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i <br /> . �' � �'I U� rU - c �13 <br /> � - <br /> MEMO from ' `� _. ._ ..__,.. ,�� �-. <br /> � :; <br /> SVI/EDE HVAC, in►c:' , � ������ �) �� <br /> 8424 11`h Place NE, Lake Stevens, WA 98258 Cell: 425.508.89fi4 ,; _;� �•T i <br /> Email: swedehvac@hotmail.com' <br /> 2 page memo <br /> 2 sets of updated �rawings attached <br /> 1 set of selecte� portions from CanAm's structural salculations for roof inembers <br /> TO: City of Everett/Engineering & Public Services Depariment <br /> ATTN: Meg Haley <br /> DATE: Novembsr 5, 2008 <br /> RE: RESUBMITTAL RESPONSE LETTER: Builders Investment Groua New <br /> Buildinq - Mechanical <br /> Presenting response and updated documents addressing following issues: <br /> 1. Penetrations are prohibited through the exit enclosure per IBC sections 706.8.1, 1020.1.2 and <br /> 1021.5. <br /> a. Please revise or clarify the distribution of furnace condensate through exit stair#2 as <br /> indicated on the first !loor, sheet M-1. <br /> b. °lease review or clarif}the distribution of gas runs to the rooftop units as shown �n the <br /> third floor through exit stair#2, sheet M-3. <br /> Response: <br /> a. Design was revised to show furnace F-1 condensate PVG drain Iine and <br /> refriperation line set running uut in drop ceiling on East side of furnace Closst <br /> and penetrating low on exterior wall East of Stair#2; Piping relating to furnace <br /> F-1 are no longer penetrating Electrical Room or Stair#2. <br /> b. Desiyn was revised to show gas runs for rooftoa aas packs penetrating <br /> North wall from meter manifold, rising in furring of Stair#2 via 1°�2nd 8� 3`� floors <br /> up to roof, and running on top of roof to each gas pack. Gas furnaces suopiv <br /> runs are shown running exposed along outsideof North exterior wall, penetrating <br /> wall East of Stair#2, rising in furring tu drop ceiling space, and running out to <br /> furnaces. <br /> 2. Shafts that interconnect more than two floors require a one-hour rating, per IBC sec:tion 707.2 <br /> exception 7.1 and IBC section 707.4. Piease review the mechanical design with the architect <br /> so that the building permit drawings can be updated to refilect the required shafts and opening <br /> penetrations throuc�hout the three story building for the rooftop air handlers, the toilet exhausts, <br /> and other mechanical ductwork required for this permit submittal. <br /> �ljz <br />