Water Operations And Maintenance Bulletins

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-O-

Ochre Clogging 113

Oil:
Additive 57
Analyzing Engine Oil to Detect Wear 45
Catcher, Crankcase 54
Change - Take One Step Further 164
Dipstick Modification 15
Disposal 5, 25
Equipment Lubricants 49
Filters, Replacement 38
Hydraulic Hoist 61
Pumps, Maintenance 34
Stoppers, Transformers 30
Tanks, Rubber 70
Used Oil, What to do With 94

Oil Spills:
Absorbent Socks 171
O&M Experiences:
Wickiup Reservoir Seepage 134
Preventing Oil Spills 177
Skimming the Waterways - Once-Over-Lightly 88

Open Flow Meters:
Replacing 71

Open Trench Failures - Trenchless Pipe Solution 201

Operating a Dam Safely 144

Operation and Maintenance Standards 62

Operation Hints:
Control House Deck Covers 192
Equipment 2

Orders:
Giving 56

Orifice Head Measurement Float Tapes 70

Outflow Data:
Telemeter Reporting 42

Outlet Works:
Blockage at Belle Fourche Dam 119
Bypass Pipe Failure - Mason Dam 140
Cavitation Damage - Folsom Dam 182, 185
Failure at Whiskeytown 126
Penstock and Outlet Works Guard Gate and Valve Testing 163
Testing Close-Coupled Outlet Works Gates and Valves Under
Unbalanced Head Conditions 166
Willow Creek Repair - Cured in Place 187

Outlets:
Electrical Convenience 24

Outriggers on Older Line Trucks 75

Overflow Siphons, Automatic 66

Overtopping Protection:
Roller Compacted Concrete 174
Stepped Overlays 174

Owls Discourage Troublesome Birds 130

Oxyacetylene Cutting Table 80

Oxygen - Life Giver, and Killer 88

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Last Updated: 6/11/15