§ 101. Amendments to the ICC International Mechanical Code, 2015 Edition.

The following provisions of the ICC International Mechanical Code , 2015 Edition, are hereby added, deleted, or amended to read as follows:

Chapter 1 — Administration

Section 101.1 Title—Amendatory. This code shall be known as the "Mechanical Code of the City of Tulsa," and may be cited as the "Mechanical Code," or in this title as "this code."

SECTION 103. OFFICE OF MECHANICAL INSPECTION—Amendatory

103.1 Authority Having Jurisdiction-Amendatory. Pursuant to Title 11, Tulsa Revised Ordinances, Chapter 2, the Director of Planning and Development, or the Director's designated representative, as provided by Title 51, Chapter 1, Section 103.2, Tulsa Revised Ordinances, shall direct the administration of the Mechanical Code of the City of Tulsa.

106.1 When Required—Amendatory. A contractor who desires to erect, install, enlarge, alter, repair, remove, convert, or replace a mechanical system, the installation of which is regulated by this code, or to cause such work to be done, shall first make application and obtain the required permit for the work.

Exception. Where equipment replacements and repairs must be performed in an emergency situation, the permit application shall be submitted within the next working business day.

106.1.1 Annual Permit—Amendatory. An annual permit is a yearly permit which represents a group of individual permits for each alteration to an already existing electrical, gas, mechanical or plumbing installation. The building official is authorized to issue an annual permit upon application therefor to any person, firm or corporation regularly employing one or more qualified tradespersons in the building, structure or on the premises owned or operated by the applicant for the permit.

106.1.2 Annual permit records—Amendatory. The person to whom an annual permit is issued shall keep a detailed record of alterations made under such annual permit. The building official shall have access to such detailed records of alterations at all times. At the completion of the entity's annual permit term, the applicant shall file such detailed records of alterations with the building official. Pursuant to the authority of 59 O.S. § 1000.25, the building official shall collect fees for each individual permit which is part of the annual permit once the detailed records are submitted and remit such fees to the OUBCC.

106.1.3 Tulsa Revised Ordinances, Title 50—Added. Annual permits shall be issued in accordance with Tulsa Revised Ordinances, Title 50.

106.1.4 Air Compressor and Tank Permits—Added. Permits for air compressors and tanks only, excluding piping for air distribution, may be issued to the owner or lessee, or the agent of either, of a building or structure in which the air compressors or tanks are to be installed, or to the contractor employed to perform the work.

106.1.5 Separate Permit Required—Added. A separate permit shall be required for each building within a complex and for each gas meter, when there is a multi-meter installation on a single building.

106.1.6 City Owned Property—Added. Buildings and structures owned by the City of Tulsa which are located inside or outside the corporate limits of the City, shall comply with the requirements of this code and require a permit for mechanical work.

106.3 By Whom Application is Made—Amendatory. No mechanical permit shall be issued to any person, firm, limited liability company, or corporation until such person, firm, limited liability company, or corporation has received a Certificate of Registration appropriate for the work contemplated.

106.5.1 Work Commencing Before Permit Issuance—Amendatory. Any person who commences work on a mechanical system before obtaining the necessary permits shall be subject to penalty fees established in Title 49, Tulsa Revised Ordinances.

106.5.2 Fee Schedule—Amendatory. Permit and inspection fees for all mechanical work shall be in accordance with the schedule established in Title 49, Tulsa Revised Ordinances.

107.3.4 Carbon Monoxide Testing—Added. When tests for carbon monoxide are required, tests shall be performed by an approved testing agency. The test results and other data necessary, shall be furnished to the code official and the code official shall determine conformance with this code.

108.4 Violation Penalties—Amendatory. Any person violating any of the provisions of this code shall be guilty of a misdemeanor offense and, upon conviction thereof, shall be punished by a fine of not more than One Thousand Two Hundred Dollars ($1,200.00), excluding cost, fees, and assessments or by imprisonment in the City Jail for a period not exceeding six (6) months, or by both such fine and imprisonment. Each day or portion of a day that a violation continues shall be deemed a separate offense.

