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PDFWAC 296-17A-0306

Classification 0306.

0306-00 Plumbing, N.O.C
Applies to contractors engaged in plumbing work not covered by another classification (N.O.C.). Work contemplated by this classification includes activities such as, but not limited to, rough-in plumbing work as part of new or remodel projects, placement of pipe (plastic, copper or galvanized), cutting and/or threading pipe, soldering, welding or gluing all types of pipe, fittings or valves, installation of fixtures (sinks, showers and tubs, faucets), installation of appliances (dishwashers, hot water tanks, refrigerators with ice and water dispensers), and other necessary plumbing activities in connection with water supplies, water carrying, dispensing, or drainage systems. This classification includes incidental side sewer hook ups (street to house) when performed by a plumbing contractor subject to this classification, and only when it is performed as a part of a plumbing contract which includes installation of waste lines and waste carry systems within a building; and sewer pipe cleaning including services provided by service providers engaged in cleaning or unplugging waste lines.
This classification excludes side sewer hook ups performed as part of an excavation contract which are to be reported separately in classification 0101, and underground water line or water main construction which is to be reported separately in classification 0107.
Special note: This classification includes the installation of display areas or showrooms which provide prospective customers an opportunity to inspect the quality of workmanship and products carried by the contractor. Generally, displays or showrooms are installed where the contractor stores his materials. It is common for contractors subject to this classification to sell plumbing fixtures and supplies, but the intent of these areas is not to sell products to walk-in customers. Sale of these products by a plumbing contractor is included in classification 0306. Classifications 2009, 6309, or similar store classifications are not to be assigned to a contractor's business. Employees engaged exclusively in showing the display areas or showrooms to customers are to be assigned classification 6303 provided the conditions of the standard exception general reporting rule have been met.
0306-02 Automatic sprinkler systems or fire extinguishing systems: Installation, service or repair within buildings
Applies to contractors engaged in the installation, service or repair of automatic sprinkler or fire extinguishing systems within buildings. Work contemplated by this classification includes installation of pipe, fittings, couplings, valves, hangers, regulators, and alarms in ceilings, walls and floors, and cutting and/or threading pipe. These systems are usually equipped to release dry chemicals or water automatically when the surrounding temperature exceeds a predetermined limit.
This classification excludes contractors engaged in the installation, service or repair of outside lawn type and agricultural/irrigation sprinkler systems who are to be reported separately in classification 0301, and contractors engaged in all types of general plumbing installation or repair work who are to be reported separately in classification 0306-00.
0306-03 Boilers, steam pipes, water pipes, heating ducts: Installation of covering insulation
Applies to contractors engaged in the installation of insulated covering on boilers, steam pipes, water pipes and heating ducts to help them retain heat. A boiler is a type of enclosed storage tank erected within a building which heats and circulates extremely hot water or converts hot water into steam. Contractors subject to this classification may also install water jets inside the tanks.
This classification excludes contractors primarily engaged in the erection of boiler tanks who are to be reported separately in classification 0306-04, and the removal of asbestos from boilers which is to be reported separately in classification 0512.
0306-04 Boilers, N.O.C.: Installation, service or repair
Applies to contractors engaged in the installation, service or repair of boilers not covered by another classification (N.O.C.), including boiler scaling and tank erection within buildings. A boiler is a type of enclosed storage tank erected within a building which heats and circulates extremely hot water or converts hot water into steam. Work contemplated by this classification includes the erection and/or installation of the boiler or tank (which is above ground), pipes, tubing, ducts, heating units, valves, headers, jets and insulation coverings. Also included is the process of boiler scaling which is the removal of scales or residue from the tank or pipes using chemicals, steam or mechanical methods.
This classification excludes contractors primarily engaged in covering a boiler and pipes with insulation covering who are to be reported separately in classification 0306-03, and the erection of exterior tanks which is to be reported separately in classification 0508.
0306-05 Pump installation, service or repair, N.O.C.
