604.0 Materials.604.1 Pipe, Tube, and Fittings.

Pipe, tube, fittings, solvent cement, thread sealants, solders, and flux used in potable water systems intended to supply drinking water shall comply with NSF 61. Where fittings and valves are made from copper alloys containing more than 15 percent zinc by weight and are used in plastic piping systems, they shall be resistant to dezincification and stress corrosion cracking in compliance with NSF 14.

Materials used in the water supply system, except valves and similar devices, shall be of a like material, except where otherwise approved by the Authority Having Jurisdiction.

(3) The worker safety training elements of their

Injury and Illness Prevention Plan meet the Department of Industrial Relation’s guidelines. (f) Findings of Compliance. The building official shall not give final permit approval of any CPVC plumbing materials installed pursuant to Section 604.1.1 unless he or she finds that the material has been installed in compliance with the requirements of this code and the manufacturer’s installation instructions. (g) Penalties. Any contractor or subcontractor found to

have failed to comply with the flushing, ventilation,

Materials for building water piping and building supply piping shall comply with the applicable standards referenced in Table 604.1. Exception: [OSHPD 1, 1R, 2, 3, 4 & 5] Use of CPVC is not permitted for applications under authority of the Office of Statewide Health Planning and Development.

604.1.1 Local Authority to Approve CPVC Pipe Conditions. [HCD 1 & HCD 2] Within Residential Buildings Under Specified The local responsible building official of any city, county, or city and county,

(g) Penalties. Any contractor or subcontractor found to

have failed to comply with the flushing, ventilation, and glove requirements of this code and the manu- facturer’s installation instructions shall be subject to the penalties in Health and Safety Code, Division 13, Part 1.5, Chapter 6 (Section 17995 et seq.). In addition, if during the conduct of any building inspection the building official finds that the venti- lation and glove requirements of this code, are being violated, such building officials shall cite the con- tractor or subcontractor for that violation. (h) Special Requirements for CPVC Installation

within Residential Structures. In addition to the

Special Requirements for CPVC Installation

within Residential Structures. In addition to the other requirements in the California Plumbing

2019 CALIFORNIA PLUMBING CODE 143

WATER SUPPLY AND DISTRIBUTION any other purpose or distributed to any other persons or parti es.

TABLE 604.1 MATERIALS FOR BUILDING SUPPLY AND WATER DISTRIBUTION PIPING AND FITTINGS

2 For brazed fittings only. 3 When PEX tubing is placed in soil and is used in potable water systems intended to supply drinking water to fixtures or appliances, the tubing or piping shall be sleeved with a material approved for potable water use in soil or other material that is impermeable to solvents or petroleum products. 4 PEX tubing shall meet or exceed the requirements of ASTM F876-2015a or an equivalent or more stringent standard when used in continuously recircu- lating hot water systems and the PEX tubing is exposed to the hot water 100% of the time. 5 [For BSC, DSA-SS, DSA-SS/CC & HCD] The use of PEX-AL-PEX in potable water supply systems is not adopted.

able to solvents or petroleum products._ 4 PEX tubing shall meet or exceed the requirements of ASTM F876-2015a or an equivalent or more stringent standard when used in continuously recircu- lating hot water systems and the PEX tubing is exposed to the hot water 100% of the time. 5 [For BSC, DSA-SS, DSA-SS/CC & HCD] The use of PEX-AL-PEX in potable water supply systems is not adopted.

Code, all installations of CPVC pipe within resi- dential structures shall meet the following: (i) Flushing Procedures. All installations of CPVC pipe within residential structures shall be flushed twice over a period of at least one (1) week. The pipe system shall be first flushed

for at least 10 minutes and then filled and allowed to stand for no less than 1 week, after which all the branches of the pipe system must be flushed long enough to fully empty the con- tained volume. At the time of the fill, each fix- ture shall have a removable tag applied stating:

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WATER SUPPLY AND DISTRIBUTION

“This new plumbing system was first filled on (date) by (name). The California Department of Housing and Community Development requires that the sys- tem be flushed after standing at least one week after the fill date specified above. If the system is used earlier than one week after the fill date, the water must be allowed to run for at least two minutes prior to use for human consumption. This tag may not be removed prior to flushing, except by the home- owner.” (ii) Worker Safety Measures. Mechanical ventila-

tion sufficient to maintain exposures below the

system is used earlier than one week after the fill date, the water must be allowed to run for at least two minutes prior to use for human con- sumption. This tag may not be removed prior to the completion of the required second flushing, except by the building owner or occupant.” (2) Prior to issuing a building permit to install PEX

pipe, the building official shall require as part of the

Worker Safety Measures. Mechanical ventila-

tion sufficient to maintain exposures below the relevant exposure limits established by state regulation shall be provided in enclosed spaces. This ventilation shall be directed at the breath- ing zone of the worker installing the pipe. Where mechanical ventilation is not practical, respirators, suitable for organic vapors, shall be used. For the purpose of this subdivision, an enclosed space is defined as: (1) A space less than 100 square feet of floor

area under a ceiling with a height of 10 feet

(2) Prior to issuing a building permit to install PEX

pipe, the building official shall require as part of the permitting process that the contractor, or the appro- priate plumbing subcontractors, provide written cer- tification that he or she will comply with the flushing procedures set forth in the code. (3) The building official shall not give final permit

approval of any PEX plumbing installation unless

(3) The building official shall not give final permit

approval of any PEX plumbing installation unless he or she finds that the material has been installed in compliance with the requirements of the code, including the requirements to flush and tag the sys- tems. (4) Any contractor or subcontractor found to have

failed to comply with the PEX flushing requirements

(1) A space less than 100 square feet of floor

area under a ceiling with a height of 10 feet or less, and which does not have openings (consisting of doors, windows, or unfin- ished walls) on at least two sides; (2) Crawl spaces having a height of less than

three feet;

(2) Crawl spaces having a height of less than

three feet; (3) Enclosed attics that have a roof and ceil-

ing; or

(3) Enclosed attics that have a roof and ceil-

ing; or (4) Trenches having a depth greater than 24

inches.

(4) Any contractor or subcontractor found to have

failed to comply with the PEX flushing requirements shall be subject to the penalties in Health and Safety Code, Division 13, Part 1.5, Chapter 6 (Section 17995, et seq.).