a)      to control and regulate all waters and the use of all waters within the limit,

b)      to erect and place in position buoys, markers, beacons and leads, and other things, that are necessary or desirable to facilitate navigation in or into a declared port,

c)       to dredge and maintain channels and berthing places,

d)      to build retaining walls for the purpose of reclaiming, and to reclaim and obtain title to, land that is the bed of a declared port,

e)      to control, direct and regulate the employment of waterside workers (whether or not employment by the Department responsible for transport matters),

f)       to do all such other acts as will facilitate the use of a declared port by shipping,

g)      to establish effective co-operation between the Department responsible for transport matters, any licensee or licensees and Port Advisory Committees and to co-ordinate the work of those Committees.