Revised National Plumbing Code of the Philippines (RA 1378) PDF

REVISED NATIONAL PLUMBING CODE OF THE PHILIPPINES (RA 1378) DEFINITION OF TERMS MASTER PLUMBING APPROVAL AND OTHER AGENCIES AREAS/ SPACES BACKFLOW AND ITS PREVENTION CONSTRUCTION DRAINAGE (SOIL & WASTE) DRAINAGE (STORM) DISPOSAL FITTINGS FIXTURES PIPE MAT...

REVISED NATIONAL PLUMBING CODE OF THE PHILIPPINES (RA 1378) DEFINITION OF TERMS MASTER PLUMBING APPROVAL AND OTHER AGENCIES AREAS/ SPACES BACKFLOW AND ITS PREVENTION CONSTRUCTION DRAINAGE (SOIL & WASTE) DRAINAGE (STORM) DISPOSAL FITTINGS FIXTURES PIPE MATERIALS PIPES, PARTS OF, MEASUREMENT, ETC. PIPE JOINTS TOOL REVISED NATIONAL PLUMBING CODE OF THE PHILIPPINES (RA 1378) DEFINITION OF TERMS VALVES VENTS WATER CONDITION WATER SUPPLY PLUMBING QUALITY MISCELLANEOUS MASTER PLUMBING PLUMBING THE ART AND TECHNIQUE OF INSTALLING PIPES, FIXTURES AND OTHER APPARATUSES IN BUILDINGS PLUMBING SYSTEMS POTABLE WATER SUPPLY AND DISTRIBUTION PIPES PLUMBING FIXTURES AND TRAPS SANITARY AND STORM DRAINAGE SYSTEMS, VENT PIPES, ROOF DRAINS, LEADERS, AND DOWNSPOUTS BUILDING DRAINS AND SEWERS WATER LINES: POTABLE, TAP, HOT AND CHILLED WATER PIPINGS POTABLE WATER TREATING FUEL GAS PIPING WATER HEATERS MASTER PLUMBING MASTER PLUMBER A PERSON TECHNICALLY AND LEGALLY QUALIFIED AND LICENSED TO PRACTICE THE PROFESSION OF MASTER PLUMBING  ACCESIBILITY ACCESSIBLE HAVING ACCESS THERETO, BUT WHICH MAY REQUIRE PRIOR REMOVAL OF AN ACCESS PANEL, DOOR OR SIMILAR OBSTRUCTION READILY ACCESSIBLE DIRECT ACCESS WITHOUT THE NECESSITY OF REMOVING ANY PANEL/DOOR  AREAS/ SPACES ALLEY PUBLIC SPACE, PUBLIC PARK OR THOROUGHFARE 2 TO 3 METERS IN WIDTH FOR PUBLIC USE LOT A SINGLE AREA OF LAND LEGALLY RECORDED COURT AN OPEN, UNOCCUPIED SPACE, BOUNDED ON 2 OR MORE SIDES BY THE WALLS OF THE BUILDING INNER COURT A COURT ENTIRELY WITHIN THE EXTERIOR WALLS OF THE BUILDING  AREAS/ SPACES FLOOR AREA AREA WITHIN SURROUNDING WALLS OF A BUILDING EXCLUSIVE OF VENT SHAFTS AND COURTS HEIGHT OF BUILDING VERTICAL DISTANCE FROM THE “GRADE LINE” TO THE HIGHEST POINT OF THE COPING OF A FLAT ROOF OR TO THE TOP LINE OF A MANSARD ROOF OR TO THE AVERAGE HEIGHT OF THE HIGHEST GABLE OF A PITCH OR HIP ROOF  AREAS/ SPACES STOREY BETWEEN THE UPPER SURFACE OF ANY FLOOR AND THE UPPER SURFACE OF THE FLOOR NEXT ABOVE. YARD AN OPEN UNOCCUPIED SPACE, OTHER THAN A COURT, UNOBSTRUCTED FROM THE GROUND TO THE SKY BUILDING A STRUCTURE BUILT, ERECTED AND FRAMED OF COMPONENT STRUCTURAL PARTS OCCUPANCY THE PURPOSE FOR WHICH A BUILDING IS USED OR INTENDED TO BE USED  AREAS/ SPACES SINGLE FAMILY DWELLING A BUILDING DESIGNED AS A HOME BY THE OWNER OF SUCH BUILDING BATHROOM A ROOM WITH SHOWER STALL OR BATHTUB CHASE FOR INSTALLATION OF DIFFERENT PIPE STACKS SHAFT A VERTICAL OPENING FOR ELEVATORS, DUMBWAITERS, LIGHTS, VENTILATION  AREAS/ SPACES CONFINED SPACE HAVING A VOLUME LESS THAN 1.4 CU.M WITH 250 