2012-04-26-PBC-min - Laserfiche WebLink

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Lexington Permanent Building Committee 26 April 2012 7.33 Design Development 4/12/12 Design Development scheduled to be complete the end of April. PBC Recommends School Department and School Committee have a process of formal sign off of the Design Development Package. 7.33 Designer Update for 4 -26 -12 4/26/12 Chris Hildreth of RDK engineers was present to give an overview of the MEP systems on the project. RDK also provided HVAC narrative and updated energy analysis. Proposed system is a chilled beam induction system. Additional material will be prepared and demonstrate the comparative data for other systems evaluated. This information to be shared with Energy Committee. RDK also discussed energy rebates briefly as well as other measures such as Dark Schools, day - lighting, light sensors etc. DPF will contact ECC chair and seek feedback. ECC was invited to the 4126112 PBC meeting to evaluate comparative data on Mechanical system options and energy model updates. While only one member of the ECC was available for the meeting the Mechanical consultant was equally not able to provide the documentation the facilities department was seeking. Updated material was requested from the engineer and Pat G. will work with ECC to reach consensus on systems. Designer briefly updated PBC on continued discussion of materials for fa4ade and general design features and building elevations. PBC requested cost comparative data for limestone and similar materials proposed. DDP stated that the next working group meeting would included continuation of design discussion. 7.34 Collaborative Partners Update for 4/26/12 4/26/12 Joe R. introduced members of the Shawmut team and provided a brief update on the status of estimating which included Shawmut's first pass at an estimate on the project. CP was in the process of comparing the Shawmut estimate with that of the schematic design and it was not ready for full discussion. PBC requested a systems summary estimate and Shawmut agreed. Next working group meeting 5/7/12 Next PBC meeting 5/10/12, Energy Committee to be invited to recap / agree on mechanical system issues. Meeting Adjourned Motion to Adjourn 4/26/12 10:05 PM Motion: Dick Perry 2 Peter Johnson Unanimous Page 6 of 6