PROJECT / FACTORY

LOCATION \
SAUDI ARABIA

OWNER \
‫مصنع دهانات‬

CONSULTING \ MBEC

‫الحسابات الهيدروليكيه العمال تغذيه المياه‬

PLUMPING Calculation Sheet
Water Supply Pipe Sizing

ablution fixture units

Pipe Tag
Pipe Material PPR - PN16
Axes
Type Of Flushing Flush Tank
From IPC Table E E103.3(2)

Fixture - Occupancy - Type of supply control CW HW Total Qty. CW HW Total

FU FU FU FU FU FU
Bathroom group - Private - Flush tank 2.7 1.5 3.6 0 0 0
Bathroom group - Private - Flush valve 6 3 8 0 0 0
Bathtub - Private - Faucet 1 1 1.4 0 0 0
Bathtub - Public - Faucet 3 3 4 0 0 0
Bidet - Private - Faucet 1.5 1.5 2 0 0 0
Combination fixture - Private - Faucet 2.25 2.25 3 0 0 0
Dishwashing machine - Private - Automatic 0 1.4 1.4 0 0 0
Drinking fountain - Offices, etc - 3/8" valve 0.25 0 0.25 0 0 0
Kitchen sink - Private - Faucet 1 1 1.4 0 0 0
Kitchen sink - Public - Faucet 3 3 4 0 0 0
Laundry trays (l to 3) - Private - Faucet 1 1 1.4 0 0 0
Lavatory - Private - Faucet 0.5 0.5 0.7 1 0.5 0.5 0.7
Lavatory - Public - Faucet 1.5 1.5 2 11 16.5 16.5 22
Service sink - Offices, etc. - Faucet 2.25 2.25 3 0 0 0
Shower head - Public - Mixing valve 3 3 4 9 27 27 36
Shower head - Private - Mixing valve 1 1 1.4 0 0 0
Urinal - Public 1" - flush valve 10 0 10 0 0 0
Urinal - Public 3/4" - flush valve 5 0 5 0 0 0
Urinal - Public - Flush tank 3 0 3 0 0 0
Washing machine - (8 lb) Private - Automatic 1 1 1.4 0 0 0
Washing machine - (8 lb) public - Automatic 2.25 2.25 3 0 0 0
Washing machine - Public - Automatic 3 3 4 0 0 0
Water closet - Private - Flush valve 6 0 6 0 0 0
Water closet - Private - Flush tank 2.2 0 2.2 0 0 0
Water closet - Public - Flush valve 10 0 10 0 0 0
Water closet - Public - Flush tank 5 0 5 7 35 0 35
Water closet - Public or private - Flushometer tank 2 0 2 0 0 0
Hose Bib - First One 2.5 0 2.5 0 0 0
Hose Bib - Additional Ones 1 0 1 0 0 0
Sub-Total FU 79 44 93.7
Domestic Water Demand after converting FU to GPM 37.7 27.42 41.9
Extra demand (GPM)
Total Flow Rate (GPM) 37.7 27.42 42 42
Maximum Velocity In Pipe (m/s) 1.8 1.8 1.8
Nominal Pipe Size (mm) 63 50 63
Actual Velocity In Pipe (m/s) 1.45 1.69 1.61
 ‫عمارة الروضة‬

Pump Calculation Sheet :-

According to International Plumbing Code

Type of Occupancy Apartement

Type of Water Heater Individual
Type Of Flush Flush Tank
Proposed Location Of Water Filter After Roof Tank

2- Boster Pump Calculations For Ablution

Pump Head = 1.20*(static head + total pipe length from pump to most demand water fixture
*4/100+ residual pressure
Get Pump Head = 1.20 * ( 6 + 100 *9/100 + 14 = 34.8 m
50.5 psi

No .of Pumps Will Be Used for Boosting 1 Duty + 1 Standby

Pump Flow 42 GPM
Pump Head 50.5 PSI
Pump HP 2.1 HP
No. of Pumps 1 Duty + 1 Standby
Automatic Irrigation System Calculation

Irrigation Water Demand Requirement

Plant Description Area / Quantity Watering Rate LPD

Shrubs 431.47 m2 16 liters/ day/m2 6903.52
Turf or Grass 1872 m2 12 liters/ day/m2 22464
Ground Cover 1160 m 2
12 liters/ day/m2 13920
Trees 115 No. 120 liters/ day/m2 13800
Palms 8 No. 150 liters/ day/m2 1200
Total Watering Rate 58287.52
Adding 2% as Factor Of Safety 59453.27

From Perivious Data Get

Storage tank for 1 day = 59.5 m3
Storage tank for 2 days = 119 m3
 Type of Water Supply Fixture Units
Fixture Occupancy supply
control Cold Hot Total
Bathroom Private Flush tank 2.7 1.5 3.6
Bathroom Private Flush valv 6 3 8
Bathtub Private Faucet 1 1 1.4
Bathtub Public Faucet 3 3 4
Bidet Private Faucet 1.5 1.5 2
Combinatio Private Faucet 2.25 2.25 3
Dishwashi Private Automatic 0 1.4 1.4
Drinking f Offices, et 3/8" valve 0.25 0 0.25
Kitchen sin Private Faucet 1 1 1.4
Kitchen sinrestaurant Faucet 3 3 4
Laundry tra Private Faucet 1 1 1.4
Lavatory Private Faucet 0.5 0.5 0.7
Lavatory Public Faucet 1.5 1.5 2
Service sin Offices, etc Faucet 2.25 2.25 3
Shower he Public Mixing val 3 3 4
Shower he Private Mixing val 1 1 1.4
Urinal Public 1" flush valve 10 0 10
Urinal Public 3/4 flush valve 5 0 5
Urinal Public Flush tank 3 0 3
Washing m (8 lb) Priv Automatic 1 1 1.4
Washing m (8 lb) publ Automatic 2.25 2.25 3
Washing m (15 lb) pub Automatic 3 3 4
Water clos Private 6 0 6
Water clos Private Flush tank 2.2 0 2.2
Water clos Public Flush valv 10 0 10
Water clos Public Flush tank 5 0 5
Water clos Public or p Flushomet 2 0 2

