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Job : Comparison Location : MumbaiSpace : Zone 2 BY ANUBHAVSAXENA
Unit in Ft. : W Length Area F/C Height Volume 16 HoursSize : 0 0 269.19 10.76 2896 4.00pm Date :
Clean Room Class : NIL Out Side DB deg.F WB deg.F Drange %RH DP GR/LBFiltration : 10 Micron Summer 96 83 32 60 0 92Pressure Gradient : NIL Monsoon 85 82 88 162Lighting Load : 0.9 Watts / Sq.ft. Room 71.58 61 55 0 64
5 Nos. T : 24.42 32 Gr/Lb : 28Equipment Load : 0.0 KW VENTILATION:
15 5 People 15 CFM/Per. 7512 269.19 Sq.ft. 10.76 HT. x 1 48
Coil By Pass Factor. : 0.1 Row Deep Coil. : 4 Select : 75 Fresh Air Changes/Hr.: 1 Effective Room Sensible Heat Factor ( ERSHF ) :Weight OF Wall: 60Heatload for(summmer/monsoon) summerRoom Air Changes/Hr.: 1 48 CFM 9284 Effective Room Sensible Heat
= 0.90 Glasses Area In Sun Gain / Temp. 'U'Factor Heat 10355 Effective Room Total HeatSq.ft. In Deg. F Btu / Hr. Apparatus Dew Point. :( A.D.P.) Indicated = 54
Glass W 0.00 163 0.30 0 Selected = 61Glass E 0.00 12 0.30 0 Dehumidified Rise =Glass N 26.90 23 0.70 433 (1-B.F.) x (RM.TEMP- A.D.P.)Glass S 26.90 12 0.70 226 0.90 x 10.58 = 9.522Glass NW 0.00 138 0.30 0 Glass SW 0.00 85 0.30 0 Dehumidified CFM = 9284 (E.R.S.H.)Glass NE 0.00 12 0.30 0 1.08 x 9.52 (Deh. Rise)Glass SE 0.00 12 0.30 0
Walls Eq.Temp. Dehum. CFM = 903Diff. : Supply Air CFM = 903
Wall W 176.44 37 0.28 1834Wall E 0.00 30 0.28 0 Coil By Pass CFM = 0 Wall N 182.00 22 0.28 1121 CFM / Sq.ft. = 3.4 Wall S 182.00 35 0.28 1784 Sq.ft. / TR = 234 Wall NW 0.00 24 0.16 0 ROOM LATENT GAIN :Wall SW 0.00 44 0.16 0 Infiltration 28 gr/lb 0.68 200 Wall NE 0.00 24 0.16 0 People 5 NO. X 175 Gain/Person 700Wall SE 0.00 30 0.16 0 Steam Lb/Hr. X 1080 0 Roof SUN 269.19 40 0.09 0 Vap.Trans. 0 0.01 28 gr/lb 0 Roof SHA 0.00 20 0.40 0 Permeation LoadAll Glass 53.80 29 0.47 744 ROOM LATENT HEAT SUBTOTAL: 900Partition 0.00 19 0.30 0 Supply Duct Leackage Loss & Safty Factor : 5% 45PartitionGl. 0.00 19.42 0.30 0 Out.Air 75 28 0.1 B.F. 0.68 126Ceiling 0.00 19.42 0.02 0 EFFECTIVE ROOM LATENT HEAT : 1071Floor 0.00 19.42 0.38 0 EFFECTIVE ROOM TOTAL HEAT : 10355People 5 No. X 270 1350Eqp Load 0.00 No. X 3410 Gain/KW 0 Sensible 75 24.42 T 0.90 1.08 1780 Lights 247.65 Watts X 1 X 3.40 842 Latent 75 28 gr/lb 0.90 0.68 1285 Appliance 0.00 Watts X 3.40 0 GRAND TOTAL HEAT SUBTOTAL : 13420Product Load Safety Factor : 0.03 403
ROOM SENSIBLE HEAT SUBTOTAL : 8334 Roof Sun 32 0 0Supply Duct Heat Gain : 2% 0 0 0
Safety Factor : 5% Roof SHA 8 0 0Fan Heat Gain : 5% 417 Ceiling 19.42 0 0
Out.Air 75 24.42 0.10 B.F. 1.08 198 GRAND TOTAL HEAT : 13823Infiltration 335
EFFECTIVE ROOM SENSIBLE HEAT : 9284 LOAD TR : 1.2 ROOM SENSIBLE HEAT FACTOR : 0.90
GRAND ROOM SENSIBLE HEAT FACTOR : 0.67
Occupancy :
CFM / Person :Correction Factor :
Gain/Person. Out Side Air Heat : T x (1 - B.F.) x Factor = BTU / Hr.
