sub-water demand cal (27062010)

TABULATION NO. 1WATER STORAGE TANK SIZING

COLD WATER PLUMBING SERVICES

PROJECT: MIXED DEVELOPMENT FOR PUTERI HARBOUR

LOCATION: PUTERI HARBOUR, JOHOR

DATE: JUNE 2010SOURCE: 1. MWA DESIGN GUIDELINES FOR WATER SUPPLY SYSTEMS

ITEM LEVEL DESCRIPTIONS ESTIMATED DESIGN WATER DEMANDFLOOR AREA CRITERIA 1 DAY STORAGE 1.5 DAYS STORAGE

1 HOTEL 519 778.5

2 FEC 119 178.5

3 RETAIL 69 103.5

TOTAL 707 1,061

WATER TANK

CAPACITY DIMENSION

L (m) W (m)HOTEL

Suction Tank (1/3 of total storage) 173 260 1.60 2

FRP Roof Tank (2/3 of total storage) 346 390 15 10 2.3 2.6FEC & RETAIL

Suction Tank (1/3 of total storage) 63 105 1.00 1.4

FECFRP Roof Tank (2/3 of total storage) 79 93.6 9 4 2.3 2.6

m2 m3 m3

AS PER SYABAS

REQ.

m3 (eff) m3 (nom) Heff (m) Hnom (m)

130 m2

75 m2

RETAILFRP Roof Tank (2/3 of total storage) 46 62.4 6 4 2.3 2.6

TABULATION NO. 2TRANSFER PUMPSET SIZING (TP-B-RETAIL)





Section: R.C. suction tank (basement) to FRP storage tank (roof)

A Design Data

12 Number of hours per day required to replenish the tank, T3 Pressure required at outlet

4 Coefficient of friction (C) for ductile iron pipe5 Length of straight pipe, L

B Pipe Sizing

where delta P = frictional loss due to fluid flow in the pipe per unit length (m WG/m)

D = internal diameter of pipe considered (m) C = coefficient of friction

1

23 Proposed pipe size, D4 Actual flow velocity, v5

C Static Losses

1 Highest water level (storage tank)2 Lowest water level (Suction tank) -3 Static Head =

(Note: All levels indicated is based on FFL as datum)

D Pipe and Fitting Losses

Equivalent pipe lengthFittings Equivalent Length (m) Quantities

1 Elbows 1.83 202 Tees 3.66 53 Gate Valve 0.85 44 Y-strainer 8.53 25 Check valve 7.62 16 45° Y-valve 8.84 1

Total = Total Length of Pipe

66.7% Water storage of 1.0 days water storage, Q1

Based on Hazen-Williams formula of delta P = (10.666 x Q1.85)/(D4.87 x C1.85)

Q = flow rate (m3/s)

Volumetric flow rate, Q (=Q1/T)

Maximum flow velocity allowed by JBA, vmax

Friction loss using 65mm diameter pipe, delta P

Refer to MWA (Table 16.6; Page 16/7) & *Attachment A (Carrier Handbook; Table 10 & 11)

1 Total length of straight pipe2 Total equivalent length of pipe +

=Total Friction Loss

1 Total length of pipe2 Friction loss per meter run x

=10% Safety Factor, say =

E Other Losses

1 (None)=

F Total Pressure Losses

1 Pressure required at outlet2 Static Head +3 Pipe and fitting losses +4 Other losses +

=

G Transfer Pumpset SelectionTransfer pump specified at 2.5 L/s @ 40m head (1 duty & 1 standby)

65 m38 hrs

1.0 m WG

10060.0 m

65 H16.8 V 13.2+3.6

81.8x1.15 94

0.002257 m3/s

2.5 m/s65 mm

0.68 m/s0.0163 m WG/m

37.5 m =25.5+3.6 IL2.4 m =12.3 IL

35.2 m

Total Equivalent Length36.6 m

Pipe sizemm 25

18.3 m in 13.4 m

Equivalent length (mm)

