B-18 (C8-2020-0188.0A - 1940 Webberville Road Subdivision; District 1).pdf — original pdf

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SUBDIVISION REVIEW SHEET CASE NO.: C8-2020-0188.0A COMMISSION DATE: April 12, 2022 SUBDIVISION NAME: 1940 Webberville ADDRESS: 1940 Webberville Rd. APPLICANT: 1940 Webbervile Road, LLC AGENT: Southwest Engineering (Alberto Gutierrez) ZONING: SF-3-NP (single family residence) NEIGHBORHOOD PLAN: MLK - 183 AREA: 1.005 acres (43,778 sf) LOTS: 5 COUNTY: Travis DISTRICT: 1 WATERSHED: Fort Branch JURISDICTION: Full Purpose SIDEWALKS: Sidewalks will be constructed along Webberville Rd. VARIANCE: none DEPARTMENT COMMENTS: The request is for the approval of 1940 Webberville final plat comprised of 5 lots on 1.005 acres (43,778 sf)). Staff recommends approval of the plat, subject to the conditions listed in the attached comment report. After the conditions are met, the plat will comply with LDC 25-4-84(B). The conditions include updating plat notes, clarifying drainage requirements and easement, and submitting fees. These are administrative actions that require no discretionary review. An application that has been approved with conditions may be updated to address those conditions until the application expires and the plat does not need to be heard before the Commission again. STAFF RECOMMENDATION: Option 2: Staff recommends approval of the plat, subject to the conditions listed in the comment report dated April 7, 20022, and attached as Exhibit C. CASE MANAGER: Cesar Zavala PHONE: 512-974-3404 E-mail: cesar.zavala@austintexas.gov ATTACHMENTS Exhibit A: Vicinity map Exhibit B: Proposed plat Exhibit C: Comment report dated April 7, 2022 E M A R T I N L U T H E R K I N G J R B L V D W E B B E R V I L L E R D PROJECT LOCATION Civil Environmental Planning TBPE No.: 1909 www.swengineers.com 205 Cimarron Park Lp. Suite B Buda, Texas 78610 (512) 312-4336 1940 WEBBERVILLE ROAD SUBDIVISION 1940 WEBBERVILLE ROAD AUSTIN, TX 78721 1940 WEBBERVILLE RD, LLC Date: File: Scale: Tech: Project No.: 05/06/2020 Exhibit N.T.S. LS 0690-004-19 LOCATION MAP CITY OF AUSTIN –DEVELOPMENT SERVICES DEPARTMENT SUBDIVISION APPLICATION – MASTER COMMENT REPORT U2 512-974-3404 1940 Webberville Road Subdivision 1940 WEBBERVILLE RD C8-2020-0188.0A CASE NUMBER: REVISION #: UPDATE: 00 CASE MANAGER: Cesar Zavala PHONE #: PROJECT NAME: LOCATION: SUBMITTAL DATE: March 28, 2022 REPORT DUE DATE: April 7, 2022 FINAL REPORT DATE: April 7, 2022 STAFF REPORT: This report includes all staff comments received to date concerning your most recent subdivision application submittal. The comments may include requirements, recommendations, or information. The requirements in this report must be addressed by an updated submittal. The subdivision application will be approved when all requirements from each review discipline have been addressed. If you have any questions, concerns or if you require additional information about this report, please contact your case manager at the phone number listed above or by using the contact information listed for each reviewer in this report. Any change to the plan/plat shall not cause noncompliance with any applicable code or criteria. In addition, any change to the plat may trigger new comments. UPDATE DEADLINE INFORMATION (LDC 25-4-56; 25-4-82): All comments must be addressed by filing an updated submittal prior to the update deadline of April 18, 2022. Otherwise, the application will expire. If this date falls on a weekend or City of Austin holiday, the next City of Austin workday will be the deadline. Extension of Review Period, Extension of Update Deadline and Tolling of Application Period do not apply to applications for preliminary plan, plat or subdivision construction plans (LDC 25-1-88; 25-1-89; 25-1- 90). UPDATE SUBMITTAL INSTRUCTIONS (LDC 25-1-83): 1. Applicants must make an appointment with Intake Staff (512-974-1770 or LURIntake@austintexas.gov ) in order to submit an update. 2. Your update must include the following items: a. This report b. The revised plat/plan in pdf format c. A letter that addresses each comment in the master comment report 3. Updates must be submitted on an approved submittal date, between the hours of 8:30 am and 4:00 pm. Refer to the submittal calendar for a list of approved submittal dates. REVIEWERS: Planner 1 : Cindy Edmond AW Utility Development Services : Derek Tucker PARD / Planning & Design : Scott Grantham Electric : Cody Shook Drainage Engineering : Kyle Virr Subdivision : Nicholas Coussoulis Water Quality : Kyle Virr Electric Review - Cody Shook - Cody.Shook@austinenergy.com EL 1 – EL 2. U1: Comments pending. As per correspondence with applicant, requested easements along western and eastern lot lines will stop at existing utility poles so that northernmost corner of lot remains open for proposed drainage facilities. Please note that electric and drainage easements may not overlap. Please show easements on face of plat. ATD Engineering Review - Lee Miller - 512-974-6472 A joint-use driveway used as alternative access for a single-family residential use may serve not more than eight dwelling units. LDC 25-6-451(C). Provide a plat not restricting the number of dwelling units accessing the single joint use access easement driveway. If more than 3 residences are served by a single joint use driveway, the following requirements shall apply: U1: Plat notes 22, 23, and 24 should be removed from sheet 2. Please remove the additional sentence ATD 1. U1: Comment Cleared. ATD 2. at the end of note 27. U2: Comment Cleared. ATD 3. Show a survey tie across all existing streets bordering or traversing this subdivision and show the entire right-of-way for Webberville Rd. to verify right-of-way width. LDC 25-4-131. U1: It appears that the ROW dedicated on the plat may be more than necessary in locations. Total ROW required per ASMP is 78’. From the centerline of Webberville Rd. 39’ should be dedicated on applicant side of roadway. GIS data indicates existing ROW is 63’ at the most, so confirmation of dedication amount may be needed. U2: Comment Cleared. ATD 4. U1: Comment