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Design Services: 1. Prepare a design modification at 81St Street, involves the replacement of an existing 54" CMP with a 48" RCP from the existing headwall for the 48" RCP crossing 58th Avenue. The replacement 48" RCP shall be doweled into the existing headwall and collar used to secure it into place. The replacement 48" RCP shall be extended east to the canal with a rip rap headwall. Coordinate with Indian River Farms Water Control District. Prepare permit, update, bid schedule, modify road plan and profile sheet, prepare detail of wall connection, prepare new drainage plan and profile sheet. ($3,500 LS) 2. Prepare a design modification at 81St Street, a roadside drainage swale parallel with 58`h Avenue, on the east side of the road should be designed that extends approximately 400' north and 1200-1400' south of the replacement 48" RCP at 81" Street. The drainage swale should be sloped to drain to a sump estimated to be about 300' south of the replacement 48" RCP at 81St Street. At the sump, a Type "E" drainage structure will be located with a 24" RCP pipe extending east to the canal with a rip rap headwall. Coordinate with Indian River Farms Water Control District. Prepare permit, update bid schedule, modify road plan and profile sheet, prepare detail of wall connection, prepare new drainage plan and profile sheet. ($2,000 LS) 3. Prepare a design modification for replacement of failed pipes at 73rd Street, for the existing drainage system which consists of four pipes and a sand -cement sack headwall on all four sides. The sand sack -cement walls will be replaced with a box structure estimated to be 6' x 8' with Type 7 manhole top. To the west, going under 58th Avenue, is an existing 60" CMP that will be removed and replaced with a 54" RCP. To the north is an existing 42" CMP that will be removed and replaced with 42" HP (High Performance Polypropylene Pipe). To the east is an existing 60" ADS N-12 that was recently constructed and will remain. To the south is an existing 42" CMP that will be removed and replaced with 42" HP (High Performance Polypropylene Pipe). Prepare permit, update bid schedule, modify road plan and profile sheet, prepare detail of wall connection, prepare new drainage plan and profile sheet. ($4,500 LS) 4. Assist with submittal reviews, respond to RFIs, interpretation of the drawings and other design support tasks is $1,840. TOTAL L UMP SUM FEE................................................................ $11,840.00