Plumbing Terms - NPCP CHAPTER 2 PDF

PLUMBING TERMS GENERAL TERMS - Plumbing the art and technique of installing pipes and fixtures for bringing in water and discharging wastes - Roughing ins plumbing work done befor installing fixtures and finishes - Alley less than...

PLUMBING TERMS GENERAL TERMS - Plumbing the art and technique of installing pipes and fixtures for bringing in water and discharging wastes - Roughing ins plumbing work done befor installing fixtures and finishes - Alley less than 3.0 meters but not less than 2.0 meters INSTALLATION TERMS - Alter/Alterations change, addition, modification - Existing work portions of plumbing fixture which is installed or approved - Repair reconstruction or renewal, for maintenance ACCESSIBILITY TERMS/RELATED TERMS - Accessible removal of access panel - Readily Accessible direct access withour removal of any panel door - Manhole an opening of sufficient size for man to gain access Cross Connection physical connection of pipes bet. Two otherwise separate building water supply pipes ADMINISTRATIVE AUTHORITY - Approved accepted or acceptable - Approved Testing Agency (ATA) approve standards for testing - Administrative Authority authorized by the office of the president (RA 1378) - Certified Backflow Assembly Tester has the competence to test and maintain backflow assemblies Department having Jurisdiction Administrative Authority - Jurisdiction DPWH DOH DILG City Mayors DENR Officers of Building official - Plumbing Official Administrative Authority BUILDING COMPONENTS - Building structure built, erected and framed of component structural parts - Floor Area area with in a surrounding walls of a building - Lot single area of land legally recorded - Height of Building from gradeline to the highest point of caping - Single Family Dwelling only dwelling located in a parcel of lanf - Storey upper surface of the floor next above - Yard Open or unoccupied space UTILITY SPACES - Chase built for pipes - Court unoccupied space - Shaft vertical opening, elevator - Combustible Construction will ignite @ 756 degrees Celsius - Confined Space a space with a volume of less than 1.4 m3 and having 250 kilogram calorie of aggregate - Unconfined Space volume of atleast equal to 1.4 m3 - Labelled equipment bearing a label - Listing Agency agency accepted by Administrative Authority - Listed equipment included in the list published by a listing agency - Quality of Materials free from defects - Master Plumber a person with a knowledge and experience in plumbing - NAMPAP National Master Plumber Association of the Philippines - Plumbing Firm sole proprietorship / corporation composed of RMP - May a permissive term - Mobile Home Park Sewer measure 0.60 meters from the last mobile home site - Nuisance dangerous to human life - Family person living alone or group living together - Occupancy purpose for which a builidng is intended to - Person natural persona - Private / Private use not use in public, for the use of family or individual - Public / Public use used without restriction, open for all - Plumbing Appliance equipment with a special plumbing function - Clarifier / Interceptor separte or prevent the passage of Oil, Grease or Sand Note Master Plumber registered and licensed Journey Man skilled and knowledgable - Grease Interceptor a fixture up to 3.0 m3 capacity - Grease Trap a receptacle to retain grease up to 1-4 fixtures - Sand Interceptor interceptor - Plumbing Appurtenances serves as adjunt to the basic piping and plumbing fixtures - Ball Cock a valve open or close by the fall or rise of a ball floating on the surface of water - Ball Joint a connection in which is a ball shape end - Bibb faucet, cock, tap, plug - Air Break physical separation between a receptacle and an inlet pipe for drainage - Air Gap unobstructed vertical distance through free atmosphere between the lowest opening of any pipe to the flood level rim of a fixture use for Potable water - Critical Level (C/L or C-L) determines the minimum elevation above the flood level rim of a fixture - Flood Level the level in a fixture @ which water begins to overflow rim of a fixture - Floor Level Rim top edge of a receptacle - Flooded when liquid rises to the flood level rim - Effective Opening minimum cross sectional area for which the water flows thru diameter of a circle diameter of a circle of equivalent cross sectional area - Plumbing Fixtures a receptacle which water or wastes may be collected or retained for ultimate discharhe into the plumbing system - Fixture a receptacle attached to a plumbing fixture - Bathroom equipped with a shower stall or bath tub - Fixture Unit flow rate of 1 ft3 of water per minute 7.5 gallons of water/ minute 28.3 liters of water/minute - Bidet washing the middle part of the body - Latrine a water closet with continuous trough containing water - Lavatory wash basin - Battery of Fixtures two or more similar adjacent fixtures with discharge to a common horizontal or soil branch - Swimming pool a water receptacle used for swimming - Plumbing unit minimum standard quantity of plumbing fixtures 1 water closet 1 water meter 1 kitchen sink 1 laundry tray 1 shower head 3 floor drains 1 lavatory 4 hose bibb /faucets WATER SOURCE, STORAGE AND SUPPLY - Ground Water passing through