Glen Canyon Dam and Powerplant: Constructed 1957-1966; Colorado River Storage Project, Arizona-Utah

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Contents

Topography areal geology and location of exploration for dam and powerplant
16
Logs of exploration on section HH
17
Logs of exploration on section GG
18
Logs of miscellaneous exploration holes
20
Logs of drifts No 1 and 2
22
Graphical portrayal of the physical property tests on foundation cores for the right abutment
23
Construction geology at damsite
24
Section Page
27
Dam foundation groutingAholes
28
Dam foundation groutingBholes
30
Dam foundation grouting from adits
31
Dam exploratory tunnel right keywayElevation 3118 grouting system
33
Dam right abutmentFoundation contact grouting above elevation 3680
34
Left abutment foundation drainage
35
Right abutment foundation drainage system
36
Left and right canyon wallsRock anchorage and drainage holes
37
Left diversion tunnel Rock slab anchorage downstream of outlet portal
38
Left diversion tunnel outlet works
40
Left diversion tunnel outlet worksAccess adit
41
Left spillwayPlan and sections
43
Damsite diversion requirements hydrographsSnowmelt season
44
Left diversion tunnelOutlet works discharge curves
45
Structural design of diversion tunnels
46
Right diversion tunnelConcrete lining and keyway excavation for plug
47
Left diversion tunnelTrashrack structure
49
Right diversion tunnel plug detailsPlan elevation and sections
50
Left diversion tunnel outlet works7 0by 10 5foot outlet gates installation
52
Left diversion tunnel outlet works7 0by 10 5foot outlet gates assembly
53
B Structural Design of Dams
55
Section Page
58
Dam design A6Plan and maximum section
59
Dam design A7Plan and maximum section
60
Dam design A7 grouted to elevation 3665 complete trialload analysisArch and cantilever stresses
61
Dam design A7Effects of construction program
62
Dam design A8 specifications designPlan and maximum section
63
Dam design A18Plan and maximum section
64
Dam design A19Plan and maximum section
65
Dam design A19 study 1 complete trialload analysisArch and cantilever stresses
66
Dam design A19 study 1 complete trialload analysisPrincipal stresses
67
Figure Title Page 199 Powerplant and switchyard electrical installation singleline installation138
69
Cooling of mass concrete
70
Dam layout for study A20Plan and sections
68
Dam study A22 finalLayout plan and section
69
Dam study A22a final complete trialload analysisArch stresses 71
71
Dam study A22b final complete trialload analysisArch stresses 72
72
Dam study A22c final complete trialload analysisArch stresses 73
73
Dam study A22d final complete trialload analysisArch stresses
74
Dam study A22a final complete trialload analysisCantilever stresses
75
Dam study A22b final complete trialload analysisCantilever stresses
76
Dam study A22c as excavated complete trialload analysisCantilever stresses
77
Figure Title Page 51 Dam study A22d final complete trialload analysisCantilever stresses
78
Dam study A22a final complete trialload analysisPrincipal stresses at upstream face
79
Dam study A22a final complete trialload analysisPrincipal stresses at downstream face
80
Dam study A22b final complete trialload analysisPrincipal stresses at upstream face
81
Dam study A22b final complete trialload analysisPrincipal stresses at downstream face
82
Dam study A22c final complete trialload analysisPrincipal stresses at upstream face
83
Dam study A22c final complete trialload analysisPrincipal stresses at downstream face
84
Dam study A22d final complete trialload analysisPrincipal stresses at upstream face
85
Dam study A22d final complete trialload analysisPrincipal stresses at downstream face
86
Dam study A22d final complete trialload analysisArch stresses at abutment extrados
87
Dam study A22d final complete trialload analysisArch stresses at abutment intrados
88
Dam study A22d final complete trial load analysisArch stresses normal to abutments
89
Contraction joints
90
Concrete cooling system in dam
91
Contraction joint layout in dam
93
Dam transverse contraction jointsKeyways and grouting system at joints 34 through 2324
94
Dam longitudinal contraction jointsKeyways and grouting system at blocks 3 through 24
95
Dam transverse contraction jointsReinjectable grouting system at joints 12 and 2526
96
e Gate chamber and gate chamber gallery
97
Dam gallery systemLeft abutment
98
Dam gallery systemRight abutment
