For the purpose of this chapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.

   "DEPARTMENT." The Danville Department of Engineering & Urban Services. When read in the context of enforcement authority or procedures, "DEPARTMENT" shall mean the Director of the Department or his assignee, and the Mechanical Inspector.

   "MECHANICAL CONTRACTOR." Any person engaged in the business of designing, installing or altering heating, ventilation, air conditioning, refrigeration, fire suppression and related systems.

(Ord. 7518, passed 6-4-91; Am. Ord. 7688, passed 1-4-94; Am. Ord. 8341, passed 3-2-04; Am. Ord. 8934, passed 4-1-14)

   (A)   Commercial and nonresidential installations. For the purpose of establishing the minimum regulation governing the design, installation and construction of mechanical systems, and providing reasonable safeguards to protect the public health and safety against the hazards of inadequate, defective or unsafe mechanical systems and installations within the jurisdiction of the city, including but not limited to permits and penalties, there is hereby adopted in its entirety as the Mechanical Code of the city that certain code known as International Mechanical Code, 2021 Edition, and any amendment thereto that may from time to time be made, as recommended and published by the International Code Council, Inc. and the whole thereof is hereby incorporated by reference herein or as may be hereafter modified, deleted or amended. One copy of the mechanical code shall be filed and maintained with the office of the City Clerk, other copies shall be available at the office of the Department.

   (B)   Residential installations. For residential installations, mechanical contractors shall refer to the International Residential Code as adopted by the city.

(Ord. 7518, passed 6-4-91; Am. Ord. 7688, passed 1-4-94; Am. Ord. 7747, passed 3-7-95; Am. Ord. 8023, passed 4-6-99; Am. Ord. 8341, passed 3-2-04; Am. Ord. 8934, passed 4-1-14; Am. Ord. 9499, passed 8-20-24)

   In order to modify this code to accommodate special local circumstances the following modifications are hereby made.

   (A)   Section 101.1 (page 1, second line) insert "City of Danville."

   (B)   Section 103 shall be deleted in its entirety.

   (C)   Section 104.1 "General" shall be amended to add the following at the end of the paragraph:

   "The Mechanical Inspector shall devote his entire time to his office and its duties. He shall not engage in the occupation of installing or altering heating, ventilation, air conditioning, refrigeration, fire suppression and related systems within the City of Danville, except for City projects as directed by the Department."

   (D)   Section 109.2 "Schedule of Permit Fees" shall be amended to state the following:

   "Fees collected under this Code shall be as described in Section 151.99 of the city Code of Ordinances except that fireplaces, wood stoves and other solid fuel burning equipment installations shall require a mechanical permit. The permit fee shall be thirty dollars ($40.00) per unit and all mechanical permit fees shall be non-refundable."

   (E)   Section 108.2 shall be deleted in its entirety and replaced with the following:

   "108.2 Procedure. Any violation of this chapter shall be enforced pursuant to Chapter 166 of the Code of Ordinances of the City of Danville."

   (F)   Sections 115.3 and 115.4 shall be deleted in their entirety.

   (G)   Section 115.6.1 shall be amended by deleting the reference to "Section 115.2" and replacing it with a reference to "Chapter 166".

   (J)   Section 114 shall be deleted in its entirety.

   (K)   Section 931 shall be added as follows:

   "Section 931 Unvented room heaters

   931.1 General. Unvented, gas-fired room heaters shall be listed, labeled and installed in accordance with the conditions of the listing and the manufacturer's installation instructions.

   931.2 Prohibited use. One or more unvented room heaters shall not be used as the sole source of comfort heating in a dwelling unit.

   931.3 Input rating. Unvented room heaters shall not have an input rating in excess of 40,000 Btu/h (11.7kW).

   931.4 Prohibited locations. Unvented room heaters shall not be installed within occupancies in Use Groups A, E, and I. The location of unvented room heaters shall also comply with Section 303.3.

   931.5 Room or space volume. The aggregate input rating of all unvented appliances installed in a room or space shall not exceed 20 Btu/h per cubic foot (0.21 kW/m3) of volume of such room or space. Where the room or space in which the appliances are installed is directly connected to another room or space by a doorway, archway or other opening of comparable size that cannot be closed, the volume of such adjacent room or space shall be permitted to be included in the calculations.

   931.6 Oxygen-depletion safety system. Unvented room heaters shall be equipped with an oxygen-depletion-sensitive safety shutoff system. The system shall shut off the gas supply to the main and pilot burners, when the oxygen in the surrounding atmosphere is depleted to the percent concentration specified by the manufacturer, but not lower than 18 percent. The system shall not incorporate field adjustment means capable of changing the set point at which the system acts to shut off the gas supply to the room heater."

