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Home My WebLink AboutPermit Field Test & Inspection Report 2002-9-10 'r Community Services Div, Building Safety CITY OF SPRlNGFIPT n, OREGON 225 5th Street, Springfield, OR 97477 Ph. 726-3759 Job Address City Job # 1,?O&f ~111\ , ':11 l:;~'" " .~~, ,."~r,'~;,~l,,~'i',;:.t-~:~ :'"",~~,~}"_";:' ,,::'~~,"~~i"~l"~,~'\:.!'..,,'.:.,,:._~,~,:J.:" ""::"~'" - AMBLES IDE l\1EADOWS SUBDIVISION--tST ADDITION Site Investigation Questionnaire for Consulting Design Professionals foundation requirements - new structures on residential lots This form may be used as a temporary verification to allow construction to continue on the job site until the consultant's stamped affidavit on the site soll compaction and stabilization is submitted to the City. This form must be completed by a licensed design professional (engineer or architect) or hislher authorized employee, and submitted to the building inspector prior to requesting City inspections or placing foundation concrete. It is important that all questions be answered completely for the foundation site to be approved for construction. Owner and/or Contractor H. k~ Jo..D~ D~UldW\)& 1"1-et"\1 1. Date of the design professional's site evaluation? ~ \ lOb "2- 2. Has the design professional reviewed a copy of the geotechnical information fo~ the subdivision that was provided with the building permit? Yes$:No_ If not, please contact this office for a copy of the report. The design professional must be familiar with the geotechnical info-rmation before completing this form. 3. What was the size and depth of the excavation and lor fill? . i/ -- -::;......, ~~ c...4JA..TL-8() ~ 'LODO .d1 {p - ~ ' t>~. Was existing non-structural fill or expansive soil encountered on the lot? _~es_No,l{ If "yes", what types, depths and locations? ~- ~-< ,[\ What measures were taken to remedy the soil condition (include type of engineered fIll used to stabilize the soil)? ~!,J.. 1 " Community Services Div, Building Safety CITY OF SPRINGFIELD, OREGON 225 5th Street. Springfield, OR 97477 Ph. 726-3759 Job Address City Job # '1; ~ t!> '" ~1'-t Is the site as prepared adequate. inadequate 0 to maintain constant moisture content in the sub grade? Note: Verification of moisture stabilization in the sub grade is a requirement of the geotechnical report, and must be affirmed 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"flS inadequate 0 to support the proposed structure? An affinnative answer is requisite to proceeding with construction. If inadequate, what additional work is needed to provide adequate foundation support? 4. Did the design professional witness placement and compaction of the N / ~ IJ engineered flll, or is there a special inspection report forthcoming from a qualified agency? I witnessed Placement 0 Special Insp/compaction report 0 s. The design professional intends to use the following method for installation of perforated perimeter footing drains: The design on the attached drawing provided by the design professional ...... ~ The method shown on the original construction drawings............... ..... ..... 0 The typical 'Foundation Drain' drawing attached to permit ..................... 0 Perforated perimeter drains are not required ....................................... 0 Comments: Note: City inspectors will inspect installed drains prior to cover upon request.~. Call: 726-3769 to schedule inspection. 2 Community Services Div, Building Safety CITY OF SPRINGFIELD, OREGON 225 Slh Street, Springfield, OR 97477 Ph. 726-3759 Job Address City Job # 1.