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Water Operations And Maintenance Bulletins

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-I-

Ice Melters and Concrete Damage:
Are They Related? 162

Ice Prevention at Intakes 141

Ice-Jam Floods 114

Icing:
Panel Wall Heaters (for Ice Control) 172
Seeking Solutions for - at Dams and Hydroplants 188

Idler Wheels:
Trash Collector 49

Impact Wrenches 5

Impellers:
Pulling-Bronze Type 38

Improved Appearance Program 68

Improved Fishery Habitat 176

Increase Your Hammer's Utility 85

Indicators:
Dual-Scale Dial Indicators on Check Gates 109
Gate Opening 54, 66
Gear-Lift Gate Position 30
Radial Gate Position 12, 25
Water Level 34

Insecticides:
Exposure Symptoms 147

Insects:
Stinging Problems 40

Insects and Arachnids Employees May be Exposed to on or Off the Job 96

Inspection:
Brake Motors and Speed Reducers 185
Bridge Diving 168, 203
Chain Hoists 70
Inaccessible Features 176, 203
Wire Rope 165

Inspection of Projects:
Flexible Pipe Toe Drains    197
Importance 44
Special Vehicle 43
Waterfront Facilities and Bridges 203

Inspection Scopes:
Underwater Type 29, 203

Inspection Vehicle:
Canal Maintenance 43
Pipe Maintenance 59

Insulation:
Air Valve Structures 43
Blowoff Structures 43
Fresh Concrete 24

Intake Structures, Beware of Blowback 159

Intake Tower Replacement 158

Internet - B. O. R.     177,   189

Iron Bacteria 102, 105, 113

Irrigation:
Necessity and Imagination Transform an Ancient Task 137
Subsurface Drainage 188
Three-Way Aid for 134

Irrigation Conveyance Losses - Reducing 156

Irrigation District Management 72

Irrigation Efficiency Improved in Wellton-Mohawk District 135

Irrigation Machines:
Maintenance 109
New Standard Adopted 89
Spray Tips 148 , 148

Irrigation Management Services Program: 99
Benefits 99
Field Schedule 99
Irrigation Guide 99
Irrigation Scheduling 99

Irrigation Motors 1

Irrigation Operators' Workshop - Equipment Management 48
Summary 59

Irrigation Pumping:
Natural Gas Still Cheapest for 134

Irrigation Pumps:
Winterizing 73

Irrigation Structures:
Algae Identification 161
Inlet Screening 191
Installing Wooden Walk Planks 61
Overshot Gates:
A 1st for an Irrigation Structure 153
Safety Tags 70

Irrigation System Operation:
Center Pivot:
Inspection 115
Wheel Rut Reduction 115
Electronic Control 58
Flow Metering     189,   193,    196
Herbicide Monitoring Study 69
Notched Irrigation Ditches 129
Reducing Maintenance Costs 143
Remote Controls 32, 235
Successful Irrigation Takes Planning 86
Urban Areas 55

Irrigator's Arithmetic 96
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