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REVIEWED BLD2022-0196+Mechanical_System_Calculations+2.15.2022_11.14.16_AM+2681526r avatem Project Name: Salish Suite 186 ng Summary m 01/25/2022 Air System Information Air System Name:__...- ---------------------------------- DefaultSystem Air System Type; ----------------------- ------------ --- Single Zone CAV Sizing Calculation Information Calculation Months------------------------------------------------ Jan to Dec Nhtral Cooling Coil Sizing Data Totalcoil loa&------------------------------------------------------------------------- 3.8 Total coil load: ----------------------------------------------------------------------- A6.1 Sensible coil load: ................................................................ 43.3 Coil airflow: ................................... ----------- -----------...........1606 Sensible heat ratio: ------------------------------------------------------- --- 0.960 Area per unit load------------------------------------------------------------- 542.9 Load per unit area-------------------------------------------------------------22.1 Tons MBH MBH CFM sgfb7on BTU/(h r-sgft) Central Heating Coil Sizing Data Max coil load --------------------------------------------------------------------------- 28.8 MBH Coilairflow----------------------------------------------------------------------------- -1606 CFM Load per unit area-------- ........................................... ------------- 14.1 BTU/(hr--sqft) Supply Fan Sizing Data Actual max airflow: ---------------------- .--..---------------------------------- 1606 CFM Standard airflow�------------------------------------------------------ ___ ---- 1581 CFM Actual max airflow per unit area: ..................................... 0.79 CFWsgft Outdoor Ventilation Air Data Design airflow:............................................... .....................102 CFM Airflow per unit floor area:.._.--_ ---------- ------------------------------- 0.05 CFM/sgft Space Sizing Data Number of zones:-.------ --.................................. 1 Floor Area----------------------- ------------------- ------------------------2040.0 sqft Location: --------------------------------- -------Seattle IAP, Washington Calculation method:.________._ Transfer Function Method Load occurs at: ...................................... ......................Jul 1400 OA DB 1 WB:. - -------•-----------------------------------------84.5164.8 F Entering DB / WB------------ -------- ................................. 83.9166.1 F Leaving DB 1 WB:........................... . ----------------------58.5156.8 F CoilADP------------------------------------------------ - -- - - - - -----------------55.7 F Bypass Factor ------------------------------------------------- ---0.100 ResultingRH------------------------------------------------------------------------------ 54 % Design supply temp:_ -----------------------------------------------------55.0 F Load occurs at:.------------------------------------------------------- Des Htg Ent DB 1 Lvg DB: ........................ -------------------------68.1185.0 F Fan motor BHP----------------------------------------------------------------------0.94 BHP Fan motor kW:------ ................................. ------------------------------0.70 kW Fanstatic:----------------------- - ---------------------------------------- in wg Airflow per Space Name Maximum Design Time of Peak Maximum Space Space Cooling Airflow Load Heating Floor CFMlsgft Sensible CFM Load MSH Area MSH sqft Offices 27.3 1606 Jul1400 27.2 2040.0 0.79 REVIEWED m CITY OF EDMONDS 411111 eLt41�I�J 10.00 CFM/person RECEIVED Feb 15 2022 CITY OF EDMONDS DEVELOPMENT SERVICES DEPARTMENT Block Load 4.16 Page 1 of 9 System Design Load__ summary for DefaultSystsm Project Name: Salish Suite 186 01/25/2022 P.re ared-b•.eatde-.M.echanicaL._...-..____._ _ —_..._..---....:.:.. ._,._..._...- 09:47AM DESIGN COOLING DrESIGN HEATING Jul 1400 OADBIWB84.5F184.SF Design Heating Day OADBIWB23F119.2F Zone Loads based on TFM Details Sensible BTUIhr Latent BTUIhr Details Sensible BTUIhr Latent BTUIhr Window and Skylight Solar Loads 60 sqft 2674 60 sqft Wall Transmission 612 sqft 1020 612 sqft 4976 Roof Transmission _ _ 2040,s ft4590_._. .__....__,. - 2040 sqft 10547 Window Transmission 60 sqft 252 - 60 sqft 1658 Skylight Transmission 0 sqft 0 - 0 sqft 0 Door Loads 0 sqft 0 - 0 sqft 0 Floor Transmission 2040 sqft 0 - 2040 sqft 1383 - PardtionslCeilings 2448 sqft -3020 - 2448 sqft 6120 - Overhead Lighting 2040 W 4872 0 W 0 - EI_ectric E ul mant - _ 3500 W 11942 - Owl 0 - People 10 2499 2091 0 0 0 Infiltration - 0 0 - 0 0 Miscellaneous - 0 0 - 0 0 Safety Factor 10% 110% 2483 209 10% 2468 0 »Total Zone Loads 27152 0 Thermostat and Pulldown Adjustment - -260 0 - -1074 0 Plenum Wall Load 0% 0 0 0 - Plenum Roof Load 70% 10709 - 0 0 - Plenum Lighting Load 30% __. _._ 2088 _ - 0 0 - Vent iation Load 102 CFM 1080 -521 102 CFM 5060 0 Supply Fan Load 1606 CFM 2382 - 1606 CFM. -2382 . na Total System Loaft 43311 1770 28757 0 Central Cooling Coil _ - 43311 1781 0 0 Central Heating Coil 0 - - 28757 as Total Coil Loads 4& 1781 28757 0 Key. Positive Negative values are clg loads values are htg loads Positive values are htg Negative values are clg loads loads Block Load 4.16 Page 2 of 9 zone Design Load Burn nary for DefaultSystem Project Name: Salish Suite 186 01/25/2022 IGN COOLING MIGN HWIRU Joel 1400 Design Heating Da OA DB I WB 84.5 F 164.8 F OADHIWB23FI19.2F Thermostat Set ofnt 74.0 F Thermostat Setpoint 70.0 F Zone Loads based on TFM Details Sensible BTUIhr Latent BTUIhr Details Sensible BTUIhr Latent BTUIhr Window and Skylight Solar Loads 60 sgft 2674 60 s ft - Wall Transmission _ _ 612.5 ft __. 