The South Ankeny Boulevard and SE Shurfine Drive / SW Prairie Trail Parkway Intersection Improvements project includes reconstruction of South Ankeny Boulevard from approximately 900 feet south of SE Shurfine Drive to approximately 1,000 feet north of SE Shurfine Drive, construction of SW Prairie Trail Parkway from just east of SW School Street to South Ankeny Boulevard and widening approximately 400 feet of SE Shurfine Drive from South Ankeny Boulevard to the east. The project also consists of earthwork, PCC sidewalk pavement, water main, storm sewer, new traffic signalization and other associated work generally located both west and east of the South Ankeny Boulevard and SE Shurfine Drive / SW Prairie Trail Parkway intersection.
The improvements include construction of approximately 9,200 CY of earthwork, 2,350 LF of RCP storm sewer between 15-inch diameter and 42-inch diameter, 22 storm sewer structures, 1,055 LF of 10-inch water main, 275 LF of trenched 36-inch steel casing pipe, 150 LF of precast 12’x4’ RCB culvert with precast headwalls, 3,815 SY of 8-inch PCC pavement, 11,470 SY of 10-inch PCC pavement, 1,640 SY of PCC sidewalk, temporary and permanent traffic signalization, subgrade preparation, modified subbase, subdrain, pavement removal, traffic control, pavement markings, erosion control and miscellaneous associated work necessary to complete the project.
The bid opening for the project was held on Tuesday, February 12, 2019. Six (6) bids were received as follows:
1. Alliance Construction Group $3,250,236.25
2. Concrete Technologies $3,572,572.72
3. Absolute Concrete $3,694,470.90
4. Halbrook Excavating $3,996,261.00
5. Rognes Corp. $4,183,883.20
6. Hawkeye Paving $4,408,357.32
The engineer's estimate for the project was $3,382,328.00. The bids ranged from approximately 4% below to 30% above the engineer's estimate. Public Works staff reviewed the bid results internally and with the consulting engineering firm who designed the project. Alliance Construction Group, LLC has previously completed projects of similar nature for the City of Ankeny and Des Moines Metro municipalities. They have the capacity and the technical experience to undertake this project. It is recommended that the project be awarded to Alliance Construction Group, LLC of Grimes, Iowa.
Pending project approval and award by the City Council, the contractor shall substantially complete the overall project within one hundred thirty (130) working days and shall fully complete the overall project within ten (10) additional working days. The Notice to Proceed is expected to be issued in late March 2019.
Should the Contractor succeed in substantially completing the work in less than one hundred thirty (130) working days, an enhancement of payment in the amount of Two Thousand Dollars ($2,000.00) per working day remaining within the one hundred thirty (130) working day deadline, up to a maximum of Fifty Thousand Dollars ($50,000.00) will be issued to the Contractor. |