Tender Asset Management

INFRASTRUCTURE & DEVELOPMEN

Basalt aggregates for roads and railways

ECONSA GRUP SA operates a basalt quarry in Zam, Hunedoara County, covering the full chain from exploration and extraction to the processing and sale of quarry stone. Its aggregates are used mainly in road and railway infrastructure projects.

The Zam quarry

Schematic map: the Zam quarry lies 0.3 km off the DN7 (E68) along the Almaș Valley, near the Deva–Arad railway in the Mureș corridor Mureș Deva–Arad railway DN7 (E68) ← Arad Deva → Zam 0.3 km · Almaș Valley Vârfu Fetii
  • DN7 (E68)
  • Deva–Arad railway
  • Mureș corridor
  • Access along the Almaș Valley
  • Zam quarry, Vârfu Fetii perimeter

Schematic, not to scale.

  • 0.3 kmfrom the DN7 (E68) to the extraction site, along the Almaș Valley towards Cerbia
  • 1.41 km²area of the Vârfu Fetii perimeter, according to the exploration project
  • ~150 maverage thickness of useful rock above the Almaș Valley erosion level
  • 60–70%of total reserves in rock classes A and B, according to laboratory tests

Core capabilities

From rock to product

Crushing and screening

Where the stone goes

Road foundations and base layers

Large crushed stone and screenings for foundation and base layers, for all road technical classes.

Macadam layers

Stone for penetrated and semi-penetrated macadam, in base and surface layers.

Bituminous works

Screenings for bituminous mixes, and stone for bituminous coatings and treatments.

Cement concrete

Crushed stone (25–40 mm) for high-strength cement concrete pavements.

Product range

Class A and B stone from the Zam quarry, processed into standard sorts for roads, motorways and the rehabilitation of railway structures.

  1. Crushed sand0–4 mm
  2. Chippings4–8 mm
  3. Chippings8–16 mm
  4. Chippings16–25 mm
  5. Crushed stone25–40 mm
  6. Crushed stone40–63 mm
  7. Railway track bed31.5–50 mm
  8. Railway track bed31.5–63 mm
  9. Primary mix0–31 mm
  10. Primary mix0–40 mm
  11. Primary mix0–63 mm

Also available

  • Screen rejects
  • Custom orders

Sieve sizes in mm. Scale compressed for readability.

Part of Tender Group

ECONSA GRUP SA is a Tender Group company. Tender Group, a private family group founded in Timișoara in 1991, names mineral resources and construction & infrastructure among the areas it plans to consolidate and expand.

Popular questions

Where exactly is the quarry?

In Zam, Hunedoara County, about 0.3 km off the DN7 (E68) along the Almaș Valley towards Cerbia. The site can also be reached by train on the Deva–Arad line.

What kind of stone is extracted?

A basalt complex of effusive rocks, including basalts and anamesites. The product range is made from class A and B stone.

Which sizes are available?

Crushed sand 0–4 mm; chippings 4–8, 8–16 and 16–25 mm; crushed stone 25–40 and 40–63 mm; railway track-bed stone 31.5–50 and 31.5–63 mm; primary mixes 0–31, 0–40 and 0–63 mm; and screen rejects.

Can I order non-standard material?

Custom orders are offered alongside the standard range. Contact us with your specification.

Is the quarry expanding?

ECONSA has started the permitting process for an extension of the Vârfu Fetii perimeter. At the end of exploitation, the land will be reforested.

Need aggregates for a road or rail project?

Contact Tender Asset Management and we will put you in touch with the ECONSA team.