Segment Exchange Plan For: 7/8/03 & 7/9/03

To:                  Distribution

From:             Mike Dahler    

Date:              6/30/03

A primary mirror segment exchange for Keck K1 is scheduled to take place on 7/8/03 and 7/9/03.  The following is a schedule of the exchange and related activities (a detailed engineering observing schedule will be distributed separately).

EXCHANGE:

SUPPORT ACTIVITIES:

Aluminization will be complete prior to the exchange: (Tim Saloga)

Sensor maintenance will be complete prior to the exchange: () Name: S. Doyle, G. Thorkildsen

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

CREW:

Team Leader:

M. Dahler (Floor)

Mirror Technicians:

C. Hunt (Cell)

P. Crivello (Cell)

M. Nakata (Cell)

N. Felton (Floor)

T. Saloga (Floor)

R. Demota (Floor)

T. Arruda (Floor)

Sensor Technicians:

G. Thorkildsen, T. Nordin (Swing-out) Day 1

G. Thorkildsen, J. Killian (Swing-out) Day 2

S. Doyle, S. Austria (Swing-in) Day 1

S. Doyle, S. Austria (Swing-in) Day 2

T. Saloga, G. Thorkildsen (Warping) 7/9/03

S. Doyle, S. Austria (Warping) 7/10/03

Crane Operator:

D. Scofield, A. Agliam (Day 1)

D. Scofield, 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:

M. Dahler

C. Hunt

P. Crivello

M. Nakata

N. Felton

T. Saloga

R. DeMotta

T. Arruda

S. Doyle

G. Thorkildsen

J. Killian

S. Austria

A. Agliam

D. Scofield

M. Devenot

ACTIVITY SCHEDULE FOR exchange dates: 7/8/03 and.7/9/03

  MIRROR SEGMENT EXCHANGE

Day 1  7/8/03

Lead person check that dome AC's are OFF                                       

Lead person check that JLG is stowed for segment exchange           

SCHEDULE:

A.M. Remove SP. 29,  13,  4   Cell crew lunch break, Install 4.

P.M. Floor crew lunch break, Install SP 13, 29.

Warping : T. Saloga, G. Thorkildsen will warp segments on 7/9/03.

Remove
SP	SN	telescope face	(tel az / floor az)	data sheet	Removed
29	21	-X-Y	157.5/165	4
13	52	-X-Y	157.5/165	2
4	60	-X-Y	157.5/165	1
Install
SP	SN	telescope face	(tel az / floor az)	data sheet	Installed
4	55	-X-Y	157.5/165	1
13	24	-X-Y	157.5/165	2
29	27	-X-Y	157.5/165	4

Lead person check that JLG is stowed for telescope motion  

Day 2  7/9/03

Lead person check that dome AC's are OFF                                       

Lead person check that JLG is stowed for segment exchange           

SCHEDULE:

A.M. Remove SP 31, 30,  14  .   Cell crew lunch break, Install. 14

P.M. Floor crew lunch break, Install SP 30,.31

Warping : S. Doyle, S. Austria will warp segments on 7/10/03.

Remove
SP	SN	telescope face	(tel az / floor az)	data sheet	Removed
31	83	-X-Y	157.5/165	7
30	36	-X-Y	157.5/165	5
14	32	-X-Y	157.5/165	6
Install
SP	SN			data sheet	Installed
14	74	-X-Y	157.5/165	6
30	76	-X-Y	157.5/165	5
31	89	-X-Y	157.5/165	7

Lead person check that JLG is stowed for telescope motion  

Lead person check that dome AC's are ON