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Hidden Creek-CS070301DEVELOPMENT REVIEW COMMITTEE ENGINEERING COMMENTS ITEM: PD- 219R -TH -1, Hidden Creek, zoning change request from R (Retail), 0 (Office) and SF -12 (Single Family -12) to PD- 219R -TH -1 (Planned Development -219 Revised Townhouse -1) with a Detail Site Plan, to allow the development of 95 single family dwelling units and four common open space lots on 18.86 acres of property located along the north side of Sandy Lake Road, approximately 400 feet west of the City limit line, at the request of Jason Rose, Haas Rose J.V. STAFF REP.: Gary Sieb PROJECT ID# PD -07 -0015 DRC DATE: February 22, 2007 and March 1, 2007 CONTACT: Kenneth M. Griffin, P.E., Dir.of Engineering/Public Works 972/304 -3686 COMMENT STATUS: PRELIMINARY ✓FINAL REVISED Water Wastewater Plan 1. Based on my review, it appears that the location of your proposed 8" water line, adjacent to the north side of Sandy Lake Rd. and the 8" sanitary sewer line, in that general location, may be in conflict with the Dallas Water Utilities and /or the City of Irving water lines. You will need permission from Dallas and Irving to install water or sewer lines or streets in their easements. If permission is not granted, you will need to revise your water and sewer locations and street layout along the south side of your property. Revisions may reduce the number of lots. 2. Additional manholes and cleanouts may be required during actual plan review. Drainage and Storm Sewer Plan 3. Additional inlets may be required throughout your subdivision. That decision will be made when final drainage information is provided with the plan submittal. 4. When the next submittal is provided please show the FEMA floodplain and the proposed new FEMA floodplain, per Halff and Associates. Site Plan 9. It appears that a portion of the pond near Lots 28, 29, 30 31 is being filled in. Please clarify. If it is being filled in, you will need regulatory permits such as 404 permit, etc.