Project Details

Location
United States Air Force – 60 CES, Travis AFB
Contract Cost
$916,786.00
Date of Commencement
September 2022
Date of Completion
April 2023
Project Owner
USAFB-Sewer Repair Project
Contract Number
FA4427-13-D-0104
Type of Contract
Design Bid Build (DBB)

Project Description

TSI Engineering delivered comprehensive sanitary sewer rehabilitation across multiple project zones at Travis Air Force Base. The scope included system cleaning, structural pipe rehabilitation, manhole restoration, pipeline lining, lift station installation, and associated pavement and site restoration.

All work was performed on an active Air Force installation under strict excavation permitting, environmental compliance, utility coordination, and base security requirements.

Scope Highlights

  • Sewer cleaning, root removal, and CCTV inspection (pre- and post-rehab).
  • CIPP lining, pipe bursting, and selective pipe replacement.
  • Manhole rehabilitation, sealing, and corrosion protection.
  • Horizontal directional drilling and underground utility work.
  • Lift station and force main installation.
  • Pavement removal and full surface restoration (HMA, base, concrete).

Performance

  • Mobilized within 10 days of Notice to Proceed.
  • Completed within 120-day contract duration.
  • Maintained base operations during active sewer tie-ins and bypass work.
  • Achieved full compliance with federal construction and environmental requirements.