Shipyard Finds Safe Product Without Sacrificing Performance
The Bollinger Machine Shop & Shipyard in Lockport, La., is directing special attention to the ballast tanks on its ships. Since this shipyard constructs numerous vessels of every size, shape and purpose, a lot of ballast tanks are involved.
Ballast tanks receive intermittent exposure to salt water and require protection from corrosive damage. Fumes that sometimes build up in poorly ventilated ballast tanks can create a hazardous situation for both workers and the ship itself.
Bollinger initiated a search for a marine/ industrial coating system that would give suitable protection and would be essentially non-hazardous when used in confined areas.
Studies led Bollinger's engineers to Bywater Coatings, Division of Bywater Sales & Service Company, Inc. (BYCO) of Belle Chasse, La.
BYCO is the producer of a water-based protective coating system designed for use in dry voids, interiors of grain barges, cargo holds, hatch covers, linings for potable water tanks, and ballast tanks. This two-component, high solids, water-dispersed system is called Versa-Kote 3-WB and is made up of a specifically designed polymer and a pigmented activator.
Versa-Kote 3-WB, which can be applied by conventional or airless spray, adheres tenaciously even to marginally prepared steel surfaces and a variety of other substances.
Thorough testing proved this modified cementitious coating to be impervious to heavy abuse, thus meeting Bollinger's stipulations on durability.
Attention was directed next to safety features of this material. Versa-Kote 3-WB's water-based nature eliminates the amount of flammables escaping into the atmosphere and requires no special precautions when sprayed in a confined area. Upon application of this protective coating in the ballast tank, much of the water hydrates to harden the cement.
Remaining aqueous vapors are harmless to the workers and do not impede curing due to high vapor concentration in the enclosed space. Repeated tests convinced Bollinger that Versa-Kote 3-WB was a safer product to use as well as a very acceptable tank coating that required minimum surface preparation.
Based on these conclusions, Bollinger began to recoat ballast tanks on several of its existing ships with Versa-Kote 3-WB, a material that incorporates as its only binder an acrylic emulsion manufactured by Rohm and Haas Company of Philadelphia. Pleased with the material's performance as a recoat system, Bollinger speculated on using Versa-Kote 3-WB as the sole ballast tank coating system on future projects.
Bollinger recently launched a new offshore vessel equipped with 17 ballast tanks, all of which have been treated with the BYCO product. Christened Ventura, this oil-well supply vessel was commissioned by Conoco American Shipping Company and measures 170 by 38 by 133 feet. The Ventura, operating out of the Port of Galveston and into the Gulf of Mexico, is used as a support vessel in supertanker lightening operations.
Having witnessed the benefits of the waterdispersed BYCO system, Bollinger has approved using Versa-Kote 3-WB for all protective coating work done in the ballast tanks on two new vessels now under construction in the shipyard.
Other stories from August 15, 1980 issue
- Red Fox Will Build Jackup Barges At Newly Acquired Yard page: 6
- James Steadman Joins Halter Marine As VP For Special Assignments page: 6
- Simrad Introduces New Trawl Echo Recorder- Literature Available page: 8
- Robert Strasser Joins MacGregor, U.S.A. As Technical Director page: 8
- Bird-Johnson Appoints Richard E. McGinnis A Trustee And Director page: 9
- Halifax Shipyards Gets C$27-Million Order For Three Stern Trawlers page: 9
- Advanced Design Product Tanker Launched At Sun Ship page: 10
- Coast Guard Approves Butterworth Systems Oil/Water Separators page: 10
- New Bulletin Describes Improved Diesel Cylinder Liner Plating Process page: 10
- Army Permit Clears W a y For Deep-Draft Terminal In Galveston page: 12
- Shipyard Finds Safe Product Without Sacrificing Performance page: 12
- Zapata To Acquire Offshore Services Ltd. From Trafalgar House page: 13
- ITO Announces Six Promotions—R.J. Nolan Named Executive VP page: 15
- Technical Report On Sea-Shed Conversions Available From MarAd page: 15
- Ogden Equips Fleet With Satellite Navigators page: 15
- Nav-Com Relocates To Larger Quarters page: 16
- Maumenee, Roy And Snellman Promoted At Alabama Dry Dock page: 18
- Appledore And DnV To Assist In Operation Of Okpo Shipyard page: 18
- Michigan Wheel Announces Formation Of Propulsion Systems Group page: 18
- Marland Has New MSD For Smaller Vessels- Literature Available page: 20
- Waller & Associates To Provide Engineering Services For Ingram page: 20
- San Francisco To Build New Fireboat Designed By Morris Guralnick page: 21
- Halter Delivered 30 Big Commercial Vessels In First Half Of 1980 page: 22
- James Rhodes Appointed Communications Director For Navidyne Corp. page: 22
- B&W Yard Given Danish Gov't Guarantee For Bulk Carrier Construction page: 24
- Transoceanic Designated As U.S. Forwarder For NACAP Project page: 26
- Griff Lee, McDermott VP, Elected To National Academy Of Engineering page: 28
- James J . Murphy Named VP-Marketing For General Dynamics' Marine Group page: 28
- Lucander And Dowhos Form Design Association page: 29
- American Manufacturing Announces Three Sales Appointments page: 32
- Gene Ossi Establishes New Automation Firm- Brochure Available page: 32
- Trikora Lloyd Buys Three Ships At Total Cost Of $45 Million page: 32
- Michael Warren Joins Farboil As National Accounts Manager page: 32
- Dravo SteelShip Delivers Towboat To Pleasants Power Station page: 34
- Dillingham Forms New Subsidiary To Operate In Gulf Coast Area page: 34
- Hydranautics Awarded BP Magnus Field Platform Contract page: 34
- Collins Elected President And General Manager Of Houston Systems Mfg. page: 34
- Multipurpose Cargo Vessel 'Sarita' Delivered By Hitachi page: 34
- David Jackson Appointed Vice President For Sun State Marine page: 37
- New MMC Gauging System Meets IMCO Guidelines- Literature Available page: 37
- Farrell Lines Announces Three New Appointments— Breslin To VP-Controller page: 38
- Gaston Joins Bulkfleet Marine As Manager Of Engineering Services page: 38
- Three New Managers Appointed By CDI Marine Company page: 39
- Hayward Marine Products New Name For Former Mechanical Marine page: 39
- Miles Heads Barber Blue Sea Activities In North America page: 40
- First Vessel Extruded From Covered Hall At Cammell Laird page: 40
- McDermott Division Gets Two Contracts For Irish Sea Gas Projects page: 41
- New Company Plans To Build Two Bulk/Container Ships At Cost Of $156 Million page: 42
- Cameron Refits Drill Rig 'Western Pacesetter II' In Record-Breaking Five Days page: 42
- Carriere Named Manager Of Lykes M&R Division In San Francisco page: 44
- Evergreen Handt Merged Into Evergreen Marine— Hansen Named President page: 44