On Site EOR Representation for Projects of Significant Scale/Cost
STATEMENT OF PROBLEM Having and onsite Engineering Representative may deem cost effective for projects of substantial size and duration. This Rep should be able to make PM decisions from and engineering standpoint and be fluid with model integration, review and document control changes. For project requiring 3D …
Roof Slope Tie In and Cricket Design Issue
STATEMENT OF PROBLEM All of the above factors did not export the best and most efficient design for the new 354 roof to tie into the existing 384 roof. Existing slopes and drains were not engineered with actual site conditions taken into account. This type of situation is not easily noticed on paper or in a DIM …
Eyewash Station System Cost Savings
STATEMENT OF PROBLEM Plant preference was piped eyewash station; RE&F position to use portable system. Is cost savings justifiable? Unhappy customer; safety/maintenance? COURSE OF ACTION Provided portable eyewash station LESSON LEARNED Continue to provide the portable eyewash stations to align…
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…
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 …
Fairfax Owners Alternatives Communication
STATEMENT OF PROBLEM Late addition of owner''''s alternates; Inadequate drawings and write-ups. Unclear to bidders; disparity in costs, or non representative cost. COURSE OF ACTION None LESSON LEARNED Need more clear definition in the drawings and scope write-up.
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…
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…
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…
