Segment Exchange Plan For: 6/17/03 & 6/18/03

To:                  Distribution

From:             M. Dahler        

Date:              6/10/03

A primary mirror segment exchange for Keck K1 is scheduled to take place on  6/17/03 and 6/18/03.  The following is a schedule of the exchange and related activities (a detailed engineering observing schedule will be distributed separately).

EXCHANGE:

SUPPORT ACTIVITIES:

Aluminization is complete: (Tim Saloga)

Sensor maintenance is completed: S. Doyle

Segment crane check-out, [ CARA Doc. 159] Completed: (A. Agliam)

CREW:

Team Leader:

N. Felton (Floor)

Mirror Technicians:

C. Hunt (Cell)

P. Crivello (Cell)

T. Arruda(Cell)

R. DeMotta (Cell)

T. Saloga (Floor)

M. Nakata (Floor)

Sensor Technicians:

D. Chan, J. Killian (Swing-out) Day1

D. Chan, G. Thorkildsen(Swing-out) Day2

S. Doyle, E. Appleby(Swing-in) Day1

S. Austria, D. Chan(Swing-in) Day2

S. Doyle (Appleby) (Warping) 6/18/03

G. Thorkildsen (Austria) (Warping) 6/19/03

Crane Operator:

A. Agliam, D. Scofield (Day 1)

A. Agliam, M. Devenot (Day 2)

Early Starts and Late Finishes:

 Mirror, Crane and Sensor Swing-out crew start 2 hours EARLY.

 Sensor technicians may stay LATE for sensor swing in.

Distribution:

D. Chan

R. Cohen

A. Contos

K. Kinoshita

H. Lewis

R. Matsuda

D. McBride

B. Moskitis

T. Nordin

B. Schaefer

J. Vause

P. Wizinowich

Crew:

A. Agliam

C. Hunt

D. Chan

D. Scofield

E. Appleby

G. Thorkildsen

J. Killian

M. Devenot

M. Nakata

N. Felton

P. Crivello

R. DeMotta

S. Austria

S. Doyle

T. Arruda

T. Saloga

ACTIVITY SCHEDULE FOR exchange dates: 6/17/03 and.6/18/03

  MIRROR SEGMENT EXCHANGE

Day 1  6/17/03

Lead person check that dome AC's are OFF                                       

Lead person check that JLG is stowed for segment exchange           

SCHEDULE:

A.M. Remove SP. 26,  11,  3   Cell crew lunch break, Install 3.

P.M. Floor crew lunch break, Install SP 11, 26.

Warping : S. Doyle (Appleby) will warp segments on 6/18/03.

Remove
SP	SN	telescope face	(tel az / floor az)	data sheet	Removed
26	27	-X+Y	37.5 / ---	12
11	17	-X+Y	37.5 / ---	8
3	55	-X+Y	37.5 / ---	9
Install
SP	SN	telescope face	(tel az / floor az)	data sheet	Installed
3	57	-X+Y	37.5 / ---	9
11	11	-X+Y	37.5 / ---	8
26	69	-X+Y	37.5 / ---	12

Lead person check that JLG is stowed for telescope motion  

Day 2  6/18/03

Lead person check that dome AC's are OFF                                       

Lead person check that JLG is stowed for segment exchange           

SCHEDULE:

A.M. Remove SP 28, 27,  12  .   Cell crew lunch break, Install. 12

P.M. Floor crew lunch break, Install SP 27,.28

Warping : G. Thorkildsen (Austria) will warp segments on 6/19/03.

Remove
SP	SN	telescope face	(tel az / floor az)	data sheet	Removed
28	89	-X-Y	157.5 / 165	3
27	76	-X-Y	157.5 / 165	10
12	74	-X-Y	157.5 / 165	11
Install
SP	SN			data sheet	Installed
12	18	-X-Y	157.5 / 165	11
27	37	-X-Y	157.5 / 165	10
28	40	-X-Y	157.5 / 165	3

Lead person check that JLG is stowed for telescope motion  

Lead person check that dome AC's are ON