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Item 4FCITY OF SOUTHLAKE Department of Planning & Development Services STAFF REPORT May 28, 2014 CASE NO: ZA14-043 PROJECT: Plat Showing for Lots 9-12, J. Childress No. 254 Addition EXECUTIVE SUMMARY: David and Lisa Wyatt are requesting approval of a Plat Showing for Lots 9-12, J. Childress No. 254 Addition on property described as Tract 3D2, J. Childress Survey, Abstract No. 254, City of Southlake, Tarrant County, Texas and located at 3010 Lake Dr., Southlake, Texas. Current Zoning: "SF-20B" Single Family Residential District. SPIN Neighborhood #2. REQUEST: The applicant is requesting approval of a four -lot Plat Showing to divide a single tract of land into four lots in conformance with a Zoning Change and Concept Plan (ZA08- 056) for four lots that was approved on September 2, 2008. An associated four -lot Plat Showing was also approved September 2, 2008, but it was never filed and it expired one year after approval. The proposed plat is consistent with the approved Zoning and Concept Plan and the Plat Showing that were approved in 2008. The Tree Preservation Ordinance requires 60% of the existing tree canopy cover to be preserved. A variance to allow a minimum of 50% of the tree canopy to be preserved was approved with the Zoning Change and Concept Plan on September 2, 2008. The Tree Preservation Plan presented with this application conforms to the plan that was submitted in 2008. ACTION NEEDED: Consider approval of a Plat Showing ATTACHMENTS: (A) Background Information (B) Vicinity Map (C) Plans and Support Information — Link to PowerPoint Presentation (D) Plat Review Summary No. 2, dated May 16, 2014 (E) Full Size Plans (for Commission and Council Members Only) STAFF CONTACT: Ken Baker (817)748-8067 Richard Schell (817)748-8602 Case No. ZA14-043 BACKGROUND INFORMATION OWNER/APPLICANT: David and Lisa Wyatt PROPERTY SITUATION: 3010 Lake Drive LEGAL DESCRIPTION: Tract 3D2, J.H. Childress Survey, Abstract No. 254 LAND USE CATEGORY: Medium Density Residential CURRENT ZONING: "SF-20B" Single Family Residential District HISTORY: - A residence was built in 1955 and demolished in 2014. - The property was annexed into the City in 1957 and given the "AG" Agricultural District designation. - A Zoning Change and Concept Plan (ZA08-056) from "AG" Agricultural District to "SF-20B" Single Family Residential District showing four lots was approved September 2, 2008. - A Plat Showing (ZA08-057) for four lots was approved September 2, 2008, but the plat was never filed and it expired after one year. TRANSPORTATION ASSESSMENT: Master Thoroughfare Plan The Master Thoroughfare Plan does not make any recommendations for roadways adjacent to the proposed subdivision. :e19:14%\'6` MASTER PLAN: Neither the Pathways Plan nor the Sidewalk Plan provide any recommendations for this section of Lake Drive. The approved Concept Plan shows the required four -foot sidewalk to be installed with construction of the homes on each lot. WATER & SEWER: Water: This site will be serviced by an existing 8-inch water line in Lake Drive. Sewer: The applicant is showing an 8" sewer line at the rear of Lots 9, 10 and 11 to serve those lots and a connection to an existing 8" sewer line in Lake Drive to serve the southernmost lot. The applicant is checking with the City to determine if the 8" sewer can be connected to the existing sewer in Lake Dr., and, if so, the 15' utility easement at the rear of Lots 9, 10 and 11 can be removed and replaced by a 5' utility easement that will extend along the entirety of the rear property lines of Lots 9 — 12. DRAINAGE ANALYSIS: Based on the City's existing 2' contour lines, the drainage for this property is generally to the northwest with portion draining to the east towards the road. A small portion of the property, approximately .38 acres, also drains to the southwest towards Dove Estates. The preliminary drainage plan submitted by the engineer for this property reduces the drainage to the northwest approximately 30 percent and also reduces the drainage to the southwest approximately 10 percent by redirecting the flow out to the street. Case