Experience
Experience built on road projects in many regions of Algeria
SARL ETAHG has completed road projects in many regions of Algeria and knows the terrain of those regions. Its fleet was assembled to build roads, and that experience now informs everything the company offers: aggregate production, equipment rental, project mobilization and water well drilling.
01Background
Built on road projects
Before offering its equipment to others, ETAHG used it mainly to build roads. Road works are demanding: long linear sites, large volumes of earth and aggregates, strict levels and tight schedules. They test machines, crews and organization every day, and they move from one landscape to another along the alignment.
This background shapes how we work today. We plan for production, because a paving train or a concrete plant cannot wait for material. We plan for the terrain, because ground, climate and access change the choice of machines and methods. And we plan for distance, because Algeria is the largest country in Africa and many sites are far from towns, workshops and suppliers.
02Terrain
What each terrain demands
Algeria’s four broad landscapes call for four different ways of building. The notes below summarize the know-how involved.
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Coastal Tell
Near the Mediterranean, soils are often clayey and winter rainfall is higher. Roads depend on good drainage, subgrade treatment and careful compaction, often next to existing traffic and dense settlements.
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Atlas mountains
The Tell Atlas and the Saharan Atlas bring cuts in rock, high embankments, retaining works and tight bends. Powerful dozers and excavators, experienced operators and attention to slope stability make the difference.
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High Plateaus
The steppe between the Tell Atlas and the Saharan Atlas offers long alignments and large volumes. Productivity, steady aggregate supply, wind, freeze–thaw in winter and soft ground near the salt flats shape the schedule.
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Sahara
In the desert, sand, heat and remoteness dominate. Sites must be self-sufficient in fuel, parts and water, drifting sand must be managed, and pavements must tolerate high temperatures.
03Summary
Terrain and its effect on the works
| Terrain | Main constraints | Road-building response | Drilling considerations |
|---|---|---|---|
| Coastal Tell | Clay soils, winter rain, traffic, dense land use | Drainage, subgrade treatment, phased works under traffic | Alluvial and limestone aquifers; salt water near the coast |
| Atlas mountains | Steep slopes, rock, landslide risk, bends | Rock excavation, cut and fill balance, retaining and slope works | Fissured rock; access for the rig is often the main constraint |
| High Plateaus | Cold winters, hot summers, wind, salt flats (chotts) | High-production earthworks and paving, steady aggregate supply, seasonal planning | Sedimentary basins of variable depth; saline water near the chotts |
| Sahara | Sand, heat, distance, scarce water | Sand management, heat-resistant asphalt, local materials such as calcareous tuff, self-sufficient sites | Complexe Terminal and deep Albian aquifers; warm water under pressure at depth |
04For partners
What this experience means for a partner
- 01
Realistic planning
Schedules and resources that account for the terrain, the season and the distances involved.
- 02
The right machines
Equipment chosen for the ground and the scope, not only for availability.
- 03
Material supply in mind
Aggregate needs identified early, with our own crushing plant as a source.
- 04
Self-sufficient sites
Fuel, water and parts planned for sites far from towns and workshops.
05Locations
Where we are based
Our bases in Djelfa and Ghardaïa sit on the main north–south axis, between the Mediterranean north and the Sahara.
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Registered office
Bounoura
Wilaya of Ghardaïa
Cité 400 Logements, Sidi Abbaz
Where SARL ETAHG is registered. Bounoura lies in the M’zab valley, in the wilaya of Ghardaïa, in the northern Algerian Sahara.
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Equipment depot
Djelfa
Wilaya of Djelfa
Base of the heavy equipment fleet, on the High Plateaus and on the RN1, the main north–south road between Algiers and the Sahara.
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Quarry and stone crushing plant
Oued Sdeur, Aïn El Ibel
Wilaya of Djelfa
Carrière Djellal El Gharbi
The company’s own quarry, where rock is extracted and crushed into fine aggregates, near Aïn El Ibel, south of Djelfa.
Tel.: +213 660 36 75 50 / +213 660 36 75 51Fax: +213 27 90 46 13
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Spare parts store and depot
Mohammadia, Algiers
Wilaya of Algiers
EURL KAYLE KENNY, the group’s spare parts company, with stock in Algiers.
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Working in a demanding location?
Tell us about the terrain and the scope, and we will tell you how we would approach it. Information on past road projects can be discussed with prospective partners.