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Mr. Steve Ach • <br /> March 22, 1994 <br /> Page Four <br /> • SHEET C3.4 <br /> The proposed storm sewer line and easement across the school property from <br /> the pond at the southwest corner of the plat to Freeport Avenue must be <br /> shown. <br /> The watermain along Freeport Avenue will be an 8-inch line from the south <br /> plat line to School Street, rather than the 16-inch line shown.. <br /> • SHEET C4.1 <br /> A landing area should be provided where Freeport Avenue intersects Jackson <br /> Avenue. <br /> The driveway on the south side of Freeport Avenue at station 33+50 needs <br /> the grades to be adjusted to allow for a flatter landing area. <br /> The driveway on the west side of Freeport Avenue at station 27+75 needs a • <br /> high point at the right-of-way line to keep the Freeport Avenue drainage in <br /> the street. <br /> Catch basin#17 rim elevation is shown as 935.08; this should be 936.08. <br /> Drainage over bituminous surfaces should have a minimum of 1% with a <br /> recommended grade of 1.5% to 2%. Several areas are at or below the <br /> recommended 1% minimum grade. Some areas of concern are as follows: <br /> - Drainage going east from in front of the Cub Foods store and the <br /> buildings to the north. <br /> - Drainage from islands east of catch basins #39 through 42 to the catch <br /> basins. <br /> - Area in loading ramp on north side of Cub Food store to catch basin <br /> #72. <br /> Catch basin #71 is at high point, rim elevation should be checked. <br /> • SHEET C4.2 <br /> Why is manhole 64A necessary? Could manhole #64 connect directly to <br /> manhole #63? • <br /> TJM:tp <br /> 230/152-2212.mar <br />