"Hi Wayne, Tony M, SOG, Jessy, Darren, Barry, Roach, Reno, Siew, any of you gys out there I'm just saying hello hope you are having a good year. Lachie"
"ok yeah i gotcha we also do something similar for the dockwise where you dock vessels on the deck of a transport ship, and set the jacks or blocks as it ballasts up ( http://www2.dockwise.com/projects/33 )"
"That is centering u r saying. But for this,there's 3 to 4 row of blocks at both side port/stbd. 1st dive we gotta bring down the top-piece from each blocks(so call 'zeroing') and wait till the vessel is sit on the center block we will…"