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base will be added to provide a reliable driving surface for operations and <br />maintenance activities at the reservoir site. <br />(f) A general engineering plan stating how the material will be placed and stabilized in a <br />manner to avoid unacceptable settling and voids. <br />Fill will be placed in lifts and compacted. In general, the depth and shape of the fill <br />areas precludes mass dumping of the fill which causes voids and leads to settlement. <br />The grade raises in most of the low lying drainage areas require small lift thicknesses <br />and will be compacted by construction traffic. Tightest control will be made in road <br />areas. Structural fill will be placed in low areas of the access roads that need to be <br />raised. The road fill will be placed in lifts and compacted to 95% of the maximum <br />dry density according to ASTM D 698 (Standard Proctor Test). Denver Water will <br />provide testing and quality control. Road base will also be placed in lifts, compacted <br />and tested for compliance with the written project specifications. <br />If you have any further questions with respect to this Notice, please give me a call at <br />303 - 628 -6605 or email me at jessica barbier( denverwater.or4 <br />Sincerely, <br />/esca Barbier, PE <br />Project Engineer <br />cc: Walker <br />E &C file PT 14846 <br />enclosure <br />