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Showing articles from design tag

GM Pontiac Cooling Tower System Design

STATEMENT OF PROBLEM Before the cooling tower system was turned over to the plant, an oily sheen was discovered in the basins by GM. CCC mitigated the issue with oil socks but it was brought up by the plant on why the filter was not running/filtering the oil. This was because the filter is not meant to filter oil…

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…

GM Pontiac Process (Press) Design Drawings coordination with Facility drawings

STATEMENT OF PROBLEM There were several issues to where the 2D press drawings provided by Rotem did not show enough detailed information for proper coordination. These included: 1) the press cable trays in pit  2) The platforms and ladders between the presses. 3) D/B team not having a useable press 3D…

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…

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…

2D Vs. 3D Deliverable

STATEMENT OF PROBLEM Should the design been issued as a 3D deliverable, or was the 2D deliverable with 3D coordination model adequate? Disconnect between what was coordinated in the 3D model, the actual 2D contract documents, and what was constructed. COURSE OF ACTION Require 3D design LESSON LEAR…

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