Laserfiche WebLink
RPM, Inc. <br />? 4C? _ n7 V' 5'T' <br />February 18, 2011 <br />Duckels Construction <br />3300 Duckels Court <br />Steamboat SprinA CO 80487 <br />Attn: Fred Duckels <br />Job Number. 11-8818 <br />Subject Cut Slope Recommendations - Lower <br />Hogue Rivet Pit Expansion, NW 114, Section 9, <br />T6N, R85 W, Rouri County, Colorado. <br />1.adiea and t3gttlotnan: <br />As requested, NWCC, Inc. (NWCC) has completed this report summarizing Cut Slope Recommendations An the <br />Lower Hogue River Pit Expansion. It is NWCC's undemanding that the existing Lower Hogue River Pit (pit) <br />located in the NW V4 of Section 9, Township 6 North, Range 85 West in Roue County, Colorado will be expended <br />to the west <br />&sistiE t loaelProooaed JA . <br />Muldon, The existing gravel pit presently consists of rtpprvxitmtely 4$ acres <br />and the expansion arcs will consist of an additional 24 % acres shusled to the west of the existing gravel pit. The <br />expansion area will be approximately 500 fiat in length along the northern edge of the pit and approximately 300 <br />feet in length along the aouthcm edge of the pit. The expansion area and the existing pit are bordered on the north <br />by the Union Pacific K%iWad and U.S. Highway 40 right-of-ways and on the south by the Yampa River, <br />it is NWCC's understanding that the maximum depth of the pit excavation in the cxpanslon area will be <br />approximately 25 fast beneath the existing ground surisce and that the temporary cut slates will be constructed to a <br />I (hodwatal) to I (vortices) conuftwaticn and the oxcavatiooa will be dewaacred. We have also assumed that the <br />overburden soils or fill materials will be placed back against the excavated slope shortly after the sands and gravels <br />have been removed. It is also NWCC's understoft that soil berms will be constluOW along, the northern and <br />southern edges of the pit with sin lar configurations to the existing berms at the pit and that the mitred areas will <br />have a final slope configuration of 3 (horizontal) to I (vartical) or flatter wfien reclaimed. <br />(970) 479.78" • Fax (979) 974-71193 <br />2580 Copper Ridge Drive, Steamboat Springs, CO 80487 <br />RPM. inc., 7425 Winter Berry Ln., Castle Rock, CO 80108 Phone: (303) 854-7499 FA X:(303) 660-3852 Email: hlhumphries2@comcast.net