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REMU Big Float
Screening Technology & Amphibious Excavators
www.remu.fi
English
AMPHIBIOUS EXCAVATORS &DREDGERS
Screening Technology & Amphibious Excavators2 3www.remu.fi
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.
UPPER STRUCTURE
PONTOON UNDERCARRIAGE
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.
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.
YOUR ACCESS TO UNREACHABlE lOCATIONS
REMU BIG FlOAT
Screening Technology & Amphibious Excavators4 5www.remu.fi
RElIABIlITY COMES wITH CAREFUllY ENGINEERED DETAIlS
Patented narrowed Pontoon undercarriage structure.
PONTOON UNDERCARRIAGEwHY TO CHOOSEREMU BIG FlOAT?
•Betteroutreachcomparedtoworkingfrombarge
•Tracksandchainssameasinanynormalexcavator,strong,andprovenquality.
•Pontoonstructurewithbafflesectionsguaranteesafefloating
•PatentedTechnologyEP1727687andUSPat.7,588,106
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.
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.
Durable Track System
Working width
Transport width
Hydraulically adjusted
For an easy mobility and transportation in public roads. Provide long service life in the
most demanding applications.
8 Times longevity than other ordinary machines.
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.
Made of ABRASIONRESISTANT STEEL
Ground Pressureless than 110 g/cm2
Two speed track drive
Screening Technology & Amphibious Excavators6 7www.remu.fi
BUIlT TO OPERATE IN EVERY SITUATION
REMU BIG FlOAT
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.
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.
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.
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.
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.
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.
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.
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.
Digging dredging and Suction dredging
Building Filtering Dam to a Peat Swamp Cleaning Channels Mining Industry Landscaping
Dredging Intake Channels and Reservoir in Hydro Power Plant
Cutting Aquatic Vegetation Cutting Bushes from Water Side
Screening Technology & Amphibious Excavators8 9www.remu.fi
Big Float 800 Big Float 1400 Big Float E 22
oPerating areas
B I G
202 m2 2174 ft2 531 m2 5715 ft2 805 m2 8665 ft2
REACH HIGHER, STRONGER AND FURTHER
REMU BIG FlOAT BIG FlOAT OPERATION AREAS
Average operating area of a conventional dredger is 175 m2 (1884 ft2).
REMUBigFloatraisesproductivityandoperatingareatoa whole new level and sets the future standard for theworkingenvironment.
Screening Technology & Amphibious Excavators10 11www.remu.fi
TRANSPORTATION AND HIGH MOBIlITY
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.
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.
MAkES REMU BIG FlOAT THE RIGHT MACHINE.
Screening Technology & Amphibious Excavators12 13www.remu.fi
TECHNICAl DETAIlS
Imp
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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.
Big Float 800 Big Float 1400 Big Float E 22
Me
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Weight 13 500 kg 24 000 kg 36 000 kg
A min. Transport width 3 m 3 m 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 3 m 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 6 m 6,4 m
E 2 m 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 9 m
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 5 m 6,9 m 9,6 m
M Overall transport length 9 m 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) 7 m 11,2 m 11,4 m
S 2,4 m 3 m 3,3 m
T N/A 3,2 m 3,8 m
Ground pressure 1 125 g/cm2 160 g/cm2 110 g/cm2
Maximum working depth without additional pontoons 1,2 m 1,5 m 1,8 m
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.
1 Ground pressure is measured with 500 mm submerged pontoons
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Screening Technology & Amphibious Excavators14 15www.remu.fi
wORkING IN OPEN wATERSPECIFICATIONS
OPTIONAl EQUIPMENT
DreDging Bucket
rake
Suction DreDging attachment
BIG FlOAT wORk TOOlS
General dredging attachment with holes to remove excessive water.
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.
Attachment clears away unwanted reeds, roots, limbs and any other vegetation from shorelines, waterways or river sides.
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.
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.
1 lifting height at 1m.
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.
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.
aDDitional PontoonS
Additional pontoons gives the needed buoyancy and stability when working without bottom contact.
Met
ric u
nits 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
Impe
rial u
nits
ModelVolume A Mass
gal. inch. lb.
Bucket 300 80 40 397
Bucket 600 160 52 1 080
Bucket 800 210 60 1 190
Met
ric u
nits Model
A B Mass
mm mm Kg
Rake 800 1 150 1 540 300
Rake 2200 1 350 2 220 520
Rake 2500 1 530 2 530 690
Impe
rial u
nits
ModelA B Mass
inch. inch. lb.
Rake 800 46 60 662
Rake 2200 54 88 1 146
Rake 2500 60 100 1 522
Met
ric u
nits
ModelMax 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
Pump 3 8 000 35 169
Pump 4 12 000 35 200
Pump 5 20 000 35 317
Impe
rial u
nits
ModelMax output 1 Max lifting height Allowable oil flow
gal/min ft. gal/min
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
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Copyright © 2015 REMU Oy
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
REMU USA Inc.+1 888 600 0018
REMU Sales Office, China
+86 135 8800 [email protected]
REMU Deutschland GmbH+49 171 418 0862
Your Dealer
REMU Oy Headquarters, Finland
+358 20 743 [email protected]