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 Substation W Equipment Floor Loading Issue
STATEMENT OF PROBLEM CCC received the substation equipment shop drawings from GM late in the project, at end of July. In August CCC worked with GM on the rigging plan for hoisting the new substation equipment into the penthouse. IBI performed a structural analysis of the penthouse framing steel and the hoist beam…
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 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…
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 …
Clarification of Building Structural Steel Design Type
Statement of Problem: At bid time GM provided LGR structural reference drawings for their press bay addition. These drawings employed a single-column design concept with a cantilevered bracket to support the crane girders. However, nothing in the RFPS stated that Pontiac had to use a single-column design or copy …
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…
CCC being held to CS1 specification on existing conveyor
Project Phase: Contract Delivery Method: General Contract-Sub Customer wanted to hold CCC to CS1 Specification on existing conveyor (15 years old)
Document Control Lacked by Prime
Project Phase: Procedural Management Delivery Method: General Contractor-Sub Document control lacked by Prime. Data storage, drawing log, punch list, etc....was not available.
AE Submittal Return Process & Submittal Review
STATEMENT OF PROBLEM Throughout the job there were critical submittals CCC needed prompt reply on in order to complete work per the schedule. Submittals that were delayed (in this case most notably structural steel submittals) caused schedule delays for CCC in ordering materials/completing the work. While many su…
