Engineering Structural Steel to Accommodate future rooftop loads
STATEMENT OF PROBLEM In design-build, the rooftop HVAC units and equipment are typically not final-sized at the time the structural steel framing is completed. Typically the engineer up-sizes the joists or trusses at the unit locations but sometimes they do not increase the size sufficiently to accommodate the fl…
Roof Maintenance Access
Project Phase: Construction Delivery Method: EPC (Engineer Procure Construct) Statement of Problem: During the design phase of the BP-06 architectural build out, the height of the mezzanine in relation of the roof steel and height of the low roof did not allow for the chain hoist/rail within the high ba…
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…
