SIONI HPP
BASIC DATA FOR HPP CONSTRUCTION PROJECT (PROVISIONS FOR TECHNICAL ASSISTANCE SERVICES)
SIONI HPP |
On the IORI RIV. |
| CUSTOMER: | Sakmtavarenergo |
| GEN. DESIGNER: | Hydroproject (Tbilisi) |
| GEN. CONTRACTOR: | Sakhydroenergomsheni |
| TECHNICAL ASSISTANCE / SERVICES of GEN. CONTRACTOR: |
Orgemergomsheni |
| PARAMETERS: | |
| Capacity, MW | 9 |
| Power output, GWh | 33 |
| Reservoir storage, mln m3 | 330/325 |
| Rated water discharge, m3/s | 23 |
| Discharge through waterways, m3/s | 600 |
| Rated head, m | 48 |
| TYPE OF REGULATION: | Inflow |
| Main Structures: | |
| Earth-fill dam with 85 m height; crest of 780 m length; water intake; reinforced concrete spillway; pressure tunnel; butterfly valves chamber; metal penstocks; underground powerhouse; high-voltage switchgear; trailrace tunnel | |
| SCOPE OF WORKS: | |
| Excavation, ths m3 | 1015 |
| Embankment, filling, outlining, drainages and filters, ths m3 | 6620 |
| Concrete and reinforced concrete, ths m3 | 150 |
| Installation of structural metal elements and mechanisms, ths t | 10 |
| YEAR OF START UP: | 1964 |
| DURATION OF THE CONSTRUCTION, month | 60 |
Layout of SIONI HPP Project:
1. earth dam;
2. reservoir;
3. power water intake;
4. water intake of tailrace tunnel;
5. irrigation water intake;
6. service shaft;
7. spillway;
8. free-flowing tunnel;
9. power tunnel;
10. power house;
11. tailrace canal.
EARTH-FILL DAM of SIONI HPP
| PARAMETERS: | |
| Height, m | 69 |
| Thickness: | |
| at the crest, m | 16 |
| at the contact with foundation, m | 497 |
| Crest length, m | 780 |
| Core: | |
| of clay loam; drainages and filters – of gravelled rock; lateral prisms – of boulder, graveled alluvial deposits and clay conglomerates laid on terraces of the Iori Riv. | |
| GEOLOGICAL CONDITIONS: | |
| Alluvium on the conglomerates | |
| SCOPE OF WORKS: | |
| Excavation, ths m3 | 837 |
| Earth, dumped rock, drainage and filters, ths m3 | 6092 |
| Concrete and reinforced concrete, ths m3 | 12 |
Dam of SIONI HPP
1. cut stone fortress of slop;
2. alluvium dike;
3. clay loam core;
4. embankment;
5. reverse filter;
6. alluvium drainage layer;
7. slop boarding.
Sioni HPP - Technical assistance component services of construction
| № | Buildings | Designation of construction and mounting works | S e r v i c e s | Work execution period, years | ||||
|---|---|---|---|---|---|---|---|---|
| Works organization projects | Works execution projects | Areas construction bases and temporary communications projects | Supervision for implementation of given projects | Consulting of technical and industrial issues | ||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 1 | Earth-Fill Dam | Working out of the foundation ditch | – | + | + | + | + | 1956÷1964 |
| 2 | Earth-Fill Dam | Arrangement a qualitative embankment of clay loam core and prisms | – | + | + | + | + | |
| 3 | Earth-Fill Dam | Protection of the slopes with great dimension stones | – | + | + | + | + | |
