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Sensibleload

Latentload

AHU ROOM Area of north side wall excluding glass area (22' x 16') 352U= 0.39 0.39Temperature difference 95-71.6=23.4 23.4

Conduction Heat transfer = A*U*TD 3212.352

Area of East wall excluding glass area (22' x 16') - (4'x20') =272 ft2 272U= 0.39 0.39Temperature difference 95-71.6=23.4 23.4Conduction Heat transfer = A*U*TD 2482.272Conduction heat gain thru glass area =(4'x20) 80Glass U 1.06Temperature difference =23.4 deg 23.4Conduction Heat transfer = A*U*TD 1984.32

Area of West wall excluding glass area (22' x 16') - (5'x8') =312 ft2 312U= 0.39 0.39Temperature difference 95-71.6=23.4 23.4Conduction Heat transfer = A*U*TD 2847.312

Ceiling area 22'x22' = 484 ft2 484U=0.27 0.27Temperature difference =23.4 23.4Conduction Heat transfer = A*U*TD 3057.912

Floor area 22'x22' = 484 ft2 484U=0.27 0.27Temperature difference =18 18Conduction Heat transfer = A*U*TD 2352.24

Latent heat due to occupancyNo of occupants = 484/5115*30 = 3 persons 3Sensible heat due to occupancy 250Latent heat due to occupancy 200Total 750 600

Heat load due to equipments 14638.28

Heat load due to new panels 21511.8

Lighting load @ 1.5W/ft2 484x1.5x3.4 2468.4

Ventilation load Fresh air introduced for 3 air changes/hr 22x22x12x3=17424 ft3sensible heat 1.08*17424*(95-71)/60=7527 7527Latent heat 0.7*17424*(140-63)/60 = 15653 15653

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62831.89 16253 79084.89

SHR 0.794487

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6.590407

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CPP CONTROL ROOM EXISTING Area of east side wall excludingglass area (114' x 16') -(114x4) 1368U= 0.39 0.39Temperature difference 95-

71.6=23.4 23.4Conduction Heat transfer =

A*U*TD 12484.37

Glass area on east side (114'x4') 456Glass U 1.06Temp difference 23.4Heat transfer 11310.62

Area of West wall excluding glassarea (116' x 16') - (4'x116') = 1392ft2 1392

U= 0.39 0.39Temperature difference 95-71.6=23.4 23.4Conduction Heat transfer =

A*U*TD 12703.39Conduction heat gain thru westglass area =(4'x116') 464Glass U 1.06

Temperature difference =23.4 deg 23.4Conduction Heat transfer =

A*U*TD 11509.06

Area of North wall excluding glassarea (40' x 16') = 640 ft2 640

Area of North wall excluding glassarea (9' x 16') - 48 = 96 ft2 96

Area of North wall excluding glassarea (7' x 16') = 112 ft2 112

U= 0.39 0.39Temperature difference 95-71.6=23.4 23.4Conduction Heat transfer =

A*U*TD 7738.848Glass area on north wall = 48 ft2 48Glass U 1.06Temperature difference 95-71.6=23.4 23.4Heat transfer thru glass 1190.592

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Area of South wall excluding glassarea (12' x 16') = 192 ft2 192

Area of South wall excluding glassarea (34' x 16') - (5x16) = 464 ft2 464

U= 0.39 0.39Temperature difference 95-71.6=23.4 23.4Conduction Heat transfer =

A*U*TD 5986.656

Area of South wall excluding glassarea (7' x 16') for partition = 112 ft2 112Partition U 0.5Temperature difference 95-71.6=23.4 23.4Heat transfer 1310.4

Glass area on south wall = 80 ft2 80Glass U 1.06Temperature difference 95-71.6=23.4 23.4Heat transfer thru glass 1984.32

Ceiling area 5115 ft2 5115U=0.27 0.27Temperature difference =23.4 23.4Conduction Heat transfer =

A*U*TD 32316.57

Floor area 5115 ft2 5115U=0.27 0.27Temperature difference =18 18Conduction Heat transfer =

A*U*TD 24858.9

Latent heat due to occupancyNo of occupants = 25 nos 25Sensible heat due to occupancy 250 6250Latent heat due to occupancy 200 5000Total

Heat load due to equipments 154700

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Heat load due to new panels

Lighting load @ 1.5W/ft25115x1.5x3.4 26086.5

Ventilation load

Fresh air introduced for 3 air changes/hr 5115x12x3= 184140 ft3 184140sensible heat 1.08*184140*(95-71)/60=7527 79548.48Latent heat 0.7*184140*(140-63)/60 = 15653 165427.2Glass area 1128

Total 389978.7 170427.2 560405.9 46.70049

Total heat load due to equipmentsInstrument panels old 1 15000 15000Instrument panels new 1 6327 6327Load due to UPS & elec panels 1 20000 20000PC with monitors 10 500 5000Printers 10 450 4500Photocopiers 1 1000 1000Total 51827Heat load (Btu/hr) 176211.8

45500154700