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HomeMy WebLinkAboutPermit Field Test & Inspection Report 2001-5-22 r . "" Lo\.o€,'J ~ Q.t> '". .a K & A Engineering, Inc. P.O. Box 23624, Eugene, OR 97402 521 Market St., Suite B, Eugene, OR 9740'2 (541) 684-9399 Voice (541) 684-9358 FAX engineering May 22, 2001 Project 49.01 Grassroots Thinking 1135 Cal Young Rd Eugene, OR 97401 Subject. Single Family ReSidence, Lot 26 LevI Landing Springfield, OR Inspection of concrete footings and stem walls PURPOSE AND SCOPE At your request, we Inspected the cast-In-place concrete footings and stem walls for the subject project The purpose for our Inspection was and this report IS to develop and opinion regarding structural capacity of the foundation to support design dead and live loads imposed by the single-family residence . .1'" Ou't investigation and this report are'lImlted to the adequacy of the ,as-bUilt concrete, stem ,walls and footings for the Intended loads only , -, ,- ,H_ . INVESTIGATION AND FINDINGS We visually Inspected the cast-In-place concrete footings and stem walls for the house and attached garage The footings are a minimum of 8-lnches thiCk, and stems walls are 6-lnches for the house and 8-lnches thick In the garage Reinforcement apparently consIsts of horizontal and vertical steel (#4 deformed bars) as specified in the house plans Based on information obtained from the owner/bUilder (Mr and Mrs Cottew), the concrete was recently placed dUring one pour, footings and stem walls together The concrete was pumped to the forms from the street. Consolidation of the concrete was accomplished by vibrations from hammering the sides of the forms during placement The concrete appears uniform, sound, and reasonably consolidated WIth less than approxImately 5% of the exposed surface revealing aggregate or small VOids In places, a very thin, irregular, discontinuous contact between two pours In the stem wall could be observed This contact was approximately 4 to 8 Inches above the top surface of the footing We estimate that the contact surface IS VISible on approximately 60% of the stem wall . Based on our experience,'the,vlslble contqct suggests a very short tim,e (Ie~s t~ap !/2 ho~r) ela~sed between pours. The footing and stem wall appeared straight, plumb, and have uniform thickness ,~ . 1Il '\ K & A Engineering, Inc. ~) SUMMARY AND RECOMMENDATIONS There does not appear to be significant loss of section due to cold Joists, vOids, or reduced aggregate Interlock between pours Construction quality appears to be commensurate with good quality concrete matenals and placement for residential construction In this area We recommend acceptance of the as-built concrete footings and stem walls for this project by local bUilding officials LIMITATIONS OF THIS REPORT This report has been prepared for the exclusive use of Grassroots Thinking and ItS design consultants for the subject proposed structure This investigation, analysIs, and recommendations meet the standards of care of competent engineers providing similar services at the time these services were provided. We do not warrant or guarantee these recommendations The scope of our services does not include construction safety precautions, techniques, sequences, or procedures, except as specifically recommended In this report Our services should not be Interpreted as an environmental assessment of site conditions Thank you for the opportUnity to be of service. Please call us If you have questions or need further assistance. Respectfully, EXPIRES /1-./</ k L _ / / Michael Remboldt, P E Pnnclple, K & A Englneenng, Inc . Project. 49 01-Cottew Residence May 22, 2001 Page 2 of 2 a engineering May 25, 2001 Project 49.01 Mr Bob Barnhart City of Spnngfleld Community Services Dept 225 5th St Spnngfleld,'OR 97477 ~ , \ Subject Concrete Foundation Inspeotlon Slngle-fcmlly Residence, Lot 26, LevI Landing , , Dear Mr Barnhardt ~ l Enclosed IS a copy of the report of the subject inSpection, dated May 22. 2001, as per your request Please call If you have any questions Sincerely - co " If' ""' '" '<t to '" ;; If' )( ~ '" '" ""' '" '<t to '" ;; If' N 0 'r!. '" a: 0 '" c: '" en :J UJ CD '" ~ ci5 ci5 ... '" -t "' :::E , N If' ... c i: '" '" -= ... c: UJ :> " u o!S -;;; ~ ,C ..t:. " '" ... 0 '" c:l ~, ,', >~-~ ~~ Michael Remboldt, P E K & A Englneenng,'lnc . " ) .,