KILOGRAM CALORIE OF THE AGGREGATE INPUT RATING OF ALL FUEL- BURNING APPLIANCES UNCONFINED SPACE HAVING A VOLUME AT LEAST 1.4 CU.M  BACKFLOW AND ITS PREVENTION AIRBREAK A PHYSICAL SEPARATION WHICH MAY BE A LOW INLET INTO THE INDIRECT WASTE RECEPTOR FROM THE FIXTURE, APPLIANCE OR DEVICE INDIRECTLY CONNECTED AIR GAP (DRAINAGE) UNOBSTRUCTED VERTICAL DISTANCE THROUGH FREE ATMOSPHERE BETWEEN THE LOWEST OPENING FROM ANY PIPE, PLUMBING FIXTURE, APPLIANCE OR APPURTENANCE CONVEYING WASTE TO THE FLOOD LEVEL RIM OF THE RECEPTOR AIR GAP (WATER DISTRIBUTION) UNOBSTRUCTED VERTICAL DISTANCE THROUGH THE FREE ATMOSPHERE BETWEEN THE LOWEST OPENING FROM ANY PIPE OR FAUCET CONVEYING POTABLE WATER TO THE FLOOD-LEVEL RIM OF ANY TANK, VAT OR FIXTURE  BACKFLOW AND ITS PREVENTION BACKFLOW THE FLOW OF WATER OR OTHER LIQUIDS, MIXTURES OR SUBSTANCES INTO THE DISTRIBUTING PIPES OF A POTABLE WATER FROM ANY SOURCE OTHER THAN ITS INTENDED SOURCE BACKFLOW CONNECTION CONDITION OR ANY ARRANGEMENT WHEREBY REVERSE FLOW CAN OCCUR BACKPRESSURE BACKFLOW OCCURS DUE TO AN INCREASED REVERSE PRESSURE ABOVE THE SUPPLY PRESSURE BACK-SIPHONAGE FLOWING BACK OF USED, CONTAMINATED OR POLLUTED WATER INTO A WATER SUPPLY PIPE DUE TO NEGATIVE PRESSURE  BACKFLOW AND ITS PREVENTION CROSS-CONNECTION CONNECTION OR ARRANGEMENT THAT ENABLES NON-POTABLE, USED, UNCLEAN, POLLUTED, CONTAMINATED WATER TO ENTER INTO ANY PART OF POTABLE WATER SYSTEM. SIPHONAGE A SUCTION CREATED BY THE FLOW OF LIQUIDS IN PIPES. PRESSURE LESS THAN ATMOSPHERIC VACUUM AN AIR PRESSURE LESS THAN ATMOSPHERIC. IMPLIES SIPHONAGE IN THE PIPING SYSTEM  BACKFLOW AND ITS PREVENTION BACKFLOW PREVENTER DEVICE OR MEANS TO PREVENT FLOW OF LIQUID FROM RETURNING TO THE SOUCE OF SUPPLY. AKA VACUUM BREAKER CRITICAL LEVEL A POINT ESTABLISHED BY THE TESTING LABORATORY WHICH DETERMINES THE MINIMUM ELEVATION ABOVE THE FLOOD LEVEL RIM OF THE FIXTURE OR RECEPTACLE SERVED WHERE THE DEVICE MAY BE INSTALLED. WHEN A BACKFLOW PROTECTION DEVICE DOES NOT BEAR A CRITICAL LEVEL MARKING, THE BOTTOM OF THE VACUUM BREAKER, COMBINATION VALVE OR ANY APPROVED DEVICE SHALL CONSTITUTE THE CRITICAL LEVEL.  CONSTRUCTION ALTER OR ALTERATION ANY CHANGE, ADDITION OR MODIFICATION IN CONSTRUCTION OR OCCUPANCY REPAIR THE RECONSTRUCTION OR RENEWAL OF ANY PART OF AN EXISTING BUILDING FOR ITS MAINTENANCE ROUGHING-IN THE INSTALLATION OF ALL PIPINGS AND FITTING PARTS OF THE PLUMBING SYSTEM PRIOR TO THE INSTALLATION OF FIXTURES AND ACCESSORTIES  CONSTRUCTION COMBUSTIBLE CONSTRUCTION STRUCTURAL FRAMEWORK WILL IGNITE OR BURN 756 DEG CELSIUS OR LESS EXISTING WORK ON-GOING INSTALLATION/ HAS BEEN INSTALLED PRIOR TO THE EFFECTIVITY OF THE PLUMBING CODE.  