CAD image of a Concast Ventilated  Cover

Link to the trench photo albumTrench Photos

Ventilated Rib W.
(Inches)
Width
& Length
Weight
(Pounds)
8011V 22.5L
8011V 22.5R
9.75 12 X 48 --
8011V 45L
8011V 45R
9.75 12 X 48 --
8021V 22.5L
8021V 22.5R
19.75 22 X 48 45
8021V 45L
8021V 45R
19.75 22 X 48 39
8025V 22.5L
8025V 22.5R
23.75 26 X 48 --
8025V 45L
8025V 45R
23.75 26 X 48 --
8031V 22.5L
8031V 22.5R
29.75 32 X 48 --
8031V 45L
8031V 45R
29.75 32 X 48 --
8041V 22.5L
8041V 22.5R
39.75 42 X 48 --
8051V 22.5L
8051V 22.5R
49.75 52 X 48 --
*Rib width corresponds to top of the channel inside width.