NASA Assessments of Selected Large-Scale Projects

NASA: Assessments of Selected Large-Scale Projects
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Blog at WordPress. Post to Cancel. Delayed construction… on Project Failure — Channe…. Specifically, 10 of the 16 projects that held a preliminary design review moved forward without first maturing technologies.

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In addition, 13 of the 14 projects that held a critical design review did so without first achieving design stability. Some projects reported using other methods to assess design stability. Many of the projects GAO reviewed for this report also experienced challenges in the areas of launch vehicles, contractor management, parts, development partner performance, and funding.

For example, nine projects we reviewed reported challenges with launch vehicles, including their increasing cost and availability. New launch vehicles are in development, but have not yet been certified, and another vehicle has failed on its two most recent flights. The agency is continuing its implementation of initiatives to reduce acquisition management risk. One prominent effort is the Joint Cost and Schedule Confidence Level JCL , a new cost estimation tool that involves a probabilistic analysis of cost, schedule, and risk inputs to arrive at development cost and schedule estimates associated with various confidence levels.

NASA officials stated a few projects have excluded or not fully considered relevant cost inputs and risks, such as launch vehicle costs. GAO was unable to confirm that the five projects that prepared estimates using the JCL were budgeted at the approved confidence level. Read more Read less. Don't have a Kindle? Chance to win daily prizes. Get ready for Prime Day with the Amazon App. No purchase necessary.

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Report No. Your email address will not be published. For these 10 projects, development costs increased by an average of 13 percent from baseline cost estimates that were established just 2 or 3 years ago and they had an average launch delay of months. Learn more about Amazon Giveaway. Large cost growth is a concern for Earth and space science missions, and it can be a concern for other missions as well. NASA has acted to adopt practices that would ensure programs proceed based on a sound business case and undertaken an array of initiatives aimed at improving program management, cost estimating, and contractor oversight.

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