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us by the supplier, Vance Brothers, it appeazs that the fabric (Exxon GTF-1?SEX) had properties <br />similaz [o the Mirafi 140N fabric. We [hen advised the wnvac[or that this fabric was suitable for use. <br />At [he time of our visit on September 18, 1995, [he convac[or had placed an additional 240 lineal feet <br />of toe drain. The drainage rock appeared to be installed in accordance with the project specifications <br />and all of the drainage rock, with the exception of the southern 100 feet had been covered with the <br />correct fabric. Photographs of the completed tce drain (Photos #S & #6), taken on September 18, <br />1995, are attached. <br />A[ the time of our visit on September 24, 1995, the contractor had placed fabric over [be last 100 feet of <br />drain located at the southern end of the excavation. The fabric consisted of the Amoco Petromat. <br />Based on our observations and part-time inspections made at the project site, we believe that the 910 <br />feet of total toe drain installed to this date has been constructed in general accordance with the project <br />places and specification <br />If you Gave any quesJ~ons regar~ng this report or our observations, please contact this office. <br />Sincerely, <br />COLORADO <br />Brian D. l.en,~P.E.~; 25750 <br />cc: Kazl Koehler, Twentymile <br />Job No. 95-2296 Northwest Colorado Consultants. Inc. Page 2 <br />