Screening Technology & Amphibious Excavators
AMPHIBIOUS EXCAVATORS & DREDGERS
REMU Big Float English
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REMU BIG FLOAT Your access to unreachable locations REMU Big Float is a unique amphibious excavator designed to work in most challenging environments. It can be driven on solid land, through shoreline and to shallow water areas that cannot be reach by normal excavator or by boat. As it’s totally floating, it’s also able to move on swamp where it is impossible for a man to walk. Big Float is designed and developed in Finland where thousands of lakes and peat swamps has offered enough challenges and possibilities to test different working methods. When seeing practical problems, and even traditional excavators sinking to swamp, we have realized the need for safe and productive working method.
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UPPER STRUCTURE As a customer you are free to choose any widely known excavator brand to be mounted. Once you decide which brand excavator you want, REMU’s team will do the rest, to deliver a 100% ready to operate amphibious excavator.
PONTOON UNDERCARRIAGE Pontoons are manufactured in three sizes. Each excavator to be mounted, is carefully weighted and measured to assure the needed stability and buoyancy from pontoons. Pontoons are also available without upper structure.
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PONTOON UNDERCARRIAGE Reliability comes with carefully engineered details Big Float undercarriage is built to survive trough changing terrains. Shape of the pontoon together with powerful drive motors are designed to give best mobility in the worst surroundings. Strong and proven chain structure is the same as in a normal excavator, offering reliable performance. Big Float pontoon undercarriage is a unique platform that creates a safe working environment in otherwise unsafe locations. Each part of the pontoon is a result of careful study. Abrasion resistant steel is used in every parts of the pontoons that receive most shocks caused by uneven surfaces. Furthermore, each pontoon is divided in baffle sections, to secure floating.
WHY TO CHOOSE REMU BIG FLOAT? • Better outreach compared to working from barge • Tracks and chains same as in any normal excavator, strong, and proven quality. • Pontoon structure with baffle sections guarantee safe floating • Patented Technology EP 1727687 and US Pat. 7,588,106
Patented narrowed pontoon undercarriage structure. Hydraulically adjusted For an easy mobility and transportation in public roads.
Durable Track System
REMU Big Float pontoons can be hydraulically adjusted. This feature allows the operator to pull the pontoons together when passing through narrow gaps and then spread them apart to achieve a steady position for operations.
Ground Pressure less than 110 g/cm2
Two speed track drive The driving power of Big Float comes from standard excavator planetary gear motors with massive maximum torque of 56 kNm per motor. High speed mode for easy terrain.
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Transport width
Provide long service life in the most demanding applications.
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Working width
Made of ABRASION RESISTANT STEEL 8 Times longevity than other ordinary machines.
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REMU BIG FLOAT Built to operate in every situation
Digging dredging and Suction dredging
All kind of digging dredging in shallow water areas down to 9 meters can be done with Big Float. Removing mud or stones, transforming reservoir banks or cleaning industrial waste ponds are the most common applications for Big Float. Big Float can also operate as a tool carrier for suction dredging equipment.
Building Filtering Dam to a Peat Swamp
When swamp is used for peat production, humus may leach as a result of drainage or peat extracting. Big Float has been used for building a dam to filter humus out of water before it streams into the surrounding water system.
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Dredging Intake Channels and Reservoir in Hydro Power Plant Sediment that is piling on the bottom of the intake channels and reservoir of barrage of hydro power plant, can be dredged with Big Float to maintain sufficient flow for the plant’s operations.
Cleaning Channels
Big Float is easy to operate also in channels and other narrow water ways. Trashes, leaves and branches from the trees and excess sediment that is piling on the bottom of the channel can be removed with rake or dredging bucket.
Cutting Aquatic Vegetation
Aquatic vegetation that is growing on the bottom of the river or lake can be removed with Big Float and rake. With Big Float it is possible to remove also roots of the plant and thus prevent plants growing back. If it is needed also special hydraulic tools can be used for cutting.
Mining Industry
Big Float can be helpful in many stages in open cast mines. It has been used for example to assist water pumps and other dewatering and damming jobs.
