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MOLZEN-CORBIN. & Associates.

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MOLZEN-CORBIN

& Associates

Wastewater Effluent Reuse –Irrigation Relief in the High DesertCity of Albuquerque, NMbyJames Chavez, PE, City of AlbuquerqueBob Paulette, PE, Wilson & CompanyRon Mosher, PE, Molzen-Corbin & Associatespresented to the Rocky Mountain Section WEA/AWWA Annual Conference, Casper WyomingSeptember 17, 2003


Paper outline
Paper Outline

  • Introduction

  • Development of Effluent Reuse “Users”

  • New NMED Reuse Discharge Guidelines

  • Effluent Polishing Treatment

  • Reuse Pipeline

  • Conclusions


Introduction
Introduction

  • Effluent Reuse Part of Overall Water Resources Management Plan

  • Two Non-Potable Reuse Projects

  • North – Saves 2,296 Ac-ft/yr

  • South – Saves 2,455 Ac-ft/yr

  • In range of water for 2,000 homes

  • EA & FONSI Complete 2001


Effluent reuse users
Effluent Reuse “Users”

  • Existing Potable Water Users

  • Turf Irrigation

  • Cooling Water

  • Feasibility Analysis Identified Potential

  • Design Analysis Further Defined

    • Quantity, Quality

    • Connection Points, Pressure

    • Existing System Modifications Required (Drinking Fountains, etc)


Nmed reuse guidelines
NMED Reuse Guidelines

  • Finalized August 7, 2003

  • Classes of Reuse - IA, IB, 2, 3

  • Sets Performance Limitations

  • More Flexibility in Facilities



Effluent polishing treatment
Effluent Polishing Treatment

  • Low Lift Pumping from Chlorine Contact Chamber

  • Filtration

  • Disinfection

  • Clearwell

  • High Lift Pumping



Filtration screening study
Filtration Screening Study

  • Conventional Deep Bed Coarse Media

  • Automatic Backwash Traveling Bridge

  • Cloth Filters

  • Disk Filters

  • Membrane Filtration

  • “Fuzzy” Filters


Reuse pipeline
Reuse Pipeline

  • Alignment Set By Feasibility Study, EA & FONSI

  • All in Existing R/W

  • Locate within Corridors to Minimize Utility Conflicts

  • Crossing Permits – AMAFCA, MRGCD, BNSF, NMDOT



Mid point storage pump
Mid-Point Storage & Pump

  • Puerto Del Sol Golf Course

  • 1.9 million gallon Storage Tank

  • 560 gpm Pumping Station

  • Height Constraints – FAA & Esthetics

  • Location Constraints – Golfers & Neighborhood

  • Pipeline Location Along Fairway


Mesa del sol recreation area
Mesa Del Sol Recreation Area

  • New Roadway Not Built

  • Follow “Proposed” Right-of-Way

  • 40-50 Foot Cut/Fill


Pipeline constraints non residential areas
Pipeline Constraints – Non-Residential Areas

  • Within Existing R/W

  • Utility Conflict Potential

  • Permitting Issues

    • MRGCD

    • AMAFCA

    • BNSF

    • NMDOT


Pipeline installation residential areas
Pipeline Installation – Residential Areas

  • Residential “Issues”

  • Traffic Control

  • Residential Access

  • “Good Neighbor”


Thank you
THANK YOU!

  • Now-------Questions???


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