99
Dam roadway and parapetsPlans sections elevations and details
101
Working stresses for concrete and reinforcement20000 p s i highbond bars
102
Elevator shafts and towers
103
Dam elevator towers blocks 8 and 17Plans and sections
104
Dam elevator towers blocks 8 and 17 stairwaysPlans and sections
107
Dam elevator shafts blocks 8 and 17Elevation 3177 50 to elevation 3680 90
110
Formed drains in dam 111l 77 Dam foundation gallery and adits pump sump and pump shaftBlocks 10 11 and 12
113
Dam pump chamber gallery pump chamber and aditBlocks 1011 and 12
115
General
117
Right abutment 30inch drain in dam powerplant areaPlan sections and reinforcement
118
Left abutment 30inch drain in dam powerplant areaPlan sections and reinforcement
119
Left abutment of dam downstream from powerplantPlan and sections of slide gate access structure
120
Subdrainage of backfill between dam and powerplant
121
Layout of structural behavior instruments in damBlocks 11 12 13 and 14
122
Layout of structural behavior instruments in damBlocks 2 3 4 6 and 7
123
Layout of structural behavior instruments in damBlocks 18 19 21 22 24 and 25
124
Layout of structural behavior instruments in damDeformation meter locations
125
Dam structural behavior instrumentsInstallation details
126
Dam instrument terminations
127
Layout of structural behavior instruments in damReading station and conduit details
128
Dam structural behavior instrument installation details
129
Section Page
131
Dam structural behavior measurementsLocation of deflection targets
132
Dam structural behavior measurementsLocation of piers for deflection measurements
133
Plumbline wells for deflection measurements in dam
134
Dam foundation uplift pressure pipesPlan and sections
136
Tape gage on tunnel wall 50foot tape span Glen Canyon Dam
137
Singleline diagram of electrical installation in damLeft abutment through block 12
139
General
145
Dam spillwaysProfile
147
Spillway discharge curves for one 40by 52 5foot radial gate
148
Spillways intake structures
150
Spillways right and left tunnelsElevations and sections
152
c Deflector bucket
153
Spillways right and left tunnelsGrouting and drainage details
154
Left spillway downstream portal deflector bucketPlan and sections
155
Dam spillways 40by 52 5foot radial gateGeneral installation
157
Spillway radial gate hoists
158
Plan of river outlets
162
Profile of river outlets
163
Discharge curves of river outlets
164
River outlets ringfollower gate chambersPlan elevation and sections
165
Left abutment mass concrete between dam and powerplantPlan and sections
167
Left abutment downstream from powerplantTraining wall and mass concrete around river outlets
168
River outlets trashrack structurePlans and sections
170
River outlets10 33by 10 33foot bulkhead gate installation
172
96inch ringfollower gate
173
Section Page
174
River outlets 96inch ring follower gate installation
175
River outlets 96inch ringfollower gate controlInstallation
176
River outlets 96inch ringfollower gate assembly
177
River outlets 96inch ringfollower gateCabinet equipment
178
Dam penstocks and outlet pipesGeneral plan
179
Dam river outlet pipesProfiles and installation details
180
River outlet pipe No 3Piezometer piping
183
River outlets 96inch hollow jet valveInstallation
184
River outlets 96inch hollow jet valveAssembly
185
Downstream view of 96inch hollowjet valve
186
Front view of 96inch hollowjet valve control cabinet
187
DesignPOWER WATERWAYS
189
Plan of penstocks
190
Profile of penstocks
191
PenstocksTransition and longitudinal joint crossing
192
Penstocks trashrack structurePlans elevation and sections
193
Penstocks No 1 through No 8Support A
194
Penstocks No 1 through No 8Support B
195
Penstocks No 2 through No 7Supports C and D
196
Miscellaneous metalworkGate hoist structures removable covers
197
Penstocks gate hoist structureElevation and sections
198
Penstocks gate hoist and stem storage platform and gate erector platformPlans and sections
199
Tailrace training walls
201
Dam tailrace areaRight training wallPlan and sections
202
Concrete slab for tailrace areaPlans sections and reinforcement
203
Penstock profiles
205
Penstock installation details
206
c Installation and coating
207
Penstock trashracks
208
96by 22 45foot fixedwheel gate installation for penstock intakes
210
Section Page
211
Installation of hoist for 13 96by 22 45 foot fixedwheel gatePenstock intakes
212
