The internal. structure of the cargo tanks, often un-coated, is exposed to potentially. corrosive gases, sea water, crude oil and oil products. The effect of this corrosion over a period of years is to reduce the. material thickness and hence the strength of the structure. Classification.
It will cost $300 to $400 per day to hire a general contractor. Many times, a general contractor will also be a carpenter and do a lot of the work that needs to be done.That is a great help and cost savings to the project.Whether a general contractor will do work on a project depends on their skills and the outlook of the job. If your general contractor does not do any labor he may want 10% to 20% of the cost of the project.If he does the carpentry he will want 45% to 65% of the money paid to contractors on the project.hat is a great help and cost savings to the project. Whether a general contractor will do work on a project depends on their skills and the outlook of the job. If your general contractor does not do any labor he may want 10% to 20% of the cost of the project.
Some contracting outfits charge there customers up to $600 for a single installer per day to $1200 per day for an installation crew and hire independent contractors to do the job. Paying them a commission of 40 to 70% of the jobs total installation cost depending on their reliability and completion time.