Includes the driving of piles, cross beaming, decking and similar carpentry incidental to pile driving operations in the construction of foundations. Also includes pile driving operations that underpin, raise or stabilize a foundation in connection with building raising or moving operations. Contemplates the construction of timber wharfs, wood bridges (where pile driving is involved) and piers and the construction of groynes or groins, seawalls, bulkheads and jetties or breakwaters consisting wholly of pile driving. Also contemplates marine salvage operations and the wrecking or demolition of piers or wharfs. Separately rate the manufacturing of concrete piles at the job location and pile driving operations in connection with caisson work.