§ 321.107. Trades, crafts and contractors.

(a)

Generally. Except as otherwise provided by law, it is unlawful for a person to engage in a trade or craft specified in this Section without a craftsman certificate issued by the Board for the particular trade or craft engaged in. A current craftsman certificate issued in a wallet size format, shall be required to be in the personal possession of the craftsman at all time while working and upon request of any interested party, must be displayed to such interested party. A worker, helper or apprentice who is not so certified may work at the trade or craft if he is employed by a contractor qualified in the trade or craft and he is working under the direct supervision of a certified craftsman on the job site as provided in Section 342.111(b) or Section 321.108(b). It is the employing contractor's responsibility to provide certified craftsmen on each job site and failure to do so is a violation of this Chapter. It is a violation of this Chapter for a person not possessing a valid craftsman certificate issued by the Board to represent himself as holding one or to do work requiring one except under the direct supervision of a certified craftsman. This Chapter applies only to the trades, crafts and contractors specifically provided in this Section.

(b)

Electrical construction.

(1)

For purposes of this Chapter, electrical construction means the practice, materials and equipment used in the installation, maintenance, extension and alterations of a system of electrical wiring for light, heat or power, appurtenances thereto and apparatus and equipment used in connection therewith within or adjacent to a building or structure, excluding:

(i)

A wiring and electrical system in an elevator installation located beyond the elevator disconnect switch.

(ii)

Wiring and equipment in a signaling, public address or communications system operating at 50 volts or less.

(iii)

Low-voltage control wiring operating at 50 volts or less.

(iv)

An electrical system within air conditioning, heating and similar equipment, which wiring or system constituted the original equipment installed by the manufacturer.

(2)

It is unlawful for a person required by subsection (a) of this Section to have a craftsman certificate to engage in the trade of electrician or to do electrical construction for others unless he holds a valid craftsman certificate issued by the Board as a master or journeyman electrician. It is unlawful for a person to engage in the business of electrical contractor unless he holds a valid contractor certificate in that category issued by the Board or by the state.

(c)

Plumbing.

(1)

For purposes of this Chapter, plumbing means the practice, materials and equipment used in the installation, repair, maintenance, extension and alteration of piping, fixtures, appliances and appurtenances in connection with a sanitary or storm drainage facility, venting of a sewerage system, a liquid waste and a sewage disposal system and a water supply system within or adjacent to a building or structure, excluding:

(i)

The extension or installation of collector and distribution lines (not including lateral lines or lines serving only individual building or structures) of a sanitary or storm drainage system and a water supply system.

(ii)

Piping and water circulation equipment in a swimming pool, exclusive of the connections to a public supply water supply or sewerage system.

(iii)

Fire sprinkler piping, fire hose cabinets and standpipes for fire protection purposes only.

(iv)

The cleaning, unstopping or rodding out of drains and sewers if the work is done through established cleanout plugs or vents and does not involve breaking into pipes, removal of fixtures or other disturbance to the drainage piping and system.

(2)

Except where otherwise allowed by this Ordinance Code or other law, it is unlawful for a person required by subsection (a) of this Section to have a craftsman certificate to engage in the trade of plumber or to do plumbing work for others unless he holds a valid craftsman certificate issued by the Board as a journeyman plumber.

(d)

Heating, air conditioning and refrigeration.

(1)

For purposes of this Chapter, heating, air conditioning and refrigeration, to be noted herein as HAR, means the practice, materials and equipment used in the installation, repair, maintenance, extension and alteration of appliances and appurtenances in connection with a heating, air conditioning or refrigeration system within or adjacent to a building or structure, excluding:

(i)

Factory-built appliances such as window air conditioners, domestic refrigerators, kitchen ranges, space heaters, portable fans and other apparatus which is not normally included in the permanent construction of a dwelling.

(ii)

Electrical radiant heating systems, electrical household appliances and electrical construction beyond the point of connection of HAR machinery to the electrical branch circuit.

(iii)

A part of a plumbing system beyond the point of connection of HAR machinery to a water supply outlet or the discharge of HAR machinery drainage into an indirect waste.

(iv)

A water heater, unless the water heater and hot water or steam lines connected thereto are a part of the heating system and not for domestic use.

(v)

Fire sprinkler and piping of a fire protection system.

(vi)

Gas piping not within a HAR system.

(vii)

Construction or installations included within the scope of an electrical contractor or plumbing contractor as provided in subsections (b) and (c) of this Section.

(viii)

Duct systems and sheet metal work.

(ix)

HAR equipment when being set in a permanent location to allow the installation of ductwork, if a proper mechanical permit has been obtained.

(x)

Preventative maintenance defined as charging of refrigerant lines, changing filters and cleaning of dust and debris of HAR equipment only when work is done by an employee of a qualified HAR contractor or when the HAR equipment is within a multifamily facility and the work is done by an employee of the multifamily facility who has been designated as a maintenance craftsman by the Board.

(xi)

Installation of refrigerant lines and drain lines on residential construction for a one to five ton capacity system, if a licensed installer verifies that the work is satisfactory before the job is completed and if a proper mechanical permit has been obtained.

(2)

The following classifications of HAR are established:

(i)

Class A indicates those craftsmen and contractors whose services are unlimited in the execution of work in the HAR trade.

(ii)

Class B indicates those craftsmen and contractors whose services are unlimited in the execution of work in the HAR trade at or below a rating of 25 tons (direct expansion units only) for a single cooling system and 500,000 Btu for a single heating system.

(iii)

Class C indicates those craftsmen and contractors whose services are limited to the execution of work of fired-pressure vessels and all appurtenances, apparatus or equipment used in connection therewith.

(iv)

Class D indicates those craftsmen and contractors whose services are limited to the execution of work on low-temperature equipment, commonly known as refrigeration, and all appurtenances, apparatus and equipment used in connection therewith.

(3)

Except where otherwise allowed by this ordinance code or by other law, it is unlawful for a person required by subsection (a) to have a craftsman certificate to engage in the trade of a HAR mechanic or to do HAR work for others unless he holds a valid craftsman certificate issued by the Board as a master or journeyman or installer HAR mechanic in the appropriate classification.

(Ord. 2001-1160-E, § 1)