1. Design considerations

2. Water demand & storage

3. Pipe sizing

4. Pipe materials

5. Pump systems

[Powerpoint file in PDF format]

• What is Water Hammer? | DFT Inc. (2:38) https://youtu.be/6ydsAIHWVNM
• Water Hammer Animation - DFT Check Valve Performance (1:36) https://youtu.be/m-d9JBIppLk
• Water Hammer Demonstration (1:42) https://youtu.be/ujNGaQKap98
  
• GEFA Water Hammer GB (4:17) https://youtu.be/X9UbzcanuDk
• Water Hammer - Scenarios & Risks (7/8) (3:29) https://youtu.be/HxsDJ8Q5HDw
• how dow does water hammer arrestor works (1:03) https://youtu.be/QRn4CeB7e08
• Cold and Hot water pipe sizing to BS EN 806 Part 3 'Pipe Sizing Simplified method' (23:44) https://youtu.be/_DRNUpXjAXg
• Hot and cold water pipework design https://www.pandhengineering.co.uk/advice/hot-and-cold-water-pipework-design
• 【渠務睇真D】點解洗水缸要停半日冇 得用水 | 洗水缸過程全面公開 | 想飲到杯乾淨嘅水唔容易... (4:29) https://youtu.be/RkniOLD627E
• Using Lead-free Soldering Materials for Safe Drinking Water 焊接物料用無鉛 食水飲用先安全 (3:04) https://youtu.be/Z9kWlbFfgXM

• Application for Water Supply in HK https://www.wsd.gov.hk/en/customer-services/application-for-water-supply/
• Document List for Application for Water Supply https://www.wsd.gov.hk/filemanager/en/content_1137/cir0220_appendix_b.pdf.pdf
  
• Submission Requirements for Different Types of Application at Proposal Stage https://www.wsd.gov.hk/filemanager/en/content_1137/cir0220_appendix_c.pdf
• IOP, 2002. Plumbing Engineering Services Design Guide, [New ed.], Institute of Plumbing (IOP), Hornchurch, Essex, UK. [HKALL] http://docshare04.docshare.tips/files/24329/243291973.pdf
• Hot and cold water supplies, p. 1-23
  
• Pumps and pumping, p. 161-168
• Converting Flow Rates from Loading Units To Litres Per Second https://communities.bentley.com/products/building/performance/w/building_performance__wiki/2488/converting-flow-rates-from-loading-units-to-litres-per-second
• Pipe jointing methods:
• Pipe Joints - Learn their Types and Their Uses https://testbook.com/civil-engineering/pipe-joint-definition-and-types
• Types of Pipe Joints in Plumbing https://theconstructor.org/building/types-of-pipe-joints-in-plumbing/12559/

• CIC, 2018. Reference Materials on Connecting Copper Pipes, Version 2 March 2018, Construction Industry Council (CIC), Hong Kong. https://www.cic.hk/files/page/51/CIC-Soldering-2018-03-16_EN.PDF
• Garrett, R. H., 2008. Hot and Cold Water Supply, 3rd ed., Chichester, West Sussex, U.K. [HKALL]
• Chapter 5 Pipe sizing https://www.heatweb.co.uk/w/images/3/31/BIP2177sample.pdf
• Hall F. & Greeno R., 2017. Building Services Handbook, 9th ed., Chps. 2 & 3, Routledge, Oxon & New York. [HKALL]
• WSD, 2021. Guide to Application for Water Supply (December 2021 version), Water Supplies Department (WSD), Hong Kong. https://www.wsd.gov.hk/en/plumbing-engineering/requirements-for-plumbing-installation/guide-to-application-for-water-supply/
  
• WSD, 2021. Technical Requirements for Plumbing Works in Buildings (Dember 2021 version), Water Supplies Department (WSD), Hong Kong. https://www.wsd.gov.hk/en/plumbing-engineering/requirements-for-plumbing-installation/technical-requirements-for-plumging-works-in-bldgs/
• WSD, 2018. Handbook on Plumbing Installation for Buildings, Water Supplies Department (WSD), Hong Kong. https://www.wsd.gov.hk/en/plumbing-engineering/requirements-for-plumbing-installation/handbook-on-plumbing-installation/

• Water Supply for New Buildings https://www.wsd.gov.hk/en/customer-services/application-for-water-supply/water-supply-for-new-buildings/
  
