Transfer Transformation New Mexico Case Studies

Transcription

1 New Mexico Recycling and Solid Waste Conference: Integrating Solutions Transfer Transformation New Mexico Case Studies Gordon Environmental, Inc. I. Keith Gordon, P.E. President 1 Number of Landfills in the United States ( ) & Transfer Stations 2 Source: USEPA 1

2 New Mexico Trends Fewer, larger regional landfills; larger wastesheds Closure of the remaining 15 unlined facilities More transfer stations and collection centers More waste diversion, composting and recycling Increased Regional Planning and collaboration Interstate Trend mile RT 120 mile RT 180 mile RT 4 2

3 Transfer = Cost Savings Self-Haul Collection 3-5 Transfer Disposal 5 Integrated Waste Management System Self-Haul Collection Source Separation Transfer Station 6 Materials Recovery Facility Diversion Disposal 3

4 Economic Comparison: Transfer vs. Direct Haul Direct Haul More Cost-Effective Transfer More Cost Effective Direct Haul Cost Transfer Haul Cost Cost of Transfer ($10 per ton) Tipping Fee ($20 per ton) 7 Floor Tipping Options STATIONARY COMPACTOR 8 4

5 Floor Tipping Options Stationary Compactor 9 Floor Tipping Options Full Tunnel 10 5

6 Floor Tipping Options Partial Tunnel 11 Floor Tipping Options Surge Pit 12 Variable Depth 6

7 Peak Flows Floor Storage Required 20% Vehicles Arriving (as percent of daily total) 15% 10% 5% Load-out Rate 0% Time: 13 CASE STUDIES: County Population De Baca County 5 tpd 1,907 City of T or C 30 tpd 11,572 Rio Arriba County 150 tpd (proj.) 40,072 OTHER EXAMPLES: County Population Lea County 300 tpd 68,062 Sandoval County 500 tpd 136,575 SCSWA 525 tpd 213,

8 CASE STUDIES: De Baca County Transfer & Recycling Facility Fort Sumner, NM Replaces outdated Landfill 15 Integrated Solid Waste Solutions C&D Landfill Cell 16 8

9 17 Outdoor Gravity Unloading 18 Stationary Compactor 9

10 19 2,150 ft 2 Tipping Floor $500,000 Capital Costs CASE STUDIES: City of T or C Collection Center T or C, NM Replaces two outdated landfills 20 10

11 21 Backing Apron Partial Tunnel 22 11

12 Pitless Scale 23 5,250 ft 2 Tipping Floor 24 12

13 Loadout Push Wall $650,000 Capital Costs 25 Compaction/Load Levelling Clearstory Panels 26 13

14 Drive-through Tunnel 27 CASE STUDIES: Alcalde Transfer and Recycling Facility Española, NM Replaces outdated transfer 28 14

15 29 Rio Arriba County Rural route collection can cost up to $300 per customer Strategically located collection centers can reduce illegal dumping; and costs for County-wide collections Road Design Parameters Traffic Flow Turning Radii Minimize Crossings Separate Flow Slopes and Ramps Backing Movements Counter Clockwise Road Surfaces 30 Recent studies have found backing is associated with nearly 25% of all accidents involving solid waste trucks. 15

16 One-way Traffic Flow 31 Counter-clockwise Traffic Flow 32 16

17 Pitless Scale 33 Full Depth Tunnel Drive-through Tunnel 34 17

18 28 Roll-up doors 35 6,000 ft 2 Tipping Floor $3 Million Capital Costs 36 18

19 Case Studies Cost Comparison Summary Description De Baca County T or C Alcalde Tons/Day Distance to Disposal Haul Costs $27.00/ton $46.00/ton $40.00/ton Capital Costs $500,000 $600,000 $3,000,000 Gate Fee (LF) $35.00/ton $28.30/ton $26.50/ton TS Tipping Fees $100.00/ton $60.00/ton $55.00/ton Notes: C&D rates vary 37 OTHER EXAMPLES: Lea County Convenience Center North Hobbs Hobbs, NM 38 19

20 Rural Lea County Legend Lea County Landfill Closed Hobbs Landfill Convenience Centers $2.8 Capital Costs 39 Full-depth tunnel option 40 20

21 Waste Diversion 41 OTHER EXAMPLES: Sandoval County Sandoval County, NM 42 21

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23 Peña Blanca Convenience Station Sandoval Landfill On-site Convenience Center 45 Placitas Recycling Center 46 Containerized Composting 23

24 OTHER EXAMPLES: SCSWA Transfer Station Las Cruces, NM Doors Surge Pit Pre-compactor 48 24

25 Mountain View Eco-Station Entrance Approach 49 New Tucumcari Landfill Feasibility Analysis Transfer Station Operations 50 25

26 51 THE END 26