Limit Prefabrication of Complex Components without Well Defined Field Conditions
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Type:  Project Management Lessons Learned

Publisher:  Consolidated Nuclear Security, Y12 National Security Complex, Oak Ridge, TN

Date: 

Topics:  Contracts and Procurement, Engineering, Construction/Project Management, Quality Assurance

The project was required to make field modifications to duct work that was designed and pre-fabricated. Unrealized configuration, interference, and space constraints were encountered and were further complicated by newly resulting requirements coming from Radcon, Industrial Hygiene, and radiological work permits. This impacted both the cost and schedule.

Lessons Learned: Design planning for work that may require/warrant future prefabrication of parts should include walk downs that are conclusive and use appropriate lift and lighting equipment for accurate results. Construction planning in such areas should be scheduled such that fabrication of materials for use in high risk areas allows for additional design verification.

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