• Licensed Plumbers https://www.wsd.gov.hk/en/plumbing-engineering/licensed-plumbers/
  
• Cap. 123I Building (Standards of Sanitary Fitments, Plumbing, Drainage Works and Latrines) Regulations https://www.elegislation.gov.hk/hk/cap123I
  
• Water Hammer https://www.dft-valves.com/applications/water-hammer/
• Water Hammer: The Mechanism https://www2.tlv.com/steam-info/steam-theory/problems/waterhammer-mechanism
  
• Binomial Distribution:
• Binomial Distribution Formula https://www.cuemath.com/binomial-distribution-formula/
  
• Binomial distribution - Wikipedia https://en.wikipedia.org/wiki/Binomial_distribution
• Combinations and Permutations https://www.mathsisfun.com/combinatorics/combinations-permutations.html
  
• The Binomial Distribution https://www.mathsisfun.com/data/binomial-distribution.html
  
• Pipes and Fittings to be used in Inside Service or Fire Service https://www.wsd.gov.hk/en/plumbing-engineering/pipes-and-fittings-to-be-used-in-inside-service-or/
  
• Voluntary GA (General Acceptance) Labelling Scheme for plumbing products https://www.wsd.gov.hk/en/plumbing-engineering/pipes-and-fittings-to-be-used-in-inside-service-or/voluntary-ga-shop-scheme/
  
• Voluntary Quality Assurance Information Scheme (GA+) https://www.wsd.gov.hk/en/plumbing-engineering/pipes-and-fittings-to-be-used-in-inside-service-or/voluntary-quality-assurance-information-scheme-ga/
• 水務 署 - 村屋的典型水管計劃圖則(英文版) Use of standard drawings to facilitate the Licensed Plumbers http://www.hklppa.com.hk/document/standard_drawings_VH2_ENG.pdf
• 標準 垂直水管路線圖
• 已批 准修訂垂直水管路線圖
• 水錶 箱細節和水錶位置安排細節圖
• Water Supplies Department (WSD) 水務署 http://www.wsd.gov.hk/
• Plumbing and Engineering 內部喉管及技術 https://www.wsd.gov.hk/en/plumbing-engineering/index.html
• Practice Guide on Carrying Out Plumbing Works 進行水管工程的作業指引 https://www.wsd.gov.hk/filemanager/en/content_1768/practice-guide-on-carrying-out-plumbing-works-e.pdf
• WSD Standard Drawings 水務署標準圖則 https://www.wsd.gov.hk/en/publications-and-statistics/guidelines-reports-drawings-specifications/standard-drawings/
• WSD Mechanical & Electrical Standard Specifications 水務署機械及電機標準規格 https://www.wsd.gov.hk/en/publications-and-statistics/guidelines-reports-drawings-specifications/mechanical-electrical-standard-specification/
• Lead in Drinking Water Incident 食水含鉛事件 https://www.isd.gov.hk/drinkingwater/
• Hong Kong’s Water Supply: Reducing Lead in Drinking Water https://www.isd.gov.hk/drinkingwater/pdf/hk_water_supply_booklet_e.pdf
  
• 2015 Hong Kong heavy metal in drinking water incidents https://en.wikipedia.org/wiki/2015_Hong_Kong_heavy_metal_in_drinking_water_incidents
• Commission of Inquiry into Excess Lead Found in Drinking Water (COI-Drinking Water) 食水含鉛超標調查委員會 https://www.coi-drinkingwater.gov.hk/
• Current Progress of Follow-up Work on Various Recommendations of Commission of Inquiry into Excess Lead Found in Drinking Water 「食水含鉛超標調查委員會」各項建議的跟進工作進度 https://www.wsd.gov.hk/en/core-businesses/water-quality/follow-up-work-on-excess-lead-in-drinking-water/
• Enhancement of Control of Inside Services’ Construction and Installation 加強監管內部供水系統的建造和安裝 https://www.wsd.gov.hk/en/plumbing-engineering/enhancement-of-control-of-inside-services/
• Study of Lead in Drinking Water in Public Housing Estates (HKIE Report) http://www.hkie.org.hk/docs/InstitutionOpinions/2015-2016/Report-Lead-in-Drinking-Water-Public-Housing-Estates(2%20Nov%202015).pdf