Medical Gases Calculations

Mechanical & Industrial Department CAIRO - EGYPT Subject Medical gases Building Adapazari Hospital

DESIGN CALCULATION SHEET

MEDICAL GASES

COMPRESSED GASES

VACUUM

NITROGEN

PRACTICAL PLUMBING DESIGN GIUDE

OXYGEN

NI

Project No.

Date

CALCULATION Sheet No. of Checked by T.Z.

15/1/2002 Computed by Y.G. Approved by

GASES

GEN

OXYGEN

NITROUS OXIDE

DESIGN CALCULATION SHEET

Mechanical & Industrial Department CAIRO - EGYPT Subject Building

Project No.

Date

Sheet No. of Checked by

15/1/2002 Computed by Y.G. Approved by

LABORATORY SYSTEMS

GENERAL BUILDING SYSTEMS

COMPRESSED AIR AND VACUUM AIR SYSTEMS

CLINICAL SYSTEMS

DENTAL SYSTEMS `

CLINICAL SYSTEMS COMPRESSED AIR SYSTEM

LOCATION Major operating rooms Trauma rooms Plaster room Delivery rooms Endoscopy Recovery ICU rooms Nurseries Special care Nurseries Pre-OP room CT Scan

VOLUME/OU NUMBER OF USE TLET (CFM) OUTLETS FACTOR 2 2(3bar)+1(7bar) 100 2 1/bed 100 1 1/bed 50 2 1/room 100 1/room 2 1/bed 50 2 1/bed 50 1 1/4 bassinets 20 1 3/bassinet 100 1 1/bed 10 1 1/room 10

then you get

67.2

ENTER NO. OF TOTAL OUTLETS CFM 8 16 8 16 1 0.5 0 10 18 3 6 1

10 18 0.6 6 0 0.1

cfm of compressed air

VACUUM AIR SYSTEM

LOCATION Operating room open heart, organ transplant, etc. (2/room) Major operating room (2/room) Minor operating room Cystoscopy and special procedures (2/room) Emergencya Emergencya (Isolation) Trauma room Plaster (fracture room) Delivery room Recovery first inlet/bed Recovery second inlet/bed Recovery additional inlet/bed ICU&CCU first inlet/bed ICU&CCU second inlet/bed ICU&CCU additional inlet/bed Patient rooms surgicalb Sometimes one inlet/bed Sometimes one inlet/2 beds) b Patient rooms medical Sometimes one inlet/bed Sometimes one inlet/2 beds) Labor rooms Nurseries Special care Nurseries Endoscopy rooms

CFM/INLET (@15-IN HG)

NUMBER OF USE OUTLETS FACTOR

3.5 2 2

6/room 3/room

100 100 100

1 2 2 1 1 2 3 1 1 3 1 1

1/bed 3/bed 2/bed 1/room 6/room 2/bed 2/bed 2/bed 2/bed 2/bed 2/bed

40 100 100 100 100 100 100 50 10 100 50 10

1 1

ENTER NO. OF ROOMS OR BEDS

4

0

51 6 8

0 0

2 2 16 1 1 16

50 50 1/bed

1 1 1 1 1 1

1/4bassinet 2/bassinet 1/room

10 10 20 10 40 10

1

188

1 1 1

3 3 6

TOTAL CFM 0 0 72 0 102 36 8 0 0 6 1 1.6 3 0.5 1.6 0 0 0 0 19.8 0 0 1.3 2.2 1.6 256.6

Number of outlets is 1/room except as noted a

All outlets in the emergency department (area) should have 100% simultaneous use factor Where patient rooms are interchangeable (surgical or medical), use 50% simultaneous use factor for the first 4 rooms on the far end of the section of pipping and 20% thereafter

b

Then you get

256.6

cfm of vacuum air

Go to

O2&N2O

15/1/2002 Computed by Y.G. Approved by

DESIGN CALCULATION SHEET

Mechanical & Industrial Department CAIRO - EGYPT Subject CFM Estimation Building Adapazari Hospital

