Job : Comparison

Location :
Space : Zone 2
Unit in Meter. : Width Length Area Height Volume
Size : 0 0 1203 11 13233
Clean Room Class : NIL
Filtration : 10 Micron
Pressure Gradient : NIL
Lighting Load : 20.0 Watts / Sq. Mtr.
Occupancy : 5 Nos.
Equipment Load : 0.0 KW
CFM / Person : 15
Correction Factor : 12
Coil By Pass Factor. : 0.1 Row Deep Coil. : 4
Air Change/Hr.: 2
Weight OF Wall: 60
Heatload for(summmer/monsoon) summer
Room Air Changes/Hr.: 2 441 CFM
Glasses Area In Sun Gain / Temp. 'U'Factor Heat
Sq.Mtr. In Deg. C kW
Glass W 0.00 163 0.30 0
Glass E 0.00 12 0.30 0
Glass N 26.90 23 0.70 433
Glass S 26.90 12 0.70 226
Glass NW 0.00 138 0.30 0
Glass SW 0.00 85 0.30 0
Glass NE 0.00 12 0.30 0
Glass SE 0.00 12 0.30 0

Walls Eq.Temp.
Diff. :
Wall W 176.44 37 0.28 1834
Wall E 0.00 30 0.28 0
Wall N 182.00 22 0.28 1121
Wall S 182.00 35 0.28 1784
Wall NW 0.00 24 0.16 0
Wall SW 0.00 44 0.16 0
Wall NE 0.00 24 0.16 0
Wall SE 0.00 30 0.16 0
Roof SUN 1203.00 40 0.09 0
Roof SHA 0.00 20 0.40 0
All Glass 53.80 29 0.47 733
Partition 0.00 19 0.30 0
PartitionGl. 0.00 19 0.30 0
Ceiling 0.00 19 0.02 0
Floor 0.00 19 0.38 0
People 5 No. X 270 Gain/Person. 1350
Eqp Load 0.00 No. X 3410 Gain/KW 0
Lights 24060.00 Watts X 1 X 3.40 81804
Appliance 0.00 Watts X 3.40 0
Product Load
ROOM SENSIBLE HEAT SUBTOTAL : 89285
Supply Duct Heat Gain : 5% 0
Safety Factor : 5%
Fan Heat Gain : 2% 1786
Out.Air 441 24 0.10 B.F. 1.08 1143
Infiltration 335
EFFECTIVE ROOM SENSIBLE HEAT : 92550
 16 Hours
4.00pm Date :
Out Side DB deg.C WB deg.C D range %RH DP GR/LB
Summer 46 0 32 60 0 92
Winter 30 0 0 0
Room 22 18 60 0 64
T : 24 32 Gr/Lb : 28
VENTILATION:
5 People 15 CFM/Per. 75
1203 Sq.Mtr. 11 HT. x 2 441
Select : 441
Effective Room Sensible Heat Factor ( ERSHF ) :

92550 Effective Room Sensible Heat

= 0.99
93621 Effective Room Total Heat
Apparatus Dew Point. :( A.D.P.) Indicated = 54
Selected = 61
Dehumidified Rise =
(1-B.F.) x (RM.TEMP- A.D.P.)
0.90 x -39 = -35.1

Dehumidified CFM = 92550 (E.R.S.H.)

1.08 x -35.10 (Deh. Rise)