No. Attachment A ZA14-043 Page 1 The engineering department recommends that a final drainage plan be developed and submitted to Public Works for review and approval along with the utility construction plans prior to filing of the plat. The approved drainage plan should be kept on file with building inspections and the property should be developed using this grading plan in order to minimize the impact to the residents in Dove Estates. Post development runoff from Lots 9, 10, 11 and 12 shall have no adverse impact of the abutting Dove Estates lots. An increase in runoff to these lots is not permitted (Ordinance No. 605). TREE PRESERVATION: The Tree Preservation Ordinance requires 60% of the existing tree canopy cover to be preserved. A variance to allow a minimum of 50% of the tree canopy to be preserved was approved with the Zoning Change and Concept Plan on September 2, 2008. PLANNING AND ZONING COMMISSION ACTION: May 22, 2014; Approved on consent (4-0) subject to the staff report dated May 16, 2014 and Plat Review Summary No. 2, dated May 16, 2014. STAFF COMMENTS: Attached is Plat Review Summary No. 2, dated May 16, 2014. Case No. Attachment A ZA14-043 Page 2 Vicinity Map 3010 Lake Drive CT f 400 0 400 B00 1200 Feet E Case No. ZA14-043 ra Attachment B Page 1 APPROVED CONCEPT PLAN LOT 19 j I j LOT 24 LOT 25 III \ LOT 26 1 I� LOT 30 -----_-� I i 1 s us _N01'14'04"E�--� -_ sv.e. I i ----- - 0 -----430.56'-_- I _709.89_ 07.50' I I 10_,.00' 106.26' - - - - -- ZL---- -------= ------- LOT 18 60 i su.e.------- P. O II Z Z N -565 ,OD B. CC:i I 1 40' B.L. --z m ----40- 6 ----1 c I----- - Z --- tO LOT 31 0o I N I ^ i--- i N (-----4 B.L. N4� CS I ' cc Ir _ rn h ml I- �I _ I aI f I I I1 Im �I � IW ml II^I. LOT 1 I oo I I m �� rl m .I ....... rl EXM LOT 12 A OT 11 i w �� I LOT 9 I I 1REE oi (20,375 SO FT)` c.�l (20.139 SO FT) i (20,0025 SOOFT) + 20.027 SO FT) '1 LOT 33 I O IA L, I/ �. 10'UL W I I RIGHT En 1�9ri-rr"t nor- - 107.50� -t 108.00' at I DED C 7� LAKE DRIVE A - � - - - 50' RIGHT-OF-TAY- � 9 1' -7_ PLAT SHOWING ra 109 9 !/ e + s — _- — — _ _ ---J `-----N0,14'0 E 470 / J ;It 'ag I I m'= I — Sotror00'M A&8Y — — I a 50f ro]'pp"W iga,63' (BASE BEANWc) .� t 'w 429.eW 0101a'E sE eE, _ - 0 - - - - _ LAKE ORIt� _ - A VARIABLE N10iH RICHT-OF-WAY - _ -: - - _ A €4 a a s� oN Case No. Attachment C ZA14-043 Page 1 PLAT REVIEW SUMMARY Case No.: ZA14-043 Review No.: Two Date of Review: 05/16/14 Project Name: Plat Showing — Lots 9-12, J. Childress No. 254 Addition (3010 Lake Dr) APPLICANT/OWNER: David & Lisa Wyatt 2101 Connor Lane Colleyville, TX 76034 P: F SURVEYOR: Peiser & Mankin Surveying LLC. 623 E. Dallas Rd. Grapevine, TX 76051 P: (817)481-1806 F: (817)481-1809 tmankin@peisersurveying.com CITY STAFF HAS REVIEWED THE ABOVE REFERENCED PROJECT RECEIVED BY THE CITY ON 05/14/14 AND WE OFFER THE FOLLOWING STIPULATIONS. THESE STIPULATIONS ARE HEREBY MADE CONDITIONS OF CONCEPT PLAN APPROVAL UNLESS SPECIFICALLY AMENDED BY THE CITY COUNCIL. IF YOU HAVE ANY QUESTIONS OR NEED FURTHER CLARIFICATION, PLEASE CONTACT RICHARD SCHELL (817) 748-8602. 1. Revise the signature block to match the format below. Plat Showings (2 or more lots) Approved by the Planning & Zoning Commission Plat Revisions Date: _ Chairman: P&Z Secretary: _ Approved by the City Council Date: Mayor City Secretary: Tree Conservation/Landscape Review E-mail: kmartin@ci.southlake.tx.us Keith Martin Landscape Administrator Phone: (817) 748-8229 The proposed 8" sanitary sewer along the west side of the lots will alter a 24" Elm and a 7" Hackberry. These two trees are within the easement and the sewer line is located directly through them. Please designate these trees as marginal, or to be removed. If the 8" sewer can be located in Lake Dr., the trees can be shown as to be preserved. The Tree Preservation Ordinance requires 60% of the existing tree canopy cover to be preserved. A variance to allow a minimum of 50% of the tree canopy to be preserved was approved with the Zoning Change and Concept Plan on September 2, 2008. The Tree Preservation Plan presented with this application conforms to the plan that was submitted in 2008 with the exception of a few trees that were dead and/or diseased that were removed with the house demolition. Public Works Review Case No. Attachment D ZA14-043 Page 1 Alejandra (Alex) Ayala, P.E. Civil Engineer Phone: (817) 748-8274 E-mail: aavalaa-ci.southlake.tx.us GENERAL COMMENTS: This review is preliminary. Additional requirements may be necessary with the review of civil construction plans. Provide preliminary water, sewer, drainage and grading plans for this development. 