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PUBLIC WORKS <br /> iv. C3.5: <br /> 1. The existing catch basin in the 8th St ROW must be removed and the <br /> associated storm drainage pipes abandoned appropriately. Storm <br /> drainage structures within the trail easement should also be removed. <br /> v. C4.0: <br /> 1. Because maintenance of the CDS unit requires the unit to be drained, and <br /> because the outlet pipe of the CDS unit will be submerged and below the <br /> normal water elevation in the pond, a gate valve or some other means of <br /> "closing off' the pond from the unit must be provided in order for <br /> maintenance of the unit to be effectively accomplished in the future. <br /> vi. C4.4: <br /> 1. Please extend the drawing to the southern end of the pavement. Please <br /> also include notes stating that runoff from Lot 8, to the east and south of <br /> Riverside Rd, shall not be allowed to enter the road — and include <br /> measures to prevent this from occurring (such as an asphalt lip across the <br /> southern end of the road pavement). Please also indicate that the pipes <br /> coming into CB #30 from the east and south are plugged. <br /> 2. Some of the information given on the profile view for CB #28A doesn't <br /> make sense — isn't there just one pipe coming in from the east, that is, a <br /> 6" force main? <br /> vii. C4.5: <br /> 1. For clarity, please do not show any demolished storm drainage <br /> infrastructure on this sheet — such as the underdrain, associated catch <br /> basin and outlet pipe in 8th St near proposed CB #5. <br /> 2. SDMH #103 and subsequent downstream manholes on C4.6 must have <br /> sealed and locking lids as this line will be pressurized under certain <br /> operating conditions. <br /> 3. The storm drain line from Lot 5 must be labeled as private and must be <br /> located within a private drainage easement. <br /> viii. C4.6: <br /> 1. There is no indication on the plans that storm drainage manholes 100 — <br /> 103 are pressurized manholes and will require sealed lids... <br /> 2. There should probably be some form of backwater valve inserted <br /> somewhere in the Lot 5 outfall to protect the line from tidal fluctuations. <br /> 3. In part because the storm drainage outlet pipe for Lot 5 is private, and <br /> will require a private easement, it should not be located where the public <br /> trail will be constructed. At this time, there appears to be a conflict <br /> between the location of the pipe and manholes and the proposed location <br /> of the trail within the 16' public access easement on Tract D. Are <br /> preliminary plans for Trail F available? How will this issue be handled in <br /> the future? Also, it appears the desire to stay 200' back from the <br /> Page 3 of 4 <br />