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HomeMy WebLinkAboutPermit Correspondence 2007-8-29 COITIlminity Services Div, Building Safety , !t \ ~~)/.'r'~1 Frtc- GO ! PlfN ,;(vf M(;untaingate Subd. Lot # 59 ',~ . CITY OF SPRINGFIELD. OREGON 225 51h Streit. Springfield, OR 97477 Ph. 726-3759 J \y(\'f . ~~~~;ffl1;;'~;'~"'7....:...~::~;.~~.......'70/.;\'~;'C:""'i''''~;rr,:,:..,.,-!t'l:-'U--i~~~:,:,~::-'~....~ 11./1 =-~..~> ...,.... ""'iiii""''''''''''''~<S:~_....~1''S':';j,~~f.l SPRI~GFI.:~D ~~. . U ::: ..,t:.;. {~.t. . _.....~~ Mountaingate Subdivision I Site Investigation Questionnaire for Consulting Design Professionals SITE ADDRESS: 6021 FERN HILL Loop CITY JOB # COM2007-01196 Foundationreauirements - new structures on residential lots This form may be used as a verification to allow construction' to continue on the job site until the stamped' AFFIDA VIT For Site Investil.'ation Ouestionnaire' is submitted to the City. This form must be completed by a lieensed design professional (engineer or architect)' or his/her autho'rized representative, and submitted to the building inspector prior to requesting City inspections or placing foundatio'n concrete. It is important that all questions be answered completely for the foundation site to be approved for construction. Owner: River Vallev Builders. Inc. Contractor: River Vallev Builders. Inc. . A. Datc(s) ofthe design professional's site evaluation? Auousl 2007 ., B. Has the design professional revicwed a copy of the geotechnical information that was prepared for the subdivision relating to this site? Yes ~ No ljnot, please contact this office for a copy of the report. The design professional must befamiliar with the geotechnical information before completing this form. C. In which Geoiechnical Investigation category is this site located?' . . Level I ! Level II Note: Levell! reouires a site-soecific \!eotechnical investieation & renort Were any site conditions identified that ,^,ould change the category? YES _ NO! (For criteria detennining category, see the specific Geotechnical Report for the correct phase of the subdivision) If"yes""explain (use the reverse side of this sheet or an added sheet if necessary) Note that this lot was revised to a Level I status based on an area-wide geotechnical investigation and report dated June 6, 2005 lof5 " Community Services Div, Building Safety CITY OF SPRINGFIELD, OREGON 225 5" Street. Springfield, OR 97477 Ph. 726-3759 Mountaingate Subd, Lot # 59 Was a geotechnical engineer involved at the site to verify that conditions are suitable for construction of the proposed building(s)? Yes ~ No Name of geotechnical engineer D. What was the nature of the excavation and for fill? Foundation oad construction included excavailon 01 a sinole bench into the hillside. Cut heioht~ ranoed lrom aooroximatelv1 ?-leet at the north side 10 12-leet alnno the south side. Soils exoosect. in the cut consisted of aooroximatelv 1 t02.leet 01 dark brown sill over lan/brown/oranne decomnosed sandstone with zones 01 "oillow" basalt. Groundwater or seeoaoe was not observed in the excavation. Was existing non-structural fill or expansive soil encountered on the lot? . Yes_ No,.! If"yes", what types, depths and locations, and how does.it affect the building foundation? None reouired. We noled thaI the east edoe of Ihe excavation was alono a storm drain and the crushed aooreoate trench fill and oiDe was Dartiallv eXDosed in th!1 excavation. The oioe was not disturbed, What measures were taken to remedy the soil condition (include type of engineered fill used to stabilize. the soil)? None reouired. ADoroximatelv 6to 12-inches ol'I.-inch minus dense-oraded crushed aoorenate. was Dlaced nn the undisturbed sandstone suborade to raise the loundation Dad tD the desired IDDtinD orade. 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 for site preparation, and must be affirmed before construction can continue. If inadequate, what measures are to be taken to provide constant moisture content in the sub grade? , Is the site, as prepared, adequate ~ inadequatlO to support the proposed structure? An affirmative answer is requisite to proceeding with construction. If inadequate; what additional work is needed to provide adequate foundation support? E. Did the design professional witness placement and compaction of the engineered fill, or is there a special inspection report forthcoming from a . qualified agcncy? I witnessed Placement ~ Special Jnsp/compaction report0 20f5 ^ Commllnity Services Div, Building"Safery CITY OF SPRINGFIELD, OREGON 225 Slh Street Sprillgtleld, OR 97477 Ph. 726-3759 Mountaingate Subd. Lot # 59 A coov 01 the field lesl results.!o. in-olace densilv and water content olthe crushed aooreoale fill is attached to Ihis reoort. F. 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..... 0 The method shown on the original construction drawings................ 