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05/29/2003-PZ-Agenda Packet-RegularAGENDA PLANNING AND ZONING COMMISSION THURSDAY, MAY 29, 2003 201 BOLIVAR 7:00 P.M. 1. Call Meeting to Order. 2. Approve Minutes: May 15, 2003 3. Consider and Possible Action on Final Plat for Quail Run, Phase I. Property is located on Cowling Road. 4. Consider and Possible Action on Preliminary Plat for Redwing Heights, Phase V. Property is located in the E.T.J. off of F.M. 455 West. 5. Adjourn. ,``�/��, •�� SgNG� �G�:• a Rosalie Chavez, City Secre ry 67 Date and Time Posted This facility is wheelchair accessible and accessible parking spaces are available. Requests for accommodations or interpretive services must be made 48 hours prior to this meeting. Please contact the City Secretary's office at (940) 458-7930 for further information. MINUTES: Planning and Zoning May 15, 2003 PRESENT: Jack Richardson, Ralph Cain, Ken Perry, Polly Dwyer, Shelley Ruland, Gail Goodner ABSENT: Ginger Burt OTHERS PRESENT: Assistant City Secretary Samantha Renz, Allen Bussell, Kevin Murphy 1. Jack Richardson called meeting to order. 2. Approve Minutes: April 17, 2003 April 10, 2003 - Special Called Shelley moved to approve minutes as presented, Ken Perry seconded, Motion carried unanimously. 3. Conduct Public Hearing to Consider a Zoning Request Change From Ag (Agriculture) to PD (Planned Development) on Property Legally Described as Abstract 29, Tracts 57, 58 & 59. The Proposed Development is for 251 Single Family lots and a Multi -Family Area. The Property is located on McReynolds Road. Public Hearing opened. Allen Bussell,1621 Amanda Court, indicated he was there to answer any questions and that there were not any changes besides the conditions made by P&Z and Council. Polly Dwyer asked if they talked to Joe Falls about drainage. Allen Bussell indicated they were doing the engineering plans now, and they would handle the drainage before platting. Public Hearing closed. 4. Consider and Possible Action Regarding a Zoning Request Change From Ag (Agriculture) to PD (Planned Development) on Property Legally Described as Abstract 29, Tracts 57, 58 & 59. The Proposed Development is for 251 Single Family lots and a Multi -Family Area. The Property is located on McReynolds Road. Polly Dwyer indicated she did not have a problem with the zoning change. The drainage will always be an issue. Her only concern was that she wanted to see higher end homes in that area. She felt it was a waste of nice space to put small homes in the area. The SF8 zoning was intended for the older parts of town. She asked if the lake would be open or closed to the public. Mr. Bussell indicated it would be up to the Parks Department and whether or not they wanted to maintain it, there original plan was to maintain it in the Homeowners association. Shelley Roland indicated the only difference in SF7 and SF8 is the size of the lot. Discussed size of homes. Mr. Bussell indicated he believed Choice Homes planned on 1400 to 2200 square foot homes. Discussion. Shelley Roland moved to change the zoning from Ag to PD on Property Legally Described as Abstract 29, Tracts 57, 58 & 59. The Proposed Development is for 251 Single Family lots and a Multi -Family Area. Ralph Cain seconded. Motion carried 5 to 1, Polly Dwyer voted no. 5. Consider and Possible Action on a Preliminary Plat for Ridgecrest North, Phase H-A. Kevin Murphy, Developer of Ridgecrest North, indicated he would answer any questions. Polly Dwyer asked if this had come before Planning and Zoning before. Mr. Murphy indicated it came before them about a year and a half ago. Polly Dwyer asked if the Engineer had any issues with plat. Samantha Renz indicated the engineer had approved all items on the plat. Discussed surrounding lot sizes were about 1.1 to 1.3 acres. Ken Perry asked if they were planning to put in gravel streets. Kevin Murphy indicated they would pave the streets. Discussed water and home sizes. Polly Dwyer moved to approve the Preliminary Plat for Ridgecrest North, Phase H-A. Gail Goodner seconded, Motion carried unanimously. 6. Meeting Adjourned. MEMO May 23, 2003 To: Planning and Zoning Commission Fr: Samantha Renz Re: Quail Run, Phase 1 final plat Attached is the information on this plat. This was reviewed by our engineer, Mark Owens, attached is his approval letter. MARK T. OWENS, P.E. GENERAL CIVIL CONSULTING ENGINEER Mr. Jack Smith May 22, 2003 City of Sanger P.O. Box 1729 Sanger, Texas 76266 Re: Quail Run Phase One— Final Plat 157 Residential Lots Sanger, Texas Dear Mr. Smith: Per your request I have completed a final review of a Final Plat and Construction Drawings as prepared and submitted by Dowdey, Anderson & Associates, Inc for the project referenced above. My review comments are as follows: 1. In general the Final Plat and Construction Drawings comply with City ordinances and with standard engineering practices and principles. 