108.7.4 Fine Not Exclusive Penalty—Added. The penalties prescribed in this code shall not be exclusive or prevent independent action by the Board of Appeals as created and provided in Title 51, Chapter 1, Tulsa Revised Ordinances to suspend or revoke the Certificate of Registration of any person subject to this code, and shall not prevent the City of Tulsa, or its authorized officials, from taking other action authorized by law to remedy the violation.

SECTION 109. MEANS OF APPEAL-Amendatory. Appeals of orders, decisions or determinations made by the code official relative to the application and interpretation of this code, shall be made to the Board of Appeals as established by Title 51, Chapter 1, Tulsa Revised Ordinances.

SECTION 111.0. REGISTRATION OF MECHANICAL CONTRACTORS—Added.

111.1 General—Added. No person, firm, limited liability company, or corporation shall be issued a permit, engage or offer to engage in, by advertisement or otherwise, any mechanical work in the City of Tulsa as a contractor unless such person, firm, limited liability company, or corporation has properly registered with the City of Tulsa. All contractors, journeymen, and apprentices shall carry their state license on their person at all times while performing mechanical work within the City of Tulsa and shall display the same upon request from the code official or a police officer of the City of Tulsa. No person issued a contractor's license shall employ or supervise persons performing mechanical work unless those person(s) are licensed or allow any apprentice to perform mechanical work unless the apprentice shall have direct supervision by a properly licensed person.

111.2 Requirements for Registration—Added.

A.

State Licensees. Any person, firm, limited liability company, or corporation holding a current state of Oklahoma license or registration issued under the provisions of 59 O.S.Supp.2005, §§ 1850.1, et seq. , as amended, shall be issued a Certificate of Registration after paying the fees required by this code.

B.

City of Tulsa Licensees. Any person, firm, or corporation holding a current City of Tulsa License or registration issued under the provisions of this ordinance shall be issued a Certificate of Registration after paying the fees as set forth in Title 49, Tulsa Revised Ordinances.

C.

Boiler Repair Contractor. No person, firm, limited liability company, or corporation shall be registered as a Boiler Repair Contractor unless he shall have furnished proof of the issuance of a current State Department of Labor Boiler Repair Contractor's License issued under the provisions of the Oklahoma Boiler and Pressure Vessel Safety Act, 40 O.S.Supp.2005, §§ 141.1, et seq. as amended, and shall have paid the required fees as set forth in Title 49, Tulsa Revised Ordinances.

111.3 Expiration of Registration—Added. Registration of state licensed contractors shall expire on the last day of their birth month of each year. Certificates of Registration, which have not been renewed thirty (30) days after expiration, shall not be renewed until the applicant possesses the state license referenced in Subsection 111.2.A of this code.

111.4 Transfer of Registration Prohibited—Added. Certificates of Registration shall be nontransferable.

111.5 Registration after Revocation—Added. No person, firm, limited liability company, or corporation shall be permitted to obtain a new registration within one (1) year from the date of revocation of any prior registration.

111.6 Identification of Service Vehicles—Added. Every contractor shall identify all service vehicles used in the contractor's business with the company name and contractor's license number. Such letters and numbers shall be not less than two (2) inches in height, shall be of a contrasting color, and shall be placed on both sides of all vehicles.

111.7 Suspension or Revocation of Certificates of Registration—Added. Certificates of Registration may be suspended or revoked by the Board of Appeals as provided in Title 51, Chapter 1, Tulsa Revised Ordinances.

112.0 Exemptions—Added.

A.

