multi-product load restraint alan white - nass white multi drop.pdf · multi-product load restraint...
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Multi-product
Load Restraint
Alan White CEng FIMechE FSOE FIRTE
Lead Load Restraint Engineer
Tata Steel Europe
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Past incidents
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Past incidents
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18 November, 2013 4
Past incidents
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18 November, 2013 5
Tata Steel aims
1. To develop fully engineered and tested Load Restraint Guidelines for
all Tata Steel Europe steel products transported by road
• To meet EN 12195:2010 requirements
• 90+ product load types identified
2. Improve the standard of load restraint across the company and its
hauliers
• Restraint methods
• Equipment
• Compliance
Zero load-shift
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18 November, 2013 6
Tata Steel approach
• Tata Steel has established a cross-company Engineering Team to work on Load Restraint of all our steel products moved on the road.
• The engineers will design, test and publish Load Restraint Guidelines that meet the international standards.
• Prioritisation of work load is governed by a company-wide Steering Group which will also ensure the guidelines are implemented across all areas.
Distribution UK
Engineering Lead
Strip IJ
Load Restraint
Engineer
Load Restraint
Engineer
Load Restraint
Engineer
Load Restraint
Engineer
Tom Fulton Tracey HartJakub Buczma Greg Pell
Alan White
Adam Payton Adrian Banks
Full time
Associates
Key
Distribution UK
Engineering Lead
Strip IJ
Load Restraint
Engineer
Load Restraint
Engineer
Load Restraint
Engineer
Load Restraint
Engineer
Tom Fulton Tracey HartJakub Buczma Greg Pell
Alan White
Adam Payton Adrian Banks
Full time
Associates
Key
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18 November, 2013 7
The extent of UK Law SPECIFIC to Load Restraint is:
Road vehicles (Construction and Use) Regulations 1986 – SI
1986 No 1078
The load carried by a motor vehicle or trailer shall at all times be so
secured, if necessary by physical restraint other than its own weight,
and be in such a position, that neither danger nor nuisance is likely to
be caused to any person or property by reason of the load or any part
thereof falling or being blown from the vehicle or by reason of any
other movement of the load or any part thereof in relation to the
vehicle.
Load restraint
UK Legislation 1 of 3
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18 November, 2013 8
In addition we have:
Regulation 40A of the Road Traffic Act 1988 introduced by the Road
Traffic Act 1991
A Person is guilty of an offence if he uses, or causes or permits
another to use, a motor vehicle or trailer on a road when: ….
… the weight, position or distribution of its load, or the manner in
which it is secured,
is such that the use of the motor vehicle or trailer involves a danger of
injury to any person.
Load restraint
UK Legislation 2 of 3
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We also have the Health & Safety at Work Act 1974:
• Case law has been built that instils a duty of care on the loader.
• Loads cannot knowingly be built in a manner that is unsafe or
that cannot be secured in a safe manner.
Load restraint
UK Legislation 3 of 3
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“A person is guilty of an offence if he uses, or causes or permits
another to use a motor vehicle or trailer on a road when …
Consigning Loading
Receiving
The chain of responsibility
Customer
Carrying
Driving
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18 November, 2013 11
Note that UK law does not specifically reference any of these documents,
but the enforcing agencies and court do!
EN 12195-1:2010
EU
DfT Code of Practice 1st Edition 1972; 3rd Edition 2002
UK
VDI: 2700 2004-11
Germany
Load restraint
Key guidance documents
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Load restraint standards – Forces under EN 12195
0.8g forward
0.5g sliding
0.6g toppling
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Inclination testing in progress to meet the EN 12195
• Inclined forward to simulate 0.8g
• Inclined sideways to simulate 0.5g
for road transport or 0.7g for ferry
crossings.
• Rearward checked at 0.5g
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Loads are then tested dynamically
• Emergency brake testing are performed – aiming for 0.8g deceleration
Safety headboard
Load cells
Deceleromter
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Tata Steel Load Configuration and Restraint Guidelines
• Designed to incorporate the Basic Principles of load restraint into one
document for use by sites despatching steel loads.