90 bend 0.7917.1 m T 1.52

7.6 m gate valve 0.308.8 m Y Strainer 1.52

91.8 m check valve 3.0545 Y valve 3.66

70.0 m91.8 m

161.8 m

161.8 m0.0163 m WG/m2.6431 m WG

3.0 m WG

0.0 m WG0.0 m WG

1.0 m WG35.2 m WG

3.0 m WG0 m WG

39.2 m WG

13.2+3.6

32 38 50 65 77 89 100 125 150 200 250 3001.25 1.5 2 2.5 3 3.5 4 5 6 8 10 121.01 1.22 1.52 1.83 2.29 2.74 3.05 3.96 4.88 6.10 7.62 9.142.13 2.44 3.05 3.66 4.57 5.49 6.40 7.62 9.14 12.19 15.24 18.290.46 0.55 0.70 0.85 0.98 1.22 1.37 1.83 2.13 2.74 3.66 3.962.74 3.05 8.23 8.53 12.80 14.63 18.29 24.38 33.53 45.72 57.91 76.204.27 4.88 6.10 7.62 9.14 10.67 12.19 15.24 18.29 24.38 30.48 36.574.57 5.49 7.31 8.84 10.67 12.50 14.32 17.68 21.33 25.91 32.00 39.62

TABULATION NO. 2TRANSFER PUMPSET SIZING (TP-B-FEC)






A Design Data

12 Number of hours per day required to replenish the tank, T3 Pressure required at outlet

4 Coefficient of friction (C) for ductile iron pipe5 Length of straight pipe, L

B Pipe Sizing



1

23 Proposed pipe size, D4 Actual flow velocity, v5

C Static Losses

1 Highest water level (storage tank)2 Lowest water level (Suction tank) -3 Static Head =



Equivalent pipe lengthFittings Equivalent Length (m) Quantities

1 Elbows 2.29 202 Tees 4.57 53 Gate Valve 0.98 44 Y-strainer 12.80 25 Check valve 9.14 16 45° Y-valve 10.67 1

Total = Total Length of Pipe








1 Total length of straight pipe2 Total equivalent length of pipe +

=Total Friction Loss

1 Total length of pipe2 Friction loss per meter run x

=10% Safety Factor, say =

E Other Losses

1 (None)=


1 Pressure required at outlet2 Static Head +3 Pipe and fitting losses +4 Other losses +

=


95 m38 hrs

1.0 m WG

10060.0 m

65 H16.8 V 13.2+3.6

81.8x1.15 94

0.003299 m3/s

2.5 m/s80 mm

0.66 m/s0.0120 m WG/m

37.5 m =25.5+3.6 IL2.4 m =12.3 IL

35.2 m

Total Equivalent Length45.7 m

Pipe sizemm 25

22.9 m in 13.9 m


90 bend 0.7925.6 m T 1.52

9.1 m gate valve 0.3010.7 m Y Strainer 1.52

117.9 m check valve 3.0545 Y valve 3.66

70.0 m117.9 m187.9 m

187.9 m0.0120 m WG/m2.2531 m WG

2.5 m WG

0.0 m WG0.0 m WG

1.0 m WG35.2 m WG

2.5 m WG0 m WG

38.7 m WG

13.2+3.6

32 38 50 65 77 89 100 125 150 200 250 3001.25 1.5 2 2.5 3 3.5 4 5 6 8 10 121.01 1.22 1.52 1.83 2.29 2.74 3.05 3.96 4.88 6.10 7.62 9.142.13 2.44 3.05 3.66 4.57 5.49 6.40 7.62 9.14 12.19 15.24 18.290.46 0.55 0.70 0.85 0.98 1.22 1.37 1.83 2.13 2.74 3.66 3.962.74 3.05 8.23 8.53 12.80 14.63 18.29 24.38 33.53 45.72 57.91 76.204.27 4.88 6.10 7.62 9.14 10.67 12.19 15.24 18.29 24.38 30.48 36.574.57 5.49 7.31 8.84 10.67 12.50 14.32 17.68 21.33 25.91 32.00 39.62

TABULATION NO. 2TRANSFER PUMPSET SIZING (TP-B-HOTEL)






A Design Data

1 390 m32 Number of hours per day required to replenish the tank, T 8 hrs3 Pressure required at outlet 1.0 m WG

4 Coefficient of friction (C) for ductile iron pipe 1005 Length of straight pipe, L 60.0 m

B Pipe Sizing



1 0.013542 m3/s

2 2.5 m/s3 Proposed pipe size, D 100 mm4 Actual flow velocity, v 1.72 m/s5 0.0552 m WG/m

C Static Losses

1 Highest water level (storage tank) 31.6 m2 Lowest water level (Suction tank) - 0.9 m3 Static Head = 30.8 m



Equivalent pipe lengthFittings Equivalent Length (m) Quantities Total Equivalent Length

