1. PAINPOINT DRIVEN OPENING

Sourcing reliable, highquality quarry site fabricators in Lagos presents distinct operational and financial hurdles. Inconsistent fabrication quality leads to premature equipment failure, causing unplanned downtime that costs thousands of dollars per hour in lost production. Delays in component delivery or onsite assembly disrupt tight project timelines, while fabricators unfamiliar with heavyduty mining applications may produce structures that cannot withstand the abrasive Lagos environment, compromising safety and longevity. Are you managing escalating maintenance costs due to substandard workmanship? Are project delays straining relationships with your engineering contractors? The solution lies not just in finding a fabricator, but in partnering with a specialist engineering firm whose processes are built for the demands of Lagos quarry sites.

2. PRODUCT OVERVIEW

Our service provides dedicated heavy industrial fabrication and machining specifically engineered for the mining and aggregate sector in Lagos. We function as your direct, local manufacturing partner for structural components, plant modifications, and custom machinery parts.

Operational Workflow:
1. Consultation & Design Review: Our engineers collaborate with your plant managers to analyze requirements, often using 3D scanning of existing sites for precise fit.
2. Material Procurement & Certification: We source verified, gradespecific materials (e.g., AR400 steel, highstrength alloys) with full mill test certificates for traceability.
3. Precision Fabrication & Machining: Components are fabricated using CNC plasma cutting, submerged arc welding (SAW), and stressrelieving processes.
4. Quality Assurance & Fitup: Every piece undergoes dimensional inspection, nondestructive testing (NDT), and trial assembly where possible.
5. Logistics & Site Coordination: We manage timely delivery and provide certified welders for onsite installation and integration.

Application Scope: Custom chutes, hoppers, conveyor frames, crusher support structures, screen decks, plant walkways, guardrails, and replacement wear parts for processing plants.
Limitations: We do not supply OEM proprietary machinery but provide all ancillary fabrication, modification, and wear part solutions to support them.

3. CORE FEATURES

Certified Material Traceability | Technical Basis: Mill Test Certificate (MTC) documentation for all steel plate and structural shapes. | Operational Benefit: Guarantees material grade integrity (e.g., Hardox®, JFE Everhard) for expected wear life and structural load capacity. Eliminates risk of substandard material failure. | ROI Impact: Predictable wear part lifecycle reduces unexpected stoppages by an estimated 1520% and enables accurate maintenance budgeting.

MiningGrade Welding Procedures | Technical Basis: Welding Procedure Specifications (WPS) qualified for highimpact and abrasive service environments using SAW and FCAW processes. | Operational Benefit: Weldments withstand constant vibration and impact loading from crushers and screens, drastically reducing crack propagation and repair frequency. | ROI Impact: Field data shows a 40%+ improvement in weld joint longevity on conveyor feed chutes compared to generic fabrication standards.

CNC Plasma Profile Cutting | Technical Basis: Computernumericalcontrol plasma systems with bevel capability for complex component shapes from CAD files.| Operational Benefit: Ensures dimensional accuracy for direct bolton fitment during plant shutdowns or modifications, minimizing installation time and rework.| ROI Impact: Reduces onsite fitting labor by up to 30%, a critical factor during planned maintenance windows.

OnSite Measurement & Scanning | Technical Basis: Deployment of laser scanning and photogrammetry to capture precise asbuilt conditions of existing plant layouts.| Operational Benefit: Eliminates measurement errors for retrofit projects; customfabricated components fit correctly the first time.| ROI Impact: Prevents costly fabrication errors that can lead to weeks of delay, safeguarding project timelines.

InHouse Stress Relieving | Technical Basis: Controlled heat treatment in certified ovens to relieve internal stresses from welding.| Operational Benefit: Prevents postinstallation distortion or cracking in large fabricated assemblies, ensuring longterm structural stability.| ROI Impact: Increases the service life of major structural components like crusher bases by ensuring uniform load distribution.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Lagos) | Our Quarry Fabrication Solution | Advantage |
| : | : | : | : |
| Dimensional Accuracy Tolerance | ±5mm ±10mm (manual marking/cutting) | ±1mm ±2mm (CNC profiling from CAD) | 6080% Improvement |
| Weld Inspection Rate (NDT)| Visual inspection only on most projects| Mandatory dye penetrant (DPI) or ultrasonic testing (UT) on critical seams| Quality assurance is procedural, not anecdotal |
| Lead Time Consistency| Highly variable due to material sourcing delays| Forecastdriven raw material inventory for quarrygrade steels| 95%+ ontime completion rate over 24month tracking |
| Design Engineering Support| Fabricate from clientsupplied drawings only| Inhouse design review & optimization for manufacturability & wear reduction| Provides valueadded engineering at fabrication stage |

