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Waterside P1-CS 851205 PIERI E-LUNSFORD ASSOCIATES, INI . CONSULTING ENGINEERS RECEIVED 1 0 1985 Ref. No. 153-45, 46 : CF16 RA12/5/5 December 5, 1985 Mr. Ralph Armstrong Mid-Cities Construction Company 1011 Cresthaven Euless, TX 76039 Subject: Water, Sanitary Sewer and Storm Drainage Improvements Raintree Village Waterside Estates, Phase One Coppell M.U.D. No.1 Coppell, Texas Dear Mr. Armstrong: As District Engineer for Coppell M.U.D. No. 1, Pierce-Lunsford has on several occasions expressed concern to you and other Mid-Cities employees as to the progress, performance and workmanship of crews performing work on both of the above subject projects. Though some progress has been made in correcting dificiencies recognized during execution of the work, you are now well beyond the contract time allowed for in the contract documents. The deficiencies listed below require immediate attention by Mid-Cities and subcontractors to get these projects to a level which is acceptable before moving a paving contractor in to pave the Waterside I project and areas in question on the Raintree Village project. Raintree Village: ]. Enclosed is a copy of moisture and soil compaction tests performed by Maxim Engineers on two sanitary sewer lines which have never met utilitv line backfill specification requirements. I understand that the water table was high in this area and perhaps moisture content was the main contributor in these results. It is also possible that the backfill was placed in lifts too thick to get uniform compaction in the ditch lines. If you feel the compaction was sufficient, you need to write a letter accepting responsibility if any of the ditch lines in question under go further settling causeing failure of the paved street or subgrade above. Otherwise you must remove and recompact the existing backfill to required densities and optimum moisture requirements. All other ditch lines are subject to the same criteria. 3'09 CARL3SLE S,U~TE 206 3g01 W. PIONEER PARKWAY. SUITE 100 DALLAS TEXAS 75204 ARLINGTON. TEXAS 76013 :,214) 871-2126 (817) 461-5868 Metro Mr. Ralph Armstronq December 5, 1985 Daqe 2 2. Your concrete curb inlet subcontractor has been slow in qettinq started and finishinq the work. If his work does not improve, you should ~et someone who can satisfactorily perform the work on a timely basis, as we have discussed in previous telephone conversations. 3. Several of the sanitary sewer manholes on site have leaks in the sides of the manhole. The inverts need to be ~routed to improve flow throuqh several manholes. Waterside Estates I: 1. As you are aware, durin~ the weekend of September ]4, some sanitarv sewer lines which were not sufficiently backfilled prior to a heavv rain floated above the ~rade to which they were originally placed. Mid-Cities crews removed and replaced much of this pipe, hut a T.V. camera inspection performed recently on these lines indicated at least two lines had sa~s of at least 2 inches. Repairs performed to date have been insufficient to alleviate the problem. Because two out of the three lines inspected had problems, it mav be necessary to ~nspect additional lines. You must coordinate repairs, T.V. inspections and density testinq of backfills with Pierce-Lunsford, Ginn, Inc. add Maxim Enqineers so that ~ualitv control can be assured to parties responsible for acceptance of the work. 2. The overall site needs to be cleaned up and reqraded before a Davinq contractor is allowed to move on the project. Water is pondin~ in the intersection of Lakeshore and Westwind Drives and needs to be eliminated bv reqradinq areas where utilities were placed and mov~n~ your curb inlet subcontractor on site to minimize pondJn~. Several ditch lines have settled on site and require additional backfillinq and recompactin~. Any ditch lines which still do not meet soil compaction and moisture content requirements will need to be excavated and recompacted. Ag you know, %he Coppell M.U.D. Board elected to DaY almost $50,000 more than the low bid to award the Raintree Village contract to Mid-Cities. This was done in an effort to ~et a better qualitv job with less problems and thereby reduce project inspection, observation and laboratory testin~ costs. Instead these costs have run biqber than normal for a oroject this size, We need to reach an a~reement on the amount of these expenses to be charqed aqainst this contract before final payment. Also, have received no letter from you re~uestinq an extention of time on either project as allowed in the contract documents, so assume you realize they will be assessed at a rate of $150.0~ per day for each project. Mr. Ralph Armstron~ December 5, 1985 paqe 3 If immediate steps are not taken to alleviate the above listed deficiencies and complete the work to a standard acceptable to concerned parties, further steps outlined in the contract documents will be taken to complete the project. To mv knowledqe, no one has asked you to perform any operations not ~n accordance with plans and specificat~.ons or the City of CoDPell subdivision ordinance. As District Enqineers for the Coppell Municipal Utility District No. ]., we strive to work with the developer, contractor, City of Coppell officials and City Enqineer toward the successful and timely completion of all projects. We expect Mid- Cities to do the same. Sincerely yours, PIERCE-LUNSFORD ASSOCIATES, INC. Jeffrey M. Hawkins JMH/DB cc: Mr. Paul Ph¥ Mr. Steve Morton - Ken E. Marchant Custom Homes Mr. Gary Burcham - Triland Development Mr. Steve Pennington - Ginn, Inc.