- ~ 0i'I ~1~ Low-point crawl space drains are required to prevent the build-up of excess moisture inside the foundations during (and after) construction. This drain may be installed after foundation placement onlv with the exnress nermission of the desim nrofessionaI. a The design professional has determined the following: The crawl space drain is required when the fowuiation is installed..... c2t The low-point drain can be installed after foundation placement without a significant moisture build-up problem within thefoundation............. ~ (The low-point drain may be installed at the A f.-:l. '1' . stage of construction) post & beam,Jran:mg. roofing. ete. b. Has the design professional observed and approved the installation of the required low point drain?................................... Yes, No /< if "yes", where is the low point drain located under the building and where does it terminate at this time? (must be an approved location, 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 additional foundation steel required that is not shown on the foundation drawings for the building? Yes lr-~ No If "yes", describe additional steel required (or provide drawing). ~ ttL"H:\J-'~ e ~(P. The following statement must be signed by the individual doing the observations and providing directionfor the excavation and site preparation work on the property. ,\\ .:;. 3 " Community Services Div, Buildmg Safety Job Address ~ (::)~ CITY OF SPRINGFIELD, OREGON City Job # 225 5th Street, Springfield, OR 97477 Ph. 726-3759 ~1\4 The undersigned design professional (or authorized employee) attests that he/she observed required moisture stability procedures on this site, and that such procedures were accomplished before any changes occurred in the moisture content of the sub- grade under and around the building (where expansive soils were encountered). The undersigned fUrther attests that the sub-grade, as prepared, is adequate to support the building proposed for this site. Additional comments: (Note): A copy of this report shall be kept on site with the approved plans at all times. This report shall be followed by an affidavit, signed and stamped by the design professional under whose auspices this report was completed, affirming the infonnation herein. The signed/stamped affidavit together with a copy of this report shall be submitted to this office prior to requesting framing inspection for the building. Signature e.\G~ ~~':..~ - I ~-L v1. -' Name title rs.",(". .o.~!:ttl(,.. Company t-lb .e..\"~, e \l'\Co:. "'" l.",'h-l' \.1 l. Phone ~tJ4.- ~&e~ Licensee License # P la-N\ (.i;t...~ <; . .c:, '-\ b t.l.. .r ~ l-l. " l L ~ t ro 1"'\ expires {pf 1:>0' 0":) .-- The geotechnical report for the Ambleside Meadows _ 1 st 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 of fill compacted to at least 95% of ASTM D698 for foundation preparation. The report also recommends that measures be taken to prevent water from collecting in or around the foundation areas during and after the 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 should be at least 24JJ above the expansive bearing soils, fmnlv comoacted 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 professional. 4 \ I -et ~ 1""" · Community Services Div, Building Safety Job Addres~ 1.- ~~ I CITY OF SPRlNGFIELD) OREGON City Job # 225 5th Street, Springfield, OR 97477 Ph. 726-3759 ,# j~, "'~'/~: ; '\'" ~- f~. '~'"':~ :~"'H' '~<, ; ',;,~>'1:- ~'(-\ ~'t,: l-,i~_' i J ,1:' J _, /. :!, "''', ~ .J... t /.\ '; '~~1 ~. 1\~lI.'_,,~\,~:!'~;>' : :,'~' ,::l.- .\~~ - Affidavit For Site Investigation Questionnaire Foundation Sub-Grade Approval for Residential 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 firm 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 preparation process and was adequately 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 q /1 /) / /:) ~ ( date) for the building site was completed 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 complete and accurate. Name of Licens~d Professional (print) R .