St. Louis City Revised Code Chapter 25.03: MECHANICAL CODE

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St. Louis City Revised Code Chapter 25.03

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Chapter 25.03
MECHANICAL CODE

Sections:: 110.8.2 Application for license. Within three working days after permission is granted, the designated operator shall make application to the Board of Stationary Engineers for examination for the class license required for the plant. Application and examination shall be in accordance with the provisions of Section 110.6. In the case of a Class I examination the applicant shall complete the written portion of the examination within fourteen days. Both written and oral parts of the examination shall be completed so that the applicant’s qualifications for licensing shall be determined within the thirty day period of emergency operation. If the Board of Stationary Engineers determine that the applicant has failed the examination, the applicant’s permit to operate on a temporary basis shall be revoked immediately and such person shall not be eligible for reappointment as a temporary operator until the examination has been passed.

110.9 Licenses and fees. At the time of the filing of the application, each applicant for a Boiler Operator Certificate of Competency or Stationary Engineer’s License, shall pay to the Secretary of the Board of Stationary Engineers a filing fee as set forth in Table 110.9, to cover the cost of the examination given under the provisions of this section. Provided, further, that under no conditions shall said sum, or any part thereof, be refunded if the applicant fails to pass the examination or if the applicant fails to complete the written examination within the prescribed time limit as set by the Board of Stationary Engineers. All monies received by the secretary shall be paid to the City Treasurer. All applicants passing the examination for a Class I or Class II Stationary Engineer’s License shall be presented, upon the passage of such examination, with a Stationary Engineer’s License for the class for which they have been licensed. All licenses shall be issued for a period of one year from the date of issuance and shall be renewed each year. The fee for licenses renewal shall be as specified in Table 110.9.

Table 110.9

License Fees

Board of Stationary Engineers

Item	Fee	Duration	Remarks and Requirements
Stationary Engineer’s License
Examination and Application Fee
Class I	$ 15.00
Class II	$ 15.00
Renewal Fee
Class I	$ 15.00	1 year
Class II	$ 10.00	1 year
Boiler Operators Certificate of Competency			Includes initial certification issued for one year from date
Examination Fee	$ 8.00
Renewal	$ 8.00	1 year
Temporary Boiler Plant Operator			Issued for up to 30 days
Permit--per day	$100.00

110.9.1 License to be displayed. At all times when boilers, steam generators or associated equipment are in use and are operating, there shall be in charge and attendance a licensed Stationary Engineer of the class designated in Sections 110.5.1 thru 110.5.4. The license shall be displayed in some prominent place where the boilers, steam generators and associated equipment are in use and any licensed Stationary Engineer shall be negligent in the performance of their duties, should they fail to display the license or have an invalid license on display while in attendance of boilers, steam generators and associated equipment in their charge and in operation.

110.9.2 Renewal. Boiler Operator Certificates of Competency and Stationary Engineer’s Licenses shall be renewed annually by the Board of Stationary Engineers upon payment of an annual renewal fee. The Board of Stationary Engineers shall have the power to revoke such certificate or license for cause.

110.9.3 Notice of change of employment. Every Stationary Engineer or Boiler Operator regulated under the provisions of this section is required to notify the Secretary of the Board of Stationary Engineers, within forty-eight hours thereafter, when they accept or leave employment as a Stationary Engineer or Boiler Operator and to submit the name of their new employer.

110.10 Penalty. Any owner or steam user of a boiler, steam generator or associated equipment who shall neglect or refuse to employ a licensed Stationary Engineer of the class designated in Section 110.5, or who allows any unlicensed person to be in charge and attendance of boilers, steam generator or associated equipment requiring a licensed Stationary Engineer, except as provided for in section 110.8, shall, upon conviction thereof, be penalized as set forth in Section 25.03.730.

110.10.1 Penalty for violation by operators. Any licensed Class II Stationary Engineer or certified Boiler Operator who shall be in charge and attending the operation of a boiler, steam generator or associated equipment in excess of the legal size and capacity, shall. upon conviction thereof, be penalized as set forth in Section 25.03.730. In addition to such fine, the License of such Stationary Engineer or the Certificate of Competency of the Boiler Operator shall be suspended for a period not to exceed ninety days or revoked as determined by the Board of Stationary Engineers.

110.10.2 Suspension of license. The Board of Stationary Engineers shall order the suspension for not exceeding ninety days, or revocation of a Stationary Engineer License or Boiler Operator Certificate of Competency of any person regulated under the provisions of this section where the Board, after a public hearing, finds that the licensee is addicted to drugs or alcohol, or was under the undue influence of drugs or alcohol while in attendance and performing their duties as a licensed Stationary Engineer or certified Boiler Operator, or has been negligent in the performance of their duties while in attendance of the equipment for which they are licensed so as to endanger the lives and property of persons in the immediate area of such equipment; provided further that such person shall be given a ten day notice of the time and place of such hearing. Such person may be represented by counsel at such hearing before such Board. The Board of Stationary Engineers, at their discretion, may order a new examination for applicants for reinstatement of a license or certificate suspended or revoked under the provisions of this section.

The Board of Stationary Engineers shall also order the suspension for a period not to exceed thirty days, of the Stationary Engineer’s License or Boiler Operator Certificate of Competency of any person licensed under the provisions of this section, where the Board, after a public hearing, shall find that the licensee has failed to comply with the provisions of this section. Such person shall be given a ten day notice of such hearing and may be represented by counsel at such hearing.

110.11 Failure to comply. Any owner or steam user who fails to comply with the above provisions of this code shall be in violation of this code and the code official shall and is hereby directed to consider the plant unsafe and officially seal the plant out of service.

(Ord. 65926 § 1, 2003: prior: Ord. 65021 § 3 (part), 2000.)

25.03.025 Section 201.3--Amended.

Change Section 201.3 to read as follows:

201.3 Terms defined in other codes. Where terms are not defined in this code and are defined in the building code, electrical code, fire code, International Fuel Gas Code or the plumbing code, such terms shall have meanings ascribed to them as in those codes.

(Ord. 65021 § 3 (part), 2000.)

25.03.030 Section 202--Amended.

Modify Section 202 by the alteration of the following definitions:

BASE FLOOD ELEVATION. A reference point, determined in accordance with the building code, based on the depth or peak elevation of flooding, including wave height, which has a 1 percent (100-year flood) or greater chance of occurring in any given year.

BUILDING CODE. The building code adopted by the City of St. Louis.

ELECTRICAL CODE. The electrical code adopted by the City of St. Louis.

FIRE CODE. The fire code adopted by the City of St. Louis.

FLEXIBLE AIR CONNECTOR. A flexible air duct not having certain flame penetration, puncture and impact tests.

FLEXIBLE AIR DUCT. A flexible air duct tested in accordance with Underwriters Laboratory’s Standard for Factory made Duct Materials, UL-181, and installed in accordance with the conditions of its UL listing. Separate installation limitations for flexible air connectors and flexible air ducts are identified in NFPA Standard 90A.

HAZARDOUS LOCATION. Any location considered to be a fire hazard for flammable vapors, dust, combustible fibers or other highly combustible substances. The location is not necessarily categorized in the building code as a high-hazard use group classification.

PLUMBING CODE. The plumbing code adopted by the City of St. Louis.

Portable Cooking Appliance. A single non-permanent cooking appliance (not attached with screws, clamps or other fastening devices) which is electrically cord and plug connected and/or gas-fired using listed and labeled gas convenience outlets used in conjunction with listed and labeled gas appliance connectors. A portable cooking appliance shall be counter- or table-top mounted; shall be less than 2 feet (610 mm) in any dimension; and shall weigh less than 100 pounds (454 kg). The owner or operator of a portable cooking appliance shall be able to provide the Mechanical Inspection Section with manufacturer’s information documenting the above information.

Safety Valve. A valve that relieves pressure in a closed system by opening fully at the rated discharge pressure. The valve is of the spring-pop type.

Workmanlike. Executed in a skilled manner, e.g., generally plumb, level, square, in line, undamaged and without marring adjacent work.

(Ord. 65021 § 3 (part), 2000.)

25.03.035 Section 301.2--Amended.

Change Section 301.2 to read as follows:

301.2 Energy Utilization. Heating, ventilating and air-conditioning systems of all structures shall be designed and installed for efficient utilization of energy in accordance with Chapter 13 of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.040 Sections 301.7 and 301.8--Amended.

Change Sections 301.7 and 301.8 to read as follows:

301.7 Electrical. Electrical wiring, controls and connections to equipment and appliances regulated by this code shall be in accordance with the electrical code.

301.8 Plumbing connection. Potable water supply and building drainage system connections to equipment and appliances regulated by this code shall be in accordance with the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.045 Section 301.12--Amended.

Change Section 301.12 to read as follows:

301.12 Wind resistance. Mechanical equipment, appliance and support that are exposed to wind shall be designed and installed to resist the wind pressures determined in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.050 Section 301.13--Amended.

Change Section 301.13 to read as follows:

301.13 Flood hazard. For structures located in a special flood-hazard area, mechanical systems shall comply with the flood-resistant construction requirements of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.055 Section 301.15--Amended.

Change Section 301.15 to read as follows:

301.15 Rodent proofing. Buildings or structures and the walls enclosing habitable or occupiable rooms and spaces in which persons live, sleep or work, or in which feed, food or foodstuffs are stored, prepared, processed, served or sold, shall be constructed to protect against the entrance of rodents in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.060 Section 301.16--Amended.

Change Section 301.16 to read as follows:

301.16 Seismic resistance. When earthquake loads are applicable in accordance with the building code, mechanical system supports shall be designed and installed for the seismic forces in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.065 Section 301.17--Added.

Add Section 301.17 to read as follows:

301.17 Annual Inspections. All mechanical equipment shall be inspected annually by the code official. Satisfactory conditions shall be denoted by the attachment of an approval sticker to the equipment.

Exceptions:

1. Mechanical equipment in Use Group R-3,

2. Refrigeration equipment of less than 15 tons capacity

3. Kitchen exhaust equipment.

(Ord. 65021 § 3 (part), 2000.)

25.03.070 Section 302.1--Amended.

Change Section 302.1 to read as follows:

302.1 Structural safety. The building or structure shall not be weakened by the installation of mechanical systems. Where floors, walls, ceiling or any other portion of the building or structure are required to be altered or replaced in the process of installing or repairing any system, the building or structure shall be left in a safe structural condition in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.075 Section 302.2--Amended.

Change Section 302.2 to read as follows:

302.2 Penetrations of floor/ceiling assemblies and fire-resistance-rated assemblies. Penetrations of floor/ceiling assemblies and assemblies required to have a fire-resistance rating shall be protected in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.080 Section 302.5--Added.

Add Section 302.5 to read as follows:

302.5 Stud Guards. When the edge of bored holes is less than one inch (25 mm) from the edge of a stud or joist, and when notched studs or joists are covered, stud guards shall be installed to protect service lines from fastener damage.

(Ord. 65021 § 3 (part), 2000.)

25.03.085 Section 303.3--Amended.

Change Section 303.3 to read as follows:

303.3 Prohibited Locations. Fuel-fired appliances shall not be located in, or obtain combustion air from, any of the following rooms or spaces:

1. Sleeping rooms.

2. Bathrooms.

3. Toilet rooms.

4. Storage closets.

5. Surgical rooms.

Exception: This section shall not apply to the following appliances:

1. Direct-vent appliances that obtain all combustion air directly from the outdoors.

2. Solid fuel-fired appliances and fireplaces, provided that the room is not a confined space and the building is not of unusually tight construction.

3. Appliances installed in a dedicated enclosure in which all combustion air is taken directly from the outdoors, in accordance with Section 703. Access to such enclosure shall be through a solid door, weather stripped in accordance with the exterior door air leakage requirements of Chapter 13 of the building code and equipped with an approved self-closing device.

(Ord. 65021 § 3 (part), 2000.)

25.03.090 Section 303.5--Amended.

Change Section 303.5 to read as follows:

303.5 Indoor locations. Fuel fired furnaces and boilers installed in closets and alcoves shall be listed for such installation. For purposes of this section, a closet or alcove shall be defined as a room or space having a volume less than 12 times the total volume of fuel-fired appliances other than boilers and less than 16 times the total volume of boilers. Room volume shall be computed using the gross floor area and the actual ceiling height up to a maximum computation height of 8 feet (2438 mm). Closets used for the installation of fuel-fired appliances shall not be used for storage.

(Ord. 65021 § 3 (part), 2000.)

25.03.095 Section 303.7--Amended.

Change Section 303.7 to read as follows:

303.7 Pit locations. Appliances installed in pits or excavations shall not come in direct contact with the surrounding soil. The sides of the pit or excavation shall be held back a minimum of 12 inches (305 mm) from the appliance except where additional space is required for servicing or maintenance. Where the depth exceeds 12 inches (305 mm) below adjoining grade, the walls of the pit or excavation shall be lined with concrete or masonry extending a minimum of 4 inches (102 mm) above adjoining grade having sufficient lateral load bearing capacity to resist collapse. The appliance shall be protected from flooding in an approved manner.

(Ord. 65021 § 3 (part), 2000.)

