Lesson 1Extinguisher types and matching: water, foam, CO2, ABC dry powder, BC dry powder — principles and limitations with plastics and flammable liquidsThis covers main extinguisher types, their action on fire classes, and limits with plastics, live equipment, and flammable liquids, helping select the right ones to avoid poor or risky use.
Fire classes A, B, C, D, and K overviewWater extinguishers and plastic fire limitsFoam agents and flammable liquid coverageCO2 use on electrical and liquid firesABC and BC powders: benefits and drawbacksAgent compatibility with sensitive equipmentLesson 2Fire alarm system design basics: zoned alarm layout, manual call points, auto-detection types, interfacing with suppression and HVAC shutdownThis introduces basic fire alarm setups, including zoning plans, manual call point positions, detector choices, sounder reach, and links to suppression, lifts, and HVAC shutdowns for effective response.
Alarm zoning and building compartmentationManual call point spacing and mountingSmoke and heat detector selection basicsSounder and strobe coverage requirementsInterfacing alarms with suppression systemsHVAC shutdown and elevator recall linksLesson 3Fixed suppression and detection options: smoke/heat detectors, aspirating detectors, linear heat detectors for high-heat zonesThis reviews fixed detection and suppression choices, like point smoke and heat detectors, aspirating for early alerts, and linear heat for high-heat or hard-to-reach spots such as cable runs and conveyors.
Point smoke detector applicationsRate-of-rise and fixed heat detectorsAspirating detection for early warningLinear heat cable for harsh environmentsDetector spacing and sensitivity settingsLesson 4Specialized suppression for flammable liquid storage: foam systems, deluge, sprinkler foam applications and compatibilityThis focuses on suppression for flammable liquid storage, including foam types, deluge and sprinkler foam uses, compatibility with liquids, and measures for handling runoff contamination.
Flammable liquid storage risk assessmentFoam concentrates and expansion typesFoam sprinkler and deluge applicationsSystem compatibility with stored liquidsDikes, drains, and runoff containmentLesson 5Sprinkler considerations and wet/dry systems: when to recommend sprinklers in production and warehouse areasThis explains when sprinklers suit production and warehouse areas, comparing wet and dry systems, freeze safeguards, water needs, and how occupancy, fire load, and ceiling heights guide choices.
Criteria for recommending sprinklersWet pipe system components and usesDry pipe systems for freezing conditionsCeiling height and storage configuration impactWater supply, pumps, and tank requirementsLesson 6Portable firefighting equipment maintenance: inspection frequency, hydrostatic testing intervals, and tagging practicesThis describes upkeep for portable firefighting gear, including check frequencies, functional tests, hydrostatic intervals, refills, tagging, and records to ensure readiness and meet Namibian regulations.
Monthly visual inspection checklistAnnual service and functional testingHydrostatic test intervals by cylinder typeRefilling, recharging, and seal replacementTagging, labeling, and record retentionLesson 7Extinguisher placement plan: mounting height, signage, keeping access clear, protection from damageThis details positioning extinguishers for quick access, covering mounting heights, spacing, travel distances, signage, impact protection, and clear paths in all building zones.
Mounting height and visibility rulesTravel distance and coverage spacingSignage design and placement standardsProtecting units from impact and damageKeeping access routes free of obstructionsLesson 8Extinguisher sizing and quantity guidelines: placement density, travel distance criteria, and recommended numbers for production hall, warehouse, office, workshopThis provides advice on extinguisher sizes and numbers based on fire class, hazard level, area size, and travel distance, with examples for production halls, warehouses, offices, and workshops to comply with codes.
Determining hazard classification by areaSelecting extinguisher rating and capacityTravel distance and coverage calculationsExamples for production hall layoutsWarehouse, office, and workshop scenariosLesson 9Emergency lighting, exit signage and illuminated escape routes: illumination standards, battery backup, testingThis explains requirements for emergency lighting and exit signs, including light levels, battery types, test routines, and ensuring escape routes stay visible during power cuts and smoke conditions.
Illumination level and uniformity criteriaExit sign placement and visibility rulesCentral vs self-contained battery systemsMonthly and annual function testingMaintaining clear, lit escape pathways
