Schedule of Values
2021 Landfill Gas Expansion
Four Hills Landfill
Nashua, New Hampshire
Prepared January 22, 2021
Estimated
Item _.. . Estimated Cost] Extended
No. Description (w/ unite) ($/units) Prices (3)
la | Mobilization/Demobilization 1 LS ($24,000.00, LS $24,000.00
ib | Drill Rig Mobilization/Demobilization 1 LS [$9,000.00] LS $9,000.00
2 | Vertical LFG Extraction Wells 354 VF | $155.00 | VF $54,870.00
3 | Dewatering Pumps 9 EA (56,350.00| EA) $57,150.00
4 |Pipe Trenches :
a. 6" Solid SDR 17 HDPE Pipe Trench (Single Pipe} 250 LF | $67.00 LF $16,750.00
b, Dual Pipe Trench - Two 6"9 Solid SDR 17 HDPE
Pipes (in same trench] 90 | LF | $108.00] LF | $9,720.00
c. Three-Pipe Trench - 2"@ SDR-9 HDPE Compressed
Air Pipe, 3"@ SDR 11 HDPE Condensate Main, and 6"S 1,325 LF | $66.00 LF $87,450.00
Solid SDR 17 HDPE Pipe for Gas Conveyance
5 __{DrainTube Surface Collection Layer (One Roll Width) 1,000 LF LF j $36,000.00
6 |40-mil thick HDPE Geomembrane 25,300 SF LF | $63,250.00
7 |Wellhead Assemblies
a. Furnish & Install New Wellhead Assemblies 12 EA j $860.00 | EA | $10,320.00
b, Reuse Existing Wellhead Assembles i EA | $350.00 | EA $350.00
8 | Air Line Isolation Valves 2 EA | 3900.00 | EA $1,800.00
9 {Condensate Traps 4 EA ($2,900.00) EA | $11,600.00
9 |Bentonite Seals 6 EA |$2,600.00| EA | $15,600.00
11 [Survey 1 LS ($10,000.00) LS $10,000.00
Total) $407,860.00
Notes:
1. All pipe lengths in the table above are plan view lengths (2D) and do not account forslope.
2, Refer to drawings titled “Concrete Block Wall Corrective Action," dated January 2021.
PA300Gs\3066.21\Souren Files\Schedute of Values\,
20210122 Block Wall LFG Schedule cf Valuesxdsx Page 1 of 1 Sanborn Head & Associates, Inc.