25.03.100 Section 304.5--Amended.

Change Section 304.5 to read as follows:

304.5 Private garages. Appliances located in private garages shall be installed with a minimum clearance of 8 feet (2439 mm) above the finish floor.

Exception: The requirements of this section shall not apply where the appliances are protected from motor vehicle impact and installed in accordance with Section 304.3 and NFPA 88B.

(Ord. 65021 § 3 (part), 2000.)

25.03.105 Section 304.6--Amended.

Change Section 304.6 to read as follows:

304.6 Construction and Protection. Boiler rooms and furnace rooms shall be protected as required by the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.110 Section 304.9--Amended.

Change Section 304.9 to read as follows:

304.9 Guards. Guards shall be provided where appliances, equipment, fans or other components that require service are located within 10 feet (3048 mm) of a roof edge or open side of a walking surface and such edge or open side is located more than 30 inches (762 mm) above the floor, roof or grade below. The top of the guard shall be located not less than 42 inches (1067 mm) above the elevated surface adjacent to the guard. The guard shall be constructed so as to prevent the passage of a 21-inch-diameter (533 mm) sphere and shall comply with the loading requirements for guards specified in the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.115 Section 304.11--Added.

Add Section 304.11 to read as follows:

304.11 Equipment guards. Pulleys, belts, gears and similar equipment shall be protected by an approved guard.

(Ord. 65021 § 3 (part), 2000.)

25.03.120 Section 306.1.1--Amended.

Change Section 306.1.1 to read as follows:

306.1.1 Central furnaces. Central furnaces within compartments or alcoves shall have a minimum working space clearance as specified by the manufacturer but not less than 3 inches (76 mm) along the sides, back and top with a total width of the enclosing space being at least 12 inches (305 mm) wider than the furnace. Furnaces having a firebox open to the atmosphere shall have at least 6 inches (152 mm) working space along the front combustion chamber side. Combustion air openings at the rear or side of the compartment shall comply with the requirements of Chapter 7.

Exception: This section shall not apply to appliances installed in existing compartments and alcoves where the working space clearances are in accordance with the equipment or appliance manufacturer’s installation instructions.

(Ord. 65021 § 3 (part), 2000.)

25.03.125 Section 306.3--Amended.

Change Section 306.3 to read as follows:

306.3 Appliances in attics. Attics containing appliances requiring access shall be provided with an opening and unobstructed passageway large enough to allow removal of the largest appliance, but not less than 30 inches (762 mm) high and 30 inches (762 mm) wide and not more than 20 feet (6096 mm) in length when measured along the centerline of the passageway from the opening to the appliance. The passageway shall have continuous solid flooring not less than 24 inches (610 mm) wide. A continuous level service space at least 30 inches (762 mm) deep and 30 inches (762 mm) wide shall be present at the front or service side of the appliance. The clear access opening dimensions shall be a minimum of 22 inches by 30 inches (559 mm by 762 mm), where such dimensions are large enough to allow removal of the largest appliance.

Exception: The passageway and level service space are not required where the appliance is capable of being serviced and removed through the required opening.

(Ord. 65021 § 3 (part), 2000.)

25.03.130 Section 306.3.1--Amended.

Change Section 306.3.1 to read as follows:

306.3.1 Electrical requirements. A lighting fixture controlled by a switch located at the required passageway opening and a receptacle outlet shall be provided at or near the appliance location in accordance with the electrical code.

(Ord. 65021 § 3 (part), 2000.)

25.03.135 Section 306.4--Amended.

Change Section 306.4 to read as follows:

306.4 Appliances under floors. Underfloor spaces containing appliances requiring access shall be provided with an access opening and unobstructed passageway large enough to remove the largest appliance. The passageway shall not be less than 30 inches (762 mm) high and 30 inches (762 mm) wide and not more than 20 feet (6096 mm) in length when measured along the centerline of the passageway from the opening to the appliance. A level service space not less than 30 inches (762 mm) deep and 30 inches (762 mm) wide shall be present at the front or service side of the appliance. If the depth of the passageway or the service space exceeds 12 inches (305 mm) below the adjoining grade, the walls of the passageway shall be lined with concrete or masonry. Such concrete or masonry shall extend a minimum of 4 inches (102 mm) above the adjoining grade and shall have sufficient lateral-bearing capacity to resist collapse. The clear access opening dimensions shall be a minimum of 22 inches by 30 inches (559 mm by 762 mm), where such dimensions are large enough to allow removal of the largest appliance.

Exception: The passageway is not required where the level service space is present when the access is open and the appliance is capable of being serviced and removed through the required opening.

(Ord. 65021 § 3 (part), 2000.)

25.03.140 Section 306.4.1--Amended.

Change Section 306.4.1 to read as follows:

306.4.1 Electrical requirements. A lighting fixture controlled by a switch located at the required passageway opening and a receptacle outlet shall be provided at or near the appliance location in accordance with the electrical code.

(Ord. 65021 § 3 (part), 2000.)

25.03.145 Sections 306.5.1 through 306.5.3--Added.

Add Sections 306.5.1 through 306.5.3 to read as follows:

306.5.1 Outside ladders. Permanent or portable outside ladders may be provided on the inside or outside of single story buildings not over twenty feet in height. All other means of access shall be a permanent or fold-away inside stairway or ladder with railings, terminating in an enclosure, scuttle or trap door. Such scuttles or trap doors shall be at least thirty inches in the smallest dimension and shall open easily and safely under all conditions, especially snow, and shall be constructed so as to permit access from the roof side, unless deliberately locked from the inside. At least six feet clearance shall be available between the access opening and the edge of a roof or similar hazard. Otherwise rigidly fixed rails or guards at least three feet in height shall be provided on the exposed side, except that parapets at least three feet in height may be utilized in lieu of guards or rails.

306.5.2 Catwalks. For elevated structures, level catwalks not less than twenty-four inches wide shall be provided from the roof access to every required working platform at the appliance. Catwalks with slope greater than three inches to twelve inches shall be provided with substantial cleats spaced not more than sixteen inches apart. The down slope side of catwalks on pitched roofs shall be provided with minimum thirty-six inch high handrails.

306.5.3 Electrical requirements. A receptacle outlet shall be provided at or near the appliance location in accordance with the electrical code.

(Ord. 65021 § 3 (part), 2000.)

25.03.150 Section 306.6--Amended.

Change Section 306.6 to read as follows:

306.6 Roof access. Every appliance located on a roof of a building shall be installed on a level platform. Whenever the roof has a slope greater than three units measured vertically to twelve units measured horizontally, a level working platform not less than thirty inches (762 mm) in depth shall be provided on each down slope side of the appliance. All sides of any working platform shall be protected by a substantial railing thirty-six inches (914 mm) in height with vertical rails not more than twenty-one inches (533 mm) apart, except that parapets at least thirty-six inches (914 mm) in height may be utilized in lieu of rails or guards. Scuttles located on other than the roof incline side of the equipment unit shall have their lids or trap doors hinged on the low side of the scuttle. Such lids or trap doors shall be equipped with means to ensure an opening radius of not less than ninety degrees nor more than one hundred (100) degrees from the closed position. Scuttle lids or trap doors and hardware, when opened, shall be capable of withstanding a three hundred pound lateral load from the roof incline side.

(Ord. 65021 § 3 (part), 2000.)

25.03.155 Section 307.2.3--Amended.

Change Section 307.2.3 to read as follows:

307.2.3 Auxiliary and secondary drain systems. In addition to the requirements of Section 307.2.1, a secondary or auxiliary drain pan shall be required for each cooling or evaporator coil where damage to any building components will occur as a result of overflow from the equipment drain pan or stoppage in the condensate drain piping. One of the following methods shall be used:

1. An auxiliary drain pan with a separate drain shall be provided under the coils on which condensation will occur. The auxiliary pan drain shall discharge to a non-concealed point of disposal to alert occupants in the event of a stoppage of the primary drain. The pan shall have a minimum depth of 1 1/2 inches (38 mm), shall not be less than 3 inches larger than the unit or the coil dimensions in width and length and shall be constructed of corrosion-resistant material. Metallic pans shall have a minimum thickness of not less than 0.0276-inch (0.7 mm) galvanized sheet metal. Non-metallic pans shall have a minimum thickness of not less than 0.0625 inch (1.6 mm). Pans shall be supported to ensure proper drainage.

2. A separate overflow drain line shall be connected to the drain pan provided with the equipment. Such overflow drain shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain. The overflow drain line shall connect to the drain pan at a higher level than the primary drain connection.

3. An auxiliary drain pan without a separate drain line shall be provided under the coils on which condensate will occur. Such pan shall be equipped with a water-level detection device that will shut off the equipment served prior to overflow of the pan. The auxiliary drain pan shall be constructed in accordance with Item 1 of this section.

(Ord. 65021 § 3 (part), 2000.)

25.03.160 Section 307.2.4--Amended.

Change Section 307.2.4 to read as follows:

307.2.4 Traps. Primary condensate drains shall be trapped as required by the equipment or appliance manufacturer. An air gap shall be provided between the drain line and the sewer.

(Ord. 65021 § 3 (part), 2000.)

25.03.165 Section 308.8--Amended.

Change Section 308.8 to read as follows:

308.8 Masonry Chimneys. The clearance reduction methods specified in Table 308.6 shall not be utilized to reduce the clearances required for masonry chimneys as specified in Chapter 8 and the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.170 Section 308.10--Amended.

Change Section 308.10 to read as follows:

308.10 Masonry fireplaces. The clearance reduction methods specified in Table 308.6 shall not be utilized to reduce the clearances required for masonry fireplaces as specified in Chapter 8 and the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.175 Section 310.1--Amended.

Change Section 310.1 to read as follows:

310.1 Required. Structures occupied for purposes involving explosion hazards shall be provided with explosion venting where required by the fire code. Explosion venting systems shall be designed and installed in accordance with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.180 Section 311.1--Amended.

Change Section 311.1 to read as follows:

311.1 Required. Approved smoke and heat vents shall be installed in the roofs of one-story buildings where required by the fire prevention code. Smoke and heat vents shall be designed and installed in accordance with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.185 Section 312--Amended.

Change Section 312 to read as follows:

SECTION 312 MEDICAL GASES

312.1 Nonflammable medical gases. Nonflammable medical gas systems shall be designed and installed in accordance with Chapter 4 of NFPA 99 listed in Chapter 16.

312.2 Anesthetic systems. Inhalation anesthetic systems shall be designed and installed in accordance with Chapters 3 and 4 of NFPA 99 listed in Chapter 16.

312.3 Oxygen systems. Non-medical oxygen systems shall be designed and installed in accordance with NFPA 50 and NFPA 51 listed in Chapter 16.

(Ord. 65021 § 3 (part), 2000.)

25.03.190 Section 401.3--Amended.

Change Section 401.3 to read as follows:

401.3 Where required. Ventilation shall be provided during the periods that the room or space is occupied. Spaces containing fuel burning appliances shall be ventilated per Chapter 7.

(Ord. 65021 § 3 (part), 2000.)

25.03.195 Section 401.4--Amended.

Change Section 401.4 to read as follows:

401.4 Exits. Equipment and ductwork for exit enclosure ventilation shall comply with one of the following items:

1. Such equipment and ductwork shall be located exterior to the building and shall be directly connected to the exit enclosure by ductwork enclosed in construction as required by the building code for shafts.

2. Where such equipment and ductwork is located within the exit enclosure, the intake air shall be taken directly from the outdoors and the exhaust air shall be discharged directly to the outdoors, or such air shall be conveyed through ducts enclosed in construction as required by the building code for shafts.

3. Where located within the building, such equipment and ductwork shall be separated from the remainder of the building, including other mechanical equipment, with construction as required for shafts.

In each case, openings into fire-resistance-rated construction shall be limited to those needed for maintenance and operation and shall be protected by self-closing fire-resistance-rated devices in accordance with the building code for enclosure wall opening protectives.

Exit enclosure ventilation systems shall be independent of other building ventilation systems.

(Ord. 65021 § 3 (part), 2000.)

25.03.200 Section 401.5--Amended.

Change Section 401.5 to read as follows:

401.5 Opening location. Outside air exhaust and intake openings shall be located a minimum of 10 feet (3048 mm) from lot lines or buildings on the same lot. In multi-story structures the location of intake and exhaust openings shall be approved by the code official.

Exception: Use Group R-3.

(Ord. 65021 § 3 (part), 2000.)

25.03.205 Section 401.5.2--Amended.

Change Section 401.5.2 to read as follows:

401.5.2 Exhaust openings. Outside exhaust openings shall be located so as to not create a nuisance. Exhaust air shall not be directed onto walkways. Exhaust openings above driveways and alleys shall be located fourteen feet above grade measured to the bottom of the opening or equipment if the exhaust equipment protrudes beyond the wall.

(Ord. 65021 § 3 (part), 2000.)

25.03.210 Section 401.6--Amended.

Change Section 401.6 to read as follows:

401.6 Outdoor opening protection: Air exhaust and intake openings that terminate outdoors shall be protected with corrosion resistant screens, louvers or grills. Openings in louvers, grills and screens shall be sized in accordance with Table 401.6, and shall be protected against local weather conditions. Outdoor air exhaust and intake openings located in exterior walls shall meet the provisions for exterior wall opening protectives in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.215 Section 402.1--Amended.

