ventilation heat load sheet
DESCRIPTION
an easy spread sheet for air conditioning heat load calculationTRANSCRIPT
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 104.500 FFL (SWITCH GEAR FLOOR) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 25.42 32.47 17.3 MONSOON OUTDOOR 95 88 193ROOM AREA 825 Sqft INDOOR 73 50 61ROOM VOLUME 14280 cft DIFFERENTIAL 22 132OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR238 Cfm @ AC/Hr DIFFERENTIAL -18 -420 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
238 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 9.84 0 0 0 0 0 0 0 38.73H 3.94 0 0 0 0 0 0 0
QTY 1.0 0 0 0 0 0 0 0
AREA38.73
0 0 0 0 0 0 0
NET WALL AREAL 21.78 0 0 0 0 0 0 0 10.68
H 17.30 0 0 0 0 0 0 0 17.30
NET WALL A 338.0 0 0 0 0 0 0 0 185
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 38.7 1.00 14 11 0 542 426 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 338.05 0.40 22 7 -18 2975 947 -2434E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0
Roof Sun 0 0.12 53 38 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 38.73 1.13 35 22 -18 1532 963 -788Partition 1 (Wall) 185 0.40 30 17 -13 2216 1256 -960Floor 825 0.43 30 17 -13 10648 6034 -4614
Ceiling 825 0.12 30 17 -13 2972 1684 -1288
Internal HeatOccupants (No) 1 250 250 250 250Power (W) 7000 3.40 23800 23800 11900Lights (W) 1534 3.40 1.25 6522 6522 6522Sub Total 51457 41881 8588
Safety Factor 12.5% 6432 5235 1073
RSH 57889 47116 9661Outdoor Air 238 0.12 35 22 -18 1.08 1080 679 -555
ERSH 58968 47794 9106
Page 02 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
VFD ROOM GRID A1 TOWARDS C1 TO A2 TOWARDS C2
Partition 1 (Wall)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200Sub Total 200 200 200Safety factor 10.0% 20 20 20RLH 220 220 220Outdoor Air 238 0.12 78 132 -4 0.68 1521 2564 -74
ERLH 1741 2784 146ERTH 60709 50578 9252
Outdoor Air(S) 238 0.88 35 22 -18 1.08 7917 4976 -4072
Outdoor Air(Lt) 238 0.88 78 132 -4 0.68 11151 18799 -541
GTH 79777 74354 4639
Refrigeration Load BTU/Hr 79777 74354 4639Return Air Heat load 0 0 0Grand Total Load BTU/Hr 79777 74354 4639Grand Total Refrigeration Load TR 6.6 6.2 0.39Winter Load(KW) 1.4
3.3ESHF =(ERSH/ERTH) 0.97 0.94
ADP (Calculated) 53.05 52.30ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
3102 2514Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.2moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.3Final Values:
Selected Load (TR) 6.6Selected Airquantity (CFM) 3102CFM/TR 467Return Air Heat load
N NE E SE S SW W NW Partition
WALL AREAL 21.78 0 0 0 0 0 0 0 54.55
H 0.00 0 0 0 0 0 0 0 0.00
NET AREA 0.00 0 0 0 0 0 0 0 0Sum Mon Win
N 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0Partition 0 0.40 30.00 17.00 -13 0 0 0Ceiling 0 0.12 30.00 17.00 -13 0 0 0
Total Return Air Heat Load 0 0 0
Note:- Since the Heat load of winter is positive, so no winter heating shall be provided. Page 03 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 104.500 FFL (SWITCH GEAR FLOOR) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 34.28 24.70 17.3 MONSOON OUTDOOR 95 88 193
ROOM AREA 847 Sqft INDOOR 73 50 61ROOM VOLUME 14646 cft DIFFERENTIAL 22 132
OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR244 Cfm @ AC/Hr DIFFERENTIAL -18 -40 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
244 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0.00H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0
NET WALL AREAL 0 0 0 0 0 0 0 0 41.92
H 17.30 0 0 0 0 0 0 0 12.33
NET WALL A 0.0 0 0 0 0 0 0 0 517
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0
Roof Sun 0 0.12 53 38 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0Partition 1 (Wall) 517 0.40 30 17 -13 6204 3515 -2688Partition 2 (Wall) 37 0.40 30 17 -13 443 251 -192
Partition (Glass) 237 1.13 30 17 -13 8043 4558 -3485Floor 847 0.43 30 17 -13 10921 6188 -4732
Ceiling 847 0.12 30 17 -13 3048 1727 -1321
Internal HeatOccupants (No) 0 250 0 0 0Power (W) 7000 3.40 23800 23800 11900Lights (W) 1574 3.40 1.25 6688 6688 6688Sub Total 59147 46728 6170
Safety Factor 12.5% 7393 5841 771
RSH 66540 52569 6941Outdoor Air 244 0.12 35 22 -18 1.08 1107 696 -569
ERSH 67647 53265 6372
Page 04 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
VFD ROOM GRID A2 B2 TO TOWARDS A4 B4
Partition 1 (Wall)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0Sub Total 0 0 0
Safety factor 10.0% 0 0 0RLH 0 0 0Outdoor Air 244 0.12 78 132 -4 0.68 1560 2629 -76
ERLH 1560 2629 -76ERTH 69207 55894 6296
Outdoor Air(S) 244 0.88 35 22 -18 1.08 8119 5104 -4176
Outdoor Air(Lt) 244 0.88 78 132 -4 0.68 11437 19281 -555
GTH 88763 80278 1565
Refrigeration Load BTU/Hr 88763 80278 1565Return Air Heat load 0 0 0Grand Total Load BTU/Hr 88763 80278 1565Grand Total Refrigeration Load TR 7.4 7 0.13Winter Load(KW) 0.5
4.2ESHF =(ERSH/ERTH) 0.98 0.95ADP (Calculated) 53.05 52.63ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
3559 2802Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.2moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.3Final Values:
Selected Load (TR) 7.4Selected Airquantity (CFM) 3559CFM/TR 481Return Air Heat load
N NE E SE S SW W NW Partition
WALL AREAL 0.00 0 0 0 0 0 0 0 54.55
H 0.00 0 0 0 0 0 0 0 0.00
NET AREA 0.00 0 0 0 0 0 0 0 0Sum Mon Win
N 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0
S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0
Partition 0 0.40 30.00 15.00 -13 0 0 0Ceiling 0 0.12 30.00 15.00 -13 0 0 0
Total Return Air Heat Load 0 0 0
Note:- Since the Heat load of winter is positive, so no winter heating shall be provided. Page 05 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 104.500 FFL (SWITCH GEAR FLOOR)INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 25.58 10.10 17.3 MONSOON OUTDOOR 95 88 193ROOM AREA 258 Sqft INDOOR 73 50 61ROOM VOLUME 4471 cft DIFFERENTIAL 22 132OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR75 Cfm @ AC/Hr DIFFERENTIAL -18 -420 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
75 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0
NET WALL AREAL 0 0 0 0 0 0 0 0 17.42
H 0 0 0 0 0 0 0 0 12.38
NET WALL A 0 0 0 0 0 0 0 0 738
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0
Roof Sun 0 0.12 53 38 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0Partition 1 (Wall) 738 0.40 30 17 -13 8855 5018 -3837Partition 2 (Wall) 311 0.40 30 17 -13 3731 2115 -1617Partition (Glass) 86 1.13 30 17 -13 2905 1646 -1259Floor 258 0.43 30 17 -13 3334 1889 -1445
Ceiling 258 0.12 30 17 -13 930 527 -403
Internal HeatOccupants (No) 1 250 250 250 250Power (W) 2000 3.40 6800 6800 3400Lights (W) 480 3.40 1.25 2042 2042 2042Sub Total 28849 20288 -2869
Safety Factor 12.5% 3606 2536 -359
RSH 32455 22824 -3228Outdoor Air 75 0.12 35 22 -18 1.08 338 212 -174
ERSH 32793 23036 -3402
Page 06 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
OPERATOR CUM DC MMI ROOM GRID A1 C1 TO A2 C2
Partition 1 (Wall)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200Sub Total 200 200 200Safety factor 10.0% 20 20 20RLH 220 220 220Outdoor Air 75 0.12 78 132 -4 0.68 476 803 -23
ERLH 696 1023 197ERTH 33489 24059 -3205
Outdoor Air(S) 75 0.88 35 22 -18 1.08 2479 1558 -1275
Outdoor Air(Lt) 75 0.88 78 132 -4 0.68 3492 5886 -169
GTH 39460 31503 -4649
Refrigeration Load BTU/Hr 39460 31503 -4649Return Air Heat load 0 0 0Grand Total Load BTU/Hr 39460 31503 -4649Grand Total Refrigeration Load TR 3.3 2.6 -0.39Winter Load(KW) -1.4
2.9ESHF =(ERSH/ERTH) 0.98 0.96
ADP (Calculated) 53.67 52.83ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
1725 1212Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.05moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.08Final Values:
Selected Load (TR) 3.3Selected Airquantity (CFM) 1725CFM/TR 525Return Air Heat load
N NE E SE S SW W NW Partition
WALL AREAL 0 0 0 0 0 0 0 0 65.44
H 0 0 0 0 0 0 0 0 0.00
NET AREA 0 0 0 0 0 0 0 0 0.00Sum Mon Win
N 0 0.40 22 7 -13 0 0 0E 0 0.40 36 21 -13 0 0 0S 0 0.40 34 19 -13 0 0 0W 0 0.40 30 15 -13 0 0 0Partition 0 0.40 30.00 17.00 -13 0 0 0Ceiling 0 0.12 30.00 17.00 -13 0 0 0
Total Return Air Heat Load 0 0 0
Page 07 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 104.500 FFL (SWITCH GEAR FLOOR)INDOOR
73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 12.96 17.88 17.3 MONSOON OUTDOOR 95 88 193ROOM AREA 232 Sqft INDOOR 73 50 61ROOM VOLUME 4007 cft DIFFERENTIAL 22 132OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR67 Cfm @ AC/Hr DIFFERENTIAL -18 -4
0 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
67 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0
NET WALL AREAL 0 0 0 0 0 0 0 0 26.57
H 0 0 0 0 0 0 0 0 12.38
NET WALL A 0 0 0 0 0 0 0 0 738
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0
Roof Sun 0 0.12 53 38 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0Partition 1 (Wall) 738 0.40 30 17 -13 8855 5018 -3837Partition 2 (Wall) 31 0.40 30 17 -13 369 209 -160Partition (Glass) 155 1.13 30 17 -13 5253 2976 -2276Floor 232 0.43 30 17 -13 2988 1693 -1295
Ceiling 232 0.12 30 17 -13 834 472 -361
Internal HeatOccupants (No) 0 250 0 0 0Power (W) 2000 3.40 6800 6800 3400Lights (W) 431 3.40 1.25 1830 1830 1830Sub Total 26929 18999 -2700
Safety Factor 12.5% 3366 2375 -337
RSH 30295 21374 -3037Outdoor Air 67 0.12 35 22 -18 1.08 303 190 -156
ERSH 30598 21564 -3193
Page 08 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
OPERATOR ROOM GRID B2 C2 TO TOWARD B3 C3
Partition 1 (Wall)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0Sub Total 0 0 0Safety factor 10.0% 0 0 0RLH 0 0 0Outdoor Air 67 0.12 78 132 -4 0.68 427 719 -21
ERLH 427 719 -21ERTH 31024 22284 -3214
Outdoor Air(S) 67 0.88 35 22 -18 1.08 2221 1396 -1142
Outdoor Air(Lt) 67 0.88 78 132 -4 0.68 3129 5275 -152
GTH 36374 28955 -4508
Refrigeration Load BTU/Hr 36374 28955 -4508Return Air Heat load 0 0 0Grand Total Load BTU/Hr 36374 28955 -4508Grand Total Refrigeration Load TR 3.0 2.4 -0.38Winter Load(KW) -1.3
2.7ESHF =(ERSH/ERTH) 0.99 0.97
ADP (Calculated) 54 52.83ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
