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   What is the scope of a storm water drainage test?

   • The scope of the test is to verify effective performance of the whole aboveground drainage system. During the test, water will be discharged from selected drain points to demonstrate the actual operation condition that water would be discharged simultaneously into the storm water drainage system during operational condition.

   TESTING AND COMMISSIONING PROCEDURE FOR DRAINAGE INSTALL…

   www.archsd.gov.hk/media/publications-publicity/t-c-procedure-for-plumbing-and-drainage-installation/di_tcp2017.pdf

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   How do you test a water distribution pipework system?

   • All water distribution pipework systems shall be hydraulically tested in sections as installation work progresses. The hydraulic test pressure shall be 1.5 times the maximum static pressure for 12 hours if it does not exceed 1.5MPa or 1.3 times the maximum static pressure for 12 hours if it exceeds 1.5MPa.

   TESTING AND COMMISSIONING PROCEDURE FOR DRAINAGE INSTALL…

   www.archsd.gov.hk/media/publications-publicity/t-c-procedure-for-plumbing-and-drainage-installation/di_tcp2017.pdf

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   What is a foul water drainage test?

   • During the test, water will be discharged from selected drain points to demonstrate the actual operation condition that water would be discharged simultaneously into the foul water drainage system during operational condition. Visual check on the whole drainage system will be carried out for any back-flowing.

   TESTING AND COMMISSIONING PROCEDURE FOR DRAINAGE INSTALL…

   www.archsd.gov.hk/media/publications-publicity/t-c-procedure-for-plumbing-and-drainage-installation/di_tcp2017.pdf

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   How to check storm water drainage system?

   • Visual check on the whole drainage system will be carried out for any back-flowing. The result will be used to reflect whether the capacity of the storm water drainage system is adequate. The number of drain points that will discharge simultaneously into storm water drainage system depends on nature and usage of the building under construction.

   TESTING AND COMMISSIONING PROCEDURE FOR DRAINAGE INSTALL…

   www.archsd.gov.hk/media/publications-publicity/t-c-procedure-for-plumbing-and-drainage-installation/di_tcp2022.pdf

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2. www.archsd.gov.hk › media › publications-publicityTESTING AND COMMISSIONING PROCEDURE FOR DRAINAGE ...

   www.archsd.gov.hk › media › publications-publicity

   4.1.1 Water Test 4.1.2 Air Test 4.2 Foul Water Drainage Installation – Aboveground System 4.2.1 Water Test 4.2.2 Air Test 4.2.3 System Performance Test 4.3 Surface Water Drainage Installation – Underground System 4.3.1 Water Test

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3. www.archsd.gov.hk › media › publications-publicityTESTING AND COMMISSIONING PROCEDURE FOR DRAINAGE ...

   www.archsd.gov.hk › media › publications-publicity

   4.1.1 Water Test (a) Scope and Applicability The scope of the test is to verify effective performance of the complete pipelines which comprise pipes, manholes, chambers and/ or structures against leakage. During the test, pipelines will be filled with water

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     分享排水系統測試（試水、試氣、沖水）Testing for Drainage System (Water Test、Air Test、Flushing Test)

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5. www.bd.gov.hk › doc › enPractice Note for Registered Contractors 11

   www.bd.gov.hk › doc › en

   2. In accordance with Practice Note for Authorized Persons, Registered Structural Engineers and Registered Geotechnical Engineers (PNAP) APP-58, the authorized person (AP) or his representative is required to witness the testing and endorse the testing results and records. AP should prepare a certificate on the completion of testing of drainage ...

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6. www.fehd.gov.hk › english › pleasant_environment滲水 Water Seepage - Food and Environmental Hygiene Department

   www.fehd.gov.hk › english › pleasant_environment

   4 any defective drainage pipe at external wall Page 3 222 2 天花板滲水的天花板滲水的常見源頭及徵象 ... 3 Simple Testing Method s 1 Drainage and water proofing of slab – colour water and ponding tests inexpensive and effective food dye to be used on ...

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7. www.wsd.gov.hk › filemanager › enSampling Protocol for Commissioning Test of Fresh Water ...

   www.wsd.gov.hk › filemanager › en

   Sampling Protocol for Commissioning Test of Fresh Water Plumbing System. 1.1 General. This sampling protocol is applicable for collection of water samples at water sampling tap and connection point for commissioning of newly installed or replaced inside services for fresh water supply in occupied or unoccupied buildings. 1.2. Site.

8. www.wsd.gov.hk › filemanager › articleWSD Circular Letter No. 5/2022 Updated Water Sampling ...

   www.wsd.gov.hk › filemanager › article

   The sampling protocol for water tanks for commissioning test of fresh water plumbing system and the acceptance criteria of the parameters including pH at 25°C, Free Residual Chlorine and Conductivity at 25°C for the water sampling tests in accordance with Appendix 19(B) of “Guide to Application for Water Supply” are updated as in Appendix A.