Building Utilities 164b10

UTILITIES  2nd day (8:00AM – 12:00NN)  100 items (50% correct answers)  5 subjects: (Plumbing & Sanitary Engineering, Electrical & Mechanical Systems of Buildings, Acoustics & Lighting)  50% Plumbing & Electrical; 30% Mechanical; 20% Acoustics & Lighting

BOA SYLLABUS

Design and construction and/or installation of the following utilities systems: 1. Sanitary & Plumbing Systems & Equipments 2. Mechanical Systems 3. Electrical & other Power Systems 4. Acoustics & Illumination 5. Disaster Prevention & Protection Systems; Security Systems 6. Communication Systems 7. High-tech Systems

Sanitary & Plumbing Systems & Equipments a. b. c. d.

Water source, storage, supply and distribution Plumbing roughing-in and fixtures Drainage and sewerage systems Waste disposal treatment and recycling

Mechanical Systems a. Heating, ventilating and air-conditioning systems b. Conveyors and other building mechanical equipments

Electrical and other Power Systems a. Electrical power and lighting supply, distribution, and fixtures b. Electrical power sources and alternative power sources

Acoustics & Illumination a. The psycho-physics of acoustics and lighting b. Acoustical treatment and corrections

Disaster Prevention & Protection Systems; Security Systems a. Building fire-fighting, prevention, and protection apparatus b. Installation and/or construction c. Materials and fixtures d. Disaster prevention and mitigation systems

Communication Systems a. Electronic systems b. Telephone, intercom, cable TV, audio/video facilities, PA system

High-tech Systems a. b. c.

Application in buildings and structures Robotics Intelligent buildings

Sanitary & Plumbing Systems & Equipments National Plumbing Code of the Philippines (Chapter 2 – Plumbing /Definitions) ABS Acrylonitrile Butadiene Styrene; black pipe ALLEY 2 – 3 meters ALTER OR ALTERATION change, addition, modification

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ACCESSIBLE without obstruction AIRBREAK physical separation AIR GAP, DRAINAGE unobstructed vertical distance between lowest opening (waste) to flood level rim AIR GAP, WATER DISTRIBUTION unobstructed vertical distance between lowest opening (potable water) to flood level rim

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AUTHORITY, ISTRATIVE ister /enforce NP BACKFLOW water from any source other than regular source BACKFLOW CONNECTION reverse flow can occur BACKPRESSURE BACKFLOW increased reverse pressure above the supply pressure

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BACKFLOW PREVENTER vacuum breaker BACK SIPHONAGE backflow/negative pressure BACKWATER VALVE (drainage system); prevent reverse flow BACKVENT PIPE individual vent; revent pipe

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BALL COCK valve of an attached ball floating (input) BALL T ball-shaped end held in cuplike shell BATHROOM with shower stall or bathtub BATTERY OF FIXTURES 2 or more similar, adjacent fixtures BELL OR HUB sufficiently enlarged to receive end of pipe

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BENDING PIN OR IRON straightening/bending lead pipe BIBB faucet, cock, tap, plug BIDET middle private part; “sitz bath”, foot bath BLANK FLANGE not drilled for bolt holes BLIND FLANGE closes end of pipe

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BLOW-OFF controlled outlet to discharge liquid/detritus BOILER BLOW-OFF valved outlet to discharge accumulated sediments BRANCH other than main, riser, stack BRANCH INTERVAL storey height; 2.43 meters BRANCH, FIXTURE water supply pipe (bet. fixture supply pipe and water-distributing pipe)

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BRANCH, HORIZONTAL drain pipe extending laterally w/ or w/o vertical sections BRANCH VENT horizontal vent BRAZED T melts at temperatures higher than 449°C B&S Brown & Sharpe (specification); bell and spigot (ends of pipe)

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BUILDING structure built BUILDING DRAIN lowest horizontal piping; 0.6 m outside bldg. wall BUILDING SEWER starts from the end of the building drain BUILDING SUBDRAIN cannot drain by gravity BUILDING SUPPLY water service connection

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CAULKING plugging with oakum, lead CAP fitting; closing the pipe end CATCH BASIN receptacle to allow settleable material to deposit CESSPOOL non-watertight lined excavation; permitting liquid to seep (bottom and sides) CHASE vertical shaft (pipe stacks)

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CHECK VALVE automatically closes to prevent reverse direction CIRCUIT VENT connects to a vent stack; loop vent CLARIFIER interceptor; grease trap COMMON VENT unit vent; dual vent; (back to back arrangement of pipes)

