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PROJECT OVERVIEW
Building type: Office building
Location: Bangalore, India
Area: 3,00,000 sq.ft
Floors: Ground floor + 16Floors
Cooling Load: 352TR
Design occupancy: 3584 People
Comfort condition: 77º F with 50% RH
Building operating schedule:12x5
Air distribution system: VAV single duct
AIR DISTRIBUTION SYSTEM
Comfort condition 77º F with 50% RH
ADP is 54º F & CFM is 9200
Chilled water inlet 8º C & outlet is 15ºC
VCD are placed at the beginning of each
duct.
Backward curved aero-foil blade
centrifugal fan for AHU
Inline centrifugal fan is selected for
exhaust air
29
00
Bo
tto
m o
f fa
lse
ceil
ing
34
00
Bo
tto
m o
f d
uct
DUCT PRESSURE DROP ANALYSIS
Pressure drop is due
to bends and head
Static pressure for critical
path is 31.8pa
Based on the static pressure
in the critical path AHU fan is
selected
Total building load 352TR
Water cooled screw chillers 2
quantities 175TR+ 175TR
Counter flow Induced draft
cooling tower is selected
Approach is 3°C and Range is 5°C
CHILLER PLANT
ELECTRICAL SYSTEM
Ladder type cables are used
Cables are selected based on current flow
2100
Bott
om
of
lighti
ng f
ixtu
re
PLUMBING
1:100 Slope for sanitary pipes
No 90˚bends, only Y fittings
45˚ bends are taken
P- Trap
BO
P 3
200
FIRE FIGHTING SYSTEM
Fire fighting system is designed as per NBC standards for commercial building
Pipes are sized based on number of sprinklers
Sprinklers are placed effectively to cover entire area of the building
TOP FLOOR
FALSE CEILING
Bo
tto
m o
f sp
rinkle
r
28
44
Bo
tto
m o
f p
ipe
30
00
BOTTOM FLOOR
INTERFERENCE CHECK
Interference check between MEP systems is performed
Clashes are highlighted by ID
CLASH OF FIRE FIGHTING PIPE,
LIGHTING FIXTURE, CABLE TRAY
CLASH SOLVED BY MOVING FIRE
FIGHTING PIPE AND DUCT
CLASH DETECTION AND SOLUTION
ANNOTATION
CO-ORDINATED SECTIONAL
VIEWLabels are created to annotate
duct size, flow rate and BOD
BO
L 2
10
0
BO
F 2
90
0
BO
P 3
00
0
BO
C 3
10
0
BO
D 3
40
0
BOL – Bottom of Lighting fixture
BOF – Bottom of false ceiling
BOP – Bottom of Pipe
BOC – Bottom of Cable tray
BOD – Bottom of Duct