FIRE PROTECTION on firefighting Lecture 2.pptx

FIRE PROTECTION lecture in firefighting course

1. FIRE PROTECTION COURSE

2. LECTURE (2) Classification of fire protection hazard occupancies, system classes & hydraulic criteria.

3. INTROUCTION The fire is classified according to the occupancy , the standard concerned with classification according to NFPA #13 The occupancy classification for this standard shall be related to sprinkler design , installation and water supply requirements. FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 3

4. CLASSIFICATION OF HAZARDS 1- Light Hazard Occupancy 2- Ordinary Hazard Occupancy (Group 1) 3- Ordinary Hazard Occupancy (Group 2) 4- Extra Hazard Occupancy (Group 1) 5- Extra Hazard Occupancy (Group 2) FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 4

5. The following occupancies shall be protected as light hazard occupancy: Quantity of combustibles are low and/or combustibility of contents are with low rates of heat release expected. 1. LIGHT HAZARD occupancy FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 5

6. ( 9 ) Museums (1 ) Nursing or convalescent homes (1 1 ) Offices, including data processing (1 2 ) Residential (1 3 ) Restaurant seating areas (1 4 ) Theaters and auditoriums, excluding stages and prosceniums (1 5 ) Unused attics (1) Animal shelters ملاجئ حيوانات (2) Churches (3) Clubs ( 4 ) Educational ( 5 ) Hospitals, including animal hospitals and veterinary facilities ( 6 ) Institutional ( 7 ) Kennels بيوت الكلاب ( 8 ) Libraries, except large stack rooms 1- light hazard occupancies according to nfpa #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 6

7. The following shall be protected as ordinary hazard group (1) occupancy criteria. Quantity of combustibles are moderate and Combustibility of contents are low with Storage heights 8 feet (2.4m) or less and Moderate rates of heat release expected. FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 2. Ordinary hazard (group 1) 7

8. Ordinary hazard (group 1) occupancies include occupancies having usage and conditions similar to the following (1) Automobile parking and showrooms (2) Bakeries (3) Beverage manufacturing (4) Canneries مصانع تعبئة الطعام (5) Dairy products manufacturing and processing مصانع الالبان (6) Electronic plants 2- ORDINARY HAZARD (GROUP1) Occupancies ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 8

9. (7) Glass and glass products manufacturing (8) Laundries (9) Mechanical rooms. (10) Restaurant service area (kitchen). 2- ORDINARY HAZARD (GROUP1) Occupancies ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 9

10. The following shall be protected as ordinary hazard group (2) occupancy criteria. Quantity of combustibles are moderate with high combustibility of contents with storage heights do not exceed 12 feet (3.7m) and expected moderate to high rates of heat release . 3. ORDINARY HAZARD (GROUP 2) FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 10

11. (1) Agricultural facilities (2) Barns and stables الحظائر والإسطبلات (3) Cereal mills مطاحن الحبوب (4) Chemical plants — ordinary (5) Confectionery products مصانع الحلويات (6) Distilleries معامل التقطير (7) Dry cleaners (8) Exterior loading docks (9) Feed mills مصانع علف (10) Horse stables 3- ORDINARY HAZARD (GROUP2) OCCUPANCIES ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 11

12. (11) Leather goods manufacturing (12) Libraries — large stack room areas (13) Machine shops (14) Metal working (15) Mercantile (16) Paper and pulp mills (17) Paper process plants (18) Piers and wharves (19) Plastics fabrication, including blow molding, extruding, and machining; excluding operations 3- ORDINARY HAZARD (GROUP2) OCCUPANCIES ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 12

13. (20) Post offices (21) Printing and publishing (22) Racetrack stable/kennel areas أماكن سباقات الاحصنة والكلاب (23) Repair garages (24) Resin application area مصانع المنتجات الصمغية (25) Stages (26) Textile manufacturing 3- ORDINARY HAZARD (GROUP2) OCCUPANCIES ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 13

14. (27) Tire manufacturing (28) Tobacco products manufacturing مصانع التبغ (29) Wood machining (30) Wood product assembly 3- ORDINARY HAZARD (GROUP2) OCCUPANCIES ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 14

15. The following shall be protected as extra hazard group (1) occupancy criteria. Quantity of combustibles are very high and combustibility of contents are also high with high rates of heat release expected quantities are small with flammable/combustible liquids present. 4. EXTRA HAZARD (GROUP 1) FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 15

16. (1) Aircraft hangars (except as governed by NFPA 409) (2) Combustible hydraulic fluid use areas (3) Die casting سباكة المعادن (4) Metal extruding صهر المعادن (5) Plywood and particleboard manufacturing مصانع كبس الخشب (6) Printing [using inks having flash points below 100°F (38°C)] (7) Rubber reclaiming, compounding, drying, milling, vulcanizing (8) Saw mills مصانع النشارة (9) Textile material manufacture. (10) Upholstering with plastic foams التنجيد بالفايبر 4- EXTRA HAZARD (GROUP 1) OCCUPANCIES ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 16

17. The following shall be protected as extra hazard group (2) occupancy criteria. Quantity of combustibles are very high with combustibility of contents, very high also with high rates of heat release expected. Flammable/combustible liquids are moderate to large quantities, present or contents are shielded. 5. EXTRA HAZARD (GROUP 2) FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 17

18. (1) Asphalt saturating (2) Flammable liquids spraying (3) Flow coating دهان ( 4 ) Open oil quenching تبريد بالزيت ( 5 ) Plastics manufacturing ( 6 ) Solvent cleaning مذيبات التنظيف ( 7 ) Varnish and paint dipping الدهان بالغمر ( 8 ) Car stackers and car lift systems with 2 cars stacked vertically 5- EXTRA HAZARD (GROUP 2) OCCUPANCIES ACCORDING TO NFPA #13 FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 18

19. FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 19

20. FIRE PROTECTION OCCUPANCY CLASSIFICATIONS 20

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22. storage Commodity Classes. STORAGE COMMODITY CLASSES 20.4.1* Class I. 20.4.2* Class II 20.4.3* Class III. 20.4.4* Class IV. 20.4.7 Group C Plastics . 20.4.6 Group B Plastics. 20.4.5.1 * Group A Plastics. 22

23. storage Commodity Classes. 20.4.1* Class I A Class I commodity shall be defined as a non-combustible product that meets one of the following criteria: (1) Placed directly on wood pallets (2) Placed in single-layer corrugated cartons, with or without single-thickness cardboard dividers, with or without pallets (3) Shrink-wrapped or paper-wrapped as a unit load with or without pallets single-layer corrugated cartons Wood pallets single-thickness cardboard 23

24. storage Commodity Classes. 20.4.2* Class II A Class II commodity shall be defined as a non - combustible product slatted wooden crates , solid wood boxes . Multiple-layered corrugated cartons , or equivalent combustible packaging material. With or without pallets. 24

25. storage Commodity Classes. 20.4.3* Class III. 20.4.3.1 A Class III commodity shall be defined as Product fashioned from wood, paper, natural fibres, or Group C plastics with or without cartons, boxes, or crates and with or without pallets . 25

26. storage Commodity Classes. 20.4.4* Class IV. 20.4.4.1 A Class IV commodity shall be defined as a product, with or without pallets, that meets one of the following criteria: (1) Constructed partially or totally of Group B plastics (2) Consists of free-flowing Group A plastic materials 26