shane wright, danielle gregory, chet manning, hector alanis · 2012-04-12 · differences between...
TRANSCRIPT
Shane Wright, Danielle Gregory, Chet Manning, Hector Alanis
• Production 10,000 person development
Each person produces 5 pounds of waste per day
This means 350,000 pounds of trash per week
Each truck can handle 18,750 pounds per load and 5 loads per day
Only two trucks needed
• Landfill Capacity 12 year
Capable of holding roughly 265,000 CY of solid waste
20 year
Capable of holding 430,000 CY of solid waste
Operating Cost 20-Year
Truck Driver $30,000
Equipment $42,000
Facility Manager $60,000
Truck Maintenance $10,000
Gas $12,000
Total $154,000
Capital Cost 20-Year
Liner (clay, and plastic) $250,000
Bulldozer $70,000
Trash Compactor $85,000
Truck $250,000
Dirt Work ($5/yd^3) $1,000,000
Paved Area $200,000
Filter Fabric $6,000
Leachate System $100,000
Total $2,211,000
Landfill budget includes: Infrastructure Construction Gas Maintenance Employee wages
Differences between 12-Year and 20-Year Lifespans include: Construction Costs
Total Liner
Filter Fabric
Total number of landfill closures and openings
Operating Cost 12-Year
Truck Driver $30,000
Equipment $42,000
Facility Manager $60,000
Truck Maintenance $10,000
Gas $12,000
Total $154,000
Capital Cost 12-Year
Liner (clay, and plastic) $132,600
Bulldozer $70,000
Trash Compactor $85,000
Truck $250,000
Dirt Work ($5/yd^3) $665,000
Paved Area $200,000
Filter Fabric $3,300
Leachate System $100,000
Total $1,755,900
Assumptions Interest rate of 7%
Lifespan, and capital and operating costs shown above
Yearly income of $288,000 found using current Brazos Valley tipping fees of $30/ton
60 year analysis
Option 1 (20 years) is $100,000 cheaper than Option 2 (12 years)
How to Pay Cost of Landfill:
$157 per household in entire city
$1,480 per household in neighborhood
Grants Covers 50-100% of the leachate system cost
Bonds 7% interest, 10 Years
Total Capital Cost: $3.7 Million
Potential Bonds
Performance bond
General Revenue Bonds
•Will meet TCEQ requirements •430,000 cy volume, 5 acre Footprint •25 ft deep and 25 feet above grade •125’ buffer zone around landfill •Will utilize a 1600 sq ft work area and compact a 3ft depth of trash 6” cover over compacted trash •Work area will be able to process 177,000 lbs of trash •Waiting and truck inspection area at landfill entrance
Go With 12 year landfill design, cheaper upfront cost, higher long term cost
Coordinate with the City of College Station to make use of the Twin City Landfill.