Law Department notice on WTC document preservation, Oct 2001

NYC 9/11 Public Portal Document

Standard Operating Procedure Pages of 10 Lockout/ Tagout 1/00 Edition

5. A single lockout device will achieve a lock-out condition;

6. The lockout device is under the exclusive control of the authorized employee performing the servicing, maintenance or site operation;

7. The servicing, maintenance or site operation does not create additional hazards for other employees; and

8. Utilization of this procedure has resulted in no accidents involving the imexpected activation or re-energization of an electrical source during servicing, maintenance or site operations.

E. Activities which do not conform to these criteria must be conducted under equipment/machinery specific lockout/tagout procedures.

3.0. DEFINITIONS

AFFECTED EMPLOYEES - WRS employee and/or a subcontractor employee whose job includes activities such as operating machines or equipment on which servicing or maintenance is being performed under lockout or tagout action or whose job requires the employee to work in an area in which servicing or maintenance or site operations are being performed.

AUTHORIZED EMPLOYEE - An employee who locks or implements a tagout system procedure on electrical sources to perform the servicing or maintenance of the equipment, or site operations. An authorized employee and an affected employee may be the same person when the affected employee’s duties also include performing maintenance, service on machineiy/equipment or site operations which must be locked or a tagout system implemented. The authorized employee shall be properly trained and approved to apply and remove locks and tags.

BLANK - To introduce an obstruction or to replace an opening with a solid surface to prevent flow (e.g. pipebiank).

CAPABLE OF BEING LOCKED OUT - An energy isolating device will be considered to be capable of being locked out if it has a hasp or other attachment where a lock can be affixed, or has a locking mechanism built in.

DOUBLE ISOLATION - To isolate by closing two valves or inserting a blank within an area of two valves.

ENERGY ISOLATING DEVICE - A physical device which prevents the transmission or release of energy. Examples include, but are not limited to, restrain blocks, electrical circuit breakers, disconnect switches, slide gates, or line valves. Where possible, they shall provide visible indication of the position of the device. Push-buttons, selector switches, check valves, and other portions of the control circuit shall not be considered energy isolating devices.

ENERGY SOURCE - Any source of electrical, mechanical, hydraulic, pneumatic, chemical, thermal, or other energy.

LOCKOUT - The placement of a lockout device on an energy isolation device, in accordance with an established procedure.

LOCKOUT DEVICE - A device that utilizes a positive means such as a lock, either key or combination type, to hold an energy isolating device in the safe "off" position for the purpose of protecting personnel.

TAGOUT - The placement of a tagout device on an energy isolation device in accordance with an established procedure. (See Attachment B for a suggested lockout/tagout tag.)

WXS Infrastructure & Environment, Inc.

NYC-WTC_000145125