Cleared. Please remove “for street purposes” from the label in the hatched dedication area. Drainage Engineering Review - Kyle Virr - 512-974-2538 Release of this application does not constitute a verification of all data, information, and calculations supplied by the applicant. The engineer of record is solely responsible for the completeness, accuracy, and adequacy of his/her submittal, whether or not the application is reviewed for code compliance by city engineers. DE1: DCM 1.2.2(D) states, “Stormwater runoff peak flow rates shall not be increased at any point of discharge from a site for the two (2), ten (10), twenty-five (25) and one hundred (100) year storm frequency events”. Please provide the information necessary to verify compliance. U1: Comment stands. U2: Pending DE6. DE2 to DE4: CLEARED DE5: Please provide plans and details for the proposed detention pond to demonstrate plans comply with all requirements on ECM 1.2.4 (E). U1: Comment stands. U2: Since the city maintains all single family ponds, this reviewer has reached out to the Watershed department group that maintains plans to verify that all requirements are met. Comment pending. DE6: Please add the peak flows leaving the detention pond for each of the storm events to the summary table to demonstrate compliance with DCM 1.2.2(D) which states, “Stormwater runoff peak flow rates shall not be increased at any point of discharge from a site for the two (2), ten (10), 25 and 100-year storm frequency events.” U1: Comment stands. U2: Please add the peak flows leaving the detention pond for each of the storm events. In order to qualify for payment in lieu of water quality run-off will need to sheet flow prior to being concentrated. PARD / Planning & Design Review - Scott Grantham - 512-974-9457 DE7 to DE8: CLEARED Update 1: PR1. The parkland dedication and park development fee is required (City Code §25-1-601) and must be paid prior to approval. Due to SF-3 zoning, the fee for 10 units must be paid because each lot is large enough for a two-family residential use. Invoices will be issued with the next update. U1: Thank you for your response. Comment pending payment of fees. PR2. Add the following note to the plat: A fee-in-lieu of parkland dedication and park development has been paid for 10 units due to SF- 3 zoning. U1: Comment cleared. Subdivision Review - Nicholas Coussoulis - Nicholas.coussoulis@austintexas.gov SR 6. If fiscal is required replace Note #11 with the following note. 25-1-83, 25-4-38, 25-4-84 or 30-1- 113, 30-2-38, 30-2-84 "This subdivision plat was approved and recorded before the construction and acceptance of streets and other subdivision improvements. Pursuant to the terms of a Subdivision Construction Agreement between the subdivider and the City of Austin, Dated ____________, 20__, the subdivider is responsible for the construction of all streets and facilities needed to serve the lots within the subdivision. This responsibility may be assigned in accordance with the terms of that agreement. For the Construction Agreement pertaining to this subdivision, see the separate instrument recorded in Doc#. ____________________, in the Official Public Records of _________ County, Texas." Update 1: Verify if fiscal is needed for the case. If fiscal is not needed, remove note #11. Update 2: Fiscal is not required for this case, delete Note #11 from the plat. SR 7. Comment Cleared. SR 15. The site contains existing structures. a. If the structures will be removed or demolished, the plat can be approved, but will not be recorded until the structures are demolished. The plat must be recorded no later than 80 business days after approval. 25-1-83 b. if the structures will remain, submit a scaled drawing that shows the existing structures and the new lot lines. The structures must meet setbacks from the new lot lines, and the new lots must comply with any applicable impervious cover (IC) and building cover (BC) limits. Include calculations for IC and BC. 25-1-83; 25-2-492 Update 1: Forward a copy of the vacated property after the existing structures have been demolished. Update 2: FYI This comment needs to be addressed prior to the recording of the plat. SR 17. Comment Cleared. AW1. Uniform Plumbing Code: AW Utility Development Services - Derek Tucker - 512-972-0077 Obtain copies of your current tap records from the AW TAPs office at (512)-972-0000 and contact Cory Harmon (or his designee) at (512)-974-2882 or Cory.Harmon@austintexas.gov to determine if any non-compliant tap or private plumbing violations will be created by the proposed subdivision and obtain his approval. Written approval from Mr. Harmon will be required for successful plat release. Water Quality Review - Kyle Virr - 512-974-2538 Release of this application does not constitute a verification of all data, information, and calculations supplied by the applicant. The engineer of record is solely responsible for the completeness, accuracy, and adequacy of his/her submittal, whether or not the application is reviewed for code compliance by city engineers. WQ1: Provide a water quality plan using the assumed impervious cover as described in Land Development Code Section 25-8-64. Include all items specified in the Subdivision Application Packet, Page 17. U1: Please utilize ECM 1.6.4(B) and provide justification for payment in lieu of water quality. U2: Pending DE6. WQ2: ECM 1.6.8 states, “On-site control of the two-year storm is achieved when the developed- conditions peak runoff rate leaving the site for a given drainage area is less than or equal to the existing-conditions runoff rate. The flow rates can be considered equal if the developed rate is no more than one-half (0.5) cfs greater than the existing rate or if the developed rate is no more than one-half (0.5) percent greater than the existing rate and there are no existing erosion problems downstream of the site” (LDC 25-7-61). Please provide compliance. U1: Pending pond design from DE comments. U2: Pending DE6. In order to qualify, run-off will need to be sheet flow prior to being concentrated. WQ3 to WQ4: CLEARED End of report