OXYGEN SIMULTA NEOUS USE FACTOR

***added

LOCATION Operating rooms First room (far end of a section of piping and all individual branches to rooms) Second room (on a section of piping) Each additional room (on a section of piping) b Emergency rooms First outlet 2nd&3rd 4--12 13--20 21--40 40 & up Trauma rooms First room (far end of a section of piping and all individual branches to rooms) Second room (on a section of piping) Each additional room (on a section of piping) Delivery rooms First room (far end of a section of piping and all individual branches to rooms) Second room (on a section of piping) Each additional room (on a section of piping) Recovery rooms 1--8 outlets 9--12 13--16 and up ICU rooms CCU rooms Other spaces such as Patient rooms (Medical and surgical)(beside outlets) First outlet 2nd&3rd 4--12 13--20 21--40 40 & up Labor rooms Sometimes one outlet/bed First outlet 2nd&3rd 4--12 13--20 21--40 40 & up Nurseries First outlet 2nd&3rd 4--12 13--20 21--40 40 & up Special care nurseries First outlet 2nd&3rd 4--12 13--20 21--40 40 & up Dyalisis First outlet 2nd&3rd 4--12 13--20 21--40 40 & up Anesthesia work rooms First outlet 2nd&3rd 4--12 13--20 21--40 40 & up MRI First outlet 2nd&3rd 4--12 13--20 21--40 40 & up CT-Scan

PER ROOM

PER OUTLET

PER BED

NUMBER OF OUTLETS 2/room

ENTER NO. OF ROOMS OR OUTLET S

TOTAL

100

50

1

50

100 100

30 20

1 2

30 40

1 2 8 8 20 17

20 20 60 40 66 42.5

1/bed 100 100 75 50 33 25

20 10 10 10 10 10 2/bed

100

50

1

50

100 100

30 20

1 2

30 40

100

50

0

100 100

30 20

0 0

6/room

2/bed 100 60 50 45 100 100

20 20 20 20 20 20 20

100 100 75 50 33 25

20 10 10 10 10 10

100 100 75 50 33 25

20 10 10 10 10 10

100 100 75 50 33 25

20 10 10 10 10 10

100 100 75 50 33 25

20 10 10 10 10 10

100 100 75 50 33 25

20 10 10 10 10 10

100 100 75 50 33 25

20 10 10 10 10 10

100 100 75 50 33 25

20 10 10 10 10 10

2/bed

8 4 4 4 18

160 48 40 36 360 0

6 12 51 30 69 23

120 120 382.5 150 227.7 57.5

1/bed

1/room 0 0 0 0 0 0 1/4 bassinet 1 2

20 20 0 0 0 0

1 2 3

20 20 22.5 0 0 0

1 2 1

20 20 7.5 0 0 0

1

20 0 0 0 0 0

1 1

20 10 0 0 0 0

2/bassinet

1/bed

1/bed

1/bed

1/room

First outlet 2nd&3rd 4--12 13--20 21--40 40 & up Endoscopy rooms First outlet 2nd&3rd 4--12 13--20 21--40 40 & up

100 100 75 50 33 25

20 10 10 10 10 10

100 100 75 50 33 25

20 10 10 10 10 10

1/room

a

Where Oxygen is used to power fluidicaly controlled anesthesia ventilators, increase LPM volume by 40% All outlets in the emergency dept. (area) should have 100% simultaneous use factors c Where Oxygen is used to power fluidically controlled ventilators, volume should be 40 LPM d Simultaneous-use factor for other spaces: the first outlet on the end section of piping 20 LPM, 100% use factor. For additional outlets on the section of piping 10 LPM with the use-factors used in the above table. b

Then you get

2450.2

LPM of Oxygen

NITROUS OXIDE

LOCATION First operating room (far end of piping and all individual branches to operating rooms Second operating room (on a section of piping) Each additional operating rom (on a section of piping) Delivery rooms Emerency rooms Trauma rooms Aneshtesia work room Plaster (fracture room) Endoscopy room

Then you get

210

Go to

SIMULTA NEOUS USE VOLUME, LPM/ FACTOR ROOM 30 20 15 20 20 20 15 20 15

LPM of Nitrous Oxide

GO TO FINAL COMPARAISON SHEET

1

TOTAL 30

1 2

20 30

4 1 1 1

0 0 80 15 20 15

1

20 0 0 0 0 0

2

40 0 0 0 0 0

Project No. TK0191 Sheet No. of Checked by

Date 15/1/2002 Computed by Y.G. Approved by

Project No. TK0191 Sheet No. of Checked by

Mechanical & Industrial Department CAIRO - EGYPT Subject Medical Gases CFM estimation Building Adapazari Hosptial

PPDG CFM

LPM

COMPRESSED AIR

67.20

1902.89

VACUUM

200.00

5663.37

OXYGEN

86.53

2450.20

NITROUS OXIDE

7.42

210.00

Oxygen Tank Calculations Go to

Schedule of Equipment Pipe Sizing

Date 15/1/2002 Computed by Y.G. Approved by

Project No. J0274 Sheet No. of Checked by

Mechanical & Industrial Department CAIRO - EGYPT Subject Oxygen tank capacity and reserve Building King Hussein Hospital

