Definition of Terms - NPCP
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| show | Acrylonitrile-Butadiene-Styrene
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| Alley | show 🗑
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| show | any change, addition or modification in construction or occupancy
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| show | having access but may require prior removal of an access panel, door or similar obstruction.
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| show | direct access without removing any panel, door or similar obstruction.
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| Airbreak | show 🗑
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| show | the unobstructed vertical distance through the atmosphere between the lowest opening from any pipe, plumbing fixture, appliance or appurtenance conveying waste to the flood level rim of the receptor.
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| Air Gap, Water Distribution | show 🗑
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| show | accepted or acceptable under an applicable specifications or standard stated or cited in this Code, or accepted as suitable for any proposed use under procedures and powers of the administrative authority.
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| show | an organization primarily established for purposes of testing to approve standards and approved by the Administrative Authority.
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| Backflow | show 🗑
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| Backflow Connection | show 🗑
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| show | Occurs due to an increased reverse pressure above the supply pressure. This may be due to pumps, boilers, gravity or other sources of pressure.
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| show | device or means to prevent flow of liquid from returning to the source of supply. Also called vacuum breaker.
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| show | the flowing back of used, contaminated or polluted water from a plumbing fixture or vessel into a water supply pipe due to a negative pressure in such pipe.
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| Backwater Valve | show 🗑
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| Backvent Pipe | show 🗑
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| show | a valve opened and closed by the fall and rise, respectively, of an attached ball floating on the surface of the liquid.
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| Ball Joint | show 🗑
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| show | a room equipped with a shower stall and bathtub.
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| show | any of two or more similar adjacent fixtures which discharge into a common horizontal soil or waste branch.
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| Bell or Hub | show 🗑
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| show | a tool for straightening or bending lead pipe.
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| Bibb | show 🗑
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| Bidet | show 🗑
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| show | A pipe flange that closes the end of a pipe. There is no opening for the passage of liquid or gas.
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| show | a controlled outlet of a pipeline to discharge liquid or detritus.
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| show | The Licensure Board for Master Plumbers
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| show | a valved outlet of a boiler that permits discharge of accumulated sediment.
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| show | Any part of the piping system other than a main, riser or stack.
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| show | a length of soil or waste stack corresponding in general to a story height, but in no case less than 2.43 meters within chich the horizontal branches from one floor of a building are connected to the stack.
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| show | a horizontal vent connecting one or more individual vertical back vents with the cent stack or stack vent.
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| show | any joint obtained by joining of metal perts with alloys which melt the temperature higher than 449 degrees centigrade, but lower than the melting temperature of the parts to be joined.
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| show | a non-watertight lined excavation in the ground which receives the discharge of a sanity drainage system, designed to retain the organic matter and solids discharging therefrom, but permitting the liquid to seep through the bottom and sides.
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| Chase | show 🗑
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| Check Valve | show 🗑
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| show | a group vent pipe which starts in front of the extreme fixture connection on a horizontal branch and connects to the vent stack.
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| Code | show 🗑
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| Combination Waste and Vent System | show 🗑
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| Commission | show 🗑
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| show | the part of a plumbing system designed and installed to serve more than one (1) appliance, fixture, building or system.
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| Confined Space | show 🗑
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| Contamination | show 🗑
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| Continuous Vent | show 🗑
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| show | a drain connecting the compartments of a set of fixtures to a trap or connecting other permitted fixtures to a common trap.
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| show | a vertical pipe to convey rainwater.
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| Corporation Cock | show 🗑
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| Court | show 🗑
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| Critical Level | show 🗑
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| Cross-connection | show 🗑
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| Cross-connection (Fire-protection system) | show 🗑
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| show | the extended portion of a pipe that is closed at one end to which no connections are made on the extended portion, thus permitting the stagnation of liquid or air therein.
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| show | the Administrative Authority and includes any other law enforcement agency concerned by any provision of this Code, whether such agency is specifically named or not.
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| show | the length of a pipe along its center line and fittings.
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| Diameter | show 🗑
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| Inside Diameter | show 🗑
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| Oustide Diameter | show 🗑
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| show | the liquid and water-borne wastes derived from the ordinary living processes,free from industrial wastes and of such character that permit satisfactory disposal without special treatment. discharged into the public sewer or private sewage disposal system.
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| Double-bend fitting | show 🗑
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| show | two offsets in succession or in series such that the center lines of the outside ends are in the same straight line.
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| Downspout | show 🗑
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| show | a pipe, which carries ground and surface waters, storm water or waste water into a building drainage system.