1 Elbows 3.05 20 61.0 m2 Tees 6.40 5 32.0 m3 Gate Valve 1.37 4 5.5 m4 Y-strainer 18.29 2 36.6 m5 Check valve 12.19 1 12.2 m6 45° Y-valve 14.32 1 14.3 m

Total = 161.5 mTotal Length of Pipe

1 Total length of straight pipe 60.0 m2 Total equivalent length of pipe + 161.5 m

= 221.5 mTotal Friction Loss

1 Total length of pipe 221.5 m2 Friction loss per meter run x 0.0552 m WG/m

= 12.2191 m WG10% Safety Factor, say = 13.5 m WG








TABULATION NO. 2TRANSFER PUMPSET SIZING (TP-B-HOTEL)






E Other Losses

1 (None) 0.0 m WG= 0.0 m WG


1 Pressure required at outlet 1.0 m WG2 Static Head + 30.8 m WG3 Pipe and fitting losses + 13.5 m WG4 Other losses + 0 m WG

= 45.3 m WG


TABULATION NO. 3

BOOSTER PUMPSET SIZING (BP-ROOF-FV-FEC)




DATE: JUNE 2010

TYPE : FLUSH VALVE SYSTEM

SOURCE: 1. MWA DESIGN GUIDELINES FOR WATER SUPPLY SYSTEMS

A Design Data

1 Pressure required at outlet 15.02 Coefficient of friction (C) for polysteel pipes 1003 100.0

level 4; GL 1-D )B Determination of Flow Rate

where delta P = frictional loss due to fluid flow in the pipe (m WG)

D = internal diameter of pipe considered (m) C = coefficient of friction L = pipe length (m)

Total volumetric flow rate, Q (Refer to Tabulation No. 5 for flow rate calculation) 7.50Or

2 Total volumetric flow rate, Q 0.00750

3 2.54 Proposed pipe size, D 805 Actual flow velocity, v 1.496 0.0547

C Static Losses

1 Lowest water level (FRP Storage tank) 37.52 - 30.03 Positive static head (Pressure available) = 7.6



Refer to MWA (Table 16.6; Page 16/7)

Equivalent pipe lengthFittings Eq Length (m) Quantities Total Eq Length

1 Elbows 2.29 10 22.92 Tees 4.57 20 91.43 Gate Valve 0.98 2 2.04 Strainer 12.80 1 12.8

Section: FRP storage tank (roof level - blk D) to the furthest point at nearest level (level 4 - blk B.)

Length of straight pipe, L (Furthest point at toilet located at

Based on Hazen-Williams formula of delta P = (10.666 x L x Q1.85)/(D4.87 x C1.85)




Furthest point at toilet located at level 4; GL 1-D )

5 Check Valve 9.14 1 9.16 45° Y-valve 10.67 1 10.7

Total = 148.9Total Length of Pipe

1 Total length of straight pipe 100.02 Total equivalent length of pipe + 148.9

= 248.9Total Friction Loss

1 Total length of pipe 248.92 Friction loss per meter run x 0.0547

= 13.610% Safety Factor, say = 15.0

F Other Losses

1 (None) 0.0= 0.0

G Total Pressure Losses

1 Pressure required at outlet 15.02 Positive static head (Pressure available) - 7.63 Pipe and Fitting Losses + 15.04 Other Losses + 0.05 Total pressure losses = 22.5

H Booster Pumpset Selection

Variable speed pumpsets specified at 7.5 L/S @ 2.5 bar head (duty & standby)

m WG

m

L/s

m3/s

m/smmm/sm WG/m

mm * Assume fitting at 1.5m high from FFLm

Total Eq LengthPipe size

mm 25 32 38 50 65 77m in 1 1.25 1.5 2 2.5 3m 90 bend 0.79 1.01 1.22 1.52 1.83 2.29m T 1.52 2.13 2.44 3.05 3.66 4.57m gate valve 0.30 0.46 0.55 0.70 0.85 0.98

)


m Y Strainer 1.52 2.74 3.05 8.23 8.53 12.80m check valve 3.05 4.27 4.88 6.10 7.62 9.14m 45 Y valve 3.66 4.57 5.49 7.31 8.84 10.67

mmm

mm WG/mm WGm WG

m WGm WG

m WGm WGm WGm WGm WG


89 100 125 150 200 250 3003.5 4 5 6 8 10 12

2.74 3.05 3.96 4.88 6.10 7.62 9.145.49 6.40 7.62 9.14 12.19 15.24 18.291.22 1.37 1.83 2.13 2.74 3.66 3.96

