2226.04_SHERIDAN BOILER_CONSTRUCTION DOCUMENTS - Geotech Samples.pdf
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- 36C25921R0071
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This document includes construction documents and specifications for replacing coal boilers at the Sheridan Veterans Affairs Medical Center in Sheridan, Wyoming. The project involves replacing existing coal boilers in Building 90 with related equipment and work. Subsurface soils at the site consist of clayey gravels, lean clays, and dense sands and gravels. Pavement sections specified include 8-inch concrete with 7-inch aggregate base for emergency coal dump and entrance improvements. The project is estimated to cost between $1 million and $5 million. Offerors must be verified as service-disabled veteran-owned small businesses by the Department of Veterans Affairs to be considered for this 100% set-aside contract opportunity.
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FOURFRONT
D E S I G N I N C.
517 7th street rapid city sd 57701 p 605.342.9470 f 605.342.2377 www.4front.biz
CONSTRUCTION
DOCUMENTS
2/5/19
B-100
Note: Refer to geotechnical report in specifications for more information.
GEOTECHNICAL SUMMARY
A geotechnical study was conducted to determine the in situ soils within the Project Site. The majority of subsurface soils encountered within the borings consisted of about 1 to 3 ½ feet of clayey gravels and lean clays with coal fragments fill overlying terrace deposits of stiff hard lean clays, dense well graded sand, and very dense sandy gravels. At the time of the field work, ground water was encountered in five of the 6 borings, at a depth of 12 to 14 ½ feet below the existing surface. See plan sheet B1.00 for boring location map and the geotechnical report.
Based on the recommendations outlined within the geotechnical report; the pavement sections for improvement, and surfacing recommendations, are listed below.
1. 14” gravel surfacing for the coal delivery vehicle turnaround area expansion.
2. 8” concrete and 7” aggregate base course pavement section for improvements at the emergency coal dump area.
3. 8” concrete and 7” aggregate base course pavement section for the north and south approach entrances improvement.
4. 8” concrete and 7” aggregate base course pavement between the proposed coal delivery building/fines hopper and the coal storage bunker.
Due to the potential for pavement deterioration from turning movements, concrete is recommended for all pavement improvements within the Project Site.
All paving, base materials, and construction requirements for pavement sections will conform to the geotechnical recommendations, the City of Sheridan Specifications, and the VA Site
Development Design Manual. Subgrade shall conform to the recommendations outlined in the geotechnical report.
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VA FORM 08-6231, OCT 1978
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ARCHITECT/ENGINEERS:
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SHERIDAN, WY
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BOILER UPGRADE PHASE 3
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SM
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JM
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BORING LOCATION MAP AND LOGS
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