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Fire - Fire Sprinkler System Design

Excellence - Yet Surprisingly Affordable

For over a decade, the Fire program has earned a reputation among professional engineers and designers as a best buy among programs of its kind. They demand a full set of features, a user-friendly interface, and an affordable price. And Fire delivers it all. Download the functional demonstration version today and find out why so many consider Fire the program to get.

Features

Overview

Elite's Fire Program quickly performs all necessary hydraulic calculations as required by the National Fire Protection Association (NFPA 13). Fire also estimates sprinkler head requirements, calculates optimal pipe sizes, and automatically performs a peaking analysis. Fire can handle all types of sprinkler systems (trees, grids, and hybrids) with up to 1,000 or more sprinklers and pipes. Meters and standpipes can also be analyzed.

Fire calculates the gpm water flow and velocity through all pipe sections, the gpm flow and residual pressure at each sprinkler head, the pressure losses incurred in each pipe section due to both friction and elevation changes, the maximum system demand pressure, and the total water gpm demanded by the system. The report format is designed to aid both the designer and the plan reviewer.

Calculation Method

Fire uses the Newton Raphson matrix solution technique to solve pipe networks, where each pipe is defined to flow according to the Hazen Williams formula. Calculations can be made for a given water supply pressure or they can be performed such that Fire determines the lowest water supply pressure that adequately drive the sprinkler system. Calculations are very fast and accurate. The user manual lists all the pertinent equations to allow full manual verification.

Program Input

All input is checked at the time of entry so that no improper data can be entered. If using Autodesk Building Systems or AutoCAD MEP (32-bit only), Fire can take data directly from a CAD drawing file. Upon completion of the input process, all data is saved and can be reviewed and edited whenever desired. Two types of data are requested: general project data and pipe segment data. The general project data includes the project name and location, the client name, sprinkler specifications, hazard description, density requirements, hose stream allowances, hydrant test data, and other such data. The pipe data requires that each pipe section be defined as having a beginning and ending node number. If sprinkler heads are located at the pipe nodes, then the sprinkler K-factor must be given. In addition, the pipe length, nominal size, material type, and fitting quantities and types must be entered for each pipe section. Fire contains a built-in library of pipe materials that includes cast iron, copper, steel, PVC, and many others. The pipe library allows up to 50 user defined pipe materials. Fitting equivalent lengths are automatically looked up depending upon fitting type, size, and pipe material.

Autodesk Building Systems and AutoCAD MEP Interface (1000 Node Version Only)

The Fire program can import a sprinkler piping system drawn in a .dwg file saved with 32-bit versions of Autodesk Building Systems 2006 to 2007 or 32-bit AutoCAD MEP 2008 to 2012. Importing the pipes for your system saves considerable manual input time. If the drawing has been saved with the Fire .dwt template file included in the Fire installation, node number tags will be placed on the drawing as shown in the example AutoCAD MEP screenshot below. After you run the Fire calculations, you can then export the results back to the drawing. You can right click a pipe, fitting or sprinkler in the drawing and view the calculated flow, pressure and other data in the Engineering Data section of the Design tab on the Object Properties dialog. You can even resize pipes in the drawing if they have been Autosized in the Fire calculations. The ABS and AutoCAD MEP interface is available only with 1000 node version, not the lower cost versions of Fire, and works with the 32-bit versions only.

Program Output

The Fire Program provides numerous reports including: general project data, pipe and node input data, node grouping flows, detailed pipe and sprinkler output, bill of materials, supply/demand graph, and a network summary. You can specify exactly which reports are to be printed, and all reports can be previewed on the screen. Here are just some of the available reports.

Free Update

Fire now has the capability to handle a fire pump at or near the inflow point of the the system. Fire also can calculate using metric units. These are highly significant and useful new features for Fire. This is a free update for existing users of Fire version 6.

Screenshots

 

AutoCAD MEP Drawing with Sprinkler, Fitting and Pipe Size Data Assigned Automatically by Fire


More Screenshots from Fire

 

 


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