tender for defect rectification are to be undertaken for rail less helo traversing system ( rlhts ) preparation for pre- checks and sats.; 1 defect rectification are to be undertaken for rail less helo traversing system ( rlhts ) preparation for pre- checks and sats. 2 h-587: during routine maintenance of rlhts ( make: m / s l&t ) leakage observed in return line filter ( p ) and sea water cooling lines & joints. defect to be rectified and system to be proved for normal operation. all inway job included.h-588:steel wire rope ( 6x36 construction ) strands of stbd deck winch of rlhts found parted and broken / deteriorated due to fwt and aging. damaged / parted wire rope to be cut / removed from end ( 01 mtr approx. ) and attached with ss thimble. all inway job included. diameter of swr-10mm. qty-01no.