Transcription of SEWERAGE MANUAL - DSD
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SEWERAGE MANUAL - DSD
Part 2 SEWERAGE MANUAL (with Eurocodes incorporated) contents related to Eurocodes highlighted in green Pumping Stations and Rising Mains Second Edition, May 2013 DRAINAGE SERVICES DEPARTMENT Government of the Hong Kong Special Administrative Region 2 CONTENTS 1. INTRODUCTION SCOPE ABBREVIATIONS DESIGN STANDARDS Mechanical and Electrical Systems SEWERAGE Structures DESIGN FLOW DESIGN MEMORANDUM ENVIRONMENTAL ASPETCS REQUIREMENT OF SUSTAINABILITY HARBOURFRONT ENHANCEMENT REQUIREMENT 2. PUMPS & COMPONENTS TYPES OF PUMPS CENTRIFUGAL PUMPS ARCHIMEDEAN SCREW PUMPS SELECTION OF PUMPS PUMP MOTORS 3. PUMPING SYSTEM INTRODUTION DESIGN PHILOSOPHY OPERATING CHARACTERISTICS AND SYSTEM CURVES NUMBER OF PUMPS 3 TWIN OR MULTIPLE RISING MAINS CAVITATION ECONOMICS SURGE ANALYSIS 4. DESIGN OF SEWAGE PUMPING STATIONS INTRODUCTION Classification of Sewage Pumping Stations Wet Well/ Dry Well Pumping Stations Submersible Pumping Stations Screw Pumping Stations WET WELL/ DRY PUMPING STATION DESIGN Wet Wells Hydraulics Wet Well Volume and Control Levels Arrangement of Suction Pipe Dry Well SUBMERSIBLE PUMPING STATION DESIGN SCREW PUMPING STATION DESIGN Key Design Parameters Screeding Requirements PUMP CONTROL 5.
1.3.2 Sewerage Structures In Hong Kong, sewerage structures are currently designed to BS, either directly as in the case for water retaining structures to BS 8007, or indirectly as in the case for structures subject to highway loading to BS 5400 …
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