Process for raising manholes

Details Process for raising manholes Process for raising manholes

1976-08-27

1977-09-27

Byers, Nile C.

Road structure, process, or apparatus

Process

52 21, 210163, 404 26, E03F 100, E02D 2914

Patent

active

040508390

ABSTRACT:
A process for raising manholes and manhole covers to a new grade level of a street when constructing new streets or when paving old streets, comprising the steps of placing a sealing means around the interior of the cast manhole between the lower edge thereof and the upper edge of a sewer catch basin, and pouring wet concrete around the exterior of manhole, the sealing means, and the upper edge of the sewer catch basin to form a continuous joint between the manhole at the raised grade level and the upper edge of the sewer catch basin, and removing the sealing means from between the edges of the manhole and sewer catch basin.

REFERENCES:
patent: 1852928 (1932-04-01), Helling
patent: 2166632 (1939-07-01), Hardesty
patent: 3250190 (1966-05-01), Taylor
patent: 3695153 (1972-10-01), Dorris
patent: 3891337 (1975-06-01), McCoy
patent: 3968600 (1976-07-01), Bowman

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