WS-9450_44657_CA_O_20230424_TableCAoptions

Item No.Pilot $Capital $
1 9,600.00$
2 9,000.00$
3 16,000.00$
4 10,000.00$
5 331,128.00$
375,728.00$
Estimated Remdiation Operation Time 3 years
Estimated Annual Operation and Maintenance Costs 10,000.00$
Estimated Total Operation and Maintenance Costs 30,000.00$
Estimated Annual Monitoring Costs 25,000.00$
Estimated Toal Monitoring Costs 75,000.00$
Subtotal Pump and Haul Remediation Costs 515,728.00$
Contingency (10%)55,212.00$
TOTAL PUM AND HAUL REMEDIATION COSTS 570,940.00$
Item No.Pilot $Capital $
1 16,000.00$
2 5,000.00$
3 8,000.00$
4 10,000.00$
5 6,000.00$
6 3,000.00$
7 20,000.00$
68,000.00$
Estimated Remdiation Operation Time 10 years
Estimated Annual Operation and Maintenance Costs 20,000.00$
Estimated Total Operation and Maintenance Costs 200,000.00$
Estimated Annual Monitoring Costs 30,000.00$
Estimated Toal Monitoring Costs 250,000.00$
Subtotal Air Sparging/Soil Vapor Extraction Remediation Costs 568,000.00$
Contingency (10%)56,300.00$
TOTOAL AIR SPARGING/SOIL VAPOR EXTRACTION REMEDIATION COSTS 624,300.00$
Item No.Pilot $Capital $
1 16,000.00$
2 8,000.00$
3 10,000.00$
4 60,000.00$
5 3,000.00$
6 20,000.00$
117,000.00$
Estimated Remdiation Operation Time (Air Sparging)3 YEARS
Estimated Annual Operation and Maintenance Costs (Air Sparging)20,000.00$
Estimated Total Operation and Maintenance Costs (Air Sparging)60,000.00$
Estimated Annual Monitoring Costs (Air Sparing)25,000.00$
Estimated Toal Monitoring Costs (Air Sparging)75,000.00$
Natural Bioremediation 10 YEARS
Estimated Annual Monitoring Costs (Natural Bioremediation)25,000.00$
Estimated Toal Monitoring Costs (Natural Bioremediation)250,000.00$
572,000.00$
Contingency (10%)57,200.00$
TOTAL AIR SPARGING/ENHANCED BIOREMEDIATION COSTS 629,200.00$
Item No.Pilot $Capital $
1 Pilot Testing 35,000.00$
2 10,000
3 Two injections 300,000.00$
345,000.00$
Estimated Remdiation Operation Time 1 YEAR
Estimated Annual Operation and Maintenance Costs -$
Estimated Total Operation and Maintenance Costs -$
Estimated Annual Monitoring Costs 25,000.00$
Estimated Toal Monitoring Costs 25,000.00$
Subtotal Chemical Injection 395,000.00$
Contingency (10%)39,500.00$
TOTAL CHEMICAL INJECTION 434,500.00$
FIVE POINTS TEXACO
CORRECTIVE ACTION OPTIONS
SCOPE AND COST COMPARISIONS
Description
Three (3) 80 foot deep six (6) inch diameter recovery wells
OPTION 1: PUMP AND HAUL
Haul and dispose of contaminated water*
SUBTOTAL
*1.5 gpm x 1440 minutes per day x 365 days per year x 3 years
Description
OPTION 2: AIR SPARGING AND SOIL VAPOR EXTRACTION
Three (3) well pumps and drop pipes
Trenches and lines
Eight (8) 2" dia. soil vapor extraction wells (30 feet deep) = 240 lf of SVE wells
Trenches and lines
Blowers pumps
SVE pumps
Building
Pilot Testing and Startup
SUBTOTAL
OPTION 3: AIR SPARGING AND ENHANCED BIOREMEDIATION
Description
Eight (8) 4" dia. air sparging wells, 50 (50) feet deep = 400 lf of sparging wells
Eight (8) 4" dia. air sparging wells, 50 (50) feet deep = 400 lf of sparging wells
10,000 gallon above ground storage tank
Lines and secondary containment for storage tank
SUBTOTAL
Quarterly Microbe Injections: 4 per year x 3 years = 12 injections @ $5,000 each
SUBTOTAL
Blowers pumps
Building
Pilot Testing and Startup
Subtotal Air Sparging/Enhanced Bioremediation Costs
OPTION 4: CHEMICAL INJECTION**
Description
Injection Wells