1610 1134Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.04moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.07Final Values:
Selected Load (TR) 3.0Selected Airquantity (CFM) 1610CFM/TR 531Return Air Heat load
N NE E SE S SW W NW Partition
WALL AREAL 0.00 0 0 0 0 0 0 0 65.44
H 0.00 0 0 0 0 0 0 0 0.00
NET AREA 0.00 0 0 0 0 0 0 0 0.00Sum Mon Win
N 0 0.40 22 7 -13 0 0 0E 0 0.40 36 21 -13 0 0 0S 0 0.40 34 19 -13 0 0 0W 0 0.40 30 15 -13 0 0 0Partition 0 0.40 30.00 17.00 -13 0 0 0Ceiling 0 0.12 30.00 17.00 -13 0 0 0
Total Return Air Heat Load 0 0 0
Page 09 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME ENGINEERING ROOM DIFFERENTIAL 35 78
ROOM SIZE 19.68 29.52 11.5 MONSOON OUTDOOR 95 88 193
ROOM AREA 581 Sqft INDOOR 73 50 61ROOM VOLUME 6669.3 cft DIFFERENTIAL 22 132
OCCUPANCY 2 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR111 Cfm @ AC/Hr DIFFERENTIAL -18 -4
40 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
111 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition (Glass)
NET WALL AREAL 0 0 0 0 0 0 0 0 19.68
H 0 0 0 0 0 0 0 0 11.5
NET WALL A 0 0 0 0 0 0 0 0 226
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0
E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0
S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0
S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0
Roof Sun 0 0.12 53 38 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0Partition (Wall) 0 0.40 30 17 -13 0 0 0
Partition (Glass) 226 1.13 30 17 -13 7659 4340 -3319Ceiling 0 0.41 30 17 -13 0 0 0
Floor 581 0.43 30 17 -13 7494 4247 -3248
Internal HeatOccupants (No) 2 250 500 500 500Power (W) 6000 3.40 20400 20400 10200
Lights (W) 1080 3.40 1.25 4590 4590 4590Sub Total 40643 34077 8724
Safety Factor 12.5% 5080 4260 1090
RSH 45724 38336 9814Outdoor Air 111 0.12 35 22 -18 1.08 504 317 -259
ERSH 46228 38653 9555
Page 10 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 2.00 200.00 400 400 400Sub Total 400 400 400
Safety factor 10.0% 40 40 40RLH 440 440 440
Outdoor Air 111 0.12 78 132 -4 0.68 710 1197 -34
ERLH 1150 1637 406ERTH 47378 40291 9960
Outdoor Air(S) 111 0.88 35 22 -18 1.08 3697 2324 -1902
Outdoor Air(Lt) 111 0.88 78 132 -4 0.68 5208 8780 -253
GTH 56284 51395 7806
Refrigeration Load BTU/Hr 56284 51395 7806Return Air Heat load 10860 6709 -4360Grand Total Load BTU/Hr 67144 58104 3446Grand Total Refrigeration Load TR 5.6 4.84 0.29Winter Load(KW) 1.0
2.2ESHF =(ERSH/ERTH) 0.98 0.96
ADP (Calculated) 53.67 52.83ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.602432 2034
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.1moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.12
Final Values:
Selected Load (TR) 5.6Selected Airquantity (CFM) 2432CFM/TR 435Return Air Heat load
N NE E SE S SW W NW Partition
WALL AREAL 0 0 0 0 0 0 0 0 98.40
H 0 0 0 0 0 0 0 0 6.07
NET AREA 0 0 0 0 0 0 0 0 597Sum Mon Win
N 0 0.40 22.00 7.00 -18 0 0 0
E 0 0.40 36.00 21.00 -18 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0
W 0 0.40 30.00 15.00 -18 0 0 0Partition 597 0.40 30.00 17.00 -13 7165 4060 -3105
Roof sun 581 0.12 53.00 38.00 -18 3695 2649 -1255
Total Return Air Heat Load 10860 6709 -4360
Note:- Since the Heat load of winter is positive, so no winter heating shall be provided. Page 11 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 8.20 11.84 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 97.1 Sqft INDOOR 73 50 61ROOM VOLUME 1115 cft DIFFERENTIAL 22 132OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR19 Cfm @ AC/Hr DIFFERENTIAL -18 -40 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
19 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition Wall
NET WALL AREAL 0 0 0 0 0 0 0 0 11.84
H 0 0 0 0 0 0 0 0 11.5
NET WALL A 0 0 0 0 0 0 0 0 136
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0Partition Wall 1 136 0.40 30 17 -13 1631 924 -707Partition Wall 2 ab 65 0.40 30 17 -13 775 439 -336
124 1.13 30 17 -13 4195 2377 -1818
Floor 97 0.43 30 17 -13 1253 710 -543
Internal HeatOccupants (No) 0 250 0 0 0Power (W) 400 3.40 1360 1360 680Lights (W) 180 3.40 1.25 767 767 767Sub Total 9981 6578 -1956
Safety Factor 12.5% 1248 822 -245
RSH 11229 7400 -2201Outdoor Air 19 0.12 35 22 -18 1.08 84 53 -43
ERSH 11313 7453 -2244
Page 12 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
OPERATOR CONSOLE ROOM GRID D1 E1 TOWARDS D2 E2
Partition (Door Glass)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0Sub Total 0 0 0Safety factor 10.0% 0 0 0RLH 0 0 0Outdoor Air 19 0.12 78 132 -4 0.68 119 200 -6
ERLH 119 200 -6ERTH 11432 7653 -2250
Outdoor Air(S) 19 0.88 35 22 -18 1.08 618 388 -318
Outdoor Air(Lt) 19 0.88 78 132 -4 0.68 870 1467 -42
GTH 12920 9509 -2610
Refrigeration Load BTU/Hr 12920 9509 -2610Return Air Heat load 2674 1608 -1101Grand Total Load BTU/Hr 15594 11117 -3711Grand Total Refrigeration Load TR 1.3 0.93 -0.31Winter Load(KW) -1.1
1.14ESHF =(ERSH/ERTH) 0.99 0.97
ADP (Calculated) 54.00 53.05ADP (Selected) 53.00 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
595 392Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.01moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.02Final Values:
Selected Load (TR) 1.3Selected Airquantity (CFM) 595CFM/TR 458Return Air Heat load
N NE E SE S SW W NW
WALL AREAL 0.00 0 0 0 0 0 0 0 11.84
H 0.00 0 0 0 0 0 6.1 0 6.1
NET AREA 0.00 0 0 0 0 0 0 0 72Sum Mon Win
N 0 0.40 22.00 7.00 -18 0 0 0E 0 0.40 36.00 21.00 -18 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0W 0 0.40 30.00 15.00 -18 0 0 0Partition Wall 1 72 0.40 30.00 17.00 -13 862 489 -374Partition (Wall) 2 100 0.40 30.00 17.00 -13 1194 677 -517Roof sun 97 0.12 53.00 38.00 -18 618 443 -210
Total Return Air Heat Load 2674 1608 -1101
Page 13 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Partition Wall (above Glass)
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 105.09 35.56 11.5 MONSOON OUTDOOR 95 88 193
ROOM AREA 3737 Sqft INDOOR 73 50 61ROOM VOLUME 42895 cft DIFFERENTIAL 22 132OCCUPANCY 5 20.00 cfm/per Winter OUTDOOR 55 53 57
AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR715 Cfm @ AC/Hr DIFFERENTIAL -18 -4100 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
715 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 23 0 452H 0 0 0 0 0 0 4.9 0
QTY 0 0 0 0 0 0 4 0
AREA 0 0 0 0 0 0 452 0 Partition (Glass)
NET WALL AREAL 0 0 0 0 0 0 105.1 0 122.34
H 0 0 0 0 0 0 11.5 0 4.9
NET WALL A 0 0 0 0 0 0 755 0 602
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 452 1.00 164 165 0 74104 74556 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0
S 0 0.40 34 19 -18 0 0 0
W 755 0.40 30 15 -18 9055 4528 -5433Trans. Gain-Except Wall & RoofAll Glass 452 1.13 35 22 -18 17871 11233 -9191Partition (Wall) 1 803 0.40 30 17 -13 9631 5458 -4173Partition (Wall) 2 40 0.40 25 12 -13 403 193 -209Partition (Glass) 602 1.13 30 17 -13 20406 11563 -8842
Partition (Glass 2) 77 1.13 30 17 -13 2613 1481 -1132
Floor 3737 0.43 30 17 -13 48201 27314 -20887
Internal HeatOccupants (No) 5 250 1250 1250 1250Power (W) 15000 3.40 51000 51000 25500Lights (W) 6946 3.40 1.25 29521 29521 29521Sub Total 264055 218097 6403
Safety Factor 12.5% 33007 27262 800
RSH 297062 245359 7203Outdoor Air 715 0.12 35 22 -18 1.08 3243 2038 -1668
ERSH 300305 247397 5535
Page 14 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
OPERATOR CONSOLE ROOM GRID D2 E2 TO D6 E6
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 5.00 200.00 1000 1000 1000
Sub Total 1000 1000 1000Safety factor 10.0% 100 100 100RLH 1100 1100 1100
Outdoor Air 715 0.12 78 132 -4 0.68 4568 7701 -222
ERLH 5668 8801 878ERTH 305973 256198 6414
Outdoor Air(S) 715 0.88 35 22 -18 1.08 23781 14948 -12230
Outdoor Air(Lt) 715 0.88 78 132 -4 0.68 33498 56471 -1626
GTH 363251 327617 -7442
Refrigeration Load BTU/Hr 363251 327617 -7442Return Air Heat load 41070 26335 -16846Grand Total Load BTU/Hr 404322 353952 -24288Grand Total Refrigeration Load TR 33.7 29.5 -2.0Winter Load(KW) -7.1
15.6ESHF =(ERSH/ERTH) 0.98 0.97
ADP (Calculated) 53.67 53.05
ADP (Selected) 53.00 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
15799 13015Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.48moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.78Final Values:
Selected Load (TR) 33.7Selected Airquantity (CFM) 15799CFM/TR 469Return Air Heat load
N NE E SE S SW W NW
WALL AREAL 0.00 0 0 0 0 0 105 0 132.58
H 0.00 0 0 0 0 0 6.1 0 6.1
NET AREA 0.00 0 0 0 0 0 638 0 804Sum Mon Win
N 0 0.40 22.00 7.00 -18 0 0 0E 0 0.40 36.00 21.00 -18 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0W 638 0.40 30.00 15.00 -18 7652 3826 -4591
Partition Wall 804 0.40 30.00 17.00 -13 9654 5470 -4183Roof sun 3737 0.12 53.00 38.00 -18 23764 17039 -8071
Total Return Air Heat Load 41070 26335 -16846
Page 15 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Partition Wall (above Glass)
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 6.56 32.3 11.5 MONSOON OUTDOOR 95 88 193
ROOM AREA 212 Sqft INDOOR 73 50 61ROOM VOLUME 2433 cft DIFFERENTIAL 22 132OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57
AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR41 Cfm @ AC/Hr DIFFERENTIAL -18 -420 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
41 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 11.5 0 56H 0 0 0 0 0 0 4.9 0
QTY 0 0 0 0 0 0 1 0
AREA 0 0 0 0 0 0 56 0 Partition (Glass)
NET WALL AREAL 0 0 0 0 0 0 6.56 0 6.56
H 0 0 0 0 0 0 11.5 0 7.2
NET WALL A 0 0 0 0 0 0 19 0 47
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 56 1.00 164 165 0 9263 9319 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0
S 0 0.40 34 19 -18 0 0 0
W 19 0.40 30 15 -18 226 113 -136Trans. Gain-Except Wall & RoofAll Glass 56 1.13 35 22 -18 2234 1404 -1149Partition (Wall) 28 0.40 30 17 -13 336 190 -145Partition (Glass) 47 1.13 30 17 -13 1605 909 -695
Floor 212 0.43 30 17 -13 2734 1549 -1185
Internal HeatOccupants (No) 1 250 250 250 250Power (W) 1000 3.40 3400 3400 1700
Lights (W) 394 3.40 1.25 1674 1674 1674Sub Total 21722 18810 315
Safety Factor 12.5% 2715 2351 39
