Section 600.300  Vehicle Scales Regulation

a)         Except for scales used for the enforcement of highway weight laws, all vehicle scales shall comply with the requirement of the National Institute of Standards and Technology Handbook 44, which is adopted in Section 8 of the Weights and Measures Act [225 ILCS 470/8] and shall, in addition, meet either 1, 2 or 3 of the following requirements:

1)         Pit Vehicle Scales – All pit vehicle scales shall be installed to comply with the following requirements:  

A)        The pit shall have a minimum depth of 32 inches to be measured from the bottom of the eyebeam to the floor of the pit.

B)        Floor of the pit is to be constructed of concrete with drainage.

2)         Low Profile Pitless Vehicle Scales – All low profile pitless vehicle scales shall be installed to comply with the following requirements:  

A)        A concrete pad shall be poured underneath the entire length and width of the scale at or above ground level.

B)        The scale shall be installed to insure that surface water will drain away from the scale area.

C)        Clearance of at least four inches shall be provided from the bottom of the eyebeam to the top of the concrete pad of the underneath side of the scale.

D)        Clearance of at least three feet shall be provided around the sides of the scale to insure for proper cleaning and servicing.

3)         Portable Pitless Vehicle Scales

A)        Temporary Use of Scale – the scale may be used at the same facility for a period of not more than twelve months from the date of the initial state certification.

B)        Limited Use of Scale – the scale shall be used only for the weighing of soil, gravel, sand, cement and other building materials.

C)        State Test Required – a state scale test (Sections 10 and 30 of the Weights and Measures Act) is required prior to the use of the scale.  This procedure is to be repeated each time the scale is moved.

b)         Livestock Scales. Livestock scales shall comply with the requirements of National Institute of Standards and Technology Handbook 44 and regulations established by the U.S. Department of Agriculture, Packers and Stockyards Division.

c)         National Institute of Standards and Technology Handbook 44 is available from the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402.

(Source:  Amended at 19 Ill. Reg. 8114, effective June 7, 1995)