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Showing articles from GM tag

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…

GM Pontiac Process Utility Holes Over Press Pit

STATEMENT OF PROBLEM Once the press pit steel design was complete, CCC provided the pit framing steel model / 2D drawings to GM to provide to Rotem for their use. Rotem placed approximately 45 openings through the rebar SOD, and provided the 2D process drawing to GM/CCC. This drawing underwent 10 revisions by Rot…

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 …

Mod Section Shipping Order

8555-02 GM Factory Zero STATEMENT OF PROBLEM The Mod 1 Trim Mod sections started shipping to the plant in numerical order from Station 101-117. we discovered when we started installing the mod sections that there was only  (2) hangers on the three mod sections bolted together. This caused us to have to use chai…

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.

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…

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 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 Column Coordination Log

STATEMENT OF PROBLEM Due to the amount of the utility drops at columns for this project being on the lighter side, a column coordination log was forgone and instead any and all column coordination was performed in regular 3D coordination meetings between CCC and its subcontractors. The primary reason for the colu…

GM Pontiac Stair Width Clearance Issue

STATEMENT OF PROBLEM The GM process team stated they wanted 36" wide clearance for all metal stairs in a design meeting. When IBI designed the stairs they made the tread 36" wide. However, the inner grab bars which project from the outer guardrail impede on that clearance (only 32" clearance). This was deemed a n…

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