RSH 24437 21161 354Outdoor Air 41 0.12 35 22 -18 1.08 184 116 -95
ERSH 24621 21277 259
Page 16 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
OPERATOR CONSOLE ROOM GRID D6 E6 TO TOWARDS D7 E7
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200
Sub Total 200 200 200Safety factor 10.0% 20 20 20RLH 220 220 220
Outdoor Air 41 0.12 78 132 -4 0.68 259 437 -13
ERLH 479 657 207ERTH 25100 21934 467
Outdoor Air(S) 41 0.88 35 22 -18 1.08 1349 848 -694
Outdoor Air(Lt) 41 0.88 78 132 -4 0.68 1900 3203 -92
GTH 28349 25985 -319
Refrigeration Load BTU/Hr 28349 25985 -319Return Air Heat load 2303 1476 -951Grand Total Load BTU/Hr 30652 27460 -1271Grand Total Refrigeration Load TR 2.6 2.29 -0.1Winter Load(KW) -0.4
1.0ESHF =(ERSH/ERTH) 0.98 0.97
ADP (Calculated) 53.67 53.05
ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
1295 1119Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.03moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.04Final Values:
Selected Load (TR) 2.6Selected Airquantity (CFM) 1295CFM/TR 507Return Air Heat load
N NE E SE S SW W NW
WALL AREAL 0.00 0 0 0 0 0 6.56 0 6.56
H 0.00 0 0 0 0 0 6.1 0 6.1
NET AREA 0.00 0 0 0 0 0 40 0 40Sum Mon Win
N 0 0.40 22.00 7.00 -18 0 0 0E 0 0.40 36.00 21.00 -18 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0W 40 0.40 30.00 15.00 -18 478 239 -287
Partition Wall 40 0.40 30.00 17.00 -13 478 271 -207Roof sun 212 0.12 53.00 38.00 -18 1348 966 -458
Total Return Air Heat Load 2303 1476 -951
Page 17 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Partition Wall (above Glass)
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 17.55 4.8 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 84 Sqft INDOOR 73 50 61ROOM VOLUME 961 cft DIFFERENTIAL 22 132OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57
AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR16 Cfm @ AC/Hr DIFFERENTIAL -18 -420 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
16 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 11.5 0 56H 0 0 0 0 0 0 4.9 0
QTY 0 0 0 0 0 0 1 0
AREA 0 0 0 0 0 0 56 0 Partition Wall
NET WALL AREAL 0 0 0 0 0 0 17.55 0 0
H 0 0 0 0 0 0 11.5 0 0
NET WALL A 0 0 0 0 0 0 145 0 0
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 56 1.00 164 165 0 9263 9319 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 145 0.40 30 15 -18 1740 870 -1044Trans. Gain-Except Wall & RoofAll Glass 56 1.13 35 22 -18 2234 1404 -1149Partition (Wall) 0 0.40 30 17 -13 0 0 0Partition (Glass) 0 1.13 30 17 -13 0 0 0
Floor 84 0.43 30 17 -13 1080 612 -468
Internal HeatOccupants (No) 1 250 250 250 250Power (W) 600 3.40 2040 2040 1020
Lights (W) 156 3.40 1.25 662 662 662Sub Total 17268 15157 -729
Safety Factor 12.5% 2159 1895 -91
RSH 19427 17052 -820Outdoor Air 16 0.12 35 22 -18 1.08 73 46 -37
ERSH 19500 17098 -858
Page 18 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
OPERATOR CONSOLE ROOM GRID D7 E7
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200
Sub Total 200 200 200Safety factor 10.0% 20 20 20RLH 220 220 220
Outdoor Air 16 0.12 78 132 -4 0.68 102 173 -5
ERLH 322 393 215ERTH 19822 17490 -643
Outdoor Air(S) 16 0.88 35 22 -18 1.08 533 335 -274
Outdoor Air(Lt) 16 0.88 78 132 -4 0.68 751 1266 -36
GTH 21106 19091 -953
Refrigeration Load BTU/Hr 21106 19091 -953Return Air Heat load 1810 1021 -948Grand Total Load BTU/Hr 22916 20112 -1901Grand Total Refrigeration Load TR 1.9 1.7 -0.2Winter Load(KW) -0.6
0.7ESHF =(ERSH/ERTH) 0.98 0.98
ADP (Calculated) 53.67 53.67
ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
1026 899Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.01moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.02Final Values:
Selected Load (TR) 1.9Selected Airquantity (CFM) 1026CFM/TR 537Return Air Heat load
N NE E SE S SW W NW
WALL AREAL 0 0 0 0 0 0 17.55 0 0
H 0 0 0 0 0 0 6.1 0 6.1
NET AREA 0 0 0 0 0 0 106 0 0Sum Mon Win
N 0 0.40 22.00 7.00 -18 0 0 0E 0 0.40 36.00 21.00 -18 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0W 106 0.40 30.00 15.00 -18 1278 639 -767
0 0.40 30.00 17.00 -13 0 0 0
Roof sun 84 0.12 53.00 38.00 -18 533 382 -181
Total Return Air Heat Load 1810 1021 -948
Page 19 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Partition Wall (above Glass)
Partition Wall (above Glass)
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 147.22 35.56 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 5235 Sqft INDOOR 73 50 61
ROOM VOLUME 60092 cft DIFFERENTIAL 22 132OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR1002 Cfm @ AC/Hr DIFFERENTIAL -18 -420 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
1002 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 23 0 565H 0 0 0 0 0 0 5 0
QTY 0 0 0 0 0 0 5 0
AREA 0 0 0 0 0 0 565 0 Partition (Glass)
NET WALL AREAL 0 0 0 0 0 0 147.22 0 22.91
H 0 0 0 0 0 0 11.5 0 4.9
NET WALL A 0 0 0 0 0 0 1125 0 113
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0
S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 565 1.00 164 165 0 92630 93195 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 1125 0.40 30 15 -18 13504 6752 -8102Trans. Gain-Except Wall & RoofAll Glass 565 1.13 35 22 -18 22338 14041 -11488Partition (Wall) 150 0.40 30 17 -13 1804 1022 -782
Partition (Glass) 113 1.13 30 17 -13 3821 2165 -1656Partition (Door Glas 87 1.13 30 17 -13 2955 1674 -1280
Floor 5235 0.43 30 17 -13 67526 38264 -29261
Internal HeatOccupants (No) 1 250 250 250 250Power (W) 27000 3.40 91800 91800 45900
Lights (W) 9731 3.40 1.25 41357 41357 41357Sub Total 337984 290521 34937
Safety Factor 12.5% 42248 36315 4367
RSH 380232 326836 39305Outdoor Air 1002 0.12 35 22 -18 1.08 4543 2856 -2336
ERSH 384775 329691 36968
Page 20 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
INSTRUMENT RACK ROOM GRID D7 E7 TO D13 E13
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200
Sub Total 200 200 200Safety factor 10.0% 20 20 20RLH 220 220 220
Outdoor Air 1002 0.12 78 132 -4 0.68 6399 10788 -311
ERLH 6619 11008 -91ERTH 391394 340699 36878
Outdoor Air(S) 1002 0.88 35 22 -18 1.08 33315 20941 -17134
Outdoor Air(Lt) 1002 0.88 78 132 -4 0.68 46927 79111 -2277
GTH 471636 440751 17467
Refrigeration Load BTU/Hr 471636 440751 17467Return Air Heat load 45680 30175 -18462Grand Total Load BTU/Hr 517316 470926 -995Grand Total Refrigeration Load TR 43.1 39.2 -0.1Winter Load(KW) -0.3
16.2ESHF =(ERSH/ERTH) 0.98 0.97
ADP (Calculated) 53.67 53.05
ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
20243 17345Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.7moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -1.1Final Values:
Selected Load (TR) 43.1Selected Airquantity (CFM) 20243CFM/TR 470Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 147 0 23
H 0 0 0 0 0 0 6.1 0 6.1
NET AREA 0 0 0 0 0 0 893 0 139Sum Mon Win
N 0 0.40 22.00 7.00 -18 0 0 0E 0 0.40 36.00 21.00 -18 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0W 893 0.40 30.00 15.00 -18 10720 5360 -6432
Partition (Wall) 139 0.40 30.00 17.00 -13 1668 945 -723Roof sun 5235 0.12 53.00 38.00 -18 33292 23869 -11307
Total Return Air Heat Load 45680 30175 -18462
Page 21 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 121.64 9.18 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 1117 Sqft INDOOR 73 50 61ROOM VOLUME 12825 cft DIFFERENTIAL 22 132OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR214 Cfm @ AC/Hr DIFFERENTIAL -18 -4
0 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
214 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition (Glass)
NET WALL AREAL 0 0 0 0 0 0 0 0 4.92
H 0 0 0 0 0 0 0 0 7.2
NET WALL A 0 0 0 0 0 0 0 0 36
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofPartition (Wall) 1141 0.40 30 17 -13 13695 7760 -5934Partition (Glass) 1 36 1.13 30 17 -13 1204 682 -522Partition(Glass) 2 10 1.13 30 17 -13 336 191 -146
Floor 1117 0.43 30 17 13 14411 8166 6245
Internal HeatOccupants (No) 0 250 0 0 0Power (W) 33000 3.40 112200 112200 56100Lights (W) 2077 3.40 1.25 8826 8826 8826Sub Total 150672 137826 64569
Safety Factor 12.5% 18834 17228 8071
RSH 169506 155054 72640Outdoor Air 214 0.12 35 22 -18 1.08 970 609 -499
ERSH 170476 155663 72142
Page 22 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
INSTRUMENT RACK ROOM GRID C8 ABOVE D8 TO C13 ABOVE D13
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0Sub Total 0 0 0Safety factor 10.0% 0 0 0RLH 0 0 0Outdoor Air 214 0.12 78 132 -4 0.68 1366 2302 -66
ERLH 1366 2302 -66ERTH 171841 157965 72075
Outdoor Air(S) 214 0.88 35 22 -18 1.08 7110 4469 -3657
Outdoor Air(Lt) 214 0.88 78 132 -4 0.68 10015 16883 -486
GTH 188966 179318 67933
Refrigeration Load BTU/Hr 188966 179318 67933Return Air Heat load 14795 9452 -5746Grand Total Load BTU/Hr 203762 188770 62187Grand Total Refrigeration Load TR 17 15.7 5.2Winter Load(KW) 18.1
4.4ESHF =(ERSH/ERTH) 0.99 0.99
ADP (Calculated) 54.22 54.22ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
8969 8189Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.1moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.2Final Values:
Selected Load (TR) 17Selected Airquantity (CFM) 8969CFM/TR 528Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 105.62
H 0 0 0 0 0 0 6.1 0 6.1
NET AREA 0 0 0 0 0 0 0 0 641Sum Mon Win
N 0 0.40 22.00 7.00 -18 0 0 0E 0 0.40 36.00 21.00 -18 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0W 0 0.40 30.00 15.00 -18 0 0 0Partition Wall 641 0.40 30.00 17.00 -13 7691 4358 -3333Roof sun 1117 0.12 53.00 38.00 -18 7105 5094 -2413
Total Return Air Heat Load 14795 9452 -5746
Note:- Since the Heat load of winter is positive, so no winter heating shall be provided. Page 23 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 63.71 12.46 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 794 Sqft INDOOR 73 50 61ROOM VOLUME 9116 cft DIFFERENTIAL 22 132OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR152 Cfm @ AC/Hr DIFFERENTIAL -18 -420 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
152 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0
NET WALL AREAL 0 0 0 0 0 0 0 0 4.92
H 0 0 0 0 0 0 0 0 7.2
