DOES DIGGING UP YOUR LANDFILL MAKE SENSE? Wyoming Solid Waste & - - PowerPoint PPT Presentation

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DOES DIGGING UP YOUR LANDFILL MAKE SENSE? Wyoming Solid Waste & - - PowerPoint PPT Presentation

Sep 09, 2023 206 likes •360 views

DOES DIGGING UP YOUR LANDFILL MAKE SENSE? Wyoming Solid Waste & Recycling Association Casper, Wyoming August 22, 2018 Ken Schreuder, P.E., P.G. Ken Schreuder, P.E., P.G . Senior Engineer/Geologist Senior Engineer/Geologist Trihydro

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DOES DIGGING UP YOUR LANDFILL MAKE SENSE?

Wyoming Solid Waste & Recycling Association Casper, Wyoming August 22, 2018 Ken Schreuder, P.E., P.G.

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Ken Schreuder, P.E., P.G.

Senior Engineer/Geologist Senior Engineer/Geologist

Trihydro Corporation kschreuder@trihydro.com

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Landfill Closure Options Project Example Feasibility Study asibility Study Cost & Ranking Lessons Learned Questions

Overview

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Landfill Closure Options

1. 1. Close in place (cap) Close in place (cap) 2. 2. Close on-sit Close on-site in ne in new landf w landfill (liner & ll (liner & cap) cap) 3. 3. Clean closure (dig & Clean closure (dig & haul) haul)

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Project Example

 Sit Site se settin tting  Other considerations Other considerations  Regulat gulatory options

  • ptions
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Feasibility Study

 Preliminar Preliminary re y revie view of

  • f

hydr drogeologic conditions

  • geologic conditions

 Me Methodology f thodology for e r evaluating aluating alt alternativ rnatives es

Prepa Prepared prelimin ed preliminary cost y cost estimat estimates

Identi Identified adv fied advantages & ages & disadv disadvantages antages

Rank Ranked f ed feasibility crit asibility criteria ria to to c compare alte ternatives

 Feasibility Crit asibility Criteria eria

Im Implementability plementability

Re Reduction o

  • f Risk

Shor Short-Term rm Ef Effectiv ctiven eness ess

Long- Long-Term R erm Reliability liability

Cost Cost

Regulat gulatory Suppor Support

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Alternatives and Cost

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10

Alternatives and Ranking

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Lessons Learned

 Charact Characterize sit ze site

Delineat Delineate aerial & e aerial & ve vertical ex exte tent

Test w st wast ste/soil e/soil

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Lessons Learned

 Estimat Estimate w wast ste/soil e/soil ratios ratios

Dif Difficult t icult to segregat segregate e wast ste/co e/cover soil r soil

Im Impract practical t cal to w work ar around trench

  • und trench

walls lls

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Lessons Learned

 Identify back Identify back-hall

  • hall

borr borrow sour source ce  Plan f Plan for contingencies r contingencies

Field screening Field screening

Lab t Lab testi sting

St Stori

  • ring, hauling, &

g, hauling, & disposal (asbest disposal (asbestos, s, liq liquids, HW ids, HW, NORM) , NORM)

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WHA WHAT WHY WHY WHERE WHERE WHEN WHEN WHO WHO HO HOW

Questions?