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Central Chilled Water Facility – Phase II

This project involved the expansion of the existing Chilled Water Plant in the sub-basement, including pipe pit excavation, concrete work, and basement piping installation. Managed by BNL F&O, the $15.3 million contract was shared with BNL and NSLS-II, with Giffels Engineers as the A/E. Major equipment items reviewed, safety performance excellent, and work progressing on schedule for completion in February 2011. The project milestones include the completion of basement walls by Thanksgiving, pipe headers installation by Christmas, structural steel erection by February, and building enclosure by April.

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Central Chilled Water Facility – Phase II

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  1. Central Chilled Water Facility – Phase II Existing CHW Plant Sub-basement/Pipe pit CHW Expansion Basement Alan Raphael MPO Project Manager CFAC Committee Review November 9, 2009

  2. Technical Progress • Chilled Water Plant Expansion – EW Howell moving quickly • $15.3M Contract shared with BNL & NSLS-II (~55/45 split) • Managed by BNL F&O, Giffels Engineers is A/E • Contract awarded July 1st 09 • Contractor received NTP July 27th, started construction 8/25 • Completed mobilization, site clearing, excavation, installation of shoring, concrete for pipe pit and pipe tunnel slab • Scheduled to complete December 2010 • Contract completion February 2011 • ~ 3 – 4 months float from NSLS-II critical path

  3. Technical Progress (cont’d) Pipe Pit Concrete (10/5/09) Shoring Bldg 600 (9/25/09)

  4. Technical Progress (cont’d) Under Slab Utilities (10/16/09) Pipe Pit Backfill (10/12/09)

  5. Technical Progress (cont’d) Concrete Placement ofBasement Mat (10/23/09) Preparation Basement Mat(10/22/09)

  6. Technical Progress (cont’d) Forms and Reinforcement East Wall (11/3/09) Finished Concrete of Basement Mat (10/23/09)

  7. CCWF-II Basement Piping Piping to NSLS-II Chillers Piping for Future BNL Chillers CCWF Expansion Basement Piping Header Isometric

  8. Work in Progress • Reviewing submittals on major equipment items • Large pipe header dwgs approved and in fabrication • Structural steel dwgs approved and in fabrication • No significant change orders to date • Safety performance has been excellent • Sitework & concrete progressing well • Contractor proceeding on or ahead of schedule • Schedule ready for approval and incorporation in baseline

  9. Look Ahead • Basement walls finished by Thanksgiving • Large pipe headers loaded into basement by Christmas • Structural steel erected by February • Building enclosed by April

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