ADKO Engineering

Civil

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On-Call Engineering for Napa, CA

ADKO Engineering, Inc. is currently providing on-call/as-needed design, staff augmentation, construction inspection, and construction support services for various County FEMA, HBP, PBMP and Capital Improvement Program projects.

Current project assignments include:

  • Greenwood Avenue Bridge
  • Oakville Cross Road Bridge
  • Devlin Road Extension Project
  • Third Avenue Culvert Earthquake Repair
  • Manley Lane Culvert Replacement
  • Ridgecrest Drive Roadway Restoration
  • Sunnyhill Drive Roadway Restoration
  • Brookside Drive Over Conn Creek Storm Damage Repair

Construction Value: $15 Million
ADKO Fee: $2 Million
Client Reference: Mallika Ramachandran, PE

Manley Lane Roadway Reconstruction:

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Devlin Road Extension Bridge

ADKO Engineering provided PS&E and construction management for the Devlin Seg E Project. Segment E project is approximately 1,100 feet in length, with a 92-foot single span precast prestressed CA Wide Flange Girder Bridge crossing Fagan Creek. The 1,000 feet roadway is supported on TDA. The bridge has three lanes, one northbound, one southbound and a center two-way left turn lane, totaling 40 feet (or 12-foot-wide lanes and 2-foot shoulder), 6 ½ foot curb, gutter and sidewalk both on the east and west sides, and 10 foot wide Class I multi-use path for pedestrian and bicycle traffic on the east side. The project includes bio retention (Water Quality) facilities, storm, sewer, recycled water and water facilities and includes, demolition of two existing buildings (hazardous material abatement on one of the buildings) and other auxiliary work.