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6-2 I I I I I I I I I I I I I I I I I I I . Replace the existing three 48-inch CMP's at Kendall Blvd. with two 4 foot x 8 foot box culverts. . Modify the culvert inlet at Sheridan Blvd. to permit passage of more flow and construct berm on west side of Sheridan Blvd. . Install an inverted siphon (120 feet long and 3 feet in diameter) with inlet and outlet structures for separating Platte Canyon Ditch irrigation water from flood water and construct berms 500 feet long on north side and 200 feet on south side of drainageway to contain the flood water in drainage channel. . Install an inverted siphon (120 feet long and 4 feet in diameter) with inlet and outlet structures for separating Nevada Ditch irrigation water from flood water and construct berms 100 feet long on both sides of drainageway to confine the flood water in drainage channel. NORTH TRIBUTARY TO BASIN 6200 . Remove drainage underground pipe and concrete pavement between Pierce Court and Pierce Street; excavate the channel 150 feet; and install as-foot gab ion drop structure. . Regrade and seed the drainage channel (600 feet) and install two 3-foot gab ion drops between Pierce Street and Newland Street. . Regrade and seed the drainage channel (1,600 feet) and install three 3-foot gab ion drops between Newland Street and Kendall Blvd. . Regrade and seed the drainage channel (1,900 feet) and install three 3-foot gab ion drops between Kendall Blvd. and Ken Caryl Road. . Install a 6-foot-wide vertical front cleaned trash screen with automatic differential pressure controller and a 6 foot x 6 foot vertical trash rack at upstream side of Ken Caryl Road crossing. . Build West Caryl Avenue as per construction plans between Depew Street and Ames Way. . Rebuild street crossing sections between Ken Caryl Road and 100 feet south of West Caryl Avenue and South Depew Street intersection. West curb gutters of South Depew Street would remain at existing