No. 05PL242 - Canyon Springs Preserve

A request by Wyss Associates, Inc. for Canyon Springs, LLC to consider an application for a Layout Plat on Lots 1 through 87, Canyon Springs Preserve located in Sections 22, 23 and 26, T2N, R6E, BHM, Pennington County, South Dakota, legally described as the balance of the N1/2 NW1/4, Section 26; a portion of the E1/2 SE1/4, Section 22; and a portion of the SW1/4 less Fire House Subdivision, less Lot H1 of the SE1/4 SW1/4 and less lot H2 all located in Section 23, T2N, R6E, BHM, Pennington County, South Dakota, more generally described as being located at 8885 Nemo Road.


PLANNING COMMISSION RECOMMENDATION:
Planning Commission recommended that the Layout Plat be approved with the following stipulations:

1.

Upon submittal of a Preliminary Plat application, a grading plan and an erosion and sediment control plan for all improved areas shall be submitted for review and approval;

2.

Upon submittal of a Preliminary Plat application, a drainage plan shall be submitted for review and approval. In particular, the drainage plan shall provide on-site detention as needed. In addition, the plat document shall be revised to provide drainage easements as necessary;

3.

Upon submittal of a Preliminary Plat application, s ewer plans prepared by a Registered Professional Engineer showing the extension of sanitary sewer mains and service lines shall be submitted for review and approval or a Variance to the Subdivision Regulations shall be obtained. If individual on-site wastewater systems are proposed, then an on-site wastewater plan prepared by a Professional Engineer demonstrating that the soils are suitable for on-site wastewater systems must be submitted for review and approval. In addition, the individual wastewater disposal systems shall be designed by a Professional Engineer meeting all requirements as per the South Dakota Department of Environment and Natural Resources;

4.

Upon submittal of a Preliminary Plat application, a water system analysis verifying the source and adequacy of water quantity and storage capacity for domestic and fire flows shall be submitted for review and approval. In addition, fire hydrants shall be provided at all intersections and intermediate points between intersections with spacing not to exceed 450 feet and at high points in the profile or a Variance to the Subdivision Regulations shall be obtained;

5.

Upon submittal of a Preliminary Plat application, road construction plans for Nemo Road shall be submitted for review and approval. In particular, the construction plans shall show the installation of curb, gutter, street light conduit, water and sewer along Nemo Road or a Variance to the Subdivision Regulations shall be obtained;

6.

Upon submittal of a Preliminary Plat application, road construction plans for Mainline 1, Spur 1-A and Spur 2-F shall be submitted for review and approval. In particular, the streets shall be located in a minimum 52 foot right-of-way and constructed with a minimum 27 foot wide paved surface, curb, gutter, sidewalk, street light conduit, water and sewer or a Variance to the Subdivision Regulations shall be obtained;

7.

Upon submittal of a Preliminary Plat application, road construction plans for the cul-de-sac streets shall be submitted for review and approval. In particular, the cul-de-sac streets shall be located in a minimum 49 foot right-of-way and constructed with a minimum 24 foot wide paved surface, curb, gutter, sidewalk, street light conduit, water and sewer or a Variance to the Subdivision Regulations shall be obtained. In addition, the construction plans shall identify the construction of a permanent turnaround at the end of the cul-de-sacs and an intermediate turnaround every 600 feet, where applicable, with a minimum 110 foot diameter right-of-way and a minimum 92 foot diameter paved surface or a Variance to the Subdivision Regulations shall be obtained;

8.

Upon submittal of a Preliminary Plat application, road construction plans for Spur 1-G shall be submitted for review and approval. In particular, the street shall be located in a minimum 49 foot right-of-way and constructed with a minimum 24 foot wide paved surface, curb, gutter, sidewalk, street light conduit, water and sewer or a Variance to the Subdivision Regulations shall be obtained;

9.

Upon submittal of a Preliminary Plat application, road construction plans for the north-south section line highway and the east-west section line highway shall be submitted for review and approval. In particular, the road construction plans shall show the streets constructed with a minimum 27 foot wide paved surface, curb, gutter, sidewalk, street light conduit, water and sewer or a Variance to the Subdivision Regulations shall be obtained or the section line highways shall be vacated;

10.

