GM Pontiac Establishing an Elevation of Top of Floor - Impact on Process
STATEMENT OF PROBLEM During design, elevations were taken along the existing A-line floor and along the MPS building. These elevations were used to average a finish floor level for the building addition. In original design, two die cart rails ran N-S from the die wash booth to A1-line. However after the construct…
Press Process Design Coordination with Facility Design
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 model. …
GM Pontiac Incorporation of Scope From Bid-time Addendums and Q&A
STATEMENT OF PROBLEM Throughout the project there was a consistent issue where CCC/IBI failed to reference the bid-time addendum Q&A for final scope direction on design items which were not clear in the RFPS. The two major items which were not followed per the Q&A were: 1) OH door design in blank receiving fo…
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 …
Inefficiencies and lost time due to lack of bolt bin
Project Phase: Project Delivery Method: General Contract-Sub No mobile bolt bin created field inefficiencies and lost time.
Datum Points Not Correctly Coordinated
8575 GM Ultium 2 Battery Plant STATEMENT OF PROBLEM 1. Bass Datums were not coordinated correctly/accurately. In turn, system integration was challenging. 2. Avaco did not have the skilled help they needed on site. 3. The schedule was built to construct all of Pancake Line-3, and then, all of Pancake NnD Input …
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…
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…
Field Checks not being completed
Project Phase: Installation Delivery Method: General Contract-Sub Customer and Prime field checks were not complete and / or not accurate.
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…
