LAND RECLAMATIONS, RIVER REGULATIONS, IRRIGATIONS (CANALS)

 

POSITION

PROJECT NAME AND LOCATION

EMPLOYER

PROJECT VALUE IN THOUSANDS OF USD

CONSTR. PERIOD


DESCRIPTION OF WORKS

1)

 

Zavrelje Hydro Power Plant, Dubrovnik, Croatia

Udružena elektroprivreda Hrvatske, Zagreb

 

1949-1952

HPP Zavrelje near Dubrovnik, rated power 3.6 MW, reinforced concrete channel, engine room and dam.

2)

 

Gojak Hydro Power Plant, Ogulin, Croatia

Udružena elektroprivreda Hrvatske, Zagreb

 

1954-1959

HPP Gojak near Ogulin, rated power 48 MW; earth and concrete dam, head race length 9.4 km and 4.5 m of clearance, relief well, engine room.

3)

Sklope Hydro Power Plant, Lika, Croatia

Združeno poduzeće elektroprivrednih organizacija, Rijeka

 

1968-1970

HPP Sklope of 25 MVA rated power, the Kruščica reservoir, the Sklope earthfill dam 77 m high, head race, water intake.

4)

 

Orlovac Hydro Power Plant, Split, Croatia

Elektroprivreda Dalmacije, Split

 

1968-1973

HPP Orlovac of 249 MW rated power, the Lipa reservoir, head race 12 km long and 5.5 m of clearance, supply channels at Livanjsko polje.

5)

 

Kupa-Kupa Canal, Croatia

Direkcija za Savu, Zagreb and Karlovac

 

1970-1972

Earthwork, canal excavation, levelling, filling, embankment slope landscaping.

6)

 

Varaždin Hydro Power Plant (Central Drava 3), Croatia

Elektroprivreda, Zagreb

4281

1971-1974

HPP Varaždin of 86 MW rated power, reservoir, dam, diversion channels, engine room. Total excavation 6.2 mil.cu.m, fills 3.5 mil. cu.m, concrete 100,000 cu.m, asphalt 615,000 sq.m.

 

 

Letaj Irrigation and Dam, Istria, Croatia

Opće vodoprivredno poduzeće, Rijeka

 

1973-1974

A dam at the location of Letaj creating a reservoir of 85 ha area; designed for irrigation of agricultural areas. The dam is an arched dam with a pronounced fall on the downstream side, 35 m high and 90 m long.

8)

 

Mirna River Regulation Works

Opće vodoprivredno poduzeće, Rijeka

 

1971-1974

Relocation of the Mirna River channel along the roads of Istarske Toplice-Ponte Portone 7 km long. Excavation of a new River channel, construction of embankments, a new road, backfilling of the old River channel, stone slab pitching of the new River channel, improvement of an existing slide.

9)

 

Čakovec Hydro Power Plant (Central Drava 4)

Elektroprivreda, Zagreb

6336

1975-1981

HPP Čakovec of 77.6 MW rated power; reservoir, dam, diversion channels, engine room.
Total excavation 5.6 mil.cu.m, embankments 4.3 mil.cu.m, concrete 109,000 cu.m, asphalt 403,000 sq.m.

10)

 

Ormož Hydro Power Plant (Central Drava 2)

Dravske elektrane, Maribor

1240

1975-1978

HPP Ormož of 111 MW rated power; engine room excavation, headrace and discharge channels 4.5 km long, headrace slopes asphalting.

11)

 

Obrovac Hydro Power Plant, Obrovac, Croatia

Elektroprivreda Dalmacije, Split

1750

1978-1983

Reversible Hydro power plant Obrovac of 310 MVA rated power, supply installations, headrace 8.1 km long and 5.2 m of clearance, gate chamber, water chamber, penstock.

12)

 

Sidi Yacoub Dam, Algeria

Ministere de l' Hydraulique de l' Algerie

12400

1981-1985

Earth dam construction in the Ardjem River canyon. The irrigation complex consisting of a reservoir of the volume 280,000,000 cu.m. The Ardjem River diversion was solved by a tunnel 444 m long and 8 m of clearance and a bottom outlet of a 2.5 m clearance. The water intake with the bottom outlet intake structure and the control building are located at the dam slope. The spillway system is of a well type consisting of a vertical shaft, a tunnel of 10 m clearance, a chute and a ski jump. The dam height is 95 m.
The main work quantities :

 

 

 

 

 

 

. open excavation: 540,000 cu.m

 

 

 

 

 

 

. tunnel excavation: 94,000 cu.m

 

 

 

 

 

 

. placed into the dam body in total : 3,690,000 cu.m

 

 

 

 

 

 

. concrete : 76,000 cu.m

13)

 

Črnec Polje Regulation Works

Opće vodoprivredno poduzeće - OOUR Vodoprivreda, Sisak, Croatia

 

1983-1984

The irrigation system consisting of main canals 51 km of length, 3 pump stations and other associate structures. Earthworks for levelling and land parcel development.

 

 

 

 

 

 

Excavation : 1,150,000 cu.m

 

 

 

 

 

 

Fill :                  645,000 cu.m

 

 

 

 

 

 

Concrete :          22,000 cu.m

14)

 

The Mina Area Irrigation System Development, Algeria

Ministere de l' Hydraulique, Direction de l' - Hydraulique  de la Willaya de Relizane

5000

1984-1989

The irrigation system near the place of Relizane. Main intake structure, a rectangular canal 4.4 km in length; a tunnel 1.1 km long and 3.2 m of clearance.

 

 

 

 

 

 

Excavation :     550,000 cu.m

 

 

 

 

 

 

Embankment :  250,000 cu.m

 

 

 

 

 

 

Concrete :          39,000 cu.m

 

 

 

 

 

 

Reinforcement:    1,100 cu.m

15)

 

Chiffa & Harbil Hydraulic Projects, Medea, Algeria

Ministere de l' Hydraulique et de l' Environement et des Forets. Direction generale des infrastructures hydraulique, Willlaya Medea, Algerie

8540

1984-1989

Two water tunnels in total length of 17 km, cross section 7.5 sq.m, the diversion of Chiffa and Harbil rivers with supply and discharge facilities.

16)

 

Dubrava Hydro Power Plant (Central Drava5), Croatia

Electric Power Supply Zagreb

3049

1985-1988

The Dubrava Hydro power of 75 MW rated power.  A concrete gravity dam with four discharge fields. Dam length 112 m; in concrete portion 54,000 cu.m placed. A filled part 300 m in length. Dam height 23.5 m. The diversion channel (the headwater channel of 2 km, the spillway channel 4.8 km) is divided by the engine room. The plant is designed as a multipurpose structure (energy supply, flood control, water supply, recreation purposes and drainage of surplus flood water). The reservoir with the embankments near the dam makes a lake of 16.6 sq.km surface.
Embankments length 22.5 km.