A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A manhole riser system including upper and lower flanged rings with an adjustable height sleeve for raising the height of the manhole support cover frame to a new pavement level. The adjustable height sleeve is cut and overlapped for various dimensions and a pavement grade marking assembly provides for custom height cutting during placement assembly within the manhole.
A manhole riser system including upper and lower flanged rings with an adjustable height sleeve for raising the height of the manhole support cover frame to a new pavement level. The adjustable height sleeve is cut and overlapped for various dimensions and a pavement grade marking assembly provides for custom height cutting during placement assembly within the manhole.
METHOD FOR MANHOLE RISER EXTENSIONS
CRITES MICHAEL (author)
2022-12-22
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
RAISING MEMBER OF MANHOLE, RAISING METHOD OF MANHOLE AND MANHOLE
| European Patent Office | 2018