Intermediate stems and coupling hooks for the 13 96by 22 45foot fixedwheel gate
213
Hydraulic hoist and intermediate stems for the 13 96by 22 45foot fixedwheel gate
214
Turbine draft tube 12 42by 15 95foot bulkhead gate assembly
215
DesignPOWERPLANT
217
Transverse section through generating units 3 through 8
218
Figure Title Page 151 Powerplant general arrangementPlan elevation 3188 50
219
Powerplant general arrangementPlan elevation 3153 50
221
Powerplant general arrangementPlan elevation 3138 50
222
Powerplant general arrangementPlan elevation 3124 75
223
Powerplant general arrangementLongitudinal section through centerline of units
224
Powerplant general arrangementLongitudinal section through machine shop bay and service bay and appurtenant works
225
Powerplant general arrangementPlans floor elevation 3194 13 to roof elevation 3289 62
226
Powerplant general arrangementLongitudinal section through downstream galleries
227
Powerplant general arrangementTransverse section through generating unit 1
229
c Service bay
230
Final design
236
Powerplant stability analysisUnit bays 2 through 8 sheet 1 of 2
238
Powerplant stability analysisUnit bays 2 through 8 sheet 2 of 2
239
Powerplant stability analysisUnit bay 1
240
Powerplant stability analysisService bay
242
d Machine shop bay
243
Powerplant stability analysisMachine shop
244
Powerplant structural design dataUnit bays
245
Powerplant structural design dataService bay
246
Powerplant structural design dataMachine shop bay
247
Section Page
264
Powerplant superstructure structuralsteel general designUnit bays 4 through 8
265
Powerplant expansion joint detailsUnit bays 1 through 8
266
Powerplant expansion joint detailsUnit bay 8 machine shop bay and service bay
267
Powerplant unit bays substructure sequence of construction placements 1 through 10Elevation 3093 0 to elevation 3125 08
269
Powerplant unit bays 2 through 8 intermediate structure sequence of construction for placements 20 through 42Elevation 3124 75 to elevation 3168 ...
271
Architecture
272
Powerplant exterior elevationsArchitectural treatment
273
Powerplant sewage treatment plant
275
Hydraulic turbine data sheet
277
Powerplant sectional elevation of turbines and auxiliariesUnit bays 1 through 8
278
Governor
279
Powerplant schematic piping diagram of gravity drainage system
282
Powerplant schematic piping diagram of pressure drainage and unwatering systems
283
Powerplant schematic piping diagram of transformer oil system
284
Powerplant schematic piping diagram of lubricating and governor oil system
285
Powerplant schematic piping diagram of fire protection water system
286
Powerplant schematic piping diagram of the service water system
287
Powerplant schematic piping diagram of compressed air systems
288
Powerplant schematic piping diagram for carbon dioxide extinguishing systems
289
Powerplant schematic piping diagram of unit cooling water system
290
Generator calculated characteristics
298
Section Page
303
Powerplant and switchyard electrical installation singleline diagramUnits 7 and 8 and 230kilovolt switchyard
305
and 25kilovolt switchyards
308
Interior of control room at Glen Canyon Powerplant
309
Control equipment
310
Powerplant electrical installation singleline diagramGenerating units 1 through 8
312
Annunciator
316
Section Page
317
Powerplant stationservice 4160volt primary distribution singleline diagramSwitchgear U4B and U5B
319
Powerplant stationservice 440volt secondary distribution unit substation No 1
320
Powerplant stationservice 440volt secondary distribution unit substation No 2
321
Powerplant stationservice 440volt secondary distribution unit substation No 3
322
Powerplant cranes
324
Transformer circuits steel structuresAssemblies of towers C1T1 C2T1 and C3T1
328
Telephoto view of transformer circuit steel structures on canyon rim
329
Artists conception of 345kilovolt tower CIT1 on canyon rim
330
Switchyard steel structures 345kilovolt takeoff structureGeneral plan and elevations
331
Transformer circuits No C1 C2 C3 and C4 and tie circuit No 1Location and general arrangement
332
b 345kilovolt rim towers C1T1 C2T1 and C3T1
333
Transformer circuits steel structuresAssemblies of tower C4T1
336
Transformer circuits steel structuresAssemblies of towers C1T2 C2T2 C3T2 and C4T2
337
Switchyard 230kilovolt steel takeoff structureGeneral plan and elevations
338
Transformer circuits stringing requirements
339
