Blue Mesa Dam and Powerplant: Colorado River Storage Project, Gunnison Division, Curecanti Unit, Colorado

Front Cover
U.S. Department of the Interior, Bureau of Reclamation, 1975 - Blue Mesa Dam (Colo.) - 426 pages

From inside the book

Contents

Reservoir and flood control requirements
46
Gate structure
51
Approach channel
52
Spillway tunnel repairs
59
Manifold anchor block
65
Tailwater control structure
71
Powerplant
74
Tailwater control structure
78
36
81
Access metalwork for the modification of the outlet pipes
91
16 by 18foot fixedwheel gate frame for outlet works intake structurePlan and sections
92
16 by 18foot fixedwheel gate for outlet works intake structurePlan elevations and sections
94
Hoist for 16 by 18foot fixedwheel gate
96
Hoist and stem assembly for 16 by 18foot fixedwheel gate
97
Controls for 16 by 18foot fixedwheel gate hoistGeneral assembly and list of parts
98
Electrical installation of control for fixedwheel gate hoistSchematic diagram
99
Controls for 16 by 18foot fixedwheel gateOperating diagram and instructions
100
Installation of 84inch ringfollower gates in outlet structure
104
Controls for the 84inch ringfollower gates
105
39
106
Controls for 84inch ringfollower gateOperating diagrams and instructions
107
Installation of 84inch hollowjet valves and controls
109
Assembly of 84inch hollowjet valve
110
Control system and cabinet for 84inch hollowjet valves
111
Outlet works intake structure trashracksElevation and sections
113
Stoplogs for the outlet works intake structureInstallation and assembly
114
Reservoir water level gage
115
Reservoir level gage in outlet works intake structureInstallation details
116
Iceprevention air system for outlet works intake structureCompressor piping and supply header
117
Iceprevention air system for outlet works intake structureDistribution piping
118
Iceprevention air system for spillway gate structureCompressor piping and supply header
119
Iceprevention air system for spillway gate structureDistribution piping
120
Iceprevention air systems for spillway and outlet worksList of parts
121
44
122
Iceprevention air systems for spillway and outlet worksOperating instructions
123
Heating systems for outlet works valve rooms and compressor house
124
Spillway and outlet works electrical system diagrams
125
Electrical installation for spillway
126
Electrical installation for outlet works
127
DesignPOWERPLANT 90 Location and description
129
46
130
Longitudinal section at the centerline of the units in the powerplant
131
Plant arrangement
132
Completion work for the powerplant
133
General arrangement of the powerplant floor elevation 7171 25
134
Transverse sections of the outlet structure and at the centerline of the generating units of the powerplant
135
General arrangement of the powerplant floor elevation 7153 12
136
B Structural Design Considerations 96 General
137
Structural design data and stability analyses for the powerplant
138
Structural arrangement plans for the powerplant
139
Structural arrangement sections for the powerplant
140
Superstructure
141
Structural details
142
Expansion joint details for the powerplant unit bays and outlet structure
143
Sequence of construction and location of metal seals and rubber waterstops for placements 1 through 20 elevation 7125 0 to elevation 7153 45 in po...
144
Secondstage concrete
146
Building Facilities 108 Heating and ventilating system
147
Sewage disposal septic tank for the powerplant
148
Governor
149
Final Spillway Design
150
Section Page 113 Gravity drainage and air vent system
151
Schematic piping diagram for gravity drain system and air vents in powerplant
152
Schematic piping diagram for unwatering system in powerplant
153
Schematic piping diagram for lubricating oil system in powerplant
154
Schematic piping diagram for insulating oil in powerplant
155
Unit cooling water system
156
Schematic piping diagram for air compressor cooling water system in powerplant
157
Schematic piping diagram for fireprotection water system in powerplant
158
Compressed air system
159
Water level gages
163
23
164
35
170
Bulkhead gates
172
b Design
179
Main exciters
184
Generator grounding equipment
185
Grout cap trench
241
Spillway and diversion tunnel
242
Outlet works
244
b Outlet portal
245
d Powerplant manifold anchor block and outlet works outlet structure
247
River channel improvement
248
Embankment Materials Sources 191 Investigations for construction materials
249
Borrow areas
250
b West Lake Fork
251
Construction equipment
260
b Zone II earthfill material
261
Settlement points
262
Highpressure grouting in spillway foundation
263
Highpressure grouting in outlet works tunnel
265
Backfill grouting in diversion tunnel
266
Backfill grouting in outlet works tunnel
267
Grouting on diversion tunnel plugs
268
b Specifications No DC6342
274
Diversion tunnel plugs
281
226
286
b Intermediate structure
287
Section Page g Powerplant secondstage concrete
290
h Control cable duct
292
Damage to powerplant 9line wall and transformer deck
293
Structural steel
294
b Removable enclosure
295
Highpressure gate and controls for diversion control structure
296
Stoplog seats and guides for diversion control structure
297
Stoplog seats and guides for outlet works intake structure
298
Ringfollower gates
299
Controls for butterfly valves
301
Hollowjet valves
302
Controls for the hollowjet valves and ringfollower gates
303
Fixedwheel gate
304
Hoist for fixedwheel gate
305
Radial gates
306
Wall and sill plates for 25 by 33 5foot radial gates
307
Iceprevention air systems
308
b Operation
309
a Mechanical
310
Piping systems
311
Section Page b Trashracks
312
Testing of grounding system
313
J Installation of Metalwork and Machinery Specifications No DC6342
314
b Installation of nonembedded parts
315
c Difficulties
316
Governors
317
b Electrical installation
318
Powerplant sump pumps
319
Centrifugal pumping units
320
Filter paper drying oven
321
Chlorinating equipment
322
Piping systems
323
Cleaning and painting
325
Spillway gate and outlet works intake structure areas
326
Main control board CCA and sequential operations recorder
335
b Order of installation
341
Rotor assembly
344
Upper bearing bracket assembly
345
Assembly of major parts
346
Generator grounding
347
ConstructionSWITCHYARD 309 Earthwork
351
Gravel surfacing
352
Concrete in switchyard structures
353
Structural steel
354
Test of grounding installation
355
115kilovolt power circuit breakers
356
115 to 12 47kilovolt power transformer
357
Disconnecting switches
358
ConstructionROADS 327 General
359
Gunnison County Road No 7
362
Section Page
365
B Construction costs by pay itemsSpecifications No DC5735
375
Major supply contractsA list of principal supply contracts
413
G Conversion curvesEnglish to metric system of measurement
419
Other available Technical Records of Design and Construction
425

