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Download e-book for kindle: Best Practices for Commercial Roof-Mounted Photovoltaic by Rosalie Wills, James A. Milke, Sara Royle, Kristin Steranka

By Rosalie Wills, James A. Milke, Sara Royle, Kristin Steranka

ISBN-10: 1493928821

ISBN-13: 9781493928828

ISBN-10: 149392883X

ISBN-13: 9781493928835

This SpringerBrief provides info on a large choice of dangers and the wear and tear strength because of deploy of a photovoltaic (PV) approach. the present install practices for PV structures on roofs create electric, hearth, structural, and weather-related risks that don't comply to present codes, criteria and suggestions files. capability hazards contain structural loading, wind lots, hail, snow, particles accumulation, seismic dangers, firefighting dangers, and electric risks. regardless of the elevated acclaim for PV structures after the environmental flow, study exhibits that the prices of putting in PV platforms outweigh the advantages. risks of PV platforms on roofs have triggered numerous incidents within the usa; the main extraordinary in Bakersfield, California, and Mount Holly, North Carolina. Designed for hearth engineers and execs, most sensible Practices for advertisement Roof-Mounted Photovoltaic approach install deals ideas to establish PV structures properly and sustainably.

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This quantity provides a close record of troubleshooting approaches for HVAC structures and plant, compiled from a couple of varied assets, and is aimed toward upkeep body of workers trying to remedy issues of particular goods of plant. every one merchandise of plant has a sequence of "symptoms" which describe diverse difficulties.

Read e-book online Facility Piping Systems Handbook: For Industrial, PDF

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Additional resources for Best Practices for Commercial Roof-Mounted Photovoltaic System Installation

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2. The new requirements describe how to properly determine a fire rating for PV systems. While the standard was changed on October 25, 2013, it is important to note that that change is not effective until October 25, 2016 so it will not have any positive effect on this problem for several years. Although rated PV systems will soon be required, it is not understood how to apply this requirement. PV systems can be so unique that there is not a simple way to determine the fire resistance rating. The testing that has been done previously only covers a limited number of PV systems.

2. The new requirements describe how to properly determine a fire rating for PV systems. While the standard was changed on October 25, 2013, it is important to note that that change is not effective until October 25, 2016 so it will not have any positive effect on this problem for several years. Although rated PV systems will soon be required, it is not understood how to apply this requirement. PV systems can be so unique that there is not a simple way to determine the fire resistance rating. The testing that has been done previously only covers a limited number of PV systems.

For each gust load case, determine the appropriate gust load area Ati and effective wind area, as follows: (1) Calculate the tributary area for the element of interest. Per the definition of effective wind area in ASCE 7-10 (ASCE 2010), the effective wind area used to determine GCp is the same as the tributary area except that the width of the effective wind area need not be taken less than one-third its length. The gust pressure is then applied on the actual area tributary to the element (Maffei 2014).

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Best Practices for Commercial Roof-Mounted Photovoltaic System Installation by Rosalie Wills, James A. Milke, Sara Royle, Kristin Steranka


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