Coordination of Mechanical Equipment & Site Structural Support Pads
STATEMENT OF PROBLEM: A coordination meeting between structural/civil/mechanical was held for the outdoor air rotation units which sit on concrete pads. In the meeting JEG gave the required dimensions of the pad and stated the ARU & pad should be centered within the building column bay. The pads were then designed b…
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…
GM Pontiac Overhead Doors System Design
STATEMENT OF PROBLEM The (3) blank receiving overhead doors for this project were desired to closely mimick the blank receiving doors at LGR stamping plant addition. However, it was unknown what all of the control features were or how they interfaced. It was only known that buried loops and traffic lights were re…
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 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…
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 Mechanical Equipment Control Wiring Design
STATEMENT OF PROBLEM There were significant delays in obtaining control wiring drawings from the mechanical subcontractor for the cooling tower, the ARUs, and the substation W HV units. This led to several delays with the electrical installation of the unit controls as the electrical subcontractor could not do an…
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 Press Pit Lighting Fixtures
STATEMENT OF PROBLEM The lighting fixture designed for the press pit and tunnel lighting went through IBI and GM approval and the photometric calcs were discussed several times. However prior to installation, the electrical subcontractor realized that the fixture was not listed in GM OneSpec. Triangle notified CC…
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…