SUMMERSTATE LAT ALT DAILY RANGE DB WB RH%
AHMEDABAD 23.02 55 26 110 78 24MUMBAI 18.54 11 12 95 83 60THANE 18.54 10 15 100 82 47PUNE 18.32 559 31 104 76 28
VADODRA 22.18 34 26 110 78 24JABALPUR 21.16 393 29 108 75 22
MONSOONGR/LB DB WB RH% GR/LB
93.5 90 85 82 177153 85 82 88 162138 86 83 86 16890.5 83 79 82 14593.5 88 79 68 13678 93 84 70 163.8
DAILY RANGE
T 8 10 12 14 16 18 20-30 -39 -40 -41 -42 -43 -44 -45
-20 -29 -30 -31 -32 -33 -34 -35
-10 -19 -20 -21 -22 -23 -24 -25
0 -9 -10 -11 -12 -13 -14 -15
5 -4 -5 -6 -7 -8 -9 -10
10 1 0 -1 -2 -3 -4 -5
15 6 5 4 3 2 1 0
20 11 10 9 8 7 6 5
25 16 15 14 13 12 11 10
30 21 20 19 18 17 16 15
35 26 25 24 23 22 21 20
40 31 30 29 28 27 26 25
TYPICAL BYPASS FACTORS
DEPTH OF COILS WITH OUT SPRAYS(ROWS) VELOCITY( LPM)
300 400 500 600 7002 0.225 0.274 0.314 0.346 0.3733 0.107 0.143 0.176 0.204 0.228
4 0.052 0.076 0.099 0.12 0.145 0.025 0.04 0.056 0.071 0.086
6 0.012 0.022 0.032 0.042 0.0528 0.05 0.03
DAILY RANGE
22 24 26 28 30 32 34 36 38-46 -47 -48 -49 -50 -51 -52 -53 -54
-36 -37 -38 -39 -40 -41 -42 -43 -44
-26 -27 -28 -29 -30 -31 -32 -33 -34
-16 -17 -18 -19 -20 -21 -22 -23 -24
-11 -12 -13 -14 -15 -16 -17 -18 -19
-6 -7 -8 -9 -10 -11 -12 -13 -14
-1 -2 -3 -4 -5 -6 -7 -8 -9
4 3 2 1 0 -1 -2 -3 -4
9 8 7 6 5 4 3 2 1
14 13 12 11 10 9 8 7 6
19 18 17 16 15 14 13 12 11
24 23 22 21 20 19 18 17 16
40-55
-45
-35
-25
-20
-15
-10
-5
0
5
10
15
N.E=NORTH EAST E=EASTFOR WALL SURFACESFOR 4 PM SUN TIMEEXPOSURE WEIGHT OF WALL(lb/sq ft)
20 60 100N.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
CONDITION WEIGHT OF WALL(lb/sq ft)10 20 40
EXPOSED 43 41 38TO SUN
COVERED WITH 18 16WATER
SPRAYED 16 14
SHADED 14 12
FOR ROOF SUN ANS ROOF SHADED
SOLAR HEAT GAIN THRU ORDINARY GLASSFOR 20 DEGREE
SUN TIME IS TAKEN AS 4 PM
TIME OF YEAR EXPOSURE 4:00 PM
23 JULY & MAY 21N 23
N.E 12E 12
S.E 12S 12
S.W 85
W 163N.W 138
HORIZONTAL 118
S.E=SOUTH EAST S.W= SOUTH WEST
WEIGHT OF WALL(lb/sq ft)140
14
18
16
13
8
10
6
2
WEIGHT OF WALL(lb/sq ft)60 80
35 32
14
12
8
BACK TO HEAT LOAD
FOR ROOF SUN ANS ROOF SHADED
FOR EXPOSED WALL
CONSTRUCTION: RESISTANCE0.25
• BRICK FACING, 9 INCH 1.8 • 0.5” CEMENT MORTAR 0.1
0.2 • INSIDE AIR SURFACE (STILL AIR)(VER/HORZ) 0.68TOTAL RESISTANCE 3.03U FACTOR 0.33003300330033
MATERIAL
STILL AIR POSITIONHORIZONTALSLOPING 45VERTICAL
SLOPING 45HORIZONTAL
• BRICK FACING 4 INCH0.8
CONSTRUCTION: RESISTANCE0.61
BACK TO HEAT LOAD
• OUTDOOR AIR SURFACE FILM (7.5 mph WIND)
• SAND CEMENT PLASTER 1 in (0.5” ON BOTH SIDES)
U Factor For Floor / Ceiling
• INDOOR AIR SURFACE FILM (STILL AIR)
1/2" PLASTER
1/2" PLASTER
4" CONCRETE SLAB
FLOOR TILE
AIR FILM
FLOW UPHEAT