DRAINAGE (SOIL AND WASTE) DRAINAGE SYSTEM CONVEY SEWAGE OR OTHER LIQUID WASTES TO A LEGAL POINT OF DISPOSAL SEWER OR SEWERAGE WORKS A COMPREHENSIVE TERM, INCLUDING ALL CONSTRUCTIONS FOR COLLECTION, TRANSPORATION, PUMPING, TREATMENT AND FINAL DISPOSITION OF SEWAGE. SOIL PIPE CONVEYS THE DISCHARGE OF THE WATER CLOSET OR URINAL WASTE PIPE CONVEYS ONLY WASTEWATER OR LIQUID WASTE, FREE OF FECAL MATTER  DRAINAGE (SOIL AND WASTE) FIXTURE DRAIN THE DRAINPIPE FROM THE TRAP OF A FIXTURE TO THE JUNCTION OF THAT DRAIN WITH ANY OTHER DRAIN PIPE. CONTINUOUS WASTE A DRAIN CONNECTING THE SET OF FIXTURES TO A TRAP OR OTHER PERMITTED FIXTURES TO A COMMON TRAP. INDIRECT WASTE PIPE DOES NOT CONNECT DIRECTLY WITH THE DRAINAGE SYSTEM SOIL STACK PIPE A VERTICAL SLOPE PIPE CNVEYING FECAL MATTER AND WASTEWATER  DRAINAGE (SOIL AND WASTE) HORIZONTAL BRANCH IS A DRAIN PIPE EXTENDING LATERALLY FROM A SOIL OR WASTE STACK OR BUILDING DRAIN. PRIMARY BRANCH THE SINGLE SLOPING DRAIN FROM THE BASE OF A STACK TO ITS JUNCTION WITH THE MAIN BUILDING DRAIN. SECONDARY BRANCH ANY BRANCH IN A BUILDING DRAIN OTHER THAN THE PRIMARY BRANCH BUILDING SUBDRAIN THAT PORTION OF AN UNDERGROUND SYSTEM, WHICH CANNOT DRAIN BY GRAVITY INTO THE BUILDING SEWER  DRAINAGE (SOIL AND WASTE) SANITARY SEWER RECEIVES SANITARY SEWAGE WITH OR WITHOUT PRE-TREATED INDUSTRIAL WASTES AND WITHOUT ADMIXTURE OF RAIN OR GROUND WATER BUILDING SEWER STARTS FROM THE END OF THE BUILDING DRAIN AND CONVEYS IT TO A PUBLIC SEWER, PRIVATE SEWER, INDIVIDUAL SEWAGE DISPOSAL SYSTEM OR OTHER POINT OF DISPOSAL. HOUSE SEWER EXTENDING FROM THE HOUSE DRAIN AT A POINT 0.60 M FROM THE OUTSIDE FACE OF THE FOUNDATION WALL OF A BUILDING  DRAINAGE (SOIL AND WASTE) PRIVATE SEWER A BUILDING SEWER WHICH RECEIVES THE DISCHARGE FROM MORE THAN ONE BUILDING DRAIN AND CONVEYS IT TO A POINT OF DISPOSAL. PUBLIC SEWER A COMMON SEWER DIRECTLY CONTROLLED BY PUBLIC AUTHORITY LATERAL COMMON SEWER TO WHICH NO OTHER BRANCH SEWER IS CONNECTED MOBILE HOME PARK SEWER 0.6 M DOWNSTEAM FROM THE LAST MOBILE HOME SITE.  DRAINAGE (SOIL AND WASTE) VENT STACK THE VERTICAL PIPE INSTALLED PRIMARILY FOR PROVIDING CIRCULATION OF AIR.  DRAINAGE (STORM) LEADER A PIPE CONNECTED FROM BUILDING GUTTER TO THE DOWNSPOUT OR CONDUCTOR CONDUCTOR OR DOWNSPOUT A VERTICAL PIPE TO CONVEY RAINWATER. VERTICAL PORTION OF A RAINWATER CONDUCTOR CATCH BASIN RECEPTACLE IN WHICH LIQUIDS ARE RETAINED FOR SUFFICIENT PERIOD OF TIME TO ALLOW SETTLEABLE MATERIAL TO DEPOSIT HOUSE STORM SEWER PIPELINE FROM THE BUILDING TO PUBLIC OR STREET STORM DRAINAGE.  DISPOSAL TRAP A FITTING THAT PROVIDES A LIQUID SEAL WHICH PREVENTS THE BACK FLOW OF FOUL AIR. TRAP ARM THAT PORTION OF A FIXTURE DRAIN BETWEEN A TRAP AND THE VENT. TRAP SEAL THE MAXIMUM VERTICAL DEPTH OF LIQUID THAT A TRAP WILL RETAIN. SEAL THE VERTICAL DISTANCE BETWEEN THE DIP AND THE CROWN WEIR OF THE TRAP.  DISPOSAL TAILPIECE CONNECTS THE OUTLET OF A PLUMBING FIXTURE TO THE TRAP. GREASE TRAP RETAINS GREASE FROM 1-4 FIXTURES INTERCEPTOR (CLARIFIER) SEPARATES AND RETAINS DELETERIOUS, HAZARDOUS OR UNDESIRABLE MATTERS. SUMP RECEIVES SEWAGE OR WASTEWATER AND BELOW THE NORMAL GRADE OF THE GRAVITY SYSTEM.  