SUBAC Testimonials
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“I started in underwater construction in 1978 as a diving tender in the Gulf of Mexico and worked my way up as a diver, saturation diver, supervisor, superintendent, company owner and consultant. Through the years I’ve used every available product for underwater concrete repairs and haven’t found a better product then Subac.
During the Seismic Retrofit of the Richmond/San Rafael Bridge we did extensive testing with the California Transportation Department (CALTRANS) to make Subac a CALTRANS certified product. The 80 divers and tenders that we had working around the clock for almost four years applied truck loads of Subac to the underwater structure of the bridge.
I am currently working on the LNG Terminal Breakwater Installation off of Ensenada, Mexico. The breakwater is made up of 12 each 29,000 metric ton concrete blocks that we float into place. During the construction there is unavoidable damage to the concrete, we use Subac for all of our underwater cement repairs.”
-John Ventress, Underwater and Marine Construction Consultant, Land & Marine, Inc. - Agra Foundations, Inc. used SUBAC on the Richmond-San Rafael Bridge Seismic Retrofit Project for California Department of Transportation. Engineer Ray Fassett explained that AGRA first began using SUBAC at the suggestion of some of the divers who were working on the project. Once the DOT conducted some testing and found that SUBAC met all requirements for bond and compressive strength, it was added to the project’s approved products list.
Fassett said that the job involves the installation of about 500 micro piles, with crews drilling through existing bell-shaped bridge footings to put in permanent casings and perform rock socketing work. Once each shaft is completed, divers are using SUBAC to cap off each footing. “For what we’re doing, it’s a very cost-effective method,” said Fassett. “The divers have said that SUBAC has a good set time to work with, and that it’s easy to use. The state has been regularly checking all the work, and there have been absolutely no issues to report.”
- I've been using Subac for probably 10 years or so.
It's very diver-friendly, easy to mix, easy to apply, and
it cures with the same consistency as concrete when it's in
water. If there's another similar product out there, we don't
know about it because we've had so much success with Subac.
- Jim Rollette, Superior Special Services, Inc. (Schererville, IN)
- We use it on a wooden seawall. As the wood rots out,
we used Subac to keep it together. It serves the purpose of fortifying
the wall, which means we'll get another seven or eight years
out of it instead of just a few. It's easy to use and gives
us a quick fix.
- David Larsen, Bay Lobster Co. (Port Clyde, ME)
- About 90 percent of our work is for hydroelectric power plants,
and we’ve used Subac in a bunch of different ways. It’s really effective
for gate guide repairs, where there’s an awful lot of water flowing
through that causes the concrete to erode. Subac really holds up
under those conditions. It doesn’t wear like concrete. I’m a real
believer in it.
- Steve Galipeau, Commercial Divers Plus (Lancaster, NH)