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UTILITIES

UTILITIES. 1 st day (1:00PM – 6:00PM) 150 items: includes Building Technology & Structural System(50% correct answers) 5 subjects in UTILITIES: (Plumbing & Sanitary Engineering, Electrical & Mechanical Systems of Buildings, Acoustics & Lighting)

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UTILITIES

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  1. UTILITIES 1st day (1:00PM – 6:00PM) 150 items: includes Building Technology & Structural System(50% correct answers) 5 subjects in UTILITIES: (Plumbing & Sanitary Engineering, Electrical & Mechanical Systems of Buildings, Acoustics & Lighting) Trend: 50% Plumbing & Electrical; 30% Mechanical; 20% Acoustics & Lighting

  2. BOA SYLLABUS Design and construction and/or installation of the following utilities systems: • Sanitary & Plumbing Systems & Equipments • Mechanical Systems • Electrical & other Power Systems • Acoustics & Illumination • Disaster Prevention & Protection Systems; Security Systems • Communication Systems • High-tech Systems

  3. Sanitary & Plumbing Systems & Equipments • Water source, storage, supply and distribution • Plumbing roughing-in and fixtures • Drainage and sewerage systems • Waste disposal treatment and recycling

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

  5. Electrical and other Power Systems • Electrical power and lighting supply, distribution, and fixtures • Electrical power sources and alternative power sources

  6. Acoustics & Illumination • The psycho-physics of acoustics and lighting • Acoustical treatment and corrections

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

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

  9. High-tech Systems • Application in buildings and structures • Robotics • Intelligent buildings

  10. Sanitary & Plumbing Systems & Equipments (Chapter 2 – Plumbing Terms/Definitions - NPCP) GENERAL TERMS ALLEY 2 – 3 meters ALTER OR ALTERATION change, addition, modification ACCESSIBLE without obstruction

  11. GENERAL TERMS AUTHORITY, ADMINISTRATIVE administer /enforce NPCP BUILDING structure built CHASE vertical shaft (pipe stacks) COMBUSTIBLE CONSTRUCTION burn at temperature of 756ºC or less COURT open, unoccupied space

  12. GENERAL TERMS INSANITARY injurious to health MASTER PLUMBER Registered Master Plumber (RMP) NAMPAP Nat’l Master Plumbers Association of the Phils. PLUMBING art & technique of installing

  13. GENERAL TERMS PLUMBING APPLIANCE special class; device PLUMBING APPURTENANCE adjunct to basic piping system & fixtures CONFINED SPACE having a volume less than 1.4 cu.m UNCONFINED SPACE having a volume equal to at least 1.4 cu.m of aggregate input rating of fuel-burning appliance

  14. GENERAL TERMS PLUMBING FIXTURES(fixture; receptacle) FIXTURE(receptacle other than a trap) PLUMBING OFFICIAL(Administrative 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

  15. GENERAL TERMS PRIVATE/PRIVATE USE PUBLIC/PUBLIC USE QUALITY OF MATERIALS (free from defects) REPAIR reconstruction or renewal of any part SHAFT vertical opening (elevators, dumbwaiter; air well) STOREY HEIGHT OF BUILDING from “Grade Line” to highest point of coping

  16. WATER SOURCE, STORAGE, SUPPLY BIBB faucet, cock, tap, plug BRANCH other than main, riser, stack BRANCH INTERVAL(2.43M, 8’, storey height) BRANCH, FIXTURE – Fixture Branch; supply pipe BRANCH, HORIZONTAL – Horizontal Branch

  17. WATER SOURCE, STORAGE, SUPPLY BUILDING SUPPLY water service connection CONTAMINATION impairment of potable water (high hazard) CORPORATION COCK stop valve connected to water service pipe to main FAUCET valve located at end of water pipe

  18. WATER SOURCE, STORAGE, SUPPLY FIXTURE SUPPLY water supply pipe GOOSENECK return bend; 30cm.-7.5cm; 3” (faucet); between service pipe and main GROUND WATER standing in or passing through

  19. WATER SOURCE, STORAGE, SUPPLY HIGH HAZARD (contamination) LOW HAZARD (pollution) MAIN principal artery POTABLE WATER(85% corrected) PRESSURE STATIC – w/o any flow motion RESIDUAL - pressure drop (friction loss, head, meter)

  20. WATER SOURCE, STORAGE, SUPPLY SERVICE PIPE (Water Service; Building Supply) SPIGOT (synonymous with faucet) SURFACE WATER(river, lakes, seas, ocean) WATER DISTRIBUTING PIPE(Distributing Main) WATER MAIN (Main Water Line; Main Water Supply, Main Water Source, Street Main) WATER SUPPLY SYSTEM water service pipe, water supply line, water distributing pipe, branch pipes, fittings, valves, appurtenances

