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HomeMy WebLinkAboutHVAC LOAD ANALYSISLRECEIVED APR 2 2 2019 ST. Lucie CONnN, Pflrmlr?Ing SCANNED BY St. Lucie County Mann Warehouse HVAC Load Analysis for Mann Warehouse South Market Ave. Fort Pierce, Florida Likej)-w9if REVIEWED FOR CODE COMPLIANCE ST. LUCIE COUNTY 80010 Eric J. Svoboda, PE Fort Pierce Engineering, Inc. 315 South 7th Street Fort Pierce, FL 34950 772-672-4636 Friday, March 29, 2019 A - Elite Software Development, Inca Chvac - Full Commercial HVAC Loads c lation Program Fort Pierce Engmeennq, Fort PierceFL 34950. - - - - _ - ,jg JIEIII _. - . _. _ Mann ... Warehouse Page 2... Building Summa Loads Building peaks in August at 4pm. Bld Load Area Sen %Tot Lat Sen Net %Net Des`cri "bons'" " ` ` ' uan t Loss Loss Gain _. Gain "" G in- _'Gain' Roof 791 861 5.76 0 1,052 1,052 2.90 Wall 879 2,756 18.44 0 2,253 2,253 6.20 Glass 141 3,862 25.84 0 8,837 8,837 24.32 Floor Slab 85 1,739 11.64 0 0 0 0.00 Skin Loads 9,218 61.67 0 12,143 12,143 33.42 Lighting 1,582 0 0.00 0 5,398 5,398 14.86 Equipment 791 0 0.00 0 2,699 2,699 7.43 Pool Latent 0 0 0.00 0 0 0 0.00 People 12 0 0.00 2,400 3,000 5,400 14.86 Partition 408 388 2.59 0 388 388 1.07 Cool. Pret. 0 0 0.00 0 0 0 0.00 Heat. Pret. 0 0 0.00 0 0 0 0.00 Cool. Vent. 150 0 0.00 6,760 3,297 10,057 27.68 Heat. Vent. 150 5,341 35.73 0 0 0 0.00 Cool.lnfil. 0 0 0.00 0 0 0 0.00 Heat.lnfil. 0 0 0.00 0 0 0 0.00 Draw-Thru Fan 0 0 0.00 0 248 248 0.68 Blow-Thru Fan 0 0 0.00 0 0 0 0.00 Reserve Cap. 0 0 0.00 0 0 0 0.00 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 14,947 100.00 9,160 27,172 36,332 100.00 Bwldmg•< " * - - Senn °loToti' Laf , Sen' Net %°Net! Summa Loss, -. iLossa .-.'. ,: ...Gain, .. 'Gain 3 - Gain Gain' Ventilation 5,341 35.73 6,760 3,297 10,057 27.68 Infiltration . ; 0 0.00 0 0 0 0.00 Pretreated`Air- ::-, : 0 0.00 0 0 0 0.00 Room Loads ... - _. -, • ' . 9,606 64.27 2,400 23,628 26,028 71.64 Plenum Loads 0 0.00 0 0 0 0.00 Fan/Duct/Misc Loads 0 0.00 0 248 248 0.68 Building Totals 14,947 100.00 9,160 27,172 36,332 100.00 Check Fi ures' Total Building Supply Air, -(based on a 21 ° TD): 1,034 CFM Total Building Vent'Air (1¢:50% of Supply): 150 CFM Total Conditioned Air Space: 791 Sq.ft Supply Air Per Unit Area: 1.3078 CFM/Sq.ft Area Per Cooling Capacity: 261.3 Sq.ft/Ton Cooling Capacity Per Area: 0.0038 Tons/Sq.ft Heating Capacity Per Area: 18.90 Btuh/Sq.ft Total Heating Required With Outside Air: 14,947 Btuh Total Cooling Required With Outside Air: 3.03 :Tons Z:\...\Mann Warehouse Heat Load.CH8 Friday, March 29, 2019, 10:16 AM Chva - Full qo me ial HVAC.Loa s Ca,co,ation Program Elite Software Development, JIII II Mann WarehousePace 3 Air Handier #1- AHU 1 - Summary Loads 1 Reception 150 3,095 7,940 600 Direct Direct 4pm August 3 143 335 0 28 28 1,500 0.96 2.23 0 48 49 2 Office 1 72 907 2,969 200 Direct Direct 4pm August 1 42 125 0 14 14 720 0.58 1.74 0 14 18 3 Office 2 110 1,365 3,240 400 Direct 1pm August 2 63 137 0 21 1,100 0.58 1.24 0 21 4 Open Work Area 200 446 3,071 400 