6 Colo. Code Regs. § 1007-1-6-A
6A.1 In order to provide an evaluation and technical advice on shielding requirements for a radiation installation, the following information shall be submitted to the qualified expert or registered medical physicist.
6A.1.1 The submittals shall include a dimensional, scaled drawing of the facility which shows the following:
(1) The normal location of the x-ray imaging system's radiation port; the port's travel and traverse limits; general direction(s) of the useful beam; locations of any windows and doors; the location of the operator's booth; and the location of the x-ray control panel.
(2) The structural composition and thickness of all walls, doors, partitions, floor, and ceiling of the room(s) concerned.
(3) The dimensions of the room(s) concerned and inter-floor distances if space above or below is occupied.
(4) The type of occupancy of all adjacent areas inclusive of space above and below the room(s) concerned.
(5) If there is an exterior wall, the distance to the closest area(s) where it is likely that individuals may be present.
(6) A description of the x-ray imaging system and components, including the make and model of the equipment.
(7) The type of examination(s) or treatment(s) that will be performed with the equipment.
6A.1.2 Information on the anticipated workload of the x-ray imaging system(s).
6 CCR 1007-1-6-A