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� � <br /> �� ��; ,;:., r� ; <br /> I > ;., i:, 1i �"j l� (�1 <br /> � n <br /> ('! ' - � �?ss . t� �O�HVI14N <br /> October2, 1996 CITY pF EVERETT � w.�..,� <br /> Mr.Steven Miller F"G��c wori<s p;,��. <br /> City of Everett """'""'' <br /> Public Works-City Engineer ��^�,�,� <br /> Building Department o.,� <br /> 3200 Cedar Strect ,,,m�, <br /> Everett,Washington 98205 <br /> Project: Bceing Modular Office Building '^����° <br /> Everett,WA �,.�,� <br /> Subject Foundetion Ventilation Design """r^^ <br /> Dear Steve: <br /> Coffman Engineers is completing the design documents for ihe two-story modular office <br /> building to be installed at the Bceing Plnnt in Evcrett. As per our earlier conversation, we <br /> erc requesting a clarification to thc requirements for foundation ventilation openings. We <br /> refcrred ro lBC Section 23I7.7, and found thet one square foot of opening is required for <br /> every 150 squere feet of crawl-space floor area. The proposed modular building has a <br /> crawl-space area of 39,840 square feet. In orcler to achieve thc requircd arca, a total of <br /> (133) 1'-0" x 2'-0" openings would be needed. <br /> UBC 2317.7 also states that the amount of area can be reduced to 1046 of the area listed <br /> above, if en approved vapor retarder is provided to cover the under-floor ground surface <br /> and if approved by the local building official. Enclosed is a sketch showing the proposed <br /> locations of foundation vents for this project. We propose to provide (41) 1'-0" x 2'-0" <br /> vents along the north and south building walls. Vents could not be provided at seven <br /> locations along the south wall, due to the installation of ramps and walkways around the <br /> building perimeter. The proposed layout provides a total area of 82 square feet, or <br /> approximately one square foot for every 486 square feet of floor area. The proposed area <br /> amounts to approximately 3196 of the UBC Section 2317.7 baseline. <br /> We appreciate your timely consideration of this issue. Pleace note thut the building is being <br /> provided ro Bceing with a two yeur lease. <br /> Please contact me with any questions or comments regnrding this issue. My direct phone <br /> number is 521-07.54. <br /> Sincerely, <br /> �.�C �� <br /> Jack E. Roga" n, P,E. <br /> Mechanical Engineering <br /> JER:Ioj <br /> 96362/I 0006 <br /> Enclosure <br /> c: Mr. Garth Wilson—Evergreen Mobilc <br /> Mr. Allen Millzr—Evergreen Mobile <br /> Mr. Adam Kemer—Pacific Architects <br /> �w��,���2,.��,� ����,� �o�:•m. <br /> ku�+wx..�n 1!a•iRo k+a�Y wrv��pr nle� �.�h.y. ��,w��se� <br /> 2eeelle�vin7W�l�ll1s Se�AlD4B.3:^111NM p�P�{e1.fi�10�17W�7 <br />/ <br />