Switchyard stringing requirements
340
Section Page
341
Switchyard general arrangementPlan
342
Transformer circuits from powerplant to switchyardPlan
343
Glen Canyon Powerplant and SwitchyardSwitching diagram
344
Switchyard 345kilovolt bus structurePlan
346
Switchyard 345kilovolt bus structureSections BB and CC
347
Switchyard 345230kilovolt transformer areaPlan
348
Switchyard 345230kilovolt transformer areaSections AA BB and CC
349
Switchyard 25 and 5kilovolt bus structuresPlans
350
Switchyard 69kilovolt bus structurePlan
351
Transformer circuit takeoff and neutral bus at powerplant deck transformers K1A and K3A Plan and section AA
352
Powerplant to switchyard transformer circuitsElevations and sections
353
Switchyard type C cable trenchesOutline and reinforcement
354
Switchyard key grounding plan
355
Service facilities
356
Visitor centerFirst floor architectural plan
358
Visitor centerBasement and machinery room architectural plans
359
Visitor center outside architectureSouth and east elevations
360
Visitor center outside architectureNorth and west elevations
361
Visitor centerConcrete outline footing and foundation plan
362
Visitor centerConcrete outline basement framing plan
363
Visitor centerConcrete outline first floor framing plan
364
b Structural floors stairwell and shaft
365
Visitor centerTop of dam and entrance structure
367
Visitor centerReinforcement for top of dam and entrance structure
368
Visitor centerElevator shaft and tunnel
369
Visitor centerReinforcement for elevator shaft and tunnel
370
Visitor centerRetaining walls
371
Passenger elevators
372
Visitor center and right abutment passenger elevatorsInstallation
373
Visitor centerGrading and plot plan
374
Section Page
377
Town of Page Ariz General plan
378
A Major Contracts
383
Figure Title Page 244 Organization chart for Glen Canyon Unit as of December 31 1961
392
Labor relations and contractors wage rates
395
b Contractors wage rates
398
Aerial view of aggregate processing plant on ledge above Wahweap Creek
401
Concrete batching plant being set up on west rim of Glen Canyon
402
View of prime contractors highline cableway being used to move trailers from west side to east side of the Colorado River
404
Contractors construction equipment
405
Section Page
406
Aerial view of the town of Page Ariz looking north
407
Completion of right diversion tunnel and construction of left
412
View of north portal of the right diversion tunnel showing concrete lining in place
413
View looking upstream to plug section in left diversion tunnel
415
b Award of contract
418
Installing reinforcing bars in elbow section of left spillway
421
Glen Canyon damsite as seen from progress photo point No 1 approximately onehalf mile downstream from the damsite on the west rim of the canyon
423
General description
424
View downstream from right spillway showing concrete blocks rising in dam and powerplant area
425
Aggregate processing plant flow chart
426
Heavymedia separation plant at Wahweap aggregate plant
428
Water supply
430
View across the aggregate stockpiles near the west rim of Glen Canyon as seen from Little Beehive
431
Elevation of mixing plant
433
e Delays
436
Compressive strength of concrete test cylinders for dam
439
Elevations of cableways
442
A 44ton section of the crane for the powerplant is hoisted into the air by both of the 50toncapacity cableways
444
Interior view of the hoist room in the huge head tower of the mobile cableway
445
Mass concrete in the dam
446
View looking down on the damsite from the canyon rim
447
Transfer ladle car dumping its load of concrete into a 12cubicyard bucket high over the Glen Canyon damsite
448
Section Page 2 Structural Behavior Installations 176 Reference
449
Upstream face of Glen Canyon Dam during construction as seen from the footbridge
450
Installation of embedded meters
451
Deflection measurements
452
Concrete Cooling and Grouting 183 Concrete cooling
453
Grouting
455
b Stress relief joint
456
d Chemical grouting experiment
457
e Rock bolting
459
Construction Surveys 186 General
462
Construction surveys
463
Structural behavior measurements
464
Other Features in the Dam 190 Parapets and trashracks
465
Service roads and bridge
466
Plaques
467
Radial gates
469
40 by 52 5foot radial gate for spillwayTrunnion pin assembly
470
Penstock installation
471
View of upstream face of Glen Canyon Dam showing trashrack construction
472
First of the penstock sections arriving at the damsite
