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CGA B105 : 1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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CODE FOR DIGESTER GAS AND LANDFILL GAS INSTALLATIONS
Hardcopy , PDF
01-08-2011
French, English
01-01-2007
Si (Metric)
The Interprovincial Gas Advisory Council
The CGA B105 Committee on the Installation Code For
Digester Gas Systems
Part I - General requirements for use of this code
1 Scope
1.1 General
1.2 Scope for each section of the code
2 Definitions, abbreviations and reference publications
2.1 Definitions
2.2 Abbreviations
2.3 Reference publications
Part II - Digester gas systems
3 General
3.1 Approval of appliances, accessories, components,
and equipment
3.2 Quality of labour
3.3 Personnel qualifications
3.4 Control of sources of ignition
3.5 Isolation of safety devices
3.6 Existing equipment and materials
3.7 Compliance with other codes
3.8 Prohibited practices
4 Installation requirements for appliances and equipment on
digester gas systems
4.1 Check for suitability of use
4.2 Appliance connections
4.3 Accessibility
4.4 Responsibilities of the installer
4.5 Damaged and used appliances
5 Requirements for the installation of specific types of
appliances and equipment on digester gas systems
5.1 General
5.2 Compressors
5.3 Boilers
5.4 Waste gas burner
5.5 Stationary gas engines
5.6 Incinerators
6 Air for combustion, venting and ventilation in digester
gas systems
6.1 General
6.2 Automatically operated dampers
6.3 Installation of draft control devices
6.4 Induced or forced draft devices
7 Piping and tubing systems and fittings in digester gas systems
7.1 General
7.2 Material
7.3 Requirements for specific types of piping and fittings
7.4 Purging
7.5 Digester gas piping passing through walls and partitions
7.6 Buried piping
7.7 Gas piping identification
7.8 Manual shut-off valves
7.9 Drip traps
7.10 Digester gas instrumentation
7.11 Check valves
7.12 Sediment traps
7.13 Bleed vents
7.14 Gas pressure regulators
7.15 Gas filters
8 Digesters and gas storage tanks
8.1 Water seal skirt depth
8.2 Coatings
8.3 Manholes
8.4 Gas draw off
8.5 Gas mixing supply piping
8.6 Liquid overflow
8.7 Pressure/Vacuum relieving on digesters
8.8 Digester gas storage containers
8.9 Sludge holding tanks
8.10 Inspection points
9 Building and building services for digester gas systems
9.1 Compressor rooms
9.2 Boiler rooms
9.3 Hazardous areas
9.4 Combustible gas detection equipment
10 Testing hazardous areas and digester gas systems
10.1 Leakage tests for digesters
10.2 Pressure tests for digesters
10.3 Vacuum tests
10.4 Testing after cleanout
10.5 Pressure testing for piping
10.6 Testing hazardous areas
11 Electrical requirements for digester gas systems
11.1 General
12 Operation and maintenance of digester gas systems
12.1 General
12.2 Corrosion of the piping system
12.3 Plans and records
12.4 Digester gas system maintenance
12.5 Maintenance of compressors and relief devices
12.6 Valve maintenance
12.7 Pressure/Vacuum relief valve protective housing maintenance
12.8 Drip trap maintenance (continuous-flow type)
12.9 Gas detection system maintenance
12.10 Ventilation systems for hazardous areas
Part III - Landfill gas systems
13 General
13.1 Approval of appliances, accessories, components,
and equipment
13.2 Quality of labour
13.3 Personnel qualifications
13.4 Control of sources of ignition
13.5 Isolation of safety devices
13.6 Existing equipment and materials
13.7 Compliance with other codes
13.8 Prohibited practices
14 Installation requirements for appliance and equipment
on landfill gas systems
14.1 Check for suitability of use
14.2 Appliance connections
14.3 Accessibility
14.4 Responsibilities of the installer
14.5 Damaged and used appliances
15 Requirements for the installation of specific types of
appliances and equipment on landfill gas systems
15.1 General
15.2 Blowers
15.3 Boilers
15.4 Waste gas burner
15.5 Stationary gas engines
15.6 Incinerators
16 Air for combustion, venting and ventilation in landfill
gas systems
16.1 General
16.2 Automatically operated dampers
16.3 Installation of draft control devices
16.4 Induced or forced draft devices
17 Piping and tubing systems and fittings in landfill gas systems
17.1 General
17.2 Material
17.3 Requirements for specific types of piping and fittings
17.4 Purging
17.5 Landfill gas piping passing through walls and partitions
17.6 Buried piping
17.7 Gas piping identification
17.8 Manual shut-off valves
17.9 Drip traps
17.10 Landfill gas instrumentation
17.11 Check valves
17.12 Sediment traps
17.13 Bleed vents
17.14 Gas pressure regulations
17.15 Gas filters
18 Building and building services for landfill gas systems
18.1 Fan or blower room
18.2 Boiler rooms
18.3 Hazardous areas
18.4 Combustible gas detection equipment
19 Testing hazardous areas and landfill gas systems
19.1 Pressure testing for piping
19.2 Testing hazardous areas
20 Electrical requirements for landfill gas systems
20.1 General
21 Operation and maintenance of landfill gas systems
21.1 General
21.2 Corrosion of the piping system
21.3 Plans and records
21.4 Gas system maintenance
21.5 Maintenance of blowers and relief devices
21.6 Valve maintenance
21.7 Drip trap maintenance (continuous-flow type)
21.8 Gas detection system maintenance
21.9 Ventilation systems for hazardous areas
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