VARTSIKHE HPP
BASIC DATA FOR HPP CONSTRUCTION PROJECT (PROVISIONS FOR TECHNICAL ASSISTANCE SERVICES)
VARTSIKHE HPP I, II, III, IV: |
On the RIONI RIV. |
| CUSTOMER: | Sakmtavarenergo |
| GEN. DESIGNER: | Hydroproject (Tbilisi) |
| GEN. CONTRACTOR: | Sakhydroenergomsheni |
| TECHNICAL ASSISTANCE / SERVICES of GEN. CONTRACTOR: |
Orgenergomsheni |
| PARAMETERS: | |
| Capacity, MW | 4x4 184 |
| Power output, GWh | 4x262.5 1050 |
| Reservoir storage, mln m3 | 2/14.6 |
| Rated water discharge, m3/s | 350 |
| Discharge through waterways, m3/s | 2950 |
| Rated head, m | 15 |
| TYPE OF REGULATION: | Seasonal |
| MAIN STRUCTURES: | |
| Head hydropower system incorporating low crest spillway dam designed for water discharge of 2950 m3/s earth dam and water intakes that ensures water flow of 350 m3/s, sedimentation and diversion channel, with a total length 2700 m. Power house of the HPP I, II, III, IV including abutments and piers, are similar and disposed on the channel. | |
| SCOPE OF WORKS: | |
| Excavation, ths m3 | 16577 |
| Embankment, filling, outlining, drainages and filters, ths m3 | 7047 |
| Concrete and reinforced concrete, ths m3 | 785 |
| Installation of structural metal elements and mechanisms, ths t | 25 |
| YEAR OF START UP: | 1976-1988 |
| DURATION OF THE CONSTRUCTION, month | 140 |
Head hydropower system structures of VARTSIKHE HPP
1. spillway dam;
2. sluice galleries;
3. sedimental basin
4. water intake;
5. earth-fill dam;
6. tailrace canal
TRAILRACE CANAL OF VARTSIKHE HPP-s
| PARAMETERS: | |
| Lenght, m | 27134 |
| Including: | |
| Lining sections, m | 6050 |
| Width at bottom, m | 25 |
| Width at top, m | 60/65 |
| Depth, m | 6 |
| Hillsides | 1:2/1:2.5 |
| Water discharge, m3/s | 350 |
| GEOLOGICAL CONDITIONS: | |
| Delluvial loams in places with rare jackdaw and gravel, alluvial pebbles in places with rare small boulders | |
| SCOPE OF WORKS: | |
| Excavation, ths m3 | 16600 |
| Filling, ths m3 | 6700 |
| Gravel-sand grouting, ths m3 | 259 |
| Filter material, ths m3 | 59 |
| Concrete and reinforced concrete, ths m3 | 79 |
Tailrace Canal Plan of VARTSIKHE HPP-s
1. HPP-I;
2. HPP-II;
3. HPP-III;
4. HPP-IV;
5. head structures;
6. reservoir
Section on the axis of the HPP-I, II, III, IV power units
Section on the spillway of the HPP-I, II, III, IV
Vartsikhe HPP cascade – Technical assistance component services of construction HPP – I , II, III, IV
| № | 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 | Concrete spillway Dam of headwork on the Rioni rv. | Construction of the concrete dam, spillway shaft and flutbet | + | + | + | + | + | 1976÷1988 |
| 2 | Combine with spillway Dam- rock filled Dam | Filling of the dam | + | + | + | + | + | |
| 3 | Water intake and Sedimental basin of the diversion channel | Construction works | + | + | + | + | + | |
| 4 | Diversion tailrace channel | Working of the channel soils with arrangement a qualitative embankment proper sections | + | + | + | + | + | |
| 5 | HPP-I, II, III, IV disposed on the tailrace channel | Construction of the abutments and piers | + | + | + | + | + | |
