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    Proposed Three (3) Storey Apartment: Hydraulic Calculations of Wet Standpipe System and Technical Specifications

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    Jessica Vargas
    This document provides calculations and technical specifications for a wet standpipe system for a proposed three-storey apartment building. It includes calculations for the required water flow and pressure based on the building area and hose streams. It also specifies the fire pump requirements, pipe materials and fittings, valves, signs, and other components of the wet standpipe system. A bill of materials is provided listing the equipment and quantities needed to install the system.

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    © All Rights Reserved
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    Proposed Three (3) Storey Apartment: Hydraulic Calculations of Wet Standpipe System and Technical Specifications

    Uploaded by

    Jessica Vargas
    533 views4 pages
    This document provides calculations and technical specifications for a wet standpipe system for a proposed three-storey apartment building. It includes calculations for the required water flow and pressure based on the building area and hose streams. It also specifies the fire pump requirements, pipe materials and fittings, valves, signs, and other components of the wet standpipe system. A bill of materials is provided listing the equipment and quantities needed to install the system.

    Original Title

    FIRE PRO.xlsx

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    This document provides calculations and technical specifications for a wet standpipe system for a proposed three-storey apartment building. It includes calculations for the required water flow and pressure based on the building area and hose streams. It also specifies the fire pump requirements, pipe materials and fittings, valves, signs, and other components of the wet standpipe system. A bill of materials is provided listing the equipment and quantities needed to install the system.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    533 views4 pages

    Proposed Three (3) Storey Apartment: Hydraulic Calculations of Wet Standpipe System and Technical Specifications

    Uploaded by

    Jessica Vargas
    This document provides calculations and technical specifications for a wet standpipe system for a proposed three-storey apartment building. It includes calculations for the required water flow and pressure based on the building area and hose streams. It also specifies the fire pump requirements, pipe materials and fittings, valves, signs, and other components of the wet standpipe system. A bill of materials is provided listing the equipment and quantities needed to install the system.

    Copyright:

    © All Rights Reserved
    Download as XLSX, PDF, TXT or read online from Scribd
    Download as xlsx, pdf, or txt
    of 4

    HYDRAULIC CALCULATIONS OF WET STANDPIPE SYSTEM AND TECHNICAL SPECIFICATIONS

    PROPOSED THREE (3) STOREY APARTMENT


    DESIGN DATA : Light Hazard

    SYSTEM TYPE : Wet Stand Pipe

    DENSITY (gpm/ft²) : 0.15

    AREA APPLICATION ft²(m²) : 5431(504)

    HOSE STREAMS, gpm(lpm) : 100(378)

    TOTAL WATER REQ'D, : 100(379)


    gpm(lpm)
    CALCULATION DATA:
    Type of Building Structure : Three (3) Storey
    Occupancy Classification : Light Hazard
    Elevation of Building : 10.5 m. (34.44 ft.)
    Pump Room Location : Ground Floor
    Fire Reserve Tank Location : Ground Floor
    Tank Capacity : 6,000 Gals
    Fire Sprinkler Time Duration : 30-60 minutes
    Tank Dimension : 2.75m x 2.75m x 3.5m

    1 FIRE HOSE CABINET


    1.1 Fire hose cabinet shall be fully recessed. Frame shall be gage 18 steel with white interior
    and red exterior enamel paint finish over primer. Door frame shall be aluminum.
    1.2 Unit shall be consist of the following:
    One (1) - 40mm x 30 M single jacket hose with brass coupling.
    One (1) - 40mm combination fog and solid stream nozzle, brass.
    One (1) - Semi-Automatic rack, brass finish and hose nipple.
    One (1) - 40mm angle valve, brass finish.
    One (1) - Spanner wrench
    One (1) - 4.5kg dry chemical fire extinguisher. Class ABC, UL/FM
    One (1) - Fire Ax
    1.3 Fire hose cabinet shall be subject to the approval of the Architect and the Owner.

    2 FIRE DEPARTMENT CONNECTIONS


    2.1 Type - Threaded type, to match the local Fire Department requirement
    2.2 Pressure rating - 1200 KPa
    2.3 Finish - rough brass
    2.4 Uses and sizes:
    Fire Hose valve - 65mm male connection
    Fire department connection - 100 x 65 x 65 mm female connection
    2.5 All Fire Department connections shall be provided with brass caps, chains and brass signs.

