Breadth Topics Analysis Topics Silverado Senior Living Brookfield, WI Electrical On-site Prefabrication of Interior Wall Panels Electrical design and modifications needed for solar panel installation Installation of Solar Panels Structural SIPS for Resident Rooms Structural design and modifications needed to support additional load from solar panels Re-sequencing of the Project Schedule *Courtesy of Hunzinger Presented by Cameron Mikkelson April 16, 2014
Presentation Outline Project Overview Analysis 1: Prefabrication Analysis 2: Solar Panel Installation Electrical Breadth Analysis 3: SIPS Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements Appendix *Courtesy of Hunzinger *Courtesy of Hunzinger
Project Overview Project Overview Analysis 1: Prefabrication Building Name: Silverado Senior Living Location: Brookfield, WI Analysis 2: Solar Panel Installation Building Owner: Silverado Occupancy: I-2 Electrical Breadth Delivery Method: Design-Bid-Build Dates of Construction: September 2012 – September 2013 Size: 45,230 sq. ft. Analysis 3: SIPS Total Project Cost: $9.2 million Stories above Grade: One Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements *Courtesy of Hunzinger Appendix
Project Overview Project Overview Analysis 1: Prefabrication Analysis 2: Solar Panel Installation Design Goal Electrical Breadth Explore alternative, cost effective methods of construction Analysis 3: SIPS to ultimately reduce field installation time. Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements Appendix
Prefabrication of Interior Wall Panels Project Overview Analysis 1: Prefabrication Analysis 2: Solar Panel Installation Electrical Breadth Analysis 3: SIPS Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements Appendix *Courtesy of Hunzinger *Courtesy of Hunzinger
Prefabrication of Interior Wall Panels Background Information Project Overview • 143 interior wall panels Analysis 1: Prefabrication • Wood stud framing Analysis 2: Solar Panel Installation • Panel installation 34 days Electrical Breadth • Plumbing rough-in 35 days Analysis 3: SIPS • 4 quadrants divided into 3 panel deliveries Analysis 4: Re-sequencing Project • Interior courtyard Schedule Activity Start St Finish Conclusion and Acknowledgements Wall Panels 4-Feb 12-Mar Plumbing Rough-In 26-Mar 19-Jul Appendix *Courtesy of Hunzinger
Prefabrication of Interior Wall Panels Prefabrication Location and Temporary Enclosure Project Overview • 66’ x 82’ Mega Structure from Mahaffy Analysis 1: Prefabrication • $40,745 Analysis 2: Solar Panel Installation • Delivery, install, 3-month rent, takedown Electrical Breadth Analysis 3: SIPS Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements Appendix *Courtesy of Mahaffy Fabric Structures *Courtesy of Hunzinger
Prefabrication of Interior Wall Panels Panel Assembly and Installation Constructability Concerns Project Overview Analysis 1: Prefabrication • Reduced schedule by 13 days • Coordination with panel supplier Analysis 2: Solar Panel Installation • Scheduling Pan anel el Q Qua uadr dran ant Tot otal al L Lab abor or Electrical Breadth Del eliv iver ery Hou ours • B 151 Spatial considerations for temporary enclosure Analysis 3: SIPS C 230 A/D 531 912 • Protection of existing work Analysis 4: Re-sequencing Project Panel Qu Quadrant Delivery No No. of Panels Delivery Assembly Install Schedule • B 25 17-Dec Dec 17 - Dec 28 Jan 25 - Feb 6 Field Issues C 32 28-Dec Dec 28 - Jan 7 Feb 6 - Feb 15 A/D 86 17-Jan Jan 17 - March 6 Feb 15 - March 8th Conclusion and Acknowledgements Appendix
Prefabrication of Interior Wall Panels Results Cost Breakdown Project Overview Analysis 1: Prefabrication Final Cost Analysis • Schedule reduction: 13 days Temporary Warehouse -$40,745 Analysis 2: Solar Panel Installation Trucking Costs -$1,670 • Additional expenses: $84, 457 Equpiment -$38,580 Electrical Breadth Labor -$32,160 • Safety General Conditions Savings $28,698 Analysis 3: SIPS -$84,457 • Quality control and logistical issues Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements Appendix
