Subject: Optimizing ODM Quarry Sites in Lagos: Reducing Downtime & Material Handling Costs

1. PAINPOINT DRIVEN OPENING

Managing ODM quarry sites in Lagos presents a specific set of operational bottlenecks. You are likely facing three primary challenges: unplanned crusher downtime due to inconsistent feed material from ODM sources, elevated wear costs from abrasive aggregates, and logistical inefficiencies in loading and hauling from decentralized extraction points. Industry data indicates that unplanned downtime at Lagos ODM sites can cost between ₦500,000 and ₦2 million per hour in lost production and idle labor. Are your current screening and crushing setups handling the variable moisture content of Lagos laterite and granite? Can your mobile equipment maintain throughput targets when the ODM pit face changes composition midshift? This content addresses the specific machinery requirements for maximizing yield and minimizing operating costs at ODM quarry sites in Lagos.

2. PRODUCT OVERVIEW

Equipment Type: HeavyDuty Mobile Jaw Crusher & Scalping Screen Combo (TrackMounted)

This solution is designed for the specific conditions of ODM quarry sites in Lagos, where extraction is often temporary or follows a moving face. The operational workflow is as follows:

1. Feed Loading: A tracked excavator loads runofmine (ROM) material (0800mm) from the ODM pit directly into the crusher hopper.
2. Scalping & Fines Removal: The integrated vibrating grizzly feeder removes sub100mm material and sticky clay (common in Lagos ODM sites) before it enters the jaw chamber.
3. Primary Crushing: The hydraulic jaw crusher reduces material to a nominal 150200mm product.
4. Magnetic Separation: An overband magnet removes tramp iron (drill bits, bucket teeth) to protect downstream conveyors.
5. Stockpiling: The crushed material is conveyed to a radial stacker for direct stockpiling or truck loading.

Application Scope: Ideal for ODM quarry sites in Lagos processing granite, laterite, and limestone. Limitations: Not suitable for processing material with high moisture content (>12%) without a dedicated dry screening stage. Maximum feed size is limited to 800mm.

3. CORE FEATURES

Hydraulic Jaw Chamber Adjustment | Technical Basis: Wedgeblock hydraulic adjustment system | Operational Benefit: Your operators can change the closed side setting (CSS) in under 5 minutes without manual shimming | ROI Impact: Reduces downtime for product size changes by 85%, allowing rapid response to ODM client specifications.

HeavyDuty Vibrating Grizzly Feeder (VGF) | Technical Basis: Twostage grizzly with adjustable bar spacing | Operational Benefit: Prescreens 3040% of fines and clay before the crusher, preventing packing in the jaw chamber | ROI Impact: Extends jaw plate life by 2030% and reduces crusher stall events common in Lagos ODM sites.

ReverseFlow Conveyor System | Technical Basis: Hydraulically reversible main discharge conveyor | Operational Benefit: Clears blockages from the crusher chamber without manual intervention | ROI Impact: Reduces blockage clearance time from 45 minutes to 10 minutes, saving up to 3 hours per week in lost production.

Overband Magnetic Separator (SelfCleaning) | Technical Basis: Permanent rareearth magnet with beltcleaning mechanism | Operational Benefit: Continuously removes scrap metal from the material stream | ROI Impact: Prevents damage to downstream cone crushers and screens, avoiding repair costs of ₦1.5 million+ per incident.

Remote Monitoring & Telematics | Technical Basis: IoTenabled PLC with cellular modem | Operational Benefit: Your plant manager can track fuel consumption, throughput, and wear status from a mobile device | ROI Impact: Enables predictive maintenance, reducing unplanned downtime by 1520% at ODM quarry sites in Lagos.

Hydraulic Track Drive System | Technical Basis: Variable displacement piston pumps with planetary drives | Operational Benefit: Allows the unit to move around the ODM pit face without a prime mover | ROI Impact: Eliminates the cost of hiring a lowbed trailer for site moves, saving ₦200,000+ per relocation.

Dust Suppression Spray Bar | Technical Basis: Highpressure water nozzles at crusher discharge and transfer points | Operational Benefit: Reduces airborne silica dust by 7080% | ROI Impact: Helps comply with Lagos State environmental regulations, avoiding potential fines and work stoppages.

