1、Lessons Learned Entry: 0245Lesson Info:a71 Lesson Number: 0245a71 Lesson Date: 1993-01-21a71 Submitting Organization: LERCa71 Submitted by: S. PapellSubject: Cartridge Powered Tools Description of Driving Event: An electrical contractor employee was driving studs into a Haydite wall with a cartridge
2、 powered Ram-Set. The stud went through the wall and traveled approximately 25 feet across the room to hit an employee working on a scaffold about 4 feet off the floor. The stud hit him in the back of the left thigh penetrating approximately one inch into the leg.Lesson(s) Learned: Using cartridge p
3、owered Ram-Set tools to drive studs into walls can cause accidents if lacking knowledge of the structure of the walls.Recommendation(s): Require approval from qualified personnel whose knowledge of building structure can attest to the safety of using Ram-Set powered tools on building surfaces.Eviden
4、ce of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a71 Exploration Systemsa71 Sciencea71 Space Operationsa71 Aeronautics ResearchAdditional Key Phrase(s):
5、 a71 Facilitiesa71 Ground Operationsa71 Industrial OperationsAdditional Info: Approval Info: a71 Approval Date: 1993-09-27a71 Approval Name: Maria Havenhilla71 Approval Organization: LERC/EBASa71 Approval Phone Number: 216-977-1483Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-