3. Civil construction plans shall include plan sheets for pre -construction, post -construction and permanent erosion control measures and stabilization. Sidewalks shall be constructed with each dwelling. Use the City of Southlake GPS monuments whenever possible. Monument locations can be found in the City of Southlake website: http://www.citvofsouthlake.com/index.aspx?NID=266 EASEMENTS: Water and sanitary sewer cannot cross property lines without being in an easement or right of way. All waterlines, sanitary sewer and storm sewer in easements or right of ways must be constructed to City standards. WATER AND SEWER COMMENTS: 1. Verify the location of the existing 8" sanitary sewer in Lake Drive and determine if the proposed lots can be served by the existing main. Please contact Wastewater Operations for locations of taps on Lots 9 & 12. If the sewer can be connected to the existing sewer in Lake Dr., the 15' utility easement at the rear of Lots 9, 10 and 11 can be removed and replaced by a 5' utility easement that will extend along the entirety of the rear property line of Lots 9 — 12. Water lines cannot cross property lines without being in an easement or right of way. The size of the water service taps must match the size of the meters. There are no reducers are not allowed. Water meters and fire hydrants shall be located in an easement or right of way. IQMil 1k Five] ; Kde]►Y,ILY,lEll kIII &_1 The engineering department recommends that a final drainage plan be developed and submitted to Public Works for review and approval along with the utility construction plans prior to filing of the plat. The approved drainage plan should be kept on file with building inspections and the property should be developed using this grading plan in order to minimize the impact to the residents in Dove Estates. Post development runoff from Lots 9, 10, 11 and 12 shall have no adverse impact of the abutting Dove Estates lots. An increase in runoff to these lots is not permitted (Ordinance No. 605). Provide a drainage area map which extends beyond the property boundary and shows the overall impact of the development on the watershed. Case No. Attachment D ZA14-043 Page 2 3. Provide grading plan containing 2' contours which shows direction of post development runoff. Contours may be obtained from the City of Southlake. 4. Proposed driveway culverts shall be sized by an engineer and submitted for approval to the City Engineer. Discharge of post development runoff must have no adverse impact on downstream properties and meet the provisions of Ordinance No. 605. INFORMATIONAL COMMENTS: * Submit 22"x34" civil construction plans and a completed Construction Plan Checklist directly to the Public Works Administration Department for review. Please allow 15 business days for review. The plans shall conform to the most recent construction plan checklist, standard details and general notes which are located on the City's website: http://www.citvofsouthlake.com/PublicWorks/engineeringdesign.asp * A right of way permit shall be obtained from the Public Works Operations Department (817) 748-8082 to connect to the City's sewer, water or storm sewer system. * A Developer Agreement may be required for this development and may need to be approved by the City Council prior to any construction of public infrastructure. Construction plans for these improvements must be acceptable to Public Works prior to placing the Developer's Agreement on the City Council agenda for consideration. * Any hazardous waste being discharged must be pretreated per Ordinance No. 836. *=Denotes informational comment. Fire Department Review Kelly Clements Assistant Fire Marshal (817) 748-8671 E-mail: kclementsa-ci.southlake.tx.us