LBT Q1 2007 Engineering Review

LBT Q1 2007 Engineering LBT Q1 2007 Engineering ReviewReview

ETPETP

Elevation Track Protection Elevation Track Protection

(oil contamination (oil contamination remediation)remediation)

13-Apr-200713-Apr-2007 LBT Q1 2007 Engineering RevieLBT Q1 2007 Engineering Revieww

Highlights (Q1/2007)Highlights (Q1/2007)

Elevation Track Protection in large Elevation Track Protection in large measure a consequence of HBS measure a consequence of HBS capillary installation.capillary installation.

Plugging the air galleys and installing Plugging the air galleys and installing resistors at the pads reduces the oil resistors at the pads reduces the oil consumption by 50%, increases consumption by 50%, increases stiffness by ~12%.stiffness by ~12%.

13-Apr-200713-Apr-2007 LBT Q1 2007 Engineering RevieLBT Q1 2007 Engineering Revieww

13-Apr-200713-Apr-2007 LBT Q1 2007 Engineering RevieLBT Q1 2007 Engineering Revieww

13-Apr-200713-Apr-2007 LBT Q1 2007 Engineering RevieLBT Q1 2007 Engineering Revieww

Open IssuesOpen Issues

TechnicalTechnical Vacuum system yet to demonstrate it is a Vacuum system yet to demonstrate it is a

viable solutionviable solution ScheduleSchedule

NoneNone FinancialFinancial

Facility installation of a vacuum system will be Facility installation of a vacuum system will be expensive, ~$100kexpensive, ~$100k

ResourceResource Mountain support pacing operationMountain support pacing operation

13-Apr-200713-Apr-2007 LBT Q1 2007 Engineering RevieLBT Q1 2007 Engineering Revieww

Progress (Q1/2007)Progress (Q1/2007)

Delivered Hoover (vacuum Delivered Hoover (vacuum scavenger) to LBTO, 1scavenger) to LBTO, 1stst attempt at attempt at use stopped because of venting use stopped because of venting aerosolsaerosols

Installed coalescing filter and Installed coalescing filter and external vent line.external vent line.

13-Apr-200713-Apr-2007 LBT Q1 2007 Engineering RevieLBT Q1 2007 Engineering Revieww

Planning (Q2/2007)Planning (Q2/2007)

Run system during 2Run system during 2ndnd qtr. qtr. Identify problems, measure oil Identify problems, measure oil

extraction rate at 1 corner.extraction rate at 1 corner.