Laserfiche WebLink
Preliminary Design Report Addendum No.2 <br />TABLE OF CONTENTS <br />SECTION <br />PAGE <br />1.0 INTRODUCTION ................................................................................. ............................... <br />I <br />1.1 Background ....................................................................................... ............................... <br />1 <br />1.2 Facility Description ............................................................................ ..............................1 <br />2.0 DIVERSION FACILITY PROCESS DESIGN CRITERIA ................. ..............................3 <br />2.1 Introduction ....................................................................................... ............................... <br />3 <br />2.2 Basis of Design Flows and Operations ............................................. ............................... <br />3 <br />2.2.1 Normal Dry- weather Flow ......................................................... ............................... <br />3 <br />2.2.2 Maximum Design Flow ............................................................. ............................... <br />5 <br />2.2.3 Dry - Weather Flow Diversion Operations .................................. ............................... <br />5 <br />2.2.4 Wet - Weather Diversion Operations ........................................... ............................... <br />5 <br />3.0 RECOMMENDED PRELIMINARY TREATMENT ALTERNATIVE .... ..............................6 <br />3.1 In- channel Diversion Structure ......................................................... ............................... <br />6 <br />3.1.1 Radial Steel Gates ...................................................................... ............................... <br />6 <br />3.1.2 Air - inflated Rubber Dam ........................................................... ............................... <br />6 <br />3.1.3 Hydraulics ................................................................................... ..............................6 <br />3.1.4 Operation and maintenance ........................................................ ............................... <br />7 <br />3.2 Intake Structure ................................................................................. ............................... <br />9 <br />3.3 Coarse Screening ............................................................................... ............................... <br />9 <br />3.4 Fine Screening Chamber ................................................................... ............................... <br />9 <br />3.5 Sedimentation and Discharge Storage Chamber ............................. ............................... <br />10 <br />3.6 Pump Station ................................................................................... ............................... <br />10 <br />3.7 Hydraulics ....................................................................................... ............................... <br />11 <br />3.7.1 Channel Hydraulics .................................................................. ............................... <br />11 <br />3.7.2 Diversion Facility Hydraulics .................................................. ............................... <br />13 <br />3.8 Reliabil ity .......................................................................................... .............................14 <br />4.0 ALTERNAITVE PIPELINE ROUTE ANALYSIS ............................... .............................15 <br />4.1 Introduction ..................................................................................... ............................... <br />15 <br />4.1.1 Background ................................................................................ .............................15 <br />4.1.2 Objective and Study Approach ................................................ ............................... <br />15 <br />4.2 Basic Data ....................................................................................... ............................... <br />16 <br />1[W <br />i <br />25F -130 <br />