Sprinkler design software is used to draw pipe routes and head locations and then run the hydraulic calculation that tells you the flow and pressure required from the water supply and fire pump. Alongside it sit tools for fire alarm design, loop capacity and battery sizing. The output of any program still needs engineering review against NFPA 13, NFPA 72 and the Saudi Fire Code SBC 801, and what the owner actually needs is the design package delivered under AZEIDK’s engineering design and calculations service.
Key Points
- Hydraulic calculation software works out friction loss in every pipe and the pressure and flow at the most remote operating area.
- CAD and BIM tools place the network on the drawings and coordinate it with other trades.
- Fire alarm tools help with detector layout, loop capacity, battery sizing and voltage drop.
- Manufacturer panel programming software is not design software; it configures one panel after installation.
- Results are only as good as the inputs: hazard classification, water supply data and K-factors from the datasheet.
In this article
- What Does Sprinkler Design Software Calculate?
- Categories of Fire Protection Design Software
- Examples of Sprinkler Design Software from Developers’ Own Pages
- Sprinkler Hydraulic Calculation Excel Sheets: When Are They Enough?
- Fire Alarm Design Software: What Does It Calculate?
- Why Software Output Still Needs an NFPA and SBC 801 Check
- What Should a Fire Protection Designer Deliver?
- How AZEIDK Delivers Design and Calculations
- Frequently Asked Questions
- Conclusion
What Does Sprinkler Design Software Calculate?
Sprinkler design software usually combines two jobs: drawing the system (pipes, fittings, sprinkler heads and valves) and calculating it hydraulically. The designer enters each pipe’s length, size, material and fittings, and each head’s K-factor, then defines the remote area and design density. The program then calculates pressure and flow at every node and compares demand with the water supply or pump curve.
The calculation method and its inputs are covered in our article on sprinkler hydraulic calculations. This article is about the tools: what types exist, what they add, and what they cannot do.
Categories of Fire Protection Design Software
| Category | Use | What it needs from the designer |
|---|---|---|
| Standalone hydraulic calculation programs | Tree, loop and grid sprinkler systems, fire pumps and standpipes | Manual node-by-node input and remote area selection |
| CAD/BIM drawing with built-in calculation | 3D layout calculated straight from the model and coordinated with HVAC and electrical | Current architectural drawings and coordination rules |
| Fire alarm design tools | Detector layout, loop capacity, battery sizing and voltage drop on notification circuits | Device consumption from datasheets and NFPA 72 requirements |
| Manufacturer panel programming software | Addresses, zones and cause-and-effect on a specific panel | Used after installation; not a design tool |
| Excel sheets | Quick checks on a simple calculation or on a program’s result | Documented formulas and independent review |
Examples of Sprinkler Design Software from Developers’ Own Pages
The examples below are described as their developers describe them, in no particular order. Naming them is not a ranking and does not mean they are required on any project.
- Elite FIRE by Elite Software: described on its page as software to design and analyse fire sprinkler systems. The developer states that it performs hydraulic calculations to NFPA 13 and NFPA 13R, handles trees, loops, grids and hybrids, models friction loss in each pipe with the Hazen-Williams equation, allows for fire pumps and analyses standpipe systems. The page lists a free functional demo limited to networks of up to 10 pipe sections.
- AutoSPRINK by M.E.P.CAD: described by the company as stand-alone fire protection software for Windows. Its page lists hydraulic calculations, remote area analysis by dragging the area boundary across the drawing to find the worst case, an “Optimizer” tool that previews pipe-size changes, and BIM compliance.
Other programs on the market run inside AutoCAD or Revit. Whatever you choose, go to the developer’s own page and avoid “free” copies from unofficial sites: unlicensed copies may be altered and their output will not stand up on a properly managed project.
Sprinkler Hydraulic Calculation Excel Sheets: When Are They Enough?
Many people look for an Excel sheet for sprinkler calculations. A spreadsheet is useful for checking a program’s result on a small network, or for an early comparison of options before detailed design. It becomes error-prone on looped and gridded systems, because splitting flow between paths needs the iterative solution that dedicated programs perform.
If a spreadsheet is used, its formulas should be visible, pipe and fitting values documented, and another engineer should check it. Pipe sizes and head spacing tables are in our sprinkler pipe schedule chart article.
