08-08-2002 Planning Comm. Agenda

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Honorable Chairman and Planning Commission August 2, 2002 Page Three Utility Plan: 1. No HDPE storm sewer pipe will be allowed under the street, however it may be used behind the curb. 2. The maximum pipe grades should not be exceeded on any storm sewer runs. 3. The outlet grate at the top of the staged pond outlet should be pitched to help prevent plugging with debris. 4. Label all valves, bends, and fitting for the watermain. 5. A hydrant should be added near the intersection of Preserve Trail and Preserve Court for fire protection. All hydrants should be placed 5-feet behind the back of curb. 6. The Williams Pipeline gas mains are only shown the first 550 feet east of McMenemy Street. Their location should be provided along the entire site. 7. No information is provided for the sanitary sewer manholes or pipe. 8. It appears that the services to Lots 1 & 2 in Block 2 are being connected directly into manholes. These services should connect to the main with the use of a wye. These services also appear to be over 100-feet long and cleanouts should be provided. 9. A sanitary sewer service detail should be included in the plans. 10. At a minimum, the watermain should be looped down Preserve Trail to Viking Drive. Further review will be completed to determine if the watermain should be looped farther to the east. 11. The water service for the proposed house near Viking Drive should be off of Preserve Trail. General Comments: 1. All Williams Pipeline gas mains and easements should be shown on all sheets. 2. Drainage calculations were submitted but no corresponding drainage area map was provided. A complete drainage packet with both pre-existing and post-development drainage area maps should be submitted for review and approval. 3. It is indicated on the Landscape Plan that the annuals will be taken care of by the homeowners association. Who will own and maintain the remainder of the plants and the community gatehouse? 4. It appears that the developer is proposing to construct a home near Viking Drive. A driveway access onto Viking Drive would be very close to the intersection; therefore we feel the driveway should access Preserve Trail. These are our comments based on the initial review. When all comments have been addressed the plans should be resubmitted for review and further comment. If you have any questions regarding these comments, please feel free to call. Sincerely, Howard R. Green Company Lee Elfering, P.E. Ltr OS-02-02 LC-CC - 2 3 -