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Shawmut Design and Construction Presented by: Justin Deveau Mass Timber Construction Case Study on: Site Logistics and Field Considerations TOGETHER.LET’S BUILD. 1.0 Case Study Project Context 2.0 Preconstruction Considerations Influence Design to Optimize Field Operations Field Logistics and Sequencing 3.0 Execution 4.0 Lessons Learned 5.0 Final Thoughts AGENDA Disclaimer: This presentation was developed by a third party and is not funded by WoodWorks or the Softwood Lumber Board.

Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

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Page 1: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Shawmut Design and Construction

Presented by:Justin Deveau

Mass Timber Construction Case Study on: Site Logisticsand Field Considerations

TOGETHER.LET’S BUILD.

1.0 Case Study Project Context

2.0 Preconstruction ConsiderationsInfluence Design to Optimize Field OperationsField Logistics and Sequencing

3.0 Execution

4.0 Lessons Learned5.0 Final Thoughts

AGENDA

Disclaimer: This presentation was developed by a third party and is not funded by WoodWorks or the Softwood Lumber Board.

Page 2: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

PROJECT CONTEXT

Page 3: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

• Schedule and Speed

• Aggressive Institution Wide Sustainability Goals

• Adjacent Concrete Flat Plate Dormitories

• Design Goal to Create Artist Loft Experience

• Interest in Mass Timber

Key Project Challenges

Page 4: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Project Schedule

Page 5: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Integrated Project Delivery

Page 6: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Choosing by Advantages

Page 7: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

PRECONSTRUCTION CONSIDERATIONS

Page 8: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Typical Cross-Section

Source: NAADA Architects

Page 9: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Hybrid Steel – CLT Construction

• Steel Frame with CLT Slabs

• One-way CLT Panels – Entire Building Width

• Construction Type

• Type 1B Construction – Below Lvl 2

• Type 3B Construction – Above Lvl 2

• Exposed CLT Ceilings

• Topping slab and Acoustic Isolation Mat for Sound Isolation

FEATURES

Page 10: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Floor Assembly – Acoustic Preparation

• Sound Transmission Class >= 50

• Impact Insulation Class >=50

IBC 2015 SOUND TRANSMISSION (1207)

• USG Levelrock SAM-N25 Ultra – Sound Attenuation Mat

• USG Levelrock Sound Reduction Board

• USG Levelrock 3500 Floor Underlayment (2” min thickness)

FINAL ASSEMBLY (USG PRODUCTS):

Page 11: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Panel Layout Optimization

Page 12: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 13: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 14: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 15: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

MEP Coordination

Page 16: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

MEP Coordination

Page 17: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

FIELD EXECUTION

Page 18: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 19: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Key Issues• Mix of Trades – Wood

and Steel Erector

• Fasteners Chosen for Speed

• Most Holes Field Drilled – Simplifies Coordination

• Diaphragm Design Using Spline Connectors

• No Welded Connection

• Laydown / Trucking Plan

Page 20: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

• Lay Down Strategies

• Decoupling delivery from jobsite

Demand

• Critical Artery for University /

Community (Off Hour Delivery)

• Street and Sidewalk Closures

• Crane Position and Obstructions

• No-fly Zones

Page 21: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

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Page 22: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 23: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 24: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 25: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
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Page 27: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
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Page 29: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 30: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

All Field Connections Bolted

Page 31: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Weak Axis Column Bracing at Floors

Page 32: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Unframed Openings in Floors

Page 33: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 34: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 35: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Moisture Management Plan Summary

• Expectations

• Sealers

• Stain Prevention

• Moisture Control

Page 36: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

LESSONS LEARNED

Page 37: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 38: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
Page 39: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

FINAL THOUGHTS

Page 40: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels
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Page 45: Mass Timber Construction Case Study on: Site Logistics and ... · Source: NAADA Architects. Hybrid Steel –CLT Construction • Steel Frame with CLT Slabs • One-way CLT Panels

Shawmut Design and Construction

Presented by:Justin [email protected]