Change Section 402.1 to read as follows:

402.1 General. Natural ventilation of an occupied space shall comply with Chapter 12 of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.220 Section 403.3--Amended.

Change Section 403.3 to read as follows:

403.3 Ventilation rate. Ventilation systems shall be designed to have the capacity to supply the minimum outdoor air flow rate determined in accordance with Table 403.3 based on the occupancy of the space and the occupant load or other parameter as stated therein. The occupant load utilized for design of the ventilation system shall not be less than the number determined from the estimated maximum occupant load indicated in Table 403.3. Ventilation rates for occupancies not represented in Table 403.3 shall be determined by an approved engineering analysis. The ventilation system shall be designed to supply the required rate of ventilation air continuously during the period the building is occupied, except as otherwise stated in other provisions of the code.

Exception: The occupant load shall not be required to be determined by Table 403.3, where alternate occupant load is determined and approved by the Fire Marshal.

(Ord. 65021 § 3 (part), 2000.)

25.03.225 Section 406.1--Amended.

Change Section 406.1 to read as follows:

406.1 General. Uninhabited spaces, such as crawl spaces and attics, shall be provided with natural ventilation openings as required by the building code or shall be provided with a mechanical exhaust and supply air system. The mechanical exhaust rate shall not be less than 0.02 cfm per square foot (0.00001 m3/s_m2) of horizontal area and shall be automatically controlled to operate when the relative humidity in the space served exceeds 60 percent.

(Ord. 65021 § 3 (part), 2000.)

25.03.230 Section 501.2.1--Added.

Add Section 501.2.1 to read as follows:

501.2.1 Energy recovery wheels. Energy recovery wheels, enthalpy wheels or regenerative heat exchangers shall not be installed on any single or combined mechanical exhaust system from bath, toilet, urinal, locker, service sink closet and similar room. Energy recovery wheels, enthalpy wheels or regenerative heat exchangers shall not be installed on any Type I or Type II exhaust system for food-processing operations.

(Ord. 65021 § 3 (part), 2000.)

25.03.235 Section 502.6.2--Amended.

Change Section 502.6.2 to read as follows:

502.6.2 Limited spraying spaces. Positive mechanical ventilation which provides a minimum of six complete air changes per hour shall be installed in limited spraying spaces. Such system shall meet the requirements of the fire code for handling flammable vapors. Explosion venting is not required.

(Ord. 65021 § 3 (part), 2000.)

25.03.240 Section 502.7.1--Amended.

Change Section 502.7.1 to read as follows:

502.7.1 Storage in excess of the maximum allowable quantities. Indoor storage areas and storage buildings for hazardous materials in amounts exceeding the maximum allowable quantity per control area shall be provided with mechanical exhaust ventilation or natural ventilation where natural ventilation can be shown to be acceptable for the materials stored.

Exception: Storage areas for flammable solids complying with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.245 Section 502.8.5--Amended.

Change Section 502.8.5 to read as follows:

502.8.5 Flammable and combustible liquids. Exhaust ventilation systems shall be provided as required by Sections 502.8.5.1 through 502.8.5.5 for the storage, use, dispensing, mixing and handling of flammable and combustible liquids. Unless otherwise specified, this section shall apply to any quantity of flammable and combustible liquids.

Exception: This section shall not apply to flammable and combustible liquids that are exempt from the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.250 Sections 502.8.5.2 and 5.02.8.5.3--Amended.

Change Sections 502.8.5.2 and 502.8.5.3 to read as follows:

502.8.5.2 Storage rooms and warehouses. Liquid storage rooms and liquid storage warehouses for quantities of liquids exceeding those specified in the fire code shall be vented in accordance with Section 502.7.1

502.8.5.3 Cleaning machines. Areas in which machines used for parts cleaning in accordance with the fire code are located shall be adequately ventilated to prevent accumulation of vapors.

(Ord. 65021 § 3 (part), 2000.)

25.03.255 Sections 502.8.8.2 and 502.8.8.3--Amended.

Change Sections 502.8.8.2 and 502.8.8.3 to read as follows:

502.8.8.2 Local exhaust for portable tanks. A means of local exhaust shall be provided to capture leakage from indoor and outdoor portable tanks. The local exhaust shall consist of portable ducts or collection systems designed to be applied to the site of a leak in a valve or fitting on the tank. The local exhaust system shall be located in a gas room. Exhaust shall be directed to a treatment system where required by the fire code.

502.8.8.3 Piping and controls - stationary tanks. Filling or dispensing connections on indoor stationary tanks shall be provided with a means of local exhaust. Such exhaust shall be designed to capture fumes and vapors. The exhaust shall be directed to a treatment system where required by the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.260 Sections 502.8.8.5 and 502.8.8.6--Amended.

Change Sections 502.8.8.5 and 502.8.8.6 to read as follows:

502.8.8.5 Treatment system. The exhaust ventilation from gas cabinets, exhausted enclosures and gas rooms, and local exhaust systems required by Sections 502.8.8.2 and 802.8.8.3 shall be directed to a treatment system where required by the fire code.

502.8.8.6 Process equipment. Effluent from indoor and outdoor process equipment containing highly toxic or toxic compressed gases which could be discharged to the atmosphere shall be processed through an exhaust scrubber or other processing system. Such systems shall be in accordance with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.265 Sections 502.9 and 502.9.1--Amended.

Change Sections 502.9 and 502.9.1 to read as follows:

502.9 Hazardous production materials (HPM). Exhaust ventilation systems and materials for ducts utilized for the exhaust of HPM shall comply with this section, other applicable provisions of this code, the building code and the fire code.

502.9.1 Where required. Exhaust ventilation systems shall be provided in the following locations in accordance with the requirements of this section and the building code:

1. Fabrication areas: Exhaust ventilation for fabrication areas shall comply with the building code. Additional manual control switches shall be provided where required by the code official.

2. Workstations: A ventilation system shall be provided to capture and exhaust fumes and vapors at workstations.

3. Liquid storage rooms: Exhaust ventilation for liquid storage rooms shall comply with Section 502.7.1.1 and the building code.

4. HPM rooms: Exhaust ventilation for HPM rooms shall comply with Section 502.7.1.1 and the building code.

5. Gas Cabinets: Exhaust ventilation for gas cabinets shall comply with Section 502.7.2. The gas cabinet ventilation system is allowed to connect to a workstation ventilation system. Exhaust ventilation for gas cabinets containing highly toxic or toxic gases shall also comply with Sections 502.8.7 and 502.8.8.

6. Exhausted enclosures: Exhaust ventilation for exhausted enclosures shall comply with Section 502.7.2. Exhaust ventilation for enclosures containing highly toxic or toxic gases shall also comply with Sections 502.8.7 and 502.8.8.

7. Gas rooms: Exhaust ventilation for gas rooms shall comply with Section 502.7.2. Exhaust ventilation for gas cabinets containing highly toxic or toxic gases shall also comply with Sections 502.8.7 and 502.8.8.

(Ord. 65021 § 3 (part), 2000.)

25.03.270 Section 502.9.3--Amended.

Change Section 502.9.3 to read as follows:

502.9.3 Treatment systems. Treatment systems for highly toxic and toxic gases shall comply with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.275 Section 502.15.2--Amended.

Change Section 502.15.2 to read as follows:

502.15.2 Operation. The mechanical ventilation system shall operate continuously.

Exceptions:

1. Mechanical ventilation systems that are interlocked with a gas detection system designed in accordance with the fire code.

2. Mechanical ventilation systems in garages that are used only for the repair of vehicles fueled by liquid fuels or odorized gases, such as CNG, where the ventilation system is electrically interlocked with the lighting circuit.

(Ord. 65021 § 3 (part), 2000.)

25.03.280 Section 504.2--Amended.

Change Section 504.2 to read as follows:

504.2 Exhaust penetrations. Ducts that exhaust clothes dryers shall not penetrate or be located within any fireblocking, draft-stopping or any wall, floor/ceiling or other assembly required by the building code to be fire-resistance rated, unless such duct is constructed of galvanized steel or aluminum of the thickness specified in Section 603.3 and the fire-resistance rating is maintained in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.285 Section 506.1--Amended.

Change Section 506.1 to read as follows:

506.1 General. Commercial kitchen grease ducts and exhaust equipment shall comply with the requirements of this section. Commercial kitchen grease ducts shall be designed for the type of cooking appliances and hood served. Commercial systems shall comply with Sections 506, 507, 508 and 509 of this code and NFPA 96 listed in Chapter 15.

(Ord. 65021 § 3 (part), 2000.)

25.03.290 Section 506.3--Amended.

Change Section 506.3 to read as follows:

506.3 Ducts serving Type I hoods. Commercial kitchen exhaust systems serving Type I hoods shall be liquid-tight, designed, constructed and installed in accordance with Sections 506.3.1 through 506.13.3 and NFPA 96.

(Ord. 65021 § 3 (part), 2000.)

25.03.295 Section 506.3.4--Amended.

Change Section 506.3.4 to read as follows:

506.3.4 Grease duct support. Grease duct bracing and supports shall be of noncombustible material securely attached to the structure and designed to carry gravity and seismic loads within the stress limitations of the building code. Bolts, screws, rivets and other mechanical fasteners shall not penetrate duct walls.

(Ord. 65021 § 3 (part), 2000.)

25.03.300 Section 506.3.11--Amended.

Change Section 506.3.11 to read as follows:

506.3.11 Duct enclosure. A grease duct serving a Type I hood that penetrates a ceiling, wall or floor shall be enclosed from the point of penetration to the outlet terminal. A duct shall only penetrate exterior walls at locations where unprotected openings are permitted by the building code. Ducts shall be enclosed in accordance with the building code requirements for shaft construction. The duct enclosure shall be sealed around the duct at the point of penetration and vented to the outside of the building through the use of weather-protected openings. The enclosure shall be separated from the duct by a minimum of 6 inches (152 mm) and a maximum of 12 inches (305 mm) and shall serve a single grease exhaust system.

Exceptions:

1. The shaft enclosure provisions of this section shall not be required where a duct penetration is protected with a through-penetration firestop system classified in accordance with ASTM E0 814 and having an "F" or "T" rating equal to the fire-resistance rating of the assembly being penetrated and where the surface of the duct is continuously covered on all sides from the point at which the duct penetrates a ceiling, wall or floor to the outlet terminal with a classified and labeled material, system, method of construction or product specifically evaluated for such purpose, in accordance with a nationally recognized standard for such enclosure materials.

2. A duct enclosure shall not be required for a grease duct that penetrates only a non-fire-resistance-rated roof/ceiling assembly.

(Ord. 65021 § 3 (part), 2000.)

25.03.305 Section 506.3.13.2--Amended.

Change Section 506.3.13.2 to read as follows:

506.3.13.2 Termination through an exterior wall. Exhaust outlets shall be permitted to terminate through exterior walls where the smoke, grease, gases, vapors, and odors in the discharge from such terminations do not create a public nuisance or a fire hazard. Such terminations shall not be located where protected openings are required by the building code. Other exterior openings shall not be located within 3 feet (914 mm) of such terminations.

(Ord. 65021 § 3 (part), 2000.)

25.03.310 Section 506.4.1--Amended.

Change Section 506.4.1 to read as follows:

506.4.1 Type II exhaust hoods. Exhaust outlets for ducts serving Type II hoods shall comply with Sections 401.5 and 401.5.2. Such outlets shall be protected against local weather conditions and shall meet the provisions for exterior wall opening projectiles in accordance with the building code

(Ord. 65021 § 3 (part), 2000.)

25.03.315 Sections 506.5 and 506.6--Added.

Add Sections 506.5 and 506.6 to read as follows:

506.5 Cleaning Schedule. A cleaning schedule shall be maintained by the owner or occupant for every commercial kitchen exhaust system. The schedule shall indicate the methods of cleaning and the time interval between cleanings.

506.6. Existing Equipment. Existing commercial kitchen exhaust equipment shall be made of copper, steel or stainless steel, shall be of liquid tight construction throughout the head and associated exhaust duct(s) shall incorporate an approved fire suppression system and shall successfully pass a capture test.

(Ord. 65021 § 3 (part), 2000.)

25.03.320 Section 507.2--Amended.

Change Section 507.2 to read as follows:

507.2 Where required. A Type I or Type II hood shall be installed at or above all commercial food heat-producing appliances. A Type II hood shall be installed above commercial dishwashing machines and pizza ovens.

Exceptions

1. Food heat-processing appliances installed within a dwelling unit.

1. Under-counter-type commercial dishwashing machines.

2. Portable cooking appliances. Any portable cooking appliance which the manufacturer recommends venting must be vented according to Sections 506 and 507.

(Ord. 65021 § 3 (part), 2000.)

25.03.325 Section 507.9.1--Added.

Add Section 507.9.1 to read as follows:

507.9.1 Flashing. Hoods located less than 12 inches (305 mm) from a ceiling or wall shall be flashed solidly with materials specified in section 507.4 or noncombustible materials having a minimum 1-hour fire-resistance rating.

(Ord. 65021 § 3 (part), 2000.)

