The agenda for wed 08 Oct is:

1. needed operations for towers displacements 					(Frederic R., R.Cosci)
Open points to be discussed: final comments on the 2m bottom flange if not accessible anymore

2. Larger tower links (1m in diameter) without valves between towers	 	(Antonio P. + All)

3. Upgrade of SR tower: 							(Pierre M.)

4. Improved clean air flow in UHV towers: 					(Pierre M. and Laurent G.)

5. Vacuum system upgrade in order to reduce the residual pressure 		(Antonio P. + All)
_ Sensitivity
_ Present status
_ Possible solutions
_ Considerations from ligo vacuum expert about water
_ Air from bench towers (oring permeation, desorption from cables …)

6. Vacuum Control System upgrade: 						LAL team