In short: most fire protection failures are visible long before a fire, if you know what to look for. Java Fire Protection’s technicians find the same faults again and again in Lebanese buildings: extinguishers without pins, locked exits, stairwells used as stores, detectors left covered after works, closed sprinkler valves, kitchen nozzles aimed at appliances that have moved, and server rooms that no longer hold their gas. This guide lists 30 of them, explains how a facilities manager can spot each one, and gives the reference behind each point. It then sets out 10 actions every property manager should take, and 10 more for anyone managing several properties. Java Fire Protection inspects, tests and maintains to the NFPA standards and Lebanon’s public safety decree, and every fault below is checked against them.

A fire protection system rarely fails all at once. It fails one small step at a time: a pin goes missing, a door is wedged open for a delivery and never closed, a new partition goes up under a sprinkler, a fryer is swapped for a larger one. None of these looks dangerous on its own. Together, they decide whether a building is protected on the day it matters.

This guide is drawn from what our Ground Teams find during inspections and surveys in Lebanon, and from Java’s internal training library of more than 90 documented fault cases that we use to train our technicians. It is written for facilities, property and HSE managers, building committees, and operators of restaurant chains, bank branches, retail networks and industrial sites in Lebanon.

The references behind this guide:

  1. NFPA 10, Standard for Portable Fire Extinguishers, and NL 406-8, Lebanon’s fire extinguisher standard (LIBNOR, adapted from NFPA 10).
  2. NFPA 101, Life Safety Code.
  3. NFPA 72, National Fire Alarm and Signaling Code.
  4. NFPA 13 and NFPA 25, for sprinkler installation and maintenance, and NFPA 20 for fire pumps.
  5. NFPA 96 and NFPA 17A, for commercial kitchens.
  6. NFPA 2001 and NFPA 75, for clean agent systems and IT rooms.
  7. NFPA 110, for emergency power rooms.
  8. Lebanon’s public safety decree: Decree No. 14293 of 2005, as amended in full by Decree No. 7964 of 2012.

Clause numbers below follow recent editions of each standard. Numbering can shift between editions, so always check the edition adopted for your building.

The 30 faults at a glance

Fire extinguishers

  1. Missing safety pin or broken tamper seal.
  2. The wrong extinguisher for the hazard.
  3. Extinguishers hidden or blocked.
  4. Mounted too high, left on the floor, or loose.
  5. Damaged cylinders, hoses or nozzles.
  6. Service overdue: no current tag, gauge out of range, test date passed.

Escape routes and fire separation

  1. Exit doors locked while the building is occupied.
  2. Stairwells used as storage.
  3. Fire doors wedged or tied open.
  4. Exit signs missing, unlit or pointing the wrong way.
  5. Emergency lighting that fails when the power goes.
  6. Corridors and exit routes obstructed.
  7. Unsealed holes in fire walls and floors.

Fire alarm and detection

  1. Detectors covered, or zones disabled.
  2. The wrong detector for the environment.
  3. Standby batteries past their replacement date.
  4. Coverage not updated after a fit-out.

Sprinklers and fire water

  1. Sprinkler control valves closed or partly closed.
  2. Sprinklers painted, covered or damaged.
  3. Storage stacked too close to sprinklers.
  4. Fire pumps left in manual mode, or with fuel or batteries run down.
  5. Fire water drawn down for domestic use.

Commercial kitchens

  1. Suppression nozzles aimed where an appliance used to be.
  2. Mesh filters instead of baffle filters.
  3. Gas appliances that bypass the shut-off valve.
  4. Grease build-up in the hood and duct.

Server rooms and critical rooms

  1. Rooms that no longer hold the clean agent.
  2. Clean agent cylinders not secured.
  3. Aspirating detection faults left unresolved.

Plant rooms

  1. Generator and electrical rooms used as stores.

1. Fire extinguishers: 6 faults

The extinguisher is the first line of response, and the easiest to neglect. NFPA 10 and NL 406-8 put the monthly inspection on the owner, and the annual maintenance on a certified technician. Most of the faults below are visible in a 30-second check.

