Henrique Perez Projects Guri Dam

2. MWH Engineering - Guri Project Lessons
Slide 2
Preparing Venezuela for the 21
st
Century
Guri – 10,000 MW Caroni River
The Guri Hydroelectric complex provides
the most economical power in the world.
Owned by Edelca, a subsidiary of CVG.
CORPORACION
VENEZOLANA DE
GUAYANA CVG,
The Venezuelan
Guayana Corporation
was created by the
Venezuelan
government to
develop Guayana for
the Venezuelan
people.
Gravity Dam:
Deflection 22 mm
Seepage 10 litres
per second

3. MWH Engineering - Guri Project Lessons
Slide 3
Staged Construction
1980
1986
1982

4. MWH Engineering - Guri Project Lessons
Slide 4
52 m Guri Dam Raising
Jan Veltrop
R.P. Wengler
Dr. W.Y. Shieh
Dr. C.H. Yeh
1984
Monolith width:
First stage 21 m
Final stage 28 m

5. MWH Engineering - Guri Project Lessons
Slide 5
52 m Guri Dam Raising

6. MWH Engineering - Guri Project Lessons
Slide 6
52 m Guri Dam Raising
Investigate
interaction of
old & new dams
using finite
element analysis
Temperature
control of new
concrete
ICOLD Bulletin
Dr. W.Y. Shieh
Dr. C.H. Yeh

7. MWH Engineering - Guri Project Lessons
Slide 7
Spillway Aeration
8% air in boundary layer
protects against cavitation
Dr. C.Y. Wei
Dr. V. Semenkoy

8. MWH Engineering - Guri Project Lessons
Slide 8
Intake Design – Record Roller Gates
Intake
Hydraulic Gate Hoist
Plan
Roller Gate
Valve
Dr. J.E. Lindell
I.T. Laczo

9. MWH Engineering - Guri Project Lessons
Slide 9
Ten 700 MW units
Hall 25.25 m wide
364 m long

Two 700 ton cranes
Single Phase 268
MVA transformer
800 kv transmission
lines
Record Powerhouse
operator

10. MWH Engineering - Guri Project Lessons
Slide 10
Record Turbine
Cast stainless steel
Turbine Rated
700 MW
W.E. Larson, R.W. Fazalare
J. Sun, R. Israelsen

11. MWH Engineering - Guri Project Lessons
Slide 11
Record Generator 800 MVA
Machine Hall is 28 m
wide. Two 700 ton
bridge cranes lift
1200 ton rotor.
O. Deniz
1200 ton rotor

12. MWH Engineering - Guri Project Lessons
Slide 12
800 kV Transmission Line
4 conductor
bundles

13. MWH Engineering - Guri Project Lessons
Slide 13
Guri Embankment Dam

14. MWH Engineering - Guri Project Lessons
Slide 14
Guri Embankment Dam

15. MWH Engineering - Guri Project Lessons
Slide 15
Guri Embankment Dam