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RC Townhomes-CS050314COFFELL March 14, 2005 Jason R. Rose Coppell Townhouses, LLC 410 Spinnaker Drive Allen TX 75013 RE: Riverchase Townhomes Addition Dear Mr. Rose: I made a site visit to Riverchase Townhomes on Friday, March 11, 2005. I observed that very little progress has taken place regarding the requested verifications and corrections discussed in our previous in-house meeting held on March Ist at 2:00 p.m. I would like, once again, to take the opportunity to point out some of the concerns related to this project with regard to meeting City of Coppell minimum requirements for Final Acceptance (based on the approved civil plans). 1. As requested, all horizontal and vertical controls need to be re-established and verified including verification of benchmark used to set the proper elevations. 2. It is apparent that damage has occurred to previous installations of storm drain, sanitary sewer and water services. As requested, verify the condition of each of these services by televising and open trench excavation. 3. Soil stabilization of the roadbed it would appear that the lime stabilization on the project was not placed in a manner that would meet horizontal and vertical grades established by the approved civil plans. Furthermore, it would appear that contamination of that portion of sub-grade stabilization is occurring. a) It is and has been my concern that stabilization on this project went outside the boundaries of placement according to City of Coppell Standard Details. Additional testing will be in order in many of the current stabilized subgrade sections (e.g. lime series, plasticity index, and gradation). b) Prior to placement of lime stabilization, I requested copies of the lime tickets be provided to me. I have not received them as of this date. I would request that you look at tonnage indicated on these tickets and do your calculations on the length and width based on placement. Our minimum requirement is 30 lbs. per yard. 4. I also noticed that the standing retaining wall generally at the north and northeast property line is encroaching in an existing drainage area that flows from west to east through MacArthur Park. Verify if wall location needs to be adjusted and/or additional grading needs to be performed. 5. Due to the installation of a portion of the water main that crosses MacArthur Park and is adjacent to the drainage area, the grass sod needs to be placed at this time so growth can be established. If you need assistance with the placement of sod or repair of the existing irrigation system, please contact John Elias of City of Coppell Parks & Recreation Dept. He can be contacted at 972-462-5115. 6. Another concern that was previously mentioned in the March 1 meeting is the location of the fire hydrants and water meter cans/detector checks. City of Coppell Standard Details are specific about locations of these items relative to back-of-curb. The location of the proposed sidewalk is also specified in City of Coppell Standard Details. The backside of the walk is to be one foot off the property line unless otherwise approved. Per our meeting relative to the above concerns, once these corrections are made, we will all meet onsite to verify items are correct according to our requirements. Please contact the Engineering Department when the corrections have been made to set up the meeting date. If you have any other questions or would like to discuss these matters, please feel free to call me. Since/rf~~:~ Construction Inspec or Office: 972-304-3684 Fax: 972-304-3570 Keimeth M. Griffin, P.E., Director of Engineering & Public Works Keith Marvin, P.E., Civil Engineer Greg Jones, Chief Building Official Lee Stone, Building Inspector Tim Oates, Fire Marshal John Elias, Parks Operations Manager Mark Haas, Owner Ron Lustig, Coppell Townhomes LLC Ed Heath, Quantum Contracting Mark Iden, Tarden Concrete MESSAGE CONF I RMAT I ON 03/14~2005 15:25 ID-CITY OF CuPPELL ENGR. DEPT. DATE TIME 03/14 15:Z4 MODE PAGES RESULT CALLING 02 OK 0000 ~000 i~ns3~ s3~u~ 3~OW ~I ~ 3WI±-~ S 3WI± ~/£0 'Id30 '~DN3 333dd03 ~0 90:&~ S00~/~/E0 NO I iUW~ I -~NOD BgUSSBW MESSAGE CONF I RMAT I ON 03~14,2005 17:08 ID=CITY OF COPPELL ENGR. DEPT. DATE 05/14 TIME 17:07 S,R-T T S~x~ ID MODE PAGES RESULT CALLING 02 OK 0000