• The Load Restraint Guidelines address load configuration, as well as
load restraint.
• The Multi-Products Load Restraint Guideline LRG-0014-MP:
• The first side of the document presents the principles to be adhered to when
configuring a load, as well as practices to be avoided.
• The second side of the document discusses the minimum restraint
requirements and provides illustrations of the key points.
• This Load Restraint Guideline is about adopting the essential requirements
for good load restraint, and cutting out the bad practices.
• This Load Restraint Guideline cannot cover all scenarios of multi-
products loads, however it presents the basic principles that must be
adhered to.
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Break-out session
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Multi-product Load Configuration &
Restraint Guideline
LRG-0014-MP
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• This Load Restraint Guideline applies to all loads consisting of a variety
of product types, which may include, but are not limited to:
• Beams and columns
• Angles
• Pipe
• Tubes
• Bar
• Plate
• Flats
• Where a load consists entirely of Sections, or Tubes, or Sheet Packs
then the relevant Load Restraint Guideline must be used.
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Multi-products LRG
When does it apply?
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Vehicle requirements
• Headboard must be 1.5 metres high or greater than height of the
material.
• Trailer must be fitted with a minimum of 6 pairs of side pins at least 1
metre in height.
• Base dunnage must be 150 mm square timbers minimum.
• All gantries must have fixed timbers 100 mm square minimum.
• Trailer deck must be free from holes and be in good condition.
• Well boards of coil carrier trailers must be fitted and in good condition
where material is being loaded on top.
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Vehicle types
Coil well trailers
• Well boards of coil carrier trailers must be fitted and in good condition
where material is being loaded on top.
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• All gantries must have fixed timbers 100 mm square minimum.
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Vehicle requirements
Rigids and trailers
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Vehicle requirements
Extendable trailers
• Overhead material is NOT permitted when trailer is extended.
• All gantries must have fixed timbers 100 mm square minimum.
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Loading overhead
Minimum and maximum projections
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Loading standards
Light sheet and plate
• Light sheet and plate to be loaded first, onto the base timbers.
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Loading standards
Light sheet and plate
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• Light sheet and plate to be loaded first, onto the base timbers.
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Loading standards
Palletised goods
• Pallets may only be placed directly on the trailer deck, or on top of
plates if appropriate.
• Consider use of anti-slip matting beneath shrink-wrapped pallets, to
overcome low-friction nature of plastic wrap.
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Loading standards
Palletised goods
• Pallets may only be placed directly on the trailer deck, or on top of
plates if appropriate.
• Consider use of anti-slip matting beneath shrink-wrapped pallets, to
overcome low-friction nature of plastic wrap.
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Loading standards
Sections
• Sections must be stacked in such a manner so as to maintain a stable
configuration.
• Ability for customer to offload must be considered.
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Loading standards
Sections
• Sections must be stacked in such a manner so as to maintain a stable
configuration.
• Ability for customer to offload must be considered.
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Loading standards
Rectangular material
• Rectangular material is to be stored flat.
• Beams and columns are loaded in the ‘H’ orientation and rectangular
hollow section with the long edge down.
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Loading standards
Rectangular material
• Rectangular material is to be stored flat.
• Beams and columns are loaded in the ‘H’ orientation and rectangular
hollow section with the long edge down.
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Loading standards
Rounds
• Do not load on top of round material.
• Round material does not provide a stable base.
• Bundled material may move within the banding causing the entire load
to become unstable.
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Loading standards
Rounds
• Do not load on top of round material.
• Round material does not provide a stable base.
• Bundled material may move within the banding causing the entire load
to become unstable.
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Loading standards
Method of unloading
• The method of unloading can influence how bundles are configured on
the vehicle.
Overhead crane Forklift
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Loading standards
Method of unloading
• The method of unloading can influence how bundles are configured on
the vehicle.
