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 …
Existing Building Steel Plumbness
STATEMENT OF PROBLEM: One of the main portions of work that we were tasked to complete was building a 120,000 square foot addition that directly tied into the existing plant. Unbeknownst to the project team at bid time, the existing building columns were out of plumb and leaning away from the addition. The first row …
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…
Tie-in to Existing Building/Patching
STATEMENT OF PROBLEM: There were several penetrations in various locations that required cutting/coring, weatherproofing, patching, etc. that our subcontractors had excluded in their original estimates. The cutting and patching involved with these tie-ins not specifically shown on the drawings, and was not covered in…