25.03.330 Sections 507.15.1 and 507.15.2--Added.

Add Sections 507.15.1 and 507.15.2 to read as follows:

507.15.1 Pizza oven. The exhaust air requirements for a chamber type oven shall be 10 cfm/lineal foot of door opening or 500 cfm, whichever is more. For conveyor type ovens the exhaust air shall be 50 cfm times the total area of the end openings or 500 cfm, whichever is more. The hood shall effectively capture the vapors from the air.

507.15.2 Dishwashing equipment hoods. The total quantity of air (Q) to be exhausted from dishwashing equipment hoods shall be determined by the following formula:

Pantleg Hoods: Q = 150 cfm/square foot of door area each end.

Exhausted Vestibules: Q = 15 cfm/square foot of entrance and exit area. When duct takeoffs are an integral part of the unit, follow manufacturer’s recommendations for exhaust rate.

(Ord. 65021 § 3 (part), 2000.)

25.03.335 Section 508.1--Amended.

Change Section 508.1 to read as follows:

508.1 Makeup air. Makeup air shall be supplied during the operation of the commercial kitchen exhaust system that is provided for commercial food heat-processing appliances whenever the volume of air exceeds 1500 cfm. Makeup air must be all outside air equal in volume to the amount exhausted with a minimum of eighty percent supplied to the kitchen proper. The makeup air shall not reduce the effectiveness of the exhaust system. Makeup air shall be provided by gravity or mechanical means or both. For mechanical makeup air systems, the exhaust and makeup air systems shall be electrically interlocked to insure that makeup air is provided whenever the exhaust system is in operation.

Exception: This section shall not apply to dwelling units.

(Ord. 65021 § 3 (part), 2000.)

25.03.340 Section 509.1--Amended.

Change Section 509.1 to read as follows:

509.1 Where required. Commercial food heat-processing appliances required by Section 507.2.1 to have a Type I hood shall be provided with an approved automatic fire suppression system complying with the building code and the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.345 Sections 509.2 through 509.2.6.5--Added.

Add Sections 509.2 through 509.2.6.5 to read as follows:

509.2 Commercial cooking systems. The automatic fire-extinguishing system for commercial cooking systems shall be of a type recognized for protection of commercial cooking equipment and exhaust systems of the type and arrangement protected. Preengineered automatic dry- and wet-chemical extinguishing systems shall be tested in accordance with UL 300 and listed and labeled for the intended application. Other types of automatic fire-extinguishing systems shall be listed and labeled for specific use as protection for commercial cooking operations. The system shall be installed in accordance with this code, its listing and the manufacturer’s installation instructions. Automatic fire-extinguishing systems of the following types shall be installed in accordance with NFPA 96 and the referenced standard indicated, as follows:

1. Carbon dioxide extinguishing systems, NFPA 12.

2. Automatic sprinkler system, NFPA 13.

3. Foam-water sprinkler system or foam-water spray systems, NFPA 16.

4. Dry-chemical extinguishing systems, NFPA 17.

5. Wet-chemical extinguishing systems, NFPA 17A.

509.2.1 Manual system operation. A manual actuation device shall be located at or near a means of egress from the cooking area, a minimum of 10 feet (3048 mm) and a maximum of 20 feet (6096 mm) from the kitchen exhaust system. The manual actuation device shall be located a minimum of 4.5 feet (1372 mm) and a maximum of 5 feet (1524 mm) above the floor. The manual actuation shall require a maximum force of 40 pounds (178 N) and a maximum movement of 14 inches (356 mm) to actuate the fire suppression system.

Exception: Automatic sprinkler systems shall not be required to be equipped with manual actuation means.

509.2.2 System interconnection. The actuation of the fire suppression system shall automatically shut down the fuel or electrical power supply to the cooking equipment. The fuel and electrical supply reset shall be manual.

509.2.3 Carbon dioxide systems. When carbon dioxide systems are used, there shall be a nozzle at the top of the ventilating duct. Additional nozzles that are symmetrically arranged to give uniform distribution shall be installed within vertical ducts exceeding 20 feet (6096 mm) and horizontal ducts exceeding 50 feet (15,240 mm). Dampers shall be installed at either the top or the bottom of the duct and shall be arranged to operate automatically upon activation of the fire-extinguishing system. When the damper is installed at the top of the duct, the top nozzle shall be immediately below the damper. Automatic carbon dioxide fire-extinguishing systems shall be sufficiently sized to protect all hazards venting through a common duct simultaneously.

509.2.3.1 Ventilation system. Commercial-type cooking equipment protected by an automatic carbon dioxide extinguishing system shall be arranged to shut off the ventilation system upon activation.

509.2.4 Special provisions for automatic sprinkler systems. Automatic sprinkler systems protecting commercial-type cooking equipment shall be supplied from a separate, readily accessible, indicating-type control valve that is identified.

509.2.4.1 Listed sprinklers. Sprinklers used for the protection of fryers shall be listed for that application installed in accordance with their listing.

509.2.5 Commercial cooking equipment. Portable fire extinguishers shall be provided within a 30-foot (9144 mm) travel distance of commercial-type cooking equipment. Cooking equipment involving vegetable or animal oils and fats shall be protected by a Class K rated portable extinguisher.

509.2.6 Operations and maintenance. Commercial cooking systems shall be operated and maintained in accordance with this section.

509.2.6.1 Ventilation system. The ventilation system in connection with hoods shall be operated at the required rate of air movement, and classified grease filters shall be in place when equipment under a kitchen grease hood is used.

509.2.6.2 Grease extractors. When grease extractors are installed, they shall be operated when the commercial-type cooking equipment is used.

509.2.6.3 Cleaning. Hoods, grease-removal devices, fans, ducts and other appurtenances shall be cleaned at intervals necessary to prevent the accumulation of grease. Cleanings shall be recorded, and records shall state the extent, time and date of cleaning. Such records shall be maintained on the premises.

509.2.6.4 Extinguishing system service. Automatic fire-extinguishing systems shall be serviced at least every 6 months and after activation of the system. Inspection shall be by qualified individuals, and a certificate of inspection shall be forwarded to the code official upon completion.

509.2.6.5 Fusible link and sprinkler head replacement. Fusible links and automatic sprinkler heads shall be replaced at least annually, and other protection devices shall be serviced or replaced in accordance with the manufacturer’s instructions.

Exception: Frangible bulbs are not required to be replaced annually.

(Ord. 65021 § 3 (part), 2000.)

25.03.350 Sections 510.2.1 and 510.2.2--Amended.

Change Sections 510.2.1 and 510.2.2 to read as follows:

510.2.1 Lumber yards and woodworking facilities. Equipment or machinery located inside buildings at lumber yards and woodworking facilities which generates or emits combustible dust shall be provided with an approved dust-collection and exhaust system installed in conformance with this section and the fire code. Equipment and systems that are used to collect, process or convey combustible dusts shall be provided with an approved explosion-control system.

510.2.2 Combustible fibers. Equipment or machinery within a building which generates or emits combustible fibers shall be provided with an approved dust-collecting and exhaust system. Such systems shall comply with this code and the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.355 Section 510.4--Amended.

Change Section 510.4 to read as follows:

510.4 Independent system. Hazardous exhaust systems shall be independent of other types of exhaust systems. Incompatible materials, as defined in the fire code, shall not be exhausted through the same hazardous exhaust system. Hazardous exhaust systems shall not share common shafts with other duct systems, except where such systems are hazardous exhaust systems originating in the same fire area.

Contaminated air shall not be recirculated to occupied areas unless the contaminants have been removed. Air contaminated with explosive or flammable vapors, fumes or dusts; flammable or toxic gases; or radioactive material shall not be recirculated.

(Ord. 65021 § 3 (part), 2000.)

25.03.360 Sections 510.6 and 510.7--Amended.

Change Sections 510.6 and 510.7 to read as follows:

510.6 Penetrations. Penetrations of structural elements by a hazardous exhaust system shall conform to the building code.

510.7 Suppression required. Duct shall be protected with an approved automatic fire suppression system installed in accordance with the building code.

Exception: An approved automatic fire suppression system shall not be required in ducts conveying materials, fumes, mists and vapors that are nonflammable and noncombustible.

(Ord. 65021 § 3 (part), 2000.)

25.03.365 Section 511.1.5--Amended.

Change Section 511.1.5 to read as follows:

511.1.5 Explosion relief vents. A safety or explosion relief vent shall be provided on all systems that convey combustible refuse or stock of an explosive nature, in accordance with the requirements of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.370 Section 511.3--Added.

Add Section 511.3 to read as follows:

511.3 Equipment in airstream. Fans and mechanical equipment shall not be located within the airstream unless specifically approved for such installation.

(Ord. 65021 § 3 (part), 2000.)

25.03.375 Section 512.2--Amended.

Change Section 512.2 to read as follows:

512.2 Materials. Subslab soil exhaust system duct material shall be air duct material listed and labeled to the requirements of UL 181 for Class O air ducts, or any of the following piping materials that comply with the plumbing code as building sanitary drainage and vent pipe: cast iron; galvanized steel; brass or copper pipe; copper tube of a weight not less than that of copper drainage tube, Type DWV; and plastic piping.

(Ord. 65021 § 3 (part), 2000.)

25.03.380 Section 513.1--Amended.

Change Section 513.1 to read as follows:

513.1 Scope and purpose. This section applies to mechanical and passive smoke control systems that are required by the building code. The purpose of this section is to establish minimum requirements for the design, installation, and acceptance testing of smoke control systems that are intended to provide a tenable environment for the evacuation or relocation of occupants. These provisions are not intended for the preservation of contents, the timely restoration of operations, or for assistance in fire suppression or overhaul activities. Smoke control systems regulated by this section serve a different purpose that the smoke- and heat-venting provisions found in Section 923 of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.385 Section 513.2--Amended.

Change Section 513.2 to read as follows:

513.2 General design requirements. Buildings, structures, or parts thereof required by this code to have a smoke control system or systems shall have such systems designed in accordance with the applicable requirements of Section 922 of the building code and the generally accepted and well-established principles of engineering relevant to the design. The construction documents shall include sufficient information and detail to describe adequately the elements of the design necessary for the proper implementation of the smoke control systems. These documents shall be accompanied with sufficient information and analysis to demonstrate compliance with these provisions.

(Ord. 65021 § 3 (part), 2000.)

25.03.390 Section 513.3--Amended.

Change Section 513.3 to read as follows:

513.3 Special inspection and test requirements. In addition to the ordinary inspection and test requirements which buildings, structures and parts thereof are required to undergo, smoke control systems subject to the provisions of Section 922 of the building code shall undergo special inspections and tests sufficient to verify the proper commissioning of the smoke control design in its final installed condition. The design submission accompanying the construction documents shall clearly detail procedures and methods to be used and the items subject to such inspections and tests. Such commissioning shall be in accordance with generally accepted engineering practice and, where possible, based on published standards for the particular testing involved. The special inspections and tests required by this section shall be conducted under the same terms as found in Section 1707 of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.395 Section 513.4.3--Amended.

Change Section 513.4.3 to read as follows:

513.4.3 Wind effect. The design shall consider the adverse effects of wind. Such consideration shall be consistent with the wind-loading provisions of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.400 Section 513.5--Amended.

Change Section 513.5 to read as follows:

513.5 Smoke barrier construction. Smoke barriers shall comply with the building code. Smoke barriers shall be constructed and sealed to limit leakage areas exclusive of protected openings. The maximum allowable leakage area shall be the aggregate area calculated using the following leakage area ratios:

1. Walls: A / Aw = 0.00100

2. Exit enclosures: A / Aw = 0.00035

3. All other shafts: A / Aw = 0.00150

4. Floors and roofs: A / AF = 0.00050

where:

A = Total leakage area, square feet (m2).

AF = Unit floor or roof area of barrier, square feet (m2).

AW: Unit wall area of barrier, square feet (m2).

(Ord. 65021 § 3 (part), 2000.)

25.03.405 Section 513.5.2--Amended.

Change Section 513.5.2 to read as follows:

513.5.2 Opening protection. Openings in smoke barriers shall be protected by automatic-closing devices actuated by the required controls for the mechanical smoke control system. Door openings shall be protected by door assemblies complying with the requirements of the building code for doors in smoke barriers.

Exceptions:

1. Passive smoke control systems with automatic-closing devices actuated by spot-type smoke detectors listed for releasing service installed in accordance with the building code.

2. Fixed openings between smoke zones which are protected utilizing the airflow method.

3. In Group I-2 where such doors are installed across corridors, a pair of opposite-swinging doors without a center mullion shall be installed having vision panels with approved fire-rated glazing materials in approved fire-rated frames, the area of which shall not exceed that tested. The doors shall be close fitting within operational tolerances, and shall not have undercuts, louvers or grilles. The doors shall have head and jamb stops, astragals or rabbets at meeting edges and automatic-closing devices. Positive latching devices are not required.

4. Group I-3.

5. Openings between smoke zones with clear ceiling heights of 14 feet (4267 mm) or greater and bank down capacity of greater than 20 minutes as determined by the design fire size.

(Ord. 65021 § 3 (part), 2000.)

25.03.410 Section 513.5.2.1--Amended.

Change Section 513.5.2.1 to read as follows:

513.5.2.1 Ducts and air transfer openings. Ducts and air transfer openings are required to be protected with a minimum Class II 250° F (121° c) smoke damper complying with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.415 Section 513.6.2--Amended.