Overhead crane Forklift
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Dunnage requirements
Creating levels with timbers
• Significant change!
• Double stacking timbers and balancing timbers on flanges of beams
can lead to an inadequately supported load.
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Dunnage requirements
Creating levels with timbers
• Significant change!
• Double stacking timbers and balancing timbers on flanges of beams
can lead to an inadequately supported load.
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Dunnage requirements
Chain gaps
• Significant change!
• Where a customer requires gaps between bundles for offloading, or
where the method of loading introduces gaps, then these must be
controlled with vertical dunnage.
• Gaps can close up during transport resulting in ineffective restraints.
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Dunnage requirements
Chain gaps
• Significant change!
• Where a customer requires gaps between bundles for offloading, or
where the method of loading introduces gaps, then these must be
controlled with vertical dunnage.
• Gaps can close up during transport resulting in ineffective restraints.
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Chain gaps
Alternate methods
• Stagger and launch is an accepted method of loading without gaps
between bundles, whilst still allowing for offload via overhead crane.
• Small bundles of material can also be loaded to the sidepins and
restrained with opposing loops, thereby leaving a ‘controlled gap’ to the
main part of the load.
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Load restraining
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Essential requirements
Primary restraints
• A full load to be restrained using a minimum of 6 chains.
• 8 mm minimum for Grade 80 chain.
• Chains to EN 12195-3:2001.
• All material must be secured at 2 points minimum.
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Essential requirements
Additional restraints
• A particular load configuration may require a greater number of
restraints than the 6 primary chains.
• Webbing straps may then be used to secure small packs of material
that are not restrained by the 6 chains.
• Webbing straps are preferably used to restrained material which is blocked
at the headboard.
• Webbing straps must be protected from abrasive surfaces and sharp edges.
• Do not mix and match chains and webbing straps on same parts of the load.
• Additional restraint is always required during Severe Winter
Weather advisory periods.
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Belly-wrapping
• Over-the-top chains are only good at providing restraint to the product
so long as there is sufficient deflection in the chain to provide
downward clamping.
• No deflection in the chain = No downward clamping = No restraint
• Belly-wrapped chains are used when lashing angles are low and help
to squeeze the product together into a bundle.
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Belly-wrapping
• When lashing angles are low, product can readily slide underneath the
restraints.
• Belly-wraps provide added ‘bite’ to reduce the likelihood of this occurring.
• Belly-wraps require 2 tensioners.
• One on each side, to eliminate the loss in tension as the lashing goes
around the product.
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Sample load 1
• Load has been built in a pyramid fashion and all parts of the load
receive downward clamping from the chains
• Load can be restrained using 6 over-the-top chains.
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• Load consists of several different lengths of product. 6 chains over-
the-top would not provide sufficient restraint to all parts of the load.
• The 6 chains are used to secure the bulk of the load in the middle and
at the rear of the trailer.
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Sample load 2
continued
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• Belly-wraps are used to pull the pipe on the side against the bulk of the
load, which otherwise would have received very little restraint.
• Webbing straps are used to restrain the short bundles loaded against
the headboard.
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Sample load 2
continued
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Sample load 3
• 6 chains over-the-top have been used to secure the bulk of the load.
• Opposing loops have been used to restrain the small bundles against
the side pins, thereby controlling the gaps and allowing for offloading.
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Loading overhead
• Items loaded overhead are restrained with a belly-wrap at each end.
Restraints are applied as close to the gantry as possible.
• Each belly-wrap requires 2 tensioners, 1 on each side.
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Sample load 4
• Overhead material is restrained with a belly-wrap at each end.
• All material is secured at 2 points minimum.
• Webbing straps have been used to restrain product loaded against the
headboard.
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Loading standards
Light sheet and plate
• Overhead material is restrained with a belly-wrap at each end.
• All material is secured at 2 points minimum.
• Webbing straps have been used to restrain product loaded against the
headboard.