\I\I\,.Q \ G.., signa~wJA \~ Date '111'1 M 2-- I . ... EXPIRATION O.~lf Sl291 0 J. j. , I I CALCULATIONS STRUCTURAL BUILDING DESIGN. FIRE PROTECTION CODE CONSULTANT. PLAN CHECKING CONSTRUCTION INSPECTION wo# 't)c:Y....l'== t--=::> t2-t3l \r-r /-t....V'S . v,?oq '6/ ~ fM.I?G~ lo-e .... _ Vp.;;.ot v \ 'S l D n. P E::S \ (...,.l>~ e. E?I /-1 )...'>, /I (.,.. ~ />.- LL S H~ I "b B~68 A.~..:;;>ovr; - c:;. [....~ r? (?"b? 'I f2-~ I ~ t?;. D - t;.P'N ~-f-.- ~J?1_L:'~____ "36 -f~f - ------- \ \ h, t I. It? ;f/'/~ l' I ' I~i vvl \;-'1 Lt?PL- '10~' rz- --( t.-1 y\ L p L-> '" I H t?e?l- Fbt:>-rt-\ ?~6~' ;Jla. ~f? \ f?1>~ A~ :;;: J:: C;.l? 'P z.. ?t"i. O..f- .!1-.. ~ -&1 )L~/;~C~ OC1()) ~ l~~1 ~V'()) 1245 PEARL ST · EUGENE, OREGON 97401 CLIENT H /A.. ~./:::.. 0 l:::.- I {21'7- SHEET NO OF 9' CALCULATED BY DATE CHECKED BY DATE \ 't i77 Lo .1 EXPIRA1l0N DATE 6/30/03 \;-Ij;a(,.t,2 rz..~40l>\"r ,~7! ~ ~ C? Q \ e,,1" 0 \ " \~.J fP ~O ~ I I 1;1"""" TEL: (541) 484-9080 STRUCTURAL BUILDING DESIGN. FIRE PROTECTION CODE CONSULTANT. PLAN CHECKING'" CONSTRUCTION INSPECTION CLIENT M~?AO ,A 2- ::P SHEET NO OF CALCULATED BY DATE CHECKED BY DATE WO# 1'-+ tJ 1~ ( ,. CALCULATIONS \, J U L- v- OJ-'&> '1t'e ~ CANTILEVER RETAINING WALL BASE DESIGN DENSITY OF STEM 150 PCF STEM HEIGHT 8 000 FT STEM THICKNESS - 8 INCHES OTM => 4021 LB-FT ! BASE HEIGHT . 10 INCHES BASE WIDTH 60 INCHES RM=> 10182 LB-FT ASSUMED TOE LENGTH 32 INCHES DEAD LOAD ON WALL 36 PLF W=> 2928 LBS SURCHARGE ON SOIL o PSF SOIL WEIGHT 110"PCF 1/6 => 10.00 INCHES HORIZONTAL PRESSURE 35 PSF ALLOWABLE SOIL PRESSURE 1500 PSF I' => 60 00 INCHES SLIDING FRICTION COEFF 07 e => 4 75 INCHES **IN MIDDLE THIRD** SOIL PRESSURE AT TOE => 863 PSF OK OVERTURNING S F => 253 OK SLIDING S F => 1 50 OK MOMENT AT BASE OF STEM => 2987 LB-FT 1 SHEAR AT BASE OF STEM => 1120 LBS " ,- 1245 PEARL ST. · EUGENE, OREGON 97401 TEL: (541) 484-9080 CALCULATIONS STRUCTURAL BUILDING DESIGN. FIRE PROTECTION CODE CONSULTANT. PLAN CHECKING CONSTRUCTION INSPECTION \,.v ./ L- 0 I-' t- \.,-t e:~?" '" CLIENT i- I~ A ~;JJ.. Ofi.- c - SHEET NO 3 OF ? CALCULATED BY DATE CHECKED BY DATE WO# 1'f~1~ :i CANTILEVER RETAINING WALL BASE DESIGN DENSITY OF STEM STEM HEIGHT STEM THICKNESS BASE HEIGHT BASE WIDTH ASSUMED TOE LENGTH DEAD LOAD ON WALL SURCHARGE ON SOIL SOIL WEIGHT HORIZONTAL PRESSURE ALLOWABLE SOIL PRESSURE SLIDING FRICTION COEFF 150 PCF 8 000 FT 8 INCHES 10 INCHES 56 INCHES 8 INCHES 36 PLF o PSF 110 PCF 35 PSF 1800 PSF 0.7 e => 8.77 INCHES **IN MIDDLE THIRD** SOIL PRESSURE AT TOE => OVERTURNING S F => SLIDING S F => MOMENT AT BASE OF STEM => SHEAR AT BASE OF STEM => ! ,., 'ti ~! 1809 PSF 274 223 2987 LB-FT 1120 LBS NG OK OK 1245 PEARL ST. · EUGENE, OREGON 97401 TEL: (541) 484-9080 CALCULATIONS STRUCTURAL BUILDING DESIGN. FIRE PROTECTION CODE CONSULTANT. PLAN CHECKING CONSTRUCTION INSPECTION t I L- (? ~~ 'It:' &- De;ri~Il- fZj:E ~AO-Z ~P-A08 U70 ~O(\ " -Z 1., l? OlD P ";. J \) ~I b f'\ U?rz ~ooD r""= 1 p€fL G-t? 0 e (21- ~lA-f.b l /J "?"fC. 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'L &;' 1..J L&- H E:' e ~ \I ~ /-.... \... I.- ' ... {.2.. ~f'=.p.\rL- -Z &. ~O e fa 0 L-&1lL-fZ.--b-'T8"" 2' 1.--c;e;>U p?) OI;3SH,tJ l)~ 6000' f~\ ft:1P- coO€' fJII il. , '; l I *-'? e. I '2-- ~ ~/t- FlU (L' \ t "'- --1- (\ rz.\\ '-- t- ~ 1"''''''---- Wo bowta6 e(L--7' It-II p / t.- [l "3 f' ~ '~', ,?)Il II / ~ 4o~ -.-/ <5 L,4...17] I'. J- I " "_-11 ..-- II \ \~ \ ~ -t- (/7 ./' \ I}I t-- f' ~__~I~J, P' 1__, .l. ... 1 , I l ~T~LL ? lfl:P., P a... L () tZ.- t1J :p;,u- Ie: P 1lJ.,. ?(o II ~ ,. B' ~t;\ \tJf....Vl- 12-"'r- ~) ~ - , . ~ V/" '" 1245 PEARL ST. · EUGENE, OREGON 97401 \ \ \ \ \ \ \\ '\ ~M " , - "- i[ --" HI- \ , \ '\ \ \ '\ \ \ / "",1- CA >-' ~ \ \ \ 'f'1 b: b- \ \ \ '. *~{j Itll &>/{.... ~I,-,I, , - IV,- ..;~ 0( P Eft. rz S COM I TEL: (541) 484-9080