Our solution · EaaS Servitization

One integrated service, from subgrade survey to certified road layer.

We do not rent single machines. We deliver a result: roads, platforms and haul routes built to specification, with the complete train, laboratory, digital proof of work and specialist team on site. Governments, public works agencies and contractors pay for a service, not for machines.

The two trains

An Equipment Train and a Lab Train on every project.

An Equipment Train of six GPS-guided machines building a road, with the mobile Lab Train and a survey drone working alongsideMOBILE LABQA/QCLAB TRAINWATERBINDEREQUIPMENT TRAINWORK DIRECTION12345678
  • 1Smooth-drum roller
  • 2GPS-guided motor grader
  • 3Padfoot roller
  • 4Reclaimer-stabilizer
  • 5Water tanker
  • 6Binder spreader
  • 7Mobile laboratory & QA/QC van
  • 8Survey drone

Why it is called a train. Stabilizing a road in place is a race against the chemistry. The tanker and binder spreader (5, 6) meter water and binder ahead of the reclaimer (4), which cuts and mixes the layer in a single pass. The padfoot roller (3), the GPS-guided grader (2) and the smooth-drum roller (1) must then compact, shape and seal it before the cement sets or the bitumen emulsion breaks. Meanwhile the survey drone (8) and the mobile laboratory (7) verify volumes, moisture and density at the work face. If one unit falls behind, the whole train stops, so La Fédérale supplies the complete matched spread, never a train without its laboratory, platform and specialists.

What's in the service

One contract, one team, one result.

1 · Equipment Train

The right fleet for the job

A brand-new, matched fleet of 30 or more units for new roads (Greenfield) or for rebuilding failed roads (Brownfield). Reclaimers carry 3 to 4 interchangeable milling rotors for rock, heavy clay or sandy soils.

2 · Lab Train

Two-stage geotechnical governance

A mobile and containerized laboratory. An engineering partner surveys the corridor before the tender for the road authority; a second, independent laboratory designs the mix and tests every layer during construction.

3 · Digital platform

Drone, GPS and the live dashboard

Survey drone, 3D machine control, solar-powered site cameras and telematics feed one dashboard shared by contractor, authority and financier, as time-stamped proof of work.

4 · Expertise

Specialists and training

A team of eight international specialists works side by side with local crews. The core team stays the full 18 months on each country's first project.

5 · Climate proof

Auditable resource data

Quarry haulage, diesel and energy savings are logged project by project, and the digital record supports resilient-design and green-finance applications.

Greenfield and Brownfield

Two train configurations, built for African soils.

In-Situ Stabilization (ISS), Full-Depth Reclamation (FDR) and Stabilized FDR (SFDR) are proven, climate-resilient methods. They recycle what is already on site instead of digging it out and trucking in new material.

BEFORE: natural groundNative laterite / clay soil, weak when wetAFTER: a durable all-weather roadGravel wearing course or surface sealNative soil stabilized in place (ISS)Subgrade

Greenfield: new roads from local soil

On new routes, the Equipment Train mixes lime, cement or polymer stabilizers into the native soil where it lies and compacts it into a strong, all-weather base. High-quality gravel, polymer-stabilized and earth roads, built from local materials with far less imported aggregate.

BEFORE: a failed asphalt roadCracked, potholed asphaltWorn, contaminated baseSubgradeAFTER: rebuilt in place, in one passNew surfaceOld road recycled + stabilized (SFDR)Subgrade

Brownfield: failed roads reborn

On damaged asphalt roads, the reclaimer pulverizes the old pavement and base, adds cement, emulsion or foamed bitumen, and lays a new structural base in a single pass. Up to 100% of the old road is reused on site.

SpecificationGreenfield Train (ISS)Brownfield Train (SFDR)
ApplicationNew highways, feeder networks and unpaved roads on weak native subgrades, such as expansive clays and plastic lateritesRehabilitation of cracked, potholed or worn pavements
Core machineReclaimer/stabilizer with 3 to 4 interchangeable rotorsCold recycler working up to 3.8 m wide in a single pass, with 3 to 4 rotors
Working depth250–500 mm200–400 mm
Typical output4,000–6,000 m² a day with 3D-guided graders; the recycler advances at about 8–15 m a minute
BindersLime, cement or polymer stabilizersCement, bitumen emulsion or foamed bitumen, following Sabita TG2
Matched fleetA complete spread of 30 or more units, scaled up with project size: reclaimer or recycler, 2 GPS-guided motor graders, pneumatic, padfoot and double-drum rollers, paver and feeder, dozers and excavators, binder spreaders, water trucks, 12 haul trucks and tankers, support vehicles
Material and haulageUp to 80% less quarry haulageRecycles up to 100% of the existing pavement in place; up to 90% less quarry haulage

Figures are typical values from our technical specifications and published sources, given for information.

The Lab Train

A complete geotechnical laboratory on wheels.

A distant city laboratory means samples travelling for days and errors found after the next layer is laid. The Lab Train goes wherever the work is and tests to international standards. When the project ends, it stays in the country to serve roads, buildings, mines and industry.

