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Mr. Scott Harlicker • <br /> September 22, 1999 <br /> Page Two <br /> 4. There are a couple of small drainage areas that are collected by catch basins and conveyed <br /> to the storm sewer proposed for the main street through Elk River Crossing. We question <br /> whether or not the storm drainage calculations for the main street included these tributary <br /> areas from the Wal-Mart site. <br /> 5. The watermain around the perimeter of the building is currently shown only fed from the <br /> main street within Elk River Crossing. We would recommend that a second feed, most likely <br /> from the northeast corner to Tyler Street be provided so that in the case of a fire, water is <br /> always available. The fire chief has reviewed the plan and recommended that this large of a <br /> commercial structure the hydrants be placed every 300-feet around the perimeter. Currently <br /> there are 4 hydrants shown around the perimeter. The 300-foot spacing would require an <br /> additional 3 hydrants. <br /> 6. It is City policy that any watermain which contains hydrants must be publicly maintained and <br /> operated. Therefore an easement is necessary for this watermain loop around the building <br /> and the two sources of feed. This is not the case with the sanitary sewer. The sanitary <br /> sewer serving the Wal-Mart building would be considered a private service, even though it is <br /> 8-inches in diameter, therefore it does not need an easement. All of the storm sewer within <br /> the Wal-Mart site would also be considered private. <br /> If you have any questions regarding these comments or would like additional information • <br /> concerning any of these items please call. <br /> Sincerely, <br /> Howard R. Green Company <br /> Alad <br /> Terry J. aurer, P.E. <br /> • <br /> O:\PROJ\808330\0240\330-1502.sept9Ydl5d arc R Green Company <br /> CONSULTING ENGINEERS <br />