Share 'How many lashings and what line and size?'

Hi All, I need to know the number of lashings and what type of line and what size of line to use. I am refitting my friends' 43' Narai "Windchime" I have rebuilt the bulwerks, reglassed the decks and cabin tops, replaced the steel beams with 2' wider ones and now I am getting close to being finished. The last coat of Awlgrip has been applied and now it's time to fit the beams in permanently. Can…