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Item 7B Zoning Change and Concept Plan for Lots 19, 20 & 21 H. Granberry No. 581 Addition ZA15-074 1 APPLICANT: Sempco Surveying, Inc. REQUEST: 1st Reading Approval of a Zoning Change and Concept Plan from “AG” Agricultural Zoning District and “RE” Single Family Residential Estate District to “SF-2” Single Family Residential and “RE” Single Family Residential Estate District for Lots 19, 20 & 21 H. Granberry No. 581 Addition LOCATION: 859 and 911 S. White Chapel Blvd. ZA15-074 The request is for approval of a Zoning Change and Concept Plan for Lots 19, 20 & 21 H. Granberry No. 581 Addition from “AG” Agricultural Zoning District and “RE” Single Family Residential Estate District to “SF-2” Single Family Residential and “RE” Single Family Residential Estate District to create three residential lots on approximately 13.786 acres. The applicant is also requesting approval a Plat Revision (ZA15-075) to revise the boundaries of the existing platted lot and unplatted tract into three lots that conform to the concept plan. 2 3 The Low Density Residential category is for detached single-family residential development at a net density of one or fewer dwelling units per acre. Net density is the number of dwelling units per net acre, which excludes acreage in all public rights-of-way. The purpose of the Low Density Residential land use category is to provide for and to protect low intensity detached single-family residential development that promotes the openness and rural character of Southlake. 4 5 Proposed Concept Plan Proposed “SF-2” Lot – ± 2.5 Acres Proposed “SF-2” – ± 4 Acres Proposed “RE” Lot – ± 7.240 Acres Fire Marshal comments The concept plan proposes two SF-2 single family residential lots adjacent to S. White Chapel and on RE Residential Estate lot to the east. The SF-2 lots are approximately 2.5 acres for the northern lot and approximately 4 acres for the southern lot. The SF-2 district requires a minimum lot area of 2 acres. The proposed RE lot is approximately 7.24 acres. The RE district requires a minimum lot area of 5 acres. The RE lot shows the front building line moved back so that the 300’ minimum lot width that is required in the district is met. A variance is required to allow the panhandle lot as shown. I have a separate slide that covers the variance requests. City sewer is available at the northeast corner of the site, so all three lots will be required to connect to City sewer. There are a couple of Fire Marshal comments that will have to be addressed prior to issuance of building permits. There must be approved turnarounds to allow fire trucks to get within 150’ of all unsprinklered buildings and all buildings must be within 1000’ of a fire hydrant on a hose lay basis. 6 Two Variances Requested Perpendicular / Radial Lot Lines Residential Panhandle Lot 7 Tree Survey The Tree Preservation Plan shows that there is approximately 11% tree cover on the site, which requires 70% of the existing cover to be preserved. The applicant is proposing to preserve approximately 87% of the existing tree cover on the site. 8 Plat Revision 300’ Front Lot Width per “RE” Regulations A 4’ sidewalk is required along S. White Chapel Blvd. 9 Planning & Zoning Commission - August 20, 2015 Approved (5-0) subject to the staff report dated August 14, 2015 specifically approving the variances requested with regard to the residential panhandle lots, the radial lot lines, specifically making the motion subject to Review Summary No. 2 dated August 14, 2015; Also conditioning the motion on the applicants willingness to connect sewer to the new home to be built on Lot 20 and to a new home to be built on Lot 19 after the existing home is razed; Noting the applicants willingness to contact the owner of the home on Lot 21 prior to the City Council meeting and inquiring on their willingness to connect to sewer and report to City Council; Noting the applicants willingness to provide drainage study information prior to the City Council meeting. 10 Questions? 11 Highlands drainage area 12 Drainage area map 13 Proposed 8-inch water line 14 Proposed 6-inch sewer line 15 Storm drain layout 16 Sanitary sewer layout 17