Prefabrication of Interior Wall Panels Conclusion and Recommendation Project Overview Analysis 1: Prefabrication Analysis 2: Solar Panel Installation Do not utilize prefabrication as a means of achieving a reduction in Electrical Breadth schedule. Analysis 3: SIPS Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements Appendix
Installation of Solar Panels Project Overview Analysis 1: Prefabrication Analysis 2: Solar Panel Installation Electrical Breadth Analysis 3: SIPS Analysis 4: Re-sequencing Project www.solren.com Schedule Conclusion and Acknowledgements www.ecmweb.com Appendix www.solren.com
Installation of Solar Panels Background Information Project Overview Analysis 1: Prefabrication • Aesthetics and orientation Analysis 2: Solar Panel Installation • 5324 SF of usable rooftop area Electrical Breadth • Roof truss system Analysis 3: SIPS • EPDM roofing with composite asphalt shingles Analysis 4: Re-sequencing Project • 3 Phase Schedule • 208 Y/120 v Usable rooftop area *Courtesy of Hunzinger Conclusion and Acknowledgements Appendix
Installation of Solar Panels Sharp ND-250QCS Solectria Inverter Components Quick Mount PV Classic Composition Project Overview Analysis 1: Prefabrication • Grid-tied system Analysis 2: Solar Panel Installation • 5 strings of 11 modules (55 modules) Electrical Breadth • Selectria Renewables PVI 14 TL inverter with Analysis 3: SIPS integrated string combiner www.quickmountpv.com Analysis 4: Re-sequencing Project • Quick Mount PV Classic Composition Schedule • Rooftrac racking system Conclusion and Acknowledgements www.solren.com www.prosolar.com • 60 A circuit breaker Appendix www.solren.com
Installation of Solar Panels Component Placement Project Overview • Quad A: 3 strings (33 modules) Analysis 1: Prefabrication • Quad D: 2 strings (22 modules) Analysis 2: Solar Panel Installation • Inverter located in rooftop mechanical area in Quad D Electrical Breadth • AC panel and utility tie in located in RM D130.3 Analysis 3: SIPS Analysis 4: Re-sequencing Project Schedule Conclusion and Acknowledgements Appendix *Courtesy of Hunzinger *Courtesy of Hunzinger
Installation of Solar Panels – Electrical Breadth Purpose Project Overview Analysis 1: Prefabrication • Additional equipment and optimal location Analysis 2: Solar Panel Installation • Shading impact Electrical Breadth • Electrical distribution Analysis 3: SIPS • Payback period Analysis 4: Re-sequencing Project • LEED contribution Schedule Conclusion and Acknowledgements Appendix
Installation of Solar Panels – Electrical Breadth Distribution Equipment Project Overview • Module – Sharp ND-250QCS Analysis 1: Prefabrication • Max. Power 250 W Module to Inverter (DC): #12 AWG THWN-2 • Efficiency 15.3 % Analysis 2: Solar Panel Installation • Max. Power Voltage 29.8 V Voltage Drop 1.8% < 3% • Short Circuit Current 8.9 A Electrical Breadth Inverter to Utility Connection (AC): #8 AWG THWN-2 Analysis 3: SIPS • Inverter – PVI 14 TL • Continuous Output Power 14 KW Voltage Drop 1.6% < 2% Analysis 4: Re-sequencing Project • Efficiency 96.7 % • Schedule Max. Open Circuit Voltage 600 V • Continuous Output Current 39 A Conclusion and Acknowledgements Appendix
Installation of Solar Panels – Electrical Breadth Shading and Obstructions Project Overview Analysis 1: Prefabrication Analysis 2: Solar Panel Installation Electrical Breadth Analysis 3: SIPS Analysis 4: Re-sequencing Project Schedule *Courtesy of Hunzinger Shading Charts for Milwaukee Conclusion and Acknowledgements Appendix www.solardat.uoregon.edu
Installation of Solar Panels – Electrical Breadth Payback and LEED Project Overview Analysis 1: Prefabrication • 6.2 years Analysis 2: Solar Panel Installation • Annual System Output: 15 (kWh) Electrical Breadth • Annual Energy Value: $3,110.95 Analysis 3: SIPS • 30% Federal cash incentive Analysis 4: Re-sequencing Project • 0.5 $/kwh State incentive for Wisconsin Schedule • 1 point LEED contribution Conclusion and Acknowledgements Appendix
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