0- The typical 'Foundation Drain' drawing attached to permit ....................! Perforated perimeter drains are not required................ ................. 0 Comments: Addilional footino drainaoe is not reouired due to the drainaoe svslem constructed at the toe of the cut slooe. The drain consisls of a 3-inch diameler oerforated PVG oioe surrounded bv drain rock. G. Low-point crawl space drains are required to prevent the buildcup of excess moisture inside the foundations during (and after) construction. This drain may be installed after foundation placement onlv with .the eXDress Dermission of the desilm Drofessional. a. The design professional has determined the following: The crawl space drain is required when the foundation is installed..... 0 The low-point drain can be installed after foundation placenient without a significant moisture build-up problem within the foundation... .......... 0 (The low-point drain may be installed at the stage of construction)' . . post &: beam,jrammg, roofing, etc. 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 iocation, i.e. street gutter, storm sewer, sump pump and discharge line to the street, etc.) A low-ooint crawlsoace drain is nol reouired lor this foundalion. The design professional must determ'ine whether the approved permit drawings have adequate foundation steel. Is any additional foundation steel required that is not shown' on the foundation drawings fot the building? Yes No ~. If "yes". describe additional steel required (or provide drawing). . 30f5 Community Services Div, Building Safety CITY OF SPRINGFIELD, OREGON 225 51h Street, Springfield, OR 97477 Ph. 726-3759 Mountaingate Subd. Lot # 59 The individual doing the obsel'vations and providing direction for the excavation and site preparation work on the property must sign the following statement. The ulldersiglled design professional (or authorized employee) attests that he/she observed required moisture stability procedures on this site, alld that such procedures were accomplished before allY changes occurred in the moisture cOlltellt of the sub- grade under alld around the building (where expallsive soils were encountered). The undersignedfurther al/ests that the sub-grade, as prepared, is adequate to support the buildillg proposed for this site. . Additional comments: (Notc): 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 w!1ose auspices this report was completed, affirming the information 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 <::::.... l -.....:"., Name Michael Remboldt Title Princiole Geotechnical Enoineer Companv K & A Enoineerino. Inc. Phone 684-9399 Licensee Michael Remboldt License # 19474 expires 12/30/2008 The geotechnical report for each phase of the Mountaingate Subdivision makes recommendations for placement of building construction on each site. The report also recommends that site preparation during wet weather conditions be avoided unless special measures are taken to mitigate soft soil conditions and moisture collecting in or around the foundation areas during and after the construction process. Positive site drainage must be provided. 40f5 Community Services Div, Building Safety CITY OF SPRINGFIELD, OREGON 2255(11 Street, Springfield, OR 97477 Ph. 726-3759 . Mountaingate Subd. Lot # 59 SPRINGFIELD '" .~ 1;::;~;z;l~t~55!";;.f~r':;i~t'!~~~r"(!i:v-_"-'''''"'"~''ti'l4t'".~~,~t''''';'Fi't.~.....~~...;ol.~~uz,~~ i:JI"'~'"'~'\':I~~~~,,",i.:..-..4t~~Ii1fr~:rrif~~~;f~~~,~;ai&~~'f:".1~~~,,;.ti: ~f!"-n>'f."'~"""~-_~ ii::<2'r;U~~~ SITE ADDRESS: 6021 FERNHILL Loop AFFIDAVIT For Site Investigation Questionnaire Foundation Sub-Grade, Approval for Residential Building Site in Mountaingate Subdivision The undersigned hereby affirms that the excavation, structural fill and moisture stabilization methods for the building site at the address shown above were observed by. me or an authorized employee of my firm and th'at the following is true: I. The geotechnical information for the subdivision, specific to this site, was utilized as part of the determination for foundation preparation and drainage requirements. 2. The foundation sub-grade is capable of supporting a mini.mum of 1500 psf, and is . adequate to support the building proposed for this site. 3. The moisture content of the excavation was adequately maintained during the site preparation process and the site is adequately graded and drained for discharge to an approved location in order to maintain stable moisture content throughout the construction process and thereafter. 