Cold Water
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- Pages: 7
PROJECT :
DATE :
1 COLD WATER DEMAND.
1) DOMESTIC WATER =
L/DAY
RT x 13 L/MIN x 0.015 x
H/D x 60 MIN/H =
0 L/DAY
RT x 13 L/MIN x 0.015 x
H/D x 60 MIN/H =
0 L/DAY
RT x 13 L/MIN x 0.015 x
H/D x 60 MIN/H =
0 L/DAY
H/D x 60 MIN/H =
0 L/DAY
PERSON
x
IGPD
x
4.55 L/IG
2) COOLING TOWER MAKE UP WATER FOR A/C FOR COMP. AIR
3) OTHERS INDUSTRIAL WATER
L/MIN
x
-----------------------------------------------------------------------------------------------------------------------------------------------------TOTAL (DOMESTIC AND A/C)
0 L/DAY M³/DAY
Page 1
2.
COLD WATER STORAGE TANK TYPE
HOT DIPPED GALVANISED
STORAGE VOLUME DIMENSION
L
x
=
M³
W x
H
GROSS VOLUME
3.
M³
COLD WATER INCOMING PIPE WATER TANK VOLUME
M³
FLOW RATE (
L/MIN
Hrs FILL)
TOTAL EQUIVALENT LENGTH OF PIPE
M
CITY MAIN PRESS
20 MAQ
STATIC HEAD
10 MAQ P =
INCOMING PIPE SIZE
MAQ -
MAQ M
MAQ =
MMAQ/M
MMø
4 PNEUMATIC PUMP SELECTION
DOMESTIC WATER ( REFER TO ATTACHED LOADING UNIT & CURVE )
=
L/MIN
=
0 L/MIN
=
0 L/MIN
=
0 MAQ
STATIC PRESSURE
=
MAQ
DISCHARGE PRESSURE
=
7 MAQ
OTHERS
=
5 MAQ
=
12 MAQ
COOLING TOWER MAKE UP WATER RT x 13 L/MIN x
0.02 TOTAL
PUMP HEAD PIPE
M x
0.04 MAQ/M
TOTAL
PNEUMATIC PUMP CAPACITY L/MIN x
MAQ x
KW x
2 NOS
( PARALELL AND ALTERNATIVE OPERATION )
Page 4
5 COLD WATER TRANSFER PUMP ( FROM SUCTION TANK TO HIGH TANK )
STORAGE TANK CAPACITY
M³/DAY
OPERATION HOURS
6 HRS
SAFETY FACTOR
1.1
TOTAL CAPACITY
M³
x 1000 x 6H x 60
1.1
=
0.0 L/MIN
PUMP HEAD PIPE
M
x
0.04
MAQ/M
=
MAQ
STATIC PRESSURE
=
MAQ
DISCHARGE PRESSURE
=
7 MAQ
OTHERS
=
5 MAQ
TOTAL
12 MAQ
PUMP CAPACITY L/MIN x
MAQ
( 1 DUTY & 1 STANDBY )
Page 5
x
KW x
2 NOS
SHINRYO (MALAYSIA) SDN BHD LOADING UNIT CALCULATION FOR COLD WATER PROJECT : BRANCH / LOCATION :
FIXTURE
OCCUPANCY
TYPE OF CONTROL Valve Tank Valve Valve Tank
LOADING UNITS
QTY
Water closet Water closet Pedestal urinal Stall or wall urinal Stall or wall urinal
Public Public Public Public Public
Flush Flush Flush Flush Flush
Wash Basin Bathtub Shower Head Service sink Kitchen sink Hand bidet Garden Taps
Public Public Public Office Hotel / restaurant Public Public
Faucet Faucet Mixing Valve Faucets Faucet Faucet Faucet
2 4 4 3 4 2 3
Water closet Water closet Lavatory Bathtubs Shower head Hand bidet Kitchen sink Laudry trays (1 to 3)
Private Private Private Private Private Private Private Private
Flush Valve Flush Tank Faucet Faucets Mixing Valve Faucet Faucet Faucet
6 3 1 2 2 1 2 3
Bathroom group
Private
Flush valve for water closet
8
Bathroom group
Private
Flush tank for water closet
6
Separate shower
Private
Mixing valve
2
Combination fixture
Private
Faucet
3
TOTAL LOADING UNITS Note : Data obtained from HUNTER (1941)
Page 6
10 5 10 5 3
SHINRYO (MALAYSIA) SDN BHD
NG UNIT CALCULATION FOR COLD WATER
Date :
TOTAL LOADING UNITS
0
Page 7
DATE :
