REG NASA-LLIS-0748-1999 Lessons Learned Facilities Sprinkler Heads.pdf

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1、Lessons Learned Entry: 0748Lesson Info:a71 Lesson Number: 0748a71 Lesson Date: 1999-08-23a71 Submitting Organization: GRCa71 Submitted by: Joe MorrisSubject: Facilities, Sprinkler Heads Description of Driving Event: An excavation was done to facilitate the installation of a larger water line to serv

2、ice a buildings fire sprinkler system. Shortly after the excavation was filled a large sinkhole developed.During the installation of the sprinkler heads, it was noticed the heads installed were not the ones the in the requirements of the contract.Lesson(s) Learned: a71 There must be written specific

3、ations for compaction of excavation sites to reduce the risk of the ground settling below grade.a71 On site inspections of critical hardware must be preformed prior to installation and/or during the installation.Recommendation(s): a71 Review of the contracts to make sure all specifications are inclu

4、ded no matter what the size of the scope of work. And if specific hardware is critical, than a sample of the actual hardware to be installed shall be part of the submittal package and so stated in the RFB.Evidence of Recurrence Control Effectiveness: Provided by IHSNot for ResaleNo reproduction or n

5、etworking permitted without license from IHS-,-,-N/ADocuments Related to Lesson: N/AMission Directorate(s): N/AAdditional Key Phrase(s): a71 Emergency Preparednessa71 Environmenta71 Facilitiesa71 Fire Protectiona71 Occupational Healtha71 Procurement Small Business & Industrial RelationsAdditional Info: Approval Info: a71 Approval Date: 2000-04-14a71 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-,-,-