1. Matthew Gardner, 8/20/14

2.  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 29 th.  Relocate a VESDA conduit.  Bid package was delayed by procurement. Sent out on August 18 th. Bid due date is August 29 th.  Ductwork installation should begin in the 2 nd or 3 rd 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.

3.  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.

4.  Transformer was moved to Linac Lower Gallery on July 19 th.  Transfer temporary power to L2 on September 6 th.  2 weeks to remove old substation and install new one. ◦ EE Support, Electricians, and Riggers  Switch power to new substation on September 20 th.