University of Washington

Facilities Services

Maintenance & Alterations

6.07.02

 

Work Practice for Window Removal and Window Putty Patching with ≤1% Asbestos Window Putty and Caulking

 

These work practices are to be followed whenever working on a window with ≤1% asbestos putty or caulking.

 

These procedures have been reviewed and approved by Environmental Health & Safety and the Facilities Services Asbestos Coordinator (competent person).

 

Requirements

For Workers

2 Hour Awareness Training

Respiratory Protection and Respirator Fit Test

Hands on training for ≤1% asbestos putty or caulking

Know who the competent person is and how to contact them

  Work Requirements

Approval of competent person

Wet, non-aggressive methods

Prompt clean up of material

Supervisor assures all workers have appropriate training.

Supervisor verifies current NEA is on record.

Supervisor provides contact number for competent person to workers.

 

Equipment

HEPA Vacuum (see HEPA Vac for ≤1% Asbestos Usage)

Spray bottle or garden sprayer of amended water

Sponge(s)

Plastic waste bag(s)

Plastic sheeting 6 mil

Paper towels/absorbent pads

Duct tape

Encapsulant

Eye protection

Tyvek suit or coveralls

 

Other tools required to complete task: hammer, chisel, scraper, razor knife

½ face respirator with high efficiency filters during NEA monitoring.

 

 

 

Work Practices

 

Attach 6 mil plastic catch apron on windowsill. Ensure plastic is placed to catch all material dislodged by work. HEPA vac all loose material. Spray area of material to be removed with amended water. Chisel material out, rewetting frequently. Place material that has been removed into waste bag. HEPA vac area where removal was done. Continue procedure throughout window. HEPA vac as necessary to remove dust and small pieces of debris in work area (on windowsill, plastic, etc.).

 

Broken glass with putty residue should be placed in appropriate container to be disposed of in regular garbage. Do not recycle.

 

When finished, wet paper towel and wipe area to assure all dust and debris is removed. Wrap all plastic sheeting up and place in plastic bag. Secure with duct tape. Wet wipe gloves and seal in ziplock bag. Dispose of waste in shop dumpster. Since the material contains ≤1% asbestos, it does not need to be disposed of as regulated waste or labeled. Re-putty with non-asbestos putty.

 

 

 

Supervisor Checklist

 

□ Current training, 2-hour

□ NEA (One year)

□ Knowledge of work procedure

□ Notify Asbestos Coordinator of date, etc., of project

□ Provide Asbestos Coordinator's contact number to workers

 

1. Asbestos Awareness Training Required (2 hours)	Until a NEA is established.
2. Certified Asbestos Supervisor not required
3. Personal Protective Equipment	§         Safety Glasses §         Foot Protection §         Gloves
4. Engineering Controls: One or more of the following must be used	§         Wet Methods §         HEPA Vacuum §         Drop Cloths (6 mil) §         Wet Sponges or Shaving Cream
5. Air Monitoring	§         Negative exposure assessment or objective data
6. Isolate work area from non-essential personnel and notify essential personnel of work
7. Shut down HVAC, if possible
8. Debris is regulated asbestos waste and may be disposed of as general construction waste in Physical Plant dumpster