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GRAND VALLEY REGIONAL BIOSOLIDS AUTHORITY
Cost Comparison of Various Recycling Options
Tom Kent Deputy Director of Public Works
City of Wyoming
2001 2002
2003 2004 2005 2006
Wyoming Facilities Plan
GR Comprehensive Master Plan
Challenges and a Vision
2007 2009 2011 2013
Challenges 2001
• Grand Rapids
– Contract dewatering using centrifuges
– Older facility needed updating
– All solids sent to landfill
– Tipping fees and landfill availability in question
– Desire to implement an EMS
• Wyoming
– Class B Biosolids
– Liquid land application only
– High energy costs and trucking fees
– Availability of local land
– Public acceptance
– Desire to implement an EMS
2001 2002
2003 2004 2005 2006
Formal Discussions
Vision Team Formation
Trips to N. Royalton, Ohio
and Ontario, Canada
2007 2009 2011 2013
Vision Team
• Elected officials and staff:
– GR City Commissioners
– GR Deputy City Manager
– GR City Engineer
– GR WWTP staff
– Wyoming Administrative and CWP staff
• Composting and heat drying projects
2001 2002
2003 2004 2005 2006
Project Team Formation
Earth Day - GR Commission / Wyoming City Council sign a
Memorandum of Agreement
2007 2009 2011 2013
Project Team
• Grand Rapids:
– GR City Engineer and staff
– GR Administrative
– GR WWTP staff
• Wyoming:
– Wyoming Administrative
– Wyoming CWP staff
• Black and Veatch
2001 2002
2003 2004 2005 2006
Earth Day – Mayors sign
Articles of Incorporation
for the GVRBA
2007 2009 2011 2013
Biosolids Program Costs Dry Ton Basis (Composite) - Existing/Separate Program
Regional Program w/ Storage
0
50
100
150
200
250
300
2000 2005 2010 2015 2020 2025 2030
Year
Co
st
($/d
t)
Regional Project
Separate Projects
2001 2002
2003 2004 2005 2006
Vision Meets Reality:
Digestion, Dewatering, Drying and Pelletizing
Projected Costs of $113M in Capital
Cost per Dry Ton = $600
2007 2009 2011 2013
2001 2002
2003 2004 2005 2006
Business Plan 2006
B&V Authorized for Preliminary Design/Study
Evaluation of Reduced Cost Options
Evaluation of Alternative Financing Sources
2007 2009 2011 2013
2001 2002
2003 2004 2005 2006
Selection of Dewatering Only Option
SRF Eligible Project
Owner Financed and Operated
Reduced Project Cost of $34M
2007 2009 2011 2013
2001 2002
2003 2004 2005 2006
Project Construction
Four Distinct Segments
Retention of Land Application Program
2007 2009 2011 2013
GVRBA
• Pump Station at Wyoming CWP
• Dual HDPE Pipelines
• 2 – 1 MG Storage Tanks at GR WWTP
• Dewatering Facility
– 3 Siemens Centrifuges
– 2 – Storage Silos
Grand Rapids WWTP
Wyoming CWP
Liquid Land Application
Landfill To
Energy
Composting
GVRBA DRY TON COMPARISON
Fiscal Year 2013-14
GR Dry Tons:
Landfill 3,751.0
Compost 7,615.7
GR Total 11,320.0
Partner Percentage 61.85%
Wyoming Dry Tons:
Landfill 286.2
Compost 580.8
Land Applied 6,114.6
Wyoming Total 6,981.6
Partner Percentage 38.15%
AUTHORITY TOTAL DRY TONS 18,301.5
Annual Capital Cost:
Segments 1-4 Annual Debt Service $2,099,381
GR Share $1,298,522
Wyoming Share $800,859
GR Comptroller $5,000
GVRBA Administration Services $35,000
TOTAL $2,139,381
FIXED OR UNALLOCATED COST / DRY TON $116.90
GVRBA DRY TON COMPARISON
Fiscal Year 2013-14
Land Application:
Transport and Field Application $995,000
MDEQ Program Fee $44,328
Wyoming O&M $338,102
Wyoming CWP Storage Tanks $417,146
TOTAL $1,794,576
LAND APPLICATION ALLOCATED COST / DRY TON $293.49
Landfill Program:
Landfill Fees $333,000
Trucking $128,000
GRWWTP - Op/Maint. (Segments 1 & 4) $241,687
GRWWTP - Polymer $249,482
WCWP - Op Costs (Segments 2 & 3) $42,216
Share of Side Stream Loading $325,713
Share of Miscellaneous Costs $39,600
Share of Centrifuge Service Agreement $2,244
TOTAL $1,361,943
LANDFILL PROGRAM ALLOCATED COST / DRY TON $337.35
GVRBA DRY TON COMPARISON
Fiscal Year 2013-14
Compost Program:
Contracted Recycling $769,300
GRWWTP - Op/Maint. (Segments 1 & 4) $490,693
GRWWTP - Polymer $506,518
WCWP - Op Costs (Segments 2 & 3) $85,711
Share of Sidestream Loading $661,287
Share of Miscellaneous Costs $80,400
Share of Centrifuge Service Agreement $4,556
TOTAL $2,598,464
COMPOST PROGRAM ALLOCATED COST / DRY TON $317.02
TOTAL BUDGET $7,894,364
GVRBA DRY TON RATE $431.35
Cost Summary
• Land Application - $293.49 / Dry Ton
– 6,100 Dry Tons Annually
• Landfill to Energy - $337.35 / Dry Ton
– 4,000 Dry Tons Annually
• Composting - $317.02 / Dry Ton
– 8,200 Dry Tons Annually
2001 2002
2003 2004 2005 2006
Evaluation of New Options and Financing
Local Composting Option
Future Value of Biosolids
2008 2010 2011 2013
Future of Biosolids
• New era of resource recovery
– Biogas
– Energy
– Nutrients
• Phosphorus
• Public / Private Enterprise
• Financial Resource
– Cost / Dry Ton becomes Revenue / Dry Ton
