Record Details
page 354
Digital Collections at BYU
| Field | Value |
|---|---|
| Title | page 354 Central Utah Project, Bonneville Unit : Diamond Fork Power System : final Environmental Impact Statement, page 354 |
| Coverage | Electronic reproduction; |
| Format | 354 text/PDF |
| Rights | Brigham Young University; http://lib.byu.edu/about/copyright/generic.php Public Domain Public |
| Language | English; eng; en |
| Relation | Central Utah Project; Western Waters Digital Library; tato I 1 united states department of the interior geological SURVEY RESTON VA 22092 in reply refer to AUG 1 7 1983 DES 83 46 EGS mail stop 423 memorandum to regional director bureau of reclamation salt lake city utah from assistant director for engineering geology subject review of draft environmental statement for diamond fork power system bonneville unit central utah project utah and wasatch counties U tah utah iab tab ian have reviewed the subject document as requested in a memorandum of june 17 from the director office of environmental affairs general comments the effects that the diamond fork power system would have on the geologic and seismologic environment are not adequately evaluated to permit judg ments as to the environn environs environmental cental wental soundness of the proposed installations only the depth to bedrock at the several sites is given quantitatively in the section on geology throughout the text there are assertions mostly regarding bedrock alluvium and soil that are inadequately supported by data the text should include ranges and means of test results of such critical physical properties as permeability shear strength fracture frequency and bulk density it is stated that most of the proposed reservoir basin area is blanketed with a layer of relatively impervious earth material which should prevent seepage p 174 par 4 the if earth material should be identified and its thickness should be speci apeci fied relatively impervious should be explained the spacing of any permeability tests and their results should be given inthe in the sections on seismic conditions and related impacts p 177 178 the data bases used are not current nor are all site specific studies inte grated into the evaluation A more adequate analysis of seismic risk and dam safety should be provided for the two proposed dams stability of slopes around the reservoirs should be evaluated since they are partly in narrow steep walled wailed canyons the hazard of dam overtopping over topping and down stream flooding in event of a landslide into a reservoir should not be overlooked 354 |
| Identifier | http://cdm15999.contentdm.oclc.org/cdm/ref/collection/WesternWatersProject/id/2966 |
