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Front Cover & Table of Contents

July 2010

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• Solar Thermal Water Heating: Opportunity Knocks
  Jeffrey Ross-Bain, PE, LEED AP, BEM P
  
  Water heating represents about 3.5 percent of all U.S. energy use, and the potential energy savings from the deployment of solar thermal systems is substantial. Heating water with the sun’s energy is not new, is not untested, and does not require a designer
  to leap into unknown technical territory. This article introduces various specifics about heating water with the sun, describes some of the system types, introduces basic design and sizing principles, provides industry reference documents, and encourages plumbing designers to remain competitive by learning these systems and being able to offer solar thermal solutions where applicable.
• Benefits of BIM for Plumbing and Fire Protection Engineers
  Sean Rains
  BIM (building information modeling) is one of the largest and most rapidly growing developments in the MEP industry, yet many engineering firms have not gotten involved for various reasons. Numerous articles have been devoted to the trends and benefits of BIM modeling. However, few have been devoted to how BIM directly relates to plumbing and fire protection design, so this article looks specifically at some of the factors that make BIM beneficial in those industries.
• Rainwater Harvesting, Part 2: Treating Harvested Rainwater and System Design
  Peter S. Cartwright, PE
  In this follow-up to the June 2010 cover story, the author delves into how to treat harvested water, including methods such as microfiltration, ultrafiltration, nanofiltration, reverse osmosis, activated carbon adsorption, disinfection, and ultraviolet irradiation. He also discusses some system design, monitoring, and reporting requirements, as well as how rainwater harvesting can help designers obtain LEED points for water efficiency.

Getting Technical

• Lessons Learned
  How Can You Make an Impact?
• Hydronics for Plumbing Engineers
  Alternative Piping Systems
• The Green Column
  Net-Zero, Off-the-Grid, and Regenerative Buildings
• Designer’s Notebook
  What a Plumbing Designer Needs to Know to Start a Project

ASPE Report

• ASPE Report
  From the President’s Pen
  Society News
  New CPDs
  From the Executive’s Desk
  New ASPE Members

Perspectives

• From the Publisher
  Some Exciting News!
• The World of Design/Build
  To LEED or Not to LEED? Cost Becomes the Question.

Reader Services

• Reader Services
  Classifieds
  Advertisers Index

Continuing Education

• Continuing Education
  Recirculating Domestic Hot Water Systems
  Continuing Education Questions
  Continuing Education Answer Sheet and Application Form