# The fault How to spot it Why it matters Reference
1 Missing safety pin or broken tamper seal No pin through the handle, or no intact seal holding it The unit may have been used, partly discharged or tampered with NFPA 10, Chapter 7 (monthly inspection); NL 406-8
2 The wrong extinguisher for the hazard A water or foam unit beside a live electrical panel; ABC powder as the only unit in a server room; no wet chemical (Class K) unit near the fryers Water conducts electricity; powder residue damages electronics; only a Class K unit is designed for cooking-oil fires NFPA 10, fire classification and selection; NFPA 10 and NFPA 96 for Class K within 9 m (30 ft) of cooking appliances
3 Extinguishers hidden or blocked Behind cartons, pallets, furniture or parked vehicles, or with no sign showing where it is An extinguisher that cannot be seen or reached in the first minute is no use NFPA 10, Chapter 6 (installation: visible and accessible, or location signed)
4 Mounted too high, left on the floor, or loose Top of the unit above 1.53 m (5 ft) for units of 18 kg (40 lb) or less; standing on the floor; hanging from a loose bracket People cannot reach it quickly, or it gets knocked over and damaged NFPA 10, Section 6.1.3.8: top no higher than 1.53 m (5 ft), or 1.07 m (3.5 ft) for heavier units; bottom at least 10 cm (4 in) off the floor
5 Damaged cylinders, hoses or nozzles Dents, rust, pitting, a cracked or perished hose, a hose repaired with tape, a blocked nozzle A damaged cylinder can fail under pressure; a damaged hose may not deliver the agent NFPA 10, Chapter 7 (inspection and maintenance) and Chapter 8 (hydrostatic testing; failed cylinders are condemned)
6 Service overdue No service tag, or a tag more than a year old; gauge outside the green band; hydrostatic test date passed; a unit lighter than its nameplate full weight Nobody can show the unit will work NFPA 10, Chapters 7 and 8: annual maintenance; hydrostatic test every 5 or 12 years depending on type; NL 406-8

How Java complies: Java services every extinguisher to NFPA 10 and NL 406-8, checks each unit against all 6 points at every visit, and records type, location, condition and test dates for every unit.

2. Escape routes and fire separation: 7 faults

A perfect staircase is worthless if the corridor to it is full of boxes. NFPA 101 treats the way out as three connected parts: the route to an exit, the exit itself, and the route from the exit to the outside. Every part has to work.

# The fault How to spot it Why it matters Reference
7 Exit doors locked while the building is occupied Padlocks, chains or key-only locks on exit doors during working hours People directed to that exit in a fire find it locked NFPA 101, Section 7.2.1.5: egress doors readily openable from the egress side, without a key, tool or special knowledge
8 Stairwells used as storage Boxes, furniture, gas cylinders or equipment kept on landings or under the stairs The stair is the protected escape route, and storage both blocks it and adds fuel to it NFPA 101, Section 7.2.2.5.3: space within the exit enclosure must not be used for any purpose that could interfere with egress
9 Fire doors wedged or tied open Wedges, hooks, chairs or rope holding a fire door open; closers removed or disconnected An open fire door lets smoke and fire into the escape route NFPA 101, Section 7.2.1.8: self-closing doors; hold-open only by devices that release on alarm; NFPA 80 for fire door inspection
10 Exit signs missing, unlit or pointing the wrong way Dark signs, missing signs at a change of direction, arrows pointing to a dead end after a layout change In smoke, people follow the signs NFPA 101, Section 7.10 (marking of means of egress)
11 Emergency lighting that fails when the power goes Units that do not light when tested; battery packs swollen or missing In Lebanon, a power cut and a fire can come together; the escape route goes dark NFPA 101, Section 7.9: at least 1.5 hours of emergency lighting; a 30-second functional test every 30 days and a 1.5-hour test every year
12 Corridors and exit routes obstructed Storage, deliveries, furniture or displays narrowing corridors and aisles Obstructions slow evacuation and can block it altogether NFPA 101, Section 7.1.10.1: means of egress continuously maintained free of all obstructions
13 Unsealed holes in fire walls and floors Cables, pipes or ducts passing through a fire-rated wall or floor with open gaps around them Every unsealed penetration is a path for smoke and fire between compartments NFPA 101, Chapter 8 (fire barriers and the protection of penetrations)

How Java complies: Java walks every escape route on its surveys and code reviews, checks it against NFPA 101, and reports each finding with the exact clause and a priority.

3. Fire alarm and detection: 4 faults

A fire alarm system that was right on the day it was commissioned may no longer be right today. Building works, dust, power cuts and changes of layout all wear it down.

