Press Pier Anchor Bolt Cans
Statement of Problem: During the design process CCC was provided with a Rotem drawing with several sheets detailing the press foundation requirements. An enlarged elevation called for a "can" cast into the pier to allow for bolting the press anchor rod (hand hole). The drawing showed the can height at 300mm. Howe…
GM Pontiac Press Pier Anchor Bolt Cans
STATEMENT OF PROBLEM During the design process CCC was provided with a Rotem drawing with several sheets detailing the press foundation requirements. An enlarged elevation called for a "can" cast into the pier to allow for bolting the press anchor rod (hand hole). The drawing showed the can height at 300mm. Howev…
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 …
GM Pontiac Northeast Corner Grade Beam Issue
STATEMENT OF PROBLEM During design of the site, civil designed for an exterior grading elevation which was higher than the top of the grade beam elevation at the NE corner of the building. At this location there is a narrow gap between the building grade beam and the ring road (about 3''''). Originally a curb was no…
GM Pontiac Oily Wastewater Tank Design
STATEMENT OF PROBLEM For this project a new, welded steel oily wastewater tank was provided in the scrap tunnel in lieu of relocating an existing tank, at no cost to GM. The new tank shop drawings did not include for a manway. The shop drawings were submitted, reviewed, and approved by the EOR. The tank was fabri…
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…
GM LGR CMM Pit Infill Incorrect Shake Hardener Color
STATEMENT OF PROBLEM Concrete pour was cancelled after 20 yards arrived on site. Shake hardener color was incorrect. Color was not specified by the PM when ordering. Superintendent did not verify color of pour until morning of pour. The pre-pour checklist was incomplete. COURSE OF ACTION Pour reschedule…
Cooling Tower Pump Room - Water Treatment Chemicals
Statement of Problem: The pump room design had insufficient containment for the two chemicals treating the cooling tower water. This led to a situation where if an accident were to happen and both drums were ruptured, the two incompatible chemicals could potentially mix and produce an adverse gaseous affect (chlo…
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 Blank Receiving Roof Support Steel for HVU-1
STATEMENT OF PROBLEM During design of the building steel, 4 joists in the blank receiving bay were upsized to accommodate the weight of the blank receiving air handling unit (HVU-1; 17000#) in bay 22/23, based on JEG''''s input. Later in the design phase (50% MEP design), the mechanical engineer rotated and moved th…
