MGF UG-015 Manuel utilisateur
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MGF Gangway Ramp - User Manual
Issue 1 – 17.05.21
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Contents
1.0 INTRODUCTION ..........................................................................................................................2
2.0 FEATURES.................................................................................................................................... 2
3.0 SPECIFICATION............................................................................................................................3
4.0 Technical Points..........................................................................................................................5
5.0 SAFETY ........................................................................................................................................ 7
6.0 PARTS DESCRIPTION...................................................................................................................7
7.0 Pre-install Set-UP & Installation ................................................................................................ 8
8.0 Required Checks .......................................................................................................................12
9.0 Removal ....................................................................................................................................12
10.0 Product Notes...........................................................................................................................13
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1.0 INTRODUCTION
The MGF Gangway Ramp is designed as an add on access improvement, for existing Laddersafe
platforms. It is designed to fit onto existing unmodified Type 01 & 02 Laddersafe platforms via an
Overshoe adaptor or will fit directly to a Type 3 Laddersafe platform for Stairsafe (4.3039).
It is to allow easier access onto the platform, where an upstand is present, ie the Trench sheets or
Trench Box’s are above the ground level, or where ground conditions are poor in the vicinity of the
platform entry.
The ramps are modular and can be fitted together to cater for varying heights and lengths of ramp
required. Each 1.5m long ramp can cater for a maximum 0.5m upstand. 3No ramps max can be
connected.
2.0 FEATURES
Enables safe access to a Laddersafe platform when access would otherwise be restrictive –
either by being installed on an upstand or installed around bad ground which is
sloped/falling away around the shoring.
Via the use of adaptors, the ramps can connect to the back face of Type 1 & 2 Laddersafe
platforms, as well as the new Type 3 Laddersafe (4.3039) that has been designed to accept
the new Stairsafe system.
Ramps connect together to the required length/height and angle can vary – up to a
maximum of 17.5°.
Serrated open mesh floor to provide extra foot grip on sloping ramp.
Integrated chains and couplings to bridge gaps in railings.
Can be fitted with access doors (optional).
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3.0 SPECIFICATION
Length = 1500mm 1.5m.
Max Load = 1 persons max (150kg) or 1.5kn/M2UDL
Unit Weight = 128kg
Construction material = Steel.
Lifting / tether points = 4 off. (1000kg ea lug)
Gangway Ramp Unit Dimensions:-
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Overshoe Adaptor dimensions
Over shoe weight = 24kg
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4.0 Technical Points
•Laddersafe platforms must not be used on any trench sheets less than 6mm thick or sheets
in pure cantilever and the upper support frame must be no more than 1.5m below the top of
the sheet.
•MGF Gangway Ramps are designed for man access to a Laddersafe platform – they should
only be used by 1 operative at a time and are suitable for max. 150kg point load or 1.5kN/m²
UDL.
•Each ramp can be used at a maximum angle of 17.5° and cater for a 0.5m vertical height.
•Up to 3 ramps can be connected to cater for a maximum vertical height of 1.5m.
•MGF Gangway Ramps should not be used for transporting/storing plant or equipment and
equipment should not attempt to be carried down the ladder.
•MGF Gangway Ramps are connected to the Laddersafe platform using 20mm diameter pins,
and ramps connect together using 20mm diameter pins and M16x50 grade 8.8 bolts, nuts
and plain washers.
5.0 SAFETY
Should questions regarding this manual arise, contact MGF.
Proper shoring and safety precautions must be in place if working below ground level.
Wear appropriate personal safety equipment including, but not limited to hardhat, safety
boots, safety glasses and gloves. Cover exposed skin while working on/operating the
equipment. Avoid loose clothing, jewellery, hair, or anything that could become tangled in
moving equipment.
If applicable - Ensure all safety gates are in place, orientated correctly and in good repair.
Only lift designated lifting points. DO-NOT lift by lashing to any other points as this could
cause damage, or failure.
Write a Lifting Plan, Risk Assessment and Method Statement prior to works, identifying
safety procedures as deemed necessary by an experienced operator.
Be aware of overhead obstructions including power lines.
Ensure all Bolts, pins and R-clips are securely fitted / tightened.
Inspect all components before the start of every shift.
Always provide suitable exclusion zones around the units during assembly and installation.
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Always be aware of individual component weights and final assembly weights using
adequate lifting equipment and good manual handling practices where appropriate.
Use suitably rated chains when lifting the item into position. Always use all four lifting points
provided, and do not lift the item by any other features than its designated lift points.
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6.0 PARTS DESCRIPTION
Connection
Flange
Lifting Point
typ 4 pos.
Female connecting
blade, and keeper plate
Male
connecting pin
Hand Rail
Knee Rail
Operative Lift
handle
Fixing
Pivot plate
Pivot plate
lock pin
Ramp
Attachment
Point
Pivot plate –
operative lift
handle
Location plate
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7.0 Pre Install SETUP & Installation.
To install an overshoe for type 01 or 02 laddersafe platforms…
With the Laddersafe already installed upon the box or panel, place the overshoe on the ground.
Two operatives, one each side of overshoe will be required.
Remove the ‘Pivot plate Lock Pin’ and tilt the pivot plates until the handles are pointing downwards.
The plates can be locked in the open position, or alternately the plates can be left unlocked
depending on operator preference.
With two operatives, one holding each of the ‘operative lift points’ – orientate the over shoe so the
‘ramp attachment points are facing out from the dig.
Lift the overshoe, over the Laddersafe platform. Both pivot plates should be rotated to close and
engage fully over the platform chassis. Each operative should transfer the load, so they move from
holding the ‘operative lift point’ – to be holding the ‘pivot plate -operative lift handle’. Once
correctly located, so that the location plate sits flush against the platform, each operative should fit
their ‘pivot plate lock pin’ to complete the fitting of the overshoe.
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Correctly fitted overshoe
To fit a Gangway ramp onto an over shoe, or directly onto a Laddersafe platform (if fitted
with mount spigots) :-
Place the Gangway ramp on flat ground near the platform to be fitted to. Two operatives one each
side of the ramp will be required.
Remove the r clip and take off the loose ‘Keeper plate’.
Lift the ramp and manoeuvre so that the ‘female blade’ on the ramp, locates over the ‘ramp
attachment bar’ on the overshoe or platform.
Fit the ‘keeper plate’ over the connection and re-fit the r clip. Test that the ramp cannot be lifted or
knocked off the connection.
Pivot plate fully
engaged and
locked
Location plate
flush to
Laddersafe
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