Cutting Bushes from Water Side
Willow trees and other bushes can grow fast and hide the landscape at waterside. With Big Float and a special cutting tool, harvesting can be done fast without leaving excessive marks to the environment.
Landscaping
REMU Big Float can be used for landscaping in swampy areas near river ways and shorelines where conventional machine won’t be able to operate as it can easily slip & sink into the soft ground and get immobilized.
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REMU BIG FLOAT
Big Float operation areas
Reach HIGHER, STRONGER AND FURTHER
REMU Big Float raises productivity and operating area to a whole new level and sets the future standard for the working environment.
Operating Areas
Big Float 800
Big Float 1400
Big Float E 22
B
I
G
202 m2
2174 ft2
531 m2
5715 ft2
805 m2
8665 ft2
Average operating area of a conventional dredger is 175 m2 (1884 ft2).
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TRANSPORTATION AND HIGH MOBILITY
Makes remu big float the right machine.
REMU Big Float is easy to transport from one job site to another: Simply retract the pontoons to transportation width (3 meters), and drive the Big Float onto the lowboy. Even the biggest Big Float model is only 3,5 meters width in transportation mode.
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REMU’s patented pontoon undercarriage can be narrowed effortlessly in order to enable easy transportation along public roads. Further REMU Big Float is instantly ready to use without any crane or assembly work at the job site.
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TECHNICAL DETAILS
Big Float 800
Met ric units
L
K
I
Imperial units
J C S T B
Q
D
F N
E M 12
G
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R
A
O P 1
Big Float E 22
Weight
13 500 kg
24 000 kg
36 000 kg
A min. Transport width
3m
3m
3,5 m
A max. Maximum working width
4,2 m
4,8 m
5,5 m
Maximum working width with additional pontoons
6,2 m
7,8 m
8,2 m
A driving
3m
3,6 m
3,6 m
B Transport height
3,2 m
3,7 m
3,9 m
C Outreach (in front)
8,7 m
13 m
16 m
D
4,5 m
6m
6,4 m
E
2m
2,5 m
4,5 m
F (Minimum width)
1,7 m
2,3 m
2,0 m
G (Undercarriage height)
1,5 m
1,7 m
1,9 m
H Digging depth
4,3 m
7,5 m
9m
I
5,1 m
8,5 m
10 m
J
5,7 m
9,7 m
12,5 m
K
7,5 m
11 m
13 m
L
5m
6,9 m
9,6 m
M Overall transport length
9m
13,7 m
16 m
N Track shoe width
0,3 m
0,4 m
0,4 m
O Track shoe width
0,95 m
1,2 m
0,9 m
P
1,3 m
1,3 m
1,5 m
Q
1,2 m
1,4 m
1,7 m
R Transport length (pontoons)
7m
11,2 m
11,4 m
S
2,4 m
3m
3,3 m
T
N/A
3,2 m
3,8 m
125 g/cm
160 g/cm
110 g/cm2
Maximum working depth without additional pontoons
1,2 m
1,5 m
1,8 m
Weight
29 800 lb.
53 000 lb.
73 000 lb.
A min. Transport width
10 ft.
10 ft.
11 ft.
A max. Maximum working width
14 ft.
16 ft.
18 ft.
Maximum working width with additional pontoons
20 ft.
26 ft.
28 ft.
A driving
10 ft.
12 ft.
14 ft..
B Transport height
10 ft.
12 ft.
13 ft.
C Outreach (in front)
29 ft.
43 ft.
53 ft.
D
15 ft.
20 ft.
21 ft.
E
6 ft.7 in.
8 ft.
11 ft.
F (Minimum width)
5 ft.7 in.
7 ft.7 in.
8 ft.6 in.
G (Undercarriage height)
5 ft.
6 ft.7 in.
6 ft.3 in.
H Digging depth
14 ft.
24 ft.7 in.
30 ft.
I
17 ft.
28 ft.
33 ft.
J
19 ft.
32 ft.
41 ft.
K
24 ft.7 in.
36 ft.
43 ft.