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COMBINATION WASTE & VENT SYSTEM horizontal wet venting (sinks/floor drains) COMBUSTIBLE CONSTRUCTION ignite/burn at 756°C or less CONFINED SPACE vol. less than 1.4 cu.m. w/ 250 kg cal of aggregate input rating (fuel-burning appliances) CONTAMINATION impairment of potable water (high hazard)

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CONTINIOUS VENT continuation of the drain to w/c vent connects CONTINIOUS WASTE drain connecting compartments CONDUCTOR OR DOWNSPOUT vertical pipe to convey rain water CORPORATION COCK stop valve connected to water service pipe to main COURT open, unoccupied space

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CRITICAL LEVEL min. elevation above flood level rim CROSS-CONNECTION bet. potable water supply and plumbing fixture DEAD-END extended portion of pipe closed at one end DEVELOPED LENGTH length of pipe at centerline and fittings DIAMETER nominal diameter as designated commercially

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DOMESTIC SEWAGE liquid/water-borne wastes (free from industrial wastes; Sanitary Sewage DOUBLE-BEND FITTING shaped liked the letter ‘S’ DOUBLE OFFSET 2 offsets in succession DOWNSPOUT vertical portion of rainwater conductor

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DRAIN pipe (ground/surface waters, storm water, wastewater in bldg. drainage system) DRAINAGE SYSTEM pipings; convey sewage/liquid wastes DRY VENT does not carry liquid or water-borne wastes DUAL VENT common vent; unit vent

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DURHAM SYSTEM of threaded pipe, tubing, rigid construction EFFECTIVE OPENING cross-sectional area of water supply FAUCET valve located at end of water pipe FERRULE metallic sleeve; plug is screwed FIXTURE receptacle

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FIXTURE BRANCH supply pipe FIXTURE DRAIN from trap of fixture to junction of drain FIXTURE SUPPLY water supply pipe FIXTURE UNIT 7 ½ gpm; 28.3 liters per minute (1 cu.ft/minute) FLOOD LEVEL water begins to overflow

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FLOOD LEVEL RIM top edge of a receptacle FLOOR AREA exclusive of vent shafts and courts FLUSH TANK flushing/removing excrements FLUSH VALVE using water directly from water supply pipes

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FLUSHOMETER TANK predetermined; air accumulator vessel FLUSHOMETER VALVE actuated by direct water pressure GATE VALVE at right angles; raised/lowered by threaded stem GLOBE VALVE fits against the valve seat (tortuous age)

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GOOSENECK return bend; 30cm.-7.5cm; 3” (faucet); between service pipe and main GRADE slope/fall; pitch GREASE INTERCEPTOR 3 cu.m. capacity GREASE TRAP (interceptor; clarifier) retain grease from one to four fixtures

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GROUND WATER standing in or ing through GROUP VENT branch vent HANGERS (s) anchors, brackets, cradles HEIGHT OF BUILDING grade line to the highest point of coping HIGH HAZARD (contamination)

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HORIZONTAL BRANCH HORIZONTAL PIPE extending laterally; angle of not more than 45° HOUSE DRAIN (Building Drain) HOUSE SEWER (Building Sewer) HOUSE STORM SEWER to the public storm sewer

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HUBLESS PIPE CIP (plain ends) bolted steel bands, neoprene gasket INDIRECT WASTE PIPE indirectly connected with building drainage INDIVIDUAL VENT (Back Vent Pipe; Revent Pipe) INDUSTRIAL WASTE free from fecal matter I.P.S. (Iron Pipe Size) INSANITARY injurious to health

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INTERCEPTOR (Clarifier) INVERT lowest portion of inside of pipe LATERAL secondary pipeline LATRINE water closet w/ trough LAVATORY wash basin LEACHING CESSPOOL (not water tight)

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LEADER (from gutter to downspout) LENGTH OF PIPE as measured along LIQUID WASTE discharge from fixture; no fecal matter LOCAL VENT convey foul air to outer air LOOP OR CIRCUIT VENT MAIN principal artery

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MAIN SEWER (Public Sewer) common sewer MAIN VENT (Vent Stack) MANHOLE access chamber MASTER PLUMBER ed Master Plumber (RMP) NAMPAP Nat’l Master Plumbers Association of the Phils. OAKUM hemp; hemp rope

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OFFSET combination of elbows & bends in piping line PB (Polybutylene) black; cross sectional area: oval PE (Polyethylene) black; cross sectional area: circular PITCH (Grade) PLUMBING art & technique of installing PLUMBING APPLIANCE special class; device

