File #: 23-0566    Version: 1 Name: DR2005 Bay Ridge Flood Reduction Phase 2 WCD Transformer Relocation
Type: Agenda Item Status: Approved
File created: 11/21/2023 In control: Capital Projects
On agenda: 2/13/2024 Final action: 2/13/2024
Title: Consider and take action on a resolution authorizing a Work Change Directive #2 to the construction contract of C4 Partners, LLC related to the Bay Ridge Flood Reduction - Phase 2 (DR 2005), in an amount not to exceed $247,363.75 (Executive Director of Capital Projects)
Attachments: 1. Data Sheet, 2. Proposed Resolution, 3. Proposed WCD #2 and C4 Partners, LLC Change Order Cost Estimate, 4. Copy of Approved WCD #1, 5. Exhibits of Transformer Relocation, 6. Aerial Map of Bay Ridge Subdivision
Topic:
Consider and take action on a resolution authorizing a Work Change Directive #2 to the construction contract of C4 Partners, LLC related to the Bay Ridge Flood Reduction - Phase 2 (DR 2005), in an amount not to exceed $247,363.75 (Executive Director of Capital Projects)
Background:
Approval of this resolution will authorize funding for a Work Change Directive #2 (WCD #2) to the construction contract of C4 Partners, LLC related to the Bay Ridge Flood Reduction - Phase 2 (DR 2005).

The proposed Work Change Directive is being requested in support of the drainage project DR 2005 - Bay Ridge Flood Reduction - Phase 2, currently under construction, to relocate the transformer, add additional electrical conduits, and add rock riprap at the outfall. During design phase, the City, consultant, and Texas-New Mexico Power (TNMP) conducted a series of TEAMS meetings to discuss the location of the transformer and other possible conflicts and coordination. TNMP’s determined that the original location of the transformer was suffice.

However, during construction, when City staff coordinated with TNMP on the proposed location of the transformer as shown in plans and spotted in the field, the TNMP staff determined that area around the transformer pad is too narrow for service and maintenance by them as well as the City. They recommended moving the pad to a more open area which is farther. Options were considered for this relocation before location was finalized. The contractor must run approximately 100 feet of 3 - 3-1/2” conduits and wiring embedded in concrete encasement, install a new 4’x4’x4’ junction box, saw cut, remove and replace a section of concrete driveway pavement, to complete this relocation. Additionally, to bring power into site, approximately 550 feet of 2 - 6” conduits and conductors in a direct bury trench is needed between TNMP power pole and the transformer.

WCD #2 also includes unforeseen weather-related additional pump-down hours, above th...

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