mechanical calculations- plumbing.pdf

8/18/2019 Mechanical Calculations- Plumbing.pdf

1/43

Draiange System Calcualtions

References :

1- The Institute of Plumbing (IOP)

2-American Society of Plumbing

Engineers (ASPE)

3-Uniform Plumbing Code ( UPC)

4- PWA Regulation


2/43

All below load values data is taken from Uniform Plumbing Code (UPC)

SBMP 1

FIXTURE No. D.UTOTAL

D.U

Area Drain (4'' trap) 9 8 72

Trench (4'' trap) 11 8 88

Funnel Floor Drain (4'' trap) 2 8 16

Floor Drain (3'' trap) 0 6 0

176

88

5.544

Drain Sump Pumps and Sump Pits Calculations:

5.5 L/s

Total Pipe Length 218.54 m

Equivalent Length 327.81 m

Friction Loss in pipes 400 Pa/m

Static Height 5 m

Output data:

Sump Pump Flow Rate 5.5 l/s

Sump Pump Head 18.2 m

FLOW (L/s)

Input data:Sump Pit Inflow Rate

SUBMERSIBLE DRAIN WATER :

A. SUBMERSIBLE PUMP SERVING PARKING DRAIN

TOTAL

Flow in gpm (Each 2 FU equals 1 gpm)


3/43

Sump Pit number: 1

Pump Flow (from submersible pump calculations) 5.54 L/S

Usable Pit Volume:

T min :is the cycle time for the pump in seconds

V req :is the required volume between the start and stop level in Litre

Q : is the incoming flow to the pit (pump flow) in L/s

Recommended starts & stops per hour: 15

T min = 240 seconds

Q req = 5.544 L/s

V req = 332.64 Litre

Pit Dimensions

Pit Length 1200 mm

Pit Width 1200 mm

Pit Area 1.44 m2

Usable Depth 0.231 m

Lowest pipe invert level 0.82 m

Minimum wet level considered for pump operation 0.3 m

Total Pit depth 1.351 m

Pit dimensions: Length (m) x Width (m) x Depth (m) = 1.2 m x 1.2 m x 1.35 m

SUMP PIT SIZING

All below load values data is taken from PWA Vol 3 and Salmson pump recommendations

=

= ×

4


4/43


5/43

Sump Pit number: 2


Usable Pit Volume:





T min = 240 seconds

Q req = 7.056 L/s


Pit Dimensions

Pit Length 1200 mm

Pit Width 1200 mm

Pit Area 1.44 m2






SUMP PIT SIZING


=

= ×

4


6/43


SBMP 3


D.U


Trench (4'' trap) 18 8 144



208

104

6.552


6.6 L/s




Static Height 5.15 m

Output data:



FLOW (L/s)




TOTAL



7/43

Sump Pit number: 3


Usable Pit Volume:





T min = 240 seconds

Q req = 6.552 L/s


Pit Dimensions

Pit Length 1200 mm

Pit Width 1200 mm

Pit Area 1.44 m2






SUMP PIT SIZING


=

= ×

4


8/43


SBMP 4

`


D.U


Trench (4'' trap) 24 8 192



264

132

8.316


8.3 L/s





Output data:



FLOW (L/s)




TOTAL



9/43

Sump Pit number: 4


Usable Pit Volume:





T min = 240 seconds

Q req = 8.316 L/s


Pit Dimensions

Pit Length 1200 mm

Pit Width 1200 mm

Pit Area 1.44 m2





Pit dimensions: Length (m) x Width (m) x Depth (m) = 1.2 m x 1.2 m 1.60 m

SUMP PIT SIZING


=

= ×

4


10/43

All below load values data is taken from BS 12056-2

SBMP 5


D.U

WASH BASIN 28 0.3 8.4

SHOWER 0 0.4 0

BATH TUB 0 1.3 0

URINAL 0 0.4 0

DISHASHER 0 0.2 0

WASHING MACHINE 0 1.2 0

KITCHEN SINK 0 1.3 0

WC 36 1.7 61.2

69.6

1

8.34266


8.3 L/s




Static Height 10 m

Output data:



BS REFERENCE TABLES

FLOW (L/s)

Input data:

Sump Pit Inflow Rate


A. SUBMERSIBLE PUMP SERVING PUBLIC TOILETS

TOTAL

K


11/43

Sump Pit number: 5


Usable Pit Volume:





T min = 240 seconds

Q req = 8.3426614 L/s

V req = 500.55969 Litre

Pit Dimensions

Pit Length 1800 mm

Pit Width 1800 mm

Pit Area 3.24 m2



Clearance below inlet pipe (for 2nd pump operation) 0.2 m

Minimum wet level considered for pump operation 0.3 mTotal Pit depth 1.25449 m


SUMP PIT SIZING


=

= ×

4


12/43


SBMP 6


D.U


SHOWER 2 0.4 0.8

BATH TUB 0 1.3 0

URINAL 0 0.4 0

DISHASHER 0 0.2 0



WC 10 1.7 17

23.2

1

4.81664


4.8 L/s




Static Height 10 m

Output data:



BS REFERENCE TABLES

FLOW (L/s)

Input data:




TOTAL

K


13/43

Sump Pit number: 6


Usable Pit Volume:





T min = 240 seconds

Q req = 4.8166378 L/s

V req = 288.99827 Litre

Pit Dimensions

Pit Length 1800 mm

Pit Width 1800 mm

Pit Area 3.24 m2






SUMP PIT SIZING


=

= ×

4


14/43


SBMP 7


D.U


SHOWER 2 0.4 0.8

BATH TUB 0 1.3 0

URINAL 4 0.4 1.6

DISHASHER 0 0.2 0



WC 18 1.7 30.6

39.9

1

6.31664


6.3 L/s




Static Height 10 m

Output data:



BS REFERENCE TABLES

FLOW (L/s)

Input data:




TOTAL

K


15/43

Sump Pit number: 7


Usable Pit Volume:





T min = 240 seconds

Q req = 6.3166447 L/s

V req = 378.99868 Litre

Pit Dimensions

Pit Length 1500 mm

Pit Width 1500 mm

Pit Area 2.25 m2






SUMP PIT SIZING


=

= ×

4


16/43


SBMP 8


D.U


Trench (4'' trap) 6 8 48



80

40

2.52


2.5 L/s




Static Height 5 m

Output data:



FLOW (L/s)




TOTAL



17/43

Sump Pit number: 8


Usable Pit Volume:





T min = 240 seconds

Q req = 2.52 L/s

V req = 151.2 Litre

Pit Dimensions

Pit Length 1200 mm

Pit Width 1200 mm

Pit Area 1.44 m2






SUMP PIT SIZING


=

= ×

4


18/43


SBMP 9


3.2 L/s





Output data:



Input data:





19/43

Pump Flow (from submersible pump calculations) 3.15 L/S From ASME A17.1

Usable Pit Volume:

Tmin :is the cycle time for the pump in seconds




Tmin = 240 seconds

Q req = 3.15 L/s

V req = 189 Litre

Pit Dimensions

Pit Length 600 mm

Pit Width 600 mm

Pit Area 0.36 m2


Lowest pipe invert level 0.25 mMinimum wet level considered for pump operation 0.3 m



SUMP PIT SIZING


ℎ =

= ×

4


20/43


SBMP 10


3.2 L/s





Output data:


Sump Pump Head 15 m

Input data:





21/43


Usable Pit Volume:





Tmin = 240 seconds

Q req = 3.15 L/s

V req = 189 Litre

Pit Dimensions

Pit Length 600 mm

Pit Width 600 mm

Pit Area 0.36 m2





SUMP PIT SIZING


ℎ =

= ×

4


22/43


SBMP 11


3.2 L/s





Output data:



Input data:





23/43


Usable Pit Volume:





Tmin = 240 seconds

Q req = 3.15 L/s

V req = 189 Litre

Pit Dimensions

Pit Length 600 mm

Pit Width 600 mm

Pit Area 0.36 m2





SUMP PIT SIZING


ℎ =

= ×

4


24/43


SBMP 12


3.2 L/s





Output data:



Input data:





25/43


Usable Pit Volume:





Tmin = 240 seconds

Q req = 3.15 L/s

V req = 189 Litre

Pit Dimensions

Pit Length 600 mm

Pit Width 600 mm

Pit Area 0.36 m2





SUMP PIT SIZING


ℎ =

= ×

4


26/43


SBMP 13

AreaRain fall

IntensityFlow

Cooling Tower Yard And

Chilller Room446 45.6 5.65

2.07

7.72


7.7 L/sTotal Pipe Length 185.75 m



Static Height 0 m

Output data:



FLOW (L/s)

Input data:




Cooling Tower Blow Down


27/43

Sump Pit number: 13


Usable Pit Volume:





Tmin = 240 seconds

Q req = 7.72 L/s


Pit Dimensions

Pit Length 1200 mm

Pit Width 1200 mm

Pit Area 1.44 m2

Usable Depth 0.32164 mLowest pipe invert level 0.428 m




SUMP PIT SIZING


ℎ =

= ×

4


28/43

SWP 1


20.0 L/s *




Static Height 10 m

Output data:



*max. allowable flow permitted for SDC-02

Input data:


STORM WATER PUMP :

A. STORM WATER PUMP


29/43

Water Distribution Calculations

References :

1- International Plumbing Code 2009

(IPC)

2-Kahramaa Regulation


30/43

A.Souq waqif domestic water tank (Ref. WT-01)

700 Car

Including

staff

Water Consumption (Public Amenities) : 40 L /Capita/Day

Water Storage Period : 1 Days

Water Consumption Per Day:700*40*1= 28000 L/day

30.00 m3

60.00 m3

Domestic Cold water Tank:

No. of car park:

48-hour Domestic Cold water Tank storage

24-hour Domestic Cold water Tank storage


31/43

All below load values data is taken from Inernational Plumbing Code -Table E 103.3 (2) and E 103.3 (3)

friction loss Head

Network Segman Dia. (mm) Act. L (m) Tot. L (m)Flowrate

(L/s)

F. Loss

(Pa/m)

01 TO 02 110 12.30 21.53 7.53 255.00

02 TO 03 110 17.60 30.80 6.44 191.00

03 TO 04 110 7.10 12.43 6.43 190.00

04 TO 05 90 53.70 93.98 4.48 528.00

05 TO 06 63 28.00 49.00 2.08 351.00

06 TO 07 63 34.50 60.38 2.06 345.00

07 TO 08 63 24.80 43.40 2.05 342.00

08 TO 09 63 31.70 55.48 2.03 336.00

09 TO 10 63 28.50 49.88 2.00 327.00

10 TO 11 63 30.00 52.50 1.99 324.00

11 TO 12 63 5.30 9.28 1.97 318.00

12 TO 13 63 12.20 21.35 1.95 312.00

13 TO 14 63 15.10 26.43 1.93 306.00

14 TO 15 32 12.72 22.26 0.46 590.00

15 TO 16 32 33.81 59.17 0.37 394.00

EH-1 10000

Total Friction loss 23.23 m

Static Head = 7.6 m

Residual Pressure Head= 15 m

Total head needed is 45.83 m

4.58 Bar

13133.40

10000.00

2949.45

6661.20

8086.05

23312.00

Water Booster Pump:

A. LOAD VALUES, IN WATER SUPPLY FIXTURE UNITS (wsfu) FOR ALL AREAS

C. Pump Head :

Pump Head

P. Drop (Pa)

5488.88

5882.80

Elec. Heater

2360.75

49618.80

17199.00

20829.38

14842.80

18639.60

16309.13

17010.00


32/43

All below data regarding Fixtues and flow (L/hr) for each fixture is taken from Table 10 Chapter 49

of ASHRAE HVAC Applications Handbook (2007 )

Demand Factor : 0.3

Storage Capacity Factor : 2

FIXTURE OCCUPANCYFLOW RATE

(L/H/FIX.)Qty.

Washbasin Public 23 3

Washbasin Private 7.6 1

Possible maximum demand 76.6 Liter

Probable maximum demand 23 LiterTotal Storage Capacity 46 Liter

Manufacturer Selection for E. heater Capacity 50 Liter

Time Required to Heat Cylinder 1 hours

Cold Water Temperature 25 C

Required Hot Water Temperature 60 C

Heating Coil Electrical Load 1 kW

B. Refering to ASHRAE table we will follow data to calculate calorifier

Demand Factor : 0.3



(L/H/FIX.)Qty.



Possible maximum demand 99.6 LiterProbable maximum demand 29.88 Liter

Total Storage Capacity 59.76 Liter


A. Refering to ASHRAE table we will follow data to calculate calorifier

Electrical Hot Water Calculations:

REF. EH-1

REF. EH-2

TOTALS

69.00

76.60

TOTALS

92.00

99.60

7.60

7.60


33/43





C. Refering to ASHRAE table we will follow data to calculate calorifier

Demand Factor : 0.3



(L/H/FIX.)Qty.