GENERAL COMMENTS: An automatic fire sprinkler system will be required for residences over 6,000 square feet. (per 2009 I.F.C. Sec. 903.3.1.3 as amended) Submit plans to Reed Fire Protection, 14135 Midway Road, Suite G260, Addison, Texas 75001. Phone 214-638-7599. All residential fire sprinkler systems shall have an audible notification device on the inside and outside of the structure, with the exterior device capable of being audible to a neighbor or from the public street fronting the property. FIRE LANE COMMENTS: Fire apparatus access needs to be provided within 150 feet of all exterior portions of the perimeter of the residence on a "hose -lay" basis if un-sprinkled, and within 250 feet of all exterior portions of sprinkled residences. Fire apparatus access needs to be an all-weather surface, asphalt or concrete, a minimum of 10 feet wide and able to support the imposed loads of fire apparatus. (A minimum of 80,000 pounds GVW) Case No. Attachment D ZA14-043 Page 3 If fire apparatus access is required further than 150 feet from the public street, and approved turn- around must be provided for fire apparatus. This approved turn -around must be placed at a point where the apparatus will not be required to back-up more than 150 feet to turn around and exit the property. FIRE HYDRANT COMMENTS: The residence must be located within 1,000 feet of a fire hydrant, measured as the hose would be laid, or an additional hydrant will be required. Community Service/Parks Department Review Peter Kao Construction Manager 817-748-8607 pkao(aD_ci.southlake.tx.us Park Board comments or recommendations: All applicants are required to appear before the Park Board to discuss park dedication issues if requesting fee payments or fee credits. Please contact the Community Services Department at (817) 748-8607 for further details. Land/park dedication requirements: Residential developments must provide dedicated parks and/or open space at a ratio of one (1) acre of park land for every forty (40) dwelling units. If fee payment is approved by City Council in lieu of land dedication, residential park dedication fees in the amount of $3000 per dwelling unit x 2 new dwelling units= $6000 will be required. Fees will be collected with the approved developer's agreement. Pathway Comments: Should provide pathways consistent with Southlake Master Pathways Plan. Should provide pedestrian access to and from Trail System connections. Should provide 4ft+ concrete sidewalks on both sides of all public and private streets consistent with Article V Street and Right -Of -Way Requirements of the Subdivision Ordinance and all State of Texas accessibility requirements. Other informational comments? Informational Comments A "Certificate of Taxes Paid" indicating that there are no delinquent taxes owed on the subject property from each taxing authority must be provided to the City prior to filing this plat in the County records. A copy of this information may be obtained from the Tarrant county Tax Assessor/Collector's Office located at 100 E. Weatherford St. in Ft. Worth (across from the old red courthouse). There is a service charge of $10 per account for this certificate. For more information contact the Assessor/Collector's office at (817) 884-1103. All lots must comply with the underlying zoning district regulations for the SF-20A district and the Concept Plan approved under Case ZA08-056. Please submit a revised blackline "check print" prior to submitting blackline mylar and paper copies with original signatures. Case No. Attachment D ZA14-043 Page 4 Original signatures and seals will be required on one blackline mylar and two blackline paper copies prior to filing the plat. Mylars and paper copies will not be accepted if any erasures or original ink, other than signatures or seals, appear on the plat. A Developers Agreement is required prior to construction of any public infrastructure. The Developer's Agreement for this addition should consider streets, drainage, park dedication requirements and fees, off -site sewer extensions, off -site drainage and utility easements and impact fees. Case No. Attachment D ZA14-043 Page 5