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Vistas of C 1stP-AG 960326CITY COUNCIL AGENDA REQUEST FORM MEETING: March 26, 1996 ITEM ITEM CAPTION: Discussion and consideration of approving a Water Line Development~ Agreement, a Sanitary Sewer Impact Fee Credit Agreement and an Alternative Drainage ~.provement Agreement between the City of Coppell and Vista Partners and authorizing the Mayor to/lign. SUBMITTED BY: Kenneth M n, .. TITLE: Assistant ( i~Manager/'City Engineer INITIALS ~ STAFF COMMENTS: See attached memo. STAFF RECOMMENDATION EXPLANATION: Approval Staff will be available to answer any questions at the Council meeting. BUDGET AMT. $ AMT. EST. $ FINANCIAL COMMENTS: +/- BUD:$ FINANCIAL REVIEW: CITY MANAGER REVIEW: Agenda Request Form - Revised 1/94 Document Name eng.04 MEMORANDUM To.' From: Mayor and City Council Kenneth M. Griffin, P.E., ACM/City Engineer Discussion and consideration of approving a Water Line Development Agreement, a Sanitary Sewer Impact Fee Credit Agreement between the City of Coppell and Vista Partners and authorizing the Mayor to sign. Date: March 18, 1996 On May 9, 1995, Council approved an agenda item authorizing staff to negotiate a drainage contract with Vista Partners that allowed for a $10,000 up front payment and an additional credit to the Roadway Impact Fee of $115,000. The agreement entitled "Agreement for the Acquisition of Alternative Drainage Improvements" is the agreement prepared that would Satisfy those two items that Council has previously agreed upon. As a reminder, the basis of the agreement was the ability of the City to reroute water to a drainage system that Vista had built through their property located north of Denton Creek at a time when the property was considered to be within the City of Lewisville. By allowing the City to discharge into that system, there ends up being a savings in excess of the amount offered as credit to Vista to the overall project that includes the construction of Denton Tap Road from Parkway Blvd. north to the north city limits. The second agreement entitled "Agreement for Sanitary Sewer Impact Fee Credit" is an agreement whereby Vista is requesting reimbursement for the oversizing of various lines within their property as authorized by the Subdivision Ordinance. The Subdivision Ordinance allows an oversizing reimbursement for anything over 12" in diameter. Vista is requesting that oversize reimbursement for the 18" sanitary sewer being constructed that would service not only their property but also the property referred to as Magnolia Park and the area west of Magnolia Park all the way to S.H. 121. The approximate amount of the oversizing reimbursement requested by Vista is $75,150. In lieu of a check being processed to Vista, Vista is agreeable to take that credit as an offset to their sewer impact fees at such time as the property develops. The third agreement entitled "Water Line Development Agreement" is a request by Vista to be reimbursed for the construction of a 12" water line adjacent to and on the south side of S.H. 121 running from Denton Tap eastward all the way to MacArthur Blvd. The approximate cost of the reimbursement is $304,200. The reason behind this request is that the 12" water line was used in the calculations of our Impact Fee Schedule for Water Systems. Our Impact Fee Ordinance states that they can get credit for the construction of that line as long as the credit does not exceed the dollar amount used in the study for the anticipated cost. The dollar amount used in the study was $60/per foot, which is referred to in paragraph one. The 79.3 % comes from the fact that the line from MacArthur to Denton Tap is 79.3 % of the total length of the line as outlined in the Impact Fee Capital Improvement Plan. Once this line is in the City water system, we will be connecting the 12" water line currently under construction along North Denton Tap Road to it. We will then begin seeking ways to construct the missing link south from S.H. 121 along MacArthur Blvd. to the Peninsulas of Coppell. Once this line is in the water system, it will provide dual feeds to the north side of Coppell and should increase volumes and pressures along the northern edge of Coppell. All three agreements have had extensive legal review by an attorney for Vista Partners and by Peter Smith. It is my opinion that by signing the drainage agreement the City is gaining an alternative way to discharge water, thereby, potentially saving a substantial amount of dollars in the construction of North Denton Tap Road; 2) by approving the water agreement the City is gaining a valuable link in the water system for the north side of Coppell; and 3) by approving the sewer agreement the City is basically complying with its Subdivision Ordinance. Staff recommends approval of all three agreements and recommends that the Mayor sign all three agreements. Staff will be available to answer any questions at the Council meeting.