I.S. 327:1990

Declaration
Committees
Foreword
Scope
Characteristics of L. P. Gases
Definitions
SECTION 1: Types of Systems and Siting of Cylinders
  1.1 General
  1.2 Basic layer of supply system
  1.3 Storage and installation of cylinders
  1.4 Bulk storage tanks
SECTION 2: Installation Pipework
  2.1 Materials
  2.2 Components
  2.3 Pipe sizing and pressure loss
  2.4 Pipework
  2.5 Special Requirements for High Pressure and Intermediate
      Pressure Stage Pipework
SECTION 3: Testing for Soundness, and Purging Procedures
  3.1 General
  3.2 Testing for soundness
  3.3 Purging
  3.4 Checking regulator pressure settings and no-flow
      lock-up pressure
SECTION 4: Flues and Air Supply
  4.1 Materials
  4.2 Types of flue systems
  4.3 Choice and location of terminal
  4.4 Individual open flue systems using natural draught
  4.5 Use of existing flues and chimneys
  4.6 Flue liners
  4.7 Fire precautions
  4.8 Inspection and testing of flues
  4.9 Ventilation requirements
SECTION 5: Installation of Cookers
  5.1 Materials, appliances and components
  5.2 Siting of cookers
  5.3 Ventilation
  5.4 Assembly of cooker
  5.5 Connection of cooker
  5.6 Testing of supply for soundness
  5.7 Adjustment of flame aeration
SECTION 6: Installation of Refrigerators
  6.1 Materials, appliances and components
  6.2 Siting of refrigerators
  6.3 Ventilation and air circulation
  6.4 Connection of refrigerator
  6.5 Testing of supply for soundness
  6.6 Adjustment of refrigerator
  6.7 Instructions to customer
SECTION 7: Installation of Individual Space Heating Appliances
  7.1 General
  7.2 Flueless space heaters
  7.3 Gas fires, decorative fuel effect fires and gas
       fire/back boiler units
  7.4 Hearth requirements
  7.5 Convectors
  7.6 Gas connection
  7.7 Electrical connections
  7.8 Water connections
  7.9 Air supply and flue
  7.10 Inspection and testing
  7.11 Instructions to customer
SECTION 8: Installation of Water Heaters
  8.1 Materials, appliances and components
  8.2 Permissible locations
  8.3 Flueing and air supply
  8.4 Access for servicing
  8.5 Water supply
  8.6 Pipe sizing and pipework
  8.7 Installation
  8.8 Showers
  8.9 Adjustment, testing and general operation
SECTION 9: Installation of Central Heating Appliances
  9.1 General
  9.2 Warm-air units
  9.3 Hot water central heating system
SECTION 10: Installation of Meters
  10.1 General
  10.2 Location
  10.3 Selection of meter and controls
  10.4 Installation
  10.5 Warning notices
  10.6 Inspection, testing and purging
  10.7 Prepayment Meters
APPENDICES
1 Reference Standards
2 Duct Ventilation
3 Permitted Location of Appliances
4 Certificate of Gas Soundness

Describes the installation of meters, appliances and associated pipework in single and multiple occupancy domestic dwellings, and domestic-type appliances in non-domestic situations.