DISPOSAL SEPTIC TANK A WATER-TIGHT RECEPTACLE WHICH RECEIVES THE DISCHARGE OF A SANITARY PLUMBING SYSTEM. SEEPAGE PIT A LOOSELY LINED EXCAVATION IN THE GROUND WHICH RECEIVES THE DISCHARGE OF A SEPTIC TANK CESSPOOL A NON-WATERTIGHT LINED EXCAVATION IN THE GROUND WHICH RECEIVES THE DISCHARGE OF A SANITARY DRAINAGE SYSTEM OR PART THEREOF. LEACHING CESSPOOL A CESSPOOL THAT IS NOT WATERTIGHT.  FITTINGS CAP A FITTING SCREWED OR CAULKED OVER THE END OF A PIPE FOR CLOSING THE PIPE END. BLANK FLANGE A PIPE FLANGE THAT IS NOT DRILLED FOR BOLT HOLES BLIND FLANGE A FLANGE THAT CLOSES THE END OF A PIPE. THERE IS NO OPENING FOR THE PASSAGE OF LIQUID OR GAS. DOUBLE-BEND FITTING A FITTING WITH ADJACENT REVERSE BENDS AND SHAPED LIKE THE LETTER “S”.  FITTINGS DOUBLE OFFSET TWO OFFSETS IN SUCCESSION OR IN SERIES SUCH THAT THE CENTERLINES OF THE OUTSIDE ENDS ARE IN THE SAME STRAIGHT LINE OFFSET A COMBINATION OF ELBOWS OR BENDS WHICH BRINGS ONE SECTION OF THE PIPE OUT OF LINE BUT INTO A LINE PARALLEL WITH THE ORIGINAL SECTION RETURN BEND AN OPEN RETURN BEND USUALLY MADE UP TWO 90 DEG BENDS  FITTINGS TAPPED TEE A TEE WITH THE BRANCH TAPPED TO RECEIVE A THREADED PIPE OR FITTINGS WYE A HOSE CONNECTION WITH TWO-GATED OUTLETS PERMITTING TWO CONNECTIONS DURHAM SYSTEM ALL PIPINGS ARE OF THREADED PIPE, TUBING, OR USING RECESSED DRAINAGE FITTINGS.  FIXTURES FIXTURES A RECEPTACLE OTHER THAN A TRAP IN WHICH WATER OR WASTES MAY BE COLLECTED OR RETAINED FOR ULTIMATE DISCHARGE INTO THE PLUMBING SYSTEM. PLUMBING FIXTURES APPROVED-TYPE INSTALLED RECEPTACLES, DEVICES OR APPLIANCES SUPPLIED WITH WATER OR RECEIVE LIQUID OR LIQUID-BORNE WASTES AND DISCHARGE SUCH WASTES IN THE DRAINAGE SYTEM  FIXTURES PLUMBING UNIT A MINIMUM STANDARD QUANTITY OF PLUMBING FIXTURES 1 WATER METER 1 WATER CLOSET 1 LAVATORY 1 SHOWER HEAD AND DRAIN FOR A BATHTUB OR SHOWER STALL 1 KITCHEN SINK 1 LAUNDRY TRAY 3 FLOOR DRAINS 4 FAUCETS/ HOSE BIBBS FIXTURE UNIT AN ARBITRARY QUANTITY OF THE LOAD-PRODUCING EFFECTS OR WATER REQUIREMENTS. EQUAL TO 28.3 LITERS/MINUTE, 1 CU.FT/MIN  FIXTURES PRIVATE OR PRIVATE USE PLUMBING FIXTURES FOR RESTRICTED USE PUBLIC OR PUBLIC USE ALL BUILDINGS OR STRUCTURES THAT ARE NOT DEFINED AS PRIVATE OR PRIVATE USE RECEPTOR ADEQUATELY RECEIVE THE DISCHARGE FROM INDIRECT WASTE PIPES, CONSTRUCTED AND LOCATED TO BE READILY CLEANED. BATTERY OF FIXTURES ANY OF TWO OR MORE SIMILAR ADJACENT FIXTURES WHICH DISCHARGE INTO A COMMON HORIZONTAL SOIL OR WASTE BRANCH.  FIXTURES COMMON INSTALLED TO SERVE MORE THAN ONE APPLIANCE, FIXTURE, BUILDING OR SYSTEM. BIBB SYNONYMOUS WITH FAUCET, COCK, TAP, PLUG, ETC. THE WORD FAUCET IS PREFERRED. BIDET USED FOR WASHING THE MIDDLE PRIVATE PART OF THE BODY, ESPECIALLY THE GENITALS. ALSO KNOWN AS “SITZ BATH” FAUCET A VALVE AT THE END OF A WATER PIPE THROUGH WHERE WATER CAN BE DRAWN FROM OR HELD WITHIN THE PIPE.  