  21. DISTRIBUTION SYSTEMS BACKFLOW water from any source other than regular source BACKFLOW CONNECTION reverse flow can occur BACKPRESSURE BACKFLOW increased reverse pressure above the supply pressure BACKFLOW PREVENTER vacuum breaker

  22. DISTRIBUTION SYSTEMS BACK SIPHONAGE backflow/negative pressure BACKWATER VALVE (drainage system); prevent reverse flow BLOW-OFF controlled outlet to discharge liquid/detritus BOILER BLOW-OFF valved outlet to discharge accumulated sediments CHECK VALVE automatically closes to prevent reverse direction

  23. DISTRIBUTION SYSTEMS GATE VALVE at right angles; raised/lowered by threaded stem GLOBE VALVE fits against the valve seat (tortuous passage) REGULATING EQUIPMENT valves & controls RISER vertical water pipe/extends one full storey

  24. PLUMBING ROUGHING-INS & FIXTURES ABS Acrylonitrile Butadiene Styrene; black pipe 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

  25. PLUMBING ROUGHING-INS & FIXTURES BALL COCK valve of an attached ball floating (input) BALL JOINT 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

  26. PLUMBING ROUGHING-INS & FIXTURES BENDING PIN OR IRON straightening/bending lead pipe BIDET middle private part; “sitz bath”, foot bath BLANK FLANGE not drilled for bolt holes BLIND FLANGE closes end of pipe BRAZED JOINT melts at temperatures higher than 449°C

  27. PLUMBING ROUGHING-INS & FIXTURES B & S Brown & Sharpe (specification); bell and spigot (ends of pipe) CAULKING plugging with oakum, lead CAP fitting; closing the pipe end DEAD-END extended portion of pipe closed at one end

  28. PLUMBING ROUGHING-INS & FIXTURES DEVELOPED LENGTH length of pipe at centerline and fittings DIAMETER nominal diameter as designated commercially DOUBLE-BEND FITTING shaped liked the letter ‘S’ DOUBLE OFFSET 2 offsets in succession DURHAM SYSTEM of threaded pipe, tubing, rigid construction

  29. PLUMBING ROUGHING-INS & FIXTURES EFFECTIVE OPENING cross-sectional area of water supply FERRULE metallic sleeve; plug is screwed FIXTURE DRAIN from trap of fixture to junction of drain FIXTURE UNIT 7 ½ gpm; 28.3 liters per minute (1 cu.ft/minute) FLOOD LEVEL– Critical Level (C-L or C/L) water begins to overflow

  30. PLUMBING ROUGHING-INS & FIXTURES FLOOD LEVEL RIM top edge of a receptacle FLUSH TANK flushing/removing excrements FLUSH VALVE using water directly from water supply pipes FLUSHOMETER TANK predetermined; air accumulator vessel FLUSHOMETER VALVE actuated by direct water pressure

  31. PLUMBING ROUGHING-INS & FIXTURES GRADE slope/fall; pitch HANGERS(Supports) anchors, brackets, cradles HORIZONTAL BRANCH HORIZONTAL PIPE extending laterally; angle of not more than 45° HUBLESS PIPE CIP (plain ends) bolted steel bands, neoprene gasket

  32. PLUMBING ROUGHING-INS & FIXTURES I.P.S.(Iron Pipe Size) INVERT lowest portion of inside of pipe LATERAL secondary pipeline LATRINE water closet w/ trough LAVATORY wash basin

  33. PLUMBING ROUGHING-INS & FIXTURES LENGTH OF PIPE as measured along OAKUM hemp; hemp rope OFFSET combination of elbows & bends in piping line PB(Polybutylene) black; cross sectional area: oval PE(Polyethylene) black; cross sectional area: circular

  34. PLUMBING ROUGHING-INS & FIXTURES PIPE(cylindrical conduit; “pipe size”; I.D.) PITCH(Grade) PVC(Polyvinyl Chloride) potable (blue), gray, orange, brown RETURN BEND 2 - 90° bends; 180° bend in copper tubings RIM (unobstructed top open edge of fixture) ROUGHING-IN(minus the fixtures)

  35. PLUMBING ROUGHING-INS & FIXTURES SHIELDED COUPLING(elastomeric sealing gasket) SIZE OF TUBING(Diameter) SLIP JOINT (compression nut/washer; friction ring) SLOPE (Grade) SOLDERED JOINT temp. below 427°C and above 149°C SUPPORTS hangers, anchors, brackets, cradles

