Section 71Republic Act No. 123 shall be applied and enforced., Sec./Art. 71

Definition of Terms As used in this Chapter, the following terms shall mean:

(a) Public sewerage system A system serving twenty-five persons or more.

(b) Septic tank A water tight receptacle which receives the discharge of a plumbing system or part thereof, and is designed to accomplish the partial removal and digestion of the suspended solid matter in the sewage through a period of detention. Its construction shall be in accordance with specifications prescribed in this Chapter.

(c) House sewer The pipe line conveying sewage from the house or building to the septic tank or to any point of discharge.

(d) Septic tank absorption bed or drain field An underground system of pipes leading from the outlet of the septic tank, consisting of open-jointed or perforated pipes so distributed that the effluent from a septic tank is oxidized and absorbed by the soil.

(e) Effective capacity of a septic tank The actual liquid capacity of a septic tank as contained below the liquid level line of the tank.

(f) Effective depth of a septic tank The actual liquid depth of a septic tank as measured from the inside bottom of the septic tank to the liquid level line.

(g) Freeboard or air space of a septic tank The distance as measured from the liquid level line to the inside top of the septic tank.

(h) Distribution box A small concrete receptacle between the septic tank and the drain field from which lines of drain tile extends and which acts as surge tank to distribute the flow of sewage equally to each line of drain tile.

(i) Approved excreta disposal facilities shall mean any of the following:

1. Flush toilets properly connected to a community sewer;

2. Flush toilets connected to a septic tank constructed in accordance with this Chapter;

3. Any approved type pit privy built in accordance with this Chapter; and

4. Any disposal device approved by the Secretary or his duly authorized representative.

(j) Privy A structure which is not connected to a sewerage system and is used for the reception, disposition and storage of feces or other excreta from the human body.

(k) Septic privy where the fecal matter is placed in a septic tank containing water and connected to a drain field but which is not served by a water supply under pressure.

(l) Box and can privy A privy where fecal matter is deposited in a can bucket which is removed for emptying and cleaning.

(m) Concrete vault privy A pity privy with the pit line with concrete in such manner as to make it water tight.

(n) Chemical privy A privy where fecal matter is deposited into a tank containing a caustic chemical solution to prevent septic action while the organic matter is decomposed.