# The fault How to spot it Why it matters Reference
14 Detectors covered, or zones disabled Dust covers left on detectors after works; zones shown as “disabled” or “isolated” on the panel A disabled zone is an impaired system: a fire in that area will not raise the alarm NFPA 72, Chapter 14 (inspection, testing and maintenance; impairments)
15 The wrong detector for the environment Smoke detectors beside kitchens, car parks or workshops that keep causing unwanted alarms Repeated false alarms lead people to ignore alarms, or to disable the zone NFPA 72, Chapter 17 (detector selection and siting)
16 Standby batteries past their replacement date No date label on the battery, or a date more than four years old Frequent power cuts and generator changeovers age batteries faster; the system may not run on battery NFPA 72, Chapter 10 (2022 edition: batteries labelled with a replacement date no more than four years from installation)
17 Coverage not updated after a fit-out New partitions or false ceilings with no detector in the new room; old devices left on walls Rooms created after the original design may have no detection at all NFPA 72, Chapter 14 (reacceptance testing after changes); abandoned devices must be marked “not in service” until removed

How Java complies: Java maintains fire alarm systems to NFPA 72, Chapter 14, reviews coverage against the current layout at every visit, and never accepts disabling a zone as a fix.

4. Sprinklers and fire water: 5 faults

A sprinkler system only protects the building it was designed for. NFPA 25 puts the responsibility for inspection, testing and maintenance on the owner.

# The fault How to spot it Why it matters Reference
18 Control valves closed or partly closed A valve not fully open, or not sealed, locked or supervised, often after maintenance work A closed valve means no water reaches the sprinklers NFPA 25, Chapter 13: control valves inspected weekly where sealed, monthly where locked or electronically supervised
19 Sprinklers painted, covered or damaged Paint on the sprinkler, plastic bags or tape over it, bent deflectors, corrosion or grease loading A painted or loaded sprinkler may open late or not at all NFPA 25, Section 5.2.1.1.1: sprinklers with paint not applied by the manufacturer, leakage, physical damage, or corrosion or loading detrimental to performance must be replaced
20 Storage stacked too close to sprinklers Goods stacked up to the ceiling, within 457 mm (18 in) of the sprinkler deflectors The spray cannot develop and reach the fire NFPA 13: storage kept more than 457 mm (18 in) below sprinkler deflectors
21 Fire pumps left in manual mode, or with fuel or batteries run down Controller switched to manual or off; low diesel day tank; weak starting batteries The pump will not start automatically when the sprinklers open NFPA 25, Chapter 8 (weekly no-flow run for diesel pumps); NFPA 20
22 Fire water drawn down for domestic use A shared tank with the domestic outlet at the bottom; a tank level well below the fire reserve The water reserved for firefighting is gone when it is needed NFPA 22 (water tanks for private fire protection); the fire reserve must be protected from domestic use

How Java complies: Java carries out the NFPA 25 programme, checks all 5 points at every visit, and reports every impairment with a clear recommendation, so that a closed valve is corrected rather than simply noted.

5. Commercial kitchens: 4 faults

Kitchens change more often than any other space we protect. A new fryer, a moved grill or a new menu can leave part of the cooking line unprotected.

# The fault How to spot it Why it matters Reference
23 Suppression nozzles aimed where an appliance used to be A nozzle pointing at empty space or at the wrong appliance; a new appliance under the hood with no nozzle above it The agent discharges where the fire is not NFPA 96: protected appliances must not be moved, modified or rearranged without re-evaluation by the installer or servicing company
24 Mesh filters instead of baffle filters Woven mesh filters in the hood, or filters that are missing or laid flat Mesh traps grease and can carry fire into the duct NFPA 96: listed grease filters; mesh only as part of a listed hood or with a primary filter; installed at least 45° from horizontal
25 Gas appliances that bypass the shut-off valve An LPG cylinder connected directly to a saj, broiler or burner instead of through the supply line When the system fires, that appliance keeps burning NFPA 96 and NFPA 17A: automatic shut-off of fuel to all appliances under the hood
26 Grease build-up in the hood and duct Visible grease deposits on the hood, plenum and filters; no record of duct cleaning Grease carries fire out of sight into the duct NFPA 96: exhaust inspected monthly for solid fuel, quarterly for high-volume cooking, semiannually for moderate volume, annually for low volume, and cleaned whenever deposits are found

How Java complies: Java services every kitchen system at least every six months to NFPA 17A and NFPA 96, checks nozzles against the current appliance layout at every visit, and confirms that every gas appliance is fed through the shut-off valve.

6. Server rooms and critical rooms: 3 faults

A clean agent system is only as good as the room around it.