Upon submittal of a Preliminary Plat application, a geotechnical report including pavement design shall be submitted for review and approval;

11.

An Exception to the Street Design Criteria Manual to allow a 1,400 foot long cul-de-sac in lieu of a maximum 500 foot long cul-de-sac shall be granted for Spur 1-L with the stipulation that one intermediate turnaround be provided to accommodate fire apparatus and that the street be constructed with a minimum 24 foot wide paved surface;

12.

An Exception to the Street Design Criteria Manual to allow a 655 foot long cul-de-sac in lieu of a maximum 500 foot long cul-de-sac shall be granted for Spur 1-K with the stipulation that the street be constructed with a minimum 24 foot wide paved surface;

13.

An Exception is hereby granted to allow a 15% gradient along a portion of Mainline 1 in lieu of a maximum 12% gradient as per the Street Design Criteria Manual and a maximum 10% gradient as per the International Fire Code with the stipulation that the street be constructed with a minimum 27 foot wide paved surface;

14.

An Exception is hereby denied to waive the requirement to provide visitor parking at a ratio of one paved parking stall per dwelling located within three hundred feet of the residence along Mainline 1, Spur 1-G, Spur 1-L, Spur 2-F and Spur 1-A;

15.

Upon submittal of a Preliminary Plat application, a cost estimate of the subdivision improvements shall be submitted for review and approval;

16.

Prior to Preliminary Plat approval by the City Council, Approach Permit(s) shall be obtained from the Pennington County Highway Department. In addition, acceleration and turning lane(s) shall be provided along Nemo Road as determined by the Pennington County Highway Department;

17.

Prior to submittal of a Final Plat, the plat document shall be revised to provide non-access easements in compliance with the Street Design Criteria Manual;

18.

Prior to submittal of a Final Plat application, a Wild Fire Mitigation Plan shall be submitted for review and approval and the plan shall be implemented;

19.

Prior to submittal of a Final Plat, the applicant shall submit proposed street names to the Emergency Services Communication Center for review and approval. In addition, the plat document shall be revised to show the approved street names;

20.

Prior to submittal of a Final Plat application, the applicant shall submit proof of the legal entity which will provide the mechanism for street maintenance and snow removal. In particular, an agreement with Pennington County shall be submitted for review and approval indicating that the proposed street shall be accepted by Pennington County for road maintenance and snow removal; or evidence shall be submitted for review and approval that a road district has been established in accordance with SDCL 31-12A-1; or a legally binding agreement shall be submitted for review and approval by the City Council which guarantees sufficient financial commitment to provide these services;

21.

Prior to submittal of a Final Plat application, the applicant shall submit proof of the legal entity which will provide the mechanism for maintenance of the community water facility for review and approval;

22.

Prior to submittal of a Final Plat application, the applicant shall submit proof of the legal entity which will provide the mechanism for maintenance of the common area for review and approval;

23.

Upon submittal of a Final Plat application, the plat document shall be revised to show a ten foot wide planting screen easement along Nemo Road or a Variance to the Subdivision Regulations shall be obtained. In addition, the planting screen easement shall not conflict with utility easement(s);

24.

Upon submittal of a Final Plat application, a note shall be placed on the plat document stating that “a reserve drainfield area shall be identified upon submittal of a building permit” and that “on-site wastewater disposal systems shall be mound systems, holding tanks or evapotranspiration systems only if percolation and profile information is not sufficient for conventional systems”. In addition, a note shall be placed on the plat document stating that “all wastewater disposal systems be a minimum of 50 feet from all exposed rock cliffs and major drainage ditches within the development; and,

25.

Upon submittal of a Final Plat application, surety for any required subdivision improvements that have not been completed shall be posted and the subdivision inspection fees shall be paid.


VOTE: (7 to 0 with Andrews, Brewer, Brown, Fast Wolf, Landguth, LeMay and Schmidt voting yes and none voting no)