Total number of beds =

269

beds

Following the Practical plumbing guide for bulk systems: Allow 500 cu.ft/bed/month+reserve manifold for one day supply: # of beds*500=

134500 cu.ft/month

Convert to liquid status=

156.3953 cu.ft/momth

The reserve for one day is: montn reserve/30= 4483.333 1 cylinder= 244 # of cylinders= 18.37432 so 20

Final Tank capacity

cu.ft./day cu.ft so cylinders cylinders

Go to

Schedule of Equipment Pipe Sizing

Date 30/11/2003 Computed by Y.G. Approved by

Project No. TK0191 Sheet No. of Checked by

Mechanical & Industrial Department CAIRO - EGYPT Subject Schedule of equipment Building Adapazari Hosptial

Medical Vacuum Unit Column NO. 1 Unit NO. System served Medical Vacuum Building Hospital Floor Basement Room Specification type Pressure (mm Hg) Capacity l/s per unit Quantity

Packaged duplex 381 45 1

Medical Compressed Air Unit Column NO. 1 Unit NO. System served Medical Air Building Hospital Floor Basement Room Reciprocating packaged oilSpecification type less Quadraplex Discharge pressure Kpa 345 Capacity l/s per unit 20 Quantity 1

L/S is the expanded flow at 510 mm Hg

Oxygen Tank Calculations Go to

Pipe Sizing

Date 15/1/2002 Computed by Y.G. Approved by

Project No. TK0191 Sheet No. of Checked by

DESIGN CALCULATION SHEET

Mechanical & Industrial Department CAIRO - EGYPT Subject Pressure loss/100 ft calculations Building Adapazari Hospital

Date 15/1/2002 Computed by Y.G. Approved by

Oxygen Distance to the farthest outlet Taking fittings and elbows into accounts Converting to ft 697.18 ft

170 m 170 m

x

1.25 =

212.5 m

If 697.18 shouldn't exceed 5 PSI of total pressure drop Then the pressure drop per 100 ft will be 0.7172 .7 PSI/100ft Pressure drop = 34.85892 PSI

50 250 500 1500 2500 4000 7500 15000 25000 50000

LPM

1/2 0.04 0.99

3/4

in 1-1/4

1 0.11 0.45

0.11 0.95

1-1/2

0.3 0.83

2

0.34 0.88

2-1/2

0.2 0.71

3

0.22 0.89

0.35 0.98

4

0.23 0.92

Vacuum Distance to the farthest outlet Taking fittings and elbows into accounts Converting to ft 697.18 ft

170 m 170 m

x

If 697.18 shouldn't exceed 4 in Hg Then the pressure drop per 100 ft will be 0.5737 Pressure drop across pipe = 14.9352 PSI 1 8 15 30 50 100 175 250 450 700 1000

CFM

3/4 0.02 0.76

1 0.2 0.6

1-1/4

0.18 0.68

1-1/2

0.3 0.74

in 2

212.5 m

.6 in Hg 2-1/2

0.2 0.76

1.25 =

0.24 0.7

3

4

0.3 0.58

0.13 0.45

5

0.13 0.3

6

0.1 0.24

Sizing the Vacuum pump discharge piping to the roof 3/4 CFM

1

1-1/4

1-1/2

2

2-1/2

3

4

5

325

Medical air Distance to the farthest outlet Taking fittings and elbows into accounts Converting to ft 697.18 ft

170 m 170 m

x

If 697.18 shouldn't exceed 5 in Hg Then the pressure drop per 100 ft will be 0.7172

5 20 40 90 140 250 400 750 1600

CFM

1/2 0.3

3/4 0.03 0.69

1 0.2 0.8

in 1-1/4

0.18 0.93

1-1/2

0.41 1

1.25 =

212.5 m

.7 PSI/100ft

2

2-1/2

0.27 0.85

3

0.33 0.84

0.27 0.94

4

0.22 1

Nitrous Oxide

Distance to the farthest outlet Taking fittings and elbows into accounts Converting to ft 356.79 ft

87 m 87 m

x

If 356.79 shouldn't exceed 5 in Hg Then the pressure drop per 100 ft will be 1.4014

1/2

3/4

1

in 1-1/4

1-1/2

1.25 =

108.75 m

1 PSI/100ft

2

2-1/2

3

4

in

LPM

50 250 500 1500 2500 4000 7500 15000 25000 50000

0.04 0.99

0.11 0.45

0.11 0.95

0.3 0.83

0.34 0.88

0.2 0.71

0.22 0.89

Oxygen Tank Claculations Go to

Schedule of Equipment

0.35 0.98

0.23 0.92