Title
Resolution - A Resolution Authorizing a Change Order and Providing Additional Funds for South Main Street Improvements (Hunt St. to Broad St.) with McMahon Contracting, L.P.
Requested Action
Consider the Resolution authorizing a Change Order to the contract of McMahon Contracting, L.P. for South Main Street Improvements (Hunt St. to Broad St.).
Recommendation
The Engineering Staff recommends approval of the Resolution.
Description/History
The South Main Street project was awarded to McMahon Contracting, L.P. on October 18, 2018 for an amount not to exceed $4,439,944.85. The project is expected to be substantially complete this month.
Justification
The contract award amount was exceeded due to items added to the contract and additional quantities needed to complete the project. See attached Change Order Tabulation for a complete breakdown of these items and their associated costs. These additional improvements and additional quantities represent a sum of $474,052.14, which is 11.21% of the original contract.
The South Main Street Improvements project is a complete-street project requiring reconstruction from right-of-way to right-of-way with critical constraints in many areas. Transitioning to the existing properties at the right-of-way in these areas took very detailed field work and was very challenging. Much of the existing infrastructure was very old with no record drawings to aid in the design process. Also, South Main Street was previously a TxDOT-owned roadway which significantly contributed to lack of knowledge about the infrastructure. This all contributed to more numerous and more significant field changes than a typical roadway reconstruction project of this size.
Additionally, the North Street Asphalt Overlay including crosswalks ($139,438.00) was added as additional scope to this project. The asphalt improvement would have been necessary at some point in the near future. Completing it now will give this area of North Main St...
Click here for full text