Authorize Execution of Change Order No. 4 in the Amount of $523,765.26 to City Secretary Contract No. 46001 with S.J. Louis Construction of Texas, Ltd., and the Addition of 474 Calendar Days for a Total Revised Contract Cost of $16,471,729.28 for Construction of South Shore Sanitary Sewer Replacement Main 253, Part 3 and Adopt Appropriation Ordinance (COUNCIL DISTRICT 4)

It is recommended that the City Council:

1.  Adopt the attached appropriation ordinance increasing estimated receipts and appropriations in the Water and Sewer Capital Fund in the amount of $523,766.00 from available funds; and

2.  Authorize the execution of Change Order No. 4 in the amount of $523,765.26, to City Secretary Contract No. 46001 with S.J. Louis Construction of Texas, Ltd., and the addition of 474 calendar days on the project thereby increasing the contract amount to $16,471,729.28.

On August 5, 2014, (M&C C-26911) the City Council authorized construction of the South Shore Sanitary Sewer Main 253 Replacement, Part 3 Contract (Contract) with S.J. Louis Construction of Texas, Ltd., in the amount of $15,281,160.85. The Contract was subsequently revised by Change Order No. 1 in the amount of $97,000.00 administratively authorized October 8, 2015, Change Order No. 2 in the amount of $510,547.22 authorized March 22, 2016 (M&C C-27645) and Change Order No. 3 in the amount of $59,255.95 administratively authorized October 7, 2016.

Change Order No. 4 will provide compensation for the following items with quantity overruns and additional pay items that are necessary on the project and the addition of 474 calendar days to accommodate delays on the project during construction:

• The replacement of segments of deteriorated 12-inch water and sanitary sewer mains that were encountered during construction in Riverbend Estates.
• The connection of a previously unknown 8-inch sanitary sewer service from Woodhaven Country Club into the project sewer main.
• Turf reinforcement matting to protect the side slope of a project aerial crossing.
• Additional asphalt pavement repair.
• Additional flowable backfill at tunnel shafts.
• Grouted 24-inch block riprap and additional work on subgrade at block riprap.
• Contaminated soil handling and removal.
• Additional expense incurred due to the gas main conflict near I.H. 820 and Randol Mill Road.
• Temporary pavement repair.
• Additional concrete pavement removal and replacement.
• Additional sanitary sewer grouting.
• Additional 20-inch casing by other than open cut.
• Additional 66-inch casing by open cut.
• Additional 8-inch, 36-inch and 42-inch sanitary sewer pipe.

The change order will allow for the deletion of pay item quantities that are no longer needed on the project.

This change order will have no impact on the Water Department's operating budget.

M/WBE OFFICE - S.J. Louis Construction of Texas, Ltd., agrees to maintain its initial MBE commitment of five percent that it made on the original contract and extend and maintain that same MBE commitment of five percent to all prior change orders up to and inclusive of this Change Order No. 4. Therefore, S.J. Louis Construction of Texas, Ltd., remains in compliance with the City's BDE Ordinance and attests to its commitment by its signature on the Acceptance of Previous MBE Commitment form executed by an authorized representative of its company.

The project is located in COUNCIL DISTRICT 4.