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Functions and Types
Basis for Selection of Type
Preliminary Information Required

BULKHEAD GATES

Intake Bulkhead Gates
Draft–Tube Bulkhead Gates
Advantages over Stop Logs
Guiding and Seating
Method of Handling
Seating and Bearing Surfaces
Storing
Design Considerations
Bearing Pressures
Tail-Water Turbulence
Plate and Flange Widths
Construction Details
Reference Drawings
Stop Logs
Timber Stop Logs
Steel Stop Logs
Reference Drawings

WHEEL- AND ROLLER-MOUNTED GATES

Spillway Gates

COaster Gates

Fixed-Wheel Gates
Tunnel Gates
Submerged Gates
Reference Drawings

HIGH-PRESSURE CONTROL AND EMERGENCY GATES

High-Pressure Gates
Frame and Bonnet
Design Heads
Seats
Air Inlets
Hoist
Capacity
Hoist Controls
Gate Hanger
Standard Sizes
Ring-Follower Gates
Design Considerations
Materials and Working Stresses
Ring-Seal Gates
The Gate Leaf
Ring Seal
Cast-Iron Housing
Design Considerations
Working Stresses
Reference Drawings
Jet-Flow Gates
Hydraulic Design Considerations
Mechanical Design Considerations

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Reference Drawings
Screw-Lift Turn-Out Gates
Reference Drawings

MISCELLANEOUS GATES

Roller Gates
Discharge Characteristics
Components of the Gate
Method of Sealing
Hoisting
Hoist Frame

GATE HOISTS

Power-Operated Gate Hoists
Design Considerations
Reference Drawings
Radial Gate Hoists
Manually Operated Gate Hoists
Power-Operated Gate Hoists
Design Considerations
Reference Drawings
Mechanical Hoists for Fixed-Wheel or Roller-Mounted Gates
Hoist Operating Speeds
Design Stresses
Reference Drawings
Hydraulic Hoists for Fixed-Wheel or Roller-Mounted Gates
Operation
Design Considerations
Materials and Design Stresses
Reference Drawings

MISCELLANEOUS METALWORK

Lifting Frames and Beams for Stop Logs, Bulkhead Gates, and Trashracks
Design Considerations
Reference Drawings
Trashracks
Types and Reference Drawings
Type 1
Type 2
Type 3
Selection of Type
Design Considerations
Design of Trashrack Bars
Design of Horizontal Members
Materials
Proportions of Welds
Economies of Trashrack Installations
Structural Details
Stairways and Ladders
Inclined Stairways
Reference Drawings
Spiral Stairways
Arrangement
Reference Drawings
Ladders
Reference Drawings

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BURE AU OF RECLAMATION

VALVES, GATES, AND STEEL CONDUITS

Chapter 1 Hydraulic Valves and Gates

LIST OF FIGURES

Paragraph
Title Reference

Weights of Outlet Regulating Valves 1.2D
58-inch Balanced Valve Assembly--

Arrowrock Dam 1.4D-1
54-inch Needle Valve--Roosevelt Dam 1.4D-2
58-inch Balanced Needle Valve 1.4D-3
Internal Differential Needle Valve 1.4D-4
86-inch Interior Differential Needle Valve--

Friant Dam, Madera Canal Outlet 1.4D-5
Needle Valve, 1940 Design--Layout

Diagram 1.4D-5
Needle Valve, 1940. Design--Capacity

Curves 1.4D-5
Needle Valve, 1940 Design--Weight Curves 1.4D-5
44-inch Regulating Tube Valve--Green

MOuntain Dam 1.5B
72-inch, 150-pound Hollow-jet Valve--

Standard Design 1.6
Hollow-jet Valve--Capacity Curves 1.6
Hollow-jet Valve--Weight Curves 1.6
Hollow-jet Valve-- Layout Diagram 1.6A
168-inch Butterfly Valve--Boulder Power

Plant 1.7
76-inch Butterfly Valve--Granby Pumping

Plant 1.7
11.62- by 11.62-foot Bulkhead Gate--Kortes Dam 1.11
50- by 50-foot Regulating Gate Leaf--

Keswick Dam Spillway 1.14
Slot Layout for 50- by 50-foot Regulating

Gate--Keswick Dam Spillway 1.14
15- by 19.05-foot Coaster Gate for Main

Unit Penstocks--Shasta Dam 1.15
Slot Section, 15- by 19.05-foot Coaster

Gate for Main Unit Penstocks--Shasta Dam 1.15
11.92- by 11.92-foot Fixed-wheel Gate for

River Outlet--Friant Dam 1.16 4- by 4-foot High-pressure Gate Assembly

with Hydraulic Hoist 1.17-I Oil Piping Installation, Tank, and Bracket

for High-pressure Gate Control--Angostura

Dam, River Outlet Works 1.17-I
102-inch Ring Follower Emergency Gate--

Grand Coulee Dam 1.18
Effect of Size on Tensile Strength of Gray

IrOn 1.18B
86-inch Ring Seal Gate for River Outlets--

Friant and Shasta Dams 1.19
77-inch Regulating Gate for River Outlets--

Canyon Ferry Dam 1.20
Hoist for 77-inch Regulating Gate, River

Outlets--Canyon Ferry Dam 1.20
10- to 12-foot Radial Gates for Heads of

10 to 11 Feet 1.21 Radial Gate and Hoist for Tule River

Wasteway--Friant Kern Canal 1.21P

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Number

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Title

51- by 34.5-foot Radial Gate, General
Installation--Canyon Ferry Dam
51- by 34.5-foot Radial Gate, Gate
Assembly--Canyon Ferry Dam
50- by 30-foot Radial Gate--Enders Dam
22- by 19-foot High-head Radial Gate--
DaViS Dam
100- by 18-foot Drum Gate--Friant Dam
21-inch Rubber-cushioned Flap Gate--Adams
Pumping Plant
60-inch Flap Gate for Discharge Pipe and
Outlet Structure--‘‘C’’ Line Canal Pumping
Plant
72-inch Diameter Flap Gate for Pumping
Plants No. 1, 2, and 3--Wellton-Mohawk
Canal
60- by 12-foot Spillway Ring Gate,
Assembly--Owyhee Dam
60- by 12-foot Spillway Ring Gate, Control
Layout and Assembly--Owyhee Dam
32-foot Diameter Cylinder Gates for Intake
Towers--Boulder Dam
24-inch Diameter Screw-lift Vertical Gate
for Heads of 10 to 15 Feet
110-foot Roller Gate--Roza Diversion Dam
110-foot Roller Gate Hoist--Roza Diversion
Dam
Power-operated Gate Hoist, Capacity 7,000
to 10,000 Pounds
Power-operated Gate Hoist, Capacity 15,000
to 20,000 Pounds
Control for Power-operated Gate Hoist
Radial Gate Hoist, Capacity 3,000 Pounds
Radial Gate Hoist with Center Drive,
Capacity 5,000 Pounds
Radial Gate Hoist, Capacity 5,000 Pounds
Radial Gate Hoist, Capacity 10,000 Pounds
Radial Gate Hoist, Capacity 60,000 Pounds
50- by 50-foot Regulating Gate Hoist--
Keswick Dam Spillway
15- by 19.05-foot Penstock Coaster Gate
Hoist--Shasta Dam

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