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Home My WebLink AboutPermit Building 2002-12-10 (2) Dec-l0-2002 02:57pm > From..K , A En/l"ineerinl. Inc. +541-684-9358 T-065 P.001/006 F-030 , I ,. I a t'ngln..rlng K a A Engineering, Inc. P .0.80123624. Eugene, OR 97402 521 MarkBt St, Suite B, Euglne, OR 97402 (541) 684-9399 Voice (541) 684.9358 FAX December 10, 2002 Fax To: Bob Barnhart - City of Springfield From: Michael RembO/dt, P.E. Far. 726~ 3 (..., ~ Pages: 6 Subject: 3327 Amblesl~ Dr, - River Valley Builders DatI: 12.{1012oo2 Bob Greg Larkin of River Valley Builders asked me to fax the attached report for 3327 Ambl88fde Dr, I do not have the city number for this project, . Thank you for accepting this "PDrt. Please call melt you haVe any questions at 684-9399, Sincerely, ~'. :, ~. -" . ~ "-J." . . ...-L.... MIChael Remboldt, P.E. K & A Engineering, Inc. Oec-l0-2002 02:57pm From-K &.A Eniineerina, Inc. +541-684-9358 T-065 P.002/006 F-030 Communily Serviccli Oi", Building StlfelY CITY OF SPRINGFIELD, OREGON 22.5 5th Street. Springfield. OR 97477 Ph. 726-3759 Job Address 1. , UAmb.:1 A c: of de.-L'''' City Job 4# AMBLESIDE MEADOWS SUBDIVISION-1ST ADDI-AlON I site Investigation Questionnaire fqr Consulting Design Professionals foundation requirements - new structures on residential lots This form may be used as a temporary verification totJlowconstruction to continue ,. .... on the j~b site until the consultant's stamped atlidavifpn the site soU compaction and stabilization Is submitted to the City. This form mUst be completed ~y a licensed design professional (engineer or ardlltec:t) or hislher authorized employee, and submitted to the buDding inspector prior to requesting Cityinspedloas or placing foundation COB.;.....~. It is important that all questions be answered . completely for the foundation site to be approved tor coDstnidlon. Owner and/or Contractor Ri ve t...YJ 1 1 ~ v ~u i 1 ders I 1. Date of the deslgn professional's site evaluation? 1'> Jr.J?QQ" 2. Has the design professional reviewed a copy of the potedmic:allnfonnatioD for the subdivision that waS provided with thebuUcUng permit? Yes.uNo_ If not, please contact this ojJice for a copy of the report. The design professional must be familiar with the geotechnical information before completing this form 3. What was the size and depth of the excavation and lor till? EwYat10n -wr t.h~ h'2.IL~p was approll:1mlth1>, 4n' It 4S' Depth at SE corner 3.51. 2.0' at. SW corner. Step in arade__l/2-wav between north and south of excavation of 5.0' at east and '.51 at west side. uvera II nil n lmum cut was I.U teet. . !t:iei..':'9f'dlluiar Ti II (;ons1s'tlng OT ;'-lncn open grCloet1 angUlar qUdr.ry rock and cr, <Hlg. from 4-inches to 12-i.nche51 were Dtlaced 011 the. excavation. Was eXIstJllgnon-structural fill or expansive SOl enCOUnlere4 on me'Iot? .. Yes X'Wo . If"YeS~', whit tyP-e}, deoths and locations? Generally so; 1 s on the pad conmtecofTI to 2.5-Tt. Of daf'k brown sandY-S1ltS tresloual SOliS) over LUII;~ l. L. VWII W~cll,.;It:1 lo:Ulouif \G~~j\J\.~). TIl\;~UIJ'" I..V 3;' J.l,"ht:~ u{ 'the weK-l.:.{e~Tn .:alfle are~u of tl... _".."'...l:...., ;;;~.J'"-b.. ..I,~.,nS"';..... What measures were taken.to remedy the soil condition (include type of .engineeredfillusedtostabilizethesoiJ)? 1) the Questionable soft. weathered tuff was removed. 2) the depth of the excavation, overall, combined with the oep'tn .or n Iltnn W1J I .De placed aga1nst tne tounClat1on W1 II mall'itain ~~ClLh; Juol"I.u,,= \,;UII~t:II~ III I,.i.e wech..;~ereci '(..u,i". 