Report MC2022—MoD
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EEIVED12 Latimer H V� DEFERRED SUBMITTAL REVIEW '
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IN GENERAL CONFORMANCE WITH CONCEPTUAL
HEATING•VENTILATION.AIR CONDITIO DESIGN
DEC 2 3 202y G ,.W.. IN GENERAL CONFORMANCE WITH CONCEPTUAL
DESIGN EXCEPT AS NOTED
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LITY OF (IGARD Consumer Cellular 2nd floor remc This submittal has been reviewed only for general conformance
3UILDING DIVISION with the conceptual design of the building and has not been
12447 SW 69th Ave Bldg C reviewed for conformance with any applicable codes or means
and methods requirements Nothing in this review is intended to
authonze any aspect of work that is not in accordance with
Tigard, OR applicable code requirements
By, pkim
I rG Date. 11.29.2021
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Scope of Work I J 221321
Latimer HVAC will perform the following scope of work: ARCHITECTS Project INC
1. Provide and install 2 new supply diffusers and 6 new plenum return grills for private offices.
Equipment Schedule
VAV1-4-.Exisitng VAV boxes.
Mechanical General Notes:
1. Air balance boxes to confirm minimum and maximum airflows. Min for OSA ventilation per box, max for
cooling comfort.
Size----Max
12" - 500cfm
10"- 300 cfm
8"- 175 cfm
6"- 80 cfm
Ventilation Requirements-based on 2019 OMSC table 403.3
Assume 20%OSA rate at RTU. Provide minimum airflow shown or greater thru terminal unit during occupied hrs.
VAV1- 300 sft VAV3-1890 sft
Persons-5 cfm X 5p/1000sft=7.5cfm Persons-5 cfm X 5p/1000sft=47.25cfm
Area-0.06 cfm/sft= 18cfm Area-0.06 cfm/sft= 113.4cfm
Vbz= 26 CFM Vbz= 160 CFM
Ez=0.8(supply and return in ceiling) Ez=0.8 (supply and return in ceiling)
Voz=32.5 CFM Voz=200 CFM
33/.2=165 CFM min 33/.2=1000 CFM min
VAV2-420 sft VAV4-600 sft
Persons-5 cfm X 5p/1000sft= 10.5cfm Persons-5 cfm X 5p/1000sft= 15cfm
Area-0.06 cfm/sft=25.2cfm Area-0.06 cfm/sft=36cfm
Vbz= 36 CFM Vbz= 51 CFM
Ez=0.8 (supply and return in ceiling) Ez=0.8(supply and return in ceiling)
Voz=45 CFM Voz=63.75 CFM
45/.2=225 CFM min 33/.2=319 CFM min
M 0 . 0
Latimer HVAC LLC
11230 SW Morgen Ct. (503) 290-1085 Oregon CCB 220839
Tigard, OR 97223 info@latimerhvac.com Washington LATIMHL825KQ