Detrenching Buried Cable and Its Consequent Reburial. If a buried cable is damaged it will be necessary to detrench it before repair can be undertaken. This involves a number of grapnel runs with a detrenching grapnel or the use of an ROV, to gain access to two good cable ends, between...
cable system tested. This process allows the joint to be recovered if a fault is observed from the terminal stations. If no fault is seen, the joint is carefully laid on the seabed, to avoid loops being formed and the rope recovered. Post-lay burial by an ROV is then undertaken if ...