Common terms and phrases

Popular passages

Page 5 - It has made possible a dream that persisted for decades — the taming of one of the longest, wildest, and most savage rivers in the country, the Colorado and its tributaries. The Colorado River storage project was planned to conserve the very limited precipitation which falls principally in the form of snow in the high mountains and to utilize it for municipal, industrial, and agricultural growth. The sum of...
Page 44 - That the Curecanti Dam shall be constructed to a height which will impound not less than nine hundred and forty thousand acre-feet of water or will create a reservoir of such greater capacity as can be obtained by a high waterline located at seven thousand five hundred and twenty feet above mean sea level...
Page 58 - The hoists were designed with a safety factor of five, based on the ultimate strength of the material and assuming 60 percent of the total rated torque applied on one end unit.
Page 426 - Orders should be accompanied by check or money order made payable to the Bureau of Reclamation, Denver, Colorado.
Page 4 - The dividing point between the two ba°ins is at Lee» Ferry, near the northern border of Arizona. Water allocated to the upper Ьамп was further apportioned to the individual States of Arizona, Colorado, New Mexico, Utah, and Wyoming by the Upper Colorado River Basin Compact of 1948. The Colorado River Storage Project was initially authorized by Congress in 1956.
Page 53 - ... develop the hydraulic design of the morning glory inlet and its approach, the vertical bend, the horizontal conduit, and the stilling basin. 5. Hydraulic model studies of Yellowtail Dam spillway - Missouri River Basin Project, Montana: US Bur Reclamation Lab Rep HYD-483, 38 p, Denver, Colo, Aug 1964 Model studies were conducted to develop the hydraulic design of the approach channel, intake structure, tunnel transition section, inclined tunnel, vertical bend, tunnel trajectory, combination stilling...
Page 57 - G is the weight, v the velocity in feet per second, g the acceleration of gravity in feet per second in a second, and R the radius of curvature.

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