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Showing articles from AA3X tag

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…

Failure to Perform Crane Inspection

STATEMENT OF PROBLEM Crane inspection was not performed prior to turnover. Without an inspection it is difficult to determine if wear or maintenance issues on the crane were from construction or from previous plant use. COURSE OF ACTION None LESSON LEARNED An inspection should be done by the facility contrac…

Fairfax Substation Modification Time Frame Issues

STATEMENT OF PROBLEM The modification of the existing Sub 4A switchgear to accommodate a new 2000A feed was separated out of the main contract in an effort to reuse available assets and perform work during the 2011 X-mas shutdown. The original timeframe could not be allowed by the plant. Solaris documentation and…

Setting Tolerance Values Issue

STATEMENT OF PROBLEM Too tight/unrealistic to begin with; Should work with Press group as early as possible to meet agrreement; Contractor disagreed with tolerances although they were part of the contractor documents, no bid clarification question. Potential concern for fabrication and setting tolerances; meeting…

2D Vs. 3D Deliverable

STATEMENT OF PROBLEM Should the design been issued as a 3D deliverable, or was the 2D deliverable with 3D coordination model adequate? Disconnect between what was coordinated in the 3D model, the actual 2D contract documents, and what was constructed. COURSE OF ACTION Require 3D design LESSON LEAR…

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…

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 …

Submittal/DCR Response Time

STATEMENT OF PROBLEM AE response time on submittals and DCRs not meeting expectation of contractor. Delays and schedule impacts; friction between parties. COURSE OF ACTION None LESSON LEARNED There were some issues during the early steel submitting, but after that the process went smoothly.

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…

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…

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