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| Drainage System | show 🗑
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| show | a vent that does not carry liquid or water-borne wastes.
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| Durham System | show 🗑
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| Effective Opening | show 🗑
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| show | the on-going installation of the plumbing system or any part thereof which has been installed prior to the effective of this code.
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| Family | show 🗑
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| Faucet | show 🗑
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| Ferrule | show 🗑
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| show | a receptacle other than a trap attached to a plumbing system in which water or wastes may be collected or retained for ultimate discharge into the plumbing system.
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| show | the water supply pipe between the fixture supply ipe and the water-distributing pipe.
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| show | the drainpipe from the trap of a fixture to the junction of that drain with any other drainpipe.
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| show | a water supply pipe connecting the fixture with the fixture branch.
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| Fixture Unit | show 🗑
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| show | One fixture unit is equivalent to a rate of flow at:
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| show | the level in a fixture at which water begins to overflow over the top or rim of the fixture.
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| Flood Level Rim | show 🗑
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| show | a fixture is _______ when the liquid therein rises to the flood level rim.
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| Floor Area | show 🗑
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| show | a tank located above or integral with water closer, urinal or similar fixtures for flushing or removing excrements in the fixture.
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| show | is a device located above or integral with water closet, urinal or similar fixtures for flushing or removing excrements in the fixtures.
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| Flushometer Tank | show 🗑
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| show | is a device, which discharges a predetermined quanityt of water into fixtures for flushing purposes and is actuated by direct water pressure.
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| show | a valve in which the flow of water is cut off by means of a circular disc fitted against machine-smoothed faces, at right angles to the direction of flow.
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| Globe Valve | show 🗑
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| show | a return bend of small-sized pipe, one end of which is about 30 cm long and the other end is about 7.5 cm long. It is commonly used as a faucet for a pantry sink. Also, the term means the flexible tubing connection between a service pipe and a water main.
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| show | is the slope or fall of a line of pipe with reference to a horizontal plane. In drainage, it is usually expressed as the fall in centimeters per meter or percentage slope of pipe.
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| Grease Interceptor | show 🗑
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| show | a device designed to retain grease from one to a maximum of four fixtures.
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| Ground Water | show 🗑
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| Group Vent | show 🗑
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| Height of Building | show 🗑
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| show | is a drain pipe extending laterally from a soil or waste stack or building drain with or without vertical sections or branches, which receives the discharge from one or more fixture drains and conducts it to the soil or waste stack or to the bldg drain.
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| show | is any pipe or fitting installed in a horizontal position or which forms an angle of not more than forty-five (45) degrees with the horizontal plane.
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| show | is that part of the lowest horizontal piping of a plumbing system which receives the discharges from soil, waste and other drainage pipes inside of a building and conveys it to the house sewer outside of the building.
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| show | is that part of a plumbing system extending from the house drain at a point 0.60 meters from the outside face of the foundation wall of a building to the junction with the street sewer or to any point of discharge.
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| House Storm Sewer | show 🗑
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| show | are cast iron soil pipes with plain ends connected together with bolted stainless steel bands and neoprene gaskets.
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| Indirect Waste Pipe | show 🗑
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| show | is s pipe installed to vent a fixture trap and which connects with the vent system above the fixture served or terminates n the open air.
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| show | any and all liquid or water-borne waste from industrial or commercial processes, except domestic sewage.
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| show | means Iron Pipe Size
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| Insanitary | show 🗑
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| Interceptor | show 🗑
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| show | The Lowest portion of the interior part of any pipe or conduit that is not vertical
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| show | the Administrative Authority under the DOH, DPWH, the Dpt. of Interior and Local Gvrmnt, the City Mayors of Chartered Cities, Envrnmtl Mgmnt Bureau (DENR) and the gvmnt entities that regulate the practice of Reg. and Licnsd MP.
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| show | equipment or materials bearing a label of a listing agency. All labels shall be embossed, stamped or indelibly marked with stickers, glued on product indicating weight, specs and logo of manufacturer.
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| Lateral | show 🗑
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| Latrine | show 🗑
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| Lavatory | show 🗑
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| Leaching Cesspool | show 🗑
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| show | a pipe connected from building gutter to the downspout or conductor
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| Length of Pipe | show 🗑
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| Liquid Waste | show 🗑
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| show | equipment or materials included in a LIST published by a listing agency that maintain periodic inspection on curent production of listed equipmnt or materials and whose listing state complied with approve standards or tested suitable for specific manners.
