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Home My WebLink About227 Osiander St - Special Inspections/Engineering - 11/02/2016W34 30 SOLOGIC November 2, 2016 Philgreen Construction, Inc 1420 Blue Spruce Drive, Suite G2 Fort Collins, Colorado 80524 Attn Mr Mitchell Greeno Re Foundation Bearing Observation Report Lot 2, Block 3, Old Town North Subdivision 227 Osiander Street Fort Collins, Colorado Soilogic Project # 14-1180 Mr Greeno Soilogic, Inc (Soilogic) personnel have completed th ` p nhe ole oliservation you requested for the referenced project The results of our observations are included with this report On November 1, 2016, a Soilogic field engineer observed the foundation bearing materials for footing foundations for the referenced residence We understand the residence will be a one or two-story wood -frame structure constructed over a full basement At the time of our field observation, the garage and basement areas had been excavated to approximate foundation -bearing elevation The exposed materials observed in the garage and basement areas consisted of apparently - natural, dark brown sandy lean clay One (1) hand auger boring extended to a depth of approximately 3'/z feet below basement foundation bearing elevation and revealed similar materials extending to the depth explored Free water was encountered in the completed hand auger boring at a depth of approximately 3'/z feet below basement foundation bearing 28F,1 s 17 1, 33PM at the time of excavation Dynamic cone penetrometer tests indicated the dark brown lean clay was medium stiff in terms of consistency These materials are consistent with those encountered as part of our original subsurface exploration performed at this site and outlined in a report dated September 29, 2014 and would be expected to exhibit no to low swell potential at current density and moisture conditions Soilogic, Inc. 3050 671h Avenue, Suite 200 a Greeley, CO 80634 a (970) 535-6144 P.O. Box 1121 9 Hayden, CO 81639 a (970) 276-2087 Foundation Bearing Observation Report Lot 2, Block 3 — Old Town North Subdivision 227 Osiander Street, Fort Collins, Colorado Soilogic # 14-1180 2 Based on results of the completed field testing and our site observations, it is our opinion the medium stiff, natural, dark brown lean clay could be used for support of the residence footing foundations at the design maximum net allowable soil bearing pressure of 1,500 psf As a precaution, these footings should be sized to maintain a minimum dead -load pressure of 500 psf, or as high as practical on the foundation bearing soils We appreciate the opportunity to be of service to you on this project If you have any questions concerning the enclosed information or if we can be of further assistance to you in any way, please do not hesitate to contact us Very Truly Yours, Soilogic, Inc. Alec Kaljian, E I Project Engineer Reviewed by Wolf von Carlowitz, P E Principal Engineer 2$HU617 1:33PM 3Co CSC Consultants 1212 Riverside Avenue V, Ft Collins, CO 80524 Ph {570} 2$2 8005 e-man �licsa@gwestoffiae net ovember 2l, 2016�� " N - x�sg<;. gi �n'iLis. Brtanne Haagensnn . rt�;� 245 Osiander St Fort Collins, CO -' Re. 227 Cisrander Fort -Collins. Colorado CSE PtojectNo 6154=1 Dear Ms Haagenson e ' i ,.. � ,.} .�. y, 4��, f t , thr-.,.� �x t ..`'-b.d a°� •. `t. -� �. �. , .3 CSE Consultants visited tiie above-refeieneed project on November 4, 8 and 19. 2016 as requested The purpose of these visits was to observe the foundation construction. ; ' g° ff Based on our observatu>us the fowidtonr gong "saestnforc ttigand,tl out t n wall rernfcirctn n eared +,.fir,. `-". a-�,a...�- + to ,` ` �be"iii``g eon rat acccudancesti�ttli�the'plans-�pr�pated b� our oft;¢ tiazezl,6114/16.' ry , �• y n 9-.c..-..- n^,.aA lase✓.°3Yk � 4 , ., ., � , ` , CSE Consultants � „� O ,•••• `� �� _ _ - P6� 27418 w zC'� �� •. .# �` Ron L Lindburg, P E ��'�i JS''••`•`' �C� - %, 28fUG 17- 1,33PM im . > � ^5` ' v 5'` kt�—Y3 • '— + ai ry S N r SO�LOGIC December 2, 2016 Philgreen Construction, Inc 1420 Blue Spruce Drive, Suite G2 Fort Collins, Colorado 80524 Attn Mr Mitchell Greeno Re Residential Site Observations Report Lot 2, Block 3, Old Town North Subdivision 227 Osiander Street Fort Collins, Colorado Soilogic Project # 14-1180 Mr Greeno During the period of November 29, 2016, to December 2, 2016, Soilogic Inc (Soilogic) provided observation services for the referenced project Our services were provided on a part-time basis and mcluded,perimeter drain/damp proofing observations you requested for the referenced project The results of our observations are included with this report On November 29, 2016, Soilogic personnel observed the damp proofing for the referenced project The damp -proofing observed consisted of a grey spray -on coating that appeared to cover the exterior of all basement foundation walls At the time of our site observations, the d pain proofing appeared to have been_mstalled in 'accordance with general_ly_ac ec p ed-} C c�onstruction practices � On December 2, 2016, Soilogic personnel observed the installed exterior dram system and damp -proofing for the referenced residence prior to backfilling The perimeter dram system observed consisted of 4-inch diameter perforated pipe bedded in gravel and placed at approximate foundation bearing level around the exterior perimeter of the basement area of the structure with an average depth of 7-14 inches above the pipe Plastic sheeting was observed to be glued to the foundation wall extending below the perimeter drain trench and 28RUG 17 1:33PM filter fabric was observed installed over the free draining gravel J�he_pgiim. eter_dram,was spot checked with a hand level and observed to be sloped to dram and positively connected to the sump pit Sodogic, Inc 3050 67'" Avenue, Suite 200 • Greeley, CO 80634 . (970) 535-6144 P.O. Box 1121 • Hayden, CO 81639 • (970) 276-2087 Foundation Bearing Observation Report Lot 2, Block 3 — Old Town North Subdivision 227 Osiander Street, Fort Collins, Colorado Sodogic # 14-1180 2 The void form was also observed to be intact At the time of our site observations, the perimeter dram system appeared to have been installed in substantial compliance with the submitted perimeter drain detail We appreciate the opportunity to be of service to you on this project If you have any questions concerning the enclosed information or if we can be of further assistance to you in any way, please do not hesitate to contact us Very Truly Yours, Soilogic, Inc. Reviewed by ... 16- y JV74V y • i M �i�-.♦♦YY♦♦i♦_i� Bjorn Utu, E I Wolf von Carlowitz, P E Project Engineer Principal Engineer 28RUG 17 1:33pM