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Lakewood Estates-CS 920622UNZICKER SCHNUREUSCH ASSOCIATES INCORPORATED June 22, 1992 Pierce'-Lundsford and Associates, Inc. Attention: Mr. Jeff Hawkins, P.E. ~i Blvd., $510 Dear Jeff: Thank you for the time you sha~ed with me regarding t~e relocation of the Coppell MUD $1sanltary sewer relocation withln the referenced project. A, ......... ,,~ T have spoken with the sales representa~ive.~or Carlon Pipe regarding =nlS u=~- · ~--~=--~ ~ v~ are aware, we wz~ e~isting 2?-inch sewer l~ne, wn~cn cros~=~ development, with a 30-inch pipe which will be constrUcted within the ex~st~ng and proposed street Rights-of-Way. The proposed 30- inch pipe will bechecked to ensure adequate capacity. I would appreciate it if you could notify me of the design flow you are requiring for this sewer line to be designed. I have asked the Carlon representative's Engineer for a letter regarding the minimum horizontal radius with which the pipe can be constrUcted. He should have it to me within one week, at which time I'll copy you. As you are aware, the sewer line will be constrUcted within street Right-of-Way, including the existing Right-of-Way on Village Parkway. The outside Right-of-Way radius of Village Parkway is approximately 455 feet. I've been verbally informed that the minimum radius the Carlon pipe can be layed on is approximately 250.0 feet, which is less than our design minimum. After our. telephone conversation this past ~ee~, i~ %s .my un~ers~andlng t~at as long as we meet the manuzac=urer s ~eslgn criteria regardlng horizontal curvature, ¥o~ wo~ .911o~ us ~ on the attacne~ ex~lDlt. I woul~ constr~ct t~is line as shown . appreciate it very much if vou would write a letter to that affect addressed to Mr. Steve ~orom wit~ the city.of Coppe~l. ~ you are aware, they prefer to have their sewer £1nes cons=ruc=eu without any horizontal curves. June 22, 1992 Page 2 Also, as you can see on the attached site plan, there will be lots. fronting Village Parkway. Would it be possible to connect sewer service laterals into the 30-inch sewer line for these few lots? We will ..be s.ubmitting the Fina~ Plat and Engineering Plans for this subdivision to the City Engineers office within the next few weeks~ a set of plans will also be sent to yOU for your review. If you have any_questions, please feel free to call. Sincerely, Kevin R. Kendrick, P.E. K~K/lb CC: Ken Griffin, P.E. - City Engineer/Coppell Inspection Department/Coppell LarrYsteve GoromDavis ~ Utility Department/Coppe11 Wa~.on Levell - JWL ~nvestments Kelth Jackson, P.E. Cook, Jackson, Inc.