PLUMBING CODE

• Copper, Cylindrical Conduit, Brass, ABS, PB, PE, PVC, Blue Water, Gray, Orange, Brown Waste, Bell or Hub, B & S, Brown and Sharpe, Bell and Spigot, Hubless Pipe, Cast Iron Soil Pipe with Plain Ends, Bolted Stainless Steel Bar and Neoprene Gaskets, Bending Pin, Blank Flange, Blind Flange, Cap, Double bend fitting, Double offset, Offsets, Ferrule, Dead end, Durham system, Sovent system, Imhoff tank, Return bend, Tail piece, Tapped tee, Lateral, Branch interval, Fixture Branch, Horizontal Branch, Brazed joint, Caulking / Calking / Plugging, Oakum.
• A Bathtub is a tub for bathing, usually a fixed plumbing installation designed for 1 person, available in left outlet and right outlet.
• There are two types of water closet as to installation: Free Standing or Floor Mounted and Wall Hung or Wall Mounted.
• Water closet center to side wall: minimum of 0.375 m.
• A Bidet is a plumbing fixture used for washing the middle part of the body, especially the genitals, also known as Sitz Bath, used in tandem with the one-piece water closet or in integrated with the close-coupled water closet.
• Elongated Front is more comfortable but occupies a larger space.
• A Lavatory is a fixture designed for the washing of the hands or face, also known as a Wash Basin.
• The minimum area and dimension shall be maintained from a point above the shower drain outlet to a height of 1.78 meters with no protrusions other than the fixture valve or valves, shower head and safety grab bars or rails.
• Water closet center to WC center: minimum of 0.75 m.
• Water closet bowls for public use shall be the elongated type.
• Thresholds shall accommodate a minimum 559 mm wide door.
• All shower compartments, regardless of shape, shall have a minimum finished interior area of 0.6 square meter, and shall also be capable of encompassing a 762 mm diameter circle.
• For wheelchair use, dam or curb may be eliminated.
• A Shower Bath is an apparatus for spraying water on the body, usually from above, with a drain through the shower bath floor drain.
• The 4 types of Lavatory are: Wall Hung Lavatory, Pedestal Lavatory, Counter Type Lavatory a, Overcounter or Counter top b, Undercounter.
• A Receptor floor shall drain not less than 2% or more than 4% slope.
• Driven pipes shall have at least one pipe size larger than the pipe to be laid.
• A fixture unit is an arbitrary quantity in terms of which the load-producing effects or water requirements on the plumbing system of different kinds of plumbing fixtures are expressed in some arbitrarily chosen scale.
• Plumbing fixtures are approved-type installed receptacles, devices or appliances supplied with water or liquid-borne wastes and discharge such wastes into the drainage system to which they may be directly or indirectly connected.
• Trenches shall be back-filled in thin layers of 0.3m above the top of the pipe with clean earth which shall not contain stones, boulders, cinders or other materials which can damage or break the pipes or cause corrosive action.
• One fixture unit is equivalent to a rate of flow at 28.3 liters per minute (1 cubic feet per minute) or (7.5 gpm).
• A water supply fixture unit (WSFU) is a numerical weighing factor to account for the water demand of various plumbing fixtures, using the lavatory for private use as equivalent to 1 WSFU.
• Industrial or commercial tanks, vats & similar processing equipment are not plumbing fixtures, but may be connected to or discharge into approved traps or plumbing fixtures as approved for in this Code.
• A drainage fixture unit (DFU) is a numerical weighing factor to account for the probable discharge into the plumbing drainage system by various types of plumbing fixtures, using the single lavatory as equivalent to 1 DFU.
• Plastic pipe shall be supported at every one-meter interval.
• Horizontal piping shall be supported at sufficiently close intervals to keep them in alignment and prevent sagging.
• Copper tubing shall be supported at each storey or at maximum intervals of 3 meters on center.
• The bottom of all pipe trenches deeper than the footing of any adjacent building or structure and parallel to it must be at least 45 degrees therefrom unless permission is granted by the Administrative Authority.
• Suspended lines of cast iron soil pipe shall be suitably braced to prevent horizontal movement.
• Lead pipe shall be supported at intervals not exceeding 1.20 meters at centers with a rigid vertical back-up.
• All pipes in connection with the plumbing system shall be installed so that the piping or connections will not be exposed to undue strains or stresses, and provisions shall be made for pipe expansions and contraction, and bending due to structural settlement.
• Pipe surfaces subject to undue corrosion, erosion or mechanical damage shall be protected with approved material and manners such as inside lining, outside coating and proper bottom bedding and top shielding with concrete blocks.
• Copper tubing shall be supported at approximately 1.8 meters intervals for piping 38 mm diameter and smaller and 3.0 meters intervals for pipings 51 mm and larger in diameter.
• No building sewer or other drainage pipings or part thereof, constructed of materials other than that approved for use under or within the building, shall be installed under or within 0.6 meter of any building or structure, nor less than 0.3 meter below the finish ground surface.
• Screwed pipe, except as provided in other Sections of this Code, shall be supported at approximately 3.0 meters intervals for piping 19 mm diameter and smaller and 3.6 meters intervals for piping 25 mm and larger in diameter.
• Vertical piping shall be secured at sufficiently close intervals to keep the pipes in alignment and to carry its weight and contents.
• Stacks of cast iron soil pipe shall be supported at every storey or closer.
• Screwed pipe shall be supported at not less than every other storey height.
• Where joints occur in hubless or compression gasket joints of cast iron soil pipe, it shall be supported at every joint.
• No pipe shall be directly embedded in concrete and masonry walls without a metal sleeve.