HomeMy WebLinkAboutDaugherty Arcade Heat LoadDaugherty Arcade
HVAC Load Analysis
for
Daugherty Arcade
7175 S US Hwy 1
Port St. Lucie, Florida
Prepared By:
Eric J. Svoboda, PE
Fort Pierce Engineering, Inc.
315 South 7th Street
Fort Pierce, FL 34950
772-672-4636
Thursday, August 20, 2020
Chvac - Full Commercial HVAC Loads Calculation Program Elite Software Development, Inc.
Fort Pierce Engineering Daugherty Arcade
Fort Pierce, FL 34950 Page 2
General Project Data Input
General Project Information
Project file name:Daugherty Arcade Heat Load.CH8
Project title:Daugherty Arcade
Designed by:Eric J. Svoboda, PE
Project date:Monday, July 07, 2008
Weather reference city:FORT PIERCE, FLORIDA, USA
Client name:Daugherty Arcade
Client address:7175 S US Hwy 1
Client city:Port St. Lucie, Florida
Company name:Fort Pierce Engineering, Inc.
Company representative:Eric J. Svoboda, PE
Company address:315 South 7th Street
Company city:Fort Pierce, FL 34950
Company phone:772-672-4636
Company fax:772-672-4637
Barometric pressure:29.894 in.Hg.
Altitude:25 feet
Latitude:27 Degrees
Mean daily temperature range:15 Degrees
Starting & ending time for HVAC load calculations:7am - 10pm
Number of unique rooms in this project:6
Building Default Values
Calculations performed:Both heating and cooling loads
Lighting requirements:2.00 Watts per square foot
Equipment requirements:1.00 Watts per square foot
People sensible load multiplier:245 Btuh per person
People latent load multiplier:155 Btuh per person
Room sensible safety factor:0 %
Room latent safety factor:0 %
Room heating safety factor:0 %
People diversity factor:100 %
Lighting profile number:0
Equipment profile number:0
People profile number:0
Building default ceiling height:12.00 feet
Building default wall height:14.00 feet
Internal Operating Load Profiles (C = 100)
hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr hr
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 C C C C C C C C C C C C C C C C C C C C C C C C
2 C C C C C C C C C C C C C C C C C C C C C C C C
3 C C C C C C C C C C C C C C C C C C C C C C C C
4 C C C C C C C C C C C C C C C C C C C C C C C C
5 C C C C C C C C C C C C C C C C C C C C C C C C
6 C C C C C C C C C C C C C C C C C C C C C C C C
7 C C C C C C C C C C C C C C C C C C C C C C C C
8 C C C C C C C C C C C C C C C C C C C C C C C C
9 C C C C C C C C C C C C C C C C C C C C C C C C
10 C C C C C C C C C C C C C C C C C C C C C C C C
Z:\ ...\Daugherty Arcade Heat Load.CH8 Thursday, August 20, 2020, 01:53 PM
Chvac - Full Commercial HVAC Loads Calculation Program Elite Software Development, Inc.
Fort Pierce Engineering Daugherty Arcade
Fort Pierce, FL 34950 Page 3
General Project Data Input (cont'd)
Building-Level Design Conditions
Design
Month
Outdoor
Dry Bulb
Outdoor
Wet Bulb
Indoor
Rel.Hum
Indoor
Dry Bulb
Grains
Diff
In/Outdoor
Correction
August 90 78 50%75 61.09 1
Winter 42 75
Master Roofs
Roof
No.
ASHRAE
Roof#
Roof
U-Fac
Dark
Color
Susp.
Ceil
1 1 0.050 No No
Roof #1 Description: Metal Roof, R-20
Master Walls
Wall
No.
ASHRAE
Group
Wall
U-Fac
Wall
Color
1 C 0.095 D
Wall #1 Description: Block wall, 8" sand & gravel, hollow core, siding exterior, interior finish, 1" extruded poly, R-5.0
Master Glass
Glass
No.
Summer
U-Factor
Winter
U-Factor
Glass
Shd.Coef.
Interior
Shading
Interior
Shd.Coef
1 0.810 0.830 1.000 1 0.550
Glass #1 Description: Default Glass
Master Shading Devices
Shade
No.
