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ST9301-CS020925 (2)CITY OF DALLAS September 25, 2002 John Mears, P.E. Dallas County Public works 411 Elm Street, 4th Floor Dallas, Texas 75202 Re: Sandy Lake Rd - McArthur to Coppell E City Limits Dear Mr. Mears: Dallas Water Utilities Relocations has reviewed the proposed street and drainage reconstruction plans for the subject project. From the current review it appears that there are conflicts between the proposed plans and existing DWU facilities in the following locations: 1. Sht.#19/41 2. Sht.#20/42 3. Sht.#20/42 4. Sht.#21/43 5. Sht.#22/44 6. Sht.#24/46 7. Sht.#39 Sta. 44+00+ Possible conflict between proposed edge of paving and existing pressure reducing vault structure. Proposed curb line crosses over existing water valve manholes and vaults. Please re-align paving plan to miss the north edge of existing vaults. Please redesign curb to miss existing water valve manholes. Adjustment of water valve manholes to proposed grade will be necessary. Sta. 45+70+ Proposed 48" lateral crosses close to existing 30" water. Please add a caution note. Sta. 46+20_+ Existing 5' diameter water valve manhole. Adjustment to proposed grade will be necessary. Sta. 49+60_+ Existing 4.5' diameter pitot outlet manhole. Please show manhole on plans. Adjustment to proposed grade will be necessary. Sta. 55+40_+ Existing type 2 air valve and 4.5' diameter manhole. Adjustment to proposed grade will be necessary. Sta. 65+30+ Proposed inlet aligned upon existing 5' diameter water valve manhole. Please re-align inlet. Adjustment of manhole to proposed grade will be necessary. Sra. 30+40_+ = 0+90 (21" Stm. Swr.) Existing 30" water flow line labeled as 430.00'. Please change flow line elevation to 436.3'. DWU 685W-678 sh.15. Should you have any questions or require any additional information, please feel free to call me at 214- 948-4388. Sincerely, Relocations Section Manager C: Suzan Taylor, City of Coppell, C.I.P. Coordinator H. Baha/E.Steitle/File Water Utilities Department En§ineerin§ Services : 320 E. Jefferson, Room 218 o Dallas, Texas 75203 [] 214 / 948-4590 A city utility providin9 regional water and wastewater services vital to public health and safety.