Dehum. CFM = -2441

Supply Air CFM = 441

Coil By Pass CFM = 2883

CFM / Sq.ft. = 0.4
Sq.ft. / TR = 126
ROOM LATENT GAIN :
Infiltration 28 gr/lb 0.68 200
People 5 NO. X 175 Gain/Person 700
Steam Lb/Hr. X 1080 0
Vap.Trans. 0 0.01 28 gr/lb 0
Permeation Load
ROOM LATENT HEAT SUBTOTAL: 900
Supply Duct Leackage Loss & Safty Factor : 5% 45
Out.Air 441.1 28 0.1 B.F. 0.68 126
EFFECTIVE ROOM LATENT HEAT : 1071
 EFFECTIVE ROOM TOTAL HEAT : 93621
Out Side Air Heat : T x (1 - B.F.) x Factor = BTU / Hr.
Sensible 441 24 T 0.90 1.08 10290
Latent 441 28 gr/lb 0.90 0.68 7559
GRAND TOTAL HEAT SUBTOTAL : 111469
Safety Factor : 0.03 3344
Roof Sun 32 0 0
0 0
Roof SHA 8 0 0
Ceiling 19 0 0
GRAND TOTAL HEAT : 114813

LOAD TR : 9.6
ROOM SENSIBLE HEAT FACTOR : 0.99
GRAND ROOM SENSIBLE HEAT FACTOR : 0.81
 SUMMER
STATE LAT ALT DAILY RANGE DB WB RH%

AHMEDABAD 23.02 55 26 110 78 24

MUMBAI 18.54 11 12 95 83 60
THANE 18.54 10 15 100 82 47
PUNE 18.32 559 31 104 76 28
VADODRA 22.18 34 26 110 78 24
JABALPUR 21.16 393 29 108 75 22

MUSCAT 23.61 8m 38 40 30 65
 MONSOON
GR/LB DB WB RH% GR/LB

93.5 90 85 82 177
153 85 82 88 162
138 86 83 86 168
90.5 83 79 82 145
93.5 88 79 68 136
78 93 84 70 163.8
 DAILY RANGE

T 8 10 12 14 16 18 20 22
-30 -39 -40 -41 -42 -43 -44 -45 -46
-20 -29 -30 -31 -32 -33 -34 -35 -36
-10 -19 -20 -21 -22 -23 -24 -25 -26
0 -9 -10 -11 -12 -13 -14 -15 -16

5 -4 -5 -6 -7 -8 -9 -10 -11
10 1 0 -1 -2 -3 -4 -5 -6
15 6 5 4 3 2 1 0 -1
20 11 10 9 8 7 6 5 4

25 16 15 14 13 12 11 10 9
30 21 20 19 18 17 16 15 14
35 26 25 24 23 22 21 20 19
40 31 30 29 28 27 26 25 24

TYPICAL BYPASS FACTORS

DEPTH OF COILS WITH OUT SPRAYS

(ROWS) VELOCITY( LPM)
300 400 500 600 700
2 0.225 0.274 0.314 0.346 0.373
3 0.107 0.143 0.176 0.204 0.228

4 0.052 0.076 0.099 0.12 0.14

5 0.025 0.04 0.056 0.071 0.086

6 0.012 0.022 0.032 0.042 0.052

8 0.05 0.03
24 26 28 30 32 34 36 38 40
-47 -48 -49 -50 -51 -52 -53 -54 -55

-37 -38 -39 -40 -41 -42 -43 -44 -45

-27 -28 -29 -30 -31 -32 -33 -34 -35

-17 -18 -19 -20 -21 -22 -23 -24 -25

-12 -13 -14 -15 -16 -17 -18 -19 -20

-7 -8 -9 -10 -11 -12 -13 -14 -15

-2 -3 -4 -5 -6 -7 -8 -9 -10

3 2 1 0 -1 -2 -3 -4 -5

8 7 6 5 4 3 2 1 0

13 12 11 10 9 8 7 6 5

18 17 16 15 14 13 12 11 10

23 22 21 20 19 18 17 16 15
 N.E=NORTH EAST E=EAST
FOR WALL SURFACES
FOR 4 PM SUN TIME
EXPOSURE WEIGHT OF WALL(lb/sq ft)
20 60 100
N.E 14 12 10

E 14 12 18

S.E 16 18 18

S 20 23 18

S.W 40 32 14

W 40 25 12

N.W 24 12 6

N 14 10 4

FOR ROOF SUN ANS ROOF SHADED

CONDITION WEIGHT OF WALL(lb/sq ft)

