is it illegal to do plumbing without a license

The maximum penalty for Carry Out Plumbing Work Without License or Registration s221D1 of the Building Act 1993 is 500 penalty units. Anyone caught doing plumbing work without a license will be fined…

what is a bulkhead in construction

Bulkheads are unique in that they function to retain not just earth sediments and soils but to hold back the flow and diffusion of water. Those bulkheads which are of greatest importance are the main…