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HomeMy WebLinkAboutPermit Correspondence 2008-2-12 .-J ~2~12/2008 15:50 FAX 541 687 945~ CHAMBERS CONST. . ~001 CHAMBERS CONSTRUCTION SIN ,C E 1 9 5 5 3028 Judldll8 Road #I, ~, OR 97403 Phone: {6411887-9445' Fax: {6411887-8451 CCB , t 14258 FAX TRANSMITTAL COVER SHEET TO: Robert Castile, City of Springfield FAX II: 726-3676 FROM: Brian Erickson RE: PacificSource Emergency Generator C0M2007-00843 DATE: 2/12/08 NUMBER OF PAGES INCLUDING THIS COVER SHEET: 2 If you do not receive all pages, please call (541) 687-9445 as soon as JlOssible Memo: Attached is the final finish grade elevation confi.......~:on dated 1/30/08 from Balzhiser & Hubbard Engineers for the above referenced project ....... 02;\12/2008 15: 50 FAX 541 687 945. C.T. BALZHISER & HUBBARD ENGINEERS . ~002 ('~r"'''r''"lr:'''''' ro. .~ ". ...... ....;l' Cf'lri~ "'t":,.. .. . . ". ~I J. II. ;. . . MechanIcal. Eleclrical . Civil . Su~ing JAN, 31 Z006 r:~'~~n .-r-'\ . ...... - ...:.,.. ....:. January 30. 2008 Brian Erickson Chambers Construction Company 3028 Judkins Road, No. I Eugene, OR 97403 ~---- .' Re: Generator pad finish grades for Pacific Source at no International Way " .' ----- -._-- -.-.--.-.- .....,. - ----.- ~. -- ------- Dear Brian: On January 28th, survey personnel from Balzhiser & Hubbard Engineers visited the Pacific Source site at 110 International Way in Springfield to check the finish grade of the recently constructed generator pad at that location. A level circuit was run from the nearby Lane County Control Monument LCCM 1219, which has a published elevation of 433.56 feet based on the NGVD '29 datum. The NGVD '29 datum is used for the Flood Insurance Rate Maps in the local area and differs slightly from the datum used by the City of Springfield. Based on the results of this survey, the elevation on 'the top of the concrete generator pa',I~\Va,~,detennined tp be.431.11 f~ The 100-year flood elevation at this location, based on FIRM Map Number 41039CI134 F, is approximately 429.4, placing the top of the pad and the equipment a little over one and one-half feel above the expected 100-year flood. " :': " ,,' Based on my conversation with City building officials, this letter should serve as the certification they are requesting as a part of processing permit numbe, C0M2007-00843. If there is anything else we can help you with, please don'l hesitate 10 call. Since,ely, ; RI::G 1ST E:'RE::l \ PROFESSlmJAL i LAND 5URVr.:'t:>~l I Clell Goodwin, PLS Survey Manager ~~bOll\ ) (\HF.GON . ~.;: JUly 30. lUll ClEll GOODWIN 1076 ~ .. ,',-. ,', .,.' "',', .. ,'... . . .... ", .:.' .. EXPIRATION DATE: JUNE 30,2009 '\.r . . . . P:\77~urveyl8";'tio~ ~catiDn,dDC .... . :.. ..' 1: '. .: '. "'j . I' .''': ~..: ' 100 West 13th Avenue, Eugene, Oregon 97401 Phone: (541) 686.8478 . Fax: (541) 345-5303 www.bhengineers.com