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, a. Protection or the Kassler Treatment Plant and Last Chance Ditch Pumping Station by construction or a levee around the plant, realignment or the South Platte River past the levee, provisions ror passing Platte Canon River rlume through the levee, and provisions ror disposal or storm water trapped be- hind the levee. The Kassler Plant protective works have been estimated to cost $781,000, including the storm water and seepage water pumping station added in this study. b. Relocation or Conduit 10 to the west rrom the Kassler Plant around Chatrield Reservoir to tie into Conduit 10 be- low Chatfield Dam. Construction of a clearwell and pumping station to receive and pump the Kassler Plant effluent through this relocated Conduit 10 is a part of the plan. Cost or a 48 inch conduit, 500,000 gallon clearwell, and a pumping station with a firm capacity or 45 million gallons per day has been estimated at $2,486,000. Operation and maintenance expenses for the Conduit 10 Pumping Station have been estimated at $114,000 annually ror a 48 inch replacement conduit. ~. Raising the prorile of Conduit 20 through Deer Creek Valley by relocating the conduit in the fill embankment for relocated Colorado Highway No. 75. Cost of this revision has been estimated at $674,000. d. Retaining the Infiltration Gallery in service by con- struction of an access causeway from westerly high ground to a new collection well and new pumping station. A new force main will carry the treated water from the pumping station to relocated Conduit 10. Estimated cost of the causeway, ^J - 5 -