Dist
Horiz
Overh
Projects
Dist
Beyond
Right
W.Edge
Dist
Beyond
Left
W.Edge
Dist
Overh
Above
Wind
Dist
Right
Fin
Proj
Dist
R-Fin
Beyond
W.Edge
Ht
Of
Right
Fin
Dist
Left
Fin
Proj
Dist
L-Fin
Beyond
W.Edge
Ht
Of
Left
Fin
1 10.00 50.00 50.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Z:\ ...\Daugherty Arcade Heat Load.CH8 Thursday, August 20, 2020, 01:53 PM
Chvac - Full Commercial HVAC Loads Calculation Program Elite Software Development, Inc.
Fort Pierce Engineering Daugherty Arcade
Fort Pierce, FL 34950 Page 4
Building Summary Loads
Building peaks in August at 3pm.
Bldg Load
Descriptions
Area
Quan
Sen
Loss
%Tot
Loss
Lat
Gain
Sen
Gain
Net
Gain
%Net
Gain
Roof 6,260 10,329 10.77 0 12,148 12,148 4.79
Wall 1,898 5,950 6.21 0 2,555 2,555 1.01
Glass 370 10,134 10.57 0 10,687 10,687 4.21
Floor Slab 171 3,499 3.65 0 0 0 0.00
Skin Loads 29,912 31.19 0 25,390 25,390 10.01
Lighting 12,520 0 0.00 0 42,720 42,720 16.84
Equipment 6,260 0 0.00 0 21,360 21,360 8.42
Pool Latent 0 0 0.00 0 0 0 0.00
People 105 0 0.00 16,275 25,725 42,000 16.55
Partition 0 0 0.00 0 0 0 0.00
Cool. Pret.1,853 0 0.00 32,442 21,495 53,938 21.26
Heat. Pret.1,853 36,211 37.76 0 0 0 0.00
Cool. Vent.1,853 0 0.00 44,478 9,051 53,529 21.10
Heat. Vent.1,853 29,770 31.05 0 0 0 0.00
Cool. Infil.0 0 0.00 0 0 0 0.00
Heat. Infil.0 0 0.00 0 0 0 0.00
Draw-Thru Fan 0 0 0.00 0 1,323 1,323 0.52
Blow-Thru Fan 0 0 0.00 0 0 0 0.00
Reserve Cap.0 0 0.00 0 13,478 13,478 5.31
Reheat Cap.0 0 0.00 0 0 0 0.00
Supply Duct 0 0 0.00 0 0 0 0.00
Return Duct 0 0 0.00 0 0 0 0.00
Misc. Supply 0 0 0.00 0 0 0 0.00
Misc. Return 0 0 0.00 0 0 0 0.00
Building Totals 95,893 100.00 93,195 160,544 253,739 100.00
Building
Summary
Sen
Loss
%Tot
Loss
Lat
Gain
Sen
Gain
Net
Gain
%Net
Gain
Ventilation 29,770 31.05 44,478 9,051 53,529 21.10
Infiltration 0 0.00 0 0 0 0.00
Pretreated Air 36,211 37.76 32,442 21,495 53,938 21.26
Room Loads 29,912 31.19 16,275 128,673 144,948 57.13
Plenum Loads 0 0.00 0 0 0 0.00
Fan/Duct/Misc Loads 0 0.00 0 1,323 1,323 0.52
Building Totals 95,893 100.00 93,195 160,544 253,739 100.00
Check Figures
Total Building Supply Air (based on a 21° TD):5,529 CFM
Total Building Vent. Air (33.52% of Supply):1,853 CFM
Total Conditioned Air Space:6,260 Sq.ft
Supply Air Per Unit Area:0.8832 CFM/Sq.ft
Area Per Cooling Capacity:296.1 Sq.ft/Ton
Cooling Capacity Per Area:0.0034 Tons/Sq.ft
Heating Capacity Per Area:15.32 Btuh/Sq.ft
Total Heating Required With Outside Air:95,893 Btuh
Total Cooling Required With Outside Air:21.14 Tons
Z:\ ...\Daugherty Arcade Heat Load.CH8 Thursday, August 20, 2020, 01:53 PM
Chvac - Full Commercial HVAC Loads Calculation Program Elite Software Development, Inc.
Fort Pierce Engineering Daugherty Arcade
Fort Pierce, FL 34950 Page 5
Air Handler #1 - RTU 1 - Summary Loads
Rm
No
Description
Room Peak Time
Area
People
Volume
Htg.Loss
Htg.CFM
CFM/Sqft
Sen.Gain
Clg.CFM
CFM/Sqft
Lat.Gain
S.Exh
W.Exh
Htg.O.A.
Req.CFM
Act.CFM
Clg.O.A.
