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Showing articles from Fairfax 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…

Coordination of work area with press installer

STATEMENT OF PROBLEM Shared construction space between facility contractor and press installation contractor. Safety concerns; schedule delay. COURSE OF ACTION None LESSON LEARNED Better understanding of what was coming in and when. CCC worked very well with IICC in coordinating the space.

What is required for Civil in 3D Model

STATEMENT OF PROBLEM Civil Design/Build is usually based on existing top surveys and existing Civil drawings.  These are never accurate as far as dimensions go (most cases). Although the routing is sometimes close the act of integrating a new Model design with archival u/g drawings to reduce clashes is arbitrary 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…

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 …

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…

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.

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…

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…

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…

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