LBT Q1 2008 Engineering LBT Q1 2008 Engineering ReviewReview

Swing Arms (SWA)Swing Arms (SWA)

2008-Apr-042008-Apr-04 LBT Q1 2008 Engineering ReviewLBT Q1 2008 Engineering Review

Highlights (Q4/2007)Highlights (Q4/2007) The PF SAs lost their The PF SAs lost their

cable trayscable trays Interference with ASInterference with AS Cable trays removedCable trays removed New ones to be put New ones to be put

on bottom of swing on bottom of swing armarm

Installed, ready to wire

Ready to commissionM

3

Commissioned with action items

Commissioned with action items

PF

Ready to commission

Ready to commissionAS

DXSX

2008-Apr-042008-Apr-04 LBT Q1 2008 Engineering ReviewLBT Q1 2008 Engineering Review

Progress (Q4/2007)Progress (Q4/2007) From Planning at last review:From Planning at last review:

DX M3 Swing Arm Wiring 3/3-3/12DX M3 Swing Arm Wiring 3/3-3/12 Kicked around the schedule a few times, finally Kicked around the schedule a few times, finally

landing 3/31-4/10landing 3/31-4/10 Work on PF action itemsWork on PF action items Preloading & shock absorber testing of DX M3 Preloading & shock absorber testing of DX M3

3/31-4/13/31-4/1 4/114/11

Commissioning of last 4 swing arms 4/14 – Commissioning of last 4 swing arms 4/14 – 4/254/25

Still on the scheduleStill on the schedule Software punch list has been completed with Software punch list has been completed with

the exception of swing arm queuing. GUI has the exception of swing arm queuing. GUI has been re-worked to facilitate the new been re-worked to facilitate the new commands.commands.

2008-Apr-042008-Apr-04 LBT Q1 2008 Engineering ReviewLBT Q1 2008 Engineering Review

Open IssuesOpen Issues TechnicalTechnical

Shock absorber testingShock absorber testing Action items on PF SA to complete commissioningAction items on PF SA to complete commissioning Software must be re-tested to wring out new Software must be re-tested to wring out new

features changed/added since last testing round.features changed/added since last testing round. Queuing must be added and tested.Queuing must be added and tested.

ScheduleSchedule Tight schedule with 4 weeks of constant work on Tight schedule with 4 weeks of constant work on

the SAsthe SAs FinancialFinancial

NoneNone ResourceResource

Mountain manpower availabilityMountain manpower availability Telescope time, other projects, night observingTelescope time, other projects, night observing Need 1 more scissors liftNeed 1 more scissors lift

2008-Apr-042008-Apr-04 LBT Q1 2008 Engineering ReviewLBT Q1 2008 Engineering Review

Planning (Q2/2008)Planning (Q2/2008) DX M3 Swing Arm Wiring/Testing 3/31-DX M3 Swing Arm Wiring/Testing 3/31-

4/104/10 Complete PF action itemsComplete PF action items Preloading & shock absorber testing of DX Preloading & shock absorber testing of DX

M3 4/11M3 4/11 Commissioning of last 4 swing arms 4/14 Commissioning of last 4 swing arms 4/14

– 4/25– 4/25 Testing of new/changed software Testing of new/changed software

features.features. Replace PF cable traysReplace PF cable trays

Thomas Hair CoordinatingThomas Hair Coordinating Currently being manufactured – delivery 6 Currently being manufactured – delivery 6

MayMay