Electrical · E-JJKAV

Crac / Dse Skid Package Typical Riser

Elements

Walls Stairs Roofs Floors / Slabs Millwork / Casework Connections / Plates

About this detail

A pre-fabricated vertical pipe riser provided by the mechanical installer serves as the pathway from the computer room air conditioning units up to the associated rooftop equipment. The riser within the building stops just above the computer room air conditioning unit for the floor being served, requiring the electrical installer to extend conduits down from the pipe riser to the top of the unit via overhead routes. Unistrut supports secure the conduit pathways on the riser, racked against the wall and down vertically to the top of the unit. The overall roof mechanical skid consists of two air-cooled condenser units and two refrigerant pumps on the roof serving two computer room air conditioning units inside the building. Separate raceways are required for power and controls of each computer room air conditioning, air-cooled condenser, and pump system, with power disconnect switches and control cabinets provided with the skid and located grouped together at the end.

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