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POST REMOVAL LOCKDOWN AND SPRAYBACK PROCEDURES

POST REMOVAL LOCKDOWN AND SPRAYBACK PROCEDURES. • Understand what is meant by lockdown/sprayback operations • Understand decision criteria used in lock-down/sprayback procedures • Become familiar with the various asbestos-free substitutes available

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POST REMOVAL LOCKDOWN AND SPRAYBACK PROCEDURES

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  1. POST REMOVAL LOCKDOWN AND SPRAYBACK PROCEDURES •Understand what is meant by lockdown/sprayback operations •Understand decision criteria used in lock-down/sprayback procedures •Become familiar with the various asbestos-free substitutes available • Understand factors which might influence the use of certain sprayback materials

  2. LOCKDOWN Application of a protective coating or sealant to “lockdown” or encapsulate any residual fibers that might be present after removal has taken place.

  3. SPRAYBACK The process of replacing asbestos-containing material that was originally present with an effective asbestos-free substitute.

  4. ASBESTOS USED FOR • Fireproofing • Thermal insulation • Acoustical insulation • Condensate control • Decoration

  5. SPRAYBACKS FOR THERMAL INSULATION • Mineral wool • Exfoliated Vermiculite • Treated Cellulose • Fibrous Glass

  6. SPRAYBACKS FOR ACOUSTICAL INSULATION • Spray-applied Cellulose • Mineral Wool • Fibrous Glass • Perlite

  7. SPRAYBACKS FOR CONDENSATE CONTROL • Foam Rubber • Cork • Fibrous Glass

  8. SPRAYBACKSFOR HOT PIPES • Fibrous Glass • Asphalt-impregnated Paper • Calcium Silicates • Mineral Wool

  9. SUMMARY • Ensure lockdown and sprayback are compatible • No new health hazard presented • Ensure sprayback has similar desired properties

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