Pointe-Noire, Republic of Congo +242 06 564 8767
contact@as-building.com
FR | EN
Join the Group
Home Projects

Our Projects & References

Every achievement demonstrates our execution capacity, rigour and commitment to our industrial partners.

+50Completed projects
7+Years with TotalEnergies
8Active mining permits
3Strategic poles
100%HSE compliance
Pole 02

Mining — Active Permits Portfolio

Gold · Diamond · Copper · Potash — 8 official permits, 4 commodities, assets at various stages of maturity

Mining Exploitation

Gold — Bissindji Permit

Kouilou, Republic of Congo

0.3 – 0.8 g/t Gold grade
Eluvial Deposit type
2022 → Permit granted

Exceptional grades in eluvial deposits. Primary deposit identified linked to quartz veins and porphyroblastic schists. Dedicated SPV: AS Gold Exploitation (SAS) — State 10% Art. 100.

Alluvial goldPrimary depositDedicated SPVArt. 100
AS Gold Exploitation (SAS) Ministerial Order
Mining Exploitation

Gold — Aboundji Permit

Kouilou, Republic of Congo

0.2 – 0.6 g/t Gold grade
20+ km Gold-bearing waterways
2022 → Permit granted

Gold potential extending over 20+ km of waterways. Angular gold particles suggest immediate proximity to a primary source. Conclusive production tests across several zones.

Alluvial goldPrimary source nearbyProduction tested
AS Gold Exploitation (SAS) Ministerial Order
Mining Exploitation

Gold — Mongo-Bissafi Permit

Kouilou, Republic of Congo

Profitable P2/P5 Identified zones
Semi-industrial Maturity stage
2022 → Permit granted

Field evaluation: shafts P2 and P5 showing highly profitable yields. Targets ready for semi-industrial extraction campaign. Field data validated by geological teams.

Primary goldEvaluated shaftsExtraction ready
AS Gold Exploitation (SAS) Ministerial Order
Mining Prospecting Dual commodity

Gold + Diamond — Moutsengeni Permit

Kouilou — Bibindou River

Gold confirmed Bibindou River
Diamond present Dual valorisation
1 permit Two commodities

Rare mineralogical association: gold and diamond simultaneously present on a single permit. Dual valorisation possible. Gold grades confirmed in the Bibindou River — unique investor opportunity.

Gold + DiamondDual valorisationInvestor opportunity
AS Gold / AS Diamond (SAS) Ministerial Order
Mining Prospecting

Diamond — Mokola Sud Permit

Recognised diamondiferous zone, Congo

9 diamonds Recovered in prospecting
0.1 – 2 cts Diamond size range
0.2 – 0.5 ct/m³ Estimated grade

Decisive mineralogical analyses: presence of zircon, tourmaline, garnet, ilmenite — tracers of a nearby kimberlitic source. 9 diamonds recovered during prospecting tests alone — exceptional indicator of underground wealth.

Kimberlitic sourceTracers confirmedWorld-class indicator
AS Diamond (SAS) Ministerial Order
Mining Exploitation

Copper — Kinkembo 1 Permit

Kouilou, Republic of Congo

Iron caps Surface anomalies
Malachite/Azurite Cu tracer minerals
Katanga-type Geological model

Numerous iron caps and malachite/azurite patches identified at surface. Strong geochemical copper anomalies. Sedimentary type comparable to the rich Katanga deposits (DRC).

Sedimentary copperKatanga-typeStrong geochemistry
AS Copper Exploitation (SAS) Ministerial Order
Mining Exploitation

Copper — Kinkembo 2 Permit

Kouilou, Republic of Congo

Extension Kinkembo 1 continuity
Geophysics Campaign planned
Sulphide mass Deep target

Direct extension of the Kinkembo 1 deposit. Site ready for deep geophysics campaign and drilling to delineate the underlying sulphide mass. Significant additional potential.

