815 KAR 20:060. Quality and weight of materials.

 

      RELATES TO: KRS 318.130, 318.150, 42 U.S.C. 300g-6(d)(2)

      STATUTORY AUTHORITY: KRS 198B.040(10), 318.130

      NECESSITY, FUNCTION, AND CONFORMITY: KRS 318.130 requires the department to promulgate an administrative regulation establishing the Kentucky State Plumbing Code to regulate plumbing, including the quality and weight of material. This administrative regulation establishes the manufacturer's specification number for the quality and weight of material that shall be used in the installation of plumbing systems and establishes minimum specifications for the intended use.

 

      Section 1. Definitions. (1) "ASME" means the American Society of Mechanical Engineers.

      (2) "CISPI" means the Cast Iron Soil Pipe Institute.

      (3) "Lead" means solders and flux containing more than two-tenths (0.2) percent lead and the wetted surfaces of pipes, pipe fittings, plumbing fittings, and fixtures containing more than a weighted average of 0.25 percent lead as calculated according to the formula established in 42 U.S.C. 300g-6(d)(2).

 

      Section 2. Quality of Materials. The material used in a drainage or plumbing system or part of a system shall be free of defects.

 

      Section 3. Label, Cast, or Stamped. Each length of pipe, fitting, trap, fixture, or device used in a plumbing or drainage system shall be stamped or indelibly marked with the:

      (1) Weight or quality; and

      (2) Maker's mark or name (manufacturer's specification number).

 

      Section 4. Vitrified clay pipe, concrete pipe, truss pipe, and extra heavy SDR 35 sewer piping shall be produced, labeled, and used only as established in subsections (1) through (4) of this subsection. (1) Vitrified clay pipe shall be as established in ASTM C-700.

      (2) Concrete pipe shall be as established in ASTM C-14.

      (3)(a) Except as established in paragraph (b) of this subsection, truss pipe shall be as established in ASTM D-2680.

      (b) Solid wall truss pipe shall be as established in ASTM D2751.

      (4) Extra heavy SDR 35 sewer piping shall be as established in ASTM D-3033-74 and D-3034-74.

 

      Section 5. Cast-iron Pipe. (Hub and Spigot and No-hub). (1) Extra heavy. Extra heavy cast-iron pipe and fittings shall be produced and labeled as ASTM A74.

      (2) Service-weight. Service-weight cast-iron pipe and fittings shall be produced and labeled as ASTM A74 and C1563.

      (3) No-hub cast-iron and fittings shall be produced and labeled ASTM 888 or CISPI 301.

      (4) No-hub couplings shall be produced and labeled as ASTM C1277, C564, C1563, or CISPI 310.

      (5) Coating. Cast-iron pipe and fittings for underground use shall be coated with:

      (a) Asphaltum;

      (b) Coal tar pitch; or

      (c) A coating produced and labeled as ASTM A743.

 

      Section 6. Wrought-iron Pipe. All wrought-iron pipe shall be produced and labeled with the latest ASTM "specifications for welded wrought iron pipe".

 

      Section 7. Mild-steel Pipe. Steel pipe shall be produced and labeled with the latest ASTM "specifications for welded and seamless steel pipe".

 

      Section 8. Brass Pipe; Copper Pipe; and Brass Tubing. Brass pipe, copper pipe, and brass tubing shall be produced and labeled with the latest specifications of ASTM for "brass pipe, copper pipe, and brass tubing, standard sizes".

 

      Section 9. Borosilicate Pipe, Plastic Pipe, Stainless Steel Tubing, Polyethylene Pipe, and Polypropylene Pipe. (1) Borosilicate pipe. Borosilicate pipe shall be produced and labeled with the latest ASTM specifications.

      (2) Plastic pipe. All plastic piping used in a drainage, waste, and vent system shall be:

      (a) Schedule 40 or 80, Type 1, Grade 1, polyvinyl chloride produced and labeled as ASTM D1784;

      (b) Cellular core PVC produced and labeled ASTM F-891;

      (c) Schedule 40 or 80 acrylonitrile-butadiene-styrene produced and labeled as ASTM D2661; or

      (d) Cellular core ABS produced and labeled as ASTM F-628.

      (3) Pipe and fittings shall be produced and labeled in accordance with the provisions of ASTM-D-2665, as amended, for PVC and ASTM-D-2661 for ABS, and both shall bear the National Sanitation Foundation seal of approval.

      (4) Copies of National Sanitation Foundation specifications for the manufacture of products identified in this administrative regulation may be obtained by writing the National Sanitation Foundation (NSF), 3475 Plymouth Road, P.O. Box 1468, Ann Arbor, MI 48106.

      (5) All pipe and fittings shall bear the ASTM designation together with the NSF seal, the manufacturer's identification, and the size.

      (6)(a) Except as established in paragraph (b) of this subsection, the use of plastic pipe and fittings (PVC or ABS) shall be limited to buildings in which the plumbing system does not exceed forty-five (45) feet in height, measured from the grade plane, and continuing through the vertical distance of the building to a maximum height of forty-five (45) feet.

      (b) Plastic pipe and fittings may be installed in a building in which the plumbing system exceeds forty-five (45) feet in height if the installation complies with all of the requirements established in subparagraphs 1. through 3. of this paragraph.

      1. The use of PVC and ABS piping shall be limited to schedule 40 or 80 produced and labeled as ASTM D2665 and D1784 for PVC piping and ASTM D2661 for ABS piping.

      2. The installation of the plastic pipe and fittings (PVC or ABS) shall be made in compliance with the manufacturer’s recommendations, which shall be made available to the inspector.