1 COLD WATER DEMAND.
1) DOMESTIC WATER =
L/DAY
RT x 13 L/MIN x 0.015 x
H/D x 60 MIN/H =
0 L/DAY
RT x 13 L/MIN x 0.015 x
H/D x 60 MIN/H =
0 L/DAY
RT x 13 L/MIN x 0.015 x
H/D x 60 MIN/H =
0 L/DAY
H/D x 60 MIN/H =
0 L/DAY
PERSON
x
IGPD
x
4.55 L/IG
2) COOLING TOWER MAKE UP WATER FOR A/C FOR COMP. AIR
3) OTHERS INDUSTRIAL WATER
L/MIN
x
-----------------------------------------------------------------------------------------------------------------------------------------------------TOTAL (DOMESTIC AND A/C)
0 L/DAY M³/DAY
Page 1
2.
COLD WATER STORAGE TANK TYPE
HOT DIPPED GALVANISED
STORAGE VOLUME DIMENSION
L
x
=
M³
W x
H
GROSS VOLUME
3.
M³
COLD WATER INCOMING PIPE WATER TANK VOLUME
M³
FLOW RATE (
L/MIN
Hrs FILL)
TOTAL EQUIVALENT LENGTH OF PIPE
M
CITY MAIN PRESS
20 MAQ
STATIC HEAD
10 MAQ P =
INCOMING PIPE SIZE
MAQ -
MAQ M
MAQ =
MMAQ/M
MMø
4 PNEUMATIC PUMP SELECTION
DOMESTIC WATER ( REFER TO ATTACHED LOADING UNIT & CURVE )
=
L/MIN
=
0 L/MIN
=
0 L/MIN
=
0 MAQ
STATIC PRESSURE
=
MAQ
DISCHARGE PRESSURE
=
7 MAQ
OTHERS
=
5 MAQ
=
12 MAQ
COOLING TOWER MAKE UP WATER RT x 13 L/MIN x
0.02 TOTAL
PUMP HEAD PIPE
M x
0.04 MAQ/M
TOTAL
PNEUMATIC PUMP CAPACITY L/MIN x
MAQ x
KW x
2 NOS
( PARALELL AND ALTERNATIVE OPERATION )
Page 4
5 COLD WATER TRANSFER PUMP ( FROM SUCTION TANK TO HIGH TANK )
STORAGE TANK CAPACITY
M³/DAY
OPERATION HOURS
6 HRS
SAFETY FACTOR
1.1
TOTAL CAPACITY
M³
x 1000 x 6H x 60
1.1
=
0.0 L/MIN
PUMP HEAD PIPE
M
x
0.04
MAQ/M
=
MAQ
STATIC PRESSURE
=
MAQ
DISCHARGE PRESSURE
=
7 MAQ
OTHERS
=
5 MAQ
TOTAL
12 MAQ
PUMP CAPACITY L/MIN x
MAQ
( 1 DUTY & 1 STANDBY )
Page 5
x
KW x
2 NOS
SHINRYO (MALAYSIA) SDN BHD LOADING UNIT CALCULATION FOR COLD WATER PROJECT : BRANCH / LOCATION :
FIXTURE
OCCUPANCY
TYPE OF CONTROL Valve Tank Valve Valve Tank
LOADING UNITS
QTY
Water closet Water closet Pedestal urinal Stall or wall urinal Stall or wall urinal
Public Public Public Public Public
Flush Flush Flush Flush Flush
Wash Basin Bathtub Shower Head Service sink Kitchen sink Hand bidet Garden Taps
Public Public Public Office Hotel / restaurant Public Public
Faucet Faucet Mixing Valve Faucets Faucet Faucet Faucet
2 4 4 3 4 2 3
Water closet Water closet Lavatory Bathtubs Shower head Hand bidet Kitchen sink Laudry trays (1 to 3)
Private Private Private Private Private Private Private Private
Flush Valve Flush Tank Faucet Faucets Mixing Valve Faucet Faucet Faucet
6 3 1 2 2 1 2 3
Bathroom group
Private
Flush valve for water closet
8
Bathroom group
Private
Flush tank for water closet
6
Separate shower
Private
Mixing valve
2
Combination fixture
Private
Faucet
3
TOTAL LOADING UNITS Note : Data obtained from HUNTER (1941)
Page 6
10 5 10 5 3
SHINRYO (MALAYSIA) SDN BHD
NG UNIT CALCULATION FOR COLD WATER
Date :
TOTAL LOADING UNITS
0
Page 7
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