the ground - Surface Water runs off over the surface of the ground - Potable water satisfactory for drinking, culinary and domestic purposes - Pressure the normal forxe exerted by a homogenous liquid or gas Types *Static pressure pressure at rest *Residual pressure pressure due to friction loss, head loss, meter loss during MAX. Demand period - Contamination high hazard, impairment of the quality of the potable water *high hazard contamination *low hazard pollution - Main principal artery of system which branch is connected to - Service pipe pipe from the street water main, source of water supply to the building served - Water distributing pipe conveys potable water from the building supply pipe to the plumbing fixtures - Fixture Branch the supply pipe bet. The fixture and the water distributing pipe from the street water main, source of water supply - Fixture Supply water supply pipe connecting the fixture with the fixture branch - Riser a water suppy pipe that extends vertically one full storey or more - Faucet a fixture where water can be drawn from - Spigot the end of a pipe which fits into the bell PIPES and FITTINGS - Pipe denoted by its interior diameter - Length of pipe the length as measured along it's center - Invert the lowest portion of the inside of any pipe - Horizontal pipe forms an angle of not more than 45 degrees with the horizontal plane - Vertical pipe forms an angle of not more than 45 degrees with the vertical plane - Soil Stack pipe vertical soil pipe conveying fecal matter and waste water - Stack general term used for any vertical line of soil, waste, vent piping - Soil pipe any pipe conveying wastes from water closet and urinals - Waste pipe a pipe which conveys liquid waste, free from fecal matter - Grade / Pitch the slope or fall of a line of pipe in reference to the horizontal plane - Hangers / Supports / Anchors / Brackets / Cradles devices for holding pipe and fixtures - IPS iron pipe size - Diameter *Nominal internal diameter pipe *Nominal outside diameter tube - Tube denoted by it's outside diamater *copper *cylindrical conduit *brass - ABS acrylonitrile butadiene styrene - PB polybutylene black oval - PE polyethylene round - PVC polyvinyl chloride *blue water *gray,orange and brown waste - Bell or Hub enlarged to receive the end the another pipe for making a joint - B&S brown and sharpe bell and spigot - Hubless pipe cast iron soil pipe with plain ends connected with a bolted stainless steel bar and neoprene gaskets - Bending pin a tool used for straightening or bending lead pipe - Blank Flange not drilled for bolt holes - Blind Flange used to close the end of a pipes - Cap a fittin which purpose is closing the end of a pipe - Double bend fitting a pipe fitting shaped like the "S" - Double offset two offsets in succession - Offsets combination of elbows and bends which brings one section of the pipe out of line parallel with the original section - Ferrule a metallic sleeve, caulked to an opening in a pipe to which a plug is screwed for the purpose of cleaning or examining the interior of the pipe - Dead end the extended portion of the pipe that is closed @ one end - Durham system soil or waste system where all piping are threaded pipe, tubing, rigid construction using drainage fittings - Sovent system plumbing system which use aerator and de-aerator - Imhoff tank a two storey septic tank - Return bend composed of two 90 degrees bend, or 180 degrees bend for copper tubing - Tail piece a pipe which connects the outlet of a fixture to its trap - Tapped tee a tee with a branched tapped to receive a threaded fitting - Lateral secondary pipeline - Branch interval not less than 8' or 2.43 meters with in which the horizontal branches from one floor are connected to the stack - Fixture Branch a pipe which connects the fixture supply to the main water distributing pipe - Horizontal Branch a branch drain extending laterally from a soil or waste stack with or without sections or branches PIPE JOINTS - Brazed joint not less than 449 degrees celsius but less than the melting point of the materials joined - Caulking / Calking / Plugging plugging an opening with a hemp or oakum and lead - Oakum hemp or old hemp soaked in oil or tar to make it waterproof - Slip joint a joint which consists of a compression joint, compression washer and friction ring designed to fit a threaded adapter - Soldered Joint not less than 149 degrees celsius but less than 427 degrees - Welded / Seam joint joining metal parts in a plastic molten state - Welder, Pipeline specializes in welding of pipes - Drainage system the drainage pipe which conveys waste water from the fixtures to the sewer - Drain a sewer, pipe, or conduit conveying ground, surface, storm, waste water or sewage - Fixture drain drain from the trap of a fixture to the junction of the drain - Building drain / House drain part of the lowest horizontal piping of the drainage system 0.60 meters outside the building wall - Building sewer / House sewer starts at the end of the building drain - Primary branch single sloping drain from the base of the stack to its junction with the building drain or with another branch - Secondary branch any branch in the building drain other than the primary - Building subdrain cannot be drain by gravity - Subsoil drain underground pipe which receives only subsurface /  seepage water - Sump approved tank or pit which receives sewage located below normal grade - Backflow flow of water supply system from any source rather than it's main source - Backflow connection arrangement where backflow can occur - Back pressure back flow occurs due to an increased reverse pressure above the supply pressure - Backwater valve valve installed in drainage to prevent reverse flow - Blow-off discharged liquid/detritus VALVES - Check Valve automatically closes to prevent water in reverse direction - Gate Valve a valve in which the flow of water is cut-off by means of a circular disk - Globe Valve a valve in which the flow of water is cut-off by means of a disk that fit against the valve seat (tortuous passage) REGULATING EQUIPMENT - Flush tank for flushing removing excrements in the fixture - Flush valve flushing using water directly from the water supply pipes - Flushometer tank an accumulated vessel to discharge pre determine quantity of water for flushing purposed - Flushometer valve to discharge predetermined quantity of water for flushing purposes actuated by direct water pressure VENT - Individual Vent / Revent pipe connects directly with and individual trap and extends to the branch, main, soil , waste or any higher than the fixture or fixture trap - Branch Vent a horizontal vent pipe connecting the drainage system to  vent stack or stack vent - Group Vent a branch vent that performs it's function for two or more traps - Circuit Vent a group vent extending in front of the last fixture to the vent stack - Loop Vent a group vent extending in front of the last fixture to the stack vent - Local Vent a pipe or shaft serving to convey foul air to the outer air - Vent pipe a pipe for ensuring the circulation of air - Vent system pipes installed for ensuring the circulation of air for the drainage system - Vent Stack / Main Vent principal artery of the venting system - Stack Vent the extension of a soil or waste stack above the horizontal drain connected to the stack - Common / Unit / Dual Vent vent serving two traps on the same level - Dry vent vent pipe that does not carry liquid waste - Wet vent vent pipe that carries liquid or water borne waste - Relief vent provides circulation of air bet. The drainage and vent system - Yoke vent a vent connecting soil or waste stack below the floor to an adjacent bend stack minimum of 1 meter above the highest flood level rim of the fixture OTHER TERMS - Siphonage / Vacuum pressure less than atmospheric pressure - Vacuum breaker backflow preventer - Sewerage / Sewerage works construction, collection, transportation, pumping treatment and final disposition of sewage - Combination Waste and Vent system a speciallly designed system of waste piping horiontal wet venting of one or more sinks per floor and  drains by a common horizontal waste and vent pipe - Continuous waste drain connecting the compartments of a set of fixtures to a trap - Water treatment device which treats water supply to improve water quality - Sewage any waste water containing animal or vegetable matter in a suspension or solution - Domestic Sewage *sanitary sewage *liquid / water borne free from industrial waste discharged into the public sewer - Sanitary sewer with or without industrial waste - Main / Public sewer a common sewer controlled by administrative authority - Sewer a pipe or conduit for conveying sewage or liquid waste - Industrial waste free from fecal matter - Liquid waste discharge of any fixture, which do not have fecal matter - Private sewage diposal system a septic tank with the effluent discharging into a subsurface disposal field and seepage pit - Private sewer privately owned - Cesspool a pit for retention or detention of seepage which is not watertight and permit the liquid to seep through it's bottom and sides - Seepage pit loosely lined excavation in the ground - Privy out house structure used in deposition of excrement - Privy vault a pit beneath a privy in which excrements collect - Septic Tank a water tight receptacle which receives the discharge of a plumbing system - Drainage system drainage pipe of a plumbing system which take the waste water from the building and deliver it to the sewer - Indirect waste pipe a waste pipe which that does not connected directly to the building drainage - Receptor approved plumbing fixture to receive discharge from indirect waste pipes - Special waste requires special methods of handling - Seal vertical distance bet. The dip and the crown weir of a trap - Trap a fitting or device constructed to prevent the passage of air and gas - Trap arm distance bet. The trap and the vent stack - Trap seal / Water seal maximum vertical depth of liquid that a trap will retain - Catch Basin a receptacle in which liquids are retained to deposit settleable materials - Downspout the vertical portion of a rain water conductor - Leader or Conductor from the building gutter to downpspout - House storm sewer the pipeline from the building to the public storm sewer - Flashing a piece of sheet metal fitted under another piece of flat metal or wood over which is expected to run - Storm water that portion of a rainfall or other precipitation which is over the surface