NYC 9/11 Public Portal Document
Part III — Health & Safety Plan
133-135 Greenwich Street/21-23 Thames Street
Airtek Project 05-0701— Rev 3, August 29, 2005
(MSHA)i. Half-face air-purifying respirators (APR) may be used during work preparation
activities.
Gloves - nitrile inner; chemical resistant outer (nitrile or neoprene)
ANSI-approved safety boots
ANSI—approved Eye protection — safety glasses or goggles
ANSI-approved Hard hat with bill facing forward
Tyvek coveralls with head cover (Two layers Tyvek or equivalent)
Water-resistant overboots which are treaded to provide slip protection
Hearing protection (as necessary)
2.5.3 Level B PPE
Level B PPE may be required during jack hammering concrete unless engineering controls are
instituted incorporating local exhaust ventilation at the point of dust generation until personal air
monitoring confirms that the level of silica is below the OSHA action level. Level B PPE
consists of
Self-Contained Breathing Apparatus (SCBA) or combination airline/SCBA approved by the
National Institute for Occupational Safety and Health (NIOSH)/Mine Safety and Health
Administration (MSHA).
Gloves - nitrile inner; chemical resistant outer (nitrile or neoprene)
ANSI-approved safety boots
ANSI—approved Eye protection — safety glasses or goggles
ANSI-approved Hard hat with bill facing forward
Tyvek coveralls with head cover (Two layers Tyvek or equivalent)
Water-resistant overboots which are treaded to provide slip protection
NOTE: If air sampling data proves that the level of asbestos and COPCs are consistently below the action level,
respiratory protection may be downgraded to an appropriate level of protection.
Hearing protection (as necessary)
2.5.4 Level A PPE
Use of this type of PPE is not anticipated at this site. Should work conditions and personnel
sampling exceed action levels for a PPE upgrade to Level A, operations shall cease in that area
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NYC-WTC 000134390
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