NPCP 8 indirect waste piping,wet vent system and special waste

No evaporative cooler, air washer or similar air conditioning equipment shall have any ____ in connection therewith, directly connected to any soil, waste and vent pipe.

• drain pipe

• vent pipe

Cooling and air-conditioning equipment may be separated by an airbreak, but all food equipment shall be separated from the drainage system by a ____

• full airgap

• full airbreak

The airgap for drainage shall be not less than ____ between the plumbing fixture, appliance or appurtenance outlet and the rim of the floor sink or receptor.

• 25 mm

• 50mm

No plumbing fixtures served by indirect waste pipes or receiving discharge therefrom shall be installed until first approved by the _____

• Administrative Authority.

• City Health

No Vent from indirect waste piping shall combine with any ____ connected vent, but shall extend separately to the outside air.

• excreta

• traps

Indirect waste pipes exceeding 1.5 meters but less than 4.6 meters length shall be directly trapped, but such traps need ____

• not be vented

• vented

Angles and changes of direction in such indirect waste pipes shall be provided with _____ to permit flushing and cleaning.

• cleanouts

• traps

No standpipe receptor for any clothes washer shall extend more than ______ above its trap.

• 0.8 meter nor less than 0.45 m

• 0.6 meter nor less than 0.3 m

No trap for any clotheswasher standpipe receptor shall be installed below the floor, but shall be roughed no less than ______ above the floor.

• 15 mm and not more than 45 mm

• 30 mm and not more than 60 mm

No indirect waste receptor shall be installed in any toilet room, closet, cupboard or storeroom nor in any other portioin of a building not for general use by the occupants thereof,

except that standpipes for clothes washer may be installed in toilet and bathroom areas when the clothes washer is _____

• installed in the same room

• not installed in the same room