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- 21 - <br />bedrock formation in the area is generally flat lying. Stability of <br />the excavation cut fare into <br />joint pattern. An excavated <br />can be assumed but should be <br />time of excavation. A bench <br />overburden soils to about 1. <br />RAIL%aF+,D SPUR <br />the formation will deperc7 mainly on the • <br />slope of 3/4:1 (horizontal to vertical) <br />evaluated by an engineering geologist at <br />at top of bedrock and flattening of the <br />i:; may also be required. <br />An approximate 3/4 mile railroad spur is proposed along the <br />north bank of the river to service the future loadout facility. We <br />understand that realignment of the river and new highway construction <br />is also proposed along this section of river. <br />Considerable site grading ~s anticipated to achieve design grade <br />levels. Some sitting in the up~r colluvial soils at the west end and • <br />filling of the river bank to approximate 20-foot depth immediately <br />east of the loaclout is anticipated. Considering the subsoil condi- <br />tions encountered at the exploratory holes, slopes of 1 1/2:7 (hori- <br />zontal to vertical) should be stable provided the slope faces are <br />adequately protected and maintained. Some raveling of cut slopes and <br />periodic cleanup should be anticipated. The following procedure is <br />recommended for site grading along the proposed alignment: <br />1. Strip arcs remove all vegetation, debris and any loose soil <br />from below the embanlmient area. Loose debris on the existing <br />river bank should also be reiroved as required. <br />2. Medium stiff to soft clays and high water table were encoun- <br />tered at hole L-4. Traffic in this area and in any other • <br />