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| Listing Agency | show 🗑
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| Local Vent | show 🗑
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| Loop or Circuit Vent | show 🗑
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| show | a single area of land legally recorded or validated by other means acceptable to the Administrative Authority where a building is situated or site of any work. together with yard, court, and unoccupied space.
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| show | any system of continuous piping, which is the principal artery of the system where branches are connected.
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| Main Vent | show 🗑
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| show | a large opening in a sewer line or part of a plumbing system constructed with sufficient size for a man to gain access therein for maintenance purposes and facility for charges of line and/or grade of pipeline.
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| show | a person technically and legally qualified and licensed to practice the profession of Master Plumbing without limitations in accordance with RA 1378, having passed the examinations conducted by PRC has a Certificate of Registration and current license.
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| May | show 🗑
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| Mobile Home Park Sewer | show 🗑
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| NAMPAP | show 🗑
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| Nuisance | show 🗑
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| show | hemp or old hemp rope soaked in oil or tar to make it waterproof.
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| show | The purpose for which a building is used or intended to be used. The term shall also include the building or room housing used. Change of occupancy is not interpreted to mean change of tenants or proprietors.
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| Offset | show 🗑
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| Person | show 🗑
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| show | Polybutylene. Tube made of plastic material and colored black. The cross-sectional shape is normally oval and is denoted by its outside diameter or O.D. Normally used as water service connection from main to meter.
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| PE | show 🗑
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| Pipe | show 🗑
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| show | the art and technique of installing pipes, fixtures and other apparatuses in buildings for bringing in the supply, liquids, substances and/or ingredients and removing them; and such water, liquid and other carried-wastes hazardous to health etc.
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| show | any one of a special class of device or equipment intended to perform a special plumbing function. Its operation and/or control may be dependent upon one or more energized components, such as motors,controls,heating elements etc.
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| show | a manufactured device or a prefabricated assembly or an on-the-job assembly of component parts, and serves as adjunct to the basic piping system and plumbing fixtures.
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| Plumbing Firm | show 🗑
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| Plumbing Fixtures | show 🗑
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| show | The Administrative Authority of the officer charged with the administration and enforcement of the National Plumbing Code, or his regularly authorized deputy.
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| Plumbing System | show 🗑
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| Plumbing Unit | show 🗑
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| show | an impairment of the quality of the water to a degree which creates hazard to the public health and adversely affects the aesthetic and potable qualities of waters for domestic use.
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| show | water satisfactory for drinking, culinary and domestic purposes and meets the requirements of the Philippines National Standards for Drinking Water.
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| show | the normal force exerted by a homogeneous liquid or gas, per unit of area on the wall of the container.
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| Static Pressure | show 🗑
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| show | the pressure available at the fixture or water outlet; allowance is made for pressure drop due to friction loss, head, meter and other losses in the system during maximum demand period.
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| show | of the building drain is the single sloping drain from the base of a stack to its junction with the main building drain.
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| Private or Private use | show 🗑
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| show | a septic tank with the effluent discharging into a subsurface disposal field, into one or more seepage pits or into a combination of subsurface disposal field and seepage pit others facilities may be permitted elsewhere in this code.
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| Private Sewer | show 🗑
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| Privy | show 🗑
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| show | a pit beneath a privy where excrement collects.
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| show | In the classification of plumbing fixtures, "public" or "public use" shall mean all buildings or structures that are not defined as private or private use.
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| show | a common sewer directly controlled by public authority to which all abutters have equal rights of connections.
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| PVC | show 🗑
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| show | all plumbing fixtures and materials used in any discharged or plumbing system or parts thereof shall be free from defects.
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| show | an approved plumbing fixture or device of such materials shape and capacity to adequately receive the discharge from indirect waste pipes, constructed and located to be readily cleaned.
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| show | include all valves and controls used in plumbing systems which are accessible.
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| Relief Vent | show 🗑
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| Repair | show 🗑
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| Return Bend | show 🗑
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| show | Backvent Pipe
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| Riser | show 🗑
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| show | the installation of all pipings & fitting parts of the plumbing system, which can be completed prior to the installation of fixtures and accessories. Includes sanitary and storm drainage,tap,hot and chilled water supplies,gas pipings,vent pipings etc.
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| show | See INterceptor
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| Sanitary Sewage | show 🗑
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| show | a sewer intended to receive sanitary sewage with or without pre-treated industrial wastes and without the admixture of rain or ground water.
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| Seal | show 🗑
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| Secondary Branch | show 🗑
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| Seepage Pit | show 🗑
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| show | a water-tight receptacle which receives the discharge of a sanitary plumbing system or part thereof, designed to retain solids, digest organic matter through a period of detention and allow the liquids to discharge into the soil outside of the tank.
