Staff Report Vicinity Map Aerial Photograph Plat

No. 01PL110 - Vista Lake Subdivision
A request by Fisk Land Surveying for Dakota Land Development to consider an application for a Preliminary and Final Plat on Lots 1-7, Vista Lake Subdivision, Section 8, T1N, R7E, BHM, Rapid City, Pennington County, South Dakota, more generally described as being located on Jackson Boulevard/Highway 44 west north of the Fish Hatchery.

Staff recommends that the Preliminary and Final Plat be continued to the May 6, 2002 City Council meeting as the stipulations of approval have not been met.

PLANNING COMMISSION RECOMMENDATION:
Planning Commission recommends that the Preliminary and Final Plat be approved with the following stipulations:

Engineering Division Recommendations:

1.

A Special Exception is hereby granted to allow a 10 foot radius of curve on the first curve of the proposed road in lieu of the required 15 to 20 foot radius of curve as required by the Street Design Criteria Manual;

2.

A Special Exception is hereby granted to allow a 40 foot radius of curve on the second curve of the proposed road with a maximum speed of 10 miles per hour in lieu of 20 to 25 mph with a minimum 100 foot radius of curve as required by the Street Design Criteria Manual; 

3.

A Special Exception is hereby granted to allow an 18 foot perpendicular staging area at the approach along Jackson Boulevard in lieu of the required 25 foot minimum perpendicular staging area as required by the Street Design Criteria Manual;

4.

A Special Exception is hereby granted to allow a 14% maximum grade along the inside of the second curve of the road in lieu of the maximum allow 12% grade as required by the Street Design Criteria Manual;

5.

A Special Exception is hereby granted to allow a 25 foot radius in lieu of the required 40 foot minimum radius as required by Section 3.2.1 of the Street Design Criteria Manual;

6.

A Special Exception is hereby granted to allow corner-cutting at the intersection on the curve along the first curve of the proposed interior road in lieu of designing the intersection on curve to avoid or to minimize corner-cutting as required by Section 4.2.2 of the Street Design Criteria Manual;

7.

A Special Exception is hereby granted to allow a zero foot separation distance between intersections in lieu of the required 35 foot minimum driveway approach spacing as required by Section 4.2.5 of the Street Design Criteria Manual

8.

A Special Exception is hereby granted to allow a 640 foot long cul-de-sac in lieu of the maximum allowed 500 foot long cul-de-sac as required by the Street Design Criteria Manual;

9.

Prior to Preliminary Plat approval by the City Council, all necessary changes shall be made to the construction plans as identified on the red lined drawings.  In addition, the red lined drawings shall be returned to the Engineering Division;

10.

Prior to Preliminary Plat approval by the City Council, revised site distance calculations for the western approach along Jackson Boulevard shall be submitted for review and approval;

11.

Prior to Preliminary Plat approval by the City Council, a revised drainage plan shall be submitted for review and approval.  In particular sub-basin calculations shall address drainage concerns relative to site grading and development;

12.

Prior to Preliminary Plat approval by the City Council, cross-sections at 50 foot centers of the proposed street, fill slopes and drainage channel shall be submitted for review and approval;

13.

Prior to Preliminary Plat approval by the City Council, the applicant shall demonstrate that the proposed sewer line(s) to be bored under Jackson Boulevard will not conflict or impact an existing 24 inch main water line existing in the Jackson Boulevard right-of-way;

14.

Prior to Preliminary Plat approval by the City Council, a revised utility plan shall be submitted for review and approval.  In particular, a special manhole design and complete utility trench detail shall be prepared showing bedding below and above the pipe installation;

15.

Prior to Preliminary Plat approval by the City Council, a seeding and permanent stabilization plan for the steep embankments along the proposed road shall be submitted for review and approval;

16.

Prior to Preliminary Plat approval by the City Council, a geotechnical agreement identifying the geotechnical scope of services shall be submitted for review and approval.  In addition, a developer’s agreement identifying quality control services shall be submitted for review and approval;

17.

Prior to Preliminary Plat approval by the City Council, a revised construction and design plan for the concrete retaining wall to be located adjacent to the proposed interior road shall be submitted for review and approval;

18.

Prior to Preliminary Plat approval by the City Council, the construction plans shall be revised to show a sidewalk along both sides of the interior road or a Variance to the Subdivision Regulations shall be obtained;

19.

Prior to Preliminary Plat approval by the City Council, a permit shall be obtained from the South Dakota Department of Transportation to allow the proposed retaining wall to be located in the Jackson Boulevard right-of-way;

20.

Prior to Preliminary Plat approval by the City Council, revised construction plans and geotechnical information identifying thicker pavement sections at approach entrances and at non-standard turning radii locations shall be submitted for review and approval;

21.

Prior to Final Plat approval by the City Council, documentation providing a legal mechanism for maintenance of the retaining wall(s) shall be submitted for review and approval;  In lieu of a maintenance agreement, concrete construction of the retaining wall(s) may be utilized;

 

Fire Department Recommendations:

22.

All Uniform Fire Codes shall be continually met;

 

Urban Planning Division Recommendations:

23.

Prior to Final Plat approval by the City Council, the associated Initial and Final Planned Residential Development shall be approved or a Variance to the Zoning Ordinance shall be obtained to reduce the front lot line from 50 feet to 27.54 feet, 29.62 feet, 25.27 feet and 48.43 feet, respectively; and a Variance to the Zoning Ordinance shall be obtained to reduce the minimum lot size requirement in the Park Forest District from three acres to 1.94 acres, .64 acres, 1.38 acres, .70 acres and 1.30 acres, respectively;

24.

Prior to Final Plat approval by the City Council, a subdivision estimate form shall be submitted for review and approval; and,

25.

Prior to Final Plat approval by the City Council, surety for any required subdivision improvements that have not been completed shall be posted and the subdivision inspection fees shall be paid.

Vote: (5 to 3)