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Showing articles from AA3X tag

Sawcutting Quality Control

STATEMENT OF PROBLEM Multiple instances where existing framing to remain was cut due to incorrect depth set on saw; damaged the integrity, and reduced the capacity of the existing members. Schedule impact for repair; additional engineering; non-standard condition for owner. COURSE OF ACTION Repaired (schedule im…

Lack of Plant Personnel Involvement During Design

STATEMENT OF PROBLEM Not enough direct communication with the plant personnel during design decisions. Lack of understanding of substation work; incorrect door specified; confusion on partition walls and take shelter routes; eyewash station dispute; COURSE OF ACTION None LESSON LEARNED RE&F Co…

Incorrectly Cored Tie Rod Pockets

STATEMENT OF PROBLEM Two tie rod pockets were cored in the wrong location. One dimension provided by the Press Group was transposed incorrectly, which migrated into the contract documents. The holes were cored per the drawings. The discrepancy was not discovered until press install, which caused some schedule del…

As Built Conditions Expectation Issue

STATEMENT OF PROBLEM Need clear expectations of what items are existing. What is to remain, or be removed. Confusion to bidders; cost increase due to field orders. COURSE OF ACTION None LESSON LEARNED Work more closely with AE''''''''s to capture as-built conditions at project completion, and to verify condi…

Missing Infill Steel

STATEMENT OF PROBLEM Ambiguity created between drawings, owner''''s intent, and contractor''''s understanding. The Ghafari drawings create some confusion between a general note on the plan vs. the intent on the details. As a result, neither the facility contractor or the press contractor included the erection of …

Middle Bay Fire Protection in Infill Area

STATEMENT OF PROBLEM Some confusion over fire protection in the infill area. It was included in the South Bay, but not included in the Middle Bay. Scope delineation was not clear, and wasn''''t addressed until after award. Resulted in a field order. COURSE OF ACTION None LESSON LEARNED Needs t…

Demolition Noise Level Issue

STATEMENT OF PROBLEM The concrete was demolished using a jack-hammer, which caused some higher noise levels and led to one recordable. Also, there was a corporate safety audit that took place at the same time that identified the noise hazard. The Plant was notified of the noise and the employees were suppose to b…

Middle Bay Press Unload Area

STATEMENT OF PROBLEM Due to the Paint Shop construction, the previously available laydown space for press parts was eliminated. This was discovered after project award. Required additional design effort and a field order to provide additional pavement for laydown space. COURSE OF ACTION None LESSO…

Mechanical and Electrical Drawing Detail

STATEMENT OF PROBLEM Lacking detailed information for routing (i.e. elevations, dimensions, sections, etc.). Contractor claimed responsibility for system locations, which were already coordinated in 3D environment. COURSE OF ACTION None LESSON LEARNED Work with AE to develop a common understanding of expecta…

Broom Finish Bolster Area Oil Buildup

STATEMENT OF PROBLEM Broom finish allows oil buildup. Build up of oils create long term house keeping and safety issues. COURSE OF ACTION None LESSON LEARNED Use trowel finish as standard. Discuss with plants on a project by project basis.

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