The Heating Inspector and Deputies are authorized to:
(B) Be empowered to enter any building during reasonable hours in the discharge of duties or for the purpose of making any inspection which might be necessary in the performance of duties;
(C) Pass upon all questions relating to strength, durability, appearance and general workmanship;
(D) Make such tests or order such tests to be made as are deemed necessary to determine the safety of materials, equipment or appliances which it becomes their duty to inspect;
(E) Recommend the employment by the city of such technical or expert consultants as might become necessary to insure proper construction, installation and public safety;
(F) Stop the construction, repair, alteration or installation when any work done thereon is carried on in violation of this chapter or in a reckless, careless, unsafe or improper manner or when materials or appliances do not conform to the provisions of this chapter, excepting §§ 150.100 et seq., and Chapters 151 and 152.
(`89 Code, § 22.030)