Elevations

Question 1

Draft tube access gallery / runner hub drain header

Answer 1

367

Question 2

Maximum tail water

Answer 2

444

Question 3

Crane access balcony

Answer 3

457 assembly bay + 10

Question 4

Minimum tailwater for navigation

Answer 4

385

Question 5

Minimum headwater

Answer 5

442

Question 6

Center of switchyard / top of powerhouse parapet

Answer 6

496

Question 7

Centerline of scroll case and wicket gates

Answer 7

395

Question 8

Bottom of station sump

Answer 8

348

Question 9

Unwatering sump water level alarm sounds / unwatering sump pumps start (manually)

Answer 9

340

Question 10

Bottom of draft tube

Answer 10

335

Question 11

Spillway crest

Answer 11

406

Question 12

Intake to scroll case backfill

Answer 12

430

Question 13

Classroom roof

Answer 13

464 top of dam + 1

Question 14

Bottom of Unwatering Sump

Answer 14

326

Question 15

Top of trash racks

Answer 15

420

Question 16

Pump floor

Answer 16

414.75 Generator cooling water pump Unwatering pumps Governor oil accumulator tank Generator emergency cooling water pump Governor oil pump and sump Deluge fire pump Access to elev 428

Question 17

Turbine floor

Answer 17

413-Elevator storage room Heavy equipment room Water treatment room Oil storage room Oil purification room Access to station sump pump floor Oil storage and purification CO2 Raw service water pumps Farval greasers Access to thrust housing Access to wheel pit Access to scroll case door Access to Unwatering valve room Warehouse transformer 1 and 2 Generator CO2 equipment Spread room Cable gallery Generator surge protection equipment Air compressors ( station service, evacuation, governor ) Air receiver tanks ( station service, evacuation, brake, governor )

Question 18

Top of dam

Answer 18

463

Question 19

Station sump pump discharge to tailwater

Answer 19

400

Question 20

Generator floor

Answer 20

428 Machine shop Electric shop Electric storage room Break room Switchgear room # 1 Control room Switchgear room # 2 Battery room MG room Fan room # 2 Emergency diesel room Fan room # 3 Restrooms

Question 21

Station sump pump room floor

Answer 21

393

Question 22

Top of classroom roof parapet

Answer 22

466.33

Question 23

Top of Powerhouse Crain Rail

Answer 23

471.5

Question 24

Generator cooling water intake

Answer 24

398

Question 25

Bottom of spillway bucket

Answer 25

372

Question 26

Emergency cooling water intake / raw water intake

Answer 26

410

Question 27

Tail deck

Answer 27

418

Question 28

Center of Generator Shaft Coupling

Answer 28

416

Question 29

Spillway bulkhead storage/spillway gate machinery compartments

Answer 29

455

Question 30

Maximum headwater

Answer 30

450

Question 31

Transformer yard

Answer 31

447 Parking plaza Service bay erection area Service bay erection area storage Visitors lobby Office area Communication room File room Fan room # 1 Classroom Top of spillway gates

Question 32

Depressed water level

Answer 32

375

Question 33

Minimum Tailwater / Top of Spillway Bucket

Answer 33

382

Question 34

Intake deck

Answer 34

452 max HW + 2

Question 35

Normal headwater

Answer 35

445

Question 36

Oil circuit breaker bases

Answer 36

496.5

Question 37

Side of switchyard

Answer 37

495.75

Question 38

Intake to tailwater gage well

Answer 38

380

Question 39

Excavation for unwatering sump (lowest elevation)

Answer 39

323

Question 40

Centerline of spillway gate trunions

Answer 40

425

Question 41

Bottom of Trash Rack

Answer 41

374

Question 42

Valve Room for Unwatering Valves

Answer 42

400.5

Question 43

Clean and Dirty Lube Oil Pumps and Purifier

Answer 43

410.5

Question 44

Lock Operating Building

Answer 44

455.5

Question 45

Thrust Housing Floor

Answer 45

420.5