10 20 40

EXPOSED 43 41 38
TO SUN

COVERED WITH 18 16
WATER

SPRAYED 16 14

SHADED 14 12
 SOLAR HEAT GAIN THRU ORDINARY GLASS
FOR 20 DEGREE
SUN TIME IS TAKEN AS 4 PM

TIME OF YEAR EXPOSURE 4:00 PM

N 23
23 JULY & MAY 21 N.E 12
E 12

S.E 12
S 12
S.W 85

W 163
N.W 138
HORIZONTAL 118
 S.E=SOUTH EAST S.W= SOUTH WEST

OF WALL(lb/sq ft)
140
14

18

16
BACK TO HEAT LOAD
13

10

NS ROOF SHADED

OF WALL(lb/sq ft)
60 80

35 32

14

12

8
FOR EXPOSED WALL

1/2" CEMENT
PLASTER
CEMENT
MORTAR

INSIDE
OUT SIDE AIR FILM
AIR FILM

BACK TO HEAT LOAD 1/2" CEMENT

PLASTER

CONSTRUCTION: RESISTANCE
OUTDOOR AIR SURFACE FILM (7.5 mph WIND) 0.25
BRICK FACING, 9 INCH 1.8
0.5 CEMENT MORTAR 0.1
SAND CEMENT PLASTER 1 in (0.5 ON BOTH SIDES) 0.2
INSIDE AIR SURFACE (STILL AIR)(VER/HORZ) 0.68
TOTAL RESISTANCE 3.03
U FACTOR 0.3300330033

MATERIAL

STILL AIR POSITION

HORIZONTAL
SLOPING 45
VERTICAL
SLOPING 45
HORIZONTAL

BRICK FACING 4 INCH

0.8

U Factor For Floor / Ceiling

FLOOR TILE AIR FILM INSIDE

1/2" PLASTER

4" CONCRETE SLAB

HEAT
FLOW UP
1/2" PLASTER
AIR FILM
CONSTRUCTION: RESISTANCE
INDOOR AIR SURFACE FILM (STILL AIR) 0.61
 PLASTER 0.5 0.1
CONCRETE 4 0.8
PLASTER 0.5 0.1
FLOOR TILE 1/8" 0.05
INSIDE AIR SURFACE (STILL AIR (HOR/UP) 0.61
TOTAL RESISTANCE 2.27
U Factor For Floor / Ceiling 0.4405286344

U Factor For UN-insulated Roof

OUT SIDE AIR FILM

1/2" PLASTER
HEAT
FLOW
DOWN 4" CONCRETE SLAB

1/2" PLASTER
IN SIDE AIR FILM
CONSTRUCTION: RESISTANCE
OUTDOOR AIR SURFACE(71/2MPH WIND) 0.25
PLASTER 0.5 0.1
CONCRETE 4 in 0.8
INSIDE AIR SURFACE (STILL AIR) 0.92
PLASTER 0.5 0.1
TOTAL RESISTANCE 2.17
U Factor For UN-insulated Roof 0.46

U Factor For insulated Roof

OUTSIDE AIR FILM
1/2" PLASTER
HEAT 2" INSULATION
FLOW
1/2" PLASTER
DOWN

4" CONCRETE SLAB

1/2" PLASTER
INSIDE AIR FILM

CONSTRUCTION: RESISTANCE
OUTDOOR AIR SURFACE FILM (7.5 mph WIND) 0.25
PLASTER 0.5 0.1
INSULATION 2 in 5.26
CONCRETE 4 in 0.8
PLASTER 0.5 0.1
 INSIDE AIR SURFACE (STILL AIR) 0.92
TOTAL RESISTANCE 7.43
U Factor For insulated Roof 0.134589502

