NPCP 14 quality and weights

All materials used in any plumbing or drainage system, or part thereof shall he _____

• free from defects.

• quality and tested

Each length of pipe, fitting, trap, fixture and device used in a plumbing or drainage system shall be integrally embossed, etched, stamped or indelibly marked with the weight or quality thereof and with the maker's logo or name, when such markings are required by the approved applicable standard.

• Label, Cast or Stamped

• Standards Quality

Iron, steel, brass and copper pipes shall be _____ with the appropriate weight.

• iron pipe size (I.P.S.)

• rigid type

Copper tubes for underground and above ground drainage and vent pipings shall have a weight of _____ that of copper drainage tube, Type Drainage Waste & Vent (DWV) specification

• not less than

• not more than

_____ shall not be used for piping carrying chemical or industrial wastes

• Copper tube

• PVC pipe

Copper tube for water supply piping shall have a weight of not less than ____

• Type "L"

• Type "k".

Exception:

______ tubing may be used for water piping when piping is above wound inside or a top a building, or underground outside of structure with outside protective coating.

• Type M copper

• Type K copper

ln addition to the required incised marking, all hard drawn copper tubing shall be marked by means of a continuous and indelibiy colored stripe at least 6.4 in width, as follows:

Type K,-green , Type L,-blue , Type M- red , Type DWV-____

• yellow

• black

Lead bends and lead traps shall not be less than____ in wall thicknes .

• 3.2 mm

• 2.2 mm

Each such closet ring or closet flange shall be approximately ____ in diameter and, when installed, shall together with the soil pipe, present a 38 mm wide flange and a groove face to receive the fixture gasket or ball wax.

• 178 mm

• 150mm