L
16 ft.5 in.
23 ft.
31 ft.
M Overall transport length
30 ft.
45 ft.
53 ft.
N Track shoe width
1 ft.
1 ft.4 in.
1 ft.4 in.
O Track shoe width
3 ft.
4 ft.
4 ft.
P
4 ft.
4 ft.
5 ft.
Q
4 ft.
4 ft.7 in.
5 ft.3 in.
R Transport length (pontoons)
23 ft.
37 ft.
37 ft.
S
8 ft.
10 ft.
12 ft.
T
N/A
11 ft.
12 ft.
Ground pressure 1
1,8 Psi
2,3 Psi
1,6 Psi
Maximum working depth without additional pontoons
4 ft.
5 ft.
6 ft.
Ground pressure
H
Big Float 1400
1
2
2
Ground pressure is measured with 500 mm submerged pontoons
All weights and sizes (metric and imperial) are approximate. Specifications subject to modifications at manufacturer’s discretion. Always revise the local limitations for road transportation. Some measurements depends on the chosen make and model of the base machine. Screening Technology & Amphibious Excavators
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SPECIFICATIONS
WORKING IN OPEN WATER
BIG FLOAT WORK TOOLS
OPTIONAL EQUIPMENT
REMU Big Float can be equipped with any tool and attachment that is need to fulfill certain application. Followings are some of REMU’s produced equipment.
REMU Big Float is totally floating. However, operating the machine in open water deeper than 1,5 meters (5 ft), requires always additional pontoons and anchoring legs.
Dredging Bucket
Imperial units
Metric units
General dredging attachment with holes to remove excessive water. Model
Volume
A
Mass
Litres
mm
Kg
Bucket 300
300
1 020
180
Bucket 600
600
1 300
490
Bucket 800
800
1 540
540
Volume
A
Mass
gal.
inch.
lb.
Bucket 300
80
40
397
Bucket 600
160
52
1 080
Bucket 800
210
60
1 190
Model
Additional Pontoons Additional pontoons gives the needed buoyancy and stability when working without bottom contact.
Rake
Imperial units
Metric units
Attachment clears away unwanted reeds, roots, limbs and any other vegetation from shorelines, waterways or river sides. A
B
mm
mm
Kg
Rake 800
1 150
1 540
300
Rake 2200
1 350
2 220
520
Rake 2500
1 530
2 530
690 Mass
Model
Model
Mass
A
B
inch.
inch.
lb.
46
60
662
Rake 800 Rake 2200
54
88
1 146
Rake 2500
60
100
1 522
Suction Dredging
Anchoring Legs Anchoring legs secure the Big Float to the bottom so that machine doesn’t move while digging or when working in conditions where current occurs.
attachment
Designed for suction dredging of slurry, mud, and sand. REMU offer different pump options for such application. The mass of the unit is approximately 800 Kg depending on the selected pump. Max output 1
Max lifting height
Allowable oil flow
l/min
m
l/min
Pump 1
3 000
35
50
Pump 2
5 000
30
100
Imperial units
Metric units
Model
1
Pump 3
8 000
35
169
Pump 4
12 000
35
200
Pump 5
20 000
35
317
Max output 1
Max lifting height
Allowable oil flow gal/min
Model
gal/min
ft.
Pump 1
793
115
13
Pump 2
1 321
98
26
Pump 3
2 113
115
45
Pump 4
3 170
115
53
Pump 5
4 400
115
84
Propellers Propellers are attached to additional pontoons to drive the Big Float in open water. The speed of 7 km/h (3,8 knots) (4,5 mph) can be achieved.
lifting height at 1m.
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REMU Oy Headquarters, Finland +358 20 743 1160
[email protected] REMU Sales Office, China +86 135 8800 3776
[email protected] REMU USA Inc. +1 888 600 0018
[email protected] REMU Deutschland GmbH +49 171 418 0862
[email protected] Under our policy of continuous improvement, we reserve the right to change specifications and design without prior notice. The illustrations do not necessarily show the standard version of the machine. REMU Big Float 04/15. ENG
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