U Factor For Ordinary Glass

FOR INSIDE VENETIAN BLIND 45 DEG HORZ OR BLIND
LIGHT COLOUR MEDIUM COLOUR
0.56 0.65
 HEAT FLOW RESISTANCE
UP 0.61
UP 0.62
HORIZONTAL 0.68
DOWN 0.76
DOWN 0.92

6 INCH 8 INCH 9 INCH

1.2 1.6 1.8

TER

ETE SLAB

TER
 PER INCH 0.2

STER

RETE SLAB

STER

STER
LATION
STER

RETE SLAB

STER

ROOF INSULATION
THICKNESS(INCH) WT(LB/SQFT) RESISTANCE(1/C)
0.50 0.7 1.39
1 1.3 2.78
1.5 1.9 4.17
2 2.6 5.26
2.5 3.2 6.67
 3 3.9 8.33

DARK COLOUR
0.75
FOR CALCULATING CFM

APPLICATION CFM PER PERSON

DEPARTMENT AVERAGE 20
DEPARTMENT DELUXE 30
BANKING SPACE 10
BARBER SHOPS 15
BEAUTY PARLOURS 10

BROKERS BOARD ROOM 50

COCKTAIL BARS 30
CORRIDORS
DEPARTMENT STORES 7.5
DIRECTORS ROOMS 50

DRUG STORES 10
FACTORIES 10
FIRE AND TEN CENT STORES 7.5
FUNERAL PARLOURS 10
GARAGE

HOSPITAL OPERATING ROOMS

HOSPITAL PRIVATE ROOMS 30
HOSPITAL WARDS 20

HOTEL ROOMS 30
KITCHEN RESTAURANT
KITCHEN RESIDENCE
LABORATORIES 20

MEETING ROOMS
OFFICE GENERAL 15
OFFICE PVT (NO SMOKING) 25
OFFICE GENERAL (SMOKING) 30

RESTAURANT 15
SHOP RETAIL 10
THEATER (NO SMOIKING) 7.5
THEATER ( SMOIKING) 15

FOR KNOWING THE SENSIBLE/LATENT HEAT GAIN

DEGREE OF ACTIVITY TYPICAL APPLICATION

SEATED AT REST THEATER

SEATED,VERY LIGHT WORK HIGH SCHOOL

OFFICE WORKER OFFICES,HOTELS,APTS,COLLEGE

STANDING,WALKING SLOWLY DEPT,RETAIL,OR VARIETY STORE

WALKING,SEATED DRUG STORE

STANDING,WALKING SLOWLY BANK

SEDENTARY WORK RESTAURANT

LIGHT BENCH WORK FACTORY,LIGHT WORK

MODERATE DANCING DANCE HALL

WALKING,3MPH FACTORY,FAIRLY HEAVY WORK

HEAVY WORK BOWLING ALLEY FACTORY

FOR OCCUPANCY
SQ Ft
CLASSIFICATION PER
PERSON

APARTMENTS AND HOTEL GUEST

ROOMS 60

BANKS 35

DEPARTMENT STORES/MALLS 25

OFFICFE BUILDINGS 49

OFFICES SMALL SUITES 55

RESTAURANTS 22

THEATERS AND AUDITORIUMS 5

82F 80F 78F 75F

SENS LAT SENS LAT SENS LAT

175 195 155 210 140 230 120

SENS-180 LATENT-220 195 205 215 185 240 160

SENS-180 LATENT-270 200 250 215 235 245 205

SENS-180 LATENT-270 200 250 215 235 245 205

SENS-180 LATENT-320 200 300 220 280 255 245

SENS-180 LATENT-320 200 300 220 280 255 245

SENS-190 LATENT-360 220 330 240 310 280 270

SENS-190 LATENT-560 220 530 245 505 295 455

SENS-220 LATENT-630 245 605 275 575 325 525

SENS-270 LATENT-730 300 700 330 670 380 620

SENS-450 LATENT-1000 465 985 485 965 525 925

 70F
SENS LAT

260 90

275 125
285 165

285 165

290 210

290 210

320 230

365 385

400 450

460 540

605 845