| Dimensions |
| Length |
43.7
ft. |
| Width |
11.25
ft. |
| Height |
9 ft. 10 in. |
| Weight |
38,000 |
| Flotation |
| Pontoons |
Four (4) pontoons,
34 in. x 34 in. x 144 in.
12 Ga. steel sides with 10 ga.. bottom, internal bulkheads and stiffeners.
Epoxy coated inside and outside (coating suitable for saltwater
service) |
| Displacement |
49,000
lbs. |
| Draft |
36
in. max |
| Working Capacity |
| Working Depth |
20
ft |
| Motor |
Toshiba
350hp, electric, quarry duty 900-
2200RPM speed control range |
| Drive |
Toshiba
350hp Variable Freq., NEMA 3R 3-
phase, 460 VAC 400A w/ Line Reactor |
| Hydraulic Systems |
| Reservoir |
2
@ 120 gal. Each, pressure charged (3psi.) |
| Dredge
Pump Circuit |
Open
loop LS System pressure 3000psi.
Pumps: 1 axial piston (100 cc), & 1 gear
(6.93) cin). Max. flow 115 gpm @ 2,000 RPM |
| Cutterhead
Circuit |
Closed
loop LS hydrostat. System pressure
3500 psi. Pump: axial piston (56cc). Flow 31 gpm @
2200 RPM |
Auxiliary
Circuit
(3-winch system, hoist & water cannon) |
Open
loop LS System pressure 3000psi.
Pump: axial pisten (100cc). Flow 55 gpm @ 2200 RPM |
| Hydraulic
System Media |
SAE
30 Motor Oil, Shell Rotella T-30 |
| Cutterhead |
Double
Rotor
Diameter 52 in. |
| Drive |
Single
axial piston LjSHT hydraulic motor, nested in dry chamber.
Displacement 268cir
Rotor shaft is supported by 2 spherical bearings for added axial
load capacity (10K) |
| Speed |
Variable to
25 rpm |
| Torque |
140,000
in-lbs. |
Cutterhead
Ladder
(Boom) |
Tubular
design, 18" diameter with discharge hose (10" diam.)
inside |
|
|
| Dredge Pump |
| Type |
Georgia
Iron Works Model LCC-M 200-610 |
| Discharge Diameter |
8 in. |
| Suction Diameter |
10
in. |
| Impeller Diameter |
24
in. |
| Sphere Passage |
4.3
in. |
| Pump Performance |
4,000 gpm @
180 ft. TDH (water) @ 1000 rpm, 83% efficiency |
| Construction |
Cast
from GASITE WD28G abrasion-resistnat, high-chromium white
iron. Heat treated to increase hardness, which result in
maximum wear resistance. |
| Controls |
Allen
Bradley SLC 5/03, joystick/momentary switch controls are provided in
heated, air-conditioned cab. |
| Propulsion |
3-winch
system for swing dredging and/or swin-translational travel.
System incorporates automatic tension control. Can be
over-ridden for manual adjustments and/or operation. |
| Electrical System |
Main
3-phase 460 VAC, 400A.
Auxiliary supply 1-phase 460VAC, 20 A.
Auxiliary systems: 120 VAC
PLC/Control system: 24 VDC |
| Corrosion Protection |
| Standard Paint |
Superstructure and hull are sandblasted
and painted with TNEMEC series 66 two part epoxy. Average coverage is
14 mils. Cab is painted with powder coat
technique. Paint system suitable for saltwater service |
| Optional Paint |
For caustic low pH environments,
Duromar paint may be applied. Suitable for pH range of 14 to 1.5 |
| Cathodic protection anodes available. |
| Available
Accessories |
| Water
Cannon System
|
Pump:
Cornell centrifugal 2.5" x 2". Water flow 250 gpm,
water pressure 100 psi. System is equipped with hand primer
and foot valve. Water cannon is equipped with servo-monitor
with 150 deg. Vertical and 180 deg. Horizontal travel. Max.
jet reach is approx. 150'. System is controlled fromt he
cab - with momentary switches and PLC touch-screen.
|
| Hourly Estimated Operating Costs
|
|
Amortization
(7y/3500hrs)
Electricity (kW/hr @ 350hp)
Labor (1 man @ $30.00/hr.)
Maintenance (Filters, etc.)
Accrued Mechanical Overhaul
Pump & Cutterhead Wear
Hull Maintenance
|
$9.68
20.88
30.00
0.90
2.50
5.50
2.00
|
|
|
|
|
|
|
|
71.46
|
per hour
|
|