FIXTURES GOOSE NECK A RETURN BEND, ONE END IS 30 CM AND THE OTHER 7.5 CM LAVATORY FOR WASHING OF HANDS OR FACE SOMETIMES CALLED A WASH BASIN FLOOD LEVEL LEVEL WHICH WATER BEGINS TO OVERFLOW FLOOD LEVEL RIM THE TOP EDGE OF A RECEPTACLE FROM WHERE WATER OVERFLOWS  FIXTURES FLOODED THE LIQUID THEREIN RISES TO FLOOD LEVEL RIM RIM AN UNOBSTRUCTED TOP OPEN EDGE OF A FIXTURE FLUSH TANK A TANK LOCATED ABOVE OR INTEGRAL WITH WATER CLOSET OR URINAL FLUSHOMETER TANK INTEGRATED WITHIN AN AIR ACCUMULATOR VESSEL DESIGNED TO DISCHARGE A PREDETERMINED QUANTITY OF WATER  FIXTURES FLUSHOMETER VALVE DISCHARGES A PREDETERMINED QUANTITY OF WATER AND IS ACTUATED BY DIRECT WATER PRESSURE LATRINE A WATER CLOSET WITH CONTINUOUS TROUGH EXTENDING UNDER TWO OR MORE ADJACENT SEATS.  PIPE MATERIALS ABS ACYRLONITRILE BUTADIENE STYRENE PB POLYBUTELENE; BLACK; OVAL SHAPED DENOTED BY OD; USED AS WATER SERVICE CONNECTION FROM MAIN TO METER PE POLYETHYLENE; BLACK; CIRCULAR SHAPED DENOTED BY O.D. PVC POLYVINYL CHLORIDE BLUE – POTABLE WATER PIPING GRAY, ORANGE, BROWN – DRAINPIPES MANUFACTURED WITH TOXIC COMPONENTS IPS IRON PIPE SIZE  PIPES, PARTS OF, MEASUREMENT, ETC. PIPE A CYLINDRICAL CONDUIT OR CONDUCTOR DENOTED BY ITS I.D. TUBE A CYLINDRICAL CONDUIT OR CONDUCTOR DENOTED BY ITS O.D. HORIZONTAL PIPE PIPE OR FITTING OF NOT MORE THAN 45° WITH THE HORIZONTAL PLANE. VERTICAL PIPE PIPE OR FITTING OF NOT MORE THAN 45° WITH THE VERTICAL LINE GRADE IS THE SLOPE OR FALL OF A LINE OF PIPE  PIPES, PARTS OF, MEASUREMENT, ETC. PLUMBING APPLIANCE SPECIAL CLASS OF DEVICE OR EQUIPMENT INTENDED TO PERFORM A SPECIAL PLUMBING FUNCTION PLUMBING APPURTENANCE A MANUFACTURED DEVICE OR A PREFABRICATED ASSEMBLY THAT SERVES AS ADJUNCT TO THE BASIC PIPING SYSTEM AND PLUMBING FIXTURES SPIGOT THE END OF A PIPE WHICH FITS INTO A BELL. SYNONYMOUS WITH FAUCET BRANCH ANY PART OF THE PIPING SYSTEM OTHER THAN A MAIN, RISER, OR STACK.  PIPES, PARTS OF, MEASUREMENT, ETC. BRANCH INTERVAL LENGTH OF SOIL OR WASTE STACK CORRESPONDING IN GENERAL TO A STORY HEIGHT, BUT IN NO CASE LESS THAN 2.43 METERS. B&S SPECIFICATION BROWN AND SHARPE B&S END OF PIPES BELL AND SPIGOT LENGTH OF PIPE IS MEASURED ALONG ITS CENTERLINE. DEVELOPED LENGTH THE LENGTH OF A PIPE ALONG ITS CENTERLINE AND FITTINGS  PIPES, PARTS OF, MEASUREMENT, ETC. DIAMETER THE NOMINAL DIAMETER AS DESIGNATED COMMERCIALLY. I.D. – DENOTES INSIDE DIAMETER OF THE PIPE. O.D. – DENOTES OUTSIDE DIAMETER OF THE PIPE. EFFECTIVE OPENING MINIMUM CROSS-SECTIONAL AREA AT THE POINT OF WATER SUPPLY DISCHARGE. FERRULE A METALLIC SLEEVE, CAULKED OR JOINED TO AN OPENING IN A PIPE DEAD-END THE EXTENDED PORTION OF THE PIPE THAT IS CLOSED AT ONE END.  PIPES, PARTS OF, MEASUREMENT, ETC. INVERT LOWEST PORTION OF THE INTERIOR PART OF ANY PIPE OR CONDUIT THAT IS NOT VERTICAL. LATERAL IN PLUMBING, A SECONDARY PIPELINE MAIN THE PRINCIPAL ARTERY OF THE SYSTEM WHERE BRANCHES ARE CONNECTED DRAIN A PIPE, WHICH CARRIES GROUND AND SURFACE WATERS, STORM WATER OR WASTEWATER INTO A BUILDING DRAINAGE SYSTEM.  