Roads & geotechnics

Soils and pavements

  • Test pits, dynamic cone penetrometer (DCP), coring
  • Atterberg limits (ASTM D4318), Modified Proctor (AASHTO T 180 / ASTM D1557), CBR (ASTM D1883)
  • Mix design and compressive strength (ASTM D1633) on a servo load frame
  • Field density behind the roller, with non-nuclear gauges (ASTM D7698) where radiation licences are pending
Structures & buildings

Foundations and concrete

  • Concrete quality by ultrasonic pulse velocity
  • Rebar location and cover scanning
  • Inclinometers for slopes and retaining walls
  • Soil bearing checks for foundations
Mining

Mine-site geochemistry

  • Sample preparation: jaw crusher, rotary splitter, ring mill
  • Rapid on-site analysis by handheld XRF
  • Haul road and pad design for heavy trucks
Mobile & connected

Wherever the work is

  • A 4x4 roving laboratory and a laboratory container
  • Pavement surveys by radar (GPR), deflection (FWD) and coring
  • Test reports sent straight to the live dashboard

The geotechnical firewall: two phases, two laboratories, no one checks their own work

Before the tenderDuring construction
WhoOur engineering partner, for the road authorityA second, independent laboratory
WhatSurvey recovery, test pits, DCP, Atterberg limits; FWD, GPR and coring on existing pavementsMix design, daily compaction and moisture tests, strength tests, density checks
FrequencyOne test pit every 500 m to 1 kmA density test every 200–500 m² per layer
DataBelongs to the authority and is open to all biddersReported live to engineer, authority and financier

Execution infrastructure

Digital proof, embedded specialists and a three-layer uptime network.

Digital platform

Proof an engineer can certify in days

  • Survey from weeks to days: drone LiDAR and photogrammetry show exactly where to take cores
  • No manual pegging: 3D machine control lets graders follow the digital model, reducing rework
  • Telematics: machine hours, fuel and binder use tracked by OEM sensors
  • Audit trail: daily drone volumes, time-stamped photographs, solar-powered site cameras and laboratory results for the supervising engineer
Specialist team

Eight specialists, 18 months, skills that stay

  • Project manager and lead application engineer
  • Lead geotechnical engineer and mobile laboratory technician
  • OEM-certified master mechanic and senior reclaimer operator
  • 3D grader operator and telematics specialist
  • They train local crews in the cab and in the laboratory, so national teams master the fleet
Maintenance network

Three layers to keep machines working

  • On site, from day one: wear parts, specialist mechanics and telematics alerts before failures, with a 72–84 hour air-freight target for critical parts
  • Country garage: maintenance, component rebuilds and zero-hour refurbishment under OEM supervision
  • Regional parts hubs: OEM consignment stock shared across countries and planned from telematics data

Optional field modules. Where the contractor's camp is not suitable, we provide a site-camp and site-equipment package (accommodation and office units, workshop, tools). Where a tender requires a polymer stabilizer, a partner manufacturer supplies it and it is built into the mix design.

Published engineering evidence

Established methods, documented results.

Full-Depth Reclamation and in-situ stabilization are codified methods, covered by Sabita Technical Guideline TG2 and by World Road Association (PIARC) guidance. The figures below come from published sources.

MetricDocumented finding vs. dig-and-replaceSource
Construction costNormally 25–50% lowerPortland Cement Association (PCA), FDR guide
Truck haulage12 truckloads against 180 per mile of two-lane road (up to 90% less quarry haulage)PCA, FDR guide
DieselAbout 2,700 gallons against 4,500 per mile, some 40% lessPCA, FDR guide
Total energy30–40% lower total energy; transport-phase energy and emissions about 4% of conventional reconstructionZhang et al., Scientific Reports, 2025
Design for tropical soilsCodified structural design for bitumen-stabilized and cement-treated materialsSabita TG2; PIARC

How a project works

  1. STEP 1

    Survey & specify

    Our engineering partner maps the road or corridor with the Lab Train and survey drone. The data belongs to the road authority, so its engineers can write performance-based specifications open to in-situ methods.

  2. STEP 2

    Partner & mobilize

    A qualified national contractor or public works unit and La Fédérale bid or work together through official procurement. After award, the train, laboratory, spares and specialists are mobilized, with no equipment debt for the local builder.

  3. STEP 3

    Build & verify

    The train builds layer by layer. An independent laboratory tests every layer, while drone volumes and test results stream live to the engineer and the financier for rapid certification.

  4. STEP 4

    Refurbish & anchor

    At completion the fleet gets an OEM-supervised zero-hour refurbishment and stays in the country through domestically anchored operating partnerships, with its garage, laboratory and trained crews ready for the next project.

Beyond roads

The same service for mining and industry.

Haul roads, ROM pads, logistics yards, dry ports and airstrips use the same trains, laboratory and digital proof of work. See how mining and industrial operators work with us.

Mining and industrial operators →

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Governments, public works agencies, contractors, entrepreneurs, manufacturers and financiers: let's build together.

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