| Site
Index
 What
YOU can do!
Web
sites of interest
Articles
News
stories of interest
Newspaper
compilations
Press
releases
F.Y.I.
A
letter from the editor
Letters
to the editor
Contact
elected officials
Contact
U.S.- E.P.A.
Contact
G.E.'s board
Contact
newspapers
Contact
the editor |
YOU
asked for it!
Diagrams and Photos
showing state-of-the-art
environmental dredges in action!
(If environmental
dredges look somewhat benign, that's because they do not operate
like the messy, old-style 'clamshell' dredges portrayed in G.E.'s misleading
propaganda.)
1. Three examples of environmental dredge 'heads' of the type
used for removing PCB-contaminated sediments.
To view, Click Here!
2. Photos of four different environmental dredge units, three
'in action', one moored at port.
To view, Click
Here!
3. Two illustrations of a type of environmental dredge, with
'Cutterhead' attachment.
To view, Click
Here!
4. An illustration of an environmental dredge unit equipped
with a 'deep suction tube' (plus a close-up illustration of a 'deep suction
tube' and 'hydraulic agitator' attachment.)
To view, Click
Here!
Three examples of environmental
dredge 'heads' of the type used for removing PCB-contaminated sediments.
Type 1 - Cutterhead Dredge
(Source: Zappi and Hayes, 1991)
Type 2 - Refresher Dredge
(Source: Zappi and Hayes, 1991)
Type
3 - Clean-up Dredgehead
(Source: Zappi and Hayes, 1991)
Editor's Note: Many thanks to Scenic
Hudson, Inc., Hudson
River Sloop Clearwater, Inc., and Keene
Engineering, Inc. for supplying the various diagrams, illustrations
and photographs shown on these pages.
|
