Become A Fire Protection Design Engineer - Basic to Advanced

Identify fire classifications a, b, c, and d and how they guide suppression choices. Explore abc and dry powder systems for electrical and metal hazards, with sand as containment.

Explore special fire extinguishers, including dry powder and water-mist systems, with applications for kitchens and metal fires, and compare ABC and class K extinguishers and micro pump-fed options.

Learn to select fire protection systems per NFPA 10 by using tables for traveling distances across hazards and apply A and B ratings for spacing with C testing.

Position fire extinguishers in internal walls by creating a 22.9 meter radius circle for each extinguisher and locating them along extension walls near roads and recycling points.

Explore hose reel specification for fire protection, detailing mounting heights from 750 mm to 1.4 m, various hose diameters and lengths, and a 30 litres per minute flow rate.

Design a hose reel system for hospital fire protection following the design guide, considering a 300 square meter building, 50–65 mm pipe sizes, 15 meter runs, and water capacity needs.

Learn hose reel pump sizing for fire protection by identifying the remote hose field and estimating pump head with 60 l/min flow, losses, and elevation, using vertical inline multi-stage pumps.

Design wet riser systems with landing wells and pumps. Position allocations so landing wells carry 500 litres per minute, and other areas about 60 litres per minute.

Learn the landing valve design guide, covering multi-landing operation, nozzle pressure calculations, site sizing, and coverage strategies to protect buildings with multiple landing points.

Calculate pump head for a fire protection system, accounting for elevation head (30 m), friction loss at 1500 L/min, and the 100 mm suction and 150 mm discharge lines.

Explore breeching inlet design and connections for fire protection, including gate mounting limits, fire pump head requirements, and height-based connections to the fire sump for building fire brigades.

Explain pillar hydrant design and installation, noting height and stability, mounting requirements, 900 mm minimum and 1200 mm flow heights, and 60-65 mm outlet sizes with an indicator-type gate.

Design pillar hydrants with height criteria and placement within defined distances from the building, ensure pump flow rate calculations, and support external or hybrid systems while avoiding blind wall installations.

Explore the wet riser pump system and its fire pumps, including diesel and jockey pumps, duty and standby arrangements, and related pressure and flow considerations for sprinkler operations.

Compare dc and ac fire pumps and explain why a fire pump with a flat curve is preferred for reliable performance.

Describe how fire pumps maintain system pressure using jockey and main pumps, with typical pressures around 110 psa and 90, and how leaks cause pressure fluctuations and pump activation.

Explore the arrangement of a fire pump room with two pumps, suction and delivery lines, and a pressure tank.

Learn to design the fire pump electrical supply with short-circuit protection, feed from the building main, and calculations of starting current and full-load current for reliable operation and alarm coordination.

Size pressure tanks against volume using the 0.88 cubic meter constant and qmax. Consider the pressure difference between upper and lower pressures, stages, and fire pump operating hours.

Use an excel calculation sheet to model fire protection design parameters, including constant 0.3, pump flow, storage capacity, and system pressure, with a downloadable learning materials pack.

Describe sprinkler system design following codes mentioned for buildings over 30 m height, underground carparks, and floor areas above 7,000 m2.

Compare wet pipe systems with branch lines filled with water, dry pipe systems with air-filled branches, and deluge systems with open heads that release water during fire.

Explain how an automatic fire sprinkler system works, including main and jockey pumps, alarm bell, flow rate, and the arrangement of sprinkler head branch piping as shown in AutoCAD.

Explore fire sprinkler types and color codes, comparing quick response and standard response models, and learn how temperature color indicators show when sprinklers activate in upright installations.

Apply the sprinkler equation to determine flow rate in litres per minute, using K values (US type 5.6 and metric 80) to switch between US and metric units.

Explain the automatic fire sprinkler design procedure, including selecting occupancy density, planning sprinkler patterns and spacing, and calculating flow rate and maximum distances between sprinklers per applicable standards.

Define the most remote area as 1,500 square feet, then determine its width and length, yielding dimensions of 46.5 feet by 32 feet.

Explore a design example with NFPA spacing violations, calculating sprinkler coverage and maximum distances, and learn how adding sprinklers achieves required area.

Explore an NFPA-based design example that calculates sprinkler coverage using maximum distances, targets 1,500 square feet, and demonstrates sprinkler patterns and branch line arrangements.

Explain how to determine pipe sizes in an automatic fire sprinkler system, using pipe size tables, one-inch sizing examples, the frictionless Hassan William formula, and equal-length fittings.

Size sprinkler pipes with a practical example, comparing one, six, and thirteen sprinklers and pressures. Calculate flow rates from site supply using the pressure–flow equation to determine pipe sizes.

Define the sprinkler k value and k factor for ordinary hazard design. Explain how calculated k factors around 4 to 5.6 relate to a lower pressure around 10.33.

Learn to simplify fire sprinkler calculations by calculating each sprinkler's flow rate using K values, then determine pressures and flow for different sprinkler brands.

Apply a BSI code approach to size sprinkler main pipes by limiting pressure and keeping friction loss below 0.5 to ensure supply reaches the remotest pump room.

Learn to perform a sprinkler system hand calculation from identifying the most remote area to sizing sprinklers, branches, and pump capacity for ordinary hazard two, using NSB at 13.

Calculate hydraulic requirements for a sprinkler system using an Excel sheet. Identify the most remote area and compute pressure losses with the Hassan William equation, then validate pump flow.

Design remote-area sprinkler systems for fire protection, determining flow rates and most remote buildings. Use light fire software to assign node numbers that model the entire system.

Navigate the Allied fire software interface, start a new project, enter project and company data, configure sprinkler system, pipe materials, hydrant elevations, and generate the design report.

Enter data in the Firelight software demo to model sprinkler system performance, including pipe diameter one inch, length, elevation, residual pressure, and fittings such as long elbows.

Define special node by demonstrating how to integrate a four inch schedule 40 pipe with standard fittings, including elbows and a 90-degree elbow, to connect components.

Apply automatic peaking calculations to determine pressure, design densities, and residual pressure for sprinkler systems, using supply and demand inputs, damping factors, and iteration settings to generate a calculation report.

Learn how to download a functional demo version of the software, then install it, while noting the demo offers lower-cost access compared to standard prices.

Learn how a fire alarm system collaborates devices—smoke and heat detectors, manual call points, and a control panel, to detect fire, warn occupants, and meet placement criteria.

Compare addressable and conventional fire alarm systems, explaining wiring, signaling line circuits, power, communication, and supervision, and how addressable devices use IP addressing to access and monitor the system.

Explore addressable fire alarm control panels, one-loop networks, smoke and heat detectors, isolation modules, and control modules, plus gas-supply actuators and manual call points that trigger alarms.

Explore how an inert gas fire suppression system uses storage cylinders and branch line nozzles to control a fire with rapid distribution within 60 seconds.

Explore IG55 introduction to gas system and fire suppression, and a 50/50 nitrogen-argon agent, as described by the SBA 2001 standard.

Identify Class B and Class C fire protection classifications and explain why most designs target Class C.

Keep inert gas systems safe by avoiding contact with chemicals or materials capable of rapid oxidation, such as cellulose nitrate gunpowder and reactive metals like lithium, sodium, uranium, and potassium.

Learn the Ig55 design guide for fire suppression, calculating agent concentrations (35% minimum, 43–52% exposure limits), occupancy considerations, and design factors to determine required cubic feet.

Explore IG55 pipe sizing and the pipe sizing chart, covering system design limitations, pressure up to 8 bar, 60-second response, and 7.7 meter coverage for 100 cubic meters of agent.