Applies to contractors engaged in the installation, service or repair of pumps related to water or waste carrying systems, and which are not covered by another classification (N.O.C.). Work contemplated by this classification applies to all types of water or sump pumps in connection with residential or commercial settings, water wells, and irrigation and drainage systems. A pump is a device that siphons or transfers material from one source or container to another. Activities include pump installation or repair services related to a building's water lines and water carrying systems, plumbing fixtures, dispensers, swimming pools and hot tubs, water wells, and agricultural or irrigation systems.
This classification excludes the installation of water pumps in connection with drilling operations which is to be reported separately in classification 0103; the installation or repair of service station pumps which is to be reported separately in classification 0603; and contractors engaged in all types of general plumbing installation or repair work who are to be reported separately in classification 0306-00.
0306-06 Water softening or treatment systems - Installation of new equipment systems
Applies to establishments engaged in the installation of plumbing lines for new water conditioning, purifying or softening systems. Establishments providing this type of service are not required to be a "licensed plumber" to do the installation; however, it does involve plumbing work. The installation involves cutting the water line between the water source and the building or home. The line is cut with a hacksaw, reciprocating saw, or copper tube cutter, depending on the type of pipe involved. After the line is cut, the water source is connected to the intake of the system and the building or home is connected to the outlet of the system with supply and return lines. The bypass unit will allow the water to remain hard for the outside faucet. A small rubber hose is installed under the house into the drain. Occasionally, a sump pump is needed. For plastic pipes, glue is used to seal the connections. On copper pipes, soldering equipment is used to secure the connections. Water softening is a process by which the water passes through a resin tank where calcium ions are exchanged for sodium ions, resulting in "soft" water. Periodically, the resin is recharged by "back flushing" with a saturated salt solution from another tank. Installations of this type include the two tanks, pressure regulators, valves, and in new facilities an automatic timer.
Special note: This classification allows for the service or repair of water softening or treatment systems to be reported separately in classification 0607 provided accurate time records are maintained which distinguishes new installation contract work from service or repair contract work.
0306-07 Hot water heater: Installation, service or repair
Applies to contractors engaged exclusively in the installation, service or repair of hot water heater units. Work contemplated by this classification includes removal of old units and the installation of new or replacement units. This includes activities such as disconnecting hot heater units, removal of plastic, copper or galvanized water pipes, installing or setting up new or replacement units, installing new pipes, cutting and/or threading pipe, soldering, welding or gluing all types of pipe, fittings or valves, filling and testing the new or replacement units, and wrapping hot water heaters with insulation blankets.
This classification excludes contractors engaged in all types of general plumbing work, or when the installation, service or repair of a hot water heater unit is performed as part of a general plumbing contract which is to be reported separately in classification 0306-00.
[WSR 07-01-014, recodified as § 296-17A-0306, filed 12/8/06, effective 12/8/06. Statutory Authority: RCW 51.16.035. WSR 98-18-042, § 296-17-512, filed 8/28/98, effective 10/1/98; WSR 96-12-039, § 296-17-512, filed 5/31/96, effective 7/1/96. Statutory Authority: RCW 51.04.020(1) and 51.16.035. WSR 93-12-093, § 296-17-512, filed 5/31/93, effective 7/1/93; WSR 91-12-014, § 296-17-512, filed 5/31/91, effective 7/1/91. Statutory Authority: RCW 51.16.035. WSR 85-24-032 (Order 85-33), § 296-17-512, filed 11/27/85, effective 1/1/86; WSR 85-06-026 (Order 85-7), § 296-17-512, filed 2/28/85, effective 4/1/85; WSR 83-24-017 (Order 83-36), § 296-17-512, filed 11/30/83, effective 1/1/84; WSR 82-24-047 (Order 82-38), § 296-17-512, filed 11/29/82, effective 1/1/83. Statutory Authority: RCW 51.04.030 and 51.16.035. WSR 79-12-086 (Order 79-18), § 296-17-512, filed 11/30/79, effective 1/1/80; Order 74-40, § 296-17-512, filed 11/27/74, effective 1/1/75; Order 73-22, § 296-17-512, filed 11/9/73, effective 1/1/74.]
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