KHRAMI HPP-II
BASIC DATA FOR HPP CONSTRUCTION PROJECT (PROVISIONS FOR TECHNICAL ASSISTANCE SERVICES)
KHRAMI HPP-II |
On the KHRAMI RIV. |
| CUSTOMER: | Sakmtavarenergo |
| GEN. DESIGNER: | Hydroproject (Tbilisi) |
| GEN. CONTRACTOR: | Sakhydroenergomsheni |
| TECHNICAL ASSISTANCE / SERVICES of GEN. CONTRACTOR: |
Orgemergomsheni |
| PARAMETERS: | |
| Capacity, MW | 110 |
| Power output, GWh | 350 |
| Reservoir storage, mln m3 | 0.24/0.27 |
| Rated water discharge, m3/s | 41 |
| Discharge through waterways, m3/s | 350 |
| Rated head, m | 317 |
| TYPE OF REGULATION: | Daily |
| SCOPE OF WORKS: | |
| Excavation, ths m3 | 703 |
| Embankment, filling, outlining, drainages and filters, ths m3 | 132 |
| Concrete and reinforced concrete, ths m3 | 191 |
| Installation of structural metal elements and mechanisms, ths t | 29 |
| YEAR OF START UP: | 1963 |
| DURATION OF THE CONSTRUCTION, month | 72 |
Layout of KHRAMI HPP-II Project: 1. headwork tunnel on Khrami rv.
2. pressure tunnel of Chochiani rv. diversion;
3. pressure diversion tunnel;
4. surge shaft;
5. free-flowing diversion tunnel of Karabulakh rv.
6. pressure conduit;
7. power house;
8. tailrace tunnel.
PRESSURE DIVERSION TUNNELS №1, №2 OF KHRAMI HPP-II
| PARAMETERS: | |
| Length of the tunnel N1, m | 2535 |
| Length of the tunnel N2, m | 10306 |
| Inside diameter, m | 4 |
| Maximal discharge capacity, m3/s | 41 |
| GEOLOGICAL CONDITIONS: | |
| Tuff sandstones and tuff braccia | |
| SCOPE OF WORKS: | |
| Underground excavation, ths m3 | 286 |
| Concrete and reinforced concrete lining, ths m3 | 114 |
UNDERGROUND POWER HOUSE OF KHRAMI HPP-II
| PARAMETERS: | |
| Width, m | 13 |
| Length, m | 38 |
| Height, m | 36 |
| Maximum depth of occurrence from earth surface, m | 140 |
| GEOLOGICAL CONDITIONS: | |
| Tuff braccia | |
| SCOPE OF WORKS: | |
| Underground excavation, ths m3 | 3200 |
| Concrete and reinforced concrete lining, ths m3 | 2500 |
Sectional view of undergraund power house of KHRAMI HPP-II
Khrami HPP II- 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 | Pressure tunnel No. 1 | Working (mining) of the rocks and lining | + | + | + | + | + | 1956÷1963 |
| 2 | Pressure tunnel No. 2 | Working (mining) Of the rocks and lining | + | + | + | + | + | |
| 3 | Underground Powerhouse | Working (mining) of the rocks and lining | + | + | + | + | + | |
