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T~~~~~R ~Il~dt~~ 1~1C. <br />r~~ <br />~~ <br />~ f <br />~' <br />I, Collin R. Fay, a Registered Professional Engineer in the State of <br />Colorado, in accordance with 2CCR407-2, Section 4.05.6(7), certify [hat <br />Middle Pyeatt Dam 4k1, Middle Pyeatt Dam 412, and Middle Pyeatt Dam 4k3, Located <br />in Section 26, T6N, R91W, 6th PM, were inspected by me during construction. <br />Construction of these dams was begun on September 15, 1986, and completed on <br />October 13, 1986. Final surveying was completed on October 14, 1986. I <br />certify that [he embankments were boil[ as designed and the resulting sedi- <br />ment control system will meet effluent Limitations as predicted by hydrologic <br />modelling Cechniques. <br />During construction, the dams were visually inspected daily to insure compli- <br />ance with prudent construction methods. Compaction was accomplished by <br />Laying fill in thin horizontal layers and compacting with a vibraCUry roller <br />compactor and dozers and/or scrapers. Standard Proctor densities were deter- <br />mined in our lab using methods outlined in AASHO Standard Pfethud T9 61. <br />~~.E<< G~ ~ ~- <br />e°pU F:Fg<< <br /><<Fk•.. ., dre. <br />ova •'\t\CN.~Rp'•, f,~. <br />eV Jvv~r ~`.•f~~ Collin R. Fay, Z'O~P \438 <br />~.• •et <br />~0.:,• .`44.r Date <br />e~ fi~ol~~ <br />CRF/jb <br />IL/86 <br />P.O. Box 787 <br />Craig, Colorado 81626 <br />REVISED FEt~ ~, i `~1~ <br />1303182a~aa01 <br />