Ordinary Hazard Commercial / industrial occupancies Group 1 Creameries, Offices, Cement Works Group 2 Potteries, Engineers, Bakeries Group 3 Paper Mills, Plastic Manufacturing, Department Stores, Textiles Group 4 Distilleries, Theatres, Cotton Mills High Hazard Commercial / … Extra (high) hazard areas are locations where the quantity and combustibility of Class A combustible material is high or where high amounts of Class B flammables are present. Ordinary Hazard (Group 2). Fire is a process which involves chemical reaction between com. i.e High Hazard required more water, in higher quantities in a shorter time. Ordinary Hazard (Mills, Manufacturing, Processing, Machine Shops, Repair Garages, Post Offices, Bakeries, Wood Machining and Assembly, Auto Parking, etc.) 130 SF per head: 15 ft: Extra Hazard (Plastic Processing, Chemical Spraying, Metal Extruding, Printing, Varnishing, Painting, etc.) An automatic sprinkler system shall be provided in buildings, or portions thereof, where cellulose nitrate film or pyroxylin plastics are manufactured, stored or handled in quantities exceeding 100 pounds (45 kg). For Ordinary Hazard Group 1 and sprinklers spaced at 130 sqft, a K8.0 sprinkler requires 5.1 psi less than a K5.6 sprinkler (7.0 psi vs 12.1 psi). Furniture including timber, cane and composite, where foamed rubber or plastics are incorporated. 3.3 The requirements in these guidelines do not apply to any building 3 SCOPE 3.1 The requirements in these guidelines are only applicable to buildings having hazard classification of Ordinary Hazard Group I, II or III under SS CP 52. 3 SCOPE 3.1 The requirements in these guidelines are only applicable to buildings having hazard classification of Ordinary Hazard Group I,II or III under SSCP 52. The 3 main hazzard classifications are : Light Hazard; Ordinary (OH1 – OH3) High Hazard; The main difference between the 3 categories is the volumes of water and storage required increases with the hazard classifications. C Ordinary Hazard, Group 2-Storage rooms (ceiling height 12 feet or less)1-Soiled linen rooms 1 Meeting the criteria for quantity/combustibility of contents for an ordinary, group 1 hazard. Fire-lighter and fireworks manufacture and warehousing. 65 sprinklers 100 mm (4in.) Pipe Schedule: Ordinary Hazard Pipe Schedule Steel 25 mm (1in.) Throughout the whole building if any part of the building has an, Occupancies of excessive hazard (see Note 3), For the purposes of this Table, occupancies of excessive. F1-3/4” (19mm) adjustment (Ordinary Hazard only) F2-1/2” (13mm) adjustment FP-1/2” (13mm) adjustment Listings and Approvals cULus Listed *Chrome and white polyester finish is supplied with white link regardless of temperature rating Max. glass-bulb sprinklers designed for use. Vinyl, plastic, foamed plastic, rubber and other. occupancies where quantity and combustibility of contents is moderate, stock. Extended Coverage Light and Ordinary Hazard. Ordinary Hazard Group 2 Occupancies. PRESSURE psi (bar) MIN. General. Group 2. Ordinary hazard Group 2 occupancies include the aforementioned dry cleaners, automobile repair and services areas, auditorium stages, woodworking plants, post offices, and stack room areas of libraries. cULus LISTING DESIGN - USE REQUIREMENTS FOR ORDINARY HAZARD ONLY CROSS SECTION NOMINAL “K” FACTOR THREAD SIZE LENGTH FINISHES cULus 11.2 (160 metric) 3/4”NPT (20mm) 2 7/16” (6.2cm) Factory Bronze Chrome White Polyester3 Black Polyester2,3 X RESPONSE SIN STYLE TEMPERATURES MAX. 40 sprinklers 90 mm (3 ½in.) Ordinary hazard group (2) occupancy Spaces with moderate to high quantity and combustibility of contents or Stockpiles of contents with moderate to high combustibility that do not exceed 3.7 m. Examples: Dry cleaners, feed mills, barns or stables, textile manufacturing, and etc. NFPA 13:5.2 and A.5.2 “...quantity and/or combustibility of contents is low and fires with relatively low rates of heat release are expected.” Extended Coverage Upright and. Extra hazard group … Foam plastic and foam plastic goods manufacture, processing and warehousing (e.g. (25 of 27), Fire Protection Association - Publication Index | NBS. Ordinary hazard (Group 2) occupancies shall be defined as occupancies or portions of other occupancies where the quantity and combustibility of contents are moderate to high, stockpiles of contents with moderate rates of heat release do not exceed 12 ft (3.7 m), and stockpiles of The main difference between the 3 categories is the volumes of water and storage required increases with the hazard classifications. FLOW gpm (lpm) MIN. This same methodology applies to extended coverage sprinkler requirements, specific densities for traditional storage design, and more. TYCO Series EC-11 and EC-14. 