Change Section 513.6.2 to read as follows:

513.6.2 Maximum pressure difference. The maximum air pressure difference across a smoke barrier shall be determined by required door-opening or closing forces. The actual force required to open exit doors when the system is in the smoke control mode shall be in accordance with the building code. Opening and closing forces for other doors shall be determined by standard engineering methods for the resolution of forces and reactions. The calculated force to set a side-hinged, swinging door in motion shall be determined by:

F = Fdc + K (W A P)/(W - d) (Equation 5-2)

where:

A = Door area, square feet (m2)

d = Distance from door handle to latch edge of door, feet (m).

F = Total door opening force, pounds (N).

Fdc = Force required to overcome closing device, pounds (N).

K = Coefficient 5.2 (1.0).

W = Door width, feet (m).

P = Design pressure difference, inches (Pa) water gage.

(Ord. 65021 § 3 (part), 2000.)

25.03.420 Section 513.10.5--Amended.

Change Section 513.10.5 to read as follows:

513.10.5 Fans. In addition to other requirements, belt-driven fans shall have 1.5 times the number of belts required for the design duty with the minimum number of belts being two. Fans shall be selected for stable performance based on normal temperature and, where applicable, elevated temperature. Calculations and manufacturer’s fan curves shall be part of the documentation procedures. Fans shall be supported and restrained by noncombustible devices in accordance with the structural design requirements of the building code. Motors driving fans shall not be operating beyond their nameplate horsepower (kilowatts) as determined from measurement of actual current draw. Motors driving fans shall have a minimum service factor of 1.15.

(Ord. 65021 § 3 (part), 2000.)

25.03.425 Section 513.11--Amended.

Change Section 513.11 to read as follows:

513.11 Power systems. The smoke control system shall be supplied with two sources of power. Primary power shall be the normal building power system. Secondary power shall be from an approved standby source complying with the electrical code. The standby power source and its transfer switches shall be in a separate room from the normal power transformers and switch gear and shall be enclosed in a room of not less than 1-hour fire-resistance-rated construction, ventilated directly to and from the exterior. Power distribution from the two sources shall be by independent routes. Transfer to full standby power shall be automatic and within 60 seconds of failure of the primary power. The systems shall comply with the electrical code.

(Ord. 65021 § 3 (part), 2000.)

25.03.430 Sections 513.12 through 513.12.2--Amended.

Change Sections 513.12 through 513.12.2 to read as follows:

513.12 Detection and control systems. Fire detection systems providing control input or output signals to mechanical smoke control systems or elements thereof shall comply with the requirements of Chapter 9 of the building code and NFPA 72. Such systems shall be equipped with a control unit complying with UL 864 and listed as smoke control equipment.

Control systems for mechanical smoke control systems shall include provisions for verification. Verification shall include positive confirmation of actuation, testing, manual override, the presence of power downstream of all disconnects and, through a preprogrammed weekly test sequence report, abnormal conditions audibly, visually and by printed report.

513.12.1 Wiring. In addition to meeting the requirements of the electrical code, all wiring, regardless of voltage, shall be fully enclosed within continuous raceways.

513.12.2 Activation: The smoke control system shall be activated by actuation of the following:

1. Automatic sprinkler system.

2. Smoke detectors required by this section that comply with NFPA 72 listed in Chapter 15.

3. Manual controls provided for fire department use.

The system shall not be activated by a manual fire alarm system.

(Ord. 65021 § 3 (part), 2000.)

25.03.435 Sections 513.12.2.1 and 513.12.2.2--Added.

Add Sections 513.12.2.1 and 513.12.2.2 to read as follows:

513.12.2.1 Manual control: Manual controls shall be provided at a location approved by the fire department.

513.12.2.2 Smoke detector activation: Where the height of the ceiling of the space required to be provided with smoke control exceeds 30 feet (9144 mm) above the floor of the space, approved smoke detectors shall be provided to detect smoke above the highest floor open to an atrium or at the highest point of another space required to be provided with smoke control. The installation of smoke detectors shall comply with Section 919.0 of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.440 Sections 513.15 and 513.16--Amended.

Change Sections 513.15 and 513.16 to read as follows:

513.15 Control diagrams. Identical control diagrams showing all devices in the system and identifying their location and function shall be maintained current and kept on file with the code official, the fire department and in the fire command center in format and manner approved by the fire chief.

513.16 Fire-fighter’s smoke control panel. A fire-fighter’s smoke control panel for fire department emergency response purposes only shall be provided and shall include manual control or override of automatic control for mechanical smoke control systems. The panel shall be located in a fire command center complying with Sections 513.16.1 through 513.16.4.

(Ord. 65021 § 3 (part), 2000.)

25.03.445 Sections 513.16.1 through 513.16.4--Added.

Add Sections 513.16.1 through 513.16.4 as follows:

513.16.1 Fire command center. The fire command center should be located at or near an entrance to the building. The location and accessibility of the fire command center shall be approved by the fire department. The fire command center shall be separated from the remainder of the building by not less than a 1-hour fire-resistance-rated fire barrier. The room shall be a minimum of 96 square feet (9 m2) with a minimum dimension of 8 feet (2438 mm). A layout of the fire command center and all features required by this section to be contained therein shall be submitted for approval prior to installation. The fire command center shall comply with NFPA 72 and shall contain the following features when required by this code, the building code, or the fire code:

1. The emergency voice/alarm communication system unit.

2. The fire department communications system.

3. Fire-detection and alarm system annunciator system.

4. Annunciator visually indicating the location of the elevators and whether they are operational.

5. Status indicators and controls for air-handling systems.

6. The fire-fighter’s control panel required by Section 909.16 for smoke control systems installed in the building.

7. Controls for unlocking stairway doors simultaneously.

8. Sprinkler valve and water-flow detector display panels.

9. Emergency and standby power status indicators.

10. A telephone for fire department use with controlled access to the public telephone system.

11. Fire pump status indicators.

12. Schematic building plans indicating the typical floor plan and detailing the building core, means of egress, fire protection systems, fire-fighting equipment and fire department access.

13. Work table.

14. Generator supervision devices, manual star and transfer features.

15. Public address system, where specifically required by other sections of this code.

513.16.2 Smoke control systems. Fans within the building shall be shown on the fire-fighter’s control panel. A clear indication of the direction of airflow and the relationship of components shall be displayed. Status indicators shall be provided for all smoke control equipment, annunciated by fan and zone and by pilot-lamp-type indicators as follows:

1. Fans, dampers and other operating equipment in their normal status - WHITE.

2. Fans, dampers and other operating equipment in their off or closed status - RED.

3. Fans, dampers and other operating equipment in their on or open status - GREEN.

4. Fans, dampers and other operating equipment in a fault status - YELLOW/AMBER.

513.16.3 Smoke control panel. The fire-fighter’s control panel shall provide control capability over the complete smoke-control system equipment within the building as follows:

1. ON - AUTO - OFF control over each individual piece of operating smoke control equipment that can also be controlled from other sources within the building. This includes stairway pressurization fans; smoke exhaust fans; supply, return and exhaust fans; elevator shaft fans; and other operating equipment used or intended for smoke control purposes.

2. OPEN - AUTO - CLOSE control over individual dampers relating to smoke control and that are also controlled from other sources within the building.

3. ON - OFF or OPEN - CLOSE control over smoke control and other critical equipment associated with a fire or smoke emergency and that can only be controlled from the fire-fighter’s control panel.

Exceptions:

1. Complex systems, where approved, where the controls and indicators are combined to control and indicate all elements of a single smoke zone as a unit.

2. Complex systems, where approved, where the control is accomplished by computer interface using approved, plain English commands.

513.16.4 Control action and priorities. The fire-fighter’s control panel actions shall be as follows:

1. ON - OFF, OPEN - CLOSE control actions shall have the highest priority of any control point within the building. Once issued from the fire-fighter’s control panel, no automatic or manual control from any other control point within the building shall contradict the control action. Where automatic means are provided to interrupt normal, non-emergency equipment operation or produce a specific result to safeguard the building or equipment (i.e., duct freezestats, duct smoke detectors, high-temperature cutouts, temperature-actuated linkage and similar devices), such means shall be capable of being overridden by the firefighter’s control panel. The last control action as indicated by each fire-fighter’s control panel switch position shall prevail. In no case shall control actions require the smoke control system to assume more than one configuration at any one time.

Exception: Power disconnects required by the electrical code.

2. Only the AUTO position of each three-position fire-fighter’s control panel switch shall allow automatic or manual control action from other control points within the building. The AUTO position shall be the NORMAL, non-emergency, building control position. Where a fire-fighter’s control panel is in the AUTO position, the actual status of the device (on, off, open, closed) shall continue to be indicated by the status indicator described above. When directed by an automatic signal to assume an emergency condition, the NORMAL position shall become the emergency condition for that device or group of devices within the zone. In no case shall control actions require the smoke control system to assume more than one configuration at any one time.

(Ord. 65021 § 3 (part), 2000.)

25.03.450 Sections 513.17 and 513.18--Amended.

Change Sections 513.17 and 513.18 to read as follows:

513.17 System response time. Smoke-control system activation shall be initiated immediately after receipt of an appropriate automatic or manual activation command. Smoke control systems shall activate individual components (such as dampers and fans) in the sequence necessary to prevent physical damage to the fans, dampers, ducts and other equipment. For purposes of smoke control, the fire-fighter’s control panel response time shall be the same for automatic or manual smoke control action initiated from any other building control point. The total response time, including that necessary for detection, shut down or operating equipment and smoke control system startup, shall allow for full operation mode to be achieved before the conditions in the space exceed the design smoke condition. In all cases this shall be two minutes or less. The system response time for each component and their sequential relationships shall be detailed in the required rational analysis and verification of their installed condition reported in the required final report.

513.18 Acceptance testing. Devices, equipment, components and sequences shall be individually tested. These tests, in addition to those required by other provisions of this code, shall consist of determination of function, sequence and, where applicable, capacity of their installed condition.

(Ord. 65021 § 3 (part), 2000.)

25.03.455 Sections 513.18.1 through 513.18.10--Added.

Add Sections 513.18.1 through 513.18.10 as follows:

513.18.1 System operation report. Prior to acceptance testing, a report of the required system operation shall be provided to and approved by the code official. The following items shall be included in the report if part of the required system:

1. Identify type(s) of smoke control activation signal(s) such as sprinkler waterflow, smoke detection, manual, etc., and associated smoke control system operation(s) that are activated by the signals.

2. Identify building area(s) where maximum mechanical exhaust to the outside is implemented and supply air is not provided.

3. Identify building area(s) where maximum air supply is implemented and exhaust to the outside is not provided.

4. Identify fan(s) which shall be "On" as required to implement the smoke control system. If multiple-speed fans are used, the capacity at which the fans shall operate in the smoke control mode shall be identified.

5. Identify fan(s) which shall be "Off" as required to implement the smoke control system.

6. Identify damper(s) which shall be "Open" to implement the smoke control system.

7. Identify damper(s) which shall be "Closed" to implement the smoke control system.

8. Identify other functions are required to implement the smoke control system.

9. Identify building areas with smoke and heat vents and method of operation of vents.

10. If required, identify the type(s) of standby power and the equipment that is served.

513.18.2 Detection devices. Smoke or fire detectors that are a part of a smoke control system shall be tested in accordance with Chapter 9 of the fire code in their installed condition. When applicable, this testing shall include verification of airflow in both minimum and maximum conditions.

513.18.3 Ducts. Ducts that are part of a smoke control system shall be traversed using generally accepted practices to determine actual air quantities.

513.18.4 Dampers. Dampers shall be tested for function in their installed condition.

513.18.5 Inlets and outlets. Inlets and outlets shall be read using generally accepted practices to determine air quantities.

513.18.6 Fans. Fan shall be examined for correct rotation. Measurements of voltage, amperage, revolutions per minute and belt tension shall be made.

513.18.7 Smoke barriers. Measurements using inclined manometers or other approved calibrated measuring devices shall be made of the pressure differences across smoke barriers. Such measurements shall be conducted for each possible smoke control condition.

513.18.8 Controls. Each smoke zone, equipped with an automatic-initiation device, shall be put into operation by the actuation of one such device. Each additional device within the zone shall be verified to cause the same sequence without requiring the operation of fan motors in order to prevent damage. Control sequences shall be verified throughout the system, including verification of override from the fire-fighter’s control panel and simulation of standby power conditions.

513.18.9 Special inspections for smoke control. Smoke control systems shall be tested by a special inspector.

513.18.9.1 Scope of testing. Special inspections shall be conducted in accordance with the following:

1. During erection of ductwork and prior to concealment for the purposes of leakage testing and recording of device location.

2. Prior to occupancy and after sufficient completion for the purposes of pressure-difference testing, flow measurement, and detection and control verification.

513.18.9.2 Qualifications. Special inspection agencies for smoke control shall have expertise in fire protection engineering, mechanical engineering and certification as air balancers.

513.18.9.3 Reports. A complete report of testing shall be prepared by the special inspector or special inspection agency. The report shall include identification of all devices by manufacturer nameplate data, design values, measured values and identification tag or mark. The report shall be reviewed by the responsible registered design professional and, when satisfied that the design intent has been achieved, the responsible registered design professional shall seal, sign and date the report.