# The fault How to spot it Why it matters Reference
27 Rooms that no longer hold the clean agent New cable or pipe penetrations left open, a new door or door seal, a raised floor or false ceiling opened up The agent leaks out before the fire is fully extinguished NFPA 2001: enclosure integrity; at least 85% of the minimum design concentration held at the height of the highest protected equipment for 10 minutes
28 Clean agent cylinders not secured Cylinders standing loose, brackets removed, straps missing An unsecured pressurised cylinder can move or fall on discharge, and pipework can be damaged NFPA 2001 (system installed to the manufacturer’s listed design and installation manual, including container mounting)
29 Aspirating detection faults left unresolved Airflow or pipe-blockage faults showing on the detector; fault lights ignored for weeks The earliest warning in the room is not working NFPA 72 (installation and testing of air-sampling detection); NFPA 76 (very early and early warning detection levels)

How Java complies: Java integrity-tests clean agent rooms to NFPA 2001, repeats the test whenever the enclosure changes, and checks cylinders, mountings and detection at every service.

7. Plant rooms: 1 fault

# The fault How to spot it Why it matters Reference
30 Generator and electrical rooms used as stores Cartons, furniture, spare fuel or cleaning materials stored beside generators, switchgear or UPS units Fuel, heat and electricity meet stored combustibles, and access to the equipment is blocked NFPA 110, Section 7.2.1.2: for Level 1 emergency power systems, only the emergency power supply equipment is permitted in the room; Java recommends the same discipline for every generator room

How Java complies: Java checks every generator, electrical and plant room on its surveys and flags any storage for removal.

10 actions every property manager should take

Most of these take minutes, not days. They are drawn from the standards above and from the faults our teams find most often.

  1. Check every extinguisher monthly. In place, visible, gauge in the green, pin and seal intact, no damage. This is the owner’s duty under NFPA 10 and NL 406-8.
  2. Walk every escape route monthly. Exit doors unlocked while occupied, stairwells clear, fire doors closed, corridors free of storage (NFPA 101, Sections 7.1.10.1, 7.2.1.5 and 7.2.2.5.3).
  3. Test emergency lighting. A 30-second test every 30 days and a 1.5-hour test every year (NFPA 101, Section 7.9).
  4. Check that sprinkler control valves are open and secured. Weekly where sealed, monthly where locked or supervised (NFPA 25).
  5. Never leave detectors covered or zones disabled. If works need it, agree an impairment procedure with your fire protection company and restore the system the same day (NFPA 72).
  6. Tell your fire protection company before anything changes. A fit-out, new partitions, a change of use, new kitchen appliances or new storage can all invalidate the protection (Decree 14293/2005, Article 4(1); NFPA 96; NFPA 25).
  7. Keep storage clear of fire equipment. At least 457 mm (18 in) below sprinkler deflectors (NFPA 13), and never in front of extinguishers, hose reels or panels (NFPA 10).
  8. Keep generator and electrical rooms free of storage (NFPA 110, Section 7.2.1.2, for Level 1 systems; good practice for all).
  9. Keep the records. Every inspection, test and maintenance visit, with dates and findings. Under Article 4(4) of the decree, the owner is responsible for periodic maintenance, and the records are how you show it.
  10. Brief your staff and run drills. People need to know the alarm, the exits and the assembly point (NFPA 101, Sections 4.7 and 4.8).

10 actions every multi-property manager should take

For bank branch networks, restaurant chains, retail groups and property portfolios, the risk is inconsistency: one well-run site and five forgotten ones.

  1. Adopt one standard for every site. Lebanon’s decree requires a single source per safety subject (Article 3); apply the same NFPA references across the whole portfolio.
  2. Use one checklist everywhere. The same monthly checks, in the same order, at every site, so results can be compared.
  3. Keep one asset register. Every extinguisher, alarm panel, sprinkler system and kitchen system, by site, with its type, location and service and test dates (NFPA 10, NFPA 25, NFPA 72 and NFPA 17A record requirements).
  4. Align maintenance to one schedule. Plan every site’s visits to the NFPA frequencies, so nothing falls between contracts.
  5. Name a responsible person at every site. Back them with trained fire wardens and a central safety lead.
  6. Standardise equipment by hazard. The same extinguisher types and kitchen systems for the same hazards across sites make spares, training and checks simpler.
  7. Control changes centrally. No fit-out, appliance swap or change of use at any site without a fire protection review (Decree 14293/2005, Article 4(1); NFPA 96).
  8. Track every deficiency to closure. One central list, ranked by priority (correct now, plan, recommend), with an owner and a date for each item.
  9. Compare sites with leading indicators. Inspections completed, deficiencies open, actions closed on time. Leading indicators show where to act before something goes wrong (OSHA 3970, Using Leading Indicators to Improve Safety and Health Outcomes).
  10. Keep certificates ready for every site. Landlords, insurers and auditors ask for them, often at short notice.

How Java applies this guide

Java Fire Protection checks for all 30 faults during its inspections, maintenance visits and surveys, against the references above.