1 Dec-l0-2002 02:57pm From-K & A,Eniineerini, 'nc: +541-684-9358 T -065 P.003/006 F-030 Community Servicell Djv, Building SatCllY CITY OF SPRINGFIELD, OREGON 225 Slh Slr~~I,Springficld, OR 97477 Ph. 726-3759 Job Address 3327 Ambles1de Dr. City lob 4t Is the site as prepared adequate.J{!J i1aadequate 0 to maintain constant moisture content in the sub grade? Note: Verification olmoisture stabilization in the sub grade is a requirement of the geotechnical report. and must be tJ.ffirmed before conStruction can continue. If inadequate, what measures are needed to provide constant moisture content in the sub grade? Is the site as prepared adequate Iil inadequate 0 to support the"~loIio',...sed stnleture? An affirmative fJ.I1.rwer is requisite to proeeedingwith construction. If inadequate, what adcUtJonal work is needed to provide adequate foundation support? 4. Did the design professional witness placement and compaction of the engln~ed nUt or Is there a special inspec:tlon report forthcoininl from 8 qualified agency? I wimessed PlacementJ4iJ $pecifll Insp/compaction report 0 .Tfla.graun.ular .fi:ll 1S yary dens.e. and Su.ita.bl~LP1~e.d. . 5. The design professional mterids to use the tolloWIDg ~wOd for JDstaJlation 01 perforated perimeter footing dnins: The design on the attached drawing provided by the design professional ..,... 0 The method shown on the original constrUction drawings......................... .(g . The typical <Foundation Drain' drawing attached to t',,,,&...Jt ..................... 0 Perforated perimeter drains are not required ~........,..................,.......... 0 Comments: e..e.J~JI3.t,f'or -9~otiA9 dr.~"\l il:lould R9t Di "?'FU:li"til~ t~ ~~::f grdA system. Note: City inspectors will inspect installed drains prior to cover upon request... Call: 726-3769.toschedule inspection, , 2 Dec-lO-2002 02:58pm From-K & A Ensineerini. Inc. +541-684-9358 T-065 P.004/006 F-030 CommunilY Services Div, Building Safely CITY OF SPRINGFIELD, OREGON 225 5'h Street, Sprlngfield, OR 91477. Ph. 726-3759 JobAddress 3327 Amblesfde Or. Ciry Job # Low-point crawl space drams are required to prevent the bulld-u.p of excess moisture Inside the foundations during (and after) construction. ThIs drain maybe installed ~.. foundation pla(elDeDt onlv with the ~~ qermt'-~loD o~ ~e tJ.~irm ",J" "f: ...~Jilio~ a. The design professional has determined the following: The crawl space drain is required when l~ foundation isinslalIed..... D The low-point drain can be installed after foundation placement without a significant moisture build-up problem within the foundation.........:... ~ (The low-point drain may be installed at the fram1 no stage of construction) .pi>>t & H-. framillG. rooji"R, lie. b. Has the design professional observed and approved the installation olthe required low point drain?......" ".......................... Yes, No xx if 'yes", where is the low point drain locaredUlUkr the building and where does it-terminate at this time? (must be an apprl,ved lccation. i.e. street gutter, storm sewer, sump pump and discharge line to the street, etc,) The design professional must determine whether the approved permit drawings have adequate foundation steel: Is any aui~onaJ foundation steel required that is not shown on the foundation drawings for the building? Yes. No xx. If "yes", describe additional steel required (or provide drawing). The/allowing statement must be signed by the individual doing the observations and providing direction for the excavation and site preparation work on the property. 