      3. Firestop systems shall be inspected in accordance with ASTM E2174 by an approved inspection agency.

      (7) Stainless steel tubing.

      (a) Stainless steel tubing for hot and cold water piping shall be produced and labeled either as ASTM A269 or ASTM A312.

      (b) Stainless steel tubing for the soil, waste, and vent system shall be 316L produced and labeled as ASME A112.3.1.

      (8) Polyethylene pipe used in acid waste systems shall be produced and labeled as ASTM D-1204.

      (9) Polypropylene pipe used in acid waste systems shall be produced and labeled as ASTM D-4101 or ASTM F-1412.

 

      Section 10. Lead Pipe, Diameter, Weights. (1) Lead soil, waste, and vent pipe shall be produced and labeled as Federal Specifications WW-P-325 and shall not be lighter than the weights established in the following table:

Size

Inside Diameter Inches

Commercial Designation "D" or "XL"

Wall Thickness Inches

Weight Pounds

Per Foot Ounces

1 1/2

D

XL

0.138

3

8

2

D

XL

0.142

4

12

3

D

XL

0.125

6

0

4

D

XL

0.125

8

0

      (2) Lead bends and lead traps. All lead bends and lead traps shall be of the weight known as extra heavy (XH) and shall have at least one-eighth (1/8) inch wall thickness.

 

      Section 11. Integral Flashing. If a roofing system requires integral flashing, a flashing material, which is part of the manufactured roofing system and required by the roofing manufacturer to guarantee or warranty the roofing system, shall be used.

 

      Section 12. Sheet Lead. Sheet lead for a shower pan shall not weigh less than four (4) pounds per square foot and shall not weigh less than two and one-half (2 1/2) pounds per square foot for vent pipe flashings.

 

      Section 13. Sheet Copper or Brass. Sheet copper or brass shall not be lighter than No. 18 B. & S. gauge, except local and interior ventilating pipe shall not be lighter than No. 26 B. & S. gauge.

 

      Section 14. Threaded Fittings. (1) A plain screw fitting shall be either cast-iron, malleable iron, or brass of standard weight and dimension.

      (2) A drainage fitting shall be either cast-iron, malleable iron, or brass, with smooth interior waterway, with threads tapped out of solid metal.

      (3) A cast-iron fitting used in a water supply distribution shall be galvanized.

      (4) A malleable iron fitting shall be galvanized.

 

      Section 15. Caulking Ferrules. A caulking ferrule shall be of red brass and shall be in accordance with the following table:

Pipe Sizes

Inches

Inside Diameter Inches

Length

Inches

Minimum

Weight Each

2

2 1/4

2 1/2

1 lb. 0 oz.

3

3 1/4

4 1/2

1 lb. 12 oz.

4

4 1/4

4 1/2

2 lb. 8 oz.

 

      Section 16. Soldering Nipples. A soldering nipple shall be recessed red cast brass, iron pipe size. If cast, they shall be full bore and of minimum weight.

 

      Section 17. Floor Flanges for Water Closets and Service Sinks or Similar Fixtures. (1) A floor flange shall either be:

      (a) Hard lead;

      (b) Brass;

      (c) Cast iron;

      (d) Galvanized malleable iron;

      (e) ABS; or

      (f) PVC.

      (2) A hard lead or brass flange shall not be less than one-eighth (1/8) inch thick.

      (3) Cast iron or galvanized malleable iron shall:

      (a) Not be less than one-fourth (1/4) inch thick; and

      (b) Have a two (2) inch caulking depth.

 

      Section 18. Use of Lead. (1) Lead shall not be used in the installation or repair of a public or private water system providing potable water for human consumption.

      (2) This section shall not apply to:

      (a) Pipes, pipe fittings, plumbing fittings, or fixtures, including backflow preventers, that are used exclusively for nonpotable services such as manufacturing, industrial processing, irrigation, outdoor watering, or any other uses in which the water is not anticipated to be used for human consumption; or

      (b) Toilets, bidets, urinals, fill valves, flushometer valves, tub fillers, shower valves, service saddles, or water distribution main gate valves that are two (2) inches in diameter or larger.

 

      Section 19. New Materials. (1) Materials other than those established in this administrative regulation shall be prohibited unless the material is specifically approved by the State Plumbing Code Committee and the department as being equal to or better than the material specified in the State Plumbing Code.

      (2) It shall be the responsibility of any person or company seeking the approval of a material not included in this code to prove that the material is equal to or better than the material that it is intended to replace.

      (3) Procedural requirements for approval of new parts and materials are established in 815 KAR 20:020. (Recodified from 401 KAR 1:030, 7-5-1978; Am. 5 Ky.R. 160; eff. 10-4-1978; 6 Ky.R. 133; 384; eff. 1-2-1980; 8 Ky.R. 359; eff. 1-6-1982; 14 Ky.R. 1123; eff. 1-4-1988; 15 Ky.R. 601; 970; eff. 9-28-1988; 17 Ky.R. 2882; eff. 5-3-1991; 18 Ky.R. 2720; eff. 4-3-1992; 19 Ky.R. 999; 1385; eff. 12-8-1992; 27 Ky.R. 1902; 2794; eff. 3-22-2001; TAm eff. 8-9-2007; 35 Ky.R. 2586; 36 Ky.R. 83; eff. 7-29-2009; 41 Ky.R. 169; eff. 9-24-2014; 42 Ky.R. 127; 1193; eff. 11-6-2015; 43 Ky.R. 621; eff. 1-6-2017.)