REG NASA-LLIS-1043--2001 Lessons Learned Construction Site Safety Electrical Shock.pdf

1、Lessons Learned Entry: 1043Lesson Info:a71 Lesson Number: 1043a71 Lesson Date: 2001-07-26a71 Submitting Organization: DFRCa71 Submitted by: Chris ArtripSubject: Construction Site Safety, Electrical Shock Description of Driving Event: A contractor employee was working on an energized electrical sub-p

2、anel.(480v) While removing cover from above the busses the employee dropped the cover shorting out the busses. An arch and flash occurred slightly burning the employees hands. The main breaker tripped causing an uncontrolled shutdown of the equipment. The interior of the panel was damaged requiring

3、replacement of interior parts.Lesson(s) Learned: Do not allow work to be performed on energized electrical equipment.Recommendation(s): 1. Require Activity Hazard Analysis for all tasks.2. Require Utilities outage request/Permit before working on electrical facilities.3. Do not allow employees to wo

4、rk on energized equipment. Conduct daily construction-site safety meetings.4. Ensure proper training of employees. 5. Ensure employees use proper tools and require proper PPE as well as follow NASA safety processes in place for electrical work.Evidence of Recurrence Control Effectiveness: N/ADocumen

5、ts Related to Lesson: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AMission Directorate(s): N/AAdditional Key Phrase(s): a71 Facilities.Additional Info: Approval Info: a71 Approval Date: 2001-12-13a71 Approval Name: John Marcruma71 Approval Organization: DFRCa71 Approval Phone Number: 661-276-2825Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-