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HomeMy WebLinkAboutOther (Special Inspection)Report(18-6523.Other(SpecialInspection).0001).pdf Client: Chad Salli Town of Vail GROUND 1309 El 81rn Drive ENGINEERING Red Sandstone Parking Garage Report Date: Apr 17,2018 Work Order No.: 18-6523.Other(Speciallnspection).0001;ver:2 Work Order Date: Apr 16,2018 Reviewed by: Shane Sorensen General Comments General Contractor: Haselden Performed by: Shane Sorensen Subcontractor: Heil Services Performed: Observation of hillside excavation for parking structure Placement Location: Excavation for garage structure and soil nail retaining wall Comments: As requested by Tom with Haselden Construction,we visited the site and observed the beginning of the excavation for the parking structure and associated north side soil nail retaining wall. We observed several feet of topsoil being removed from the center portion of the excavation and exported with other export material from that area. We also observed several tiers of abandoned MSE retaining walls buried beneath the soil on the hillside. Haselden informed us that these were part of a playground that was removed in the past. We reviewed the project geotechnical report issued by GROUND Engineering for test hole locations and boring logs. The test holes were drilled near the perimeter of the proposed structure and north of the proposed soil nail wall. The subsurface conditions in the test holes generally consisted of approximately 1 1/2"to 4 3/4"of asphalt or approximately 3"to 4"of topsoil at the surface,underlain by sands and gravels,including cobbles and boulders, extending to the test hole termination depths. The presence of any existing man-made fill materials were not obviously apparent and the determination thereof was not included in the scope of services at the time the report was prepared. Notifications The following individuals were notifed of all results while on-site. Name Company Justin Fahnestock Haselden Construction Eric Sparwasser Haselden Construction Photos k _- ;:.�,v- � gyp. �•�'1 � '.• _� .1^� *.��:. 4,L` �2ti� -. Lt i 4 ••* •. ^4,..+ YL ..i y,�{' •1 i/per A •y. ' - -, :�.y '. - • .�J.. ...a j-.rir ,..:.. ... - _ ., .1,..-12'1 w r s - ."�\^ ..` -:A.:I` ZT ..,-,:_,„:,-76.,..,„ :; f •a ":Mrd ix . �; ^�+3`'•, Vii' ��q•Y' • ,fir. ---.-.A.-,-''.• ..':_-:•;`. rs. ;.1.= i;�c _ -3+ .5".ti �' , . . . -7,--A, - ..C4 . �•.F ' y.<. ,•. fir.' .. --:-in ..,..''' ..-- 1 ` A F:t }�` _ ASi "�-1V 11 .+.etin' 1.��r.L �'� ��.•��1..�� ri • lt•�ild.�'L;s Topsoil being exported Buried MSE wall Results apply only to the specific items and locations referenced and at the time of testing, observations or special inspections. This report should not be reproduced,except in full,without the written permission of GROUND Engineering Consultants, Inc. www.groundeng.com Englewood I Commerce City I Loveland I Granby I Gypsum Page 1 of 1