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…
Roll Up Door Requirements
STATEMENT OF PROBLEM No direct discussion with material handling group led to incorrect door equipment being spec''''''''d. Increased cost due to field order; unhappy customer. COURSE OF ACTION Field order (cost and schedule impact) LESSON LEARNED Better communication with the right parties at…
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…
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…
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…
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 …
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…
Fairfax Subcontractor 3D Model Training
STATEMENT OF PROBLEM Many Subcontractors are not familiar with 3D Model design and/or design build. The limited pool of contractors who can bid GM work due to NMA and Safety Guidelines is very limited. Problem is learning curve to train subcontractors to build per model without the proverbial "shoving the require…
Surveying of Existing Buildings for Addition Projects
STATEMENT OF PROBLEM Many instances the as-built buildings the a new building addition ties into are not square, plumb, or columns may not be accurately spaced. Some instances roof line is also uneven. CCC did not perform all facets of conducting a "Thorough" Existing Building Survey. We spaced our columns on a g…
Tie Rod Pockets
STATEMENT OF PROBLEM Tie rod pockets are not included in basement floor layout. Tie rods extend above columns when setting crown. All 10 tie rods have to be guided by hand into the crown. SAFETY -personel must now be working above ground & under crown when it is being lowered. DAMAGE increased risk to tie rod thr…
