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HomeMy WebLinkAboutItem 06 - Parr Road ConstructionMEMO TO: FROM: MEETING DATE: SUBJECT: RECOMMENDATION: ITEM +1 HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL ROGER NELSON, CITY MANAGER DECEMBER 3, 2002 CHANGE ORDER NO. 3 & FINAL — PARR ROAD CONSTRUCTION PROJECT City Council consider approving Change Order No. 3 & Final to the Parr Road Construction Contract in the amount of $96,473.18 for various items required during the construction of the Parr Road project, authorize staff to execute said Change Order, and take any necessary action. FUNDING SOURCE: Funds are currently available and programmed as follows: Funding Source Account Amount Award Percent 99 GO Bonds 178-78101-010 $458,665 12.6% 00 GO Bonds 178-78102-011 $2,643,091 $89,273.18 72.7% Peripheral Fees 178-21512-000 $179,950 $7,200.00 4.9% 99 Utility Bonds 200-48930-534-5-000010WA $147,595 4.1% Water Impact Fees 200-48930-534-6-000004WA $161,766 4.5% Parks Admin Spec Services 100-44540-312-1 $4,500 .1 Roberts Rd. Peripheral St Fees 178-21406-000 $39,409 1.1% TOTAL $3,634,976 $96,473.18 100% Budget Amount Award Percent Engineering $282,500 7.8% Construction $3,065,817 $96,473.18 84.3% Testing $43,000 1.2% ROW Acq $109,384 3.0% Contingency $134,275 3.7% TOTAL $3,634,976 $96,473.18—1 00% BACKGROUND: The Parr Road project has continually proved challenging because of temporary traffic routing, detour construction and the narrow width of the finished pavement. The narrow pavement precluded the contractor's option of building one-half of the pavement section and then maintaining two-way traffic on the newly constructed section while the remaining half of the pavement was constructed. The 27 -foot wide pavement section required that half of the roadway be constructed while a temporary asphalt detour lane was constructed and used to maintain two-way traffic north and south while maintaining access to residential driveways. Included in the change order are the following items: • The concrete retaining walls were extended to better transition to the existing grade in the vicinity of the sidewalks, roadway and adjacent back yards. The extensions were approximately 30 feet in length at the southwest corner of Barberry Drive and Parr Road and approximately 15 feet in length in the northwest corner of Majestic Oak and Parr Road. ($10,055.00) • Additional modular block wall was added at various locations to provide smooth transitions and tie-ins to existing grades. The walls were extended approximately: • 40 feet on the east side of Parr Road north of O'Dell Court, • 50 feet on the west side of Parr Road south of High Cliff Drive to tie into the hike and bike trail, • 25 feet in the southeast corner of Woodland Hills Drive and Parr Road to support an existing rock wall and • 70 feet in the southwest corner of Parr Road and Parr lane. Additionally, the initial quantities were under estimated by approximately 10%. ($45,143.19) • Wall construction at the southeast corner of Parr Road and Parr Lane was modified from the original plans due to subsurface water and resulting wet soil conditions, utility conflicts, parkway grade modifications and tie-ins to existing grades at the driveway onto Parr Road. ($4,351.55) • An additional 774 linear feet of 4" yellow lane line were included at the recommendation of the City traffic engineer to delineate the edge of traffic islands and to establish the park entrance centerline for traffic safety. ($8,570.67) • Additional sod totaling 1,550 square yards was installed in residents' yards to complete grass tie-ins to existing yards and around the perimeter of the additional Parr Park parking that provides 38 additional parking spaces. ($4,495.00) • An additional 670 cubic yards of Flex base was used to provide temporary access to driveways for residents during construction due to extended wet weather. This quantity of Flex base was also used in -lieu of asphalt in the modified detour plans implemented to provide access to Parr Lane. ($16,094.16) • Five inlets were added to the contract to help drain Parr Park at the request of the Parks Department. The Parks Department provided $ 4,500.00 in funding for these inlets. ($8,250.00) • Oncor damaged the Parr Road pavement when boring a utility line beneath the pavement north of Odell Court. The damage was repaired by our contractor and the cost was reimbursed to us from Oncor. By including the repair in the construction contract, the project bonds will cover the repaired pavement. ($7,200,00). • Miscellaneous adjustments credit (+$7,686.39). 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