CSA B149.2-15 - Propane storage and handling code

Description

B149.2-15, Propane storage and handling code Standards Update Service Technical Committee on Propane Storage & Handling Interprovincial Gas Advisory Council (IGAC) Preface 1 Scope 1.1 1.2 1.3 1.4 1.5 1.6 2 Reference publications 3 Definitions 4 General 4.1 Application 4.1.1 4.1.2 4.1.3 4.1.4 4.2 Approval of appliances, accessories, components, equipment, and material 4.2.1 4.2.2 4.2.3 4.3 Responsibilities of the installer 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 4.3.6 4.4 Training and quality of labour 4.4.1 4.4.2 4.5 Suitability of use 4.5.1 4.5.2 4.5.3 4.5.4 4.6 Electrical connections and components 4.6.1 4.6.2 4.7 Hazardous locations 4.7.1 4.7.2 4.8 Smoking 4.9 Isolation of safety devices 4.10 Leak detection 4.10.1 4.10.2 4.10.3 4.11 Appliance clearances to combustible material 4.12 Accessibility 4.12.1 4.12.2 4.12.3 4.12.4 4.13 Appliance ductwork connections 4.14 Combined heating systems 4.15 Appliances protected by automatic fire-extinguishing systems 4.15.1 4.15.2 4.15.3 4.16 Control of appliances with self-energized pilots 4.17 Defective heat exchangers 4.17.1 4.17.2 4.17.3 4.18 High-altitude installations 4.18.1 4.18.2 4.19 Protection of appliances from physical damage 5 General requirements for propane and propane equipment 5.1 Odorization 5.1.1 5.1.2 5.2 Container filling 5.2.1 5.2.2 5.2.3 5.2.4 5.2.5 5.2.6 5.2.7 5.2.8 5.2.9 5.2.10 5.2.11 5.2.12 5.3 Protection of containers and equipment 5.3.1 5.3.2 5.3.3 5.3.4 5.4 Pressure regulators 5.4.1 5.4.2 5.4.3 5.5 Line relief valves 5.6 Hydrostatic relief valves 5.6.1 5.6.2 5.7 Vent lines and discharge lines from regulators and line relief valves 5.7.1 5.7.2 5.7.3 5.7.4 5.8 Termination of vent and discharge lines from regulators, line relief valves, and hydrostatic relief valves 5.8.1 5.8.2 5.8.3 5.9 Piping, tubing, hose, and fittings 5.10 Propane containers restriction 5.11 Propane as an engine fuel in other than motor vehicles 5.11.1 5.11.2 5.11.3 5.11.4 5.11.5 5.11.6 5.11.7 5.11.8 5.11.9 5.11.10 5.11.11 5.11.12 5.11.13 5.12 Fuel systems other than fuel systems for motive power 5.12.1 5.12.2 5.12.3 5.12.4 5.12.5 5.12.6 6 Cylinder systems 6.1 Requirements for cylinders 6.1.1 6.1.2 6.1.3 6.1.4 6.1.5 6.1.6 6.1.7 6.1.8 6.1.9 6.1.10 6.1.11 6.1.12 6.1.13 6.1.14 6.1.15 6.1.16 6.2 Liquid level gauges on cylinders 6.2.1 6.2.2 6.2.3 6.3 Automatic regulating equipment 6.4 Purging and filling of cylinders 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.5 Storage and use of cylinders at locations other than filling plants 6.5.1 General 6.5.2 Cylinders stored outdoors for commercial or industrial use or sale 6.5.3 Cylinders at construction sites 6.5.4 Cylinders supplying propane for welding, cutting, and preheating processes 6.5.5 Cylinders at commercial and industrial sites to supply propane for industrial trucks and ice maintenance equipment 6.5.6 Storage of non-refillable cylinders in retail outlets and their warehouses (mercantile occupancies) 6.5.7 Cylinders at sites where propane is supplied for cleaning and polishing equipment 6.5.8 Storage of cylinders located in special rooms or buildings 6.5.9 Cylinders supplying propane to portable food-serving carts located indoors 6.5.10 Construction of special cylinder storage rooms or buildings 6.6 Transportation of cylinders 6.7 Installation of cylinders 6.7.1 6.7.2 6.7.3 6.7.4 6.7.5 6.7.6 6.7.7 6.8 Rooftop installation of cylinder systems 6.9 Diking and grading 6.9.1 6.9.2 6.9.3 7 Tank systems, filling plants, and refill centres 7.1 General 7.1.1 7.1.2 7.1.3 7.1.4 7.1.5 7.1.6 7.1.7 7.1.8 7.1.9 7.1.10 7.1.11 7.1.12 7.1.13 7.1.14 7.1.15 7.1.16 7.2 Relief valves 7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 