FRP Tank Repairs and Relining of Three 70k Gal Tanks

California Tank Refurbish Including Tank Repairs and Tank Lining

70,000 gal each x 3 tanks​
Diameter = 14 feet, Length ~ 70 ft ​
Sodium Hypochlorite​
San Francisco Bay Area, CA​

Tank Testing and Inspection Performed:

1. 1. Dew Point Tests​
   2. Barcol Hardness Tests​
   3. Adhesion Tests​
   4. Acetone Sensitivity Tests​
   5. Wireless Temperature Monitors​

Nozzle Replacement:

1. 1. 8 inch flange was cut and replaced with a new 8” integral FRP flange (one piece construction). ​
   2. ASME RTP-1 standards (eg. thickness and overlays) to install the new FRP laminates for the new flange.​

Corrosion barrier removed​
Typically 100 mils thick corrosion barrier is removed until sound substrate is achieved. ​

Test for Sound substrate after corrosion barrier removal

Other Tests to verify substrate is ready for FRP lamination:​

1. pH​
2. chemical tests​

Rebuild internal FRP layers​
Resin/Catalyst System: Derakane 411 BPO/DMA w/ post-cure heat​

New Flanges Installed​
Fill nozzle replaced

Environmentals – Dew Point​
Specifications:​
Ts – Td > 5 deg F​
Ts > 60 deg F​
Proper environmental conditions must be maintained during FRP lamination​

Professional Tank Repairs and Tank Linings Serving the San Francisco Bay Area

You can expect your job to be handled quickly and with care. Our quality products, experienced fabricators, top-notch on-site technicians, and prompt service are qualities that set us apart from the competition.  This is reflected in our multi-decade long relationships with the top refineries, chemical companies, utilities, waste water treatment plants and many others in the Bay Area and Northern California.

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