N.Y.C. Admin. Code § PC 605: Section PC 605: Materials, Joints and Connections

605.1 Soil and ground water.

The installation of a water service or water distribution pipe shall be prohibited in soil and groundwater contaminated with solvents, fuels, organic compounds or other detrimental materials causing permeation, corrosion, degradation or structural failure of the piping material. Where detrimental conditions are suspected, a chemical analysis of the soil and ground water conditions shall be required to ascertain the acceptability of the water service or water distribution piping material for the specific installation. Where detrimental conditions exist, approved alternative materials or routing shall be required.

605.2 Lead content of drinking water pipe and fittings.

Pipe, pipe fittings, joints, valves, faucets, and fixture fittings utilized to supply water for drinking or cooking purposes shall comply with NSF 372 and shall have a weighted average lead content of 0.25 percent or less.

605.3 Water service pipe.

The water service pipe shall conform to one of the standards listed in the rules of the Department of Environmental Protection.

605.4 Water distribution pipe.

Water distribution pipe shall conform to NSF 61 and shall conform to one of the standards listed in Table 605.4.

Table 605.4 Water Distribution Pipe

Material

Standard

Brass pipe

ASTM B 43

Copper or copper-alloy pipe

ASTM B 42; ASTM B 302

Copper or copper-alloy tubing (Type K, L)

ASTM B 75; ASTM B 88; ASTM B 251; ASTM B 447

Ductile iron pipe

AWWA C151/A21.51; AWWA C115/A21.15

Stainless steel pipe (Type 304/304L)

ASTM A 312; ASTM A 778

Stainless steel pipe (Type 316/316L)

ASTM A 312; ASTM A 778

605.4.1 Underground water distribution pipe.

Underground water distribution pipe shall conform to NSF 61 and shall conform to one of the standards listed in Table 605.4.1.

Table 605.4.1 Underground Water Distribution Pipe

Material

Standard

Brass pipe

ASTM B 43

Copper or copper-alloy pipe

ASTM B 42; ASTM B 302

Copper or copper-alloy tubing (Type K)

ASTM B 75; ASTM B 88; ASTM B 251; ASTM B 447

Ductile iron water pipe

AWWA C151/A21.51; AWWA C115/A21.15

Stainless steel pipe (Type 304/304L)

ASTM A 312; ASTM A 778

Stainless steel pipe (Type 316/316L)

ASTM A 312; ASTM A778

605.5 Fittings.

Pipe fittings shall be approved for installation with the piping material installed and shall comply with the applicable standards listed in

Table 605.5

. Pipe fittings utilized in water supply systems shall also comply with NSF 61.

Table 605.5 Pipe Fittings

Material

Standard

Brass

ASTM B 62

Cast-iron

ASTM B 42; ASTM B 302

Copper or copper alloy

ASTM B 75; ASTM B 88; ASTM B 251; ASTM B 447

Gray iron and ductile iron

AWWA C151/A21.51; AWWA C115/A21.15

Stainless steel (Type 304/304L)

ASTM A 312; ASTM A 778

Stainless steel (Type 316/316L)

ASTM A 312; ASTM A 778

605.5.1 Mechanically formed tee fittings.

Mechanically extracted outlets shall have a height not less than three times the thickness of the branch tube wall.

605.5.1.1 Full flow assurance.

Branch tubes shall not restrict the flow in the run tube. A dimple serving as a depth stop shall be formed in the branch tube to ensure that penetration into the collar is of the correct depth. For inspection purposes, a second dimple shall be placed 1/4 inch (6.4 mm) above the first dimple. Dimples shall be aligned with the tube run.

605.5.1.2 Brazed joints.

Mechanically formed tee fittings shall be brazed in accordance with Section 605.14.1.

605.6 Flexible water connectors.

Flexible water connectors exposed to continuous pressure shall conform to ASME A112.18.6/CSA B125.6, shall not exceed 24 inches (610 mm), shall be used in exposed locations only and shall be used singularly; that is, two connectors cannot be joined.

605.7 Valves.

Valves shall be compatible with the type of piping material installed in the system. Valves shall conform to one of the standards listed in

Table 605.7

or shall be approved. Valves intended to supply drinking water shall meet the requirements of NSF 61.

Table 605.7 Valves

Material

Standard

Copper or copper-alloy

ASME A112.4.14; ASME A112.18.1/CSA B125.1; ASME B16.34; CSA B125.3; MSS SP-67; MSS SP-80; MSS SP-110

Gray iron and ductile iron

AWWA C500; AWWA C504; AWWA C507; MSS SP-67; MSS SP- 70; MSS SP-71; MSS SP-72; MSS SP-78

Stainless steel (Type 304/304L and 316/316L)

MSS SP-67; MSS SP-110

605.8 Manufactured pipe nipples.

Manufactured pipe nipples shall conform to one of the standards listed in

Table 605.8

.

