A fire sprinkler system in Saudi Arabia controls a fire in the minutes before Civil Defense arrives. Each sprinkler head holds a glass bulb or fusible link that breaks at a set temperature, so only the heads directly over the fire open. The rest of the building stays dry. This is why an automatic fire sprinkler system limits damage instead of flooding a floor, and why NFPA 13 treats sprinklers as the primary life safety layer in commercial and industrial buildings.
Multi Goals designs, supplies, installs and commissions every fire protection sprinkler system type across the Kingdom. Based in Al Khobar and operating nationally, we size each system with full hydraulic calculations against the NFPA 13 hazard classification of your building, not a rule-of-thumb head count. Every fire sprinkler system installation ends with a witnessed hydrostatic test and a commissioning report, the documentation Civil Defense requires before it issues the occupancy certificate.
Based on our project experience, the most common cause of sprinkler rejection at Civil Defense inspection in Saudi Arabia is a hazard classification error at design stage. A warehouse designed to Ordinary Hazard density but storing flammable goods needs Extra Hazard density, and the shortfall only appears when the reviewer checks the calculations. We classify the occupancy first, then size the system, which is why our designs pass review the first time.
Our Fire Protection Services in Saudi Arabia
The right fire fighting sprinkler system depends on the temperature, the contents and the risk level of the space it protects.
Multi Goals installs all five types below, each designed to NFPA 13 and sized by full hydraulic calculation. Use this section
to identify which system your building needs before you request a quotation.
Wet Pipe Sprinkler System
The wet sprinkler system is the most common design in Saudi Arabia and the simplest to maintain. Water sits in the pipework at all times, so the moment a head opens, water discharges with no delay. This makes it the fastest responding system and the cheapest to install and service. It suits offices, hotels, malls, hospitals, apartment towers and any heated indoor space where the pipes will never drop near freezing. A wet pipe system has fewer moving parts than any other type, which also means fewer failure points at annual inspection. For most commercial buildings in the Kingdom, this is the default automatic sprinkler system we specify.
Dry Pipe Sprinkler System
A dry sprinkler system holds pressurised air or nitrogen in the pipework instead of water. When a head opens, the air escapes, the dry pipe valve trips, and water fills the pipes and discharges. The dry pipe sprinkler system exists for one reason: it protects spaces where standing water in the pipes would freeze or where the pipe route passes through an unheated area. In Saudi Arabia we install dry pipe systems in cold stores, freezer warehouses, chilled distribution centres and unheated loading canopies. The trade-off is a short delay between head activation and water discharge, so NFPA 13 limits system volume and requires the water to reach the most remote head within a set time. We size the dry pipe valve and air compressor to meet that limit.
Pre-Action Sprinkler System
A pre action sprinkler system keeps the pipes dry and adds a second safeguard: a separate detection system must confirm a fire before water enters the pipework. In a double interlock design, both the detector and the sprinkler head must operate before any water discharges. This near-eliminates the risk of accidental water release from a damaged head or a knocked pipe. We install pre-action systems in data centres, server rooms, archives, museums, control rooms, telecom exchanges and any space where a false discharge would cost more than the fire. The system requires a pre-action valve, a solenoid, a dedicated detection loop and a releasing panel, all of which we supply and commission together.
Foam Water Sprinkler System
A foam water sprinkler system injects foam concentrate into the water supply through a proportioner, so the discharge blankets a burning liquid instead of spreading it. Water alone can push a flammable liquid fire wider. The foam sprinkler system smothers the fuel surface and holds the vapour down, which is why NFPA 16 governs it separately from standard sprinkler design. We install foam water sprinkler systems in fuel storage areas, aircraft hangars, generator halls, paint booths, solvent stores and petrochemical plants. Design covers both the water demand and the foam concentrate demand, including the proportioner, the bladder tank and the concentrate reserve required for the full discharge duration.
