2012-06-28-PBC-min - Laserfiche WebLink

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Lexington Permanent Building Committee 28 June 2012 Discussed photos and materials use on other buildings Materials being considered; Limestone, split face block, ground face block, cast stone, zinc panels, all natural colors. DDP needs to do some sketch studies of elevations with some of the materials Some opinions discussed for overall theory...... simple, not busy Reviewed slight adjustments to floor plan to improve function, no change in GSF Approx 500 seating capacity for performance space set up in cafeteria Roof Membrane not yet determined Cafeteria +/- 11 feet to underside of truss, 16 feet to deck Gymnasium 24 feet to underside of deck Glass and lighting require further discussion 7.30 Commissioning Agent award 3/29/12 MSBA assigned Commissioning agent, contact needs to be made and a scope of services received. 4/12/12 Discussion regarding scheduling a meeting with commissioning agent and schedule meeting. 7.31 Schedule through summer 2012 and Start of Building Construction 3/29/12 It was discussed that a detailed schedule / timeline is needed leading into summer activities and enabling work. Summer Recess for school is coming soon and is relatively short in duration as compared to amount of work that needs to take place. 4/12/12 Summer approvals, milestones and work goals need to be identified in schedule. Site infill area, retaining wall, pavement expansion for temp parking, temp drainage structures. DDP expects early site package to be drawn by end of the month. 7.32 Designer Update for 4/12/12 4/12/12 DDP has continued to move forward on project, process is going well. DDP has had 2 meetings with Shawmut and reports that they are bringing good ideas to the table. Shawmut is preparing independent estimate that should be available in 2 weeks (4/26/12). Shawmut is estimating MSBA submission with new items & materials noted to compare delta to original estimate. DPF has met with DPW and Rec Dept. to discuss field use and maintenance and has forwarded recommendations to design team. Discussion on possible added costs for grading of field as well as options for sod versus seed. DiNisco states final decisions are needed within 2 weeks on grading and seed /sod. DDP updated PBC on discussions from working group meetings on possible use of limestone, split face block. Rendered elevations were also available showing zinc panels, limestone and overall fenestration. Loading dock discussions, included adding a small roof over entry door, locations for dumpsters, screen wall at back of loading dock. 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. 7.34 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. Page 6 of 9