There are many factors to tabulate when selecting a new cleaning system. Production engineers need a cleaning process that is safe, sustainable, and affordable. This checklist can help plan your expenses.
One-Time Capital Costs
• Cost of Cleaning System
• Freight and Insurance
• Site Engineering and Architectural Planning Costs
• Construction
• Electrical Changes
• Water/Plumbing
• Ventilation
• System Set-Up
• Cost of Capital
Floorspace
• Actual Footprint or Size of Machine
• Work Space Multiplier
• Cost Per Square Foot
Throughput Calibration Factors
• Cycle Time
• Boards Per Cycle
• Max. Boards/Hr.
• Required Operating Hours/Day
• Stand-by Hours/Day (lower costs/hr)
Operating Costs
• Labor: Operator, Cost Per Hour
• Labor: Inspection & Recleaning, Cost Per Hour
• Labor: System Maintenance, Cost Per Hour
• Electricity
• Water
• Consumables (Filters, etc.)
• Solvent Losses (Drag-Out)
• Solvent Disposal
This cleanroom tip was taken from the 2014 article “Develop Your Cleaning Scorecard,” written by Mike Jones of MicroCare Corp, and appeared in the October 2014 issue of Controlled Environments.
