INSIDE THIS ISSUE: s Manual Hydraulic Calculations – Why You Need to Know How s Non-Uniform Hydraulic Calculations – Stepped Ceilings s Fire Sprinkler Plan Review – First Steps s NFSA’s Sprinkler System Hydraulics Training – Way Ahead JOURNAL OF THE NATIONAL FIRE SPRINKLER ASSOCIATION contents J\gk\dY\iÆFZkfY\i)'(*ef%(/' ON THE COVER Over the years, hydraulically calculating the water supply necessary to meet ﬁre sprinkler system demand has become widely recognized as the most efﬁcient, cost-effective design approach. As such, in recognition of the important role hydraulics play in the layout, function and efﬁciency of ﬁre sprinkler systems, in large part, the articles in this issue follow a “hydraulics” theme. IN THIS ISSUE FEATURES ADVERTISERS Anvil International 44 ARGCO 45 CoverXSecurity 38 Darley 46 Ferguson Fire & Fabrication 14 Fire Protection Products 28 Flexhead Industries General Air Products 6 25 Hydraulic Calculations — Why We Need to Know How to Perform Them Manually by Roland Asp 29 4 Ways to Turn Your Company into an Innovation Machine by Terry Jones 33 39, 41, 43 HRS Systems Notes from the Fire Scene by Vickie Pritchett 40 Hydro Flow Products, Inc. 27 PHD Manufacturing, Inc. 22 Reliable Automatic Sprinkler Co., Inc. IFC Shanghai Vision Mechanical Joint, Inc. 24 System Sensor BC Tyco Fire & Building Products, Inc. IBC Victaulic 5 Viking 2 Xerxes 4 DEPARTMENTS 3 From the President’s Desk – by Russell P. Fleming, P.E. Appreciating Hydraulic Calculations 4 Calendar 7 From the Boardroom – by Dennis C. Coleman Introspective 9 Contractor’s Cue 11 Education – by Jim Lake NFSA Leads the Way on Training in Sprinkler System Hydraulics 15 Technically Speaking – by Victoria B. Valentine, P.E. Non-Uniform Hydraulic Calculations: Stepped Ceilings 19 Code Corner – by Jeff Hugo, CBO Submittal Review — First Step in Reviewing Fire Sprinkler Documents 23 Membership – by Jim Lake NFSA Future Leadership Committee 24 New Members 31 ITe M – by Jason Webb Rules and Responsibilities in NFPA 25 35 HQ News 38 People 39 Regional Roundup 46 NFPA News 48 Sprinkling of News EDITOR ADVERTISING COORDINATOR JOANNE GENADIO DESIGNER JOHN L. SULLIVAN/SULLIVANDesign SQ (ISSN 1050-4958) (USPS 524-010) is published six times a year (February - April - June - August - October - December) by the National Fire Sprinkler Association, Inc., 40 Jon Barrett Road, Patterson, NY 12563. Telephone: (845) 878-4200. Subscription free to all NFSA members and member companies. ©2013, NFSA, Inc. Second-Class postage paid at Mahopac, NY. POSTMASTER: Send address changes to: NFSA, 40 Jon Barrett Road, Patterson, NY 12563 www.nfsa.org DAVID J. VANDEYAR 1