Cavi-Tech Hydroblasts
U.S. Navy Ship
Based in Atlanta, Ga., hydrob-
lasting equipment developer Cavi-
Tech, Inc. is currently working on
USS Belleau Wood in Sasebo,
Japan. According to a Cavi-Tech
representative, the company will
hydroblast the entire exterior hull
from the flight deck down, as well
as more than 200,000 sq. ft. of bal-
last tanks on the vessel. This is
reportedly the largest hydroblast-
ing project the U.S. Navy has
undertaken.
Of special concern to U.S. Navy
port engineers is the use of abra-
sive blast because of the expense of
protecting the local and shipboard
environments from dust, and the
fact that the coatings system on
the vessel has not broken down
enough to warrant total removal.
On the freeboard and catwalk
area, Cavi-Tech will remove the sil-
icone alkyd top coat layers and the
epoxy 150 and 151 layers will be
stressed to ensure adhesive and
cohesive soundness. Any corroded
areas will be blasted down to bare
metal. The underwater hull will
be subjected to a sweep blast in
order to clean the as yet undam-
aged anti-fouling coatings. The
ballast tanks will undergo a spot
blast to bare metal on corroded
areas, leaving tight edges, and
existing intact coatings will be
sweep blasted in preparation for
painting. Cavi-Tech is operating
12 x 20,000 psi blast stations in
order to complete the scope of this
work. Cavi-Tech, Inc. specializes
in hydroblasting using 20,000 and
40,000 psi equipment for both
marine and industrial markets.
The company offers its own paint
crews for turnkey projects.
For more information on Cavi-Tech, Inc.
Circle 46 on Reader Service Card
Valspar's full color range, is compatible with
existing solvent-based coatings and is VOC
compliant.
Circle 45 on Reader Service Card
Aqua-Dyne, Inc.
Houston-based Aqua-Dyne, Inc. has devel-
oped a high pressure water jetting system for
cleaning decks, hulls and walls. The Roto-Jet
Blaster uses high pressure water with special-
ly-designed rigging and a rotary jet nozzle sys-
tem to remove rust and damaged coatings on
ships while at sea or in drydock. The Roto-Jet
system is a self-powered, high-pressure water
jet unit for surface preparation of the hull or
deck of a ship. The water jetting system auto-
matically cleans loose paint, rust and scales to
meet SA 2-3 standards. The cleaning unit is
lowered down a ship's hull to the bottom, moved
sideways using on-deck rigging and then
bought back up to the deck while cleaning a one
meter path with each up and down pass.
Circle 49 on Reader Service Card
S.G. Pinney & Assoc., Inc.
S.G. Pinney & Assoc., Inc. specializes in cor-
rosion control through the proper use of protec-
tive coatings. The company's services include
specification preparations and review, failure
analysis, project management, inspector train-
ing, laboratory testing and analysis, indepen-
dent condition surveys and application inspec-
tion. S.G. Pinney & Assoc. distributes inspec-
tion instruments through more than 75 manu-
facturers.
Circle 50 on Reader Service Card
Electromatic Equipment Co.
Check Line 977 series gauges measure the
HYDRAULIC
STEERING
From a 20' sailboat
to a 50,000 DWT
freighter...
DESIGNED AND MANUFACTURED BY Summer Equipment LTD
24 West 4th Avenue, Vancouver, B.C. V5Y 1G3
Telephone (604) 873-4545 Fax (604) 873-2382
March, 1997 Circle 331 on Reader Service Card
• SUPERIOR UNIQUE PERI-JET DESIGN EXCELLENT FOR
SUSPENDED SOLIDS (MUD, SAND, ETC.)
• PUMPING, MIXING, INJECTING, PRIMING
• SIZES FROM 3/4" IPS TO 10" IPS
• LOW HEAD TO HIGH HEAD MODELS
• END CONNECTION VARIETY:
- FLANGED 150# MSS, NAVY 150# & 250# (MIL-F-20042)
- SIL-BRAZED UNION ENDS (MIL-F-1183)
- PIPE AND HOSE THREADS, CAML0CK
• BRONZE, ALUMINUM, STAINLESS
• DREDGE DEGASSING AND PRIMING APPLICATIONS
• FIRE FIGHTING APPLICATIONS
• OVER 40 YEARS A TRUSTED SUPPLIER OF EDUCT0RS AND
PERI-JETS® TO THE U.S. NAVY. (ALL CONFORMING TO
MIL-E-24127)
LET OUR EXPERIENCE HELP YOU.
215-844-3200 • FAX: 215-849-8680
Circle 211 on Reader Service Card
69
Wagner provides hydraulic steering
systems, complete from wheel to
rudder. Choose from four systems,
their progressive cylinder sizes,
components and accessories to suit
Type your vessel. Wagner offers one
N source complete system compatibili-
^, - ty and one supplier responsibility.
Call or fax for literature and your
700 nearest dealer. SERIES
Digital Wave Publishing