Possible maximum demand 237.4 Liter

Probable maximum demand 71.22 Liter

Total Storage Capacity 142.44 Liter






REF. EH-3

TOTALS

207.00

30.40

237.40


34/43


35/43

Female Toilet B311

Sanitary Fixture Qty.Fixture unit

FU*

Fixture

Unit

Bathroom Group 1 3.6 3.6

Lavatory 4 2 8

WC 5 5 25

TOTAL 36.6

Note

* Fixture unit based on IPC 2009 Table E103.3(2)

** Pipe sizes are based on PPR-PN16

Male Toilet B312


FU*

Fixture

Unit


Lavatory 4 2 8

WC 5 5 25

TOTAL 36.6

Note



Male Toilet B351A


FU*

Fixture

Unit


Lavatory 4 2 8Urinal 4 5 20

WC 4 5 20

TOTAL 53.4

Note



Parking Souq Waqif

Basement 2 - Pipe Sizing Calculations


36/43

Female Toilet B351B


FU*

Fixture

Unit


Lavatory 5 2 10

WC 4 5 20

TOTAL 37.2

Note



Female Toilet B358


FU*

Fixture

Unit


Lavatory 3 2 6

WC 1 5 5

TOTAL 13.7

Note



Male Toilet B359


FU*

Fixture

Unit


Lavatory 3 2 6

WC 1 5 5TOTAL 13.7

Note



Parking Souq Waqif



37/43

Female Toilet B369


FU*

Fixture

Unit


Lavatory 3 2 6

WC 2 5 10

TOTAL 18.7

Note



Male Toilet B370


FU*

Fixture

Unit


Lavatory 3 2 6

WC 2 5 10

TOTAL 18.7

Note



Parking Souq Waqif



38/43

Male Toilet B202


FU*

Fixture

Unit


Lavatory 3 2 6

WC 4 5 20

TOTAL 28.7

Note



Female Toilet B203


FU*

Fixture

Unit


Lavatory 3 2 6

WC 4 5 20

TOTAL 28.7

Note



Female Toilet B209


FU*

Fixture

Unit

Bathroom Group 1 2.7 2.7Lavatory 4 2 8

WC 6 5 30

TOTAL 40.7

Note



Parking Souq Waqif



39/43

Male Toilet B210


FU*

Fixture

Unit


Lavatory 4 2 8

WC 6 5 30

TOTAL 40.7

Note



Male Toilet B257


FU*

Fixture

Unit

Lavatory 4 2 8


WC 3 5 15

TOTAL 25.7

Note



Female Toilet B258


FU*

Fixture

Unit

Lavatory 4 2 8Bathroom Group 1 2.7 2.7

WC 3 5 15

TOTAL 25.7

Note




Parking Souq Waqif


40/43


41/43

A PPE NDI X E

TABLE E103.3(2)

LOAD VALUES ASSIGNED TO FIXTURESa

LOAD VALUES, IN WATER SUPPLY FIXTURE UNITS (wsfu)TYPE OF SUPPLY

FIXTURE OCCUPANCY CONTROL Cold Hot Total

Bathroom group Private Flush tank 2.7 1.5 3.6

Bathroom group Private Flush valve 6.0 3.0 8.0

Bathtub Private Faucet 1.0 1.0 1.4

Bathtub Public Faucet 3.0 3.0 4.0

Bidet Private Faucet 1.5 1.5 2.0

Combination fixture Private Faucet 2.25 2.25 3.0

Dishwashing machine Private Automatic - 1.4 1.4

Drinking fountain Offices, etc. 3/8" valve 0.25 - 0.25

Kitchen sink Private Faucet 1.0 1.0 1.4

Kitchen sink Hotel , restaurant Faucet 3.0 3.0 4.0

Laundry trays ( l to 3) Private Faucet 1.0 1.0 1.4

Lavatory Private Faucet 0.5 0.5 0.7

Lavatory Public Faucet 1.5 1.5 2.0

Service sink Offices, etc. Faucet 2.25 2.25 3.0

Shower head Public Mixing valve 3.0 3.0 4.0

Shower head Private Mixing valve 1.0 1.0 1.4

Urinal Public 1" flush valve 10.0 - 10.0

Urinal Public flush valve 5.0 - 5.0

Urinal Public Flush tank 3.0 - 3.0

Washing machine (8 lb) Private Automatic 1.0 1.0 1.4

Washing machine (8 lb) Public Automatic 2.25 2.25 3.0

Washing machine (15Ib) Public Automatic 3.0 3.0 4.0

Water closet Private Flush valve 6.0 - 6.0

Water closet Private Flush tank 2.2 - 2.2

Water closet Public Flush valve 10.0 - 10.0

Water closet Public Flush tank 5.0 - 5.0

Water closet Public or private Flushometer tank 2.0 - 2.0

For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg.

a. F or fIXtures not listed , loads should be assumed by comparing the fixture to one listed using water in similar quantities and atsimilar rates. The assigned loads for

fIXtures with both hot and cold water supplies are given for separate hot and cold water loads and for total load. The separate hot and cold water loads beingthree-fourths o f the total load for the fixture in each case.