Sedimentary copperConfirmed extensionDrilling planned
AS Copper Exploitation (SAS) Ministerial Order
Mining Research JV / Fundraising

Potash — Ntsela Project (Carnallite)

Congolese coastal basin — Near Kola & Holle

2D Seismic Completed campaign
320 – 360 m Salt top depth
3 drill holes NTS1 · NTS2 · NTS3
JORC standard Certification target

Located in the prolific Congolese coastal basin, near the Kola and Holle deposits. 2D reflection seismic already completed — potassic salt top located between 320 and 360 m. 3-hole drilling programme modelled. Ideal for a Joint-Venture or fundraising with a global mining player.

Fundraising / JV — JORC reserve certification within reach. Basin among the richest in potash in Central Africa.
Potassic salts2D seismic doneJORCInternational JV
AS Potasse Presidential Decree
Pole 01

Petroleum — Major Operator References

TotalEnergies · Trident OGX · SONAREP — supply, logistics, offshore & onshore engineering

Petroleum Active contract

Equipment Supply — TotalEnergies Offshore

Offshore Congo — Pointe-Noire

7+ years Continuous partnership
3rd renewal Framework contract
Offshore + Base Delivery scope

Supply of petroleum and gas equipment for TotalEnergies Congo offshore operations. Procurement management, international sourcing, quality control and platform delivery. Framework contract renewed for the 3rd consecutive period.

Offshore supplyInternational sourcingProcurementFramework contract
TotalEnergies 2018 – present
Petroleum Completed

Equipment Supply — Trident OGX

Republic of Congo

24 months Mission duration
Urgent delivery Critical deadlines met
Tech specs 100% compliance

Continuous supply of equipment and industrial consumables for Trident OGX operations. Critical deadline management, strict technical specification compliance, zero non-conformance recorded.

Industrial equipmentUrgent deliverySpec compliance
Trident OGX 2021 – 2023
Petroleum Completed

Petroleum Products & Lubricants — SONAREP

SONAREP Refinery, Congo

Certified chain Supply
Traceability Fully guaranteed
Lubricants Industrial products

Supply of petroleum products and lubricants for SONAREP refinery operations. Certified supply chain, guaranteed traceability, full compliance with refinery standards.

Petroleum productsIndustrial lubricantsRefinery
SONAREP 2021 – 2024
Pole 03

Services — Personnel, Civil Works & Maintenance

Qualified staff placement · Industrial works · Maintenance on petroleum sites

Services Active contract

Staff Placement — Industrial Maintenance Dietsmann

Petroleum sites — Pointe-Noire

30+ profiles Technicians deployed
24 months Mission duration
Multi-discipline Engineers & technicians

Deployment of qualified technicians and engineers for industrial maintenance missions on petroleum sites. 30+ technical profiles mobilised, full admin and payroll management included. Ongoing partnership since 2022.

Qualified personnelIndustrial maintenanceLong-termPayroll mgmt
Dietsmann 2022 – present
Services Completed

Industrial camp construction — Turnkey civil works

Pointe-Noire, Congo

Turnkey Full scope
Civil + Elec + Plumb All trades combined
2 years Construction period

Construction and fitting-out of a complete industrial living camp for a petroleum operator. Civil engineering, structural steel, electrical, plumbing and interior fittings — delivered turnkey on schedule.

Civil engineeringStructural steelIndustrial BTPTurnkey
Confidential client 2020 – 2022
Services Completed

Industrial works & maintenance — Trident OGX

Trident OGX operational sites

Fast mobilisation Response time
HSE teams Operator certified
Multi-site Field presence

Industrial maintenance and structural works on Trident OGX operational sites. Rapid deployment of certified HSE teams, planned and emergency interventions, zero incident recorded.

Industrial maintenanceHSE certifiedRapid response
Trident OGX 2023 – 2025
Execution capacity

What sets us apart in the field

Responsiveness

Rapid mobilisation of human and material resources within 24-72h for operational emergencies.

Supplier network

Access to an international network of certified suppliers ensuring equipment availability and compliance.

Local knowledge

15 years of operations in the Republic of Congo. Full knowledge of local regulatory, customs and operational procedures.

International standards

Operations aligned with major oil company standards and international best industrial practices.