NET WALL A 0 0 0 0 0 0 0 0 36
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofPartition Wall 1 49 0.40 30 17 -13 594 336 -257Partition Wall 2 21 0.40 30 17 -13 252 143 -109Partition (Glass) 1 36 1.13 30 17 -13 1204 682 -522Partition (Glass) 2 37 1.13 30 17 -13 1258 713 -545
Floor 794 0.43 30 17 -13 10244 5805 -4439
Internal HeatOccupants (No) 1 250 250 250 250Power (W) 5000 3.40 17000 17000 8500Lights (W) 1476 3.40 1.25 6274 6274 6274Sub Total 37075 31203 9152
Safety Factor 12.5% 4634 3900 1144
RSH 41710 35103 10296Outdoor Air 152 0.12 35 22 -18 1.08 689 433 -354
ERSH 42399 35537 9941
Page 24 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
ELECTRICAL RACK ROOM GRID C13 E13 TO TOWARDS C16 E16
Partition (Glass) 1
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200Sub Total 200 200 200Safety factor 10.0% 20 20 20RLH 220 220 220Outdoor Air 152 0.12 78 132 -4 0.68 971 1637 -47
ERLH 1191 1857 173ERTH 43590 37393 10114
Outdoor Air(S) 152 0.88 35 22 -18 1.08 5054 3177 -2599
Outdoor Air(Lt) 152 0.88 78 132 -4 0.68 7119 12001 -345
GTH 55762 52571 7169
Refrigeration Load BTU/Hr 55762 52571 7169Return Air Heat load 5958 4135 -2109Grand Total Load BTU/Hr 61720 56706 5061Grand Total Refrigeration Load TR 5.1 4.7 0.4Winter Load(KW) 1.5
2.0ESHF =(ERSH/ERTH) 0.97 0.95ADP (Calculated) 53.05 52.63ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
2231 1870Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.1moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.2Final Values:
Selected Load (TR) 5.1Selected Airquantity (CFM) 2231CFM/TR 434Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 12.46
H 0 0 0 0 6.1 0 6.1 0 6.1
NET AREA 0 0 0 0 0 0 0 0 76Sum Mon Win
N 0 0.40 22.00 7.00 -2 0 0 0E 0 0.40 36.00 21.00 -2 0 0 0S 0 0.40 34.00 19.00 -18 0 0 0W 0 0.40 30.00 15.00 -18 0 0 0
76 0.40 30.00 17.00 -13 908 514 -393
Roof sun 794 0.12 53.00 38.00 -18 5050 3621 -1715
Total Return Air Heat Load 5958 4135 -2109
Note:- Since the Heat load of winter is positive, so no winter heating shall be provided. Page 25 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Partition Wall (above Glass)
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 74.64 32.28 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 2409 Sqft INDOOR 73 50 61ROOM VOLUME 27654 cft DIFFERENTIAL 22 132OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR461 Cfm @ AC/Hr DIFFERENTIAL -18 -40 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
461 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 23 0 113H 0 0 0 0 0 0 4.9 0
QTY 0 0 0 0 0 0 1 0
AREA 0 0 0 0 0 0 113 0
NET WALL AREAL 0 0 0 0 32 0 75 0 10.93
H 0 0 0 0 11.5 11 11.5 0 4.9
NET WALL A 0 0 0 0 371 0 746 0 54
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 113 1.00 164 165 0 18526 18639 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0S 371 0.40 34 19 -18 5039 2816 -2668
W 746 0.40 30 15 -18 8947 4473 -5368Trans. Gain-Except Wall & RoofAll Glass 113 1.13 35 22 -18 4468 2808 -2298
Partition Wall 72 0.40 30 17 -13 860 488 -373Partition (Glass) 54 1.13 30 17 -13 1823 1033 -790
Floor 2409 0.43 30 17 -13 31075 17609 -13466
Internal HeatOccupants (No) 0 250 0 0 0Power (W) 14000 3.40 47600 47600 23800Lights (W) 4478 3.40 1.25 19032 19032 19032Sub Total 137370 114498 17870
Safety Factor 12.5% 17171 14312 2234
RSH 154541 128810 20104Outdoor Air 461 0.12 35 22 -18 1.08 2091 1314 -1075
ERSH 156631 130125 19029
Page 26 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
ELECTRICAL RACK ROOM GRID TOWARDS C15 E15 TO C16 E16
Partition (Glass)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0Sub Total 0 0 0Safety factor 10.0% 0 0 0RLH 0 0 0Outdoor Air 461 0.12 78 132 -4 0.68 2945 4964 -143
ERLH 2945 4964 -143ERTH 159576 135089 18886
Outdoor Air(S) 461 0.88 35 22 -18 1.08 15332 9637 -7885
Outdoor Air(Lt) 461 0.88 78 132 -4 0.68 21596 36406 -1048
GTH 196503 181132 9953
Refrigeration Load BTU/Hr 196503 181132 9953Return Air Heat load 24225 15647 -10225Grand Total Load BTU/Hr 220729 196779 -272Grand Total Refrigeration Load TR 18.4 16.40 -0.02Winter Load(KW) -0.08
7.80ESHF =(ERSH/ERTH) 0.98 0.96
ADP (Calculated) 53.67 52.83ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
8240 6846Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.31moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.50Final Values:
Selected Load (TR) 18.4Selected Airquantity (CFM) 8240CFM/TR 448Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 32 0 75 0 10.93
H 0 0 0 0 6.1 0 6.1 0 6.1
NET AREA 0 0 0 0 196 0 454 0 66Sum Mon Win
N 0 0.40 22.00 7.00 -2 0 0 0E 0 0.40 36.00 21.00 -2 0 0 0S 196 0.40 34.00 19.00 -18 2664 1488 -1410W 454 0.40 30.00 15.00 -18 5445 2723 -3267Partition Wall 66 0.40 30.00 17.00 -13 796 451 -345Roof sun 2409 0.12 53.00 38.00 -18 15321 10985 -5203
Total Return Air Heat Load 24225 15647 -10225
Page 27 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 88.3 38.9 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 3754 Sqft INDOOR 73 50 61ROOM VOLUME 43094 cft DIFFERENTIAL 22 132OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR718 Cfm @ AC/Hr DIFFERENTIAL -18 -420 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
718 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 6.6 0 0 0 0 0 226H 0 0 4.9 0 0 0 0 0
QTY 0 0 7 0 0 0 0 0
AREA 0 0 226 0 0 0 0 0
NET WALL AREAL 0 0 88.3 0 0 0 0 0 3.28
H 0 0 11.5 11 11.5 0 0 0 7.2
NET WALL A 0 0 788 0 0 0 0 0 24
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0E 226 1.00 12 11 0 2711 2485 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 788 0.40 36 21 -18 11344 6618 -5672S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 226 1.13 35 22 -18 8935 5617 -4595
Partition Wall 1 423 0.40 30 17 -13 5073 2875 -2198Partition Wall 2 21 0.40 30 17 -13 252 143 -109Partition (Glass)1 24 1.13 30 17 -13 802 455 -348Partition(Glass) 2 36 1.13 30 17 -13 1204 682 -522
Floor 3754 0.43 30 17 -13 48424 27440 -20984
Internal HeatOccupants (No) 1 250 250 250 250Power (W) 46000 3.40 156400 156400 78200Lights (W) 6978 3.40 1.25 29658 29658 29658Sub Total 265054 232622 73680
Safety Factor 12.5% 33132 29078 9210
RSH 298185 261699 82890Outdoor Air 718 0.12 35 22 -18 1.08 3258 2048 -1675
ERSH 301443 263747 81214
Page 28 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
UPS ROOM GRID A12 C12 TO TOWARDS A16 C16
Partition (Glass) 1
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200Sub Total 200 200 200Safety factor 10.0% 20 20 20RLH 220 220 220Outdoor Air 718 0.12 78 132 -4 0.68 4589 7736 -223
ERLH 4809 7956 -3ERTH 306252 271703 81212
Outdoor Air(S) 718 0.88 35 22 -18 1.08 23891 15017 -12287
Outdoor Air(Lt) 718 0.88 78 132 -4 0.68 33652 56732 -1633
GTH 363796 343452 67292
Refrigeration Load BTU/Hr 363796 343452 67292Return Air Heat load 34838 23459 -13376Grand Total Load BTU/Hr 398633 366912 53915Grand Total Refrigeration Load TR 33.2 30.6 4.5Winter Load(KW) 15.7
11.1ESHF =(ERSH/ERTH) 0.98 0.97
ADP (Calculated) 53.67 53.05ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
15859 13876Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.5moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.8Final Values:
Selected Load (TR) 33.2Selected Airquantity (CFM) 15859CFM/TR 477Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 88.3 0 0 0 0 0 43.81
H 0 0 6.1 0 6.1 0 0.0 0 6.1
NET AREA 0 0 539 0 0 0 0 0 267Sum Mon Win
N 0 0.40 22 7 -18 0 0 0E 539 0.40 36 21 -18 7757 4525 -3878S 0 0.40 34 19 -18 0 0 0W 0 0.40 30 15 -18 0 0 0Partition Wall 267 0.40 30.00 17.00 -13 3207 1817 -1390Roof sun 3754 0.12 53.00 38.00 -18 23874 17117 -8108
Total Return Air Heat Load 34838 23459 -13376
Note:- Since the Heat load of winter is positive, so no winter heating shall be provided. Page 29 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 10.70 33.70 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 361 Sqft INDOOR 73 50 61ROOM VOLUME 4139 cft DIFFERENTIAL 22 132OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57
AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR69 Cfm @ AC/Hr DIFFERENTIAL -18 -40 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
69 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 6.6 0 0 0 0 0 32
H 0 0 4.9 0 0 0 0 0
QTY 0 0 1 0 0 0 0 0
AREA 0 0 32 0 0 0 0 0
NET WALL AREAL 0 0 10.70 0 34 0 0 0 10.70
H 0 0 11.5 11 11.5 0 0 0 4.9
NET WALL A 0 0 91 0 390 0 0 0 53
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0
E 32 1.00 12 11 0 387 355 0SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 91 0.40 36 21 -18 1304 761 -652S 390 0.40 34 19 -18 5298 2960 -2805
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 32 1.13 35 22 -18 1276 802 -656
Partition Wall 70 0.40 30 17 -13 842 477 -365Partition (Glass) 53 1.13 30 17 -13 1785 1011 -773
Floor 361 0.43 30 17 -13 4651 2635 -2015
Internal HeatOccupants (No) 0 250 0 0 0
Power (W) 4000 3.40 13600 13600 6800Lights (W) 670 3.40 1.25 2848 2848 2848Sub Total 31991 25451 2382
Safety Factor 12.5% 3999 3181 298
RSH 35990 28632 2679Outdoor Air 69 0.12 35 22 -18 1.08 313 197 -161
ERSH 36303 28829 2518
Page 30 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
UPS ROOM GRID TOWARDS A15 C15 TO A16 C16
Partition (Glass)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0
Sub Total 0 0 0Safety factor 10.0% 0 0 0RLH 0 0 0
Outdoor Air 69 0.12 78 132 -4 0.68 441 743 -21
ERLH 441 743 -21ERTH 36744 29572 2497
Outdoor Air(S) 69 0.88 35 22 -18 1.08 2295 1442 -1180
Outdoor Air(Lt) 69 0.88 78 132 -4 0.68 3232 5449 -157
GTH 42270 36463 1160
Refrigeration Load BTU/Hr 42270 36463 1160Return Air Heat load 6831 4209 -3078Grand Total Load BTU/Hr 49101 40672 -1918Grand Total Refrigeration Load TR 4.1 3.39 -0.2Winter Load(KW) -0.6
2.2ESHF =(ERSH/ERTH) 0.99 0.97
ADP (Calculated) 54.22 53.05
ADP (Selected) 53 53Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60
1910 1517Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.05moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.1Final Values:
Selected Load (TR) 4.1Selected Airquantity (CFM) 1910CFM/TR 467Return Air Heat load