130 2009 INTERNATIONAL PLUMBING CODE®


42/43

TABLE E103.3(3)

TABLE FOR ESTIMATING DEMAND

AP PENDI X E

SUPPLY SYSTEMS PREDOMINANTLY FOR FLUSH TANKS SUPPLY SYSTEMS PREDOMINANTLY FOR FLUSH VALVES

Load Demand Load Demand

(Water supply fixture units) (Gallons per minute) (Cubic feet per minute) (Water supply fixture units) (Gallons per minute) (Cubic feet per minute)

1 3.0 0.04104 - - -

2 5.0 0.0684 - - -

3 6.5 0.86892 - - -

4 8.0 1.06944 - - -

5 9.4 1.256592 5 15.0 2.0052

6 10.7 1.430376 6 17.4 2.326032

7 11.8 1.577424 7 19.8 2.646364

8 12.8 1.711104 8 22.2 2.967696

9 13.7 1.831416 9 24.6 3.288528

10 14.6 1.951728 10 27.0 3.60936

11 15.4 2.058672 11 27.8 3.716304

12 16.0 2.13888 12 28 .6 3.823248

13 16.5 2.20572 13 29.4 3.930192

14 17.0 2.27256 14 30.2 4.037136

15 17.5 2.3394 15 31.0 4.14408

16 18.0 2.90624 16 31.8 4.241024

17 18.4 2.459712 17 32.6 4.357968

18 18.8 2.513184 18 33.4 4.464912

19 19.2 2.566656 19 34.2 4.571856

20 19.6 2.620128 20 35.0 4.6788

25 21.5 2.87412 25 38.0 5.07984

30 23.3 3.114744 30 42.0 5.61356

35 24.9 3.328632 35 44.0 5.88192

40 26.3 3.515784 40 46.0 6.14928

45 27 .7 3.702936 45 48.0 6.41664

50 29.1 3.890088 50 50.0 6.684

60 32.0 4.27776 60 54.0 7.21872

70 35.0 4.6788 70 58.0 7.75344

80 38.0 5.07984 80 61.2 8.181216

90 41.0 5.48088 90 64.3 8.595624

100 43.5 5.81508 100 67.5 9.0234

120 48 .0 6.41664 120 73.0 9.75864

140 52.5 7.0182 140 77.0 10.29336

160 57.0 7.61976 160 81.0 10.82808

180 61.0 8.15448 180 85.5 11.42964

200 65.0 8.6892 200 90.0 12.0312

225 70.0 9.3576 225 95.5 12.76644

250 75.0 10.026 250 101.0 13.50168

(continued)

2009 INTERNATIONAL PLUMBING CODE® 131


43/43

APPENDI X E

TABLE E103.3(3)-continuedTABLE FOR ESTIMATING DEMAND

SUPPLY SYSTEMS PREDOMINANTLY FOR FLUSH TANKS SUPPLY SYSTEMS PREDOMINANTLY FOR FLUSH VALVES

Load Demand Load Demand

(Water supply fixture units) (Gallons per minute) (Cubic feet per minute) (Water supply fixture units) (Gallons per minute) (Cubic feet per minute)

275 80.0 10.6944 275 104.5 13.96956

300 85.0 11.3628 300 108.0 14.43744

400 105.0 14.0364 400 127.0 16.97736

500 124.0 16.57632 500 143.0 19.11624

750 170.0 22.7256 750 177.0 23.66136

1,000 208.0 27.80544 1,000 208.0 27.80544

1,250 239.0 31.94952 1,250 239.0 31.94952

1,500 269.0 35.95992 1,500 269.0 35.95992

1,750 297.0 39.70296 1,750 297.0 39.70296

2,000 325.0 43.446 2,000 325.0 43.446

2,500 380 .0 50.7984 2,500 380 .0 50.7984

3,000 433.0 57.88344 3,000 433.0 57.88344

4,000 525.0 70.182 4,000 525.0 70.182

5,000 593.0 79.27224 5,000 593.0 79.27224

mechanical calculations- plumbing.pdf

Documents