3 Dec-10-Z002 02:58pm From-K & A Eniineerini, Inc. +541-684-9358 T-065 P.005/006 F-030 Community Services Di\'. Building Safety CITY OF SPRINGFIELD, OREGON 22:'i 5'" Strccl, Sl"ringfield. OR 97477 Ph,726-3759 Job Address . ~327 AmblesideOr. City Job # The undersigned tlesign proles~ional (or lIuthori:.etlemployee) attestl that helshQ obsened required mouwB stability procedures on this site, tmd duIt ,ueh procedures . were tlCcomplished before tlfty clullag~s occur,edin the moisture co'*lIt of the sub- grade under and Qf'Oundthe building (where expansi,e soils were ,neountered). TAe untkrsigned ftu1her attests tIuzi tU lab-Irt1lle, as prepared, is lUletpUlteto support the buUdtng proposed lor this flU. . Additional eomments: (Note): A copyot tbfs report shall be kept on site with the approved plans at all tima. ' This report shall be followed by an aftidavi~signed and stamped by the design professional under whose auspices this report was complef;ed. affinning the information herein, The signed/stamped affidavit together with a copy of this report shall be submitted to this office. pnorto requesting framing inspection for the building. Signatur~ . ~ Name Mic.hael R~mboldr . Title Prf!!:;d~nt Company ~& A Enai neerinQ. loc, . Phone 684-9399 Llcensee~1 chae 1 Rembo 1 dt License # 1947.4PE expnes12/31/2002 The geotechnical report for the Ambleside Meadows - 181 Addition Subdivision recommends immediate moisture stabilization of exposed expansive sub-grades. and that expansive soils be over-excavated and replaced with at least 12 inches offIll c........!"acted to at least 95% of ASTM.D698 for foundation preparation. The report also reCommends that measures betaken to prevent water f....6ucollectiilg in or around the foundation 8M8S dwingand after th~construction process. and that positive site drainage be provided to . reduce the infiltration of surface water into the expansive soils. The geotechnical report further emphasizes that the finish grade of landscape soil adjacent to the foundation sbould be at least 24" above the expansive bearing soils, firmlv comnacted to reduce the infiltration of water at the surface. . The adequacy of fill soil material around the building must be verified to the satisfaction of the design .t'.. ,,'~.;.ssional. 4 Dec-l0-2002 02:59pm From-K & A Eniineering, Inc. +541-684-9358 T-065 P.006/006 F-030 Community Services Div, Building SafelY CITY OF SPRINGFIELD, OREGON 22~ S"b Slreet. Springfield, OR 97477 Ph. 726.3759 Job AddreS8 City Job # 3327 Ambleside Dr. ..... Affidavit For Site Investigation Questionnaire Foundation Sub-Grad~Approval for ResiQ.ential Building Site in Ambleside Meadows..,. 1 st Addition Subdivision The undersigned hereby affirms that the excavation, structural fill and moisture stabilization methods for the building site at the address shown above was observed by me or an authorized employee of my flnn and that the fOllowing is trUe: 1, The foundation sub-grade is capable of supporting a minimum of 1500 psf, and is adequate to support the building proposed for this site. 2. The moisture. content of the excavation was adequately maintained during the site .t'1o.....t'aration process and was adeq~ately covered to stabilized moistUre content prior to any significant change in moisture content of the sub-grade. 3. The site is adequately graded and drained to prevent the collection of water in the excavated area during construction, 4. The accompanying report titled "Site Investigation Questionnaire for Consulting Design Professionals" containing field observations and instructions made on 12/10/200:;1 (date) for the building site was w~u.pleted either by myself or by an employee of my firm under my supervision. To the best of my knowledge. the information contained in that report is compl~te and accurate, Name of Licensed Professional (print) Mi c ha ~ 1 I?pmnn 7 "'1- Date 12/ 1 0/2002. ~. fir' '~4:46~ s. . r:.. \ f-.;}. ~~.o....ORlQOJlW ..8.... ~~B~~~ "I'( ." " . ~.'V~ . DENNIS ~ EXPIAES:...~&'1.- Si~ ~ ~ -4 ~--