513.18.9.3.1 Report filing. A copy of the final report shall be filed with the code official and an identical copy shall be maintained in an approved location at the building.

513.18.10 Identification and documentation. Charts, drawings and other documents identifying and locating each component of the smoke control system, and describing their proper function and maintenance requirements shall be maintained on file at the building as an attachment to the report required by Section 909.18.9.3. Devices shall have an approved identifying tag or mark on them consistent with the other required documentation and shall be dated indicating the last time they were successfully tested and by whom.

(Ord. 65021 § 3 (part), 2000.)

25.03.460 Sections 513.19 and 513.20--Amended.

Change Sections 513.19 and 513.20 to read as follows:

513.19 System acceptance. Buildings, or portions thereof, required by this code to comply with this section shall not be issued a certificate of occupancy until such time that the code official determines that the provisions of this section have been fully complied with, and that the fire department has received satisfactory instruction on the operation, both automatic and manual, of the system.

Exception: In buildings of phased construction, a temporary certificate of occupancy, as approved by the code official, shall be permitted provided that those portions of the building to be occupied meet the requirements of this section and that the remainder does not pose a significant hazard to the safety of the proposed occupants or adjacent buildings.

513.20 Underground building smoke exhaust system. Where required by the building code for underground buildings, a smoke exhaust system shall be provided in accordance with this section.

(Ord. 65021 § 3 (part), 2000.)

25.03.465 Sections 513.20.2 and 513.20.3--Amended.

Change Sections 513.20.2 and 513.20.3 to read as follows:

513.20.2 Operation. The smoke exhaust system shall be operated in the compartment of origin by the following, independently of each other:

1. Two cross-zoned smoke detectors within a single protected area or a single smoke detector monitored by an alarm verification zone or an approved equivalent method.

2. The automatic sprinkler system.

3. Manual controls that are readily accessible to the fire department.

513.20.3 Alarm required. Activation of the smoke exhaust system shall activate an audible alarm at a constantly attended location in accordance with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.470 Section 601.2--Amended.

Change Section 601.2 to read as follows:

601.2 Air movement in egress elements. Exits and exit access corridors shall not serve as supply, return, exhaust, relief or ventilation air ducts or plenums except as permitted by the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.475 Sections 602.2.1 through 602.2.1.1--Amended.

Change Sections 602.2.1 through 602.2.1.1 to read as follows:

602.2.1 Materials exposed within plenums. Except as required by Sections 602.2.1.1 through 602.2.1.5, materials exposed within plenums shall be noncombustible or shall have a flame spread index of not more than 25 and a smoke-developed index of not more than 50 when tested in accordance with ASTM E 84.

Exceptions:

1. Rigid and flexible ducts and connectors shall conform to Section 603.

2. Duct coverings, linings, tape and connectors shall conform to Sections 603 and 604.

3. This section shall not apply to materials exposed within plenums in one- and two-family dwellings.

4. This section shall not apply to smoke detectors.

602.2.1.1 Wiring. Combustible electrical or electronic wiring methods and materials, optical fiber cable, and optical fiber raceway exposed within a plenum shall have a peak optical density not greater than 0.50, an average optical density not greater than 0.15, and a flame spread not greater than 5 feet (1524 mm) when tested in accordance with UL 910. Only type OFNP (plenum-rated non-conductive optical fiber cable) shall be installed in plenum-rated optical fiber raceways. Wiring, cable, and raceways addressed in this section shall be listed and labeled as plenum-rated and shall be installed in accordance with the electrical code.

(Ord. 65021 § 3 (part), 2000.)

25.03.480 Section 602.2.1.5--Amended.

Change Section 602.2.1.5 to read as follows:

602.2.1.5 Pipe. Pipe shall be noncombustible or insulated if combustible. All insulation shall have a flame spread of 25 or less and a smoke-developed rating of 50 or less when tested in accordance with ASTM E 84 listed in Chapter 15. Piping and insulation shall bear the label of an approved agency.

(Ord. 65021 § 3 (part), 2000.)

25.03.485 Section 602.3--Amended.

Change Section 602.3 to read as follows:

602.3 Stud cavity and joist space plenums. Stud wall cavities and the spaces between solid wall floor joists to be utilized as air plenums shall comply with the following conditions:

1. Such cavities shall not be utilized as a plenum for supply air.

2. Such cavities or spaces shall not be part of a required fire-resistance-rated assembly.

3. Stud wall cavities shall not convey air from more than one floor level.

4. Stud wall cavities and joist space plenums shall comply with the floor penetration requirements of the building code.

5. Stud wall cavities and joist space plenums shall be isolated from adjacent concealed spaces by approved fire-blocking as required in the building code.

6. Panning of the joist space for return air is permitted in one and two-family dwellings only.

(Ord. 65021 § 3 (part), 2000.)

25.03.490 Section 603.1--Amended.

Change Section 603.1 to read as follows:

603.1 General. An air distribution system shall be designed and installed to supply the required distribution of air. The installation of an air distribution system shall not affect the fire protection requirements specified in the building code. Ducts shall be constructed, braced, reinforced and installed to provide structural strength and durability.

(Ord. 65021 § 3 (part), 2000.)

25.03.495 Sections 603.8 and 603.9--Amended.

Change Sections 603.8 and 603.9 to read as follows:

603.8 Joints, seams and connections. All joints, longitudinal and transverse seams and connections shall be securely fastened and sealed with welds, gaskets, mastics (adhesives), mastic-plus-embedded- fabric systems or tapes. Tapes and mastics used with rigid fibrous glass ducts shall be listed and labeled in accordance with UL 181A. Tapes and mastics used with flexible air ducts and air connectors shall be listed and labeled in accordance with UL 181B. Duct connections to sheet metal fittings or flanges of air distribution system equipment and appliances shall be mechanically fastened.

603.9 Supports. Ducts shall be supported with approved hangers at intervals not exceeding 10 feet (3048 mm) or by other approved duct support systems designed in accordance with the building code. Flexible and other factory-made ducts shall be supported in accordance with the manufacturer’s installation instructions.

(Ord. 65021 § 3 (part), 2000.)

25.03.500 Section 603.16--Added.

Add Section 603.16 as follows:

603.16 Visual duct openings. Duct openings in bathrooms, toilet rooms and changing rooms shall prevent visual observation from adjoining rooms.

(Ord. 65021 § 3 (part), 2000.)

25.03.505 Section 604.4--Amended.

Change Section 604.4 to read as follows:

604.4 Foam plastic insulation. Foam plastic shall conform to the requirements of Section 604 of this code and Section 723.0 of the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.510 Section 606.2.1--Amended.

Change Section 606.2.1 to read as follows:

606.2.1 Return air systems. Smoke detectors shall be installed in return air systems with a design capacity greater than 2,000 cfm (0.9 m3 /s), in the return air duct or plenum upstream of any filters, exhaust air connections, outdoor air connections, or decontamination equipment and appliances.

Exception: Smoke detectors are not required in the return air systems where the space served by the air distribution system is protected by a system of area smoke detectors in accordance with the building code. The area smoke detector system shall comply with section 606.4.

(Ord. 65021 § 3 (part), 2000.)

25.03.515 Sections 607.5.1 through 607.5.4.1--Amended.

Change Sections 607.5.1 through 607.5.4.1 to read as follows:

607.5.1 Fire walls. Ducts and transfer openings shall not penetrate fire walls.

Exception: Penetrations of fire walls by ducts and air transfer openings shall not be prohibited provided that the fire walls are not on a lot line and such penetrations comply with Sections 711 and 715 of the building code. The duct penetrations and air transfer openings shall be protected by approved fire dampers installed in accordance with this section and their listing.

607.5.2 Fire barriers. Duct penetrations and air transfer openings in the fire barriers shall be protected with approved fire dampers installed in accordance with their listing.

Exceptions: Fire dampers are not required at penetrations of fire barriers where:

1. Steel exhaust air subducts extend not less than 22 inches (559 mm) vertically in an exhaust shaft providing there is a continuous airflow upward to the outdoors.

2. Penetrations are tested in accordance with ASTM E119 as part of the rated assembly.

3. Ducts are used as part of an approved smoke control system in accordance with Section 513.

4. Such walls are penetrated by ducted HVAC systems, have a required fire-resistance rating of 1 hour or less, are in areas of other than Group H and are in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 of the building code.

5. The penetrations are in parking garage exhaust or supply shafts that are separated from all other building shafts by not less than a 2-hour fire-resistance-rated construction.

607.5.3 Fire Partitions. Duct penetrations in fire partitions shall be protected with approved fire dampers installed in accordance with their listing.

Exceptions: In occupancies other than Group H, fire dampers are not required where:

1. The partitions are tenant separation and corridor walls in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 of the building code.

2. The duct system is constructed of approved materials in accordance with this code and the duct penetrating the wall meets all of the following minimum requirements:

2.1. The duct shall not exceed 100 square inches (0.06 m2).

2.2. The duct shall be constructed of steel a minimum of 0.0217 inch (0.55 mm).

2.3. The duct shall not have openings that communicate the corridor with adjacent spaces or rooms.

2.4. The duct shall be installed above a ceiling.

2.5. The duct shall not terminate at a wall register in the fire-resistance-rated wall.

607.5.4 Smoke barriers. A listed smoke damper designed to resist the passage of smoke shall be provided at each point a duct or air transfer opening penetrates a smoke barrier wall or a corridor wall required to have smoke and draft control doors in accordance with the building code.

Exceptions:

1. Smoke dampers are not required where the building is equipped throughout with an approved smoke control system in accordance with Section 513 and smoke dampers are not necessary for the operation and control of the system.

2. Smoke dampers are not required where the openings in ducts are limited to a single smoke compartment and the ducts are constructed of steel.

3. Smoke dampers are not required in corridor penetrations where the duct is constructed of steel not less than 0.019 inch (0.48 mm) in thickness and there are no openings serving the corridor.

607.5.4.1 Smoke damper. The smoke damper shall close upon actuation of a listed smoke detector or detectors installed in accordance with the building code and one of the following methods, as applicable:

1. Where a damper is installed within a duct, a smoke detector shall be installed in the duct within 5 feet (1524 mm) of the damper with no air outlets or inlets between the detector and the damper. The detector shall be listed for the air velocity, temperature and humidity anticipated at the point where it is installed.

2. Where a damper is installed above smoke barrier doors in a smoke barrier, a spot-type detector listed for releasing service shall be installed on either side of the smoke barrier door opening.

3. Where a damper is installed within an unducted opening in a wall, a spot-type detector listed for releasing service shall be installed within 5 feet (1524 mm) horizontally of the damper.

4. Where a damper is installed in a corridor wall, the damper shall be permitted to be controlled by a smoke detection system installed in the corridor.

5. Where a total-coverage smoke detector system is provided within all areas served by an HVAC System, dampers shall be permitted to be controlled by the smoke detection system.

(Ord. 65021 § 3 (part), 2000.)

25.03.520 Section 607.6--Amended.

Change Section 607.6 to read as follows:

607.6 Horizontal assemblies. Penetrations by air ducts of a floor, floor/ceiling assembly or the ceiling membrane of a roof/ceiling assembly shall be protected by a shaft enclosure that complies with the building code or shall comply with this section.

(Ord. 65021 § 3 (part), 2000.)

25.03.525 Section 630.1--Added.

Add Section 630.1 to read as follows:

630.1 Standards. Boilers shall be listed in accordance with the requirements of ANSI Z21.13 or UL 795. The boiler shall be designed and constructed in accordance with the requirements of ASME CSD-1 and, as applicable, the ASME Boiler and Pressure Vessel Code, sections I, II, IV and IX, NFPA 8501, NFPA 8502 and NFPA 8504.

(Ord. 65021 § 3 (part), 2000.)

25.03.530 Sections 701.4.1 and 701.4.2--Amended.

Change Sections 701.4.1 and 701.4.2 to read as follows:

701.4.1 Crawl space. Where lower-combustion air openings connect with crawl spaces, such spaces shall have unobstructed openings to the outdoors at least twice that required for the combustion air openings. The height of the crawl space shall comply with the requirements of the building code and shall be without obstruction to the free flow of air.

701.4.2 Attic space. Where combustion air is obtained from an attic area, the attic ventilating openings shall not be subject to ice or snow blockage, and the attic shall have not less than 30 inches (762 mm) vertical clear height at its maximum point. Attic ventilation openings shall be sufficient to provide the required volume of combustion air and the attic ventilation required by the building code. The combustion air openings shall be provided with a sleeve of not less than 0.019-inch (0.5 mm) (No. 26 gage) galvanized steel or other approved material extending from the appliance enclosure to at least 6 inches (152 mm) above the top of the ceiling joists and insulation.

(Ord. 65021 § 3 (part), 2000.)

25.03.535 Section 801.3--Amended.

Change Section 801.3 to read as follows:

801.3 Masonry chimneys. Masonry chimneys shall be constructed in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.540 Section 801.16.1--Amended.

Change Section 801.16.1 to read as follows:

801.16.1 Residential and low-heat appliances (general). Flue lining systems for use with residential-type and low-heat appliances shall be limited to the following:

1. Clay flue lining complying with the requirements of ASTM C 315 or equivalent. Clay flue lining shall be installed in accordance with the building code.