4. The accompanying report titled "Site Investigation OuestiOlmaire for ConsultinQ Design Professionals" containing field observations and instructions made on (dates)' Auoust 2007 for this building site was completed either by me or by an authorized representative under my supervision. To the best of my lrnowledge, the information contained in that report is complete and accurate. Signature ~\ . Date $'/v:j/u....n '-, ;' , , < Name of Licensed Professional (print) Michael Rembold!. P.E. EXPIRES /--vl11 /.... c... I I 1 Direct Transmission (DT) (specify depth, in.) or Air Gap Backscatter (AGB)'(specifiy(T)ouchable or (U)ntouchable mode Test pertormed using Seaman Nuclear Corp model C'300, SN 21113 Client: River Valley Builders, Inc. Project: 169.07 K & A Engineering, Inc. 8/29/2007 ! ,. Community Services Div, Building Safety CITY OF SPRINGFIELD, OREGON . 225 51h Street, Springfield, OR 97477 Ph. 726-3759 Mountaingate Subd. Lot # 59 SPRINGFIELD ., ~~'~""",...."."'a'I~_'>I~"'~"Q;";!~-m;m~""",,~W;I -. ~!' . - W~~~"'~l~:k-.^":, - __"t~.~~<~~~ Mountaingate Subdivision I Site Investigation Questionnaire for Consulting Design Professionals SITE ADDRESS: 6021 FERNHILL Loop CITY JOB #. COM2007-01196 Foundation reouirements - new structures on residential lots This form may be used as a verification to allow construction to continue on the job site until the stamped' AFFIDAVIT For Site Investi!!ation Ouestionnaire' is submitted to the City. This form must be completed by a licensed design professional (engineer or architect) or his/her autho'rized representative, 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: River Vallev Builders. Inc. Contractor: River Vallev Builders. Inc. . A. Date(s) of the design professional's site evaluation? Auoust 2007 B. Has the design professional reviewed a copy of the geotechnical information that was prepared for the subdivision relating to this site? Yes,L No_ If not, please contact this office for a copy ofihe report. The design professional must be familiar with the geotechnical inform~tion before completing this form. c. . In which Geotechnical Investigation category is this site located? Level I ! Level II Note: Level II reauires a site-soecific !!eotechnical investi!!ation' & renort Were any site conditions identified that would change the category? YES_ NOx (For criteria detennining category, see the specific Geotechnical Report for the correct phase of the subdivision) If "yes", explain (use the reverse side of this sheet or an added sheet if necessary) Note thai this lot was revised 10 a Levell stalus based on an area-wide geotechnical investigation and report dated June 6, 2005 lof5 Community Services Oiv, Building Safety CITY OF SPRINGFIELD, OREGON 2255'" Street. Springtield, OR 97477 Ph..726-3759 Mountaingate Subd. Lot # 59 Was a geotechnical engineer involved at the site to verify that conditions are suitable for construction of the proposed building(s)? Yes JC: No 'Name of geotechnical engineer D. What was the nature of the excavation and lor fill? Foundation oad construction included excavation 01 a sinole bench into the hillside. Cut heiohts ranoed trom aooroximalelv12-feet atlhe north side to 12-leet alono the south side. Soils exoosed in the cut consisted of aooroximatelv 1 t02-leet of dark brown sill over tan/brown/oranqe decomoosed sandstone with zones 01 "oillow" basalt. Groundwater or seeoaae was nal observed in Ihe excavation. Was existing non-structural fill or expansive soil encountered on the lot? . Yes_ No.! If "yes", what types, depths and locations, and how does. it affect the building foUndation? None reauired. We noted that the east edae 01 the excavation was alono a storm drain and the crushed aooreoate trench fill and oioe was oartiallv Hoosed in the excavation. The Dine was not dislurbed. What measures were taken to remedy the soil condition (include type of engineered fill used to stabilize, the soil)? None reouired. Aooroximatelv 6 10 12-inches of o/<-inch minus dense-oraded crushed aooreoate was olaced on the undisturbed sandstone suborade to raise the loundalion Dad to the desired tootino orade. Is the site as prepared adequate JC: inadequate 0 to maintain constant moisture contentin the sub grade? Note: Verification of moisture stabilization in the sub grade is a requirement for site preparation, and must be affirmed before construction can continue. . ]f inadequate, what measures are to be taken to provide constant moisture content in the sub grade? ]s the site, as prepared, adequate l! inadequateO to support the proposed structure? An affirmative answer is requisite to proceeding with construction. If inadequate, what additional work is needed to provide adequate foundation support? , E. Did the design professional witness placement and compaction of the engineered fill, or is there a special inspection report forthcoming from a qualified agency? I witnessed Placement l! Special Jnsp/compaction report0 . . 't ~}l0<//'/fz:;C, 20f5 " Communily Services Div, Building Safety CITY OF SPRINGFIELD, OREGON 225 51h Street. Springfield, OR 97477 Ph. 726-3759 Mountaingate Subd. Lot # 59 A coov of the field test results for in-olace densltv and water content of the crushed aaareaate fill is attached to this reDar!. F. 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... 