Fire Alarm Design Software: What Does It Calculate?
Fire alarm design relies less on large programs than sprinkler design, but it still needs clear calculations:
- Detector layout by type, ceiling height and shape, as in smoke and heat detector spacing.
- Addressable loop capacity and isolator positions, covered in addressable fire alarm loop design.
- Standby and alarm battery sizing, as in fire alarm battery calculation.
- Voltage drop on sounder and strobe circuits by cable length and size.
These can be prepared with manufacturer tools or documented spreadsheets, as long as they use the real device consumption from the datasheet. Panel programming software that panel manufacturers provide for their own products, including what people search for as Esser fire alarm software (Esser products are listed on Honeywell’s site), configures that manufacturer’s panel after installation; it is not design software. The Context Plus addressable panels AZEIDK supplies are programmed to the manufacturer’s manual.
Why Software Output Still Needs an NFPA and SBC 801 Check
A program calculates what it is given. Common errors come from the inputs, not the equations:
- A wrong hazard classification changes density and operating area; see sprinkler hazard classification.
- Water supply data or a pump curve not taken from a real test or datasheet.
- A K-factor or minimum pressure that does not match the head actually supplied.
- A remote area that is not the hydraulically most demanding one.
- Ignoring equivalent lengths of fittings and valves, or elevation differences.
Software also does not decide what the building requires, such as where sprinklers are needed or what type of alarm system applies; that comes from the Saudi Fire Code, summarised in our SBC 801 guide.
What Should a Fire Protection Designer Deliver?
Whatever program is used, a sound design package includes:
- Design drawings for fire fighting and fire alarm systems with head and detector locations and pipe and cable routes.
- A hydraulic calculation report for sprinkler networks and pumps, with input data and the demand versus supply graph.
- Battery and load calculations for fire alarm systems.
- Technical specifications and bills of quantities.
- Native drawing files (DWG or BIM model) to make later shop drawings easier.
What goes to Civil Defense for approval is explained in Civil Defense fire design drawings.
How AZEIDK Delivers Design and Calculations
AZEIDK’s engineering design and calculations service covers design drawings for fire alarm and fire fighting systems within the project scope, hydraulic calculations for sprinkler networks and fire pumps, battery and load calculations for fire alarm systems, and technical specifications with bills of quantities. The work runs from collecting project requirements and code provisions, to the calculations, to drawings and specifications, to review and update of the deliverables, and follows SBC 801, NFPA 13, 14, 20 and 72 and Civil Defense requirements. Design can start from architectural drawings, with a site inspection where needed.
Frequently Asked Questions
Is there free fire sprinkler hydraulic calculation software?
Some developers offer limited demos on their official pages, such as the Elite FIRE demo limited to 10 pipe sections. Download only from the developer’s own site.
Is a sprinkler hydraulic calculation Excel sheet acceptable?
It can be used for checks or simple networks if its formulas are documented and reviewed, but looped and gridded systems are normally calculated with dedicated software.
What is the difference between sprinkler software and ordinary CAD?
CAD produces the drawing only. Sprinkler software links the drawing to the hydraulic calculation, so pressure and flow update when any pipe size or length changes.
Is Esser fire alarm system software a design tool?
Panel manufacturers’ software is used to program and configure their own panels. It does not replace design calculations such as detector layout, battery sizing and voltage drop.
Is the software output enough for Civil Defense approval?
It is one part of the design package. The whole package is reviewed: drawings, calculations and their inputs, and specifications, against SBC 801 and the standards adopted for the project.
Where can I get a fire alarm inspection form in Excel?
Inspection and test forms follow the adopted standard and the manufacturer’s manual. Under annual maintenance contracts for fire and alarm systems, inspection records are handed over after each visit.
Conclusion
Sprinkler design software and fire alarm tools cut calculation time and reduce drawing errors, but they do not choose the hazard classification or verify water supply data for the engineer. Ask for a complete design package with its inputs, and have it checked against NFPA and SBC 801 before procurement.
Need a sprinkler or fire alarm design with calculations? Send the architectural drawings and occupancy type, and the AZEIDK team will prepare the design, calculations and specifications. Contact the AZEIDK team
See the fire alarm panels and systems AZEIDK supplies.