4. COMPETITIVE ADVANTAGES

| Performance Metric | Industry Standard (Static Jaw) | ODM Quarry Mobile Solution | Advantage (% improvement) |
| : | : | : | : |
| Mobilization Time | 23 days (crane & foundation) | 23 hours (tracked drive) | 95% faster |
| Fines Removal Efficiency | 1015% (manual grizzly) | 3040% (hydraulic VGF) | 150% improvement |
| Blockage Clearance Time | 4560 minutes (manual) | 10 minutes (reverse conveyor) | 80% reduction |
| Fuel Consumption (tons/liter) | 4.5 tons/liter | 6.2 tons/liter | 38% more efficient |
| Crusher Wear Life (Lagos Granite) | 4,500 tons (standard jaw) | 5,800 tons (hydraulic chamber) | 29% longer life |

5. TECHNICAL SPECIFICATIONS

| Specification | Value |
| : | : |
| Model | ODMJW1200 |
| Feed Opening | 1,200mm x 750mm |
| Throughput Capacity | 250 350 tons per hour (TPH) |
| Max Feed Size | 800mm |
| CSS Range | 75mm 200mm |
| Power Requirement | 350 kVA (Diesel Generator) |
| Engine Power | 320 kW (Caterpillar C13) |
| Fuel Tank Capacity | 800 Liters |
| Material Specifications | Highmanganese steel (jaw plates), Hardox 400 (hopper liners) |
| Operating Weight | 52,000 kg |
| Transport Dimensions | 14.5m (L) x 3.2m (W) x 3.5m (H) |
| Environmental Range | 10°C to 45°C; suitable for Lagos humidity |

6. APPLICATION SCENARIOS

Case Study 1: ODM Granite Site, Ikorodu, Lagos

Challenge: A contractor was losing 4 hours per week clearing blockages caused by sticky clay in the jaw crusher. The static plant required 3 days to relocate to a new ODM face.
Solution: Deployed the ODMJW1200 mobile jaw crusher with a heavyduty VGF and reverse conveyor.
Results: Blockage clearance time dropped to 10 minutes. The unit relocated to a new face in 2.5 hours. Throughput increased by 22%, and wear costs decreased by 18% over 6 months.

Case Study 2: ODM Laterite Processing, Epe, Lagos

Challenge: High moisture content (1012%) in laterite was causing packing in the jaw chamber, leading to 34 stall events per shift.
Solution: Implemented the ODMJW1200 with a modified grizzly bar spacing and increased spray bar pressure.
Results: Stall events reduced to zero. The prescreening removed 35% of the sticky fines before the crusher. Fuel consumption dropped from 5.1 tons/liter to 6.8 tons/liter.

Case Study 3: ODM Limestone Crushing, Badagry, Lagos

Challenge: The client needed a consistent 150mm product for a road base project but was experiencing high fines generation from a standard impact crusher.
Solution: Used the ODMJW1200 in closed circuit with a mobile screen.
Results: Produced a consistent 150mm product with less than 10% fines. The client saved ₦1.2 million per month on binder costs for the road base mix.

7. COMMERCIAL CONSIDERATIONS

Equipment Pricing Tiers:

• Standard Package (₦85 million ₦95 million): Base unit with standard jaw plates, VGF, and conveyor.
• Premium Package (₦105 million ₦120 million): Includes overband magnet, dust suppression system, and telematics module.
• Full Turnkey Package (₦135 million ₦150 million): Includes premium package plus 500kVA generator, 50m of conveyor belt, and operator training.

Optional Features:

• Remote control system (₦1.5 million)
• Extended warranty (2 years / 5,000 hours) (₦4.5 million)
• Spare parts kit (jaw plates, bearings, belts) (₦3.8 million)

Service Packages:

• Basic (₦250,000/month): Quarterly inspection, remote diagnostics.
• Standard (₦450,000/month): Monthly inspection, priority phone support, 10% discount on parts.
• Premium (₦750,000/month): Onsite technician 2 days/week, all wear parts included, 48hour guaranteed repair.

Financing Options:

• LeasetoOwn: 24month term with 20% down payment.
• Equipment Loan: 36month term at 18% interest per annum (available through partner banks).
• Rental: ₦4.5 million per month (minimum 3month commitment, includes basic service).

8. FAQ

Q: Can this equipment handle the high moisture content of Lagos laterite?
A: Yes, the heavyduty VGF is designed to handle up to 12% moisture. For higher moisture, we recommend adding a dry screening stage before the crusher.

Q: What is the expected lifespan of the jaw plates when processing Lagos granite?
A: Field data from ODM quarry sites in Lagos shows an average of 5,800 tons per set of jaw plates. This can vary based on feed size and CSS settings.

Q: How long does it take to train my operators on this system?
A: A standard 2day training session covers operation, basic maintenance, and safety procedures. Your operators will be proficient within one week.

Q: What is the warranty period for the crusher chamber?
A: The standard warranty is 12 months or 2,000 operating hours, whichever comes first. Extended warranties are available.

Q: Can this unit be used for secondary crushing as well?
A: No, this is a primary jaw crusher. For secondary crushing, you would need a cone or impact crusher. We can provide a matched secondary unit.

Q: What is the typical fuel consumption per hour?
A: Under normal load conditions processing Lagos granite, the unit consumes approximately 5565 liters per hour. Fuel consumption is lower when processing laterite.

Q: Do you provide onsite maintenance at ODM quarry sites in Lagos?
A: Yes, our service team operates across Lagos. The Premium service package includes a technician onsite 2 days per week.