N NE E SE S SW W NW
WALL AREAL 0 0 11 0 34 0 0 0 10.70
H 0 0 6.1 0 6.1 0 0.0 0 6.1
NET AREA 0 0 65 0 207 0 0 0 65Sum Mon Win
N 0 0.40 22 7 -18 0 0 0E 65 0.40 36 21 -18 940 548 -470S 207 0.40 34 19 -18 2815 1573 -1490W 0 0.40 30 15 -18 0 0 0
65 0.40 30.00 17.00 -13783 444 -339
Roof sun 361 0.12 53.00 38.00 -18 2293 1644 -779
Total Return Air Heat Load 6831 4209 -3078
Page 31 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Partition Wall (above Glass)
Partition Wall (above Glass)
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME LAB ROOM DIFFERENTIAL 35 78
ROOM SIZE 10.50 8.99 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 94.3 Sqft INDOOR 73 50 61
ROOM VOLUME 1083 cft DIFFERENTIAL 22 132
OCCUPANCY 2 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR18 Cfm @ AC/Hr DIFFERENTIAL -18 -440 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
40 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 4.9 0 0 0 0 0 24H 0 0 4.9 0 0 0 0 0
QTY 0 0 1 0 0 0 0 0
AREA 0 0 24 0 0 0 0 0 Partition
NET WALL AREAL 0 0 9.84 0 0 0 0 0 0
H 0 0 11.5 0 0 0 0 0 0
NET WALL A 0 0 89 0 0 0 0 0 0
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 24 1.00 12 11 0 290 266 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 89 0.40 36 21 -18 1278 746 -639S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 24 1.13 35 22 -18 957 602 -492
Partition Wall 0 0.40 30 17 -13 0 0 0Ceiling 0 0.41 30 17 -13 0 0 0
Floor 94.3 0.43 30 17 -13 1217 690 -527
Internal HeatOccupants (No) 2 250 500 500 500
Power (W) 400 3.40 1360 1360 680Lights (W) 175 3.40 1.25 745 745 745
Sub Total 6348 4908 267
Safety Factor 12.5% 794 614 33
RSH 7142 5522 300Outdoor Air 40 0.12 35 22 -18 1.08 181 114 -93
ERSH 7323 5636 207
Page 32 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 2.00 200.00 400 400 400Sub Total 400 400 400
Safety factor 10.0% 40 40 40RLH 440 440 440
Outdoor Air 40 0.12 78 132 -4 0.68 256 431 -12
ERLH 696 871 428ERTH 8019 6507 634
Outdoor Air(S) 40 0.88 35 22 -18 1.08 1331 836 -684
Outdoor Air(Lt) 40 0.88 78 132 -4 0.68 1874 3160 -91
GTH 11223 10503 -141
Refrigeration Load BTU/Hr 11223 10503 -141Return Air Heat load 3529 2104 -1531Grand Total Load BTU/Hr 14752 12607 -1672Grand Total Refrigeration Load TR 1.2 1.05 -0.1Winter Load(KW) -0.5
0.5ESHF =(ERSH/ERTH) 0.91 0.87
ADP (Calculated) 51.70 50.71ADP (Selected) 53.00 53.00
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60385 297
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.03moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.04
Final Values:
Selected Load (TR) 1.2Selected Airquantity (CFM) 385CFM/TR 313Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 9.84 0 0 0 0 0 28.21
H 0 0 6.1 0 0 0 0.0 0 6.1
NET AREA 0 0 60 0 0 0 0 0 172Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 60 0.40 36 21 -18 864 504 -432S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 172 0.40 30.00 17.00 -13 2065 1170 -895
Roof sun 94 0.12 53.00 38.00 -18 600 430 -204
Total Return Air Heat Load 3529 2104 -1531
Page 33 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME CONFERENCE ROOM DIFFERENTIAL 35 78
ROOM SIZE 20.71 23.65 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 490 Sqft INDOOR 73 50 61
ROOM VOLUME 5623 cft DIFFERENTIAL 22 132
OCCUPANCY 10 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR94 Cfm @ AC/Hr DIFFERENTIAL -18 -4
200 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
200 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 8.2 0 0 0 0 0 40H 0 0 4.9 0 0 0 0 0
QTY 0 0 1 0 0 0 0 0
AREA 0 0 40 0 0 0 0 0 Partition
NET WALL AREAL 0 0 20.66 0 0 0 0 0 0
H 0 0 11.5 0 0 0 0 0 0
NET WALL A 0 0 197 0 0 0 0 0 0
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 40 1.00 12 11 0 484 444 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 197 0.40 36 21 -18 2835 1654 -1418S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 40 1.13 35 22 -18 1596 1003 -821
Partition Wall 0 0.40 30 17 -13 0 0 0Ceiling 0 0.41 30 17 -13 0 0 0
Floor 489.8 0.43 30 17 -13 6318 3580 -2738
Internal HeatOccupants (No) 10 250 2500 2500 2500
Power (W) 1800 3.40 6120 6120 3060Lights (W) 910 3.40 1.25 3870 3870 3870
Sub Total 23722 19170 4454
Safety Factor 12.5% 2965 2396 557
RSH 26688 21567 5010Outdoor Air 200 0.12 35 22 -18 1.08 907 570 -467
ERSH 27595 22137 4544
Page 34 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 10.00 200.00 2000 2000 2000Sub Total 2000 2000 2000
Safety factor 10.0% 200 200 200RLH 2200 2200 2200
Outdoor Air 200 0.12 78 132 -4 0.68 1278 2154 -62
ERLH 3478 4354 2138ERTH 31073 26491 6682
Outdoor Air(S) 200 0.88 35 22 -18 1.08 6653 4182 -3421
Outdoor Air(Lt) 200 0.88 78 132 -4 0.68 9371 15798 -455
GTH 47097 46471 2806
Refrigeration Load BTU/Hr 47097 46471 2806Return Air Heat load 9636 5959 -4005Grand Total Load BTU/Hr 56733 52430 -1199Grand Total Refrigeration Load TR 4.7 4.4 -0.1Winter Load(KW) -0.3
1.6ESHF =(ERSH/ERTH) 0.89 0.84
ADP (Calculated) 51.25 50.20ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.601452 1165
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.1moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.2
Final Values:
Selected Load (TR) 4.7Selected Airquantity (CFM) 1452CFM/TR 307Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 20.66 0 0 0 0 0 64.29
H 0 0 6.1 0 0 0 0.0 0 6.1
NET AREA 0 0 126 0 0 0 0 0 392Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 126 0.40 36 21 -18 1815 1059 -908S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 392 0.40 30.00 17.00 -13 4706 2667 -2039
Roof sun 490 0.12 53.00 38.00 -18 3115 2233 -1058
Total Return Air Heat Load 9636 5959 -4005
Page 35 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DIFFERENTIAL 35 78
ROOM SIZE 12.28 3.26 11.5 MONSOON OUTDOOR 95 88 193
ROOM AREA 40 Sqft INDOOR 73 50 61ROOM VOLUME 460 cft DIFFERENTIAL 22 132
OCCUPANCY 1 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR8 Cfm @ AC/Hr DIFFERENTIAL -18 -4
20 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
20 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0 16
H 0 0 0 0 0 0 0 0 11.5
NET WALL A 0 0 0 0 0 0 0 0 178
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0
E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0
S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0
Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 178 0.40 30 17 -13 2142 1214 -928
Floor 40.1 0.43 30 17 -13 517 293 -224
Internal HeatOccupants (No) 1 250 250 250 250
Power (W) 200 3.40 680 680 340Lights (W) 75 3.40 1.25 317 317 317
Sub Total 3905 2753 -245
Safety Factor 12.5% 488 344 -31
RSH 4394 3097 -276Outdoor Air 20 0.12 35 22 -18 1.08 91 57 -47
ERSH 4484 3154 -323
Page 36 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
DINING ROOM GRID A2 TO TOWARDS A3
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 1.00 200.00 200 200 200Sub Total 200 200 200
Safety factor 10.0% 20 20 20RLH 220 220 220
Outdoor Air 20 0.12 78 132 -4 0.68 128 215 -6
ERLH 348 435 214ERTH 4832 3590 -109
Outdoor Air(S) 20 0.88 35 22 -18 1.08 665 418 -342
Outdoor Air(Lt) 20 0.88 78 132 -4 0.68 937 1580 -45
GTH 6434 5588 -497
Refrigeration Load BTU/Hr 6434 5588 -497Return Air Heat load 1393 828 -580Grand Total Load BTU/Hr 7827 6416 -1076Grand Total Refrigeration Load TR 0.7 0.5 -0.1Winter Load(KW) -0.3
0.4ESHF =(ERSH/ERTH) 0.93 0.88
ADP (Calculated) 52.10 50.45ADP (Selected) 53 53.00
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60236 166
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.01moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.02
Final Values:
Selected Load (TR) 0.7Selected Airquantity (CFM) 236CFM/TR 337Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0.00 0 0 0 0 0 16
H 0 0 6.1 0 0 0 0.0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 95Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 95 0.40 30 17 -13 1138 645 -493
Roof sun 40 0.12 53 38 -18 255 183 -87
Total Return Air Heat Load 1393 828 -580
Page 37 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME DINING ROOM GRID TOWARDS A3 DIFFERENTIAL 35 78
ROOM SIZE 21.27 13.48 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 287 Sqft INDOOR 73 50 61
ROOM VOLUME 3292 cft DIFFERENTIAL 22 132OCCUPANCY 8 20.00 cfm/per Winter OUTDOOR 55 53 57
AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR55 Cfm @ AC/Hr DIFFERENTIAL -18 -4
160 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
160 Cfm Selected 1-BF 0.88 Lat 200
N NE E E1 S SW W NW All Glass
GLASS AREA
L 0 0 6.6 4.9 0 0 0 0 84
H 0 0 4.9 4 0 0 0 0
QTY 0 0 2 1 0 0 0 0
AREA 0 0 64.6 19 0 0 0 0 Partition
NET WALL AREAL 0 0 21.65 0 0 0 0 0 10
H 0 0 11.5 0 0 0 0 0 11.5
NET WALL A 0 0 165 0 0 0 0 0 117
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 64.6 1.00 12 11 0 775 710 0
E1 19 1.00 12 11 0 232 232 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 165 0.40 36 21 -18 2370 1383 -1185S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 84 1.13 35 22 -18 3319 2086 -1707
Partition Wall 117 0.40 30 17 -13 1407 797 -610
Floor 287 0.43 30 17 -13 3699 2096 -1603
Internal HeatOccupants (No) 8 250 2000 2000 2000Power (W) 1100 3.40 3740 3740 1870
Lights (W) 533 3.40 1.25 2265 2265 2265Sub Total 19807 15310 1031
Safety Factor 12.5% 2476 1914 129
RSH 22283 17223 1160Outdoor Air 160 0.12 35 22 -18 1.08 726 456 -373
ERSH 23008 17679 787
Page 38 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 8.00 200.00 1600 1600 1600Sub Total 1600 1600 1600
Safety factor 10.0% 160 160 160RLH 1760 1760 1760
Outdoor Air 160 0.12 78 132 -4 0.68 1022 1723 -50
ERLH 2782 3483 1710ERTH 25791 21163 2497
Outdoor Air(S) 160 0.88 35 22 -18 1.08 5322 3345 -2737
Outdoor Air(Lt) 160 0.88 78 132 -4 0.68 7497 12638 -364
GTH 38610 37146 -604
Refrigeration Load BTU/Hr 38610 37146 -604Return Air Heat load 4473 2840 -1894Grand Total Load BTU/Hr 43082 39987 -2498Grand Total Refrigeration Load TR 3.6 3.3 -0.2Winter Load(KW) -0.7
1.6ESHF =(ERSH/ERTH) 0.89 0.84
ADP (Calculated) 51.25 50.20ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.601210 930
