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Freeport NIP(7.9)-CS020521May 21, 2002 Steven Markusson, P.E. Pacheco Koch Consulting Engineers 8350 N Central Expwy, Ste. 1000 Dallas, TX 75206 T H E •C 1 T V •O F COPPELL r *.0* F R A S RE: Uline, Inc (Duke Freeport Addition, Lot 5, Block 1) Construction Plan Review Comments Dear Mr. Markusson: The City of Coppell has reviewed the referenced plans and has the following comments to offer: Sheet C1.0 1. The offsite firelane and access easement needs to be dedicated by separate instrument(s) prior to beginning work. 2. In paragraph six of the general notes, the reference to three -way contracts should be removed. Sheet C2.0 1. It should be noted that landscaping should be relocated out of the noses of the existing medians to provide better visibility to traffic exiting from the site. 2. In paragraph five, section B and C should be removed. 3. Please indicate where section B -B is in the plan view. Sheet C3.0 Please show how the drainage from the building gets into the drainage system. There does not appear to be any storm drain lateral stubbed to the building off of line SD5. Sheet C3.1 It appears that there is .28 feet of water stored in the firelane under the detention system as proposed. Have you received permission from the Fire Marshal for storing water within the firelane? Have you explored the possibility of creating your detention outside the limits of the firelane? Sheet C3.2 The proposed 8" waterline that crosses storm drain Line 3 should be concrete encased. 255 PARKWAY P.O.BOX 478 COPPELL TX 75019 TEL 972/462 0022 FAX 972/304 3673 Sheet C4.0 1. Reference the note about the proposed FDC by others: please explain who "others" are. 2. At station 0+12.49 of Line SS -2, the cleanout should be removed and replaced by a manhole. 3. The taps on lines W -1 and W -2 to the existing 12" waterline in Freeport Parkway should be eliminated and only one tap should be provided. That tap would be a 12x8 tapping sleeve and valve and then the domestic and irrigation would come off the 8" line prior to the detector check. 4. The cleanout at 0 +31.52 of sewer line SS -1 should be replaced with a wastewater access device. Sheet C5.0 All details should be removed from these construction plans. The contractor is required to have City of Coppell Standard Details on the job site at all times. Also, please note that if it is your intention to not install a lime subgrade beneath your paving, a written request for waiver must be made to the City. That request is generally approved for private paving as long as the strength of the concrete is increased to 4000 psi or the thickness is increased by one inch. Any paving within public right -of -way still requires a flex -base subgrade. Sheet C6.0 On your Erosion Control Plan, please show the washout area for concrete and the containment area for that washout area. Please make the necessary changes and submit these marked -up plans and two sets of revised plans to the City for the second review. If you have any questions, please contact this office at your convenience. Sincerely, Kenneth M. Griffin, P.E. Director of Engineering Public Works Office Phone: (972) 304 -3686 Fax: (972) 304 -7041 2