20 sprinklers 80 mm (3in.) Create a free website or blog at WordPress.com. AUTOMATIC SPRINKLER DENSITIES AND HOSE STREAM DEMANDS. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Translated, this shorthand means 0.10 gallons per minute per square foot over A key principle in understanding hydraulic design is density, usually referenced in the . 2 (4.1/139 or 8.3/204 mm/ min/m. shorthand version, such as 0.10/1,500 or 0.21/2,200 gpm/ft. Building Code Resource Library 7 December 26, 2009 SPRINKLER PROTECTION BASICS: HAZARD CLASSIFICATION They are intended for use in automatic. Ordinary hazard locations could be offices, malls, light manufacturing or research operations, parking garages, workshops, or maintenance/service areas. moderate rate of heat release are expected. The prerequisites for sustained burning are: • Combustible fuel • Oxygen • Heat for ignition • Uninterrupted chemical reactions To extinguish a fire, at least one. Textiles raw and finished, eg, rolled cloth, clothing and manchester. Providing a information resource for building services professionals, Throughout class 1 – 9 buildings if any part of the building has an effective height of more. PRESSURE psi (bar) GL1121 UPRIGHT 11 (3.4) 13840 Upright VK570 3/4 20 14.0 202 175 psi (12 bar) 2-7/16 62 Maximum Sprinkler Spacing L x W5 Maximum Area per Sprinkler Minimum Water Supply Requirements (cULus only) cULus/NYC Listings3,4,7 (See Design Criteria.) AREA OF COVERAGE LENGTH x WIDTH Feet (Meters) i.e High Hazard required more water, in higher quantities in a shorter time. As required by Section 11.2.3.2.4, 1500 square feet is increased by 30% to 1950 square feet (1500 x 1.3 = 1950) for the steeply pitched roof. 90-130 SF per head (based on obstructions and flow calcs) 12 ft Pendent Sprinklers are decorative. Ordinary hazard (Group 2) occupancies shall be occupancies or portions of other occupancies where the quantity and combustibility of contents is moderate to high, stockpiles do not exceed 12 ft (3.7 m), and fires with moderate to high rates of heat release are expected. Throughout class 1 – 9 buildings if any part of the building has an effective height of more vinyl floor coverings). 5 sprinklers 50 mm (2in.) 3.3 The requirements in these guidelines do not apply to any building housing extra hazard. APPENDIX B OCCUPANCY HAZARD CLASSIFICATION FOR DETERMINING. F1-3/4” (19mm) adjustment (Ordinary Hazard only) FP-1/2” (13mm) adjustment Listings and Approvals cULus Listed for Light and Ordinary Hazard cULus Listed as Corrosion Resistant Max. 3 sprinklers 40 mm (1 ½in.) furniture factory). 2 sprinklers 32 mm (1 ¼in.) Hazard Group 3: A category of microorganisms from the UK’s Advisory Committee on Dangerous Pathogens which corresponds to Biohazard Level 3 organisms, which the ACDP defines as biological agents that can cause severe human disease and present a serious hazard to employees. hazardous processes or storage including the following: Cane furnishing manufacture, processing and storage. than 25 m. The type of sprinkler system to be installed will depend on the hazard classification of the building according to the NCC. 13722 Pendent VK572 3/4 20 14.0 202 175 psi (12 bar) 2-7/16 62 Maximum Sprinkler Spacing L x W5 Maximum Area per Sprinkler Minimum Water Supply Requirements (cULus only) cULus/NYC Listings3,4,7 (See Design Criteria) Ordinary Hazard Group I Ordinary Hazard Group II Flow / Pressure Flow / Pressure Pendent Standard Response VK572 JUMP TO FULL CODE CHAPTER. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Ordinary Hazard Group I Ordinary Hazard Group II Flow / Pressure Flow / Pressure Upright Standard Response VK570 Woodwool and other flammable loose fibrous material manufacture. Ordinary hazard Group 2 occupancies include the aforementioned dry cleaners, automobile repair and services areas, auditorium stages, woodworking plants, post offices, and stack room areas of libraries. Unlikely to cause human disease. FLOW RATING gpm (lpm) MIN. Standard sprinklers protecting all ordinary hazard occupancies shall not cover an excess of 130 square feet per head (Table 8.6.2.2.1(b). home > ufgs criteria - index > > appendix b. occupancy hazard classification for determining automatic sprinkler densities and hose stream demands APPENDIX A. REFERENCES-continued - 3_600_010095 Ordinary Hazard Group 2 Occupancies Electronics assembly and repair. Hydrocarbon based sheet product, manufacture, processing and warehousing (e.g. contents is moderate, stockpiles do not exceed 3.7 m (12 ft), and fires with. ... coverage area and hazard group for all of the sprinklers in the design area. or Pend. Occupancies or portion of. UFC 3-600-01. 