2. For the proposed lift station, the developer will be responsible for all costs to make the station fully operational including the cost associated with installing all telemetry and related equipment compatible with the City's current type of equipment. 3. The developer needs to be aware that the water pressure at the point of connection to the City's existing waterline is in excess of 100 psi and they will need to provide some type of pressure reduction or else they could have problems. I would recommend approval of the final plat and construction drawings contingent upon the developer installing 14' wide access gates through all fences to be constructed in conjunction with Lots 1-15 Block E. These gates are required to provide unimpeded access to two (2) existing water lines located in the existing utility easement. We also need to have the developers engineer provide 20 FOLDED 18" x 24" plats prior to the P&Z meeting. If you have any questions or need any further information, please call me at (940) 391-4845. Sincerely; ark T. Owens, P.E. General Civil Consulting Engineer Cc: Dowdey, Anderson & Associates, Inc. P.O. Box 596 PONDER. TX 76259 PHONE: 940-391.4845 FAX: 940.4790593 mdintx@iglide.net MEMO May 23, 2003 To: Planning and Zoning Commission Fr: Samantha Renz Re: Redwing Heights, Phase V Attached is the information on this plat. This was prepared by Mark Owens and reviewed by Thompson Roberts Engineering. All items have been addressed. MARK T. OWENS, P.E. GENERAL CIVIL CONSULTING ENGINEER May 22, 2003 Ms. Samantha Renz City of Sanger 201 Bolivar P.O. Box 1729 Sanger, Texas 76266 Re: Response to The Thompson -Roberts Group Review of Redwing Heights, Phase V Preliminary Plat. COMMENT RESPONSE 8. Is the proposed drainage easement in Block A intended to be public or private (who will maintain the drainage easement — property owner or homeowner's association)? A note has been included on sheet 1.1 that reads "All drainage easements o) are public." A note has been added to sheet 2.1 that reads "Property owner shall maintain drainage easement." 18. We noticed that you are using weighted C-values for your drainage calculations which include a pervious area C-factor of 0.25. Is this based in part on a preliminary geo-technical evaluation? The drainage calculations have been revised to Denton County design standards which require a C-factor of 0.60 to be applied to the entire site ✓ for proposed conditions and 0.25 for existing conditions. Although this new C value is not based on a preliminary goo -technical evaluation, it is my opinion that it produces run-off figures that are much greater than actual run-off flow generated by lots of this size. A note has been included on sheet 2.2 addressing C-values and their revision during final design if necessary. A. Verify legends to actual intervals on all drawings. Two feet is correct and is required. ( Legend appears to be incorrect. ) Legend has been revised. ( a &4tj) B. Designate the surveyor on drawings if different from Engineer. P.O. Box 596. PONDER.TExns 76259 PHONE: 940-391A845 FAX: 940479-0593 mdintx@iglide.net MARK T. OWENS, P.E. GENERAL CIVIL CONSULTING ENGINEER Engineer has prepared all documents for Preliminary Plat. A Surveyor will be designated for the preparation of the Final Plat. C. Notate length of detention pond on detail. A note has been include on detail — sheet 2.2. ( , *"' �'a I Thank you, Mark T. Owens P.O. Box 596. PONDER. TExAs 76259 PHONE: 940-391-4845 FAX: 940-479-0593 mdintx@iglide.net El LEGEND 100.00 PROP SPOT ELEVATION - - �- PROP. DRAINAGE FLOW ARROW 100 'EXISTING MAJOR CONTOUR(10' INTERVAL) r 100 EXI STING MINOR CONTOUR (2 ' INTERVAL) O DRAINAGE AREA DESIGNATION 0.00 DRAINAGE AREA ACREAGE 0.00 100 YR RUNOFF FF = 000.00 FINISHED FLOOR ELEVATION GRAPHIC SCALE 0 100 200 300 400 500 FEET 1..