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Showing articles from AA3X tag

Fairfax Incorrect Guardrail Installation

STATEMENT OF PROBLEM Deviation from the designed guardrail. Missing connection pieces, incorrect member sizes, incorrect height, not submitted in shop drawings. Created potentially unsafe condition; additional time to correct; non-conformance to customer''''''''s requirements. COURSE OF ACTION Repaired …

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…

Level of Detail in Drawings and RFPS

STATEMENT OF PROBLEM The level on the drawings was good, but could have been a bit heavy. No major impact from the level of details on the bridging documents. COURSE OF ACTION None LESSON LEARNED Because of the level of detail known about the press and supporting details, it allowed for more c…

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…

Middle Bay Laydown Area

STATEMENT OF PROBLEM Physical lay down space was less than desired. This is pretty common with press relocation work where the bay of work is the only space available for construction. Physical lay down space was less than desired. This is pretty common with press relocation work where the bay of work is the only…

EOL Elec Platform Beam Supports

STATEMENT OF PROBLEM Additional floor support is required to support the elec. platform. schedule delay as elec platform cannot be installed until floor is poured. COURSE OF ACTION Poured floor before installing platform (schedule delay). LESSON LEARNED Capture Pontiac AA0 solution and incorporate into drawi…

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…

Scrap Conveyor System Information Issue

STATEMENT OF PROBLEM Sometimes we lack detailed information for scrap conveyor system (i.e. routing, sizes, clearances, etc.). Multiple iterations of engineering. COURSE OF ACTION None LESSON LEARNED Great upfront support. AE was provided with a scrap conveyor route and 3D model in the beginni…

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…

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.

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