Chaucer, Have you determined that discharging the roof runoff overland to the inlet in Proton is not an option under the Town’s drainage standards? Chris Robinson, P.E. Grantham & Associates 1919 S. Shiloh Suite #440, LB 8 Garland, TX 75042 972-864-2333 ext. 121 214-869-8912 cell 972-864-2334 fax ________________________________ From: chaucer chern [mailto:chaucerdesign@gmail.com] Sent: Thursday, April 22, 2010 3:42 PM To: Clay Barnett; Chris Robinson; Ross Harle Subject: Re: revised storm drain, Crown Plaza good afternoon, gentlemen after studying your 2nd review, here is my proposal: 1. install a new storm drain system, composed of 24" grate inlet and 15 and 18" RCP, to guide all roof water back to original 10' curb inlet on the midway road. thus we are not changing the original drainage system, and hence, not adding water to the inlet on the proton street. 2. the new storm line has capacity up to 6 cps, and maintain drainage speed 2' per second at 1% or better slope 3. this system drain into existing 10' curb inlet, which connects to city's line on a existing 18" RCP 4. i'll revise the drainage calculation 5. will continue the plan clean ups for better clarity have a great day respectfully chaucer On Wed, Apr 21, 2010 at 3:22 PM, Clay Barnett wrote: Chaucer, Attached are the comments for Crown Plaza. Thanks, Clay Barnett, P.E. Town Engineer Town of Addison 16801 Westgrove Drive Addison, TX 75001-2818 Office: (972) 450-2857 ****************************************************************************************************************** This e-mail and any files or attachments transmitted with it contains Information that is confidential and privileged. This document may contain Protected Health Information (PHI) or other information that is intended only for the use of the individual(s) and entity(ies) to whom it is addressed. If you are the intended recipient, further disclosures are prohibited without proper authorization. If you are not the intended recipient, any disclosure, copying, printing, or use of this information is strictly prohibited and possibly a violation of federal or state law and regulations. If you have received this information in error, please delete it and notify Hamid Khaleghipour at 972-450-2868 immediately. Thank you. *******************************************************************************************************************