Fleet Addition - Hitachi EX1200 Super Long Reach

Fleet Addition - Hitachi EX1200 Super Long Reach

Ashleigh Contracts secured a major Revetment project at Sumburgh Airport on Shetland which commenced in July 2013.

A specialist excavator, a Hitachi EX1200 Super Long Reach was sourced specifically for this project in order to undertake the following works:-

-          Underwater rockbreaking of approx.. 1,800m3 to form a Toe trench up to 2m deep around the perimeter of the new Revetment and to levels as deep as -12.8m CD.

-          Placement of 14T precast concrete X Base Units into the Toe trench and 14T X Bloc Units on the lower slopes of the new Revetment.

-          Construction of a rock armoured Toe Mound to secure the base of the X Bloc Revetment by placement of 10T to 12T Armour stones to a radius of up to 23m of the machine.    

This machine has also been fitted with the latest Prolec PCX Pro 3D GPS machine control system to aid and control the accuracy of underwater working. An underwater video camera has also been fitted as a further guide for the operator.

Additional Information:
EX1200 Digging Envelope

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