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Attachment 4
<br /> Forward Landfill- 187.6-Acre Closure Area
<br /> Gas Control System Modifications Cost Estimate
<br /> Item Qty 187.6- Total
<br /> No. Description Unit Unit Costs
<br /> Acre Area Cost
<br /> 1 Construction Mobilization/Demobilization(1) 0 EA $ - $0
<br /> 2 Salvage and re-install well manifold 38 EA $ 2,383.15 $89,416
<br /> 3 Salva a and re-install wellhead assembly 29 EA $ 200.53 $5,852
<br /> 4 2"SCH 80 PVC well lateral&fittin s in trench/sleeve 3,669 LF $ 7.65 $28,077
<br /> 5 2"SDR 9 HDPE compressed air in common trench(jumper) 6,253 LF $ 2.98 $18,626
<br /> 6 Salvage and re-install 2"HDPE compressed air/condensate lines 36,686 LF $ 1.64 $60,275
<br /> 7 2"SDR 11 HDPE condensate line in common trench (jumper) 6,253 LF $ 2.19 $13,721
<br /> 8 4"SDR 17 HDPE,single pipe in trench 125 LF $ 14.72 $1,841
<br /> 9 4"SDR 17 HDPE,multiple lines in common trench 4,169 LF $ 8.83 $36,810
<br /> 10 18"PVC Blind Hang e 4 EA $ 758.88 $3,164
<br /> 11 4"HDPE Electro-fusion coupling 334 EA $ 82.28 $27,440
<br /> 12 Cut&Cap existing 2"HDPE air or condensate line(HDPE) 75 EA $ 73.14 $5,488
<br /> 13 Cut&Cap existing 4"HDPE well lateral(PVC) 334 EA $ 70.09 $23,375
<br /> 14 Cut&Cap existing 18"HDPE header(PVC) 33 EA $ 423.63 $14,128
<br /> 15 Install 18"x 8"HDPE saddle(for tem ora um er) 29 EA $ 654.91 $19,112
<br /> 16 2"PVC Mip Adapter into existing HDPE or PVC header 29 EA $ 37.63 $1,098
<br /> 17 Salvage and re-install 18"x 6"PVC Saddle/Tee @ manifold 21 EA $ 603.22 $12,574
<br /> 18 Salvage and re-install 18"x 6"HDPE Saddle/Tee @ manifold 13 EA $ 543.67 $6,800
<br /> 19 Salvage and re-install 18"PVC Elbow 13 EA $ 603.22 $7,544
<br /> 20 Salvage and re-install 18"HDPE Flange Adapter&Hardware 4 EA $ 271.84 $1,133
<br /> 21 Salvage and re-install 18"PVC Flange&Hardware 13 EA $ 362.55 $4,534
<br /> 22 18"SDR 17 HDPE pipe in trench(as required) 834 LF $ 57.46 $47,911
<br /> 23 Salvage and re-install 18"SDR 17 HDPE in trench 5,420 LF $ 48.23 $261,385
<br /> 24 Salvage and re-install 18"x 14"HDPE Eccentic Reducer 42 EA $ 271.84 $11,333
<br /> 25 Salvage and re-install 18"SCH 40 PVC Header on pipe supports 12,924 LF $ 32.81 $423,983
<br /> 26 Salvage and re-install double pipe support 792 EA 1 $ 213.21 $168,880
<br /> 27 linstall double pipe support 83 EA $ 303.35 $25,293
<br /> 28 18"PVC Schd40 Pipe on Supports 1,251 LF $ 55.58 $69,507
<br /> 29 ISalvage and re-install 14"ITC Flex Hose and clams 75 EA $ 274.94 $20,632
<br /> 30 Salvage and re-install 18"x 14"Eccentric PVC Reducer 117 EA $ 362.55 $42,320
<br /> 31 Salvage and re-install 18"Butterfly Valve 4 EA $ 667.30 $2,782
<br /> 32 Salvage and re-install Condensate Pump Station 4 EA $ 2,803.70 $11,688
<br /> 33 Salvage and re-install 18"x 4"HDPE Tee(at sum ) 4 EA $ 407.76 $1,700
<br /> 34 Salvage Covanta Energy pipingon grade 1 LS $ 7,950.00 $7,950
<br /> 35 Re-install Covanta Energy pipingon grade 1 LS $ 13,780.00 $13,780
<br /> 36 Cut&Cap Covanta Energy Vertical Gas Extraction Well 50 EA $ 304.75 $15,246
<br /> 37 Extend Covanta Energy Vertical Gas Extraction Well 50 EA $ 609.50 $30,491
<br /> 38 Extend Condensate Pump Station 21 EA $ 1,676.13 $34,938
<br /> 39 Single Pipe Support 17 EA $ 55.15 $920
<br /> 40 Salvage and re-install single pipe support 83 EA $ 44.12 $3,678
<br /> 41 6"CSP Sleeve Road Crossing 1,834 LF $ 12.72 $23,332
<br /> 42 lInstall 10"x 6"PVC saddle or tee(for temporary manifold) 4 EA $ 340.41 $1,419
<br /> 43 8"PVC flange&hardware 4 EA $ 355.56 $1,482
<br /> 44 8"HDPE flange adapter,back-up ring,&hardware 4 EA $ 336.78 $1,404
<br /> 45 14"x 8"PVC Reducer 4 EA $ 774.78 $3,230
<br /> 46 14"PVC Elbow 4 EA 1 $ 512.12 $2,135
<br /> 47 18"PVC Couplings 625 EA 1 $ 332.08 $207,659
<br /> 48 Paint PVC Well heads/Pipin 1 LS 1 $ 56,180.00 $56,180
<br /> 49 18"Electrofusion Coupling 33 EA 1 $ 986.78 $32,910
<br /> 50 4"PVC Couplings 104 EA $ 31.03 $3,234
<br /> 51 6"PVC Couplings 125 EA $ 52.72 $6,594
<br /> Subtotal $1,915,005
<br /> 52 Miscellaneous lue/ rimer&shipping1°/u 1 LS $ 19 150.05 $19,150
<br /> NOTES:
<br /> TOTALL-.- 1,934,1 55
<br /> Mobilization and demobilization included in Section 1 of Table 3.
<br /> Salvaged PVC header will have existing bells removed and replaced with couplings for re-installation.
<br /> Salvaged PVC fittings will be re-connected via installation of new couplings on both sides of fitting.
<br /> Salvaged PVC and HDPE pipe and fittings may require that some new replacement materials be purchased.
<br /> unit costs utnizea in tnis attacnment were ootainea rrom recent construction Dias Tor ongoing worKiexpansion or the U-u system. i ne materiai
<br /> quantity were based on the 187.6 acres closure area in proportion to the closure of the Stage 1 A partial closure project completed at the Forward
<br /> Landfill. Unit costs were adjusted reflect 2013 prices.
<br /> Attach 4 Forward-FFG Syst Back-up.AsBASC
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