473
View looking down from transfer trestle at blocks 14 13 1211 and 10 penstocks 3
474
Penstock fixedwheel gates
475
General view of equipment used in testing of river outlet No 4 at various flow conditions
479
Installation view of outlet pipes
480
Hollowjet valves being installed in outlet works
481
Hollowjet valves
482
Concrete being placed in the tailrace in front of unit bays 7 and 8 of the powerplant
487
Secondstage concrete
488
Unit bay 1Secondstage concrete outline
489
Aggregate backfill placed between dam and powerplant
493
Powerplant access tunnel
494
Preparations underway for installation of distributor ring in unit bay 1 of powerplant
496
Chronology for turbine erection
497
Repairs to turbine runners
498
Generators
499
Figure Title Page 287 Interior view of powerplant
501
Rotor for generating unit 8 being lowered into stator
501
Interior of powerplant during generator installation as seen from the service bay
501
Section Page g Work procedures and practices
502
i Some operational problems
503
75ton machine shop crane
504
Unit lubricating oil system
505
Air compressor installation
506
Stationary carbon dioxide fire extinguishing system
507
Power transformers
509
Shunt reactors
510
Main control graphic relay and distribution boards
511
Stationservice power system
512
Battery chargers
513
ConstructionSWITCHYARD TRANSFORMER CIRCUITS AND CONTROL CABLE TUNNEL 244 General
515
Highvoltage buses
516
Transformer circuits
517
Minor additions
518
A Switchyard Electrical Equipment 250 General
519
Power circuit breakers 51 g 253 Disconnecting switches
520
Construction VISITOR CENTER 254 Visitor center complex
521
Contract administration
522
Aerial view looking east over visitor center construction
523
Lake PowellReservoir elevation and water storage Readings at first of month
528
Glen Canyon PowerplantPower generated and water used
529
Transfer to operation and maintenance status
531
B Construction costs by pay itemsGlen Canyon Dam and Power
541
Construction costs by pay itemsCompletion of Glen Canyon
576
Chronology of important events related to the construction
615
E Glen Canyon BridgeTechnical information
635
F Conversion factorsEnglish to metric system of measurement
646

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Page 1 - Additional projects have been added since the original legislation was adopted. Authorized developments are: Glen Canyon unit on the Colorado River in Arizona and Utah, Flaming Gorge unit on the Green River in Utah and Wyoming, Navajo unit on the San Juan River in New Mexico and Colorado, and Curecanti unit, consisting of three dams on the Gdnnison River in Colorado.
Page 315 - Computation of time-and-onehalf for work in excess of 8 hours per day or 40 hours per week...
Page 1 - 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 2 - River system between the upper basin and the lower basin and provides that the States of the upper division (Colorado, New Mexico, Utah, and Wyoming) will not cause the flow of the river at Lee Ferry to be depleted below an aggregate of 75,000,000 acre-feet for any period of 10 consecutive years. The compact also provides for a division of surplus waters...
Page 318 - Permits for the examination of ruins, the excavation of archeological sites, and the gathering of objects of antiquity will be granted, by the respective Secretaries having jurisdiction, to reputable museums, universities, colleges, or other recognized scientific or educational institutions, or to their duly authorized agents.
Page 318 - An Act for the preservation of historic American sites, buildings, objects, and antiquities of national significance, and for other purposes', approved August 21, 1935 (49 Stat.
Page 47 - The rock formations which make up the foundation and abutments at the site are homogeneous and uniformly elastic in all directions, and are strong enough to carry the applied loads with stresses well below the elastic limit. 2. The concrete in the dam is homogeneous and uniformly elastic in all directions and is strong enough to carry the applied loads with stresses well below the elastic limit.
Page 156 - Be manufactured in accordance with section VIII of the ASME Boiler and Pressure Vessel Code...
Page 295 - Standard Specifications for Highway Bridges of the American Association of State Highway Officials...

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