To limit the probability that storage tanks for hot service water will be inadequately insulated, which could lead to uncontrolled thermal transfer from the storage tank, which could lead to unnecessary consumption of energy for service water heating, which could lead to excessive use of energy, which could lead to an unacceptable effect on the environment.
To exempt storage tanks for hot service water that meet the insulation levels prescribed by acceptable standards from the application of Sentence 9.36.4.2.(1).