Mobile Crushing Plant Setup Guide: Site Layout, Power, and Safety

Planning Your Crushing Plant Layout

A well-designed plant layout maximizes production, minimizes material handling, and keeps your operation safe and compliant. Poor layout creates bottlenecks, excessive loader work, and safety hazards.

Basic Plant Configurations

Configuration 1: Jaw + Screener (2-machine spread)

The simplest setup. A jaw crusher feeds directly onto a screener via the crusher's discharge conveyor.

Footprint: 100' x 150' minimum
Production: 150 – 350 TPH
Products: 2-3 (oversize return, 1-2 finished products)
Feed method: Excavator or loader feeding the crusher hopper

Configuration 2: Jaw + Cone + Screener (3-machine spread)

Primary jaw feeds a secondary cone through a screener. The screener classifies product and returns oversize to the cone.

Footprint: 150' x 200' minimum
Production: 200 – 500 TPH
Products: 3-4 finished sizes
Conveyor requirements: Transfer conveyor between jaw and screener, return conveyor from screener to cone

Configuration 3: Full Spread (5+ machines)

Primary jaw, secondary cone, screening plant, stacking conveyors, and support equipment. Designed for continuous quarry or large contract operations.

Footprint: 200' x 300'+ minimum
Production: 300 – 800+ TPH
Products: 4-6 finished sizes plus fines

Site Layout Best Practices

Grade the site 2-3% for drainage — Standing water causes ground failure under heavy equipment and creates NPDES permit issues
Maintain 50+ feet between stockpiles and equipment — Provides loader maneuvering room and emergency access
Position the crusher upwind of the screener — Dust from the crusher blows away from the screening operation, not into it
Keep feed stockpile within one loader pass — Every extra 50 feet of loader travel costs $5-$10/hour in fuel and cycle time
Plan haul routes before setup — Trucks should enter and exit without crossing the active plant area
Level equipment pads carefully — Crushers and screeners must be level. A 2-degree lean causes uneven wear and reduced performance.

Power and Fuel Requirements

Equipment	Typical HP	Fuel Consumption	Daily Fuel Cost (est.)
Jaw Crusher	250 – 400 HP	15 – 25 gal/hr	$500 – $900
Cone Crusher	300 – 500 HP	18 – 30 gal/hr	$650 – $1,100
Screener	100 – 175 HP	6 – 12 gal/hr	$200 – $450
Conveyor/Stacker	50 – 100 HP	3 – 8 gal/hr	$100 – $300
Wheel Loader	200 – 300 HP	8 – 15 gal/hr	$300 – $550

Total daily fuel cost for a 3-machine spread: $1,500 – $2,500 at current diesel prices.

Dust Control

Dust control is a permit requirement and a health necessity. Options include:

Water spray bars — Mounted at crusher feed, transfer points, and discharge. Most common and cost-effective. Budget 500-2,000 gallons/hour.
Foam suppression — Uses 90% less water than spray bars. Better for water-scarce sites.
Enclosed conveyors and chutes — Controls dust at transfer points. Higher upfront cost but eliminates the need for water at those points.
Wind screens — Fabric barriers around stockpiles and equipment. Required at many permitted sites.

MSHA Safety Requirements

Mobile crushing operations fall under MSHA (Mine Safety and Health Administration) jurisdiction. Key requirements:

MSHA ID number — Required before operating. Register at MSHA.gov.
Part 46 training — All workers need initial safety training (24 hours) and annual refresher (8 hours)
Guarding — All moving parts (conveyors, drives, pulleys) must be guarded per MSHA standards
Lockout/tagout procedures — Written LOTO procedures required for all equipment
Berm requirements — Berms at least mid-axle height on all elevated roads and stockpile ramps
Fire suppression — Portable extinguishers required on all mobile equipment

Need help building your crushing plant? Browse our inventory of crushers, screeners, conveyors, and support equipment, or contact us for expert guidance.