7.3 Emergency shut-off valves 7.3.1 7.3.2 7.3.3 7.3.4 7.3.5 7.3.6 7.3.7 7.3.8 7.3.9 7.4 Excess-flow and back check valves 7.4.1 7.4.2 7.4.3 7.4.4 7.4.5 7.4.6 7.4.7 7.4.8 7.5 Pressure gauges on tanks 7.5.1 7.5.2 7.6 Liquid-level gauges on tanks 7.6.1 7.6.2 7.6.3 7.6.4 7.6.5 7.7 Filling of tanks 7.7.1 7.7.2 7.7.3 7.7.4 7.7.5 7.7.6 7.8 Installation of underground tanks 7.8.1 7.8.2 7.8.3 7.8.4 7.8.5 7.8.6 7.8.7 7.8.8 7.8.9 7.8.10 7.8.11 7.8.12 7.8.13 7.8.14 7.8.15 7.8.16 7.8.17 7.8.18 7.9 Discharge from tank relief valves 7.9.1 7.9.2 7.9.3 7.9.4 7.9.5 7.10 Location of consumer tanks 7.10.1 7.10.2 7.10.3 7.11 Tank supports 7.11.1 7.11.2 7.11.3 7.11.4 7.11.5 7.12 Filling plants and refill centres 7.12.1 7.12.2 7.12.3 7.12.4 7.12.5 7.12.6 7.12.7 7.12.8 7.12.9 7.12.10 7.12.11 7.12.12 7.12.13 7.13 Electrical equipment at filling plants 7.14 Storage of containers at filling plants 7.14.1 7.14.2 7.15 Fencing of filling plants 7.16 Location of tanks at filling plants and container refill centres 7.17 Container filling locations with provisions for container storage 7.17.1 7.17.2 7.17.3 7.17.4 7.18 Filling plants served by rail 7.18.1 7.18.2 7.18.3 7.19 Container refill centres 7.19.1 General 7.19.2 Fencing of container refill centres 7.19.3 Ventilated cabinets or enclosures 7.19.4 Protection against vehicular traffic (see Annex B) 7.19.5 Electrical equipment 7.20 Dispensing system 7.20.1 7.20.2 7.20.3 7.20.4 7.20.5 7.20.6 7.20.7 7.20.8 7.20.9 7.20.10 7.20.11 7.21 Movement of tanks not designed for transportation or delivery of propane 7.21.1 7.21.2 7.22 Operations and maintenance procedures 7.22.1 General 7.22.2 Documentation of procedures 7.22.3 Review and maintenance of procedures 7.22.4 Operating procedures 7.22.5 Maintenance procedures 8 Tank trucks, tank trailers, and cargo liners 8.1 General 8.1.1 8.1.2 8.2 Electrical equipment and lighting on tank trucks, tank trailers, and cargo liners 8.2.1 8.2.2 8.3 Engine fuel 8.4 Filling of tank trucks, tank trailers, and cargo liners 8.4.1 8.4.2 8.4.3 8.4.4 8.5 Operation of tank trucks, tank trailers, and cargo liners 8.5.1 8.5.2 8.6 Parking vehicles used to transport propane 8.6.1 8.6.2 8.6.3 8.6.4 8.6.5 8.6.6 8.6.7 8.7 Vehicles parked in public parking garages 8.7.1 8.7.2 8.8 Vehicles parked in private garages 8.8.1 8.8.2 8.9 Repair or servicing in private garages 8.10 Repair or servicing in repair garages 8.10.1 8.10.2 9 Vaporizers 9.1 General 9.1.1 9.1.2 9.1.3 9.1.4 9.1.5 9.1.6 9.1.7 9.1.8 9.1.9 9.1.10 9.1.11 9.1.12 9.2 Indirect vaporizers 9.2.1 9.2.2 9.2.3 9.2.4 9.2.5 9.2.6 9.2.7 9.3 Direct-fired vaporizers 9.3.1 9.3.2 9.3.3 9.3.4 9.4 Tank heaters 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.4.9 9.4.10 Annex A (informative) A.1 Procedure for purging anhydrous ammonia from propane containers A.2 Purging flood — Water method A.3 Red litmus paper test for ammonia in propane A.4 Removal of air and moisture from cylinders and motor fuel cylinders A.4.1 General A.4.2 Moisture removal A.4.3 Purging air and moisture using propane vapour A.4.4 Vacuum purging Annex B (informative) Annex C (informative) Annex D (informative) Annex E (informative) E.1 General E.2 Gas piping to rooftop units Annex F (informative) Annex G (informative) Annex H (informative) Annex I (informative) I.1 Abbreviations I.1.1 I.1.2 I.2 Propane and butane: properties and combustion data I.3 Estimation of total customer load Annex J (informative) J.1 General J.2 Entering a propane tank J.3 Proper use of excess-flow valves Annex K (informative) Annex L (informative) L.1 General L.2 Hazard analysis L.3 Risk assessment L.4 Risk mitigation and control L.5 Emergency response and preparedness plan Annex M (informative) Annex N (informative) Annex O (informative)