Title
Consider and take action on a resolution authorizing Change Order No. 3 with Texas Sterling Construction Co. for the Calder Road Improvements Project (ST1002) in an amount of $468,911.55 for a total increased contract amount of $8,248,042.49 (Director of Budget & Project Management)
Background:
Approval of this resolution will authorize Change Order No. 3 in the increased amount of $468,911.55 for the construction of the Calder Road Improvements Project.
On September 13, 2016, City Council awarded the construction contract for the Calder Road Improvements Project to Texas Sterling Construction Co. in the amount of $7,528,129.70, and authorized a work change directive budget of $752,812.97. The work change directive budget is to be used for minor work changes and change orders that will adjust the contract price and contract time to reflect conditions that unexpectedly arise because of the actual construction development of the project.
On July 11, 2017, City Council approved Change Order No. 1 in the amount of $129,240.24 for additional traffic control, bringing the contract amount to $7,657,369.94. On August 22, 2017, City Council approved Change Order No. 2 in the amount of $121,761 for waterline relocation, bringing the contract amount to $7,779,130.94.
Change Order No. 3 represents an increase to the contract in the amount of $468,911.55. The individual change order items are as follows:
1. WCD No. 3 - Add seven 4-inch PVC to 2-inch galvanized relief vents for GCWA Pipeline. The 39-inch GCWA Transmission pipeline has hydraulic relief vents installed at 6 locations that will be under future concrete pavement. These vents need to be adjusted/extended to the east ROW line, outside of the pavement, and raised above grade to drain into the roadside ditch (increase amount of $48,839 and no days).
2. WCD No. 4 - a temporary fix for the subgrade at Sta. 59+33 for an increase in the contract amount of $5,076.36. A subgrade saturation problem on the...
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