1. Introduction

2. Gas Supply in Hong Kong

3. System Components

4. Design Considerations

5. Gas Pipe Sizing

• Gas Street Lamps (Duddell Street, Central, HK) (4:46) http://www.youtube.com/watch?v=ZJO99leDtwM

• Gas Systems [BSE notes] http://www.arca53.dsl.pipex.com/index_files/gas1.htm
• Gas Pipe Sizing [BSE notes] http://www.arca53.dsl.pipex.com/index_files/gas4.htm
• Gas Safety Portal (EMSD) http://www.gsp.emsd.gov.hk/
• Overview on Gas Safety http://www.gsp.emsd.gov.hk/en/b01.html
• Gas Installation Work and Registered Gas Contractors http://www.gsp.emsd.gov.hk/en/b04.html

• ArchSD, 2012. General Specification for Liquefied Petroleum Gas Installation in Government Buildings of the Hong Kong Special Administrative Region, 2012 Edition, Architectural Services Department (ArchSD), Hong Kong. [LB 363.63 H7] (http://www.archsd.gov.hk/media/11395/e197.pdf)
  
• EMSD, 2012. Code of Practice GU 21 Requirements for Town Gas Installations for Catering Purposes in Restaurants and Food Preparation Establishments, Gas Authority, Electrical and Mechanical Services Department, Hong Kong. [PDF]
• Gas Authority Hong Kong, 1997. Avoiding Danger from Gas Pipes, Gas Authority, the Government of the Hong Kong Special Administrative Region, Hong Kong. [HKP 696.2 A96][PDF]
• Hall, F. and Greeno, R., 2013. Building Services Handbook, 7th ed., Chapter 10 - Gas Installation, Components and Controls, Routledge, London. [690 H17]
• IGEM, 2013. Defining the End of the Network, a Meter Installation and Installation Pipework, IGEM/G/1 Edition 2, Communication 1765, Institution of Gas Engineers and Managers (IGEM), Derbyshire, UK. [PDF]
• IGEM, 2012. Definitions for the Gas Industry, IGEM/G/4 Edition 2, Communication 1763, Institution of Gas Engineers and Managers (IGEM), Derbyshire, UK. [PDF]
  
• IOP, 2002. Plumbing Engineering Services Design Guide, 2002 ed., Section on Piped Gas Services, Institute of Plumbing (IOP), Hornchurch, Essex, UK. pp. 81-91. [LB 696.1 P73]

• The History of Gas (National Gas Museum) http://www.nationalgasmuseum.org.uk/the-history-of-gas/
• The Gas Explosion in Hong Kong (11 Apr 2006, at Ngau Tau Kok) http://zonaeuropa.com/20060412_1.htm
  
• Hong Kong, Ngau Tau Kok underground towngas explosion (CableTV news) (YouTube) (7:45) http://www.youtube.com/watch?v=ba5M3Lw9SMU
• 2014 Kaohsiung gas explosion http://en.wikipedia.org/wiki/2014_Kaohsiung_gas_explosions
• Gas Standard Office (Gas Authority), Electrical and Mechanical Services Department, Hong Kong http://www.emsd.gov.hk/en/gas_safety/
• Gas Safety Ordinance (Cap. 51)
• Gas Safety Tips to Users http://www.emsd.gov.hk/en/gas_safety/gas_safety_tips_to_users/
  
• Overview on Gas Safety [PDF]
• Types of Domestic Fuel Gases and Their Properties http://www.emsd.gov.hk/en/gas_safety/gas_safety_tips_to_users/types_of_domestic_fuel_gases_and_their_properties/
• Inspections and Maintenance of Service Risers and Installation Pipes http://www.emsd.gov.hk/en/gas_safety/gas_safety_tips_to_users/inspections_and_maintenance_of_service_risers/
  
• Publications:
• General http://www.emsd.gov.hk/en/gas_safety/publications/general/
• Codes of Practice http://www.emsd.gov.hk/en/gas_safety/publications/codes_of_practice/
• Guidance Notes http://www.emsd.gov.hk/en/gas_safety/publications/guidance_notes/
  
• Registers http://www.emsd.gov.hk/en/gas_safety/registers/
  
• How to Apply http://www.emsd.gov.hk/en/gas_safety/how_to_apply/
  
• Hong Kong and China Gas Company Limited  http://www.hkcg.com/
• Towngas 1862-2012: Lighting the Past. Brightening the Future [PDF]
  
• The Hongkong and China Gas Company Ltd / Towngas – 150th Anniversary 2012 – superb photographs http://industrialhistoryhk.org/hongkong-china-gas-company-towngas-150th-anniversary-2012-superb-photographs/
  
• The Hongkong and China Gas Company Ltd – early history from 1860s http://industrialhistoryhk.org/hongkong-china-gas-company-early-history-1860s/
• The Hongkong and China Gas Company Ltd – explosion 14th May 1934, 42 killed http://industrialhistoryhk.org/the-hongkong-and-china-gas-company-ltd-explosion-14th-may-1934-42-killed/
  
• Institution of Gas Engineers & Managers (IGEM), UK http://www.igem.org.uk/
• LPG - Wikipedia http://en.wikipedia.org/wiki/Liquefied_petroleum_gas