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APPENDIX a A-5-1.3 Periodically, flues and chimneys should be checked for accumulations of soot and creosote and cleaned when dangerous amounts are noted. (The period will vary, depending upon the fuel used and the fre quency of usage.) There is a hazard of creosote buildup in stove pipes and chimneys because of residue from con- trolled draft wood -burning stoves. Dampers and chimney connectors should be kept in good repair. (See NFPA 211, Chimneys, Fireplaces and Vents, Chapter 3.) A-5-1.4.1 Fireplace openings should be equipped with small -mesh screens, or transparent fire -resistive panels to cover the full width of the opening. Extinguish fireplace fires before leaving the premises. A-5-3.1 The use of outdoor barbecues is continuing to increase rapidly, and portable and stationary barbecues cause many serious fires. Such cooking devices should be used in accordance with fire permit requirements of the local fire chief, forest fire warden, or other responsible authority. Barbecues should not be used in times of severe fire weather. Ashes and unburned material from barbe- cues should be confined and disposed of in the same man- ner as ashes from stoves. Use only approved barbecue fire starters and use with caution. Many people have been seriously injured when "speeding up" a barbecue with volatile liquid fuels. Do not use barbecues inside. A-5.4.1 Special care should be taken in the placing of kerosene stoves and heaters to avoid contact with com- bustible materials, including draperies, to avoid acciden- tal overturning, and to avoid blocking of exit routes in event of malfunction. Fabrics must not be placed on stoves for drying. Portable pressurized liquid fuel camp stoves should be filled, pumped up and started outside. Store and handle all flammable liquids in conformance with the provisions of NFPA 30, Flammable and Com- bustible Liquids Code and NFPA 31, Installation of Oil Burning Equipment. A-5-5.1 Liquefied petroleum gas, sometimes referred to as "bottled gas," is stored under pressure in containers for domestic use. A strong odorant is added to this gas and to natural gas so that leakage will be noticed promptly. LPG is heavier than air and can flow into low places. A-5-5.2 Installation and servicing should be done by a qualified installer. General safety precautions for gas in- stallations include the following (a) When work is to be performed on any gas installa- tion or piping, the gas mist be turned off to eliminate hazard of leakage. All appliance valves shoul, be closed before gas is again turned on. (b) When checking for leakage, soap and water, or other material acceptable for the purpose shall be used. Matches, candles, flame or other sources of ignition should never he used in locating gas leakage. Flashlights should be used when searching for gas leakage. Electric switches should not be operated because they produce a spark; if electric lights are already turned on when the search is being made, thev should not be turned off. In other words, if there is any possibility of gas leakage in the room or area, every precaution must be taken to avoid in- troducing a source of ignition. 224 Il (c) Call the gas installer or gas service company whenever gas Lut ning equipment does not function prop. erly, or whene%ei there is evidence of gas leakage. A-5-6.1 Provide hanging lamps or lanterns with catches or locks to prevent them from being accidentally knocked from their hooks. Above any hanging lantern or lamp, place a metal shield with a minimum of I in. (2.5-cm) air space between the shield and any combustible ceiling. A-5-6.3 Provide glass chimneys for all open flame -type lamps, including candles. A-5-7 Storage of Combustibles and Flammable&. A-5-7.1 Clean and fill open flame -type pressurized lamps outdoors during daylight hours. (a) Keep attics, cellars, garages, woodsheds and the premises in general clear of -accumulations of castoff items and rubbish. ("A , lean house seldom burns.") (b) Store gasoline in approved safety -type containers only. All dispensing of gasoline shall be done outdoors. (c) Certain oils (vegetable and animal oils) ar- .iubject to spontaneous heating in contact with combustib:. Oil - soaked and paint rags, waste, or paper should not be al- lowed to accumulate. Temporary storage should be in a separate metal container, with tight -fitting cover. (d) All cans containing combustibles should be clearly labeled as to the correct content. (e) Use safety matches in preference to the "strike anywhere" type of match. (f) Store matches out of reach of children and in pro- tective containers. (g) Do not hang or place clothes or other fabrics close to heating appliances to dry. A-6-1.4 Ma..v tent materials are highly flammable Wheii purchasing or making tentage or repair thereto, select materials that have met the requirements of Federal specifications for flame -resistant textiles. (See NFPA 701, Standard Methods 're Tests for Flame - Resistant Textiles and Films.) When weatherproofing tentage, use only flame resistant material Appendix B General Fire Protection t-his Apprirdax it not part of this NFPA Standard 1114 but is included /or information purposes only B-1 Removal of Vegetative Hazards. B-l.l Remove !elected hazardous vegetative material. 100 it (30.5 m) or more if possible. from all structures, outside fireplaces and int inerators. Lawns, gardens and green shrubs can be planted in this area to prevent ero- sion and to preserve ground ms,, -,ture and humus for larger trees. Ornamental shrubs that are close -pruned can accumulate heavy concentrations and dead. dry vegetation inside the green perimeter. A flare up of this Al cumulation can ignite overhanging eaves.