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Task6 Ditch' Repair, Gblvert rnstauaaon, and'Rock Swale Constradion. Work Descdpaon Ttvo hundred seventy-five (275) feet of ditch, from the south edge of pond 22-P10 to a point approximately halfway between the Pond and (~ilvert G10 will be widened, shaped and nprapped as shown in Drawing #2. At this point an 8 ft. x 2 ft: berm will be tilled across the ditch and a 30-inch CPS culvert under the road. The culvert will be approximately 50 feet in length. 22-0 At culvert G3, approximately 800 feet southeast of Pond 22-P~ 20-foot wide x 2 ft deep rock swale will be constructed across the road. There will be no measurement for Task #6. Payment.for Task #6 will be reflected in a lump sum bid under Item #6 on the Bid Schedule. Task 7 - SpWway Repair and ~(leanoat o[ Pond 15-P20 and Removal of Associated Ditch Pond :15-P20. Scooe o[ Work Starting at the Ditch dischazge into pond 15-P20, the ditch shall be removed (filled) for a distance of 350 feet north, and graded to original contour. Revegetation shall be according to specifications in Section 20.0 of the General Bid Specifications, 1993. The emergenry spillway of Pond IS-P20 shall be lowered .one (1) foot and graded to accommodate additional riprsp (total r-PmP thickness of 3 feet). Riprap matenal for.the spillway must consist of durable, in egnlar rock having a minimum D-50 of 6 inches and D- max of 9 inches. Riprap will have to be imported. The sediment delta in pond 75-P20 shall be removed, and the resulting material incorporated into the azea to. be reclaimed at Pond 15-P10. There will be no measurement for Task #7. Payment for Task #7 will be reflected in a lump sum bid under Item #8 on the Bid Schedule. Task #8 -Spillway Removal Pond 22-P4. Srnpe of Work and Work Description The emergenry spillway shall be removed from Pond 2~P4, allowing free flow around the embanlrment. (`are must be taken to not disturb portions of the embanlmient where vegetation is well established. Additionally a 10-foot section of Ditch Z~P10, shall be removed, and flow directed into Pond 22-P4. 3 r~~`k ~- e ~ a -o' ~~I There will be no measurement for Task #8. Payment for Task #8 will be reflected in a lump sum bid under Item #8 on the Bid Schedule. .