Table 605.8 Manufactured Pipe Nipples

Material

Standard 

Brass-, copper-, chromium-plated

ASTM B 687

Stainless steel

ASTM A 403 / A 403M

605.9 Prohibited joints and connections.

The following types of joints and connections shall be prohibited:

1. Cement or concrete joints.

2. Joints made with fittings not approved for the specific installation.

3. Saddle-type fittings.

4. Removable press-connect fittings.

5. Removable push-fit fittings.

6. Nail-type fittings.

7. Compression type fittings for other than final fixture connections.

605.10 Reserved.

605.11 Brass.

Joints between brass pipe and fittings shall comply with Sections 605.11.1 through 605.11.3.

605.11.1 Brazed joints.

All joint surfaces shall be cleaned. An approved

flux shall be applied where required. The joint shall be brazed with a filler metal conforming to AWS A5.8.

605.11.2 Mechanical joints.

Mechanical joints shall be installed in accordance with the manufacturer's instructions and in conformance with acceptance criteria established by the commissioner.

605.11.3 Threaded joints.

Threads shall conform to ASME B1.20.1. Pipe-joint compound or tape shall be applied on the male threads only.

605.12 Gray iron and ductile iron joints.

Joints for gray and ductile iron pipe and fittings shall comply with AWWA C111 and shall be installed in accordance with the manufacturer's instructions.

605.13 Copper pipe.

Joints between copper or copper-alloy pipe and fittings shall comply with Sections 605.13.1 through 605.13.4.

605.13.1 Brazed joints.

All joint surfaces shall be cleaned. An approved flux shall be applied where required. The joint shall be brazed with a filler metal conforming to AWS A5.8.

605.13.2 Mechanical joints.

Mechanical joints shall be installed in accordance with the manufacturer's instructions and in conformance with acceptance criteria established by the commissioner.

605.13.3 Reserved.

605.13.4 Threaded joints.

Threads shall conform to ASME B1.20.1. Pipe-joint compound or tape shall be applied on the male threads only.

605.14 Copper tubing.

Joints between copper or copper-alloy tubing and fittings shall comply with Sections 605.14.1 through 605.14.6.

605.14.1 Brazed joints.

Joint surfaces shall be cleaned. An approved flux shall be applied where required. The joint shall be brazed with a filler metal conforming to AWS A5.8.

605.14.2 Flared joints.

Flared joints for water pipe shall be made by a tool designed for that operation.

605.14.3 Grooved and shouldered mechanical joints.

Grooved and shouldered mechanica

l joints shall comply with ASTM F 1476, shall be made with an approved elastomeric seal and shall be installed in accordance with the manufacturer's instructions. Such joints shall be exposed or concealed.

605.14.4 Mechanical joints.

Mechanical joints shall be installed in accordance with the manufacturer's instructions and shall be tested, designed and evaluated in accordance with IAPMO PS 117 and ASSE 1061.

605.14.5 Press-connect joints.

Press-connect joints shall conform to one of the standards listed in

Table 605.5

, and shall be installed in accordance with the manufacturer's instructions. Cut tube ends shall be reamed to the full inside diameter of the tube end. Joint surfaces shall be cleaned. The tube shall be fully inserted into the press-connect fitting. Press-connect joints shall be pressed with a tool certified by the manufacturer.

605.14.6 Solder joints.

Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to ASTM B 813 shall be applied. The joint shall be soldered with a solder conforming to ASTM B 32. The joining of water supply piping shall be made with lead-free solders and fluxes.

605.15 Reserved.

605.16 Reserved.

605.17 Reserved.

605.18 Reserved.

605.19 Reserved.

605.20 Reserved.

605.21 Reserved.

605.22 Reserved.

605.23 Stainless steel.

Joints between stainless steel pipe and fittings shall comply with Sections 605.23.1 through 605.23.3.

605.23.1 Mechanical joints.

Mechanical joints shall be installed in accordance with the manufacturer's instructions and in conformance with acceptance criteria established by the commissioner.

605.23.2 Welded joints.

All joints shall be welded in accordance with ASME B31.9, inspected and tested in accordance with Section

312

.

605.23.3 Grooved and shouldered mechanical joints.

Grooved and shouldered mechanical joints shall comply with ASTM F 1476, shall be made with an approved elastomeric seal and shall be installed in accordance with the manufacturer's instructions. Such joints shall be exposed or concealed.

605.24 Joints between different materials.

Joints between different piping materials shall be made with a mechanical joint of the compression or mechanical-sealing type, or as permitted in Sections 605.24.1 and 605.24.3. Joints shall be installed in accordance with the manufacturer's instructions and in conformance with acceptance criteria established by the commissioner.

605.24.1 Copper or copper-alloy tubing to galvanized steel pipe.

Joints between copper or copper-alloy tubing and galvanized steel pipe shall be made with a brass fitting or dielectric fitting or a dielectric union conforming to ASSE 1079. The copper tubing shall be soldered to the fitting in an approved manner, and the fitting shall be screwed to the threaded pipe.

605.24.2 Reserved.

605.24.3 Stainless steel.

Joints between stainless steel and different piping materials shall be made with a mechanical joint of the compression or mechanical sealing type or a dielectric fitting or a dielectric union conforming to ASSE 1079.

605.25 Reserved.