    3 SIGNS
    3.1 Identification signs shall be provided as required by NFPA codes or as shown on the drawing.
    3.2 Identification signs shall have red background and white letters and letters sizes that are easily
    readable.

    4 MATERIALS (CPVC & BI PIPING)


    4.1 Type - CPVC Pipes (Cold Fusion Jointing)
    4.2 Minimum wall thickness - schedule 40
    4.3 Type - BI Joints - Threaded joints for pipe sizes 50mm and smaller; Welded or flanged joints for pipe
    sizes 65mm and bigger.
    4.4 Fittings - Malleable iron ANSI B16.3 for threaded fittings; steel ANSI B16.5 for welded fittings and
    steel flanges.
    4.5 Valves - Bronze ASTM B62, 1200KPa for sizes 50mm and smaller; All iron, bronze fitted, 1200KPa for
    sizes 65mm bigger. UL Listed/FM approved.
    4.6 Pipe Sealant - Teflon tape for threaded joints and 3mm rubber gasket for flange joints.
    4.7 All pipes embedded underground shall have at least two (2) coats of tar or asphalt and wrapped
    with approved pipe wrapping tape or jute sack.
    4.8 Application - Standpipe and sprinkler pipes.

    PIPE
    FITTING FLOW PRESS.
    NODE SECTION PARTICULARS COMPUTATIONS (GPM) (PSI)
    LENGTH
    (FT.)

    WSPR
    1 ELEVATION
    100Ø - BI PIPE

    10.5m. X 3.28 = 34.44 ft. 34.44 34.44 ft. x 0.433 = 14.91 14.91

    INSIDE HOSE
    2 NON-SPRINKLER FLOW 100 65
    STREAM
    TOTAL DYNAMIC
    100 79.91
    HEAD

    FIRE PUMP AND JOCKEY PUMP SCHEDULE

    TOTAL FLOW REQUIREMENT (GALLONS PER MINUTE) 100

    TOTAL DYNAMIC HEAD REQUIRED (PSI) 79.91

    FIRE PUMP:

    TOTAL FLOW RATE : 100 GPM


    TDH : 79.91 PSI X 2.31 = 184.59 ft

    GPM X TDH
    HP =
    3960 X 0.55

    100 X 184.59
    HP =
    3960 X 0.55

    HP = 8.47 HP APPROXIMATELY 10 HP

    USE : 10 HP WATER PUMP (WET STAND PIPE)


    @ 100 GPM, 60 MINUTES SUPPLY,
    6000 gals. TANK CAPACITY
    ITEM DESCRIPTION UNIT QUANTITY

    1.0 MOBILIZATION / DEMOBILIZATION lot 1.0


    SITE SUPERVISION lot 1.0
    Sub-total for General Requirements

    2.0 WET STANDPIPE SYSTEM


    FIRE HOSE CABINET set 3.0
    FIRE DEPARTMENT CONNECTION set 1.0
    BI PIPE SCH. 40
    BI PIPE SCH. 40 3" length 5.0
    BI PIPE SCH. 40 2" length 9.0
    BI FITTINGS
    EQUAL TEE 1" pc 2.0
    TEE REDUCER 3" X 2" pc 2.0

    3.0 PUMP ROOM VALVES


    CHECK VALVES 3" pcs 1.0
    GATE VALVE 3" pcs 1.0
    GATE VALVE 3" pcs 1.0
    FOOT VALVE 3" pcs 1.0
    PRESSURE SWITCH pcs 2.0
    PRESSURE RELIEF VALVE pcs 1.0

    4.0 PUMPS
    FIRE PUMP, 1 PHASE, 150GPM, 10HP, 100PSI set 1.0
    ELECTRICAL WIRING set 1.0

    5.0 MISCELLANEOUS WORKS


    CONSUMABLES lot 1.0
    HANGERS & SUPPORTS lot 1.0

    4.0 LABOR, EQUIPMENTS AND FABRICATION lot 1.0


    TESTING & COMMISSIONING lot 1.0
    CONTROL PANEL & ACCESSORIES lot 1.0
    WATER FLOW SWITCH set 1.0
    FITTING AND CONSUMABLES lot 1.0

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