PIPES, PARTS OF, MEASUREMENT, ETC. SIAMESE CONNECTION A HOSE FITTING WITH CLAPPER VALVES FOR COMBINING THE FLOW FROM TWO OR MORE LINES OF HOSE. SUPPORTS SUPPORTS, HANGERS, ANCHORS, BRACKETS, CRADLES SWIMMING POOL A WATER BASIN USED FOR SWIMMING  PIPE JOINT BALL JOINT A BALL-SHAPED END IS HELD IN A CUPLIKE SHELL AND ALLOWS MOVEMENTS IN EVERY DIRECTION. BRAZED JOINT JOINTING BY A MELTED ALLOY BETWEEN 449°C SOLDERED JOINT JOINTING BY A MELTED ALLOY BETWEEN 149°C TO 427°C WELDED JOINT OR SEAM ANY JOINT OR SEAM OBTAINED BY THE JOINING OF METAL PARTS IN A PLASTIC MOLTEN STATE.  PIPE JOINT CAULKING PLUGGING AN OPENING WITH OAKUM, LEAD OR OTHER MATERIALS. THE MATERIAL POUNDED INTO THE ANNULAR OPENING OAKUM HEMP OR OLD HEMP ROPE SOAKED IN OIL OR TAR TO MAKE IT WATER PROOF BELL OR HUB THAT PORTION OF A PIPE WHICH IS SUFFICIENTLY ENLARGED TO RECEIVE THE END OF ANOTHER PIPE OF THE SAME DIAMETER FOR THE PURPOSE OF MAKING A CAULKED OR PUSH-IN JOINT. HUBLESS PIPES CAST IRON SOIL PIPES WITH PLAIN ENDS CONNECTED BY BOLTED STAINLESS STEEL BANDS AND NEOPRENE GASKETS  PIPE JOINT SHIELDED COUPLING AN APPROVED ELASTOMERIC SEALING GASKET WITH AN APPROVED OUTER SHIELD AND A TIGHTENING MECHANISM SLIP JOINT AN ADJUSTABLE TUBING CONNECTION, CONSISTING OF A COMPRESSION NUT, A FRICTION RING, AND A COMPRESSION WASHER  TOOL BENDING PIN (OR IRON) A TOOL FOR STRAIGHTENING OR BENDING LEAD PIPE  VALVES BACKWATER VALVE A DEVICE INSTALLED IN A DRAINAGE SYSTEM TO PREVENT REVERSE FLOW. BALL COCK A VALVE OPENED AND CLOSED BY THE FALL AND RISE OF AN ATTACHED BALL FLOATING ON THE SURFACE OF THE LIQUID. CHECK VALVE A VALVE THAT AUTOMATICALLY CLOSES TO PREVENT THE FLOW OF LIQUID OR GAS IN A REVERSE DIRECTION. CORPORATION COCK A STOP VALVE PLACED AT THE CONNECTION OF THE WATER SERVICE PIPE TO THE WATER MAIN.  VALVES GATE VALVE FLOW OF WATER IS CUT OFF BY A CIRCULAR DISC AGAINST MACHINE- SMOOTHED FACES, AT RIGHT ANGLES TO THE DIRECTION OF FLOW. GLOBE VALVE FLOW OF FLUID IS CUT OFF BY A CIRCULAR DISC OVER AND AGAINST THE HORIZONTAL VALVE SEAT, PARALLEL TO THE NORMAL DIRECTION OF FLOW OF WATER REGULATING EQIUIPMENT INCLUDES ALL VALVES AND CONTROLS USED IN PLUMBING SYSTEMS.  VALVES BLOW-OFF A CONTROLLED OUTLET OF A PIPELINE TO DISCHARGE LIQUID OR DETRITUS BOILER BLOW-OFF A VALVED OUTLET OF A BOILER THAT PERMITS DISCHARGE OF ACCUMULATED SEDIMENT  VENTS VENT SYSTEM PIPES INSTALLED TO PROVIDE FLOW OF AIR TO OR FROM A DRAINAGE SYTEM. VENT PIPE A PIPE OR OPENING USED FIR ENSURING THE CIRCULATION OF AIR IN A PLUMBING SYSTEM MAIN MAIN VENT VENT THE THE PRINCIPAL PRINCIPAL ARTERY ARTERY OF OF THE THE VENTING VENTING SYSTEM SYSTEM  VENTS COMBINATION WASTE AND VENT SYSTEM THE HORIZONTAL WET VENTING OF ONE OR MORE SINKS OR FLOOR DRAINS BY MEANS OF