PIP Update

Linac Utilities for 2014 Shutdown

Matthew Gardner, 8/20/14

Replace old water based AC system with conventional rooftop AC system. Drain and abandon old water lines.

Remove old air handlers and sections of pipes that conflict with new ductwork.◦ Pipe insulation contains asbestos, abatement will take place August 29th.

Relocate a VESDA conduit.

Bid package was delayed by procurement. Sent out on August 18th. Bid due date is August 29th.

Ductwork installation should begin in the 2nd or 3rd week of September. Expected to take ~4 weeks.

The Rooftop units have a lead time of 6-8 weeks. ◦ This may not arrive before the shutdown ends.

Dual Temp Water System

Concrete pad waiting on chiller overhaul.◦ Expected to happen next week. 1-2 days.

Electrical Work will begin next week. ◦ Expected to take ~2 weeks.

Pipe Fitting◦ All of the prep work that could be done before cutting into

existing system is complete. Was waiting on chiller overhaul before continuing.

◦ Rising costs prompted switch from T&M to fixed price. Package has been sent out for review and will go out to bid this week

or next.

◦ Remaining work is expected to take 3 weeks.

CUB Chiller#3 Spare Pump

Transformer was moved to Linac Lower Gallery on July 19th.

Transfer temporary power to L2 on September 6th.

2 weeks to remove old substation and install new one.◦ EE Support, Electricians, and Riggers

Switch power to new substation on September 20th.

L1 Substation Replacement