GM Pontiac Tooling Cart Trenches Dimensional Error
STATEMENT OF PROBLEM During the revisions being made to the Rotem drawings, on revision 5 Rotem changed the width and depth for one of the two tooling cart rails for each tooling cart rail system located between the presses (4 sets of rails total). The trench for the rail became wider by several millimeters and deep…
Unknown As-Built Conditions
Statement of Problem: At bid time CCC received the 1950 Albert Kahn facility record drawings of the plant. This set had two foundation drawings, showing two different column foundation types for the plant. One drawing showed all footings, one drawing showed all caissons. It was unknown by GM which was the as-built c…
GM Pontiac Toilet Room Basin Sinks
STATEMENT OF PROBLEM Incorrectly sized basin-style sinks were installed in the mens and womens toilet rooms, which created a code violation where the egress minimum width of 36" was impeded in the mens toilet room entrance way. The architect sized and placed the basin-style sinks at mens and womens locker rooms but …
Estimating and VDL Knowledge
Project Phase: Estimating Delivery Method: General Contract-Sub Estimating made the assumption that VDLs were shipped in and never ran off. CCC doubled hours due to this. Manual provided for installation was not used per VDL Expert.
Scrap Steel Value
STATEMENT OF PROBLEM: CCC bid a project and provided an overall deduct from the base bid for the value of the scrap. The value of scrap was based on a quoted market value of approximately 450 USD per gross ton. As the project progressed, the market value of scrap steel dropped to approximately 200 USD a gross ton…
Inefficiencies and lost time due to lack of bolt bin
Project Phase: Project Delivery Method: General Contract-Sub No mobile bolt bin created field inefficiencies and lost time.
GM Arlington Assembly Non-Conforming Work Poor Concrete Finish
STATEMENT OF PROBLEM Poor finish on exterior concrete. Exterior concrete batch error. There was clumping or balling of synthetic fibers on the interior slab. Post project review shows poor grading and compaction of sub-grade and excessive fibers protruding from the slab. COURSE OF ACTION Offered GM an e…
Press Process Design Coordination with Facility Design
Statement of Problem: There were several issues to where the 2D press drawings provided by Rotem did not show enough detailed information for proper coordination. These included: 1) the press cable trays in pit 2) The platforms and ladders between the presses. 3) D/B team not having a useable press 3D model. …
GM Pontiac Incorporation of Scope From Bid-time Addendums and Q&A
STATEMENT OF PROBLEM Throughout the project there was a consistent issue where CCC/IBI failed to reference the bid-time addendum Q&A for final scope direction on design items which were not clear in the RFPS. The two major items which were not followed per the Q&A were: 1) OH door design in blank receiving fo…
GM Pontiac Fire Alarm Design Review
STATEMENT OF PROBLEM The electrical subcontractor contracted Siemens to perform the fire alarm design. The drawings were submtited and reviewed by IBI and were also reviewed and approved by the city/fire department. However it was identified after the fact that the fire alarm drawings did not include smoke detect…