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.1moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.2
Final Values:
Selected Load (TR) 3.6Selected Airquantity (CFM) 1210CFM/TR 337Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 21.65 0 0 0 0 0 10.21
H 0 0 6.1 0 0 0 0.0 0 6.1
NET AREA 0 0 132 0 0 0 0 0 62Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 132 0.40 36 21 -18 1902 1109 -951S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 62 0.40 30 17 -13 747 424 -324
Roof sun 287 0.12 53 38 -18 1824 1307 -619
Total Return Air Heat Load 4473 2840 -1894
Page 39 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME OPERATOR CHANGE ROOM DIFFERENTIAL 35 78
ROOM SIZE 16.40 13.45 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 220.6 Sqft INDOOR 73 50 61
ROOM VOLUME 2532 cft DIFFERENTIAL 22 132
OCCUPANCY 2 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR42 Cfm @ AC/Hr DIFFERENTIAL -18 -440 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
42 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0 13
H 0 0 0 0 0 0 0 0 11.5
NET WALL A 0 0 0 0 0 0 0 0 151
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 151 0.40 30 17 -13 1807 1024 -783Ceiling 0 0.41 30 17 -13 0 0 0
Floor 220.6 0.43 30 17 -13 2846 1613 -1233
Internal HeatOccupants (No) 2 250 500 500 500
Power (W) 1000 3.40 3400 3400 1700Lights (W) 410 3.40 1.25 1743 1743 1743
Sub Total 10296 8280 1927
Safety Factor 12.5% 1287 1035 241
RSH 11583 9315 2167Outdoor Air 42 0.12 35 22 -18 1.08 191 120 -98
ERSH 11775 9435 2069
Page 40 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 2.00 200.00 400 400 400Sub Total 400 400 400
Safety factor 10.0% 40 40 40RLH 440 440 440
Outdoor Air 42 0.12 78 132 -4 0.68 270 455 -13
ERLH 710 895 427ERTH 12484 10330 2496
Outdoor Air(S) 42 0.88 35 22 -18 1.08 1404 883 -722
Outdoor Air(Lt) 42 0.88 78 132 -4 0.68 1978 3334 -96
GTH 15866 14546 1678
Refrigeration Load BTU/Hr 15866 14546 1678Return Air Heat load 5725 3455 -2349Grand Total Load BTU/Hr 21591 18001 -671Grand Total Refrigeration Load TR 1.8 1.5 -0.06Winter Load(KW) -0.2
0.7ESHF =(ERSH/ERTH) 0.94 0.91
ADP (Calculated) 52.3 51.70ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60619 496
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.03moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.05
Final Values:
Selected Load (TR) 1.8Selected Airquantity (CFM) 620CFM/TR 344Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 59.04
H 0 0 0 0 0 0 0.0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 360Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 360 0.40 30.00 17.00 -13 4322 2449 -1873
Roof sun 221 0.12 53.00 38.00 -18 1403 1006 -476
Total Return Air Heat Load 5725 3455 -2349
Page 41 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME ROOM 1 DIFFERENTIAL 35 78
ROOM SIZE 16.40 13.12 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 215.2 Sqft INDOOR 73 50 61
ROOM VOLUME 2470 cft DIFFERENTIAL 22 132
OCCUPANCY 5 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR41 Cfm @ AC/Hr DIFFERENTIAL -18 -4
100 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
100 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0
H 0 0 0 0 0 0 0 0
NET WALL A 0 0 0 0 0 0 0 0 203.7
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 203.7 0.40 30 17 -13 2444 1385 -1059
Partition (Glass) 135.8 1.13 30 17 -13 4604 2609 -1995Ceiling 0 0.41 30 17 -13 0 0 0
Floor 215.2 0.43 30 17 -13 2776 1573 -1203
Internal HeatOccupants (No) 5 250 1250 1250 1250Power (W) 800 3.40 2720 2720 1360
Lights (W) 400 3.40 1.25 1700 1700 1700
Sub Total 15494 11237 53
Safety Factor 12.5% 1937 1405 7
RSH 17430 12641 60Outdoor Air 100 0.12 35 22 -18 1.08 454 285 -233
ERSH 17884 12926 -174
Page 42 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 5.00 200.00 1000 1000 1000Sub Total 1000 1000 1000
Safety factor 10.0% 100 100 100RLH 1100 1100 1100
Outdoor Air 100 0.12 78 132 -4 0.68 639 1077 -31
ERLH 1739 2177 1069ERTH 19623 15104 895
Outdoor Air(S) 100 0.88 35 22 -18 1.08 3326 2091 -1711
Outdoor Air(Lt) 100 0.88 78 132 -4 0.68 4685 7899 -227
GTH 27635 25093 -1043
Refrigeration Load BTU/Hr 27635 25093 -1043Return Air Heat load 5690 3430 -2338Grand Total Load BTU/Hr 33325 28523 -3380Grand Total Refrigeration Load TR 2.8 2.4 -0.3Winter Load(KW) -1.0
1.5ESHF =(ERSH/ERTH) 0.91 0.86
ADP (Calculated) 51.70 50.40ADP (Selected) 53 53.00
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60941 680
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.07moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.1
Final Values:
Selected Load (TR) 2.8Selected Airquantity (CFM) 941CFM/TR 336Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 59.04
H 0 0 0 0 0 0 0.0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 360Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 360 0.40 30 17 -13 4322 2449 -1873
Roof sun 215 0.12 53 38 -18 1368 981 -465
Total Return Air Heat Load 5690 3430 -2338
Page 43 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME ROOM 2 DIFFERENTIAL 35 78
ROOM SIZE 16.40 13.45 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 220.6 Sqft INDOOR 73 50 61
ROOM VOLUME 2532 cft DIFFERENTIAL 22 132
OCCUPANCY 5 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR42 Cfm @ AC/Hr DIFFERENTIAL -18 -4
100 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
100 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0
H 0 0 0 0 0 0 0 0
NET WALL A 0 0 0 0 0 0 0 0 0.0
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 0 0.40 30 17 -13 0 0 0
Partition (Glass) 0 1.13 30 17 -13 0 0 0Ceiling 0 0.41 30 17 -13 0 0 0
Floor 220.6 0.43 30 17 -13 2846 1613 -1233
Internal HeatOccupants (No) 5 250 1250 1250 1250Power (W) 800 3.40 2720 2720 1360
Lights (W) 410 3.40 1.25 1743 1743 1743
Sub Total 8559 7325 3120
Safety Factor 12.5% 1070 916 390
RSH 9628 8241 3510Outdoor Air 100 0.12 35 22 -18 1.08 454 285 -233
ERSH 10082 8526 3276
Page 44 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 5.00 200.00 1000 1000 1000Sub Total 1000 1000 1000
Safety factor 10.0% 100 100 100RLH 1100 1100 1100
Outdoor Air 100 0.12 78 132 -4 0.68 639 1077 -31
ERLH 1739 2177 1069ERTH 11821 10703 4345
Outdoor Air(S) 100 0.88 35 22 -18 1.08 3326 2091 -1711
Outdoor Air(Lt) 100 0.88 78 132 -4 0.68 4685 7899 -227
GTH 19833 20693 2407
Refrigeration Load BTU/Hr 19833 20693 2407Return Air Heat load 5725 3455 -2349Grand Total Load BTU/Hr 25558 24148 58Grand Total Refrigeration Load TR 2.1 2.01 0.005Winter Load(KW) 0.02
0.46ESHF =(ERSH/ERTH) 0.85 0.80
ADP (Calculated) 49.9 49ADP (Selected) 53 53.00
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60530 449
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.07moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.11
Final Values:
Selected Load (TR) 2.1Selected Airquantity (CFM) 530CFM/TR 253Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 59.04
H 0 0 0 0 0 0 0.0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 360Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 360 0.40 30 17 -13 4322 2449 -1873
Roof sun 221 0.12 53 38 -18 1403 1006 -476
Total Return Air Heat Load 5725 3455 -2349
Note:- Since the Heat load of winter is positive, so no winter heating shall be provided. Page 45 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME ROOM 3 DIFFERENTIAL 35 78
ROOM SIZE 16.40 13.45 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 220.6 Sqft INDOOR 73 50 61
ROOM VOLUME 2532 cft DIFFERENTIAL 22 132
OCCUPANCY 5 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR42 Cfm @ AC/Hr DIFFERENTIAL -18 -4
100 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
100 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0
H 0 0 0 0 0 0 0 0
NET WALL A 0 0 0 0 0 0 0 0 33.9
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 33.9 0.40 30 17 -13 407 231 -176
Partition (Glass) 161.9 1.13 30 17 -13 5490 3111 -2379Ceiling 0 0.41 30 17 -13 0 0 0
Floor 220.6 0.43 30 17 -13 2846 1613 -1233
Internal HeatOccupants (No) 5 250 1250 1250 1250Power (W) 800 3.40 2720 2720 1360
Lights (W) 410 3.40 1.25 1743 1743 1743
Sub Total 14455 10667 565
Safety Factor 12.5% 1807 1333 71
RSH 16262 12000 635Outdoor Air 100 0.12 35 22 -18 1.08 454 285 -233
ERSH 16716 12285 402
Page 46 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 5.00 200.00 1000 1000 1000Sub Total 1000 1000 1000
Safety factor 10.0% 100 100 100RLH 1100 1100 1100
Outdoor Air 100 0.12 78 132 -4 0.68 639 1077 -31
ERLH 1739 2177 1069ERTH 18455 14462 1471
Outdoor Air(S) 100 0.88 35 22 -18 1.08 3326 2091 -1711
Outdoor Air(Lt) 100 0.88 78 132 -4 0.68 4685 7899 -227
GTH 26467 24452 -467
Refrigeration Load BTU/Hr 26467 24452 -467Return Air Heat load 5725 3455 -2349Grand Total Load BTU/Hr 32191 27907 -2817Grand Total Refrigeration Load TR 2.7 2.3 -0.2Winter Load(KW) -0.8
1.3ESHF =(ERSH/ERTH) 0.91 0.85
ADP (Calculated) 51.7 50ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60879 646
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.07moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.1
Final Values:
Selected Load (TR) 2.7Selected Airquantity (CFM) 879CFM/TR 326Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 59.04
H 0 0 0 0 0 0 0.0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 360Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 360 0.40 30 17 -13 4322 2449 -1873
Roof sun 221 0.12 53 38 -18 1403 1006 -476
Total Return Air Heat Load 5725 3455 -2349
Page 47 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME ROOM 4 DIFFERENTIAL 35 78
ROOM SIZE 16.40 17.11 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 280.5 Sqft INDOOR 73 50 61
ROOM VOLUME 3220 cft DIFFERENTIAL 22 132
OCCUPANCY 6 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR54 Cfm @ AC/Hr DIFFERENTIAL -18 -4
120 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
120 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0
H 0 0 0 0 0 0 0 0
NET WALL A 0 0 0 0 0 0 0 0 33.9
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 33.9 0.40 30 17 -13 407 231 -176
Partition (Glass) 161.9 1.13 30 17 -13 5490 3111 -2379Ceiling 0 0.41 30 17 -13 0 0 0