None of the technical provisions of this code shall apply to internal systems of factory-assembled package units as have been examined and rated by an approved testing laboratory or industry standards association, listed in ICC International Mechanical Code, 2015 Edition, Chapter 15, "Referenced Standards," as being suitable for their intended use. Alteration of any portion of such units subsequent to the aforementioned approval shall subject the entire unit to inspections by the code official and such further alteration as he may require to secure compliance with the intent of this code. Factory-assembled "plug-in" appliances are hereby exempted from the provisions of this code. Installation of gas lights or gas grills shall require a permit and the payment of the fee specified for gas-fired appliances to enable the inspector to check the location where installed for compliance with setback and other zoning requirements.

B.

The licensing requirements of this code shall not apply to public utilities, public service corporations, rural electric associations or municipal utilities and their subsidiaries doing work on their own facilities or during the performance of energy audits, operational inspections, minor maintenance, or minor repairs on their own equipment.

Chapter 2 - Definitions

202.0 General Definitions—Amendatory.

In addition to the definitions contained in Section 202 of the ICC International Mechanical Code, 2015 Edition, the following words and terms shall, for the purposes of this title, have the meanings indicated in this Section 202.0:

Apprentice. Any person engaged in the work of installing, altering, or repairing equipment or apparatus regulated within the City of Tulsa, who is working under the direct personal supervision of a contractor or journeyman and subject to the limitations provided in this code.

Combustible Material. Any material not defined as noncombustible. Materials adjacent to or in contact with heat-producing appliances, vent connectors, gas vents, chimneys, steam and hot water pipes, and warm air ducts made of or surfaced with wood, compressed paper, plant fibers, or other materials that are capable of being ignited and burned. Such material shall be considered combustible even though flame proofed, fire-retardant treated, or plastered.

Installation. The initial physical placement of a system at a given location and the readying of same for use or service.

Maintenance. Wherever in this code any person is authorized to maintain any mechanical equipment, such authority shall be limited to the performance of repairs designed to avoid shut-downs. In regard to any installations incidental to maintaining such equipment in a running condition, such installations shall be confined to the replacement of parts broken, worn or defective, of a nature contained in or upon major units, and shall not permit the operator to install units, compressors, or any major portion of such equipment, nor shall such persons be permitted to perform any work in or upon such equipment which would by reason of the extent of such repairs, in fact, constitute a reinstallation.

Mechanical Equipment and Apparatus. All types of air conditioning, including heating equipment and refrigeration equipment, including but not limited to furnaces, boilers, gas-fired appliances and piping, ventilating apparatus, incinerators, pressure vessels, and all related fittings, vents, duct work, and safety or regulating devices.

Public Occupancy. Public occupancy shall mean open to public use by license or invitation. The term shall not mean:

1.

Occupancy by custodial, building maintenance, or security personnel; or

2.

Occasional occupancy by employees, tenants, and their invitees after normal working hours.

Chapter 3 - General Regulations

301.15 Wind resistance—Amendatory. Mechanical equipment, appliances and supports that are exposed to wind shall be designed and installed to resist the wind pressures determined in accordance with the International Building Code , SMACNA HVAC Duct Construction Standards - Metal and Flexible, and other approved methods.

304.11 Guards—Amendatory. Guards shall be provided where various components that require service are located on a roof or elevated structure and have a condition as set forth in Sections 304.11.1 through 304.11.3 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 as specified in the International Building Code . Guards shall be provided at new components when added or replaced on an existing roof or elevated structure and have a condition as set forth in Sections 304.11.1 through 304.11.3. Exception: When approved by the authority having jurisdiction, guards are not required where permanent fall arrest/restraint anchorage connector devices that comply with ANSI/ASSE Z 359.1 are affixed for use during the entire roof covering lifetime. The devices shall be reevaluated for possible replacement when the entire roof covering is replaced. The devices shall be placed no more than 10 feet (3048 mm) on center along hip and ridge lines and placed not less than 10 feet (3048 mm) from roof edges and the open sides of walking surfaces.

