Plans iltfv7sy
Latimer HVAC
CCB#220839
Outside Air Ventilation
AZ RP RA VBZ EZ VOZ OSA @ 25%from RTU
Room Code Max Ventilation Area Outdoor Exhaust Exhaust
Description/n Room Area Occupant Density Occupancy Factor Air Rate Breathing Zone Air Distribution Zone Outdoor Airflow Rate Airflow Min from Occupancy Classification Air Distribution Configuration
umbers (SF) (People/1000 SF) (People) (CFM/Person) (CFM/SF) Ventilation(CFM) Effectiveness Airflow(CFM) (CFM/SF) _ (CFM) Required RTU _
conf 500 50 5 0.06 155 0.8 193.75_ 0 _ 194 776 Conference room Ceiling supply and ceiling return
café 230 5 5 0.06 19.55 0.8 24.4375 0 25_ 100 Office space Ceiling supply and ceiling return
DECEIVED
NOV 2 0 2019
j\' Latimer HVAC CITY OF TIGARD
BUI • k I 0 k„-: HEATING•VENTILATION•AIR CONDITIONING r
; 6 y
Scope of Work C //U •
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Latimer HVAC will perform the following scope of work:
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1. Replace grills and diffusers. U
Equipment Schedule c (1)CT'
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1,2,3-Existing Terminal units. O
EF1- Existing inline exhaust fan. CO OD
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Mechanical General Notes:
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1. All steel ducting will be 26 ga minimum galvanized. Flex per Mfg. U (I)
2. Heating and cooling low pressure ducting to be designed to not exceed 0.5 we positive(supply). Med > O
pressure duct to new FPB not to exceed 1.5"WC. 0
3. Ceiling is plenum rated, provide sound boots on return grills. rci(11 al
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4. Relocate temperature sensor forTUs. E
5. Seal ducting with UL listed mastic or mastic tape. w
Ventilation Requirements-based on 2014 OMSC table 403.3
OFFICE COPY
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Latimer HVAC
CCB#220839
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