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PLUMBING APPURTENANCES adjunct to basic piping system & fixtures PLUMBING FIXTURES (fixture; receptacle) PLUMBING OFFICIAL (istrative Authority) PLUMBING SYSTEM (water supply & drainage) PLUMBING UNIT min. standard quantity [ one (1) water meter, one (1) water closet, one (1) lavatory, one (1) shower head & drain for bathtub or shower stall, one (1) kitchen sink, one (1) laundry tray, three (3) floor drains, four (4) faucets/hose bibbs

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POTABLE WATER (85% corrected) PRESSURE STATIC – w/o any flow motion RESIDUAL - pressure drop (friction loss, head, meter) PRIMARY BRANCH base of a stack to its junction with main building drain PRIVATE/PRIVATE USE PRIVATE SEWAGE DISPOSAL SYSTEM effluent discharging to subsurface disposal field

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PRIVATE SEWER privately owned; not controlled by public authority PRIVY (Outhouse) PRIVY VAULT (Pit) PUBLIC/PUBLIC USE PUBLIC SEWER common sewer controlled by public authority PVC (Polyvinyl Chloride) potable (blue), gray, orange, brown RECEPTOR receive discharge from indirect waste pipe

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REGULATING EQUIPMENT valves & controls RELIEF VENT acts as auxiliary vent RETURN BEND 2 - 90° bends; 180° bend in copper tubings REVENT PIPE (Back Vent Pipe) RIM (unobstructed top open edge of fixture) RISER vertical water pipe/extends one full storey ROUGHING-IN (minus the fixtures)

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SAND INTERCEPTOR (Interceptor) SANITARY SEWAGE (Domestic Sewage) SANITARY SEWER (Domestic Sewer) no storm water; ground water SEAL (trap seal; water seal) vertical distance from crown weir to top dip SECONDARY BRANCH lateral SEEPAGE PIT (Dry Well; Leaching Cesspool) SEPTIC TANK watertight receptacle

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SERVICE PIPE (Water Service; Building Supply) SEWAGE liquid waste; storm/ground water; wastewater SEWER pipe/conduit SEWERAGE, SEWERAGE WORKS constructions for collection, transportation, pumping, treatment, final disposition of sewage SHAFT vertical opening (elevators, dumbwaiter; air well)

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SIAMESE CONNECTION hose fitting; wye connection SIPHONAGE suction; less than atmospheric pressure SHIELDED COUPLING elastomeric sealing gasket SLIP T (compression nut/washer; friction ring) SLOPE (Grade) SOIL STACK PIPE vertical soil pipe

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SOIL PIPE discharge of WC, UR and the likes SOLDERED T temp. below 427°C and above 149°C SPIGOT (synonymous with faucet) SPECIAL WASTES (use of indirect waste piping/receptors) STACK (vertical line: soil, waste, vent) STACK VENT (Main Soil & Waste Vent)

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STANDPIPE fire fighting vertical pipe 1. Wet Standpipe – water pressure maintained 2. Automatic Standpipe System – operates by opening a hose valve 3. Manually-Operated Standpipe System – remote control device at each hose station 4. Dry Standpipe – no permanent water inside pipe

STOREY STORM WATER (Rain Water) SUBSOIL DRAIN (Building Subdrain)

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SUMP (Sewage Ejector) emptied by mechanical means S hangers, anchors, brackets, cradles SURFACE WATER (river, lakes, seas, ocean) SWIMMING POOL water basin TAILPIECE cut pipe

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TAPPED TEE cast iron fitting with thread [Street Elbow) TRAP prevents backflow of foul air/methane gas TRAP ARM between trap and vent TRAP SEAL (Seal, Water Seal) TUBE conduit/conductor (O.D.)

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UNCONFINED SPACE vol. equal to 1.4 cu.m UNIT VENT (common vent; dual vent) VACUUM (siphonage) VACUUM BREAKER (Backflow Preventer) VENT PIPE for ensuring circulation of air VENT STACK (Main Vent) VENT SYSTEM protect trap seals from siphonage/backpressure

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VERTICAL PIPE not more than 45° with vertical line WASTE (Liquid Waste; Industrial waste) WASTE PIPE free from fecal matter WATER TREATMENT remove suspended solids by filtration WATER DISTRIBUTING PIPE (Distributing Main) WATER MAIN (Main Water Line; Main Water Supply, Main Water Source, Street Main)

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WATER SUPPLY SYSTEM water service pipe, water supply line, water distributing pipe, branch pipes, fittings, valves, appurtenances WET VENT vent pipe w/c liquid waste flows WELDED T/SEAM ing of metal parts in plastic molten state

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WYE hose connection; two-gated outlets YOKE VENT for preventing pressure changes in the stacks