Columbia University 24hr Shutdown
https://www.definitivepiping.com/apps/photos/
Columbia University 24hr Shutdown Job details:
-Changing 3 10" Shut off Valves on all 3 boilers.
-Changing 3 10" Non return valves on all 3 boilers.
-Welding in 3 10" Tees for futures for all 3 boilers on Gas line.
-Piping back in 4 return lines.
-Removing and Upgrading Condensate pump system.
https://www.definitivepiping.com/apps/photos/photo?photoID=179405582
179405582Changing of 4" Valve on bypass.
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179405388Another image of 4" valve on bypass.
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179405389Left to Right.
10" Shut off Valve,Spool Piece, Non Return Valve. *Valves to be replaced*
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179405390Another look at the 10" non return valve.
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179405391Another look at the 10" Shut off Valve.
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179405392Cutting in of 3 Valves on return line.
Valve location is indicated by hanging tape in image.
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1794053863/4 Return line to be tied into location in previous image.
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1794053931-1/2 pipe to be tied back into location in the following image.
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179405394Cap to be Cut in tied into previous 1-1/2 line.
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179405395View of Gas piping where a 10" Tee will be cut in for futures for each boiler.
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179405396New Condensate pump system.
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179405397Old Steam Condensate steam system.
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179405398Another view of the Old System.
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179405399Another view of the Old System.
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179405400Old condensate tank removed.
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179405401Old System has been removed.
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179405402Another view of the Old System removed.
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179405403Pre fabrication of new lines for new condensate system.
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179405404More pre fabrication in images that follow.
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179405408New Condensate pump placed into location but not set until shut down.
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179405409Flanges for 10" and 8" taps to be cut in on high pressure and low pressure. (Time permitting)
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179692955Nuts and Bolts and other material in a neat corner.
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179692956Another view as previous.
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179692957High Pressure and Low Pressure Steam lines 10" and 8".
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179692958Boiler Plant that work is being performed in.
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179692959New Gas Valves to be installed on Gas Header.
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179692960Prefabrication pieces for steam station during the shut down.
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179692961Material.
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179692962Arrival of 10" Non Return Valve .
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179692963Another view of the 10" Valves that were shipped.
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17969296410" Non Return Valve unwrapped and uncrated.
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179692965Another view of 10" Non Return Valve.
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17969296610" Non Return Valves being set into Rigging position for shut down.
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179692967New Shut Off Valves.
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180270995New atomizing steam valves.
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180270996Welding and Cutting in of new 10" and 4" Valves.
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1802709975" Low Pressure steam line cut and capped.
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180270998High Pressure Steam Trap to be piped in.
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180270999High Pressure Steam trap valves tied in.
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180271000Another View of the Steam trap.
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180271007Welding of 4" for condensate pump in progress.
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180271001Another view of Welding in progress and condensate pump.
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1802710023" Valve change and vent lines tied in.
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180271003Condensate pump tied into mains.
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180271004Final Look at the finished condensate pump system.
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180271005Valve cut in on condensate return line and steam return trap tied into main return.
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1804176808" and 4" High Pressure lines where one valve per line was cut and welded in.
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