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CHAPTER 1: ELEMENTS OF PLUMBING PLUMBING Plumbing the art and technique of installing pipes, fixtures, and other apparatuses in buildings for bringing. document, for review, data, plumbing, law, book, free, pdf, building code. Files Name | Revised National Plumbing Code Of The Philippines PDFREVISED NATIONAL PLUMBING CODE OF THE PHILIPPINES PDF Download: Revised.

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History of Plumbing Practice The birth of the plumbing profession in the Philippines is traced back to the 17th century. The CITY known as Intramuros. NATIONAL PLUMBING CODE OF THE PHILIPPINES Question Excerpt From NATIONAL PLUMBING CODE OF THE PHILIPPINES Q.1) “Size of water piping. The basic goal of the National Plumbing Code of the Philippines is to ensure the.

All designs and constructions and workmanships shall be in conformity with accepted engineering practices. Forgot your password? Speak now. Training Maker Discuss. Survey Maker Flashcards See All. Jan 23, Please take the quiz to rate it.

Log In Sign Up. Saivan Valendez. Baptismal shrine D. Sacrarium Q. If two or more lines supply one outlet, the effective opening shall be the sum Q. Stiff aluminum or wooden backing B. Strainers serving bathub B. Strainers serving shower C. Strainers serving lavatory D. Couplings and compression joints B. Hubless or compression gasket joints C.

Caps and plugs D. DILG C. DPWH D. DENR a physical separation, which may be a low inlet into the indirect waste receptor from the fixture, Q. Horizontal drainage lines connecting to other horizontal drainage lines shall enter through the Q. CEBU Q. All sanitary wastes must be excluded.

VENT SYSTEM- the piping system that receives a flow or air to or from a drainage system or to provide a circulation of air within such system to protect trap seals from siphonage or back pressure. The piping must be air tight, gas tight and water tight. Each plumbing fixture, except those with integral traps, shall be separately trapped by an approved type water seal trap. This is to prevent odor-laden and germ-laden to rise out of the drainage system and contaminate the surrounding air in the room.

Each plumbing fixture trap shall be provided with vent pipes. This is to protect the drainage system against siphonage and back pressure and to assure air circulation throughout the drainage system. A cleanout, easily accessible, shall be provided for inspection or cleaning of the pipe run.

The location of the cleanout shall be: All horizontal piping shall be supported and anchored at intervals not to exceed 3 meters. Vertical piping shall be secured at sufficiently close intervals to keep the pipe in alignment. Stacks shall be properly supported at their bases. SOIL PIPE- any pipe which conveys the discharge of water closet, urinal or fixtures having similar functions, with or without the discharges from other fixtures to the building drain or building sewer.

VENT PIPE - used for ensuring the circulation of air in a plumbing system and for relieving the negative pressure exerted on trap seals.

VENT STACK- the vertical vent pipe installed primarily for providing circulation of air to and from any part of the soil, waste of the drainage system. SEPTIC TANK- A watertight covered receptacle designed and constructed to receive the discharge of sewage from a building sewer, separate solids from the liquid, digest organic matter and store digested solids the clarified liquids to discharge for final disposal.

TRAP- A fitting or device designed and constructed to provide, when properly vented, a liquid seal which prevents the backflow of foul air or methane gas without materially affecting the flow of sewage or waste water through it.

Cast iron 2. Ductile iron 3. Galvanized steel shall not be used underground. Kept at least mm above ground 4. Galvanized wrought iron shall not be used underground. Kept at least mm above ground 5. Lead 6. Copper 7. Brass 8. Series , pvc, dmv 9. Extra strength vitrified clay pipe shall not be used above ground. At least mm below finish ground level. Approved material having smooth and uniform bore NOTE: Copper tube, type DWV Sch.

BLDG 1. Shall be of stronger pipe materials to resist the high hydrostatic pressure.

Revised Plumbing Code of the Philippines.pdf

Copper 3. ABS 2. Cast brass 3. Cast iron 4. Lead 5. PVC Figure 2- The function of the trap and one of the several functions of a vent preventing siphonage.

