To get input from the public on a Petition to Initiate Rulemaking filed by Thermal Tech, Inc, to amend to clarify its application to boilers with fireside heating surface of 2,000 square feet or greater and/or having a top centerline elevation of 10'-0'' above the operating floor (installed height, including the increase in elevation due to housekeeping pads or supporting piers) – where access to the inspection manways, operable valves safety valves and other equipment is required for normal operations, maintenance and repairs and inspections. Other changes relating to ladders and runways are also requested.