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| show | the pipe from the street water main or other source of water supply to the building served.
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| show | any waste water containing animal or vegetable matter in suspension or solution and may include liquids containing chemicals in solution.
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| show | a pipe or conduit for carrying sewage and wastewater.
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| Sewerage or Sewerage Works | show 🗑
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| show | a vertical opening through a building for elevators, dumbwaiters, lights, ventilation or similar purposes.
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| show | a hose fitting with clapper valves for combining the flow from two or more lines of hose into a single stream.
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| show | The inlet fitting of a fire standpipe located above groundlevel
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| Siphonage | show 🗑
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| show | the word "shall" denotes mandatory acceptation
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| show | an approved elastomeric sealing gasket with an approved outer shield and a tightening mechanism
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| Single Family Dwelling | show 🗑
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| show | see Diamter
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| Soil Stack Pipe | show 🗑
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| show | any pipe, which conveys the discharge of water closet, urinal or fixtures having similar functions, with or without the discharges from the other fixtures to the building drain or building sewer.
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| show | a pipe joint obtained by joining metal parts with metallic mixtures or alloys which melt at a temperature below 427 degrees centigrade and above 149 degrees centigrade
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| Spigot | show 🗑
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| show | wastes which require some special methods of handling such as the use of indirect waste piping and interceptors; corrosion-resistant piping; sand, oil or grease interceptors; condensers or other pretreatment facilities.
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| show | the vertical main of a system of soil, waste or vent pipings extending through one or more stories and extended thru the roof.
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| show | a vertical pipe, or a reservoir, into which water is pumped to give it at a head, classified as: Wet standpipe, Automatic Standpipe System, Manually-Operated Standpipe System and Dry Standpipe
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| show | a Standpipe which water pressure is maintained at all times
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| show | a Standpipe which operates automatically by opening a hose valve.
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| show | a Standpipe which remote control device at each hose station
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| Dry Standpipe | show 🗑
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| show | that portion of the rainfall or other precipitation which runs off over the earth surface after a storm.
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| Storey | show 🗑
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| Subsoil Drain | show 🗑
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| Stack Vent | show 🗑
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| show | an approved tank or pit which receives sewage or wastewater and is located below the normal grade of the gravity system and must be emptied by mechanical means.
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| Supports | show 🗑
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| show | that portion of rainfall or other precipitation which runs off over the surface of the ground.
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| show | a water basin used for swimming designed to accomodate many bathers at a time and properly connected to a disposal system, fills and draws water supply or provided with approved water purification and recirculation system.
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| show | the pipe or tubing that connects the outlet of a plumbing
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| Tapped Tee | show 🗑
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| Trap | show 🗑
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| show | that portion of a fixture drain between a trap and the vent.
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| show | the maximum vertical depth of liquid that a trap will retain, measured between the crown weir and the top of the dip of the trap.
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| show | a cylindrical conduit or conductor conforming to the particular dimensions known as "tube sizes" and denoted by its outside diameter or O.D.
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| Unconfined Space | show 🗑
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| show | an arrangement of venting so installed that one vent pipe will serve two(2) traps
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| show | Rooms adjacent and open to the space where the appliance is installed, through openings not furnished with doors, are considered a part of the unconfined space.
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| show | an air pressure less than atmospheric. Also, implies siphonage in piping system.
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| Vacuum Breaker | show 🗑
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| show | a pipe or opening used for ensuring the circulation of air in a plumbing system and for relieving the negative pressure exerted on trap seals.
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| show | the vertical vent pipe installed primarily for providing circulation of air to and from any part of the soil, waste of the drainage system.
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| show | Pipes installed to provide flow of air to or from a drainage system of to provide a circulation of air within such system to protect trap seals from siphonage and backpressure.
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| Vertical Pipe | show 🗑
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| Waste | show 🗑
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| Waste pipe | show 🗑
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| show | a device which conditions or treats water supply
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| show | a pipe which conveys potable water from the building supply pipe to the plumbing fixtures and other water outlets.
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| Water Main | show 🗑
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| Water Supply System | show 🗑
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| show | that portion of a vent pipe through where wastewater also flows through.
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| show | any joint or seam obtained by the joining of metal parts in a plastic molten state.
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| Welder, Pipeline | show 🗑
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| show | a hose connection with two-gated outlets permitting two connections of the same or smaller coupling diameter to be taken from a single supply line.
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| show | an open, unoccupied space, other than a court, unobstructed from the ground to the sky, except where specifically provided in this code.
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| Yoke Vent | show 🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Soulburn07