0 The method shown on the original construction drawings................ 0 The typical 'Foundation Drain' drawing attached to permit ...................1\ Perforated perimeter drains are not required.... ............................. 0 Comments: Additional faatina drainaae is not reauired due to the drainaae svstem constructed at the lae of the cui slooe. The drain consists of a 3-inch diameter oerforated PVC oioe surrounded bv drain rock. G. 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 aftcr foundation placement onlv with the exnress nermission of the desi"n nrofessional. a. The design professkmal has detetrnined the following: The crawl space drain is required when the foundation is installed..... 0 The low-point drain can be installed after foundation placement without a significant moisture build-up problem within the foundation............. 0 (Fhe low-point drain may be installed at the stage of construetio'n) post 0: lJeam,jrammg, roofmg, etc. . 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, e/c.) A law-ooint crawlsoace drain is not reouired lor this foundation. 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 No l!. If "yes ". describe additional steel required (or provide drawing). 30f5 Community Services Div, Building Safety ClTY OF SPRINGFIELD, OREGON 215 51h Street, Springfield, OR 97477 Ph. 726-3759 Mountaingate Subd. Lot # 59 The individual doing the observations and providing direction for the excavation and site preparation work on the property must sign 'the following statement. 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 proposedfor 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 information 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 ,-~-..d- Name Michael Remboldt Title PrinciDle Geotechnical Enaineer Company K & A Enoineerina. Inc. Phone 684-9399 Licensee Michael Remboldt License # 19474 expires 12/3012008 The geotechnical report for each phase of the Mountaingate Subdivision makes recommendations for placement of building construction on each site. The report also recommends that site preparation during wet weather conditions be avoided unless special measures are taken to mitigate soft soil conditions and moisture collecting in or around the foundation areas during and after the construction process. Positive site drainage must be provided. 40f5 '\ Community Services Div. Building Safety ClTY OF SPRINGFIELD, OREGON 2255'" Street, Springfield. OR 97477 Ph. 726-3759 Mountaingate Subd. Lot # 59 AFFIDAVIT For Site Investigation Questionnaire Foundation Sub-Grade Approval for Residential Building Site in Mountaingate Subdivision The undersigned hereby affinns that the excavation, structural fill and moisture stabilization methods for the building site at the address shown above were observed by me or an authorized employee of my firm and that the following is true: I. The geotechnical information for the subdivision, specific to this site, was utilized as part of the determination for foundation preparation and drainage requirements. 2. The foundation sub-grade is capable of supporting a minimum of 1500 psf, and is . adequate to support the building proposed for this site. 3. The moisture content of the excavation was adequately maintained during the site. preparation process and the site is adequately graded and drained for discharge to an approved location in order to maintain stablc moisture contcnt throughout the construction process and thereafter. 4. The accompanying report titled "Site InvestiQation OuestioIll1aire for ConsultinQ DcsiQn Professionals" containing field observations and instructions made on (dates)' Auoust 2007 for this building site was completed either by me or by an authorized representative under my supervision. To the best of my Irnowledge, the information contained in that report is complete and accurate. Date S}V; l2.t:tzn-. I' , Name of Licensed Professional (print) Michael Rembold!. P.E. . ,~~-:--\ Signature "-.) ~ EXPIRES /'1./"$ II- 'C-- I I Proiect: 169.07 Site Address: 6021 Graystone Loop Permit No: LDAP2007-00152 . Date: 8/28//07 Density Test Type': DT-6 Operator: SS Material Type: 3/4-inch minus dense graded crushed aggregate - Springijled Quarry I Maximum Dry Denstiy, pcf 128.0 I Standardization and Reference Chec~ t>. Density I (Standard Deviations) (S.D.) Density of Soil and Soil-Aggregates In-Place ASTM 02922 and 03017 0.94 It>. Moisture, I (S.D.) Moist Dry Density, Density, Water Compaction, Test No: pcl pct Content, % % Remar~s 1 1 135.8 131.5 3.3 102.7% 1 2 129.2 125.3 3.1 97.9% I 3 130.6 123:0 6.2 96.1% 1 4 134.2 125.9 6.6 98.4% 1 I I I I I I 1 I I 1 I I .1 Average: 98.8% Std. Dev.: 2.81% 0.53 1 Direct Transmission (DT) (specify depth, in.) or Air Gap Backscatter (AGB) (specifiy(T)ouchable or (U)ntouchable mode Test pertormed using Seaman Nuclear Corp model C-300, SN 21113 Client: River Valley Builders, Inc, Project: 169.07 K & A Engineering, Inc. 8/29/2007