14.63 18.29 24.38 33.53 45.72 57.91 76.2010.67 12.19 15.24 18.29 24.38 30.48 36.5712.50 14.32 17.68 21.33 25.91 32.00 39.62

TABULATION NO. 3

BOOSTER PUMPSET SIZING (BP-ROOF-FV-HOTEL-BLK D)




DATE: JUNE 2010



A Design Data


level 4; GL 19-G )B Determination of Flow Rate






C Static Losses













Furthest point at toilet located at level 4; GL 19-G )







F Other Losses

1 (None) 0.0= 0.0




Variable speed pumpsets specified at 13 L/S @ 3.6 bar head (duty & standby)

m WG

m

L/s

m3/s

m/smmm/sm WG/m




)



mmm

mm WG/mm WGm WG

m WGm WG



89 100 125 150 200 250 3003.5 4 5 6 8 10 12

2.74 3.05 3.96 4.88 6.10 7.62 9.145.49 6.40 7.62 9.14 12.19 15.24 18.291.22 1.37 1.83 2.13 2.74 3.66 3.96

14.63 18.29 24.38 33.53 45.72 57.91 76.2010.67 12.19 15.24 18.29 24.38 30.48 36.5712.50 14.32 17.68 21.33 25.91 32.00 39.62

TABULATION NO. 3

BOOSTER PUMPSET SIZING (BP-ROOF-FV-HOTEL-BLK C)




DATE: JUNE 2010



A Design Data


level 4; GL 19-D )B Determination of Flow Rate






C Static Losses













Furthest point at toilet located at level 4; GL 19-D )







F Other Losses

1 (None) 0.0= 0.0





m WG

m

L/s

m3/s

m/smmm/sm WG/m




)



mmm

mm WG/mm WGm WG

m WGm WG



89 100 125 150 200 250 3003.5 4 5 6 8 10 12

2.74 3.05 3.96 4.88 6.10 7.62 9.145.49 6.40 7.62 9.14 12.19 15.24 18.291.22 1.37 1.83 2.13 2.74 3.66 3.96

14.63 18.29 24.38 33.53 45.72 57.91 76.2010.67 12.19 15.24 18.29 24.38 30.48 36.5712.50 14.32 17.68 21.33 25.91 32.00 39.62

TABULATION NO. 3

BOOSTER PUMPSET SIZING (BP-ROOF-FV-HOTEL-BLK B)




DATE: JUNE 2010



A Design Data

1 Pressure required at outlet 20.0 m WG2 Coefficient of friction (C) for polysteel pipes 1003 275.0 m

level 4; GL 3-H )B Determination of Flow Rate



Total volumetric flow rate, Q (Refer to Tabulation No. 5 for flow rate calculation) 8.00 L/sOr

2 Total volumetric flow rate, Q 0.00800 m3/s


C Static Losses

1 Lowest water level (FRP Storage tank) 31.6 m2 - 28.5 m3 Positive static head (Pressure available) = 3.2 m








Furthest point at toilet located at level 4; GL 3-H )

TABULATION NO. 3

BOOSTER PUMPSET SIZING (BP-ROOF-FV-HOTEL-BLK B)




DATE: JUNE 2010







1 Elbows 3.05 10 30.5 m2 Tees 6.40 20 128.0 m3 Gate Valve 1.37 2 2.7 m4 Strainer 18.29 1 18.3 m5 Check Valve 12.19 1 12.2 m6 45° Y-valve 14.32 1 14.3 m






F Other Losses

1 (None) 0.0 m WG= 0.0 m WG


1 Pressure required at outlet 20.0 m WG2 Positive static head (Pressure available) - 3.2 m WG3 Pipe and Fitting Losses + 11.0 m WG4 Other Losses + 0.0 m WG5 Total pressure losses = 27.8 m WG



* Assume fitting at 1.5m high from FFL

Pipe sizemm 25 32 38 50 65 77 89 100 125 150in 1 1.25 1.5 2 2.5 3 3.5 4 5 6

90 bend 0.79 1.01 1.22 1.52 1.83 2.29 2.74 3.05 3.96 4.88T 1.52 2.13 2.44 3.05 3.66 4.57 5.49 6.40 7.62 9.14

gate valve 0.30 0.46 0.55 0.70 0.85 0.98 1.22 1.37 1.83 2.13Y Strainer 1.52 2.74 3.05 8.23 8.53 12.80 14.63 18.29 24.38 33.53

check valve 3.05 4.27 4.88 6.10 7.62 9.14 10.67 12.19 15.24 18.2945 Y valve 3.66 4.57 5.49 7.31 8.84 10.67 12.50 14.32 17.68 21.33


