The fields with the red border are required.

AMICO BAR GRATING CALCULATOR
ALUMINUM I-BAR AND RECTANGULAR BAR GRATING
Input Grating Options**    
Enter design parameters in the yellow fields below.   Style Bar size Approximate weight Section modulus* Moment of inertia*
Americans with Disabilities Act (ADA) requires that the clear space
between bearing bars be no greater than 1/2in.
ADA compliant?
  Contact AMICO
Type
(in) (psf) (in3) (in4) (Y/N)
800-366-2642
Bearing bar spacing
 /16 in.
E-mail
Cross-bar spacing
 in. 
Web
Grating surface
Clear span  in. 
Uniform load  psf
Concentrated load*  lbf
Allowable deflection  in. 
Alloy type 6063-, 6061-T6
Allowable stress  psi
  * Per foot of grating width.        
** All grating options shown on this list meet ANSI/NAAMM MBG 531 strength and deflection requirements.
           
     
     
       
         
                   
                     
      I-bar swaged (SI-type) Rect. bar swaged (SR-type) Press-locked (AP-type)
                 
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