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HomeMy WebLinkAboutPermit Correspondence 1997-1-21 Jan-23-97 08:39P Mort~ Engineering ( 5, 484-6859 P.Ol _.iORTIER ENGINEERIN'C, P.C. "".,.."",-- .', .,- . ' ~;.,:..t"-)""~' .......:~... . '"...' " "/,'" ",\ 1 I:'\', "''k\:",,;:,:,.:.r~'''' ,!:):':' i<'rl'~l'- ;!::~~.:.: ":'~r)[\ .'0': ,{I ~I' -I"'~ L ~ ~:~; -' i; ,'~,- ~.:'. :;':~j V('/'.i1:~ ,,~;a.;,.j,.. i---,'~i ~v " ~~,~~1;l:i!IIIll~. W ~(q~;I'\'\\. " ~~...;,ty ....::~.. ~"j~...~''''' STRUCTURAL BUILDING DESIGN. FIRE PRor~CTION CODE CONSULTANT. PLAN CHECKING CONSTRUCTION INSPECTION PO. BOX 139 . 1246 PEARL STREET EUGENE, OREGON 97440 PHONE (541) 484-9080 . FAX (541) 484-6859 January 21, 1997 Jay R, Sherman 88248 Heather Drive Springfield, OR 97478 RE: 6766 BluebelL Springfield. OR - Excay_~on. Fill and Comoaction..lnspectioI} W.O, #9571-KMP As you requested, an inspection has been made during the pertonnance of the excavation and placement of gravel till on this site in preparation tor the construction involving foundations for the proposed residence. The excavation involved removal of surface organic soil and other unsuitable material and the placement 01'24/1 maximum of3/4" minus crushed rock in accordance with our standard procedures. The compacted surface of the crushed rock is adequate for a foundatinn bearing capacity of 1000 psr, which is adequate to support the propulSt!J conventional wood frame residence. The compaction of the gravel surface is greater than 95% of a standard proctor per ASTM D698-91, (See attached data sheet). -' I hope you find this report adequate for your needs and purposes at this time. Thank you for this opportunity to be of service. If you have further questions. please do not hesitate to contact me at 484~9080 ....rl ,'! Very truly yours, " i 'I ~ .., ..l Owen Grover, P,E. , EXPIRES: 6-30 'i.., 'I 'ltC/i) I ! .1 OLG/bjr ... MORTIER l:4~GINEERING, P.c. ..J. BOX 139 · 1246 PEARL STREH EUG!;NI!, OREGON 97440 PHONE (503) 484-9080 · FAX (503) 484.6859 STRUCTURAL BUILDING DESIGN. FIRE PROTECTION CODE CONSULTANT. PLAN CHECKING CONSTRUCTION INSPECTION FIELD UNIT WEIGHT .. SAND CONE METHOD Per ASTM D 1556 TEST NUMBER: DATE OF TEST: \ -- '2. \ ' "\ ",. W .0.- '1~ ~. \ TEST LOCATION: S TEST BY: t:~'-~ UNIT WE~ OF SAND USED FOR TI-US SAMPlE ! \ '( ,.~ "\ ' Is' (sand) = '!J.' \' "~.. VOLUME OF CONE (V 1) l!!! 0.0389 ftA3 FIELD TEST DATA Inltlol Weight of Jar + SOl'ld r;N 1) Weight of Jar + Sand after test (Wz) Volume of hole, WI - WJ. - Vi := V2 ~ Weight of soli sample (W 3) = -LI \~ (p \\' \ .C:> ~ II . I \ ~'t .~:, ('~r -""-'. ~. '.~ ...... \.: ..s:; "2.- \ '0 4 ,I Moist Ul'llt weight of soil fm = W~ == V; \ ?-) u.-, \ " '1':". 7 \ ',,- ). J Moisture content of sample, W% = fweioht moist) , (welaht drvl X 100 (weIght dry) \'::::>. '2 "j. I' Dry Unit Weight of Soli I'd = fm--. 1+ W% 100 \ \ C) ~~' \ , MOISTURE CONTENT weight of jar net weight Wet weight \"?~ \~ ' = \ 'to "') Dry weight I +~2- \? - \'~ 't. ') '. _ _ _ _ _ _ _ _ _ .. __ _ _ _ _ _ _ _ n __ _ _ u _ _ _ _ _ _ _ - - - - - - - - - .. - - .. -. - - -, - - .. - - .- - - - - - - - .. - - .- .. .. _. - .. - - - - - - - - - - - - -- - - -.. . - - - .. .- - - -. - .