Req.CFM
Act.CFM
1 Front Arcade
2pm August
2,890
50
34,680
16,069
884
0.31
57,158
2,988
1.03
7,750
0
0
Direct
950
884
Direct
950
946
2 Office
3pm August
240
2
2,880
2,638
145
0.60
4,997
261
1.09
310
0
0
Direct
79
145
Direct
79
83
Room Peak Totals:
Total Rooms: 2
Unique Rooms: 2
3,130
52
37,560
18,708
1,029
0.33
62,155
3,249
1.04
8,060
0
0
1,029
1,029
1,029
1,029
Z:\ ...\Daugherty Arcade Heat Load.CH8 Thursday, August 20, 2020, 01:53 PM
Chvac - Full Commercial HVAC Loads Calculation Program Elite Software Development, Inc.
Fort Pierce Engineering Daugherty Arcade
Fort Pierce, FL 34950 Page 6
Air Handler #1 - RTU 1 - Total Load Summary
Air Handler Description:RTU 1 Constant Volume - Proportion
Supply Air Fan:Draw-Thru with program estimated horsepower of 0.31 HP
Fan Input:0% motor and fan efficiency with 0 in. water across the fan
Sensible Heat Ratio:0.90 --- This system occurs 1 time(s) in the building. ---
Air System Peak Time:2pm in August.
Outdoor Conditions:Clg: 90° DB, 78° WB, 126.54 grains, Htg: 42° DB
Indoor Conditions:Clg: 75° DB, 50% RH, Htg: 75° DB
Summer: Ventilation controls outside air, ----- Winter: Ventilation controls outside air.
Room Space sensible loss:18,708 Btuh
Infiltration sensible loss:0 Btuh 0 CFM
Outside Air sensible loss: 15,544 Btuh 1,029 CFM
Supply Duct sensible loss:0 Btuh
Return Duct sensible loss:0 Btuh
Return Plenum sensible loss:0 Btuh
Total System sensible loss:34,252 Btuh
Heating Supply Air: 18,708 / (.999 X 1.08 X 17) =1,029 CFM
Winter Vent Outside Air (100.0% of supply) =1,029 CFM
Room space sensible gain:62,152 Btuh
Infiltration sensible gain:0 Btuh
Draw-thru fan sensible gain:778 Btuh
Supply duct sensible gain:0 Btuh
Reserve sensible gain:12,063 Btuh
Total sensible gain on supply side of coil:74,993 Btuh
Cooling Supply Air: 74,993 / (.999 X 1.1 X 21) =3,249 CFM
Summer Vent Outside Air (31.7% of supply) =1,029 CFM
Return duct sensible gain:0 Btuh
Return plenum sensible gain:0 Btuh
Outside air sensible gain:4,524 Btuh 1,029 CFM
Blow-thru fan sensible gain:0 Btuh
Total sensible gain on return side of coil:4,524 Btuh
Total sensible gain on air handling system:79,516 Btuh
Room space latent gain:8,060 Btuh
Infiltration latent gain:0 Btuh
Outside air latent gain:21,726 Btuh
Total latent gain on air handling system:29,786 Btuh
Total system sensible and latent gain:109,302 Btuh
Pretreated air sensible loss:21,096 Btuh
Pretreated air sensible gain:12,440 Btuh
Pretreated air latent gain:20,989 Btuh
Check Figures
Total Air Handler Supply Air (based on a 21° TD):3,249 CFM
Total Air Handler Vent. Air (31.67% of Supply):1,029 CFM
Total Conditioned Air Space:3,130 Sq.ft
Supply Air Per Unit Area:1.0381 CFM/Sq.ft
Area Per Cooling Capacity:343.6 Sq.ft/Ton
Cooling Capacity Per Area:0.0029 Tons/Sq.ft
Heating Capacity Per Area:10.94 Btuh/Sq.ft
Total Heating Required With Outside Air:34,252 Btuh
Total Cooling Required With Outside Air:9.11 Tons
Z:\ ...\Daugherty Arcade Heat Load.CH8 Thursday, August 20, 2020, 01:53 PM
Chvac - Full Commercial HVAC Loads Calculation Program Elite Software Development, Inc.
Fort Pierce Engineering Daugherty Arcade
Fort Pierce, FL 34950 Page 7
Air Handler #2 - RTU 2 - Summary Loads
Rm
No
Description
Room Peak Time
Area
People
Volume
Htg.Loss
Htg.CFM
CFM/Sqft
Sen.Gain
Clg.CFM
CFM/Sqft
Lat.Gain
S.Exh
W.Exh
Htg.O.A.