Area Faults What Java does
Fire extinguishers 1–6 Services to NFPA 10 and NL 406-8, and records every unit.
Escape routes and fire separation 7–13 Walks every route and reports against NFPA 101, clause by clause.
Fire alarm and detection 14–17 Maintains to NFPA 72 and reviews coverage against the current layout.
Sprinklers and fire water 18–22 Carries out the NFPA 25 programme and reports every impairment.
Commercial kitchens 23–26 Services every six months to NFPA 17A and NFPA 96, and rechecks nozzles against appliances.
Server and critical rooms 27–29 Integrity-tests to NFPA 2001 and retests when the room changes.
Plant rooms 30 Flags storage for removal.

Our approach

We train our technicians to recognise faults, not only to service equipment. Every Java technician learns from our internal library of more than 90 documented fault cases, and we are building a photographic record of what our Ground Teams find on Lebanese sites. When we find a fault, our report says what it is, where it is, the requirement it breaks, why it matters, what to do and how urgent it is.

For clients with many sites, we standardise checks, records and maintenance schedules across every branch, and our Priority Partner programme brings extinguishers, systems and certificates under one long-term agreement.

Not sure how many of these 30 faults are in your building? Speak with our team about a site inspection.

Frequently asked questions

What are the most common fire safety faults in Lebanese buildings?

In our experience: extinguishers with missing pins or overdue service, extinguishers blocked by storage, locked or obstructed exits, stairwells used as storage, fire doors wedged open, detectors left covered after works, closed sprinkler valves, and kitchen suppression nozzles that no longer match the appliances below them.

How often should a property manager check fire safety equipment?

Monthly at a minimum: extinguishers (NFPA 10 and NL 406-8), escape routes and emergency lighting (NFPA 101, Section 7.9), and kitchen suppression systems (NFPA 17A). Sprinkler control valves are checked weekly or monthly depending on how they are secured (NFPA 25). A certified technician then carries out the annual maintenance and the periodic tests.

Is it legal to lock an exit door at night in Lebanon?

Exit doors must be readily openable from the inside whenever the building is occupied, without a key or special knowledge (NFPA 101, Section 7.2.1.5). When the building is empty, securing it is a different question. If a door must be secured while people are inside, NFPA 101 permits specific arrangements, such as listed panic hardware or delayed-egress locking, depending on the occupancy.

Can we store things in the stairwell if the stairs stay passable?

No. NFPA 101, Section 7.2.2.5.3, does not allow space within an exit enclosure to be used for any purpose that could interfere with egress, and storage is the example its annex gives.

Can fire doors be held open?

Only by hold-open devices that release the door automatically when the fire alarm or a smoke detector operates (NFPA 101, Section 7.2.1.8). Wedges, hooks and ties are not acceptable.

How close can storage be to sprinklers?

Keep storage more than 457 mm (18 in) below the sprinkler deflectors (NFPA 13). Some storage arrangements and sprinkler types need more clearance, so check with your fire protection company.

Who is responsible for fixing these faults: the owner or the tenant?

Under Article 4(4) of Lebanon’s public safety decree, the owner, or the owners’ association, is responsible for the periodic maintenance of the building and its equipment. As the employer, the tenant is responsible for its own workplace and staff. Shared systems such as the fire alarm, sprinklers and escape routes often depend on the lease, so set out in writing who maintains what.

References

Standards

  • NFPA 10, Standard for Portable Fire Extinguishers, 2026 edition (some jurisdictions still apply the 2022 edition).
  • NL 406-8, Lebanese standard for the inspection, maintenance and recharging of fire extinguishers, LIBNOR (adapted from NFPA 10).
  • NFPA 101, Life Safety Code, 2024 edition (a 2027 edition has since been published).
  • NFPA 80, Standard for Fire Doors and Other Opening Protectives.
  • NFPA 72, National Fire Alarm and Signaling Code, 2022 edition (the 2025 edition is now current).
  • NFPA 13, Standard for the Installation of Sprinkler Systems, 2025 edition.
  • NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection, 2025 edition.
  • NFPA 22, Standard for Water Tanks for Private Fire Protection, 2023 edition.
  • NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems, 2026 edition.
  • NFPA 96, Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, 2024 edition.
  • NFPA 17A, Standard for Wet Chemical Extinguishing Systems, 2024 edition.
  • NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems, 2025 edition.
  • NFPA 75, Standard for the Fire Protection of Information Technology Equipment, 2024 edition.
  • NFPA 76, Standard for the Fire Protection of Telecommunications Facilities, 2024 edition.
  • NFPA 110, Standard for Emergency and Standby Power Systems.