REG NASA-LLIS-1195-2002 Lessons Learned Avoid Single String Project Staffing (1998).pdf
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1、Lessons Learned Entry: 1195Lesson Info:a71 Lesson Number: 1195a71 Lesson Date: 2002-03-14a71 Submitting Organization: JPLa71 Submitted by: David Lehman/David OberhettingerSubject: Avoid “Single String“ Project Staffing (1998) Abstract: Due to tight funding constraint, both the Mars Polar Lander and
2、Deep Space 1 projects were staffed by lean teams operating with ambitious schedules. For the unsuccessful MPL, many key technical areas were staffed by a single individual with little or no technical backup.Avoid staffing flight projects with individuals having no backups, and provide checks and bal
3、ances for technical decision-making. Where “single-string” individuals cant be avoided, document decisions, inform peers and management, and track as a risk item.Description of Driving Event: Due to tight funding constraints and a streamlined approach to project development by JPL and their industri
4、al partners, both the Mars Polar Lander (MPL) and Deep Space 1 (DS1) projects were staffed by lean management and technical teams operating with ambitious schedules.For the unsuccessful MPL, many key technical areas were staffed by a single individual with little or no technical backup. In addition,
5、 line management review and oversight was minimal compared to prior JPL projects.The DS1 mission was successful well beyond mission objectives. Much of this was due to the extraordinary efforts of the small project team throughout the mission life cycle. However, for many project development and mis
6、sion operations functions, unique and critical knowledge resided solely in a single individual. Two examples that stand out are: during development, the death of a key project staff member (who had no backup) caused delays in the delivery of crucial hardware, and 2) during operations, the team was s
7、o small that some members covered multiple ops functions. Any vacation, sick leave, or other absence constituted a serious threat to mission success, particularly in Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-the event of a critical developmenta
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