Graduation Project 2

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• Graduation Project 2
• Mechanical Systems For Al-Zakah Hospital
• Students
• Mohammed Sawalhi (10840740)
• Mohammed Younis (10824906)
• Mohammed Hannon (10822899)
• Nedal Al-Masri (10823665)
• Aya Nairat (10821417)
• Supervisor
• Dr. Iyad Assaf

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Introduction

• In our project, we are going to Design the
  following Mechanical systems for Al Zakah
  hospital in Palestine-Tulkarm which consists of 7
  floors two of them under the ground
• 1- HVAC System Heat, Ventilation Air
  conditioning
• 2- Plumbing System
• 3- Fire Fighting System
• 4- Medical Gases System.

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Buildings Description

• Country Palestine / West bank .
• City Tulkarm.
• Street Al-Montaza street .
• Latitude 31.9
• Building face sits at south orientation.
• The wind speed is greater than 5 m/s

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Heating load Equations

• Qs,cond U A (Ti To) .
• Q s,vent 1.2 Vvent (Ti To).
• Q L,vent 3 Vvent (Wi- Wo).
• Qtotal Qs,cond Qs,vent Ql,vent

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Heating Results
Floor No. Heating Load (Kw) Heating Load (TON Ref.) Heating Load (CFM)
Basement 2 27.38 7.823 3129.14
Basement 1 0 0 0
Ground Floor 24.81 7.088 2835.42
Second Floor 23.46 6.704 2681.71
Third Floor 29.48 8.423 3369.14
Fourth Floor 70.85 20.244 8097.14
Fifth Floor 39.48 11.280 4512
Total heating load 209.14 59.753 23901.71
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Boiler selection

• Boiler capacity (Q building Q domestic hot
  water) 1.1
• (209.137 232)
  1.1 485.25 KW
• we select boiler model FM500 that gives power
  500 KW

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Cooling Equations

• Qs U A CLTD corc.
  For Wall And Ceiling.
• CLTD corr ( CLTD LM ) K ( Tin -25.5 ) (
  To 29.4 ).
• Qs transmitted A SHG SC CLF .
  From glass
• Qs convection U A ( CLTD ) correction.
  From glass
• Qs vent 1.2 A ( To T in ) .
• QL 3 A ( W o W in )
• Qs people qs n CLF
• QL people ql n
• Qs lighting W CLF
• Qs equipment qs CLF
• Ql equipment ql

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Cooling Results
Floor No. Cooling Load (Kw) Cooling Load (TON Ref.) Cooling Load (CFM)
Basement 2 65.68 18.76 7504
Basement 1 0 0 0
Ground Floor 85.93 24.55 9820
Second Floor 57.77 16.5 6600
Third Floor 74.70 21.34 8536
Fourth Floor 141.36 40.39 16156
Fifth Floor 69.36 19.82 7928
Total Cooling load 468.81 133.95 43580
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Chiller Selection

• Q chiller Q cooling for building 1.1
  515.6891 KW 147.34 Ton Refr.
• From the Petra catalogue according to the
  following data
• Ambient temperature 95 (Fo)
• Leaving chiller water temperature 45 (Fo)
• Q chiller 147.34 Ton Ref.
• Frequency 50Hz

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Air Handling Units Selection

• From Petra catalogue

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Fan coil selection
From Petra catalogue As example Doctor Room1 at
ground floor

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Fans selection
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Pumps selection

• Chiller Pump
• From Salsmon catalogues
• m pump 20.56 (L/s ) ?H 7.8m gtgt ?P
  76518 Pa
• L total L to the farthest diffuser 2 1.5
  204 m
• (?P/L) 375 (Pa/m) Where 200 lt (?P/L)
  lt 550
• Model No. 80-160 from Salsmon catalogues

• Boiler Pump
• From Salsmon catalogues
• m pump (Qs)/(Cp ?T) 3.75 (L/s)
• m pump 3.75 (L/s) , ?H 7.1m gtgt ?P 69651
  Pa
• L total 204 m
• (?P/L) 341.1 (Pa/m) Where 200 lt
  (?P/L) lt 550
• Model No. 40-160 from Salmson catalogues

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Duct Sizing
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Steel Pipes Sizing
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Plumbing Results

• Potable water Sizing Steel PipesAs an Example
  for 3rd Floor

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Potable Pump Head

• (?P) pump (?P) friction fitting (?P) head
  (?P) flow

• Where
• - (?P) friction fitting 1.8 (?P)
  friction
• gt (?P) friction (?P/L) AB LAB
  (?P/L) BC LBC (?P/L) CD LCD
• - (?P) friction fitting 12.726 kpa
  - (?P) head ? g H -29.4 Kpa
• - (?P) flow 156.8 102 Kpa
• (?P)
  pump 85.32 Kpa
  
• Flow rate Pump 8.94 L/s

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Drainage System

• At each number of fixtures we find the diameter
  size from tables.
• Main Results Horizontal branch diameter 4"
• Riser diameter 4"
• Building drain diameter 4"
• Building drain slope 1

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Fire Fighting System

• In this project, we used 1 landing valve and 1
  cabinet for each floor
• Cabinet Residual pressure 65 PSI
• Size 1½"
• Landing valve Residual pressure 100 PSI
• Size 2½"
• Stand pipe diameter 4"
• Pump flow rate 500 g.p.m
• Tank volume ((Flow rate 3.8 t) / (1000))
• ((5003.8120)/
  (1000))
• 228 m3

• .

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Fire Fighting Pump head
(?P) pump (?P) friction fitting (?P) head
(?P) flow

• Where
• - (?P) friction fitting 1.5 (?P)
  friction
• gt (?P) friction (?P/L) AB LAB
  (?P/L) BC LBC (?P/L) CD LCD
• - (?P) friction fitting 33.289548
  kpa - (?P) head ? g H 1000 9.81 3
  -29 Kpa
• - (?P) flow 1006.8 Kpa 680 kpa
• (?P) pump
  684.289 Kpa
• Jockey Pump Flow rate (5 10) g.p.m
• 
  (?P)Jockey pump (?P) pump (10 PSI 6.8)
  500.6175 kpa

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FM-200 system

• Mass of clean agent
• M (V/S) C / (100
  C)
• Leakage rate
• Leakage rate 0.608
  Pc (8.7)
• gt Pc g Ho
  (rm ra)
• Results

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Volume of FM-200 Cylinder

• Weight (? g Volume)
• Total mass g (? g Volume)
• Volume (Total mass/ ?) (398.682/100) 3.98 m3

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Medical Gases

• Results As an Example for 3rd floor

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Medical Gases
Volume of cylinders for each gas 1- Oxygen
gas 54.5 SCFM gtgt
24.77 (L/s) gtgt 0.02477 (m3/s) 2- Medical
vacuum 92.5 SCFM gtgt 42
(L/s) gtgt 0.042 (m3/s) 3- Medical air
7 SCFM gtgt 3.1 (L/s) gtgt 0.0031
(m3/s)
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Thank You