The RTU ordered was a down-discharge, but the curb was framed for side-discharge. How do I build a transition inside the curb?

If you cannot halt the crane lift, you must fabricate a heavy-duty, internal sheet metal blank-off panning floor plate to completely seal off the original open bottom vertical drop tracks inside the curb cavity. Cut out precise new horizontal exit penetrations through the side walls of the curb structure framework, and build a set of radius short-radius throat transition elbows that connect the bottom discharge openings of the unit out through the side wall penetrations. Ensure everything is t

['If you cannot halt the crane lift, you must fabricate a heavy-duty, internal sheet metal blank-off panning floor plate to completely seal off the original open bottom vertical drop tracks inside the curb cavity. Cut out precise new horizontal exit penetrations through the side walls of the curb structure framework, and build a set of radius short-radius throat transition elbows that connect the bottom discharge openings of the unit out through the side wall penetrations. Ensure everything is thoroughly sealed with heavy-duty weatherproof outdoor mastic and flashing tape.']

Stop if

• Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

Steps

• Stop and verify the approved detail, manufacturer instructions, foreman direction, and project specs before touching it.
• If you cannot halt the crane lift, you must fabricate a heavy-duty, internal sheet metal blank-off panning floor plate to completely seal off the original open bottom vertical drop...

More in Apprentice Workflow, Communication & Learning