Spillway gate system

Details Spillway gate system Spillway gate system

1995-08-24

1997-07-01

Graysay, Tamara L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405 87, 405 84, 405108, E02B 508

Patent

active

056429630

ABSTRACT:
A spillway gate system for use as a navigation dam in which individual spillway gates may be serviced. The spillway gate system comprising a spillway including abutments at opposite ends thereof; wherein at least one of the abutments includes a cavity therein having a bottom surface; a removable bulkhead covering the cavity in the abutment; a plurality of water control gates hinged to the spillway; a service crane movable along the spillway and including a dewatering caisson; and a seal for sealing the caisson to the gates and to the bottom surface of the cavity.

REFERENCES:
patent: 4729692 (1988-03-01), Tucker
patent: 4780024 (1988-10-01), Obermeyer et al.
patent: 5092707 (1992-03-01), Obermeyer
patent: 5310284 (1994-05-01), Snowberger

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