2. Listed chimney lining systems complying with UL 1777.

3. Other approved materials that will resist, without cracking, softening or corrosion, flue gases and condensate at temperatures up to 1,800° F (982° c).

(Ord. 65021 § 3 (part), 2000.)

25.03.545 Section 801.18.4--Amended.

Change Section 801.18.4 to read as follows:

801.18.4 Clearances. Chimneys and vents shall have air space clearance to combustibles in accordance with the building code and the chimney or vent manufacturer’s installation instructions.

Exception: Masonry chimneys equipped with a chimney lining system tested and listed for installation in chimneys in contact with combustibles in accordance with UL 1777, and installed in accordance with the manufacturer’s instructions, shall not be required to have clearance between combustible materials and exterior surfaces of the masonry chimney. Noncombustible fire-blocking shall be provided in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.550 Section 804.3.3--Amended.

Change Section 804.3.3 to read as follows:

804.3.3 Termination. The termination of chimneys or vents equipped with power exhausters shall be in accordance with the approved specifications of the manufacturer of the appliance except that they shall not exhaust over public ways or walkways. The exhaust shall be directed away from the building.

(Ord. 65021 § 3 (part), 2000.)

25.03.555 Section 804.3.8--Amended.

Change Section 804.3.8 to read as follows:

804.3.8 Connections to exhauster. All appliance connections to a chimney or vent equipped with a power exhauster shall be made on the inlet side of the exhauster unless the exhauster is an integral part of the appliance. All joints on the positive pressure side of the exhauster shall be sealed to prevent flue gas leakage.

(Ord. 65021 § 3 (part), 2000.)

25.03.560 Section 902.1--Amended.

Change Section 902.1 to read as follows:

902.1 General. Masonry fireplaces shall be constructed in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.565 Sections 908.3 through 908.5--Amended.

Change Sections 908.3 through 908.5 to read as follows:

908.3 Location. Cooling towers, evaporative condensers and fluid coolers shall be located to prevent the discharge vapor plumes from entering occupied spaces. Plume discharges shall be not less than 5 feet (1524 mm) above or 20 feet (6096 mm) away from any ventilation inlet to a building. Location on the property shall be required in accordance with the building code.

908.4 Support and anchorage. Supports for cooling towers, evaporative condensers and fluid coolers shall be designed in accordance with the building code. Seismic restraints shall be as required by the building code.

908.5 Water supply. Water supplies and protection shall be as required by the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.570 Section 908.7--Amended.

Change Section 908.7 to read as follows:

908.7 Refrigerants and hazardous fluids. Heat exchange equipment that contains a refrigerant and that is part of a closed refrigeration system shall comply with Chapter 11. Heat exchange equipment containing heat transfer fluids which are flammable, combustible or hazardous shall comply with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.575 Section 910.3--Amended.

Change Section 910.3 to read as follows:

910.3 Bracing. The floor around the furnace shall be braced and headed with a support framework design in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.580 Section 1001--Amended.

Change Section 1001 to read as follows:

SECTION 1001 GENERAL

1001.1 Scope. In addition to the other provisions of this code, this chapter shall govern the installation, alteration, and repair of water heaters, boilers and pressure vessels. The provisions of the ASME Code for Boilers and Pressure Vessels as listed in Chapter 15 shall apply.

Exceptions:

1. Pressure vessels used for unheated water supply.

2. Portable pressure vessels and Interstate Commerce Commission containers.

3. Containers for liquefied petroleum gases, bulk oxygen and medical gas.

4. Pressure vessels having a volume of 5 cubic feet (0.14 m3) or less operating at pressures not exceeding 250 psi (1724 kPa) and located within occupancies of Use Groups B, F, H, M, R, S and U.

5. Pressure vessels used in refrigeration systems that are regulated by Chapter 11 of this code.

6. Pressure tanks used in connection with coaxial cables, telephone cables, power cables and other similar humidity control systems.

7. Any boiler or pressure vessel subjected to inspection by federal or state inspectors.

1001.2 Periodic inspections. All boilers, steam generators and pressure vessels subject to the provisions of this code shall be inspected annually by the code official or representative. The inspection shall be as thorough as circumstances permit.

Exception: Heating boilers or pressure vessels which are located in buildings of Use Group R-3 or Use Group R-2 having six dwelling units or less.

1001.3 Certificate of inspection. A boiler, steam generator or pressure vessel subject to the provisions of this code shall not be placed in operation until a sticker denoting inspection and approval has been applied to the vessel.

1001.4 Major repairs. Welded repairs to boilers, steam generators and pressure vessels subject to the provisions of this code shall be performed only by those organizations which possess the appropriate ASME Certificate of Authority with extension to field work or an "R" Certificate of Authority issued by the National Board of Boiler and Pressure Vessel Inspectors. A permit shall be required for such work. The fee shall be the same as the fee for installation of the vessel as set forth in Table 106.5.2. A hydrostatic test shall be performed on the vessel before it is returned to service.

1001.5 Condemnation. Any boiler or pressure vessel which, in the opinion of the code official, constitutes a hazard shall be deemed unsafe and sealed out of service.

(Ord. 65021 § 3 (part), 2000.)

25.03.585 Sections 1002.1 through 1002.3--Amended.

Change Sections 1002.1 through 1002.3 to read as follows:

1002.1 General. Potable water heaters and hot water storage tanks shall be listed and labeled and installed in accordance with the manufacturer’s installation instructions, the plumbing code and this code. All water heaters shall be capable of being removed without first removing a permanent portion of the building structure. The potable water connections and relief valves for all water heaters shall conform to the requirements of the plumbing code. Domestic electric water heaters shall comply with UL 174 or UL 1453. Commercial electric water heaters shall comply with UL 1453. Oil-fired water heaters shall comply with UL 732.

1002.2 Water heaters utilized for space heating. Water heaters utilized both to supply potable hot water and provide hot water for space-heating applications shall be listed and labeled for such applications by the manufacturer and shall be installed in accordance with the manufacturer’s installation instructions and the plumbing code.

1002.3 Supplemental water-heating devices. Potable water-heating devices that utilize refrigerant-to-water heat exchangers shall be approved and installed in accordance with the plumbing code and the manufacturer’s installation instructions.

(Ord. 65021 § 3 (part), 2000.)

25.03.590 Section 1004.6--Amended.

Change Section 1004.6 to read as follows:

1004.6 Boiler rooms and enclosures. Boiler rooms and enclosures and access thereto shall comply with the building code and Chapter 3 of this code. Boiler rooms shall be equipped with a floor drain or other approved means for disposing of liquid waste. In addition, except for one- and two-family dwellings or when the boiler is entirely within a dwelling unit, all other boilers or combination boilers shall be installed in a room protected by an enclosure designed to prevent unauthorized entry. Storage or living quarters shall not be permitted in any boiler or similar heating equipment room.

(Ord. 65021 § 3 (part), 2000.)

25.03.595 Sections 1005.1 and 1005.2--Amended.

Change Sections 1005.1 and 1005.2 to read as follows:

1005.1 Valves. Every boiler or modular boiler shall have shutoff valve in the supply and return piping. For multiple boiler or multiple modular boiler installations, every boiler or modular boiler shall have individual shutoff valves in the supply and return piping.

1005.2 Potable water supply. The water supply to all boilers shall be connected in accordance with the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.600 Section 1006.1--Amended.

Change Section 1006.1 to read as follows:

1006.1 Safety valves for steam boilers. All steam boilers shall be protected by safety valves as required by the ASME Code for Boiler and Pressure Vessels listed in Chapter 15.

(Ord. 65021 § 3 (part), 2000.)

25.03.605 Section 1006.6--Amended.

Change Section 1006.6 to read as follows:

1006.6 Safety and relief valve discharge. Safety and relief valve discharge pipes shall be of rigid pipe that is approved for the temperature of the system. The discharge pipe shall be the same diameter as the safety or relief valve outlet. Safety and relief valves shall not discharge so as to be a hazard, a potential cause of damage or otherwise a nuisance. High-pressure-steam safety valves shall be vented to the outside of the structure. Where a low-pressure safety valve or a relief valve discharges to the drainage system, the installation shall conform to the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.610 Section 1008.1 and 1008.2--Amended.

Change Sections 1008.1 and 1008.2 to read as follows:

1008.1 General. Every steam boiler shall be equipped with one gate valve and one quick-opening blow-off valve in series in each blow-down line. The valves shall be installed in the opening provided on the boiler. The minimum size of the valve shall be the size specified by the boiler manufacturer or the size of the boiler blow-off-valve opening.

1008.2 Discharge. Blow-off valves shall discharge to a safe place of disposal. Where discharging to the drainage system, the installation shall conform to the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.615 Section 1009.3--Amended.

Change Section 1009.3 to read as follows:

1009.3 Open-type expansion tanks. Open-type expansion tanks shall be located a minimum of 4 feet (1219 mm) above the highest heating element. The tank shall be adequately sized for the hot water system. An overflow with a minimum diameter of 1 inch (25.4 mm) shall be installed at the top of the tank. The overflow shall discharge to the drainage system in accordance with the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.620 Section 1011.1.1--Added.

Add Section 1011.1.1 to read as follows:

1011.1.1 Test of existing vessels. The pressure for vessels previously in service shall be as specified in the National Board Inspection Code listed in Chapter 15.

(Ord. 65021 § 3 (part), 2000.)

25.03.625 Section 1012--Added.

Add Section 1012 to read as follows:

SECTION 1012 BLOWOFF TANKS

1012.1 General. Blowoff tanks shall be designed and fabricated in accordance with Section VIII of the ASME Boiler Code as listed in Chapter 15 and shall be so stamped.

1012.1.1 Boilers less than 100 psi. For boilers carrying one hundred psi steam pressure or less, the heads and shell shall be constructed of not less than one-fourth inch steel or equivalent strength material.

1012.1.2 Boilers greater than 100 psi. For boilers carrying in excess of one hundred psi pressure, tanks shall be fabricated of materials designed for the pressures carried.

1012.2 Size. The size of the tank shall be indicated by the blow down requirements, and the tank installed shall be large enough to blow down one gauge glass of water from one boiler or from any one of a battery of boilers interconnected. The size of the tank shall be of sufficient capacity so the blow down water from the boiler will only fill one-half the capacity of the tank, and the remaining volume of the tank will be available for the vapor displacement.

1012.3 Discharge. The discharge from the boiler or boilers shall enter the tank above the high water level or surface of the water in such tank. A baffle plate shall be installed in the tank in line with the inlet pipe from the boiler and shall be at least twelve inches from the discharge opening from the boiler into the tank. The outlet opening or discharge from the tank shall be at least two times the area of the inlet pipe, and such outlet pipe shall have an internal pipe built into the tank, extending downward to within four inches of the bottom of the tank. The discharge pipe shall be connected to a sewer through a running trap or to an approved leaching well.

1012.4 Venting.

1012.4.1 Vent pipe size. All blow-off tanks shall be properly vented to the outside atmosphere. Such vent pipes shall be at least four times the area of the inlet pipe from the boiler, and such pipe shall not be less than two inch iron pipe size.

1012.4.2 Pipe discharge. The vent pipe shall be run as directly as possible to the outside atmosphere and in a suitable location so that any steam or water discharged by the blow down of the boiler would not be dangerous or injurious to life.

1012.4.3 Vent obstructions. The vent shall be free of any pockets or sags that might collect or hold water or cause an obstruction of the pipe and pressure buildup in the tank. The end of the vent pipe shall be protected from the possibility of any obstruction.

1012.5 Manhole. Each blow down tank shall be provided with a suitable manhole for the inspection and cleaning of the tank.

(Ord. 65021 § 3 (part), 2000.)

25.03.630 Section 1013--Added.

Add Section 1013 to read as follows:

SECTION 1013 RETURN CONDENSATE

1013.1 Maximum temperature. The return condensate from a building heated by a central steam supply shall be permitted to be discharged either into a condensate return system or wasted into a sewer drain connection or approved leaching well. This condensate when discharging into a sanitary sewer system shall not be in excess of one hundred forty degrees Fahrenheit (140° F) and shall discharge into an open floor drain or a special drain connection or approved receptor. If the floor drain or drain connection to the sewer is above the level of the return piping so that it cannot flow by gravity, an automatic sump pump shall be installed to pump the condensate from the sump to the sewer drain.

(Ord. 65021 § 3 (part), 2000.)

25.03.635 Section 1014--Added.

Add Section 1014 to read as follows:

SECTION 1014 FIELD ASSEMBLY

1014.1 Welding. Any welding required during assembly shall be performed by welders employed and qualified by companies in possession of the appropriate ASME Certificate of Authorization.

(Ord. 65021 § 3 (part), 2000.)

25.03.640 Section 1101.4--Amended.

Change Section 1101.4 to read as follows:

1101.4 Water connection. Water supply and discharge connections associated with refrigeration systems shall be made in accordance with this code and the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.645 Section 1101.9--Amended.

Change Section 1101.9 to read as follows:

1101.9 Refrigerant discharge. Fire department shall be notified immediately upon the automatic or manual discharge of refrigerant from systems having a refrigerant circuit contain more than 220 pounds (100 kg) of group A1 or 30 pounds (14 kg) of any other group refrigerant. Refrigerant shall not be discharged except in an emergency.

