A person shall not erect, construct, service, test, repair, maintain, install, alter, remove or dismantle a conveyance within a building or structure unless a permit has been obtained from the division before the work is commenced. The conveyance, and any alteration thereto, shall conform to all applicable standards. The division shall issue permits to contractors properly licensed pursuant to the Elevator Safety Act. A copy of the permit shall be kept at the construction site at all times while the work is in progress.