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Abrasive Blasting System: Daily Component Checklist

BLAST COMPONENTS
DAILY CHECKLIST
PRE-REQUIREMENTS
B1 Air Compressor
• Fully maintained and serviced
• Capable of 125psi discharge pressure
• Located upwind and away from the blasting area
• High volume output (typically 300+ cfm per nozzle) based on nozzle size requirements plus 50% wear allowance
(plus 30 cfm of quality breathing air per operator)
• High temperature safety cut out
• Oil and particulate filter separator
B2 Blast Air Supply Hose
• Large bore hose (4 times nozzle orifice minimum)
• Large connector fittings with whipchecks and/or
safety chains installed
B3 Air Moisture Control
• Regularly cleaned and maintained
• Compressed air moisture removal system with final moisture separator
• Large porting
B4 Blast Machine
• Remote Control Valve System checked/maintained
• Abrasive Metering Valve and fittings checked/maintained
• Lid and screen (portable hoppers) fitted
• AS Standard Approved Design
B5 Blast Abrasive
• Kept dry and protected
• Small palletized bags or bulk bags
• Safe, approved, productive, abrasive media
• Free of harmful substances (health or environmental)
B6 Blast Hose
• Kept as straight and as short as possible
(drawn curved to show perspective) –
checked daily for wear or soft spots
• Abrasive resistant hose sized 3–5 times the nozzle orifice
• Heavy wall hose for extension lengths,Superflex for nozzle end flexibility
B7 Blast Couplings/Connectors
• Checked daily for gasket and component wear,
and air leaks
• External connectors properly fitted
• Lockpins and whipchecks installed
B8 Remote Control Handle
• Check and maintain for safe operation
• Fast acting, under direct positive control of the operator
• Pneumatic or electric operation
• Optional abrasive cut off control
B9 Blast Nozzle
• Checked routinely for air pressure and liner/thread wear or damage
• Fast acting, under direct positive control of operator
• Sized to suit air and workpiece requirements
• Long venturi (and other designs) with durable wear liner
OPERATOR SAFETY COMPONENTS
DAILY CHECKLIST
PRE-REQUIREMENTS
S1 Breathing Air Source
• Checked and maintained on a regular basis
• Located in a clean air atmosphere, upwind and away from the blast area and engine exhaust fumes
• Approved air compressor or dedicated breathing air compressor or air pump or bottled breathing air or other approved supply
S2 Breathing Air Filter
• Cartridges require regular programmed replacement
• Cartridges require regular programmed replacement
S3 Carbon Monoxide Monitor or Converter Monitor
• Checked, tested and calibrated on a routine basis
• Samples air and safeguards against toxic, carbon monoxide gas
• Ensures carbon monoxide level is below 10ppm (11 milligram/m³) as per AS1715
S4 Breathing Air Line
• Fitted with threaded screw-type connector or AS 1715 approved ‘Safety Type’ coupling with two distinct actions required for disconnection
• AS Standard approved and marked
S5 Climate Control Tube
• Air temperature control within 15°C – 25°C range for operator comfort
• Complies with requirements of AS 1715
S6 Blast Helmet (Respirator)
• Inspected and maintained for wear and tear to the cape, collar, head gear and visor as per AS 1715 requirements
• Inner lens in place for impact protection
• Supplied with minimum 170 liters/minute breathing quality air as per AS 1715
• Air quality regularly tested and test records maintained as per AS 1715 requirements to check the following levels of contaminants:
Oil below 1 milligram/m³,
Carbon Monoxide below 10 ppm (11 milligrams/m³),
Carbon Dioxide below 800 ppm (1400 milligrams/m³),
Oxygen between 19.5 and 22.0%
• Issued on an exclusive use basis (or shared use only with an AS 1715 approved programme for extensive and stringent cleaning, disinfecting, and recording)
• Earplugs and/or earmuffs essential for hearing protection
• Optional communication equipment
• Optional blast light illumination kit
S7 Other Protective Clothing
• Leather gloves/gauntlets
• Blast suit/protective overalls
• Safety footwear
S8 Work Hazards
Check, control and eliminate wherever possible:
• Physical dangers – tripping, falling, crushing
• Toxic substances e.g. lead, arsenic, cyanide, heavy metals, chromates, free silica, etc. present either in the abrasive, the coating, the substrate or the environment

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DISCLAIMER: The above information is only a guide and does not represent nor claim to be either a full or complete or accurate nor an approved or standard method of checking blast cleaning equipment or components. It is the responsibility of the reader and/or users of this information to separately determine and verify each and/or any guideline, regulations, tests, checks, etc. for equipment and/or setup as directed or indicated or required in or by any work specifications and/or standards. BlastOne expressly disclaims any liability for the use or misuse of the above information.

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