  36. PLUMBING ROUGHING-INS & FIXTURES TAILPIECE cut pipe TAPPED TEE cast iron fitting with thread [Street Elbow) TUBE conduit/conductor (O.D.) VERTICAL PIPE not more than 45° with vertical line WELDED JOINT OR SEAM joining of metal parts in plastic molten state

  37. MUNICIPAL SEWAGE DISPOSAL DOMESTIC SEWAGE liquid/water-borne wastes (free from industrial wastes); Sanitary Sewage DRAIN pipe (ground/surface waters, storm water, wastewater in bldg. drainage system) DRAINAGE SYSTEM pipings; convey sewage/liquid wastes INDUSTRIAL WASTE free from fecal matter

  38. MUNICIPAL SEWAGE DISPOSAL LIQUID WASTE discharge from fixture; no fecal matter MAIN SEWER (Public Sewer) common sewer PUBLIC SEWER(directly controlled by public authority) MAIN VENT (Vent Stack) MANHOLE access chamber

  39. MUNICIPAL SEWAGE DISPOSAL PRIMARY BRANCH base of a stack to its junction with main building drain SANITARY SEWAGE (Domestic Sewage) SANITARY SEWER(Domestic Sewer) no storm water; ground water SECONDARY BRANCH lateral

  40. MUNICIPAL SEWAGE DISPOSAL SEWAGE liquid waste; storm/ground water; wastewater SEWER pipe/conduit SEWERAGE, SEWERAGE WORKS constructions for collection, transportation, pumping, treatment, final disposition of sewage WASTE(Liquid Waste; Industrial waste) WATER TREATMENT remove suspended solids by filtration

  41. PRIVATE SEWAGE DISPOSAL CESSPOOL non-watertight lined excavation; permitting liquid to seep (bottom and sides) LEACHING CESSPOOL(not water tight) PRIVATE SEWAGE DISPOSAL SYSTEM effluent discharging to subsurface disposal field PRIVATE SEWER privately owned; not controlled by public authority

  42. PRIVATE SEWAGE DISPOSAL PRIVY(Outhouse) PRIVY VAULT(Pit) SEEPAGE PIT (Dry Well; Leaching Cesspool) SEPTIC TANK watertight receptacle

  43. HOUSE SEWER, HOUSE DRAIN & HOUSE DRAIN APPLIANCES BUILDING DRAIN lowest horizontal piping BUILDING SEWER starts from the end of building drain BUILDING SUBDRAIN cannot drain by gravity HOUSE DRAIN(Building Drain) HOUSE SEWER(Building Sewer)

  44. HOUSE SEWER, HOUSE DRAIN & HOUSE DRAIN APPLIANCES INDIRECT WASTE PIPE indirectly connected with building drainage RECEPTOR receive discharge from indirect waste pipe SPECIAL WASTES (use of indirect waste piping/receptors) SUBSOIL DRAIN(Building Subdrain) SUMP (Sewage Ejector) emptied by mechanical means

  45. PLUMBING SYSTEM TRAPS CLARIFIER interceptor; grease trap GREASE INTERCEPTOR 3 cu.m. capacity GREASE TRAP(interceptor; clarifier) retain grease from one to four fixtures INTERCEPTOR(Clarifier) SAND INTERCEPTOR(Interceptor)

  46. PLUMBING SYSTEM TRAPS SEAL(trap seal; water seal) vertical distance from crown weir to top dip TRAP prevents backflow of foul air/methane gas TRAP ARM between trap and vent TRAP SEAL(Seal, Water Seal)

  47. STORM DRAINAGE CATCH BASIN allows settleable materials to deposit CONDUCTOR vertical pipe to convey rainwater DOWNSPOUT vertical portion of rainwater conductor HOUSE STORM SEWER to the public storm sewer LEADER (from gutter to downspout) STORM WATER(Rain Water)

  48. SOIL & WASTE PIPE WASTE PIPE free from fecal matter SOIL STACK PIPE vertical soil pipe SOIL PIPE discharge of WC, UR and the likes STACK(vertical line: soil, waste, vent)

  49. VENTILATION BACKVENT PIPE individual vent; revent pipe BRANCH VENT horizontal vent CIRCUIT VENT connects to a vent stack; loop vent COMMON VENT unit vent; dual vent; (back to back arrangement of pipes)

  50. VENTILATION COMBINATION WASTE & VENT SYSTEM horizontal wet venting (sinks/floor drains) CONTINIOUS VENT continuation of the drain to w/c vent connects CONTINIOUS WASTE drain connecting compartments DRY VENT does not carry liquid or water-borne wastes

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