AIR FILM INSIDE
1/ 2" CEMENT
1/ 2" CEMENTPLASTER
OUT SIDEAI R FILM
PLASTER
CEMENTMORTAR
I NSI DEAIR FI LM
0.10.80.1
FLOOR TILE 1/8" 0.050.61
TOTAL RESISTANCE 2.27U Factor For Floor / Ceiling 0.440528634361233
CONSTRUCTION: RESISTANCE 0.250.10.8
0.920.1
TOTAL RESISTANCE 2.170.46
U Factor For insulated Roof
CONSTRUCTION: RESISTANCE0.250.1
5.260.80.1
• PLASTER 0.5” • CONCRETE 4’’ • PLASTER 0.5”
• INSIDE AIR SURFACE (STILL AIR (HOR/UP)
U Factor For UN-insulated Roof
• OUTDOOR AIR SURFACE(71/2MPH WIND)• PLASTER 0.5” • CONCRETE 4 in • INSIDE AIR SURFACE (STILL AIR)• PLASTER 0.5”
U Factor For UN-insulated Roof
• OUTDOOR AIR SURFACE FILM (7.5 mph WIND)• PLASTER 0.5” • INSULATION 2 in • CONCRETE 4 in • PLASTER 0.5”
4" CONCRETE SLAB
1/2" PLASTER
1/2" PLASTER
FLOWDOWN
OUT SIDE AIR FILM
IN SIDE AIR FILM
HEAT
1/2" PLASTER
4" CONCRETE SLAB
1/2" PLASTER
INSIDE AIR FILM
2" INSULATION
OUTSIDE AIR FILM
1/2" PLASTERDOWNFLOWHEAT
0.92TOTAL RESISTANCE 7.43
0.134589502018843
U Factor For Ordinary Glass FOR INSIDE VENETIAN BLIND 45 DEG HORZ OR BLIND
LIGHT COLOUR MEDIUM COLOUR0.56 0.65
• INSIDE AIR SURFACE (STILL AIR)
U Factor For insulated Roof
HEAT FLOW RESISTANCEUP 0.61UP 0.62
HORIZONTAL 0.68DOWN 0.76DOWN 0.92
6 INCH 8 INCH 9 INCH1.2 1.6 1.8
1/2" PLASTER
1/2" PLASTER
4" CONCRETE SLAB
FLOOR TILE
AIR FILM
FLOW UPHEAT
AIR FILM INSIDE
PER INCH 0.2
ROOF INSULATIONTHICKNESS(INCH) WT(LB/SQFT) RESISTANCE(1/C)
0.50 0.7 1.391 1.3 2.78
1.5 1.9 4.172 2.6 5.26
2.5 3.2 6.67
4" CONCRETE SLAB
1/2" PLASTER
1/2" PLASTER
FLOWDOWN
OUT SIDE AIR FILM
IN SIDE AIR FILM
HEAT
1/2" PLASTER
4" CONCRETE SLAB
1/2" PLASTER
INSIDE AIR FILM
2" INSULATION
OUTSIDE AIR FILM
1/2" PLASTERDOWNFLOWHEAT
3 3.9 8.33
DARK COLOUR0.75
FOR CALCULATING CFM
APPLICATION CFM PER PERSON
DEPARTMENT AVERAGE 20DEPARTMENT DELUXE 30BANKING SPACE 10BARBER SHOPS 15BEAUTY PARLOURS 10
BROKERS BOARD ROOM 50COCKTAIL BARS 30CORRIDORSDEPARTMENT STORES 7.5DIRECTORS ROOMS 50
DRUG STORES 10FACTORIES 10FIRE AND TEN CENT STORES 7.5FUNERAL PARLOURS 10GARAGE
HOSPITAL OPERATING ROOMSHOSPITAL PRIVATE ROOMS 30HOSPITAL WARDS 20
HOTEL ROOMS 30KITCHEN RESTAURANTKITCHEN RESIDENCELABORATORIES 20
MEETING ROOMSOFFICE GENERAL 15OFFICE PVT (NO SMOKING) 25OFFICE GENERAL (SMOKING) 30
RESTAURANT 15SHOP RETAIL 10THEATER (NO SMOIKING) 7.5THEATER ( 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
CLASSIFICATION
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
SQ Ft PER PERSON
APARTMENTS AND HOTEL GUEST ROOMS
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
70FSENS LAT
260 90
275 125
285 165
285 165
290 210
290 210
320 230
365 385
400 450
460 540
605 845