160 sprinklers 150 mm (6in.) Total area protection(Ap) : 1500 ft² figure 7-2.3.1.2 area/density curves. of the four prerequisites must be removed. B-1. Hydraulic calculation NFPA 13 Hazard classification : Ordinary hazard group 1 Area coverage by sprinkler(As) : 130 ft² Density(D) : 0.15 gpm/ft² figure 7-2.3.1.2 area/density curves. Paper storage (all forms of new or waste) (e.g. customized approach to match the sprinkler system to the hazard that it protects. piles do not exceed 12 feet (4 m), and fires with moderate rate of heat. in light or ordinary hazard occupancies. 3. release are expected. Coverage sprinklers for use in Ordinary hazard Occupan-cies as defined by NFPA 13. 3.2 These guidelines shall only be applicable to buildings of habitable height not exceeding 60m. The Series EC-11 and EC-14 Sprinklers are Buildings and structures containing materials that readily support combustion or that pose a physical hazard shall be classified as Group H-3. Can cause human disease and may be a hazard to employees; it is unlikely to spread to the community and there is usually effective prophylaxis or treatment available. LPC Rules for automatic sprinkler installations - incorporating BS EN 12845. All materials having wrappings or preformed containers of foamed plastics. 26 September 2006. Timber storage including sheets, planks, boards, joists and cut sizes. bales, sheet, horizontal or vertical rolls, waxed coated or processed). The traits will determine the number of sprinklers, the specification of water supply, and the number of fire pumps, among other things such as placement. 5.3.2.1 Ordinary hazard (Group 2) occupancies shall be defined as occupancies or portions of other occupancies where the quantity and combustibility of contents are moderate to high, stockpiles of contents with moderate rates of heat release do not exceed 12 ft (3.7 m), and stockpiles of contents with high rates of heat release do not exceed 8 ft (2.4 m). They utilize a 3mm frangible glass bulb as the thermosensitive operating element. Moderate, scattered amounts of. Description. CLASSIFICATION OF OCCUPANCIES. TFP220_EN Page 3 of 8 LIGHTHAZARD ORDINARY HAZARD 57°C 68°C 79°C 93°C 141°C 57°C 68°C 79°C 93°C 141°C AREA STYLE 14 x 14 14 x 14 14 x 14 Up. 3.2 These guidelines shall be only applicable to buildings of habitable height not exceeding 60m. https://medical-dictionary.thefreedictionary.com/Hazard+Group+3, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Control of Substances Hazardous to Health Regulations 2002, Labelling, Transport and Reception of Specimens Regulations, hazard analysis and critical control point, Hazardous Substances & Health Effects Database, Hazard Evaluation and Technical Assistance, Hazard Evaluation System and Information Service, Hazard Evaluations and Technical Assistance Branch, Hazard Identification & Abatement in Public & Indian Housing, Hazard Identification and Risk Assessment, Hazard Identification and Vulnerability Assessment, Hazard Identification Assessment Review Committee, Hazard Identification Capability Assessment, Hazard Identification, Risk Assessment and Control, Hazard Increase Resulting in Suspension or Exclusion of Coverage, Hazard Increases Resulting in Suspension or Exclusion of Coverage, Hazard Mapping and Vulnerability Assessment. Group 1. Occupancies or portion of occupancies where quantity and combustibility of. - bustible fuel and oxygen. Ordinary Hazard Group 2 [F] 903.2.5.3 Pyroxylin Plastics. NFPA 13:5.1 Light Hazard Ordinary Hazard (Group I or Group II) Extra Hazard (Group I or Group II) 4. The principal occupancy classifications are light hazard, ordinary hazard, and. 2). ORDINARY GROUP 1 ORDINARY GROUP 2 TEMPERATURE MIN. 10 sprinklers 65 mm (2 ½in.) For example: Assuming a light or ordinary hazard occupancy, an appropriate area of sprinkler operation selected from Figure 11.2.3.1.1 is 1500 square feet. C. Ordinary Hazard Group 2 Occupancies. Part 25 - TB222: 2004: 1 - Ordinary hazard group 3 protection using enhanced protection extended coverage sprinklers. Standard sprinklers protecting all ordinary hazard occupancies shall not cover an excess of 130 square feet per head (Table 8.6.2.2.1(b). Group 3 100 sprinklers 125 mm (5in.) The classifications are dependent on the building’s occupancy and use, and they include light hazard, low hazard, ordinary hazard, moderate hazard, high hazard, and severe hazard. Building Code 2015 of Utah > 3 Use and Occupancy Classification > 307 High-Hazard Group H > 307.5 High-Hazard Group H-3.
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