#1

Project involved changing out on the run (8) 8.0" Cooling Condenser Riser pipes while the Worldwide Boeing Computer System remained on line.

#2

This image highlights just how severe the corrosion had become on the Condenser Riser Pipes.

#3

CRYOSTOP International Pipe Freeze Technician preps the first 8.0" vertical riser which is fed from a 20.0" header just below the surface.

#4

The SC-800 CRYO-LATOR Chamber develops a dependable and workable freeze plug in approximately 1 hour / 30 minutes.

#5

Maintenace staff remove the last of the defective condenser risers and old block valves.

#6

Old block valve and spool piece are lifted out.

#7

Pipe Flange is preped for new block valve.

#8

New block valve is lifted into place. Note the exposed freeze plug.

#9

New block valve is bolted into place.

#10

First block valve is preped to except the new spool piece and second block valve.

#11

Welders had to fabricate each new riser.

#12

Image shows the freeze plug through the newly installed block valve.

#13

New block valve in place.

#14

Shows the first completed riser with both new block valves.

#15

Maintenance staff works to install new block valve.

#16

Project Completed. Image shows all (8) of the Condenser Risers completed with each riser having 2 new block valves.