200 250 3008 10 12

6.10 7.62 9.1412.19 15.24 18.292.74 3.66 3.96

45.72 57.91 76.2024.38 30.48 36.5725.91 32.00 39.62

TABULATION NO. 4

DROPPER SIZING - HOTEL




DATE: JUNE 2010

TYPE : NON-FLUSH VALVE SYSTEM


Section: FRP storage tank (roof level) to the furthest point at nearest level (level 4)

A Design Data

1 Pressure required at outlet 10.02 Coefficient of friction (C) for polysteel pipes 1003 Length of straight pipe, L (Furthest point at area located at 50.0

B Determination of Flow Rate






C Static Losses

1 Lowest water level (Storage tank) 31.62 - 18.03 Positive static head (Pressure available) = 13.7






level G; GL 25-C )





Furthest point at area located at level G; GL 29-C )







F Other Losses

1 (None) 0.0= 0.0


1 Pressure required at outlet 10.02 Positive static head (Pressure available) - 13.73 Pipe and Fitting Losses + 3.04 Other Losses + 0.05 Total pressure losses = -0.7


Section: FRP storage tank (roof level) to the furthest point at nearest level (level 4)Rough Calculation

Length(mm)

m WG

m 65 H+ 3.1 V

68.1x1.15 78

L/s

m3/s

m/smmm/sm WG/m



mm 25 32 38 50 65 77 89m in 1 1.25 1.5 2 2.5 3 3.5m 90 bend 0.79 1.01 1.22 1.52 1.83 2.29 2.74m T 1.52 2.13 2.44 3.05 3.66 4.57 5.49m gate valve 0.30 0.46 0.55 0.70 0.85 0.98 1.22Equivalent

length (mm)

m Y Strainer 1.52 2.74 3.05 8.23 8.53 12.80 14.63m check valve 3.05 4.27 4.88 6.10 7.62 9.14 10.67m 45 Y valve 3.66 4.57 5.49 7.31 8.84 10.67 12.50

mmm

mm WG/mm WGm WG

m WGm WG



100 125 150 200 250 3004 5 6 8 10 12

3.05 3.96 4.88 6.10 7.62 9.146.40 7.62 9.14 12.19 15.24 18.291.37 1.83 2.13 2.74 3.66 3.96

18.29 24.38 33.53 45.72 57.91 76.2012.19 15.24 18.29 24.38 30.48 36.5714.32 17.68 21.33 25.91 32.00 39.62

TABULATION NO. 4

DROPPER SIZING - RETAIL




DATE: JUNE 2010




A Design Data

1 Pressure required at outlet 10.0 m WG2 Coefficient of friction (C) for polysteel pipes 1003 Length of straight pipe, L (Furthest point at area located at 350.0 m

B Determination of Flow Rate



Total volumetric flow rate, Q (Refer to Tabulation No. 5 for flow rate calculation) 5.50 L/sOr

2 Total volumetric flow rate, Q 0.00550 m3/s


C Static Losses

1 Lowest water level (Storage tank) 37.5 m2 - 11.8 m3 Positive static head (Pressure available) = 25.8 m


level G; GL 29-H )





Furthest point at area located at level G; GL 29-H )

TABULATION NO. 4

DROPPER SIZING - RETAIL




DATE: JUNE 2010







1 Elbows 3.05 10 30.5 m2 Tees 6.40 20 128.0 m3 Gate Valve 1.37 2 2.7 m4 Strainer 18.29 1 18.3 m5 Check Valve 12.19 1 12.2 m6 45° Y-valve 14.32 1 14.3 m






F Other Losses

1 (None) 0.0 m WG= 0.0 m WG


1 Pressure required at outlet 10.0 m WG2 Positive static head (Pressure available) - 25.8 m WG3 Pipe and Fitting Losses + 7.0 m WG4 Other Losses + 0.0 m WG5 Total pressure losses = -8.8 m WG


Rough Calculation

Length(mm)

