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Posted: March 28, 2017
Rapid City
Agenda Item Summary

Agenda Item Ref. #: PW032817-17

Agenda Item Title:

Appeal of Denied Exception Request from Sperlich Consulting on Behalf of DOECK, LLC to not Construct A Water Main and A Sewer Main in Haines Avenue adjacent to Auburn Hills Subdivision (City File 17EX048).

Origination Group:
Public Works Committee
Origination Meeting Date:
03/28/2017
City Council Hearing Date:
04/03/2017
Petitioner:
Sperlich Consulting on behalf of DOECK, LLC
Staff Contact:
Nicole Lecy, Project Engineer
Location:
Proposed Lot 21, Block 4, Auburn Hills Sub, SW1/4NW1/4 Less Auburn Hills Sub, Less ROW, Section 13, T2N, R7E, BHM, Rapid City, South Dakota.
Agenda Item Summary:
The petitioner applied for an exception request to waive the requirements to provide additional pavement, curb, gutter, sidewalk, handicap ramps, street light conduit, dual water mains and sewer main in Haines Avenue adjacent to the proposed plat (City File 17EX048). Staff has approved of the requests for additional pavement width, curb, gutter, sidewalk, handicap ramps, street light conduit and a second dual water main. However, Staff has denied the requests for a single water main and a sewer main in Haines Avenue. The petitioner is appealing the Staff denial of water and sewer to the City Council. Staff has denied the exception request based on the following: Subdivision improvements are required for all adjacent roadways during the platting process. Haines Avenue is adjacent to the proposed plat for approximately 475’ and the City has master plans showing the extension of a water main and a sewer main within this area of Haines Avenue to serve future development to the north. The Infrastructure Design Criteria Manual Section 3.5.4 and 3.5.5 states that water and sewer mains shall be extended across the full frontage of each parcel to be served, thus the proposed plat requires the installation of mains in the adjacent Haines Avenue. The extension of mains across the full frontage of the parcel allows the utilities to be available to neighboring properties. The proposed lot within Auburn Hills Subdivision is provided access and utilities through Coal Bank Drive and Chalkstone Drive, however, the improvements in adjacent roadways are required with the platting process even if they aren’t needed to specifically serve the development. A 12” water main is master planned in the north/east boulevard of the road and an 8” sewer main also is master planned. A dual water main is not needed at this time. Both water and sewer should be extended by the developer from their existing terminus at Haines Avenue and Cobalt Drive within the Haines Avenue right-of-way across the full frontage of their property, creating a water main connection to a live water main and creating a sewer main connection to a dry sewer main. Additional sewer infrastructure is needed downstream for this to become a live sewer main able to provide sewer service. Requiring the connection to the existing mains at the Haines Avenue and Cobalt Drive requires extension of approximately 100’ of utilities outside of the proposed plat frontage on Haines Avenue, in a location that the developer has previously platted adjacent to Haines Avenue and not constructed the improvements.

Funding Source & Fiscal Impact (if applicable):

Funding Cost Center

Recommendations:

Origination Recommendation Action:
Reject
Origination Recommendation Notes:
Deny. The developer should be responsible to extend water and sewer from their current terminus at Haines Ave and Cobalt Drive within the Haines Avenue right-of-way
City Council Options:
1) Uphold the denial of the appeal; 2) Approve appeal; 3) Amend the denial of the appeal in whole or in part.
Published in 2017 PW Agenda Items
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