Manhole frame and method of installation and raising

Details Manhole frame and method of installation and raising Manhole frame and method of installation and raising

E - Fixed Constructions

02

D

E02D 29/14 (2006.01) B65D 90/10 (2006.01)

Patent

CA 2106814

MANHOLE FRAME AND METHOD OF INSTALLATION AND RAISING ABSTRACT OF THE DISCLOSURE A manhole frame having a top with an opening therein defining a cover seat area, a side wall extending downward from the top to an inwardly extending lower flange, the exterior of the side wall being outwardly extending at its top and inwardly extending at its lower portion down to an inwardly extending lower flange. Also disclosed is a method of installing and raising the manhole frame to a new level.

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