Exception: Notification is not required for any of the following conditions:

1. Refrigeration systems operating at pressures below atmospheric and incorporating automatic purge systems.

2. Incidental operation of automatic pressure relief valves resulting in minor release of the refrigerant charge.

3. Incidental minor releases associated with service operations after system pump-down has been accomplished.

(Ord. 65021 § 3 (part), 2000.)

25.03.650 Section 1105.1--Amended.

Change Section 1105.1 to read as follows:

1105.1 Design and construction. Machinery rooms shall be designed and constructed in accordance with the building code and this section.

(Ord. 65021 § 3 (part), 2000.)

25.03.655 Section 1105.3--Amended.

Change Section 1105.3 to read as follows:

1105.3 Refrigerant detector. Machinery rooms shall contain a refrigerant detector with an audible and visual alarm. The detector, or sampling tube that draws air to the detector, shall be located in an area where the refrigerant from a leak will concentrate. The alarm shall be actuated at a value not greater than the corresponding TLV-TWA values shown in Table 1103.1 for the refrigerant classification. Detectors and alarms shall be placed in approved locations.

Exception: Detectors are not required for ammonia systems where the machinery room complies with section 1106.3.

(Ord. 65021 § 3 (part), 2000.)

25.03.660 Sections 1106.5 through 1106.5.3.5--Amended.

Change Sections 1106.5 through 1106.5.3.5 to read as follows:

1106.5 Remote controls. Remote control of the mechanical equipment and appliances located in the machinery room shall be provided at an approved location immediately outside the machinery room and adjacent to its principal entrance.

1106.5.1 Refrigeration system. A clearly identified switch of the break-glass type shall provide off-only control of electrically energized equipment and appliances in the machinery room, other than refrigerant leak detectors and machinery room ventilation.

1106.5.2 Ventilation system. A clearly identified switch of the break- glass type shall provide on-only control of the machinery room ventilation fans.

1106.5.3 Emergency control box. Emergency control boxes shall be provided for refrigeration systems required to be equipped with a treatment system, flaring system or ammonia diffusion system.

1106.5.3.1 Location. Emergency control boxes shall be located outside of the building at an approved accessible location. All portions of the emergency control box shall be 6 feet (1829 mm) or less above the adjoining grade.

1106.5.3.2 Construction. Emergency control boxes shall be of iron or steel not less than 0.055 inch (1.4 mm) in thickness and provided with a hinged cover and lock.

1106.5.3.3 Operational procedure. Valves and switches shall be identified in an approved manner as to the sequential procedure to be followed in the event of an emergency.

1106.5.3.4 Identification. Emergency control boxes shall be provided with a permanent label on the outside cover reading: FIRE DEPARTMENT USE ONLY-REFRIGERANT CONTROL BOX, and including the name of the refrigerant in the system. Hazard identification in accordance with NFPA 704 shall be posted inside and outside of the control box.

1106.5.3.5 Instructions. Written instructions and information shall be provided and located in the emergency control box designating the following information:

1. Instructions for suspending operation of the system in the event of an emergency.

2. The name, address and emergency telephone numbers to obtain emergency service.

3. The location and operation of emergency discharge systems.

(Ord. 65021 § 3 (part), 2000.)

25.03.665 Section 1106.6--Amended.

Change Section 1106.6 to read as follows:

1106.6 Emergency signs. Refrigeration units or systems having a refrigerant circuit containing more than 220 pounds (100 kg) of Group A1 or 30 pounds (14 kg) of any other group refrigerant shall be provided with approved emergency signs, charts and labels in accordance with NFPA 704. Hazard signs shall be in accordance with Table 1103.1 for the classification of refrigerants listed therein.

(Ord. 65021 § 3 (part), 2000.)

25.03.670 Section 1110--Added.

Add Section 1110 to read as follows:

SECTION 1110 RESIDENTIAL AIR CONDITIONERS

1110.1 Permits. Mechanical permits shall not be required for residential air conditioning units for dwellings of six families or less.

1110.2 Residential split systems. When a condensing unit for residential uses (R-l, R-2 or R-3) is to be located on grade, it shall not be located in front of the building.

1110.3 Condenser foundations. All condensing units mounted on grade must be located on a level, four inch (4") thick concrete pad or other foundation approved by the code official prior to installation.

1110.4 Protection of refrigerant lines. All piping installed above grade, or underground, shall be protected from damage and corrosion in keeping with recognized standard practice and the recommendations of the manufacturer.

1110.5 Units in areaways. Where areaways less than four feet in width exist between buildings, all window units shall be installed not less than seven feet above grade.

(Ord. 65021 § 3 (part), 2000.)

25.03.675 Section 1201.1--Amended.

Change Section 1201.1 to read as follows:

1201.1 Scope. The provisions of this chapter shall govern the construction, installation, alteration and repair of hydronic piping systems. This chapter shall apply to hydronic piping systems that are parts of heating, ventilation and air-conditioning systems. Such piping systems shall include steam, hot water, chilled water, steam condensate and ground source heat pump loop systems. Potable cold and hot water distribution systems shall be installed in accordance with the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.680 Section 1201.3--Added.

Add Section 1201.3 to read as follows:

1201.3 Ground source heat pump loop systems. Ground source heat pump loop systems shall be installed a minimum of 10 feet (3048 mm) from the property line.

(Ord. 65021 § 3 (part), 2000.)

25.03.685 Section 1204.1--Amended.

Change Section 1204.1 to read as follows:

1204.1 Insulation characteristics. Pipe insulation shall be tested in accordance with ASTM E 84 and shall have a maximum flame spread index of 25 and a smoke-developed index not exceeding 450. Insulation installed in an air plenum shall comply with Section 602.2.1.

Exception: The maximum flame spread index and smoke-developed index shall not apply to one- and two-family dwellings.

(Ord. 65021 § 3 (part), 2000.)

25.03.690 Section 1204.2--Deleted.

Delete Section 1204.2.

(Ord. 65021 § 3 (part), 2000.)

25.03.695 Section 1206.2--Amended.

Change Section 1206.2 to read as follows:

1206.2 System drain down. Hydronic piping systems shall be designed and installed to permit the system to be drained. Where the system drains to the plumbing drainage system, the installation shall conform to the requirements of the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.700 Sections 1206.3 and 1206.4--Amended.

Change Sections 1206.3 and 1206.4 to read as follows:

1206.3 Protection of potable water. The potable water system shall be protected from backflow in accordance with the plumbing code.

1206.4 Pipe penetrations. Openings for pipe penetrations in walls, floors or ceilings shall be larger than the penetrating pipe. Openings through concrete or masonry building elements shall be sleeved. The annular space surrounding pipe penetrations shall be protected in accordance with the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.705 Section 1301.1--Amended.

Change Section 1301.1 to read as follow:

1301.1 Scope. This chapter shall govern the design, installation, construction and repair of fuel oil storage and piping systems. The storage of fuel oil exceeding the limitation of this chapter and flammable and combustible liquids shall be in accordance with the fire code.

(Ord. 65021 § 3 (part), 2000.)

25.03.710 Section 1301.2--Amended.

Change Section 1301.2 to read as follows:

1301.2 Storage systems. Fuel-oil storage systems shall comply with the fire code. Fuel-oil piping systems shall comply with the requirements of this code.

(Ord. 65021 § 3 (part), 2000.)

25.03.715 Section 1401.2--Amended.

Change Section 1401.2 to read as follows:

1401.2 Potable water supply. Potable water systems shall be protected against contamination in accordance with the plumbing code.

(Ord. 65021 § 3 (part), 2000.)

25.03.720 Sections 1402.3 and 1402.3.1--Amended.

Change Sections 1402.3 and 1402.3.1 to read as follows:

1402.3 Roof-mounted collectors. Roof-mounted solar collectors that also serve as roof covering shall conform to the requirements for roof coverings in accordance with the building code.

Exception: The use of plastic solar collector covers shall be limited to those approved plastics meeting the requirements for plastic roof panels in the building code.

1402.3.1 Collectors mounted above the roof. When mounted on or above the roof covering, the collector array and supporting construction shall be constructed of noncombustible materials or fire-retardant-treated wood conforming to the building code to the extent required for the type of roof construction of the building to which the collectors are accessory.

Exception: The use of plastic solar collector covers shall be limited to those approved plastics meeting the requirements for plastic roof panels in the building code.

(Ord. 65021 § 3 (part), 2000.)

25.03.725 Chapter 15--Amended.

Modify Chapter 15 by adding the following:

ANSI

NB-23

National Board Inspection Code

1011.1.1

ASME

ASME-98

Boiler & Pressure Vessel Code

Sections I through X, 1001.1, 1001.4, 1004.1, 1006.1, 1011.1, 1012.1

CODES

BNBC-99

BOCA National Building Code

BNFPC-99

BOCA National Fire Prevention Code

NFPA

50-1990

Bulk Oxygen Systems on Consumer Sites

313.3

51-1992

Oxygen - Fuel Gas Systems for Welding, Cutting and Allied Processes

313.3

54-1992

National Fuel Gas Code

1301.8, 1304.18

70-1999

National Electrical Code

90A-1993

Standard for the Installation of Air Conditioning and Ventilating Systems

202

96-1994

Cooking Equipment, Vapor Removal

506.1, 506.3

99C-93

Gas and Vacuum Systems

313.1, 313.2

704-1990

Fire Hazards of Materials, Identification

(Ord. 65021 § 3 (part), 2000.)

25.03.730 Penalty for violation.

Any person who shall violate a provision of this code or shall fail to comply with any of the requirements thereof, or who shall erect, construct, alter, extend, repair, remove, demolish, use or occupy any building, structure or premises or equipment regulated by this code in violation of an approved construction document or directive of the code official or the Board of Building Appeals, or of a permit, license or certificate issued under the provisions of this code, shall, upon conviction thereof, be punished by a fine of not more than five hundred dollars, or by imprisonment not exceeding ninety days, or both such fine and imprisonment. Each day that a violation continues shall constitute a separate and distinct offense. (Ord. 65021 § 3 (part), 2000.)

Return to Top of Charter, Code, and Ordinances.
Return to Title 25
Return to Code Table of Contents

Permit Fee	Surcharge
$0 to $50	$ 30.00
$51 to $200	90.00
$201 to $500	240.00
$501 to $2,000	360.00
$2,001 to $10,000	480.00
over $10,000	1,000.00

ITEM	FEE
APPLICATION FEE	$25.00
AMUSEMENT RIDES -each	$10.00
AUTO LIFTS - Per Unit	$ 80.00
BOILERS-HIGH PRESSURE - per boiler <1,000,000 BTU/HR >1,000,000 BTU/HR	$60.00 $80.00
BOILERS-LOW PRESSURE - per boiler <1,000,000 BTU/HR >1,000,000 BTU/HR	$50.00 $70.00
UNFIRED PRESSURE VESSELS - Per unit	$40.00
AIR CONDITIONING/ REFRIGERATION SYSTEM (See NOTE 1) -each Up to 14 tons 14 tons or greater	$60.00 $85.00 + $1.00/ton
COOLING TOWERS -each	$180.00
VENTILATION SYSTEMS -each 500 cfm up to 2,000 cfm 2,000 cfm to 15,000 cfm Over 15,000 cfm	$ 80.00 $ 140.00 $ 180.00
EXHAUST HOODS/SYSTEMS Up to 5,000 cfm Over 5,000 cfm	$ 80.00 $ 140.00
FIRE/ SMOKE DAMPERS - Per Unit	$40.00
PROCESS PIPING -each	$20.00
SPECIAL INSPECTION -each	$ 40.00
REINSPECTION -each. ( See NOTE 2)	$ 25.00
NOTES: 1. All installations of refrigeration and/or air conditioning equipment require a permit except the following: a. Portable equipment (window units) b. Units of less than 12,000 BTU per hour capacity. c. Incremental (through the wall) cooling or heating/cooling units. d. Condensing units serving buildings of six units or less. All installations of ventilation systems (ducted) require a permit except ventilation systems under 2,000 cfm capacity. 2. Reinspections - Faulty or Incomplete work - Where a reinspection is required to be made due to faulty workmanship or work not completed at the time of a requested inspection, a reinspection charge of $25.00 shall be levied.

ANSI
NB-23	National Board Inspection Code	1011.1.1
ASME
ASME-98	Boiler & Pressure Vessel Code	Sections I through X, 1001.1, 1001.4, 1004.1, 1006.1, 1011.1, 1012.1
CODES
BNBC-99	BOCA National Building Code
BNFPC-99	BOCA National Fire Prevention Code
NFPA
50-1990	Bulk Oxygen Systems on Consumer Sites	313.3
51-1992	Oxygen - Fuel Gas Systems for Welding, Cutting and Allied Processes	313.3
54-1992	National Fuel Gas Code	1301.8, 1304.18
70-1999	National Electrical Code
90A-1993	Standard for the Installation of Air Conditioning and Ventilating Systems	202
96-1994	Cooking Equipment, Vapor Removal	506.1, 506.3
99C-93	Gas and Vacuum Systems	313.1, 313.2
704-1990	Fire Hazards of Materials, Identification