=100' PROPOSED ROAD & DITCH SECTION 24' WIDE HMAC DRIVEWAY CULVERTS W/ STD. TxpOT HEADWALLS ?' SHOULDERS 2' SHOULDER--ow- BAR DITCH-►- CROWN m Imin '(' ------ --- - - ------------_-_ UT%TIONS DESIGN TIME INTEN- DIS- CHANNELIZED FLOW T IM OF STORM S ITY CHARGE CONC. FREQ. L S T (MIn) (in/hr) (cts) I _ >10 30 100 - YR 5.70 44.0 PRE 50-YR 5.40 41.7 I j >10 30 100 - YP, 5.70 85.2 POS' - 50 - Y R 5.40 80.7 25 - Y R 4.60 68.8 10-YR 4.00 59.8 NOTE: "C" VALUES BASED ON DENTON COUNTY SUBDIVISION REGULATIONS FOR PROPOSED RESIDENTIAL USE (0.50) AND PASTURE LAND (0.25). VALUES ARE SUBJECT TO CHANGE WITH REVISIONS TO SAID REGULATIONS AT THE TIME OF FINAL DESIGN. M TO DEED N JO DRAW MTO CHECKED ! SCALE Moajz vARIES vE RI MONTH YR FEB 2003 RECISION BY PATE The Thompson -Roberts Group 2750 Virginia Parkway, Suite 107 McKinney, Texas 75o7o cPhone 214-544-7721 Fax 469-742-o382 ♦ • www.thompson-roberts.com May 20, 2003 Ms. Samantha Renz City of Sanger 201 Bolivar P.O. Box 1729 Sanger, Texas 76266 RE: REDWING HEIGHTS, PHASE V PRELIMINARY PLAT REVIEW Dear Ms. Renz: We have completed review of the changes made per our comments in regard to our letter dated April 11, 2003. Our review is based on good engineering practice and the requirements established in the City of Sanger's Subdivision Ordinance (hereafter referred to as "ordinance".) Our review does not relieve the design engineer of his responsibilities as the engineer of record in accordance with the Texas Engineering Practices Act. Below, please find a list of our comments that need to be readdressed: 8. Is the proposed drainage easement in Block A intended to be public or private (who will maintain the drainage easement — property owner or home owner's association)? 18. We noticed that you are using weighted C-values for your drainage calculations which include a pervious area C-factor of 0.25. Is this based in part on a preliminary geotechnical evaluation? Also, please provide the following items: A. Verify legends to actual intervals on all drawings. Two feet is correct and is required. (Legend appears to be incorrect.) B. Designate the surveyor on drawings if different from Engineer. C. Notate length of Detention Pond on Detail. "Quality a5'endce, By Desig 1" SM Ms. Samantha Renz May 20, 2003 Page 2 If you have any questions or require any further clarifications, please do not hesitate to contact US. Sincerely, The Thompson -Roberts Group C 4E. X4*r�� William E. Thompson, P.E. CEO 2 "Quality Service, By Design"sMM Apr-11-2003 12:25pm From- T-211 P.002/003 F-125 T'he Thompson -Roberts Group 2750 Virginia Parkway, Sane 107 McItinney, Texas 75M Phone =4-544-7ni Fax 40-742-0382 www thompson-robertsoom April 11, 2003 Ms. Samantha Renz City of Saar 201 Bolivar P.O. Box 1729 Sanger, Teas 76266 RE: REDWING HEIGHTS, PHASE V PREIMMARY PLAT REVIEW Dear Me. Renz: We have completed our initial review of the eonstructiow plans and the final plat provided by you for the referenced project. Our review is based on 'good engineering practice and the requireanents established in the City of Sangees Subdivision Ordinance (hereafter referred to as "ordinance".) Our review does not relieve the design ° engineer of his responsibilities as the engineer of record in accordance with the Texas Engineering Practices Act. Below, please find a list of our comments: 1. FM 455 right of way width should be -specified. 2. Adjacent prop" to the east should be identified by the record owner. 3. Identify subdivision acreage in the title block. 4. Tract description should be provided for the subdivision. 5. The proposed use for the 15.004 acre tract at the North and of the subdivision should be specified. 6. If the North remainder 4s to be included in this plat a lot and block designation should be provided. 7. The proposed street bisecting Blocks A and B should be named and tie corresponding right of way width identified. 8. Is the proposed drainage easement in Block A intended to be public or private? "Qua ty Smdoe, By Desi9n,"m Apr-11-2003 12:25po Fray- T-211 P-003/003 F-125 ML SmnmW aRent April 11, 2003 Page 2 9. The dementions should be provided for the said drainage easement. 10. It appears as though the dementions of 113.73 feet along the frontage of Lot 10 Block A and Lot 9 Block B are inaccurate. 11. Add a demention between the 16 foot U.E. and D.E. and the 15 foot water easement. 12. Is the .overhead electric line within the Southern portion of this subdivision or within FM 455 right of way? 13. The austing and proposed water mains for the subdivision should be shown on the plat. 14. Across section of the proposed street identifying type, width, and-loca6on should be provided. I S. An Approval Block should be added to the prelmunary plat per subdivision ordinance Section 4.03(F). 16. Right of way drainage at the North end of Block A and B should be identified by' . direction of flow and 'a plan should be identified to carry -the Sow East -along the' 15.004 acre tract. 17. Provide additional detail for the proposed detention pond discharge outfall South -toward FM 455. 18. We noticed that you are using weighted C-values for your drainage calculations which include a pervious area C-factor of 0.25. Is this based in part on a preliminmy gootechnical evaluation? If you have any questions or require any giber clarifications, please do not hesitate to contact US. Sincerely, The Thompson -Roberts Group William E. Thompson, P.E. CEO