Direct 2pm August 2 21 129 0 38 2,000 0.10 0.65 0 - 7 5 - -- — Break - - --- 160 2,713 -------- -- ---- 4,958 — --- 400 Direct 1pmAugust 2 126 209 0 30 1,600 0.79 1.31 0 42 6 RR 1 50 461 1,104 200 Direct 3pm August 1 21 47 0 9 500 0.43 0.93 0 7 7 RR 2 49 620 1,252 200 Direct 3pm August 1 29 53 0 9 490 0.59 1.08 0 10 Room Peak Totals: 791 9,606 24,535 2,400 Total Rooms: 7 12 445 1,034 0 150 Unique Rooms: 7 7,910 0.56 1.31 0 150 Direct 21 20 Direct 38 19 Direct 30 30 Direct 9 7 Direct e 15u 150 Z:\ ...\Mann Warehouse Heat Load.cH8 Friday, March 29, 2019, 10:16 AM 4. i nvac run�ommercjai nvAa Loaasti uja_uon grogram AL one ounware ueveiopmem, mc. ,wFortPierce,Enciineerin4, ,:, _, . .`_ • . _. _. , ., .. _, _ _ ,, . _ > _, Mann Warehouse .. ... .. _ , ... _. _ m.-.. Air Handler #1 - AHU 1 - Total Load Summaty Air Handler Description: AHU 1 Constant Volume - Proportion Supply Air Fan: Draw-Thru with program estimated horsepower of 0.10 HP Fan Input: 0% motor and fan efficiency with 0 in. water across the fan Sensible Heat Ratio: 0.91 --- This system occurs 1 time(s) in the building. --- Air System Peak Time: 4pm in August Outdoor Conditions: Clg: 95° DB, 80° WB, 131.77 grains, Htg: 42° DB Indoor Conditions: Clg: 75° DB, 50% RH, Htg: 750 DB Summer: Ventilation controls outside air, ----- Winter: Ventilation controls outside air. Room Space sensible loss: 9,606 Btuh Infiltration sensible loss: 0 Btuh 0 CFM Outside Air sensible loss: 5,341 Btuh 150 CFM Supply Duct sensible loss: 0 Btuh Return Duct sensible loss: 0 Btuh Return Plenum sensible loss: 0 Btuh Total System sensible loss: 14,947 Btuh Heating Supply Air: 9,606 / (.999 X 1.08 X 20) = 445 CFM Winter Vent Outside Air (33.7% of supply) = 150 CFM Room space sensible gain: 23,628 Infiltration sensible gain: 0 Draw-thru fan sensible gain: 248 Supply duct sensible gain: 0 Reserve sensible gain: 0 Total sensible gain on supply side of coil: Btuh Btuh Btuh Btuh Btuh 23,875 Btuh Cooling Supply Air: 23,875 / (.999 X 1.1 X 21) = 1,034 CFM Summer Vent Outside Air (14.5% of supply) = 150 CFM Return duct sensible gain: 0 Btuh Return plenum sensible gain: 0 Btuh Outside air sensible gain: 3,297 Btuh 150 CFM Blow-thru fan sensible gain: 0 Btuh Total sensible gain on return side of coil: 3,297 Btuh Total sensible gain on air handling system: 27,172 Btuh Room space latent gain: 2,400 Btuh Infiltration latent gain: 0 Btuh Outside air latent gain: 6,760 Btuh Total latent gain on air handling system: 9,160 Btuh Total system sensible and latent gain: 36,332 Btuh Total Air Handler Supply Air (based on a 21 ° TD): 1,034 CFM Total Air Handler Vent. Air (14.50% of Supply): 150 CFM Total Conditioned Air Space: 791 Sq.ft Supply Air Per Unit Area: 1.3078 CFM/Sq.ft Area Per Cooling Capacity: 261.3 Sq.ft/Ton Cooling Capacity Per Area: 0.0038 Tons/Sq.ft Heating Capacity Per Area: 18.90 Btuh/Sq.ft Total Heating Required With Outside Air: 14,947 Btuh Total Cooling Required With Outside Air: 3.03 Tons Z:\ ...\Mann Warehouse Heat Load.CH8 Friday, March 29, 2019, 10:16 AM