Prefabricated Industrial Metal Stairs and Access Platforms.
ErectaStep’s line of industrial modular metal stairs and industrial maintenance access platforms feature modular, lightweight metal components that are as easy to reconfigure as they are to assemble.

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What’s a chiller plan
A chiller plant is a centralized system that cools the air for a building or for a collection of buildings and provides the air-conditioning portion of HVAC systems. According to the federal government’s Energy Star website, over 35 percent of buildings larger than 100,000 square feet contain chiller plants.