1. OUVERTURE ENTRAÎNÉE PAR POINT DE DOULEUR

La gestion d'un site de carrière à Lagos présente des obstacles opérationnels distincts qui ont un impact direct sur vos résultats.. Êtes-vous confronté aux coûts élevés et aux retards logistiques liés à l’importation de composants structurels préfabriqués? Les délais du projet sont-ils prolongés en raison d'un approvisionnement incohérent ou de spécifications qui ne correspondent pas exactement aux exigences de votre site ?? Fabrication work often faces bottlenecks from limited local capacity, leading to equipment downtime and missed project milestones. En outre, managing multiple vendors for design, material sourcing, and assembly introduces complexity and quality control risks.

What if you could source critical fabricated structures—from crusher support frames and conveyor galleries to plant buildings and maintenance platforms—at a predictable factory price, tailored for the demanding Lagos environment? This approach addresses the core challenges of cost control, timeline reliability, and specification accuracy for quarry infrastructure.

2. APERÇU DU PRODUIT: Custom Fabricated Structures for Quarry & Mineral Processing Plants

This service provides directfromfactory engineering, fabrication, and supply of heavyduty steel structures specifically for quarry and aggregate processing operations in Lagos and SouthWest Nigeria. We deliver custombuilt solutions designed to support your machinery and operational flow.

Flux de travail opérationnel:
1. Consultation & Conception: Our engineers review your plant layout and load requirements to create detailed fabrication drawings.
2. Approvisionnement en matériel & Préparation: Certified steel (Grade S355 or equivalent) is sourced, cut, drilled, and shaped using CNC machinery.
3. Assemblée & Welding: Components are assembled by certified welders using procedures qualified for structural integrity.
4. Traitement de surface: All structures undergo abrasive blasting and application of highgrade industrial paint systems for corrosion protection.
5. Livraison & Installation Support: Finished fabrications are delivered to your Lagos quarry site, with optional provision of supervised installation teams.

Champ d'application: Primary crusher bases, vibrating screen supports, conveyor system frameworks, feed hoppers, passerelles, plates-formes d'accès, maintenance gantries, equipment shelters, and modular plant buildings.

Limites: Final onsite civil works (foundation pouring) remain the client's responsibility. Extremely specialized pressure vessels require separate certification.

3. CARACTÉRISTIQUES PRINCIPALES

DesigntoSite Specification | Base technique: Clientdriven CAD modeling & analyse par éléments finis (FEA) | Avantage opérationnel: Structures are engineered for your exact equipment loads and site footprint, eliminating adaptation delays | Impact sur le retour sur investissement: Réduit le temps d’installation d’environ 3040% versus adapting generic structures
LagosOptimized Corrosion Protection | Base technique: Multistage surface preparation (SA 2.5 blast cleaning) followed by epoxyprimer/polyurethane topcoat systems | Avantage opérationnel: Withstands coastal humidity and abrasive dust significantly longer than standard shop paint | Impact sur le retour sur investissement: Extends maintenance repaint cycles from 18 à 36+ mois, lowering lifetime upkeep costs
Modular Assembly Design | Base technique: Bolted connection designs with predrilled mating parts | Avantage opérationnel: Enables faster field assembly with less heavy lifting equipment required on your constrained site | Impact sur le retour sur investissement: Cuts onsite labor hours by approximately 25%, reducing overall project risk
InHouse Material Verification | Base technique: Mill test certificate validation and ultrasonic testing of critical welds | Avantage opérationnel: Guarantees material grade and weld integrity before delivery to your location | Impact sur le retour sur investissement: Prevents costly failures and unplanned downtime due to substandard fabrication
Integrated Service Points | Base technique: Prefitted lugs, cable trays, and pipe clamps as per your P&ID diagrams | Avantage opérationnel: Simplifies the installation of electrical, hydraulique, and water lines during plant commissioning | Impact sur le retour sur investissement: Accelerates the path from installation to full operational status

4. AVANTAGES CONCURRENTIELS

| Mesure de performances | Norme de l'industrie (Lagos) | Our Fabrication Solution | Avantage (% Amélioration) |
| : | : | : | : |
| Délai de mise en œuvre (Design to Delivery) | 1014 semaines (often longer) | 68 weeks guaranteed in contract | ~40 % plus rapide |
| Prévisibilité des coûts | Frequent change orders & import duty fluctuations | Fixed factory price contract in Naira or USD quoted upfront within ±5% variance budgeted at outset |
| Traçabilité des matériaux / QA Documentation| Often limited or unavailable upon request provided as standard for all primary structural members |
| AfterSales Technical Support| Typically vendorspecific per component included as part of the fabrication package |

5. SPÉCIFICATIONS TECHNIQUES

Capacité/cote: Conçu selon les spécifications du client; typical structural loading designed to ISO 14122 standards with a minimum safety factor of 4:1 on yield strength.
Exigences d'alimentation: Factory operations are selfpowered; final installed structures require no operating power.
Spécifications matérielles: Acier de construction primaire: S355JR or equivalent ASTM A572 Grade 50. Connection hardware: Grade 8.8 hightensile bolts or higher as specified.
Dimensions physiques: Fabricated in transportable modules; maximum standard module dimensions of 12m L x 3m W x 3m H for Lagos area road transport.
Plage de fonctionnement environnementale: Designs account for ambient temperature range of 20°C to 45°C and wind loads as per Nigerian building code for industrial structures.

6. SCÉNARIOS D'APPLICATION

Granite Aggregate Plant Expansion Challenge:
Défi: A major quarry near Ikorodu needed to install a new tertiary crushing circuit but faced prohibitive costs and lead times for imported support structures.
Solution: Full design and factory fabrication of a twolevel support platform for crushers and screens,
Résultats: Delivered within budget at a fixed price; installed in three days versus two weeks projected for piecemeal assembly; plant expansion commissioned six weeks ahead of schedule.

Conveyor System Overhaul Challenge:

Défi: An existing conveyor gallery was failing due to corrosion fatigue,
Solution: Replacement with a customfabricated,
Résultats: New structure installed during a planned weekend shutdown with zero additional downtime; improved alignment reduced belt wear,

7 CONSIDÉRATIONS COMMERCIALES

Our pricing model is based on tonnage of fabricated steel plus engineering design fees offering transparency:

Niveau I (Standard Structures): For repeat designs e.g., standard walkways,
Niveau II (Custom MediumScale): For bespoke crusher/screen supports,
Niveau III (Module d'usine complet): For complete modular plant buildings including cladding,

Fonctionnalités facultatives & Mises à niveau: Hotdip galvanizing (for extreme environments),
Forfaits de services: Inclure une garantie prolongée,
Options de financement: We work with accredited partners to offer equipment leasing

FAQ

1.Q:
UN: Oui,

2.Q:
UN: Field data from similar projects shows that our preassembled,

3.Q:
UN: Our fixedprice contract covers all design,

4.Q:
UN: Absolument.

5.Q:
UN: The typical process involves four stages:

6.Q:
UN: We provide comprehensive General Arrangement (

7.Q:
UN: We offer both options