REG NASA-LLIS-0930-2001 Lessons Learned Hidden Hazards Associated With Raised Flooring.pdf

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1、Lessons Learned Entry: 0930Lesson Info:a71 Lesson Number: 0930a71 Lesson Date: 2001-03-13a71 Submitting Organization: JSCa71 Submitted by: John H. WintersSubject: Hidden Hazards Associated With Raised Flooring Description of Driving Event: An employee fell through a section of raised flooring that c

2、ollapsed, suffering knee and back injuries. The ensuing investigation revealed that the floor tile support cross members were not properly positioned on the floor support stanchions. The floor tile support cross member slipped off of the floor support stringer because the pedestals cap in use was th

3、e incorrect type.refer to D descriptionDProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Lesson(s) Learned: Raised flooring are susceptible to hidden hazards due to improper design / installation / maintenanceRecommendation(s): 1. When working under a

4、 raised floor or maintaining the raised floor itself; inspect the supporting floor pedestals, pedestal caps, stringers, tiles and cross members for proper assembly, positioning, and any signs of deterioration or damage.2. When reassembling the flooring, always position the components exactly as they

5、 were before removal.3. Immediately report any safety concerns about raised flooring, such as raised and uneven tiles, to the Facility Managers.Evidence of Recurrence Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): N/AAdditional Key Phrase(s): a71 Configuration Mana

6、gementa71 Facilitiesa71 Safety & Mission Assurancea71 Test FacilityAdditional Info: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Approval Info: a71 Approval Date: 2001-03-23a71 Approval Name: Eric Raynora71 Approval Organization: QSa71 Approval Phone Number: 202-358-4738Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-