National Plumbing Code Of The Philippines, Revised Edition () - ProProfs Quiz

See figure 3. Five 5 Cause of Trap Seal Loss 1. Siphonage- The withdrawal of a liquid from a trap due to a suction caused by liquid flow in a pipe. Direct Self- siphonage b. Indirect or Momentum Siphonage 2. Back Pressure- pressure developed in opposition to the flow of liquid in a pipe due to friction, gravity or some other restriction to flow of the conveyed fluid. Excessive pressure at the lowest branch causing trap seal to look for opening. Evaporation- Occurs when a fixture is not used for a long time.

A Deep seal is the best solution but clogs the pipe due to accumulated solid wastes. Capillary Attraction- foreign objects in the traps absorbing trap seal 5. Wind Effects- strong winds through the vent system forcing water out of the trap SUPPORTS- are devices for holding and securing pipes and fixtures to walls, ceiling, floors or structural members.

Supports include hangers, anchors, brackets, and cradles. Evaporative cooler 2. Air Washer 3. Air Conditioner 4. Cold Storage Room 5. Refrigerator 6. Cooling Counter 7. Food and Drinks Storage 8. Building Sewer- That part of the horizontal piping of a drainage system which system which extends from the end of the building and which receives the discharge of the building drain and conveys it to the public sewer, private sewer, individual sewage disposal system or other point of disposal.

Building drain- the part of the lowest horizontal piping of a plumbing system which receives the discharge from soil, waste and other drainage pipes inside of a building and conveys it to the house sewer. Sewage Disposal System. A system for the treatment and disposal of domestic sewage by means of a septic tank, cesspool, or mechanical treatment, all designed to serve a single establishment, development or building.

The drainage piping system contains fittings that serve as drains, traps and vents. Drains- fittings used for draining fluid from point of use to the piping system. Traps- fittings or device designed and constructed to provide a liquid seal which prevent the back passage of air without materially affecting the flow of sewage or water through it.

Vents-pipes and fittings installed in the system to provide air circulation so as to protect trap seals from siphonage and back pressure. Back flow valve b. Flow control valve c. Back Flow Valve- Device that prevents the reversal of flow which might flood and cause damage to the building. Minimum height of 89mm required from cover of grease trap to bottom of fixtures served.

National Plumbing Code Of The Philippines, Revised Edition (1999)

Grease trap is not required for individual dwelling units or for any private living quarters. No food waste disposal unit shall be connected to or discharged into any grease trap.

Main soil and waste vent 2. Main vent 3. Individual vent or back vent 4.

Unit vent 5. Circuit vent or loop vent 6. Relief vent 7. Yoke vent 8. Wet vent 9. Looped vent Utility vent Individual vent or back vent. The portion of the vent pipe system which serves a single fixture.

Main soil and waste vent.

The portion of soil stack pipe above the highest installed fixture branch extending through the roof. Main vent. The principal portion of the vent pipe system to which vent braches may be connected. It serves as a collecting vent line. Unit vent. The portion of the vent pipe system which ventilates two fixture of similar design installed on opposite sides of a partition.

The vent stack is installed between the 2nd and 3rd fixture as a precaution. In the case the soil branch becomes clogged, the 3rd fixture scours the pipe of fecal waste which may obstruct the vent.

Circuit vent or loop vent. The portion of the drainage system which ventilates two or more fixture traps that discharge into a soil or waste branch. METER 2 minutes The portion of the vent pipe installation that permits additional circulation of air around the drainage pipes to eliminate back pressure and retardation of waste flow.

Labor Code of the Philippinespdf. Revised National Plumbing Code of the Philippines. The Revised Penal Code of the Philippines. Special shower compartments for wheelchair use may eliminate the The minimum distance between the door to the drain opening?

Air test shall be made by attaching an air compressor testing apparatus. How is it done? Hot and cold water supply systems shall be tested under what water pressure? What is the value of b,d,f,h? Backflow prevention device; consists of a body , a checking member and an atmospheric opening.

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Backflow prevention device; consists of loaded air inlet valve ,internally loaded check valve, two properly located test cocks and two isolation gate valves. Backflow prevention device; consists of two independently acting internally loaded check valves, a differential pressure relief valve , four properly located test cocks and two isolation gate valves.

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