A COMMON HORIZONTAL WASTE AND VENT PIPE, ADEQUATELY SIZED TO PROVIDE FREE MOVEMENT OF AIR ABOVE THE FLOW LINE OF THE DRAIN. WET VENT THAT PORTION OF A VENT PIPE WHERE WASTEWATER ALSO FLOWS THROUGH MAIN VENT DRY THE VENT ARTERY OF THE VENTING SYSTEM PRINCIPAL DOES NOT CARRY LIQUID OR WATER-BORNE WASTES BRANCH VENT A HORIZONTAL VENT CONNECTING ONE OR MORE INDIVIDUAL VERTICAL BACK VENTS WITH THE VENT STACK OR STACK VENT  VENTS GROUP VENT A BRANCH VENT FOR 2 OR MORE TRAPS COMMON VENT UNIT VENT OR DUAL VENT UNIT VENT MAIN VENT THE ONEPRINCIPAL VENT PIPE ARTERY OF THE WILL SERVE TWOVENTING TRAPS SYSTEM CIRCUIT VENT A GROUP VENT PIPE THAT CONNECTS TO THE VENT STACK  VENTS LOOP OR CIRCUIT VENT VERTICAL VENT CONNECTION ON A HORIZONTAL SOIL OR WASTE PIPE BRANCH AT A POINT DOWNSTREAM OF THE LAST FIXTURE LOOP VENT – CONNECTS TO STACK VENT CIRCUIT VENT – CONNECTS TO VENT STACK CONTINUOUS MAIN VENT VENT A VERTICAL THE VENT PRINCIPAL THAT IS ARTERY OFATHE CONTINUATION OF THE DRAIN TO VENTING SYSTEM WHICH THE VENT CONNECTS RELIEF VENT PROVIDES ADDITIONAL CIRCULATION OF AIR BETWEEN THE DRAINAGE AND VENT SYSTEMS  VENTS YOKE VENT A PIPE CONNECTING UPWARD FROM A SOIL OR WASTE STACK BELOW THE FLOOR AND BELOW HORIZONTAL CONNECTION TO AN ADJACENT VENT STACK. REVENT PIPE BACKVENT PIPE MAIN VENT STACK VENT THE PRINCIPAL ARTERY OF THE VENTING SYSTEM THE EXTENSION OF A SOIL OR WASTE STACK ABOVE THE HIGHEST HORIZONTAL DRAIN. INDIVIDUAL VENT VENTS A FIXTURE TRAP AND CONNECTS ABOVE THE FIXTURE SERVED OR TERMINATES IN THE OPEN AIR.  VENTS BACKVENT PIPE CONNECTS DIRECTLY WITH AN INDIVIDUAL TRAP UNDERNEATH OR BEHIND THE FIXTURE. SOMETIMES CALLED AN INDIVIDUAL VENT. LOCAL VENT A PIPE OR SHAFT TO CONVEY FOUL AIR FROM A PLUMBING FIXTURE OR A ROOM TO THE OUTER AIR. MAIN VENT THE PRINCIPAL ARTERY OF THE VENTING SYSTEM  WATER CONDITION SANITARY SEWAGE THE WASTEWATER CONTAINING HUMAN EXCREMENTS AND LIQUID HOUSEHOLD WASTE ALSO CALLED DOMESTIC SEWAGE. DOMESTIC SEWAGE THE LIQUID AND WATERHOME WASTES DERIVED FROM ORDINARY LIVING PROCESSES, FREE FROM INDUSTRIAL WASTES MAIN VENT SEWAGE THE PRINCIPAL ARTERY OF THE VENTING SYSTEM ANY WASTEWATER CONTAINING ANIMAL OR VEGETABLE MATTER INDUSTRIAL WASTE WASTE WASTE FROM INDUSTRIAL OR COMMERCIAL PROCESSES, EXCEPT DOMESTIC SEWAGE.  WATER CONDITION LIQUID WASTE DISCHARGE FROM ANY FIXTURE, APPLIANCE OR APPURTENANCE WHICH DOES NOT RECEIVE FECAL MATTER. SPECIAL WASTES WASTES WHICH REQUIRE SOME SPECIAL METHODS OF HANDLING STORM WATER MAIN VENT RUNS OFF OVER THE EARTH SURFACE AFTER A STORM THE PRINCIPAL ARTERY OF THE VENTING SYSTEM GROUND WATER STANDS IN OR PASSES THROUGH THE GROUND SURFACE WATER RUNS OFF OVER THE SURFACE OF THE GROUND.  