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SITE PLACEMENT GUIDELINES

Operatives to ensure correct PPE is used (gloves, safety boots, high-visibility clothing and hard hat, plus additional PPE subject to site conditions e.g. ear protection etc).

Ensure the Site Management Team have given consideration/approve the use of ALIMATS.
The crane should drive into the correct position as marked on the Lift Plan and extend outriggers.
Ensure the prepared hardstanding area is level and free of isolated hard high points (e.g. stones) if setting up on a hard surface. Do not set up on an icy sub-base or when mats are coated in ice, do to risk of slippag.e
If the ground is not completely level a sand bed is advised to provide a more even load distribution.
ALIMATS should be lifted into position by two people to avoid strains – each mat weighs approx. 38 kg.
Each set of ALIMATS consists of 20 mats; Five mats to be placed beneath each crane outrigger.
Three interlocked sections should be placed on the lower layer and two above placed at 90º to those beneath.
Each section should be slotted into the adjacent mat as it is laid and pushed into position.
To ensure mats interlock correctly:- The orientation of the ALIMATS logo and ID marks, need to be consistent for each mat which is to be placed side by side in the same layer (see photos below).
The top layer joint should be positioned half of the width of the completed lower layer (central).
Ensure there are no stones/high points between the mat layers or beneath the mats rigged on hard surfaces, to avoid potential point load indentation / damage.
The standard crane mat should be placed centrally on the completed ALIMATS configuration.
Repeat to all four outrigger positions.
Ensure that all completed ALIMATS sets are positioned central to the outrigger pad.
Apply full outrigger loading and observe mats for any sign of undue stress/settlement.
If there is any concern regarding the stability of the outrigger pads – Seek advice from the Appointed Person/Site Engineer.