Water control structure

Details Water control structure Water control structure

2005-10-01

2008-09-09

Lagman, Frederick L. (Department: 3673)

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

C405S107000, C405S100000

Reexamination Certificate

active

07422392

ABSTRACT:
The invention relates to improved pneumatically operated spillway gate systems and methods of constructing and operating the same. Methods of installation without the requirement for coffer dams are disclosed. A maintenance service dewatering box and service crane is also disclosed

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