Laserfiche WebLink
<br />July 12, 2002 - <br />Subject: Construction Quality Assurance Plan <br />Brighton Water Storage Project <br />Adams County, Colorado <br />Job No. 02-0065 <br />Mc Les Ewegen <br />Les Ewegen, LLC <br />37615 Weld County Road 39 <br />Eaton, Colorado 80615 <br /> <br />Deaz Mc Ewegen: <br /> <br />At your request, Ground Engineering Consultants, Inc., (GROUND) has prepared a Construction <br />Quality Assurance plan for placement of the clay liner for the Brighton Water Storage Project <br />near southeast'of the intersection of 124'h Avenue and U.S. Highway 85, in Brighton, Colorado. <br />We understand that constmction of the liner will involve excavation, of on the order of 100,000 <br />cubic yards of claystone from the site and p]acement of the material as compacted fill. <br />,~ <br />GROUND recommends that the Geotechnical Engineer provide gtiality assurance materials <br />testing for the liner embankment fill. In addition, earthwork should be observed and monitored <br />for general compliance with the plans and specifications as they relate [o construction materials. <br />The Geotechnical Engineer should review project plans and specifications, and provide <br />appropriate sampling and materials testing to assess compliance with those plans and <br />specifications. <br />-GROUND recommends the following testing and reporting schedule for quality assurance during <br />placement of the liner to be performed by the Geotechnical Engineer: <br />• Maximum Dry Density /Optimum Moisture Content Tests 1 test per 5,000 yd3 & <br />(ASTM D698,~fhe "Standard Proctor") 1 per distinct soil type <br />a <br />• ROU~ILD , <br />- ENGINEERING C~NSULTRNTS, <br /> <br />41 Inverness Drive East, Englewood, CO 80112-5412 ~ Phone (303) 289.1989 Fax (303)289-1686 <br />Norfh Office: 7393 Dahlia Slree[, Commerce City, CO 80022-1834 www.groundeng.com <br />