(A) The following amendments, modifications, additions and deletions to the International Mechanical Code, 2018 Edition, noted as “IMC” and additions and deletions to the International Fuel Gas Code, 2018 Edition, noted as “IFGC” are hereby made.
(1) Revise IMC §101.1 and IFGC § 101.1 by inserting “City of Urbandale” in the brackets.
(2) Amend IMC § 106.4.2 and IFGC § 106.4.2 by adding a new paragraph to read as follows:
Additional work.
When a permit has been issued for work in no case shall additional work be installed without the approval of the Building Official, and a new permit shall be obtained for all additional work.
(3) Amend IMC § 106.5.2 and IFGC § 106.5.2 by inserting the following:
No work governed by this Code shall be done prior to obtaining a permit, which shall be applied for on forms provided by the Department for such purpose. Every application shall be accompanied by the payment of a fee as set by resolution of the City Council from time to time.
(4) Amend IMC § 108.4 and IFGC § 108.4 to read:
Any violation of any of the terms or conditions of this Code, or any failure to comply with any of its requirements, shall constitute a civil infraction or misdemeanor and shall be accordingly subject to fines or imprisonment in accordance with the provisions of the Code of Iowa. Each day a violation exists may be considered to be a new and separate infraction or misdemeanor.
(5) Add the following to IMC § 109 and IFGC § 109:
The Board of Appeals mentioned in § 109 of the Mechanical Code and § 109 Fuel Gas Code shall be the same Board of Appeals which serves for the Building Code (herein "Board" or "Board of Appeals"), and persons who are appointed to the Board of Appeals are hereby concurrently appointed to this Board without further action or specific citation. The Building Official shall be an ex officio member and shall act as secretary to the Board, but shall have no vote upon any matter before the Board.
The Board shall have no authority relative to interpretation of the administrative provisions of this Code, and the Board shall not be empowered to waive requirements of this Code.
The rules of procedure, powers, and obligations of the Board shall be the same as those set forth in the Building Code, including but not limited to rendering all decisions and findings in writing to the appellant with a duplicate copy to the Building Official.
(6) Amend Chapter 1 by adding IMC § 111 and IFGC § 111 entitled Licensing and Permitting.
In order to safeguard life, health and property against the hazards of fire, explosions or other casualties, through the proper installation of warm-air heating equipment, no person shall install, repair, renew or remodel any warm-air heating system or gas piping system without first obtaining a permit for the work to be performed.
An owner of a single-family dwelling who desires to install or repair the warm-air heating equipment in his or her own existing owner-occupied residence may appear before the Building Official and show that they are competent to do specific work, and after said demonstration of competency may obtain a permit upon submittal of a proper application and payment of the required fee, and do the work authorized by such permit provided that all shall be in full compliance with this Code.
The issuance of mechanical permits is limited to those holding a license issued by the State of Iowa, or homeowners who have demonstrated competency in the manner set out in this Section.
(7) Amend IMC § 304.11 by deleting the exception and replacing with:
Exception:
Guards are not required where permanent fall arrest/restraint anchorage connector device that comply with ANSI/ASSE Z 359.1 are installed and affixed for the use during the entire lifetime of the roof covering. The devices shall be placed not more than 10 feet (3048 mm) on center along hip and ridge lines and places not less than 10 feet (3048 mm) from the roof edges and the open sides of walking surfaces.
(8) Amend IMC § 306.1 by inserting at the end the following text:
An unobstructed level working space at least 30 inches deep and 30 inches wide shall be provided on any side of equipment where service access is required. Code official or designee may approve service space reductions prior to equipment installation, provided manufacturer's instructions are met. (Excluding suspended ceiling)
(9) Amend IMC § 306.5 by inserting at the end the following text:
If the tenants of a multiple tenant building have, or are allowed to have, mechanical facilities on or which penetrate the roof, then roof access ladders must be provided for use by all such tenants and their agents and contractors in a manner that does not require accessing space under the control of another tenant.
(10) Amend IMC § 307.2.4.1 by replacing with the following text:
Ductless mini-split system traps. Ductless mini-split equipment that produces condensate shall be installed per manufacturer's instructions.
(11) Amend IMC § 401.2 by replacing with the following text:
Ventilation required.
Every occupied space shall be ventilated by mechanical means in accordance with section 403. Where the air infiltration rate in a dwelling is less than 5 air changes per hour when tested with a blower door at a pressure of .2 inches of water column in accordance with Section 402.4.1.2 of the energy conservation code, the dwelling shall be ventilated by mechanical means in accordance with Section 403.
(12) Amend IMC § 508.1.1 by inserting at the end the following text:
The temperature differential between makeup air and the air in the conditioned space shall not exceed 10ºF (6ºC) except where the added heating and cooling loads of the makeup air do not exceed the capacity of the HVAC system. All kitchen makeup air shall be tempered.
Exception:
When an Iowa Licensed Mechanical Engineer submits a report verifying the kitchen HVAC system is capable of handling the additional load created by non-tempered make up air.
(13) Amend IMC § 603.1 by inserting at the end the following text:
Air plenums and ducts located in floor and wall cavities shall be separated from unconditioned space by construction with insulation to meet energy code requirements. These areas include but are not limited to exterior walls, cantilevered floors, and floors above garages.
(14) Amend IMC § 603.6.1.1 by inserting at the end the following text:
Flexible air ducts shall be designed and installed per manufacturer's installation instructions and requirements.
(15) Amend IMC § 604.3 by inserting at the end the following text:
The use of air-inflated/encapsulated duct wrap to achieve required R-values shall be prohibited.
(16) Amend IMC § 1107.5.4 by inserting at the end the following text:
Press-connect fittings must be listed and labeled for refrigerant piping and installed per manufacturer's instructions.
(17) Amend IFGC § 310.2 by deleting and replacing with the following:
Existing CSST – Bonding Required
Where alterations, repairs or additions requiring a permit occur, CSST shall be bonded in accordance with §§ 310.2.1 through 310.2.5, unless deemed technically infeasible by the Building Official.
(§§ 310.2.1 thru 310.2.5 to remain as written)
(18) Amend IFGC § 310.3 by deleting and replacing with the following:
Corrugated Stainless Steel Tubing
Only Corrugated Stainless Steel Tubing (CSST ) with an Arc Resistant Jacket or Covering System listed in accordance with ANSI LC-1 (Optional Section 5.16)/CSA 6.26-2016 shall be installed in accordance with the terms of its approval, the conditions of listing, the manufactures instructions including electrical bonding requirements in Section 309.1 and this code. CSST shall not be used for through wall penetrations from the point of delivery of the gas supply to the inside of the structure. CSST shall not be installed in locations where subject to physical damage unless protected in an approved manner.
(Ord. 2020-13, passed 9-22-2020)