824 W CASINO RD BLDG L 2018-10-10

2015 Washington State my Code Compliance Forms for Commercial,R2 and er 3 stories and all R1 Fan Power Allowance Adjustment Factors MECH-FANSYS-DOC 2015 Washington State Energy Code Compliance Forms for Commercial Buildings including R2&R3 over 3 stories and all R1 Revised January 2017 TABLE C403.2.11.1(2) FAN POWER LIMITATION PRESSURE DROP ADJUSTMENT Device Adjustment Credits Fully ducted return and/or exhaust air systems 0.5 inch w.c.(2.15 inches w.c.for laboratory and vivarium systems) Return and/or exhaust air flow control devices 0.5 inch w.c. Exhaust filters,scrubbers,or other exhaust treatment The pressure drop of device calculated at fan system design condition Particulate filtration credit: MERV 9 - 12 0.5 inch w.c. Particulate filtration credit: MERV 13 - 15 0.9 inch w.c. Particulate filtration credit: MERV 16 and greater and electronically Pressure drop calculated at 2x clean filter pressure drop at fan system enhanced filters design condition Carbon and other gas-phase air cleaners Clean filter pressure drop at fan system design condition Biosafety cabinet Pressure drop of device at fan system design condition Energy recovery device,other than coil runaround loop (2.2 x energy recovery effectiveness)—0.5 inch w.c.for each airstream Coil runaround loop 0.6 inch w.c.for each airstream Evaporative humidifier/cooler in series with another cooling coil Pressure drop of device at fan system design conditions Sound attenuation section(fans serving spaces with design background 0.15 inch w.c. noise goals below NC35) Exhaust system serving fume hoods 0.35 inch w.c. Laboratory and vivarium exhaust systems in high-rise buildings 0.25 inch w.c./100 feet of vertical duct exceeding 75 feet Deductions Systems without central cooling device -0.5 inch w.c. Systems without central heating device -0.3 inch w.c. Systems with central electric resistance heat -0.2 inch w.c. w.c..=water column. For SI: 1 inch w.c..=249 Pa,1 inch.=25.4 mm.