1、Lessons Learned Entry: 0344Lesson Info:a71 Lesson Number: 0344a71 Lesson Date: 1994-10-05a71 Submitting Organization: MSFCa71 Submitted by: Dena YellSubject: Solid Propellant in Contact with Porous Material, Fire Description of Driving Event: A fire occurred on November 27, 1982 at the Arnold Engine
2、ering Development Center as a result of cutting propellants on the floor of a vertical test cell. The propellant being cut was from M-X Stage II and was a Class 1.3,88 weight percent solids, HTPB, Non-HMX type. Combustion was attributed to either impact or friction.Lesson(s) Learned: Porous material
3、s, such as wood, when in contact with solid propellants may absorb/acquire the hazardous properties exhibited by the solid propellant.Recommendation(s): Avoid the use of combustible porous materials, such as wood, as tools for working on or in conjunction with solid propellants.Evidence of Recurrenc
4、e Control Effectiveness: N/ADocuments Related to Lesson: N/AMission Directorate(s): Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AAdditional Key Phrase(s): a71 Energetic Materials - Explosive/Propellant/Pyrotechnica71 Hazardous/Toxic Waste/Materialsa71 Industrial OperationsAdditional Info: Approval Info: a71 Approval Date: 1994-10-05a71 Approval Name: Mark Fishera71 Approval Organization: EP22a71 Approval Phone Number: 205-544-9503Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