Deluge Sprinkler System
A deluge sprinkler system uses open heads with no bulb or link, so every head in the zone discharges at once when the deluge valve opens. A detection system triggers the valve. Because the whole area is wetted instantly, the deluge fire sprinkler system is reserved for high hazard risks where fire spreads across a surface faster than individual heads could respond. In the Kingdom we install deluge systems over transformers, oil-filled equipment, aircraft hangars, chemical process areas, fuel loading gantries and petrochemical structures in Jubail and Yanbu. Deluge design demands accurate water supply calculations, because every head flows simultaneously and the peak demand is far higher than a wet pipe system of the same area.
Sprinkler System Components We Supply
Multi Goals supplies every part of the fire fighting sprinkler system from the water source to the last head. All sprinkler system components we supply are UL Listed or FM Approved and carry current Civil Defense and SASO certification:
Every component ships with manufacturer data sheets, test certificates and UL or FM listing documentation for the Civil Defense submission package.
Sprinkler System Requirements Under NFPA
Saudi Civil Defense reviews sprinkler designs against NFPA. The sprinkler system requirements
NFPA sets out start with one decision: how you classify the occupancy. That classification fixes
the design density, the operating area and therefore the water supply and pump size for the whole
building. Get it wrong and the design fails at review.
Sprinkler System Hazard Classification
| Hazard Class | Typical Buildings | Design Approach |
|---|---|---|
| Light Hazard | Offices, schools, hospitals, hotel rooms, places of worship | Lowest density, widest head spacing |
| Ordinary Hazard Group 1 | Car parks, bakeries, electronics plants, laundries | Moderate density |
| Ordinary Hazard Group 2 | Retail, workshops, machine shops, general warehouses | Higher density and demand |
| Extra Hazard Group 1 | Metal working, plywood, printing with flammable inks | High density, close spacing |
| Extra Hazard Group 2 | Flammable liquid handling, paint dipping, plastics processing | Highest density, often foam |
Alongside the hazard class, the codes that govern a compliant fire sprinkler system in Saudi Arabia are:
Multi Goals produces the full hydraulic calculation set, drawings and equipment schedules that Civil Defense requires at design approval stage, then builds exactly to the approved drawings.
Fire Pumps for Sprinkler Systems
Municipal water pressure in most Saudi Arabian buildings cannot deliver the flow a sprinkler system needs at the most remote head. Fire pumps for sprinkler systems close that gap. The pump set is sized from the sprinkler hydraulic calculation, so the pump and the sprinkler design must be engineered together, never separately.
Every pump set we install is UL Listed, NFPA 20 compliant and handed over after a witnessed three-point acceptance test recorded on the NFPA 20 Acceptance Test Form.
Our Fire Sprinkler System Installation Process
Every fire sprinkler system installation we deliver follows the same six stages, from first site visit to Civil Defense sign-off:
Fire Sprinkler System Testing and Maintenance
Civil Defense requires documented fire sprinkler system testing to NFPA 25 as a condition of annual licence renewal.
A system that was commissioned correctly still fails inspection if the test records are missing. Multi Goals runs the
full NFPA 25 schedule and issues signed certificates after every visit.
Sprinkler System Inspection and Testing Intervals
Main drain results get compared against the original commissioning figures. A drop in the reading points to a deteriorating water supply or a partly closed valve, and finding that in a routine test is far cheaper than finding it during a fire.
Sprinkler Head Types (NFPA 13)
NFPA 13 Hydraulic Calculations, Why They Are Mandatory
NFPA 13 requires full hydraulic calculations for all sprinkler systems. The calculation models the complete pipe network, applies Hazen-Williams friction loss at every pipe section, identifies the most hydraulically remote design area, and verifies that the system delivers the required design density in litres per minute per square metre over the required area at the available inlet pressure. A design without calculations is not an NFPA 13-compliant design, and will not pass the Civil Defense commissioning flow test.
Frequently Asked Questions
Get in Touch
Planning a fire sprinkler system in Saudi Arabia? Contact Multi Goals for hazard classification, hydraulic design and a fixed-price
quotation anywhere in the Kingdom. Whether you need a wet pipe system for a commercial tower, a dry pipe sprinkler system for
a cold store, a pre-action system for a data centre or a foam water sprinkler system for a fuel facility, our engineers will survey
your site, run the calculations and deliver a complete proposal within 48 hours.