(a) The building official, to be eligible for appointment, shall have had at least five years’ experience in construction, design or supervision and assistant building officials shall have had at least three years’ experience in construction, design or supervision, or equivalent experience as determined by the Commissioner of Administrative Services. They shall be generally informed on the quality and strength of building materials, on the accepted requirements of building construction, on the accepted requirements of design and construction relating to accessibility to and use of buildings by the physically disabled, on good practice in fire prevention, on the accepted requirements regarding light and ventilation, on the accepted requirements for safe exit facilities and on other items of equipment essential for the safety, comfort and convenience of occupants and shall be certified under the provisions of § 29-262.

(b) The building official or assistant building official shall pass upon any question relative to the mode, manner of construction or materials to be used in the erection or alteration of buildings or structures, pursuant to applicable provisions of the State Building Code and in accordance with rules and regulations adopted by the Department of Administrative Services. They shall require compliance with the provisions of the State Building Code, of all rules lawfully adopted and promulgated thereunder and of laws relating to the construction, alteration, repair, removal, demolition and integral equipment and location, use, accessibility, occupancy and maintenance of buildings and structures, except as may be otherwise provided for.

(c) A building official may request proof of licensure from any person at a construction site for which a building permit was issued. If such official finds any person engaging in or practicing work in an occupation for which a license is required under chapters 393 and 393a, without first having obtained an apprentice permit or a license for such work or occupation, the building official may notify the Commissioner of Consumer Protection of such violation and may issue a written order and personally deliver such order or send such order by certified mail to the person holding such building permit. Such order may require that any person working at such site without the required permit or license shall cease work at the site immediately. The unlicensed person may perform such work or occupation at the construction site upon submission of documentation satisfactory to the building official of compliance under said chapters 393 and 393a.

(d) The building official or his assistant shall have the right of entry to such buildings or structures, except single-family residences, for the proper performance of his duties between the hours of nine a.m. and five p.m., except that in the case of an emergency he shall have the right of entry at any time, if such entry is necessary in the interest of public safety.

(e) Notwithstanding any provision of the Freedom of Information Act, as defined in § 1-200, or the State Building Code, upon receipt of a written request signed by the owner of plans and specifications on file for a single-family dwelling or out-building, the building official shall immediately return the original plans and specifications to the owner after a certificate of occupancy is issued with respect to the plans and specifications.