304.11.1 Roof edge—Added. Guards complying with 304.11 shall be provided when components are located within 10 feet (3048 mm) of a roof edge or open side of a walking surface or elevated structure and such edge or open side is located more than 30 inches (762 mm) above the floor, roof, or grade below. The guard shall extend not less than 30 inches (762 mm) beyond each end of the component that requires service.

304.11.2 Skylights—Added. Guards complying with Section 304.11 shall be provided when a skylight is within 10 feet (3048 mm) of the component that requires service. The guard shall extend 30 inches (762 mm) beyond the edge of the skylight. Exceptions:

(A)

Guards are not required when the skylight is located at least 42 inches (1067 mm) above the highest point of the walking surface adjacent to the skylight or components.

(B)

Guards are not required if some other provision for skylight fall-through protection is provided and approved by the authority having jurisdiction.

304.11.3 Roof hatch—Added. Guards complying with Section 304.11 shall be provided when a roof hatch is within 10 feet (3048 mm) of the component that requires service. The guard shall extend 30 inches (762 mm) beyond the edge of the roof hatch. If the component is within 10 feet (3048 mm) of the ladder access side of the roof hatch, the guard shall incorporate a self-closing, self-latching gate. The gate shall have a top edge of not less than 42 inches (1067 mm) above the elevated surface adjacent to the gate and shall not allow the passage of a 21 inch (533 mm) sphere. If a roof hatch exists within 10 feet of a roof edge that is located more than 30 inches (762 mm) above the floor, roof or grade below and a new component that requires services on that existing roof or elevated structure, then a guard complying with Section 304.11 shall be added between the existing roof hatch and the roof edge.

305.5.1 Location and protection of refrigerant piping—Added. Refrigerant piping installed within 1½ inches (38 mm) of the underside of roof decks shall be protected from damage caused by nails and other fasteners.

306.5 Equipment and appliances on roofs or elevated structures—Amendatory. Where equipment requiring access or appliances are located on an elevated structure or the roof of a building such that personnel will have to climb higher than 16 feet (4877 mm) above grade to access such equipment or appliances, an interior or exterior means of access shall be provided. Such access shall not require climbing over obstructions greater than 30 inches (762 mm) in height or walking on roofs having a slope greater than 4 units vertical in 12 units horizontal (33-percent slope). Such access shall not require the use of portable ladders. Where access involves climbing over parapet walls, the height shall be measured to the top of the parapet wall.

(A)

Permanent ladders installed to provide the required access shall comply with the following minimum design criteria:

(i)

The side railing shall extend above the parapet or roof edge not less than 30 inches (762 mm).

(ii)

Ladders shall have rung spacing not to exceed 14 inches (356 mm) on center. The uppermost rung shall not be greater than 24 inches (610 mm) below the upper edge of the roof hatch, roof or parapet, as applicable.

(iii)

Ladders shall have a toe spacing not less than 6 inches (152 mm) deep.

(iv)

There shall be not less than 18 inches (457 mm) between rails.

(v)

Rungs shall have a diameter not less than 0.75-inch (19 mm) and be capable of withstanding a 300 pound (136.1 kg) load.

(vi)

Ladders over 30 feet (9144 mm) in height shall be provided with offset sections and landings capable of withstanding 100 pounds per square foot (488.2 kg divided by meters squared). Landing dimensions shall be not less than the width of the ladder served. A guard rail shall be provided on all open sides of the landing.

(vii)

 ;hg;Climbing clearance. The distance from the centerline of rungs to the nearest permanent object on the climbing side of the ladder shall be not less than 30 inches (762 mm) measured perpendicular to the rungs. This distance shall be maintained from the point of ladder access to the bottom of the roof hatch. A minimum clear width of 15 inches (381 mm) shall be provided on both sides of the ladder measured from the midpoint of and parallel with the rungs except where cages or wells are installed.

(viii)

 ;hg;Landing required. The ladder shall be provided with a clear and unobstructed bottom landing area having a minimum dimension of 30 inches (762 mm) by 30 inches (762 mm) centered in front of the ladder.