Req.CFM
Act.CFM
Clg.O.A.
Req.CFM
Act.CFM
3 Rear Arcade
2pm August
2,610
50
31,320
6,108
449
0.17
44,645
1,905
0.73
7,750
0
0
Direct
687
449
Direct
687
689
4 Storage
6pm August
320
1
3,840
3,231
238
0.74
5,182
221
0.69
155
0
0
Direct
84
238
Direct
84
80
5 Women
2pm August
100
1
1,200
413
30
0.30
1,485
63
0.63
155
0
0
Direct
26
30
Direct
26
23
6 Men
5pm August
100
1
1,200
1,452
107
1.07
2,094
89
0.89
155
0
0
Direct
26
107
Direct
26
32
Room Peak Totals:
Total Rooms: 4
Unique Rooms: 4
3,130
53
37,560
11,204
824
0.26
53,406
2,279
0.73
8,215
0
0
824
824
824
824
Z:\ ...\Daugherty Arcade Heat Load.CH8 Thursday, August 20, 2020, 01:53 PM
Chvac - Full Commercial HVAC Loads Calculation Program Elite Software Development, Inc.
Fort Pierce Engineering Daugherty Arcade
Fort Pierce, FL 34950 Page 8
Air Handler #2 - RTU 2 - Total Load Summary
Air Handler Description:RTU 2 Constant Volume - Proportion
Supply Air Fan:Draw-Thru with program estimated horsepower of 0.22 HP
Fan Input:0% motor and fan efficiency with 0 in. water across the fan
Sensible Heat Ratio:0.87 --- This system occurs 1 time(s) in the building. ---
Air System Peak Time:3pm in August.
Outdoor Conditions:Clg: 90° DB, 78° WB, 125.80 grains, Htg: 42° DB
Indoor Conditions:Clg: 75° DB, 50% RH, Htg: 75° DB
Summer: Ventilation controls outside air, ----- Winter: Ventilation controls outside air.
Room Space sensible loss:11,204 Btuh
Infiltration sensible loss:0 Btuh 0 CFM
Outside Air sensible loss: 14,226 Btuh 824 CFM
Supply Duct sensible loss:0 Btuh
Return Duct sensible loss:0 Btuh
Return Plenum sensible loss:0 Btuh
Total System sensible loss:25,430 Btuh
Heating Supply Air: 11,204 / (.999 X 1.08 X 13) =824 CFM
Winter Vent Outside Air (100.0% of supply) =824 CFM
Room space sensible gain:53,150 Btuh
Infiltration sensible gain:0 Btuh
Draw-thru fan sensible gain:546 Btuh
Supply duct sensible gain:0 Btuh
Reserve sensible gain:1,415 Btuh
Total sensible gain on supply side of coil:55,111 Btuh
Cooling Supply Air: 55,111 / (.999 X 1.1 X 22) =2,279 CFM
Summer Vent Outside Air (36.2% of supply) =824 CFM
Return duct sensible gain:0 Btuh
Return plenum sensible gain:0 Btuh
Outside air sensible gain:4,528 Btuh 824 CFM
Blow-thru fan sensible gain:0 Btuh
Total sensible gain on return side of coil:4,528 Btuh
Total sensible gain on air handling system:59,639 Btuh
Room space latent gain:8,215 Btuh
Infiltration latent gain:0 Btuh
Outside air latent gain:22,752 Btuh
Total latent gain on air handling system:30,967 Btuh
Total system sensible and latent gain:90,606 Btuh
Pretreated air sensible loss:15,115 Btuh
Pretreated air sensible gain:9,056 Btuh
Pretreated air latent gain:11,453 Btuh
Check Figures
Total Air Handler Supply Air (based on a 22° TD):2,279 CFM
Total Air Handler Vent. Air (36.15% of Supply):824 CFM
Total Conditioned Air Space:3,130 Sq.ft
Supply Air Per Unit Area:0.7282 CFM/Sq.ft
Area Per Cooling Capacity:414.5 Sq.ft/Ton
Cooling Capacity Per Area:0.0024 Tons/Sq.ft
Heating Capacity Per Area:8.12 Btuh/Sq.ft
Total Heating Required With Outside Air:25,430 Btuh
Total Cooling Required With Outside Air:7.55 Tons
Z:\ ...\Daugherty Arcade Heat Load.CH8 Thursday, August 20, 2020, 01:53 PM