65 H+ 3.1 V

68.1x1.15 78

* Assume fitting at 1.5m high from FFL

Rough Calculation

Pipe sizemm 25 32 38 50 65 77 89 100 125 150in 1 1.25 1.5 2 2.5 3 3.5 4 5 6

90 bend 0.79 1.01 1.22 1.52 1.83 2.29 2.74 3.05 3.96 4.88T 1.52 2.13 2.44 3.05 3.66 4.57 5.49 6.40 7.62 9.14

gate valve 0.30 0.46 0.55 0.70 0.85 0.98 1.22 1.37 1.83 2.13Y Strainer 1.52 2.74 3.05 8.23 8.53 12.80 14.63 18.29 24.38 33.53

check valve 3.05 4.27 4.88 6.10 7.62 9.14 10.67 12.19 15.24 18.2945 Y valve 3.66 4.57 5.49 7.31 8.84 10.67 12.50 14.32 17.68 21.33


200 250 3008 10 12

6.10 7.62 9.1412.19 15.24 18.292.74 3.66 3.96

45.72 57.91 76.2024.38 30.48 36.5725.91 32.00 39.62

FIXTURE UNIT CALCULATION




DATE: JUNE 2010

SOURCE: 1. 2001 ASHRAE FUNDAMENTALS HANDBOOK, PIPE SIZING

Flush Valve : WC, U & SH

Item LevelWC (6 F.U) - flush valve (private) rain SH (2 F.U) - (private)

Qty F.U Qty1 hotel (Blk B) 54 324 54

hotel (Blk C) 74 444 74hotel (Blk D) 129 774 129

2 FEC 0 0 03 Retail 0 0 0

Total 257 1542 257

Non-Flush Valve : S

Item LevelS (4 F.U) (public)

Qty F.U1 hotel 20 80 802 FEC 60 240 2403 Retail 36 144 144

Total 0 464 464

fixture units and flow rate HOTEL432 blk B (pressurised)592 blk C (pressurised)

1032 blk D (pressurised)80 (gravity)

TOTAL F.U = n/a

8 blk B (L/S)

11 blk C (L/S)

13 blk D (L/S)

80

3 L/S

å F.U

F.U (FV)= F.U (FV)= F.U (FV)=

F.U (NFV)=

(Pressurised) Flow rate, Xnfv (LS-1) =



F.U (gravity)=

Flow rate, Xnfvg (LS-1) =

rain SH (2 F.U) - (private) U (5 F.U) - (public) WC (10 F.U) - flush valve (public)F.U Qty F.U Qty F.U108 0 0 0 0148 0 0 0 0258 0 0 0 0

0 30 150 60 6000 3 15 14 140

514 33 165 74 740

FEC RETAIL150 (pressurised) 15 (gravity)

240 (pressurised) 144 (gravity)390 n/a

7.5 L/S 0 L/S

0 159

0 L/S 5.5 L/S

432592

103215015

2221

block b block c block drain shower: 15 lpm @ 5 bar

nos. rain shower at one time 32 44 52

diversity (for checking): 0.592593 0.594595 0.403101

å F.U

TABULATION NO. 5

LOADING UNIT CALCULATION




DATE: JUNE 2010

SOURCE: 1. 2001 ASHRAE FUNDAMENTALS HANDBOOK, PIPE SIZING

Flush Valve : WC, U & SH

Item LevelWC (8 F.U) - flush valve (private) rain SH (2 F.U) - (private) U (5 F.U) - (public) WC (10 F.U) - flush valve (public)

Qty F.U Qty F.U Qty F.U Qty F.U1 hotel (Blk B) 54 324 54 108 0 0 0 0 432

hotel (Blk C) 74 444 74 148 0 0 0 0 592hotel (Blk D) 129 774 129 258 0 0 0 0 1032

2 FEC 0 0 0 0 30 150 60 600 1503 Retail 0 0 0 0 3 15 14 140 15

Total 257 1542 257 514 33 165 74 740 2221

Non-Flush Valve : S

Item LevelS (4 F.U) (public) 2056

Qty F.U1 hotel 20 80 802 FEC 60 240 2403 Retail 36 144 144

Total 0 464 464

fixture units and flow rate HOTEL FEC RETAIL2056 pressurised 150 (pressurised) 15 (pressurised)

80 (gravity) 240 (pressurised) 144 (gravity)TOTAL F.U = n/a 390 15

23 L/S 8 L/S 2 L/S

80 0 144

3 L/S 0 L/S 4.5 L/S

å F.U

å F.U

F.U (FV)= F.U (NFV)=


F.U (gravity)=

Flow rate, Xnfvg (LS-1) =

sub-water demand cal (27062010)

Documents

polysteel

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rough calculation

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puteri harbour

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flow rate