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PUBLIC WORKS - MAINTENANCE DIVISION <br /> STORMWATER REHABILITATION - CIP <br /> PROJECT REQUEST LIST <br /> March 1997 <br /> Following is a list of rehabilitation projects in order of relative priority and current status: <br /> 1. Location: Northeast corner of intersection at 19th Ave. and Emerald St. <br /> Nature of Problem: Poor street drainage and constricted flow in storm sewer. Catch <br /> basins in street clogging. Owners of the apartment building filed a claim against the <br /> City several years ago, claiming that a public catch basin grate at the driveway apron <br /> of the flooded parking area was clogged with leaves. City response was that the <br /> drainage system in the parking garage malfunctioned (the basement sump pump was <br /> not operating at the time of the flooding) and damage was not due to the City system. <br /> However, some deficiencies were found in the public system as a result of investiga- <br /> tion of the claim. Unlike what is shown on the grid map, water drains to catch basin <br /> #57211 on 19th Ave. in front of the parking garage. It then runs into mh #57444 <br /> (under the sidewalk), then west through an 8" pipe to mh #57443 (which is a 24" dia. <br /> non - standard mh, also under the sidewalk), then through a 10" pipe at an oblique, <br /> southwesterly angle to mh #57464 in the 18" main on Emerald, where it is entering <br /> the flowline at an angle against the flow of the 18" main. From this point it flows <br /> north to mh #57463, which is a non - standard 24" dia. manhole with an 8" sanitary <br /> carry through. <br /> Recommended Solution: Correct restrictions to the system in this intersection by <br /> reconfiguration and/or upsizing necessary to ensure adequate system capacity. <br /> Status: New Project 3/97 <br /> 2. Location: Goodpasture Island Rd. and Valley River Drive <br /> Nature of Problem: Two bubbler catch basins ( #62367 and 62444) discharge the <br /> parking lot drainage from the Executive Parkway Suites onto Goodpasture Island <br /> Road, south of Valley River Drive. From this point there is no positive drainage or a <br /> nearby public structure. As a result, large puddles occur in the driving lane of <br /> Goodpasture Island Road during heavy rainfall events, creating the need to set out <br /> "high water" signs. <br /> Recommended Solution: By means of a permit of entry, easement, or maintenance <br /> agreement with Valley River Center, construct a system which connects the bubblers <br /> to the existing private system; or tie the bubblers into the public system to the north at <br /> 97rehab.de 3/97 bne 1 <br />