Decision Support System for Distribution System Piping Renewal |
Contents
INTRODUCTION AND BACKGROUND | 1 |
PIPE RENEWAL TECHNOLOGIES | 15 |
PIPE MATERIALS | 61 |
COST OF PIPE RENEWAL | 71 |
COMPREHENSIVE DECISION SUPPORT SYSTEM | 87 |
CASE STUDY | 117 |
FINDINGS AND RECOMMENDATIONS | 123 |
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Backhoe loader C-Value calcite cathodic protection CDSS cement mortar lining CIPP cleaning Close-fit Sliplining Conventional Sliplining corrosion Cost Details Worksheet Cost Module cost spreadsheet Costs Costs Costs day(s Decision Support System ductile iron Entered Total Cost Entrance Pit Epoxy Lining Excavation existing pipe Exit Pit F G H HDPE horizontal directional drilling host pipe hydraulic installation jack and bore joint leak Laborer(s limits No limits Maintenance Costs Marked Up Cost microtunneling Minor Minor Minor Mob/Demob Narrow Trench Number Open trench Person-day pipe bursting pipe jacking pipe material Pit Depth Pit Length Pit Width Pits $0 pit Present Worth Cost Raw Cost rehabilitation renewal methods Renewal option categories replacement pipe s.y/pit screen Figure selection of renewal service connections shotcrete soil Summary Worksheet Table thick Total Cost $0 Total Disposal Costs Total Equipment Costs truck Unit Cost Units User Entered Total water main water utilities