(ix)

Ladders shall be protected against corrosion by an approved means.

(x)

Access to ladders shall be provided at all times.

(B)

Catwalks installed to provide the required access shall be not less than 24 inches (610 mm) wide and shall have railings as required for service platforms. Exceptions:

(i)

This section shall not apply to Group R-3 occupancies.

(ii)

This section shall not apply to appliance replacement.

307.2.1 Condensate disposal—Amendatory. Condensate from all cooling coils and evaporators shall be conveyed from the drain pan outlet to an approved place of disposal. Such piping shall maintain a minimum horizontal slope in the direction of discharge of not less than one-eighth unit vertical in 12 units horizontal (1-percent slope). Condensate drains shall be allowed to terminate to an approved pit or French drain consisting of a minimum of 24 inches by 24 inches by 24 inches (610 mm by 610 mm by 610 mm), or equivalent; of 1 inch (25 mm) washed rock. Such pits or French drains shall be located 30 inches (762 mm) minimum from outer edge of foundation to nearest edge of pit or French drain. Condensate shall not discharge into a street, alley or other areas so as to cause a nuisance.

307.2.3.1 Water-level monitoring devices—Amendatory. On down-flow units and all other coils that do not have a secondary drain or provisions to install secondary or auxiliary drain pan, a water-level monitoring device shall be installed inside the primary drain pan. This device shall shut off the equipment served in the event that the primary drain becomes restricted. Devices installed in the drain line shall not be permitted. Exception: This section shall not apply to appliances installed in areas outside on the ground or elevated structure where condensate overflow does not damage building components or contents.

506.3.1.1 Grease duct materials—Amendatory. Grease ducts serving Type I hoods shall be constructed of non-galvanized carbon steel having a minimum thickness of 0.0575 inch (1.463 mm) (No. 16 gage) or stainless steel not less than 0.0450 inch (1.14 mm) (No. 18 gage) in thickness. Exception: Factory-built commercial kitchen grease ducts listed and labeled in accordance with UL 1978 and installed in accordance with Section 304.1

507.2 Type I hoods—Amendatory. Type I hoods shall be installed where cooking appliances produce grease or smoke as a result of the cooking process.. Type I hoods shall be installed over medium-duty, heavy-duty, and extra-heavy-duty cooking appliances.

Exceptions:

(A)

A Type I hood shall not be required for an electric cooking appliance where an approved testing agency provides documentation that the appliance effluent contains 5 mg per cubic meter when tested at an exhaust flow rate of 500 cfm (0.236 cubic meters per second) in accordance with UL 710B.

(B)

In non-commercial cooking occupancies a residential or Type II hood can be installed over a medium-duty residential appliance when approved.

604.1 General—Amendatory. Duct insulation shall conform to the requirements of Sections 604.2 through 604.13, the International Energy Conservation Code and SMACNA HVAC Duct Construction Standards - Metal and Flexible.

SECTION 1102.3. ACCESS PORT PROTECTION—Amendatory. This section has been stricken from the code.

Chapter 15 Referenced Standards—Amendatory. Chapter 15 of the IMC 2015 is adopted with the following modifications:

IBC®-15 International Building Code ® as adopted and modified by the State of Oklahoma through the OUBCC.

IECC®-06 International Energy Conservation Code ®.

IFC®-15 International Fire Code ® as adopted and modified by the State of Oklahoma through the OUBCC.

IMC®-15 International Mechanical Code ® as adopted and modified by the State of Oklahoma through the OUBCC.

IPC®-15 International Plumbing Code ® as adopted and modified by the State of Oklahoma through the OUBCC.

IRC®-09 International Residential Code ® as adopted and modified by the State of Oklahoma through the OUBCC.

NFPA 70-14 National Electrical Code ® as adopted and modified by the State of Oklahoma through OUBCC."