NPCP Appendex

for flush tank supplies, the available pressure may not be less than____

• 55.16 KPA

• 66.16 KPA

the highest group og the fixture contains flushometer valves, the pressure for the group should not be less than______

• 103.42 Kpa

• 113.42 Kpa

Where permitted by the rules and regulations of the Department of Environment and Natural Resources (DENR), the building sewer may be connected to a____

• private sewage disposal System

• public sewage disposal System

When disposal fields are installed, a minimum of ____ of trench bottom shall be provided for each system exclusive of any hard pan, rock, clay. or other impervious formations.

• 14 square meter

• 12 square meter

No excavation for a leach line or leach bed shall extend within____ of the water table nor to a depth where sewage may contaminate the underground water stratum that is usable for domestic purposes.

• I.5 m

• 2.0 m

Septic tanks shall have a minimum of____ compartments.

• two (2)

• three (3)

where leaching beds are permitted in lieu of trenches, the area of each such bed shall be at least_____ greater than the tubular requirements for trench

• fifty (50) percent

• one hundred (100) percent

Exceptions:

In areas where the records or data indicate that the ground waters are grossly degraded, the _____ separation requirement may be reduced by the Administrative Authority

• 3 meter

• 6 meter

_____for all septic tanks shall be submitted to the Administrative Authority for approval. Such plans shall show all dimension, reinforcing, structural calculations, and such other pertinent data as may be required

• Plans

• building specification

shall be constructed of solid durable materials, not subject to excessive corrosion or decay and shall be watertight

• Septic tanks

• Trench