DATE: July 19, 2016
TO: Mayor and City Council
FROM: Director of Public Works
SUBJECT
Title
Runway 10R-28L Rehabilitation Project at Hayward Executive Airport: Award of Contract
End
RECOMMENDATION
Recommendation
That Council adopts the attached resolution (Attachment I) awarding the contract to DeSilva Gates Construction LP, in the amount of $1,731,543.50 for the Runway 10R-28L rehabilitation project; and authorizing the expenditure of $408,456.50 for contingencies, construction inspections, testing and administration.
Body
BACKGROUND
On April 19, 2016, Council approved the plans and specifications for the Runway 10R-28L Rehabilitation Project at the Hayward Executive Airport, and called for bids to be received on May 17, 2016.
DISCUSSION
Runway 10R-28L is primarily used by jet and turboprop aircraft and is the most critical runway for aircraft approaching the airport. As previously discussed at the Council Airport Committee meeting on January 22, 2015, rust resulting from the oxidation of iron minerals in the pavement aggregate is penetrating through the existing runway markings, thus reducing the contrast between the dark pavement and white paint markings. Additionally, the oxidation process, if left unabated, would result in the rock aggregates continuing to separate from the pavement surface, potentially causing damage to aircraft. A specialist from the airport's consultant, AECOM, evaluated the runway and recommended that milling the existing pavement and applying a two-inch asphalt lift with a proper mix should alleviate the rust issue. It was determined there are no sealants or other chemical products on the market that can successfully address this issue as an alternative to removing the oxidized pavement layer and repaving the runway.
On May 17, 2016, four bids were received for the Runway 10R-28L Rehabilitation Project. DeSilva Gates Construction LP, of Dublin, California, submitted the low...
Click here for full text