THE URBAN QUARRY

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THE URBAN QUARRY

• Rick C. Givan
• Recycled Materials Company, Inc.
• Denver, Colorado
• GREEN HIGHWAY FORUM
• 2005

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CMRA

• CONSTRUCTION MATERIALS RECYCLING ASSOCIATION

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URBAN REDEVELOPMENT AS AN AGGREGATE RESOURCE

• Highway Re-construction
• BRAC
• Shipyards
• Rail and Industrial
• Airports
• Dam and Reservoir
• Large Infrastructure

• DEMO WITH INTENT TO RECYCLE
• Re-Use Planning
• Sustainability Goals
• Application Engineering
• Recycled Aggregates Base Materials, Utility
  Bedding, Drain Rock, Trail Cover, Concrete Rock
  and Clean Rock Uses

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Re-Use Planning

• Project Plan Involves Re-Use
• Stated as a Project Mission-Driven by Economies
  of Re-Use
• Schedule, Handling, Specialties
• Buy-In of
• Owners
• Engineers
• Contractors
• Partnering Concept

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Sustainability Goals

• Planning Evolves Goals
• Recycle for Sustainability
• Re-Use of Resources Where Economic
• Mitigate Depletion
• Reduce Impacts
• Traffic Rounds
• Emissions
• Land Fill Impact 11 Concrete vs 101 Trash

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Application Engineering

• Utilization of the Recyclable Resource
• Recycle Alternates
• Reduction of Virgin Materials
• Pavement Sections
• Mix Designs
• New Applications

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CASE STUDY---STAPLETON

• 5,OOO ACRE INTERNATIONAL AIRPORT
• RELOCATED AND SLATED FOR REDEVELOPMENT
• 1,000 ACRES OF PAVED HARDSCAPE
• 6,500,000 TONS OF CONCRETE, ASPHALT AND BASE
  COMPOSITES
• RMC INTENT TO REMOVE AND RECYCLE ENTIRE FACILITY
  10 YEARS

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PROS AND CONS

• CHALLENGES
• QUANTITY SURVEY
• MATERIAL QUALITY
• APPLICATION ACCEPTANCE
• VOLUME RELATIVE TO MARKET
• COST/REVENUE MODEL

• OPPORTUNITIES
• QUARRY HAUL
• PARTNERING SUPPORT---DEVELOPER AND CITY
• APPLICATION EXPERIENCE OF RECYCLE TEAM
• IF HIGHER VALUEMODEL IS POSITIVE FOR COST/REVENUE

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REMOVAL NOTES

• EQUIPMENT
• GATE BREAKER 9 TON
• OFF ROAD HAUL---990 12 CY YARD LOADER
• NORDBERG PRIMARY 54 JAW WITH DOUBLE FEEDERS

• PRODUCTION NOTES
• BREAK, LOAD AND HAUL 5,000 TNS PER 9 HOUR SHIFT
• 1,000,000 TONS PER YEAR
• 6 YEARS CONTINUOUS REMOVAL

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RECYCLED AGGREGATE PRODUCTION

• PRODUCE 14 DIFFERENT PRODUCTS
• HIGH QUALITY CONCRETE ROCK
• SPECIALTY PRODUCTSSTACKABLE STONE, COLORED
  LANDSCAPE MATERIALS
• SOME OF BLENDED MATERIALS---NO WASTE

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MAJOR PROJECT OBJECTIVE---USE OF RECYCLED COARSE
AGGREGATE ON CDOT PROJECT OR PROJECTS

• PRODUCE SPECIFICATION 57 AND 67 CA FOR CONCRETE
  PAVING
• ESTABLISH MIX DESIGNS
• 1ST PROJECT 2000---MULTIPLE PROJECTS FROM 2000
• ACCEPTANCE STANDARD---5 YEAR WARRANTY JOBS

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CONCRETE PAVEMENT MIX DESIGNS WITH RECYCLED CA
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CONCRETE PAVEMENT PROJECT SUMMARY

• CDOT---I-70
• CDOT---I-76
• CDOTI-25
• CCOD---RESIDENTIAL
• CCOD ---ALLEY
• SITECURB, WALK, STREET AND ARTERIAL

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PRODUCTION AND SALE DENVER METRO

• RESIDENTIAL SLAB AND FOUNDATION
• WALK AND CURB
• RESIDENTIAL STREET AND ALLEY
• COMMERCIAL SLAB AND FOUNDATION
• CONCRETE PAVING PER AGGREGATE APPROVAL

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NEXT MILESTONE

• EL TORO
• BRAC ORANGE COUNTY, CA
• 5,000 ACRE SITE
• 4,000,000 TONS HARDSCAPE AND INFRASTRUCTURE
• PARTNERING WITH DEVELOPER, CITY AND RECYCLER
• RE-USE 100 ON SITEAPPLICATION ENGINEERING

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A SUMMARY

• REDEVELOPMENT OFFERS MAJOR RESOURCE
• RECYCLED AGGREGATE PRODUCTION QUALITY AND
  STANDARDS EQUAL TO NATURAL
• FOCUS ON SPECIFICATIONS
• UNIFORM ACCEPTANCE AND USE SHOULD RESULT FROM
  UNILATERAL STANDARDS