LBT Q4 2007 Engineering LBT Q4 2007 Engineering ReviewReview

DYBDYB

21-Dec-200721-Dec-2007 LBT Q4 2007 Engineering RevieLBT Q4 2007 Engineering Revieww

Highlights (Q4/2007)Highlights (Q4/2007)

Currently in Commissioning PhaseCurrently in Commissioning Phase System is functioning and we are able to run the system System is functioning and we are able to run the system

with the MCS.with the MCS. System senses swing arm configuration and performs System senses swing arm configuration and performs

the reconcile command and manual trim commands.the reconcile command and manual trim commands. All hardware and electronics installed except bypass All hardware and electronics installed except bypass

valves and insulation.valves and insulation. Bypass valves still need to be installed.Bypass valves still need to be installed. Pipe insulation work in progressPipe insulation work in progress

Final system and software tests are in progress.Final system and software tests are in progress. Current Completion Date is February/March, Current Completion Date is February/March,

2008. Slip from Nov 302008. Slip from Nov 30thth due to scarcity of time due to scarcity of time on telescope.on telescope.

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Open IssuesOpen Issues TechnicalTechnical

Installation of bypass valves and insulation, Installation of bypass valves and insulation, and final shake down of PLC software.and final shake down of PLC software.

ScheduleSchedule Telescope time and impact on acceptance Telescope time and impact on acceptance

tests and any punchlist work.tests and any punchlist work. FinancialFinancial

NoneNone ResourceResource

Need ETS techs help to complete insulation Need ETS techs help to complete insulation due to competing priorities of mountain staff.due to competing priorities of mountain staff.

PLC Programmer’s time needed to complete PLC Programmer’s time needed to complete debugging of software.debugging of software.

21-Dec-200721-Dec-2007 LBT Q4 2007 Engineering RevieLBT Q4 2007 Engineering Revieww

Progress (Q4/2007)Progress (Q4/2007) Procurement Procurement

Bypass Valves, Level Sensors, Longer and Flowmeter Cable Bypass Valves, Level Sensors, Longer and Flowmeter Cable (Planned 2(Planned 2ndnd week Nov.) (Completed 1 week Nov.) (Completed 1stst week of Dec.) week of Dec.)

InstallationInstallation Insulation (Planned Oct) (Slip to January dependant on ETS help)Insulation (Planned Oct) (Slip to January dependant on ETS help) Bypass Valves, Level Sensors, and vent lines through cable wrap Bypass Valves, Level Sensors, and vent lines through cable wrap

(Planned Nov) Level sensors and vent lines completed in Dec. (Planned Nov) Level sensors and vent lines completed in Dec. Bypass valves will be installed Dec 27Bypass valves will be installed Dec 27thth..

CommissioningCommissioning Software Tests (Planned Oct ) (Continuing into January)Software Tests (Planned Oct ) (Continuing into January) Commission Level Sensors and Calibrate Overflow Sensors Commission Level Sensors and Calibrate Overflow Sensors

(Planned Nov) (Completed in November.)(Planned Nov) (Completed in November.) Acceptance Tests and Handover (Planned Nov) (Now planned to Acceptance Tests and Handover (Planned Nov) (Now planned to

complete acceptance tests in February/March)complete acceptance tests in February/March) Documentation (Planned Nov) (Complete in January)Documentation (Planned Nov) (Complete in January)

21-Dec-200721-Dec-2007 LBT Q4 2007 Engineering RevieLBT Q4 2007 Engineering Revieww

Progress Cont. (Q4/2007)Progress Cont. (Q4/2007)

Level sensor and support tube installed

Vent Lines in Drape

21-Dec-200721-Dec-2007 LBT Q4 2007 Engineering RevieLBT Q4 2007 Engineering Revieww

Planning (Q1/2008)Planning (Q1/2008) InstallationInstallation

Complete Insulation (January)Complete Insulation (January) Bypass Valves (Dec 27Bypass Valves (Dec 27th)th)

CommissioningCommissioning Complete Software Tests (January)Complete Software Tests (January) Acceptance Tests and Handover Acceptance Tests and Handover

(February/March)(February/March) Documentation (January)Documentation (January)