Floor 280.5 0.43 30 17 -13 3619 2051 -1568
Internal HeatOccupants (No) 6 250 1500 1500 1500Power (W) 1000 3.40 3400 3400 1700
Lights (W) 521 3.40 1.25 2216 2216 2216
Sub Total 16632 12508 1293
Safety Factor 12.5% 2079 1564 162
RSH 18711 14072 1455Outdoor Air 120 0.12 35 22 -18 1.08 544 342 -280
ERSH 19255 14414 1175
Page 48 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 6.00 200.00 1200 1200 1200Sub Total 1200 1200 1200
Safety factor 10.0% 120 120 120RLH 1320 1320 1320
Outdoor Air 120 0.12 78 132 -4 0.68 767 1293 -37
ERLH 2087 2613 1283ERTH 21342 17027 2458
Outdoor Air(S) 120 0.88 35 22 -18 1.08 3992 2509 -2053
Outdoor Air(Lt) 120 0.88 78 132 -4 0.68 5623 9479 -273
GTH 30956 29014 132
Refrigeration Load BTU/Hr 30956 29014 132Return Air Heat load 6586 4000 -2687Grand Total Load BTU/Hr 37542 33015 -2555Grand Total Refrigeration Load TR 3.1 2.75 -0.2Winter Load(KW) -0.7
1.4ESHF =(ERSH/ERTH) 0.90 0.85
ADP (Calculated) 50.88 50.0ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.601013 758
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.08moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.1
Final Values:
Selected Load (TR) 3.1Selected Airquantity (CFM) 1013CFM/TR 324Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 65.60
H 0 0 0 0 0 0 0.0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 400Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 400 0.40 30 17 -13 4802 2721 -2081
Roof sun 281 0.12 53 38 -18 1784 1279 -606
Total Return Air Heat Load 6586 4000 -2687
Page 49 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME ROOM 5 DIFFERENTIAL 35 78
ROOM SIZE 16.40 13.45 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 220.6 Sqft INDOOR 73 50 61
ROOM VOLUME 2532 cft DIFFERENTIAL 22 132
OCCUPANCY 6 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR42 Cfm @ AC/Hr DIFFERENTIAL -18 -4
120 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
120 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0
H 0 0 0 0 0 0 0 0
NET WALL A 0 0 0 0 0 0 0 0 150.6
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 150.6 0.40 30 17 -13 1808 1024 -783
Partition (Glass) 173.2 1.13 30 17 -13 5873 3328 -2545Ceiling 0 0.41 30 17 -13 0 0 0
Floor 220.6 0.43 30 17 -13 2846 1613 -1233
Internal HeatOccupants (No) 6 250 1500 1500 1500Power (W) 800 3.40 2720 2720 1360
Lights (W) 410 3.40 1.25 1743 1743 1743
Sub Total 16489 11928 42
Safety Factor 12.5% 2061 1491 5
RSH 18550 13419 47Outdoor Air 120 0.12 35 22 -18 1.08 544 342 -280
ERSH 19095 13761 -233
Page 50 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 6.00 200.00 1200 1200 1200Sub Total 1200 1200 1200
Safety factor 10.0% 120 120 120RLH 1320 1320 1320
Outdoor Air 120 0.12 78 132 -4 0.68 767 1293 -37
ERLH 2087 2613 1283ERTH 21181 16373 1050
Outdoor Air(S) 120 0.88 35 22 -18 1.08 3992 2509 -2053
Outdoor Air(Lt) 120 0.88 78 132 -4 0.68 5623 9479 -273
GTH 30796 28361 -1276
Refrigeration Load BTU/Hr 30796 28361 -1276Return Air Heat load 5725 3455 -2349Grand Total Load BTU/Hr 36520 31816 -3625Grand Total Refrigeration Load TR 3.0 2.7 -0.3Winter Load(KW) -1.1
1.6ESHF =(ERSH/ERTH) 0.90 0.84
ADP (Calculated) 50.88 50.20ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.601005 724
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.08moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.1
Final Values:
Selected Load (TR) 3.0Selected Airquantity (CFM) 1005CFM/TR 335Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 59.04
H 0 0 0 0 0 0 0.0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 360Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 360 0.40 30 17 -13 4322 2449 -1873
Roof sun 221 0.12 53 38 -18 1403 1006 -476
Total Return Air Heat Load 5725 3455 -2349
Page 51 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME ROOM 6 DIFFERENTIAL 35 78
ROOM SIZE 16.40 13.45 11.5 MONSOON OUTDOOR 95 88 193ROOM AREA 220.6 Sqft INDOOR 73 50 61
ROOM VOLUME 2532 cft DIFFERENTIAL 22 132
OCCUPANCY 5 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR42 Cfm @ AC/Hr DIFFERENTIAL -18 -4
100 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
100 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 0 0 0 0 0 0 0 0 13
H 0 0 0 0 0 0 0 0 11.5
NET WALL A 0 0 0 0 0 0 0 0 151
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 35 22 -18 0 0 0
Partition Wall 150.6 0.40 30 17 -13 1807 1024 -783Ceiling 0 0.41 30 17 -13 0 0 0
Floor 220.6 0.43 30 17 -13 2846 1613 -1233
Internal HeatOccupants (No) 5 250 1250 1250 1250
Power (W) 800 3.40 2720 2720 1360Lights (W) 410 3.40 1.25 1743 1743 1743
Sub Total 10366 8350 2337
Safety Factor 12.5% 1296 1044 292
RSH 11662 9393 2629Outdoor Air 100 0.12 35 22 -18 1.08 454 285 -233
ERSH 12115 9679 2395
Page 52 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 5.00 200.00 1000 1000 1000Sub Total 1000 1000 1000
Safety factor 10.0% 100 100 100RLH 1100 1100 1100
Outdoor Air 100 0.12 78 132 -4 0.68 639 1077 -31
ERLH 1739 2177 1069ERTH 13854 11856 3464
Outdoor Air(S) 100 0.88 35 22 -18 1.08 3326 2091 -1711
Outdoor Air(Lt) 100 0.88 78 132 -4 0.68 4685 7899 -227
GTH 21866 21845 1526
Refrigeration Load BTU/Hr 21866 21845 1526Return Air Heat load 5725 3455 -2349Grand Total Load BTU/Hr 27591 25300 -823Grand Total Refrigeration Load TR 2.3 2.1 -0.1Winter Load(KW) -0.2
0.7ESHF =(ERSH/ERTH) 0.87 0.82
ADP (Calculated) 50.71 49.00ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60637 509
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.07moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.11
Final Values:
Selected Load (TR) 2.3Selected Airquantity (CFM) 637CFM/TR 277Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 0 0 59.04
H 0 0 0 0 0 0 0 0 6.1
NET AREA 0 0 0 0 0 0 0 0 360Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 360 0.40 30 17 -13 4322 2449 -1873
Roof sun 221 0.12 53 38 -18 1403 1006 -476
Total Return Air Heat Load 5725 3455 -2349
Page 53 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 110.6 FFL (CONTROL ROOM LAYOUT) INDOOR 73 50 61
ROOM NAME INSTRUMENT MAINTENANCE ROOM DIFFERENTIAL 35 78
ROOM SIZE 9.84 13.48 11.5 MONSOON OUTDOOR 95 88 193
ROOM AREA 132.7 Sqft INDOOR 73 50 61ROOM VOLUME 1523 cft DIFFERENTIAL 22 132
OCCUPANCY 2 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1.0 AC/hr INDOOR 73 50 61
FRESH AIR25 Cfm @ AC/Hr DIFFERENTIAL -18 -4
40 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
40 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 6.6 0 0 0 0 0 32H 0 0 4.9 0 0 0 0 0
QTY 0 0 1 0 0 0 0 0
AREA 0 0 32 0 0 0 0 0 Partition
NET WALL AREAL 0 0 10.82 0 0 0 0 0 13
H 0 0 11 0 0 0 0 0 11.5
NET WALL A 0 0 92 0 0 0 0 0 151
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0NE 0 1.00 12 11 0 0 0 0
E 32 1.00 12 11 0 387 355 0SE 0 1.00 12 11 0 0 0 0
S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0E 92 0.40 36 21 -18 1325 773 -662
S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0
Trans. Gain-Except Wall & RoofAll Glass 32 1.13 35 22 -18 1276 802 -656
Partition Wall 151 0.40 30 17 -13 1807 1024 -783Ceiling 0 0.41 30 17 -13 0 0 0
Floor 132.7 0.43 30 17 -13 1711 970 -742
Internal HeatOccupants (No) 2 250 500 500 500Power (W) 600 3.40 2040 2040 1020
Lights (W) 247 3.40 1.25 1048 1048 1048Sub Total 10095 7512 -275
Safety Factor 12.5% 1262 939 -34
RSH 11357 8451 -310Outdoor Air 40 0.12 35 22 -18 1.08 181 114 -93
ERSH 11538 8565 -403
Page 54 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 2.00 200.00 400 400 400Sub Total 400 400 400
Safety factor 10.0% 40 40 40RLH 440 440 440
Outdoor Air 40 0.12 78 132 -4 0.68 256 431 -12
ERLH 696 871 428ERTH 12234 9436 24
Outdoor Air(S) 40 0.88 35 22 -18 1.08 1331 836 -684
Outdoor Air(Lt) 40 0.88 78 132 -4 0.68 1874 3160 -91
GTH 15439 13432 -751
Refrigeration Load BTU/Hr 15439 13432 -751Return Air Heat load 5300 3146 -2281Grand Total Load BTU/Hr 20738 16578 -3032Grand Total Refrigeration Load TR 1.7 1.4 -0.3Winter Load(KW) -0.9
0.9ESHF =(ERSH/ERTH) 0.94 0.91
ADP (Calculated) 52.40 51.70ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60607 451
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.03moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.04
Final Values:
Selected Load (TR) 1.7Selected Airquantity (CFM) 607CFM/TR 351Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 11 0 0 0 0 0 47.89
H 0 0 6 0 0 0 0 0 6.1
NET AREA 0 0 66 0 0 0 0 0 292Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 66 0.40 36 21 -18 951 555 -475S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0Partition Wall 292 0.40 30 17 -13 3505 1986 -1519
Roof sun 133 0.12 53 38 -18 844 605 -287
Total Return Air Heat Load 5300 3146 -2281
Page 55 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION + 104.500 FFL (SWITCH GEAR FLOOR) INDOOR 74.8 50.4 65.1
ROOM NAME AHU ROOM DIFFERENTIAL 33.2 73.8
ROOM SIZE 49.20 14.0 17.6 MONSOON OUTDOOR 95 88 193ROOM AREA 689 Sqft INDOOR 74.2 53.8 67.9
ROOM VOLUME 12128 cft DIFFERENTIAL 20.8 124.7OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57
AIR CHANGES 0 AC/hr INDOOR 72.1 51.7 60.79
FRESH AIR0 Cfm @ AC/Hr DIFFERENTIAL -17.1 -3.990 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
0 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0
H 0 0 4.92 0 0 0 0 0
QTY 0 0 1 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition
NET WALL AREAL 14.01 0 0 0 0 0 0 0 63.21
H 17.6 0 17.6 0 0 0 0 0 17.6
NET WALL A 246 0 0 0 0 0 0 0 1112
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0E 0 1.00 12 11 0 0 0 0
SE 0 1.00 12 11 0 0 0 0S 0 1.00 12 13 0 0 0 0
SW 0 1.00 100 127 0 0 0 0W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -17 0 0 0
E 0 0.40 36 21 -17 0 0 0S 0 0.40 34 19 -17 0 0 0
W 0 0.40 30 15 -17 0 0 0
Roof Sun 0 0.12 53 38 -17 0 0 0
Trans. Gain-Except Wall & RoofAll Glass 0 1.13 33 21 -17 0 0 0
Partition Wall 0 0.40 28 16 -12 0 0 0
Floor 0 0.43 28 16 -12 0 0 0
Internal HeatOccupants (No) 0 250 0 0 0
Power (W) 0 3.40 0 0 0Lights (W) 1281 3.40 1.25 5444 5444 5444
Sub Total 5444 5444 5444
Safety Factor 12.5% 681 681 681
RSH 6125 6125 6125Outdoor Air 0 0.12 33 21 -17 1.08 0 0 0