Flush Tank Flush Valve

Load Demand Load Demand
Water Water
Supply Supply Gallons Cubic feet
Fixture Fixture per per
Units Gallons pe Cubic feet Units minute minute
0.5 3 0.04104 0.5 3 0.04104 2 2
1 3 0.04104 1 3 0.04104 2 2
2 5 0.0684 2 5 0.0684 1.5 1.5
3 6.5 0.86892 3 6.5 0.86892 1.5 1.5
4 8 1.06944 4 8 1.06944 1.4 7
5 9.4 1.256592 5 15 2.0052 1.3 2.4
6 10.7 1.430376 6 17.4 2.326032 1.1 2.4
 7 11.8 1.577424 7 19.8 2.646364 1 2.4
8 12.8 1.711104 8 22.2 2.967696 0.9 2.4
9 13.7 1.831416 9 24.6 3.288528 0.9 2.4
10 14.6 1.951728 10 27 3.60936 0.8 0.8
11 15.4 2.058672 11 27.8 3.716304 0.6 0.8
12 16 2.13888 12 28.6 3.823248 0.5 0.8
13 16.5 2.20572 13 29.4 3.930192 0.5 0.8
14 17 2.27256 14 30.2 4.037136 0.5 0.8
15 17.5 2.3394 15 31 4.14408 0.5 0.8
16 18 2.90624 16 31.8 4.241024 0.4 0.8
17 18.4 2.459712 17 32.6 4.357968 0.4 0.8
18 18.8 2.513184 18 33.4 4.464912 0.4 0.8
19 19.2 2.566656 19 34.2 4.571856 0.4 0.8
20 19.6 2.620128 20 35 4.6788 0.38 0.6
25 21.5 2.87412 25 38 5.07984 0.36 0.8
30 23.3 3.114744 30 42 5.61356 0.32 0.4
35 24.9 3.328632 35 44 5.88192 0.28 0.4
40 26.3 3.515784 40 46 6.14928 0.28 0.4
45 27.7 3.702936 45 48 6.41664 0.28 0.4
50 29.1 3.890088 50 50 6.684 0.29 0.4
60 32 4.27776 60 54 7.21872 0.3 0.4
70 35 4.6788 70 58 7.75344 0.3 0.32
80 38 5.07984 80 61.2 8.181216 0.3 0.31
90 41 5.48088 90 64.3 8.595624 0.25 0.32
100 43.5 5.81508 100 67.5 9.0234 0.225 0.275
120 48 6.41664 120 73 9.75864 0.225 0.2
140 52.5 7.0182 140 77 10.29336 0.225 0.2
160 57 7.61976 160 81 10.82808 0.2 0.225
180 61 8.15448 180 85.5 11.42964 0.2 0.225
200 65 8.6892 200 90 12.0312 0.2 0.22
225 70 9.3576 225 95.5 12.76644 0.2 0.22
250 75 10.026 250 101 13.50168 0.2 0.14
275 80 10.6944 275 104.5 13.96956 0.2 0.14
300 85 11.3628 300 108 14.43744 0.2 0.19
400 105 14.0364 400 127 16.97736 0.19 0.16
500 124 16.57632 500 143 19.11624 0.184 0.136
750 170 22.7256 750 177 23.66136 0.152 0.124
1,000 208 27.80544 1,000 208 27.80544 0.124 0.124
1,250 239 31.94952 1,250 239 31.94952 0.12 0.12
1,500 269 35.95992 1,500 269 35.95992 0.112 0.112
1,750 297 39.70296 1,750 297 39.70296 0.112 0.112
2,000 325 43.446 2,000 325 43.446 0.11 0.11
2,500 380 50.7984 2,500 380 50.7984 0.106 0.106
3,000 433 57.88344 3,000 433 57.88344 0.092 0.092
4,000 525 70.182 4,000 525 70.182 0.068 0.068
5,000 593 79.27224 5,000 593 79.27224
GPM Pipe Size Pipe Size PPR Copper
0 1/4" 0 0 0
3 1/2" 1/2" 20 15
7 3/4" 3/4" 25 22
10 1" 1" 32 28
15 1 1/4" 1 1/4" 40 35
25 1 1/2" 1 1/2" 50 42
45 2" 2" 63 54
70 2 1/2" 2 1/2" 75 67
100 3" 3" 90 76
200 4" 4" 110 108
6" 160 159
8" 200 -
10" 250 -

PPR
PN16 PN20/PN25
DN Thickness Di Thickness Di
0 0 0 0 0
20 2.8 14.4 3.4 13.2
25 3.5 18.0 4.2 16.6
32 4.4 23.2 5.4 21.2
40 5.5 29.0 6.7 26.6
50 6.9 36.2 8.4 33.2
63 8.6 45.8 10.5 42
75 10.3 54.4 12.5 50
90 12.3 65.4 15 60
110 15.1 79.8 18.4 73.2
160 21.9 116.2 26.6 106.8
200 23.2 153.6 28.3 143.4
250 27.3 195.4 33.3 183.4

Copper
Type K
DN Thickness Di
0 0 0
15 0.7 13.6
22 0.9 20.2
28 0.9 26.2
35 1.2 32.6
42 1.2 39.6
54 1.2 51.6
67 1.2 64.6
76 1.5 73.0
108 1.5 105.0
133 1.5 130.0
159 2 155.0