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Appendix 3.2M E M OFromE/CToE/Region (Distribution)Ref.in(Attn.:)Tel. No.Your Ref.InFax. No. dated Fax. No.DateTotal pagesHYDROSTATIC PRESSURE TEST RESULT ON DIA. MAIN LENGTHLOCATION Please be informed that a hydrostatic pressure test has been performed on the abovementioned pipeline. Details as certified by the undersigned Waterworks Inspector are asfollows:(a) Level of Pressure Gauge (APD)(b) T.W.L. of Service Reservoir (APD)(c) Lowest Level of Mains (APD)(d) Maximum Working Head (= (b) minus (c))(e) Required Test Head ( _____times (d))metremetremetremetremetre(f) Height of Pressure Gauge above the Lowest Point metre(g) Required Test Pressure Reading (= (e) minus (f)) metre = kPa(h) Pressure Reading of kPa maintained for hours (1 m = 1.42 p.s.i.)(i) Leakage litres = litres per hour(j) Permissible Leakage = litres per hour(k) Remarks and Plan Reference (if any) : ____________________________________2 This section of pipeline has been cleaned and sterilised in accordance with DI No. 805.3 Certified by :Works Supervisor/__________________________Waterworks Inspector/__________________________Engineer/Construction
Appendix 3.3Sheet 1 of 7Guidelines in Making Replacement Service Connections in R&R WorksGoals:1. To avoid illegal connections and thus minimise loss of water2. To improve operation efficiency and customer servicesObjectives:1. To avoid reinstating illegal connections and abandoned tees when makingreplacement service connections2. To keep records of those suspicious connections for future follow up action ifsituation does not permit verification of the legality of the existing connections3. To make provisions to allow for future investigation of water loss (due to e.g.leakage or illegal connections) in the inside services downstream from thereplacement service connections4. To map the correlation between the premises where the registered consumersreside and the corresponding service tee connectionsGuidelinesItemItem DescriptionRef.(A) Site WorksA01 Study the scope of connection works and seek advice fromRegion on the corresponding probable boundary of supply atan appropriate stage for planning of connection works. (Seealso Note 1)[Note 1: AM Section has arranged DO/HQ to disseminate ashape file containing georeferenced grids of premises withregistered consumers for RSS’ viewing and reference.Action completed]A02 Identify as far as practicable legitimate consumers and theircorresponding connection points (CP) along the new watermains based on MRP/site inspections/liaison withActionPartyDesigner/RSSDO/HQRSSEnablingPartyRegionAM
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Page 5 and 6:
SectionPage No.3.12 Cathodic Protec
Page 7 and 8:
List of Appendices4.4 Schematic Arr
Page 9 and 10:
- 2 -EquivalentEquivalentNominalNom
Page 11 and 12: - 4 practicable and aesthetically
Page 13 and 14: - 6 with a built-in by-pass. In s
Page 15 and 16: - 8 leaks and bursts in the distr
Page 17 and 18: - 10 1.3.13 Contact Points for Le
Page 19 and 20: - 12 joints and collars, Appendix
Page 21 and 22: - 14 -than 127 m headFor connecting
Page 23 and 24: - 16 http://www.emsd.gov.hk/emsd/
Page 25 and 26: - 18 -Where the works is carried ou
Page 27 and 28: - 20 3.5 Laying PipesA number of
Page 29 and 30: - 22 pipe arising from the intern
Page 31 and 32: - 24 Backfilling involves two ope
Page 33 and 34: - 26 and chemical analyses. The p
Page 35 and 36: - 28 3.14 Fire HydrantsThe locati
Page 37 and 38: - 30 SECTION 4 - REPAIR, REHABILI
Page 39 and 40: - 32 of the proposed water main,
Page 41 and 42: - 34 (iii)“Sliplining” is def
Page 43 and 44: - 36 The advantages and disadvant
Page 45 and 46: - 38 again as necessary to confir
Page 47 and 48: - 40 Step 7: Post-lining CCTV Sur
Page 49 and 50: - 42 Step 6: Hydrostatic Pressure
Page 51 and 52: - 44 pipe is ductile or brittle)
Page 53 and 54: - 46 [Remark: The exposed lining
Page 55 and 56: - 48 existing lining so that stra
Page 57 and 58: Appendix 1.1Sheet 2 of 6normal circ
Page 59 and 60: Appendix 1.1Sheet 4 of 6b) If the m
Page 61: Appendix 1.1Sheet 6 of 6Figure 4 (a
Page 101 and 102: Appendix 3.3Sheet 3 of 7ItemItem De
Page 103 and 104: Appendix 3.3Sheet 5 of 7FromTo: [Pr
Page 105: Appendix 3.3Sheet 7 of 7(E) Suspici
Page 115 and 116:
Appendix 4.2Sheet 1 of 2Advantages
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