(Ord. 7518, passed 6-4-91; Am. Ord. 7688, passed 1-4-94; Am. Ord. 8341, passed 3-2-04; Am. Ord. 8934, passed 4-1-14; Am. Ord. 9499, passed 8-20-24)

   (A)   Any person or business desiring to engage in the business of installing, altering, modifying, repairing, or servicing in any way mechanical equipment in the city shall first be registered and licensed in accordance with the requirements of this Chapter, and Chapter 165. No firm, association, corporation or partnership shall license themselves as "Mechanical Contractors" in the business of doing mechanical work, unless at least one owner or officer thereof shall continually engage in the conduct, supervision or performance of work of the firm, association, corporation or partnership and shall be personally licensed as a Mechanical Contractor, otherwise known as the Supervising Contractor. Businesses licensed as of March 18, 2004, shall be generally exempt from the provisions of this subsection. However, existing businesses shall designate someone within the company to serve as the Supervising Contractor. When a designated Supervising Contractor is no longer active within the business, a new owner or officer shall be tested and licensed as a Mechanical Contractor (Supervising Contractor). Any applicant or Supervising Contractor shall have at least five years of apprenticeship or equivalent. No license shall be issued to any applicant who has had a prior license issued by the city or any other municipality revoked or if the applicant is subject to a current suspension of a license issued by any other municipality.

   (B)   Applicants not holding a valid current license shall be required to take and pass a written test offered and administered by a private entity in cooperation with the International Code Council. This procedure shall not apply to applicants seeking annual renewal of an existing license.

   (C)   Contractors licensed in other cities shall be considered qualified to work in the city without taking the test described in this section, provided that the other city requires comparable testing prior to receipt of a license and said city has a reciprocal agreement to accept the qualifications of contractors licensed by this city. These contractors must pay the license fee and provide other submittals. If the contractor's license issued by any other municipality is suspended or revoked, he or she will not be authorized to perform any work within the city and any license issued by the city shall be suspended or revoked.

(Ord. 7518, passed 6-4-91; Am. Ord. 7688, passed 1-4-94; Am. Ord. 7892, passed 3-18-97; Am. Ord. 8341, passed 3-2-04; Am. Ord. 8537, passed 4-3-07; Am. Ord. 8934, passed 4-1-14)

   The Department shall have the authority to inspect all residential and all non-residential structures at any reasonable time and to order modifications to existing mechanical work which in the opinion of the Department represent an urgent threat to public health and safety.

(Ord. 7518, passed 6-4-91; Am. Ord. 7688, passed 1-4-94; Am. Ord. 8341, passed 3-2-04; Am. Ord. 8934, passed 4-1-14)

   (A)   No person shall do or authorize any work or perform any of the operations prescribed in this chapter without first procuring and having in force the permit required by the Department. Failure to obtain a permit prior to doing or authorizing any work shall result in the permit fee being doubled and may also result in penalties as provided in Chapter 166.

   (B)   Any person who shall fail to comply with any provision of this chapter may be punished as provided in Chapter 166, and as hereinafter provided.

   (C)   In addition to the penalties described above, the contractor may have his operating license and certificate of registration revoked pursuant to Chapter 165.

   (D)   There shall be no penalty for failure to obtain the required permit prior to starting said work when said work is begun in response to an unanticipated emergency at a time other than the regular business hours of the Department and for which a permit is later obtained during the next succeeding regular business day of that Department.

   (E)   Appeals. Any person which is aggrieved with the ruling or decision of the enforcing officer may appeal that decision pursuant to Chapter 164.

(Ord. 7518, passed 6-4-91; Am. Ord. 7685, passed 1-4-94; Am. Ord. 7688, passed 1-4-94; Am. Ord. 8341, passed 3-2-04; Am. Ord. 8934, passed 4-1-14)

   This chapter shall not be construed to affect the responsibility or liability of any person owning, operating, controlling or installing any mechanical equipment for damages to persons or property caused by any defect therein. Nor shall the city be held as assuming any such liability by reason of the inspection or reinspection authorized herein, the certificate of approval, issued as herein provided, or by reason of the approval or disapproval of any equipment authorized herein.

(Ord. 7518, passed 6-4-91; Am. Ord. 7688, passed 1-4-94; Am. Ord. 8341, passed 3-2-04; Am. Ord. 8934, passed 4-1-14)