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Showing articles from GM tag

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…

Safety Audit - Separate Vendors

8570 GM Detroit Factory Zero Phase 3 STATEMENT OF PROBLEM When have multiple different projects at the same facility. With different  delivery methods. Consider using a separate vendors  and / or subcontractors to avoid confusion with invoices and scope of work. ROOT CAUSE N/A COURSE OF ACTION The CCC team …

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…

New Cooling Tower Mechanical/Structural Coordination

Statement of Problem: In the design coordination of the cooling tower cells and the steel support platform, there was a disconnect in the 3D model between JEG and IBI with the actual elevation of the cells. Additionally, JEG changed the piping configuration to the basins and this impact was not discussed with the…

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 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 Tooling Cart Trenches Dimensional Error

STATEMENT OF PROBLEM During the revisions being made to the Rotem drawings, on revision 5 Rotem changed the width and depth for one of the two tooling cart rails for each tooling cart rail system located between the presses (4 sets of rails total). The trench for the rail became wider by several millimeters and deep…

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…

GM Pontiac Guardrails and Bollards Design

: STATEMENT OF PROBLEM Guardrails and bollards design varies for each plant based on what the plant has for existing standard and what management wants to use. Because of this, there was confusion between the team members on the type of guarding that should be used/installed. For interior guardrails protecting …

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