5. TECHNICAL SPECIFICATIONS

Capacity/Rating: Fabrication of single components up to 20 metric tons; handling of plate thickness from 6mm to 100mm.
Power Requirements: Facility operates on dedicated industrial power with backup generation; equipped for 3phase welding systems up to 1000 amps.
Material Specifications: Primary stock includes ASTM A36, A572 Grade 50; Abrasionresistant steels: AR400/500/600; Hardox® 400500; stainless grades (304/316) available.
Physical Dimensions (Shop Floor): Main bay clearance: 8m height x 25m span x 50m length.
Environmental Operating Range: Fabrications are designed for the specific climatic challenges of Lagos quarry sites—high humidity corrosion resistance via proper surface prep/paint systems included.

6. APPLICATION SCENARIOS

Granite Aggregate Plant Upgrade | Challenge: Frequent plugging and excessive wear in primary crusher discharge chute required weekly maintenance stops costing over $8k monthly in labor & lost throughput.| Solution: Redesign & fabrication of a new linerless chute using a steepsided geometry from Hardox® 500 plate with integrated wear indicators.| Results: Wear life extended from one week to over four months; elimination of plugging increased average throughput by an estimated $12k/monthly value.

Cement Plant Clinker Hammer Mill Maintenance | Challenge: Extended downtime during hammer mill rotor rebuilds due to poorquality replacement hammers failing prematurely or requiring extensive balancing.| Solution:Sourcing consistent MTCbacked alloy steel stock plus precision CNC profiling services specifically for hammer manufacture.| Results:Fabricated hammers matched OEM balance specifications within tighter tolerances,vibration reduced by ~25%,extending bearing life by ~30%.

Mobile Crushing Contractor Structural Repair Challenge:Cracked mainframe on a mobile trackmounted crusher threatened a major contract deadline;OEM replacement part had a16week lead time.Solution:Sourced equivalent certified material,machined critical interfaces,and performed WPSqualified repair welds with postweld heat treatment under engineer supervisionResults:The repaired frame was returned to service within10 days,costing60% less than a new OEM frame,and allowed the contract to be completed on schedule

7.COMMERCIAL CONSIDERATIONS

Pricing is projectspecific based on material volume/complexity/manhours.We operate transparently:

Pricing Tiers:
1.Basic Cutting/Fabrication:Tiered rates per kg/hour based on material grade& complexity
2.DesignBuild Projects:Lumpsum turnkey quotes including design,materials,fabrication& QA
3.LongTerm Service Agreement:Scheduled ratesfor planned plant modification&wear part programs

Optional Features:
Onsite NDT inspection reports
Hotdip galvanizing coordination
Full primer& paint systems(MIO epoxy etc.)
Installation supervision packages

Service Packages:
Annual inspection&fabrication audit
Emergency breakdown repair response(24/7)
Consumable parts kits(for recurring items)

Financing Options:
Equipment financing partners availablefor large capital fab projects(>₦50m)
Progress payment schedules alignedwith project milestones

8.FAQ

Q:What file formats do you requirefor manufacturing?
AWe work directly from industrystandard formats:DWG DXF STEP IGES PDFwith dimensions For retrofits we can generate drawingsfrom our laser scan data

QHow do you ensure your fabrications will fit our existing Europeanorigin equipment?
AOur technical team is experiencedin both metricand imperial standards We verify all interface dimensions(bolt hole patterns shaft sizes etc.) against physical samplesor precise scans before cutting any material

QWhat is your typical lead timefor a setof screen deck panels?
AFor standard AR400material lead times average46 weeksfrom drawing approval including procurement For stocked materials this can reduceto23 weeks Complexityand current shop load are factored into every quote

QDo you offer any warrantyon your fabrications?
AYes we providea12month warrantyagainst defectsin materialand workmanshipfor all nonwear items For abrasionresistant wear parts we providea performance warrantybasedon agreed minimum thickness lifefor your specific application

QCan you replicatea failed partif we have no drawings?
AYes reverse engineeringvia precision measurementor3D scanningis a core service We will then engineerand draftthe partfor your approval before manufacturing ensuring any design flawsinthe originalare corrected