This coffer dam enabled the Icelandic road administration to create workable access for the power shovel digger to place the row of stone protective measures thus avoiding damage to the structure .
Stone protective measures would also divert the icebergs from hitting the bridge pillars .
This coffer dam enabled the Icelandic road administration to create workable access for the power shovel digger to place the row of stone protective measures , which would also divert the icebergs from hitting the bridge pillars , thus avoiding damage to the structure .