ERSH 6125 6125 6125
Page 56 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0Sub Total 0 0 0
Safety factor 10.0% 0 0 0RLH 0 0 0
Outdoor Air 0 0.12 74 125 -4 0.68 0 0 0
ERLH 0 0 0ERTH 6125 6125 6125
Outdoor Air(S) 0 0.88 33 21 -17 1.08 0 0 0
Outdoor Air(Lt) 0 0.88 74 125 -4 0.68 0 0 0
GTH 6125 6125 6125
Refrigeration Load BTU/Hr 6125 6125 6125Return Air Heat load 25372 13742 -11712Grand Total Load BTU/Hr 31497 19866 -5587Grand Total Refrigeration Load TR 2.6 1.66 -0.47Winter Load(KW)Final Values:
Selected Load (TR) 2.6Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 14.0 0 0 0 0 0 0 0 63.21
H 17.6 0 17.6 0 0 0 0 0 17.6
NET AREA 246 0 0 0 0 0 0 0 1112Sum Mon Win
N 246 0.40 22 7 -18 2169 690 -1775
E 0 0.40 36 21 -18 0 0 0
S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0
Trans. Gain-Except Wall & RoofAll Glass 0.00 1.13 33.2 20.8 -17.1 0 0 0
Partition Wall 1112 0.40 28.2 15.8 -12.1 12530 7048 -5366Ceiling 689 0.12 28.2 15.8 -12.1 2329 1310 -997
Floor 689 0.43 28.2 15.8 -12.1 8344 4693 -3573
Total Return Air Heat Load 25372 13742 -11712
Page 57 of 61
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION INDOOR 75.2 50.3 65.8
ROOM NAME AHU ROOM DIFFERENTIAL 32.8 73.1
ROOM SIZE 50.51 41 20.01 MONSOON OUTDOOR 95 88 193
ROOM AREA 2071.0 Sqft INDOOR 74.4 54.3 69.2ROOM VOLUME 41441 cft DIFFERENTIAL 20.6 123.4
OCCUPANCY 0 20.00 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 0 AC/hr INDOOR 71.9 52.7 61.63
FRESH AIR0 Cfm @ AC/Hr DIFFERENTIAL -16.9 -4.830 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
0 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 0 0 0H 0 0 0 0 0 0 0 0
QTY 0 0 0 0 0 0 0 0
AREA 0 0 0 0 0 0 0 0 Partition Wall
NET WALL AREAL 14.27 0 50.51 0 0 0 0 0
H 20.01 0 20.01 0 0 0 0 0
NET WALL A 286 0 1011 0 0 0 0 0 1787.59
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0
E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0
S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0
W 0 1.00 164 165 0 0 0 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -17 0 0 0
E 0 0.40 36 21 -17 0 0 0
S 0 0.40 34 19 -17 0 0 0W 0 0.40 30 15 -17 0 0 0
Roof Sun 0 0.12 53 38 -17 0 0 0Trans. Gain-Except Wall & RoofAll Glass 0 1.13 33 21 -17 0 0 0
Partition Wall 0 0.40 28 16 -12 0 0 0Ceiling 0 0.41 28 16 -12 0 0 0
Floor 0 0.43 28 16 -12 0 0 0
Internal HeatOccupants (No) 0 250 0 0 0
Power (W) 0 3.40 0 0 0Lights (W) 3850 3.40 1.25 16362 16362 16362
Sub Total 16362 16362 16362
Safety Factor 12.5% 2045 2045 2045
RSH 18408 18408 18408Outdoor Air 0 0.12 33 21 -17 1.08 0 0 0
ERSH 18408 18408 18408
Page 58 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
+ 110.00 FFL (CONTROL ROOM LAYYOUT)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 0.00 200.00 0 0 0Sub Total 0 0 0
Safety factor 10.0% 0 0 0RLH 0 0 0
Outdoor Air 0 0.12 73 123 -5 0.68 0 0 0
ERLH 0 0 0ERTH 18408 18408 18408
Outdoor Air(S) 0 0.88 33 21 -17 1.08 0 0 0
Outdoor Air(Lt) 0 0.88 73 123 -5 0.68 0 0 0
GTH 18408 18408 18408
Refrigeration Load BTU/Hr 18408 18408 18408Return Air Heat load 73731 43749 -29889Grand Total Load BTU/Hr 92138 62157 -11481Grand Total Refrigeration Load TR 7.7 5.2 -1.0Winter Load(KW)Final Values:
Selected Load (TR) 7.7Return Air Heat load
N NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 50.51 0 0 0 0 0
H 0 0 20.0 0 0 0 0 0
NET AREA 0 0 1011 0 0 0 0 0 1787.6Sum Mon Win
N 0 0.40 22 7 -18 0 0 0
E 1011 0.40 36 21 -18 14555 8490 -7277
S 0 0.40 34 19 -18 0 0 0
W 0 0.40 30 15 -18 0 0 0
Trans. Gain-Except Wall & RoofAll Glass 0 1.13 32.8 20.6 -16.9 0 0 0
Partition Glass 43.60 1.13 28 16 -11.9 1370 769 -585Partition Wall 1787.6 0.40 28 16 -11.9 19878 11155 -8495Roof Sun 2071 0.12 53 38 -11.9 13172 9444 -2952
Floor 2071 0.43 28 16 -11.9 24757 13892 -10579
Total Return Air Heat Load 73731 43749 -29889
Page 59 of 61
Document No. AV2K13-046-MDL-0003
Document Title : Cooling & heating load and equipment sizing Rev-03
CLIENT BHEL SEASON DESIGN CONDITIONS DB WB RH Gr/lb
PROJECT OPAL, DAHEJ SUMMER OUTDOOR 108 84 139
LOCATION INDOOR 73 50 61
ROOM NAME ROOM 9 DIFFERENTIAL 35 78
ROOM SIZE 8 9.8 11.5 MONSOON OUTDOOR 95 88 193
ROOM AREA 81 Sqft INDOOR 73 50 61ROOM VOLUME 928 cft DIFFERENTIAL 22 132
OCCUPANCY 2 20 cfm/per Winter OUTDOOR 55 53 57AIR CHANGES 1 AC/hr INDOOR 73 50 61
FRESH AIR15 Cfm @ AC/Hr DIFFERENTIAL -18 -440 Cfm @ Occup BF 0.12 Occupant Heat Sens 250
40 Cfm Selected 1-BF 0.88 Lat 200
N NE E SE S SW W NW All Glass
GLASS AREA
L 0 0 0 0 0 0 6.6 0 32.3H 0 0 0 0 0 0 4.9 0
QTY 0 0 0 0 0 0 1 0
AREA 0 0 0 0 0 0 32.3 0 Partition Wall
NET WALL AREAL 0 0 0 0 0 0 8 0 9.84
H 11.5 0 11.5 11.5 11.5 11.5 11.5 11.5 11.5
NET WALL A 0 0 0 0 0 0 62 0 113.2
Solar Gain - Glass Temperature Difference WArea U Sum Mon Win sum Mon Win
N 0 1.00 14 11 0 0 0 0
NE 0 1.00 12 11 0 0 0 0
E 0 1.00 12 11 0 0 0 0SE 0 1.00 12 11 0 0 0 0
S 0 1.00 12 13 0 0 0 0SW 0 1.00 100 127 0 0 0 0
W 32.3 1.00 164 165 0 5293 5325 0
NW 0 1.00 123 100 0 0 0 0
Solar & Trans. Gain-Wall & RoofN 0 0.40 22 7 -18 0 0 0
E 0 0.40 36 21 -18 0 0 0
S 0 0.40 34 19 -18 0 0 0W 62 0.40 30 15 -18 744 372 -447
Roof Sun 0 0.12 53 38 -18 0 0 0Trans. Gain-Except Wall & RoofAll Glass 32 1.13 35 22 -18 1276 802 -656
Partition Wall 113.2 0.40 30 17 -13 1358 769 -588Ceiling 0 0.41 30 17 -13 0 0 0
Floor 81 0.43 30 17 -13 1041 590 -451
Internal HeatOccupants (No) 2 250 500 500 500
Power (W) 0 3.40 0 0 0Lights (W) 150 3.40 1.25 637 637 637
Sub Total 10850 8997 -1005
Safety Factor 12.5% 1356 1125 -126
RSH 12206 10121 -1131Outdoor Air 40 0.12 35 22 -18 1.08 181 114 -93
ERSH 12388 10235 -1224
Page 60 of 61
CUSTOMER: ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRAT
Heat Load Calculations for Summer & Monsoon
Airconditioning system(Areawise)
PROJECT –DAHEJ PETROCHEMICALS COMPLEX
+ 110.6 FFL (CONTROL ROOM LAYYOUT)
Document No. AV2K13-046-MDL-0003
Gr/lb Btu/HrSum Mon Win Sum Mon Win
Latent HeatOccupants (No) 2.00 200.00 400 400 400Sub Total 400 400 400
Safety factor 10.0% 40 40 40RLH 440 440 440
Outdoor Air 40 0.12 78 132 -4 0.68 254 430 -14
ERLH 694 870 426ERTH 13082 11105 -798
Outdoor Air(S) 40 0.88 35 22 -18 1.08 1331 836 -684
Outdoor Air(Lt) 40 0.88 78 132 -4 0.68 1865 3150 -101
GTH 16277 15091 -1583
Refrigeration Load BTU/Hr 16277 15091 -1583Return Air Heat load 1834 1076 -798Grand Total Load BTU/Hr 18111 16167 -2381Grand Total Refrigeration Load TR 1.5 1.35 -0.2Winter Load(KW) -0.7
0.6ESHF =(ERSH/ERTH) 0.95 0.92
ADP (Calculated) 52.10 50.88ADP (Selected) 53 53
Deh Rise={(Tr-Tadp)*(1-BF)} 17.60 17.60652 538
Humidifier KW = moisture addition in Kg/Hr* Lat ht of steam (540)/880 -0.03moisture addition in Kg/Hr = FA * Gr Diff (in case of winter)/(1580*2.2046) -0.05
Final Values:
Selected Load (TR) 1.5Selected Airquantity (CFM) 652CFM/TR 432
Return Air Heat loadN NE E SE S SW W NW Partition Wall
WALL AREAL 0 0 0 0 0 0 8 0 9.84
H 0 0 0 0 0 0 6.1 0 6.1
NET AREA 0 0 0 0 0 0 50 0 60Sum Mon Win
N 0 0.40 22 7 -18 0 0 0E 0 0.40 36 21 -18 0 0 0
S 0 0.40 34 19 -18 0 0 0W 50 0.40 30 15 -18 600 300 -360
Partition Wall 60 0.40 30 17 -13.0 720 408 -312
Roof Sun 81 0.12 53 38 -13.0 513 368 -126
Total Return Air Heat Load 1834 1076 -798
Page 61 of 61
Monsoon Heaters (KW)
CMH Dehum ={(ERSH)/(1.08*Deh Rise)}
Document No. AV2K13-046-MDL-0003
19/10/2012PROJECT:- DAHEJ PETROCHEMICALS COMPLEXCLIENT ONGC PETRO-ADDITIONS LIMITED (OPAL), SEZ, DAHEJ- GUJRATREVISION 03
HEAT LOAD SUMMARY S.NO. Area Name AC Load (TR) Winter Load (KW) Humdifier (KW) Fresh Air (cfm)
1 6.6 3102 1.4 -0.2 3.3 238
2 7.4 3559 0.5 -0.2 4.2 244
3 3.3 1725 -1.4 -0.05 2.9 75
4 3.0 1610 -1.3 -0.04 2.7 67
5 ENGINEERING ROOM 5.6 2432 1.0 -0.1 2.2 111
6 1.3 595 -1.1 -0.01 1.14 19
7 33.7 15799 -7.1 -0.48 15.6 715
8 2.6 1295 -0.4 -0.03 1.0 41
9 1.9 1026 -0.6 -0.01 0.7 16
10 43.1 20243 -0.3 -0.7 16.2 1002
11 17.0 8969 18.1 -0.14 4.4 214
12 5.1 2231 1.5 -0.1 2.0 152
13 18.4 8240 -0.1 -0.31 7.8 461
14 33.2 15859 15.7 -0.5 11.1 718
15 4.1 1910 -0.6 -0.05 2.2 69
16 LAB ROOM 1.2 385 -0.5 -0.03 0.5 40
17 CONFERENCE ROOM 4.7 1452 -0.3 -0.1 1.6 200
18 0.7 236 -0.3 -0.01 0.4 20
19 3.6 1210 -0.7 -0.1 1.6 160
20 OPERATOR CHANGE ROOM 1.8 620 -0.2 -0.03 0.7 42
21 ROOM 1 2.8 941 -1 -0.07 1.5 100
22 ROOM 2 2.1 530 0.02 -0.1 0.5 100
23 ROOM 3 2.7 879 -0.8 -0.1 1.3 100
24 ROOM 4 3.1 1013 -0.7 -0.1 1.4 120
25 ROOM 5 3.0 1005 -1.1 -0.1 1.6 120
26 ROOM 6 2.3 637 -0.2 -0.1 0.7 100
27 1.7 607 -0.9 -0.03 0.9 40
28 AHU ROOM AT EL +104.5000 LVL 2.6 -- -- -- -- --
29 AHU ROOM AT EL +110.6 LVL 7.7 -- -- -- -- --
30 ROOM 09 1.5 652 -0.7 -0.03 0.6 40
TOTAL 227.9 98762 18 -3.6 90 5322
Note:- Area where Winter Heat load is coming positive, no winter heating shall be provided in that Area.
BHEL REFERENCE DRAWINGS:
Drawing Title Drawing No.1) Control Room Layout 1-381-21-02514
0-38142-02437
0-38142-024370-38142-02437
0-38142-02437
0-38142-02437
Page 01 of 61
De-Humidified Air Quantity (CFM)
Moonsoon Re-Heater Capacity (KW)
VFD ROOM GRID A1 TOWARDS C1 TO A2 TOWARDS C2VFD ROOM GRID A2 B2 TO TOWARDS A4 B4OPERATOR CUM DC MMI ROOM GRID A1 C1 TO A2 C2OPERATOR ROOM GRID B2 C2 TO TOWARD B3 C3
OPERATOR CONSOLE ROOM GRID D1 E1 TOWARDS D2 E2
OPERATOR CONSOLE ROOM GRID D2 E2 TO D6 E6
OPERATOR CONSOLE ROOM GRID D6 E6 TO TOWARDS D7 E7OPERATOR CONSOLE ROOM GRID D7 E7INSTRUMENT RACK ROOM GRID D7 E7 TO D13 E13INSTRUMENT RACK ROOM GRID C8 ABOVE D8 TO C13 ABOVE D13 ELECTRICAL RACK ROOM GRID C13 E13 TO TOWARDS C16 E16ELECTRICAL RACK ROOM GRID TOWARDS C15 E15 TO C16 E16
UPS ROOM GRID A12 C12 TO TOWARDS A16 C16UPS ROOM GRID TOWARDS A15 C15 TO A16 C16
DINING ROOM GRID A2 TO TOWARDS A3DINING ROOM GRID TOWARDS A3
INSTRUMENT MAINTENANCE ROOM
2) SwitchGear cum Contol Room Building G.A Plan at EL +100.00 LVL (Sheet 1 of 5)3) SwitchGear cum Contol Room Building G.A Plan at EL +104.500 LVL (Sheet 2 of 5)4) SwitchGear cum Contol Room Building G.A Plan at EL +110.00 LVL & Section 1-1 (Sheet 3 of 5)
5) SwitchGear cum Contol Room Building Elevation at West, North & Section 2-2 (Sheet 4 of 5)
6) SwitchGear cum Contol Room Building Roof Plan, Elevation at East, & South (Sheet 5 of 5)