WATER SUPPLY WATER SUPPLY SYSTEM CONSISTS OF THE WATER SERVICE PIPE, WATER SUPPLY LINE, WATER DISTRIBUTING PIPE AND THE NECESSARY BRANCH PIPES, FITTINGS, VALVES AND ALL APPURTENANCES REQUIRED FOR THE SUPPLY OF POTABLE WATER WATER TREATMENT A DEVICE WHICH CONDITIONS OR TREATS WATER SUPPLY TO IMPROVE WATER QUALITY MAIN VENT WATER MAIN THE PRINCIPAL ARTERY OF THE VENTING SYSTEM OR STREET MAIN IS THE WATER-SUPPLY PIPE FOR PUBLIC OR COMMUNITY USE SERVICE PIPE THE PIPE FROM THE STREET WATER MAIN TO THE BUILDING SERVED.  WATER SUPPLY BUILDING SUPPLY THE PIPE CARRYING POTABLE WATER FROM THE WATER METER OR OTHER SOURCE OF WATER SUPPLY TO A BUILDING OR OTHER POINT OF USE OR DISTRIBUTION ON THE LOT. SHALL ALSO MEAN WATER SERVICE CONNECTION. WATER DISTRIBUTING PIPE CONVEYS POTABLE WATER FROM THE BUILDING SUPPLY PIPE TO THE PLUMBING FIXTURES MAIN VENT RISER THE PRINCIPAL ARTERY OF THE VENTING SYSTEM A WATER SUPPLY PIPE EXTENDING VERTICALLY TO ONE FULL STORY OR MORE. FIXTURE BRANCH PIPE BETWEEN THE FIXTURE SUPPLY PIPE AND THE WATER-DISTRIBUTING PIPE  WATER SUPPLY FIXTURE SUPPLY PIPE CONNECTING THE FIXTURE WITH THE FIXTURE BRANCH STANDPIPE A VERTICAL PIPE, OR A RESERVOIR, INTO WHICH WATER IS PUMPED TO GIVE IT A HEAD MAIN WET VENT STANDPIPE THE PRINCIPAL WATER PRESSUREARTERY OF THE VENTING IS MAINTAINED SYSTEM AT ALL TIMES  WATER SUPPLY AUTOMATIC STANDPIPE SYSTEM OPERATES AUTOMATICALLY BY OPENING A HOSE VALVE MANUALLY-OPERATED STANDPIPE SYSTEM REMOTE CONTROL DEVICE AT EACH HOSE STATION MAIN VENT DRY STANDPIPE THE PRINCIPAL ARTERY OF THE VENTING SYSTEM HAVING NO PERMANENT WATER INSIDE THE PIPE  PLUMBING QUALITY CONTAMINATION AN ACTUAL HAZARD TO THE PUBLIC HEALTH THROUGH POISONING OR SPREAD OF DISEASE BY SEWAGE, INDUSTRIAL FLUIDS OR WASTE DEFINED AS HIGH HAZARD POLLUTION MAIN VENT ADVERSELY AFFECTS THE AESTHETIC AND POTABLE QUALITIES OF WATERS THE PRINCIPAL ARTERYFOR OF DOMESTIC USESYSTEM THE VENTING INSANITARY A CONDITION CONTRARY TO SANITARY PRINCIPLES OR INJURIOUS TO HEALTH  PLUMBING QUALITY NUISANCE DANGEROUS TO HUMAN LIFE OR DETRIMENTAL TO HEALTH; INADEQUATE OR UNSAFE WATER SUPPLY POTABLE WATER WATER SATISFACTORY FOR DRINKING, CULINARY, MAIN AND VENTPURPOSES. DOMESTIC THE PRINCIPAL ARTERY OF THE VENTING SYSTEM QUALITY OF MATERIALS ALL PLUMBING FIXTURES AND MATERIALS SHALL BE FREE FROM DEFECTS  MISCELLANEOUS MAY A PERMISSIVE TERM SHALL DENOTES MANDATORY ACCEPTATION FAMILY ONE PERSON LIVING ALONE OR A GROUP MAIN LIVING VENT TOGETHER THE PRINCIPAL ARTERY OF THE VENTING SYSTEM PERSON A NATURAL PERSON, HIS HEIRS, EXECUTORS, ADMINISTRATORS, FIRM, ADMINISTRATORS, FIRM, PARTNERSHIP OR CORPORATION.  MISCELLANEOUS PLUMBING FIRM A SOLE PROPREITORSHIP OR CORPORATION WITH RLMPs TOGETHER WITH ALLIED PROFESSIONALS; MAJORITY ARE MASTER PLUMBERS PIPELINE WELDER A PERSON WHO SPECIALIZES IN THE WELDING OF PIPES PRESSURE MAIN VENT THE NORMAL FORCE EXERTED BY A HOMOGENOUS THE PRINCIPAL LIQUID OR GAS.ARTERY OF THE VENTING SYSTEM STATIC PRESSURE- THE PRESSURE EXISTING WITHOUT ANY FLOW MOTION RESIDUAL PRESSURE- TH PRESSURE AVAILABLE AT THE FIXTURE OR WATER OUTLET.