1020 _ - 612 sgft 4976 - Roof Transmission 2040 s ft 4590 - 2040 s ft 10547 - Window Transmission 60 s ft 252 - 60 sgft 1658 - Skylight Transmission 0 sgft 0 - 0 sgft 0 - Door Loads 0 sgft 0 0 sgft 0 - Floor Transmission 2040 sgft 0 2040 sqft 1383 - Partitions/Ceilin s 2448 sgft -3020 2448 sgft 6120 - Overhead Lighting 2040 W 4872 Ow 0 Electric Equipment 3500 W 11942 0 W 0 People 10 2499 2091 0 0 0 Infiltration - 0 0 - 0 0 Miscellaneous - 0 0 _ 0 0 Safety Factor 10% / 10% 2483 209 10% 2468 0 ya Total Zone Loads 273121 27152 0 Block Load 4.16 Page 3 of 9 Project Name: Salish Suite 186 System PsychrometricsforDefauftSystem 01/25/2022 Prepared by: Seattle Mechanical 09:47AM Location: Seattle LAP, Washington Altitude: 449.0 ft Data for: Jul DESIGN COOLING DAY, 1400 1. Outdoor Air 2. Mixed Air 3 S1 1pply Pan Q it! atf , i 4. Central Cooling 5. Room Air 6. Return Plenum Coll Outlet Outlet 0 40 50 60 70 80 9 i 0 1 ()n Temperature (F) 0.020 0.018 0.016 0.014 Cn -a CD 0 0.012 0 0.010 3. CL 0.008 Cr 0.006 — 0.004 0.002 AM Block Load 4.16 Page 4 of 9 Ventilation Sizing Summary' for ®efaultSystem Project Name: 5alish Suite 196 01/25/2022 Summa' Ventilation Sizing Method----------------------- ----Sum cf Space OA Airflows Design Ventilation Airflow Rate- -------------------------- - - ------------------------------------------- ----- -- 102 CFM Space Ventilation Analysis Table Space dame Floor Area Maximum Maximum Required Required Required Required Uncorrected sgft Occupants Supply Air Outside Air Outside Air ` Outside Air Outside Air Outdoor Air CFM CFM/Person CFM/s ft ` CFM % of supply) CFM Offices 2040.0 10.2 1606.4 10.00 0.00 0.0 0.0 102.0 Totals 1606.4 102.0 Block road 4.16 Page 5 of 9 ou Project Name: Salish Suite 186 m 01 /25/2022 DESIGN MONTH:JuI Hour OA TEMP F SUPPLY AIRFLOW CFM CENTRAL COOLING SENSIBLE MBH CENTRAL COOLING TOTAL MBH CENTRALI HEATING COIL MBH PREHEAT COIL MBH TERMINAL COOLING COILS MBH TERMINAL HEATING COILS MBH 0000 70.0 1606 21.0 21.4 0.0 0.0 0.0 0.0 0100 69.1 1606 20.6 20.9 0.01 0.0 0.0 0.0 0300 68_2 67.4 ----1606 1606 __.-20.6 18.8 21.0 19.0 0.0 0.0 _ .. 0.0 0.0 0.0 0.0 0.0 0.0 0400 66.9 1606 17.6 17.6 0.0 0.0 0.0 0.0 0500 66.7 1606 18.3 18.4 0.0 0.0 0.0 0.0 0600 67.1 1606 19.3 19.5 0.0 0.0 0.0 0.0 0700 68.0 1606 23.8 24.4 0.0 0.0 0.0 0.0 0800 69.6 1606 27,5 28.3 0.0 0.0 0.0 0.0 0900 72.0 1606 30.5 31.4 0.0 0.0 0.0 0.0 1000 74.8 1606 33.5 34.5 0.0 0.0 0.0 0.0 1100 77.9 1606 37.0 38.3 0.0 0.0 0.0 0.0 1200 80.8 1666 41.0 42.6 0.0 0.0 0.0 0.0 1300 83.0 1606 41.3 42.8 0.0 0.0 0.0 0.0 1400 84.5 1606 43.3 45.1 0.0 0.0 0.0 0.0 1500 85.0 1606 42.5 44.2 0.0 0.0 0.0 0.0 1600 84.5 1646 39.9 41.4 0.0 0.0 0.0 0.0 1700 83.2 1606 38.3 39.8 0.0 0.0 0.0 0.0 1800 81.2 1606 34.1 35.41 0.0 0.0 0.0 0.0 1900 78.8 1606 31.2 32.5 0.0 0.0 0.0 0.0 _ 2000 2100 76.4. _ 74.4 1606 - __--. 1606 _ _ 26.1 -_ -_ _ 25,6 26.8 --_ _ . 26.4 0.0 0.0 _ 0.0 OA 0.0 0.0 0.0 0.0 2200 72.6 1606 24.6 25.3 0.0 0.0 0.0 0.0 2300 71.1 16061 22.1 22.5 0.0 0.0 0.0 0.0 Loads calculated using Transfer Function Method Block Load 4.16 Page 6 of 9 .......... Hourly Zone Loads for ®efaultSystem Project Name: Salish Suite 186 01/25/2022 -Prepared-by: _____._..._..._..