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. ,~ <br />ID~~ OCT 111, 2048 No.025.P.02 <br />~n y ~. <br />z~~ ~~- <br />QA-~QC~~~ ~~Na~r <br />Date: October 11, 1994 our Ref.:943-2~3z <br />TO: Bob Treistman, Baseman Engineering Inc.~~/A~ <br />FROM: Terry Mandziak, G:,lder Associates Inc. //V~ <br />RE: DRAIN COVER FILL '2LACEMENT PROCEDURE ~y <br />Per the request and guidance of the Mined Land Reclamation Division <br />(MLRD), Golder Associates Inc. (Golder) has developed the following <br />procedure for the Dlacement of the Drain Cover Fill: <br />- Prior to Drain Cover F`_11 being loaded .onto a haultruck, the <br />haultruck bed will be _aspected by the Ames foreman to ensure <br />that any oversized materials frog previous hauling activities <br />have been removed. This is only required prior to the first <br />load of Drain Cover Fill being placed in the haultruck after <br />the haultruck has been used to haul another material type. <br />- The loader operator will make every effort to remove any <br />oversized material prier to placement in the haultrucks. <br />- At placement location there will be, at a minimum, 1 Golder <br />CQA monitor and 2 Ames laborers present to identify and remove <br />any oversized partic~es larger than 1 1/2 inches and <br />deleterious materials. These monitors will have the. authority <br />to temporarily halt dozing operations in order to ensure the <br />following: <br />1) remove any oversized material prior to being covered; <br />2) ensure that the volume of material that the dozer is <br />pushing will not jeopardize the integrity of the <br />geomembrane; <br />3) monitor the thick:~ess of t1~.o Drain Cover Fill to ensure <br />that the minimum thickness criteria is maintained; and <br />4) maintain a sufficient dozer speed to allow for the <br />observation and removal of oversized material. <br />octlib.let <br />