___...._...09:47AM Hourly Zone Loads DESIGN MONTH: Jul Hour OATEMP F ZONE TEMP F RH (%) ZONE AIRFLOW CFM ZONE SENSIBLE LOAD BTU1hr TERMINAL COOLING COIL BTU1hr TERMINAL HEATING COIL BTU1hr ZONE HEATING UNIT BTU1hr 0000 70.0 74.4 70.0 1606.4 17506.0 0.0 0.0 0.0 0100 69.1 74.3 70.0 1606.4 16854.1 0.0 0.0 0.0 0200 68.2 74.1 70.0 1606.4 16221.0 0.0 0.0 0.0 0300 67.4 74.3 72.0 1606.4 15650.1 0.0 0.0 0.0 0400 66.9 74.4 73.0 1606.4 15147.0 0.0 0.0 0.0 0500 66.7 74.3 73.0 1606.4 15189.7 0.0 0.0 0.0 0600 67.1 74.4 72.0 1606.4 16310.4 0,0 0.0 0.0 0700 68.0 74.2 68.0 1606.4 18082.6 0,0 0.0 0.0 0800 69.6 74.3 65.0 1606.4 19993.5 0.0 0.0 0.0 0900 72.0 74,5 63.0 1606.4 21865.4 0.0 0.0 0.0 1000 74.8 74,6 62.0 1606.4 23203.1 0.0 0.0 0.0 1100 77.9 74,6 59.0 1606.4 24815.2 0.0 0.0 0.0 1200 80.8 74.4 56.0 1606.4 26152.3 0.0 0.0 0.0 1300 83.0 74.6 56.0 1606.4 26896.3 0.0 0.0 0.0 1400 84.5 74.3 54.0 1606.4 27311.8 0.0 0.0 0.0 1500 85.0 74.4 54.0 1606.4 27252.8 0.0 0.0 0.0 1600 84.5 74.5 56.0 1606.4 26663.4 0.0 0.0 0.0 1700 83.2 74.3 56.0 1606.4 25643.9 0.0 0.0 0.0 1800 81.2 74.4 59.0 1606.4 24214.6 0.0 0.0 0.0 1900 78.8 __.. 74.2 _ 60.0 _ 1606.4 .22629.8 0.0 0.0 0.0 2000 T 76.4 ___..... _ 74.5 _. _ 65.0. 1606.4, _ .... ..21050.7 0.0 0.0 0.0 2100 74.4 74.31 65.0 1606.4 19990.3 0.0 0.0 0.0 2200 72.6 74.21 66.0 1606.4 19055.4 0.0 0.0 0.0 2300 71.1 74.41 69.0 1606.4 18226.3 0.0 0.0 0.0 Loads calculated using Transfer Function Method Block Load 4,16 Page 7 of 9 siyatem Psychrometrlcs Table for DefaultSystem Project Name: Salish Suite 186 01/25/2022 DESIGN COOLING DAY, Jul 1400 TABLE is SYSTEM DATA Component Location Dry6Bulb Temp F Specific Humidity Ibfib Airflow CFM Sensible Heat BTUIhr Latent Heat BTUIhr Ventilation Air _ ___ Inlet 84.5 0.00881 102 1080 -521 Vent - Return Mixing Outlet 82.5 0.00984 1606 - - Central Cooling Coil Outlet 58.5 0.00960 1606 43311 1781 Central Heating Coil Outietl 58.511 0.00960 1606 0 Supply Fan Outlet 83—.9T 0.00984 1606 2382 Zone Air - 1 74.3 0.00991 1606 27052 2300 Return Plenum Outletl 82.31 0.00991 15061 12797 - Site Altitude = 449.0 ft Air density x Heat Capacity x Conversion Factor = 1.0626 BTU/(hr-CFM-F) Air Density x Heat of Vaporization x Conversion Factor = 4670.1 BTU/(hr-CFM) TABLE 2: ZONE DATA Zone Name Zone T-stat Mode Zone Temp F Zone Airflow Reheat Coil Sensible CFM Load BTUIhr Load BTUIhr n/a _ __. 27312 Cooling 74.3 1606 0 Block Load 4.16 Page 8 of 9 M Project Name: Salish Suite 186 tem 01 /25/2022 TABLE 1; SYSTEM DATA WINTER DESIGN HEATING Component Location Dry -Bulb Temp F Specific Humidity Ibllb Airflow CFM Sensible Heat BTUIhr Latent Heat BTUIhr Ventilation Air Inlet 23.0 0.00125 102 -5060 0 Vent - Return Mixing Outlet 66.7 0.00125 1606 - - Central Cooling Coil Outlet 68.1 0.00125 1606 0 0 Central Heating Coil Outlet 85.01 0.001251 16061 28757 - Supply Fan Outlet 68.1 0.00125 1606 2382 - Zone Air - 69.71 0.00125 1606 -26078 0 [Return Plenum Outlet 69.71 0.001251 1506 0 - Site Altitude = 449.0 ft Air Density x Heat Capacity x Conversion Factor=1.0626 BTUI(hr-CFM-F) Air Density x Heat of Vaporization x Conversion Factor = 4670.1 BTU/(hr-CFM) FABLE 2: ZONE DATA Zone Name Zone T-stat Mode Zone Temp F Zone Airflow Reheat Coil Sensible CFM Load BTUIhr Load BTUIhr nla -27152 ,.._.____ Heatin .... _._ .. _ _ 69.7 1606 0 Block Load 4.16 Page 9 of 9