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2019-12-31 Alternative Cost_20yrEngineers Opinion of Probable Costs  South Tahoe PUD - South Y Feasibility Study Alternatives Analysis Construction and O&M Class 4 OPCC Agency: Project Type:Prepared By:KY, JLL Project Title:Date Prepared:Oct‐2019 Description K/J Proj. No. 1770027*00 ENR 12,354 Item No.Description Qty Units $/Unit  Total  Capital Cost  Direct Facility Costs 1.0 Permitting 600                                             1.1 Optional NPDES permit for stormwater discharge 0 LS 0 ‐                                              1.2 New STPUD Sewer Connection and Permit Fee 1 LS 600 600                                            per year (STPUD Special Discharge Permit) 2.0 Replacement LBWC 4 (LBWC 4R) Well 464,866                                     2.1 Drill/Construct New Well to Zone 1 and 2 1 LF 333,973 333,973                                     2.2 Well Pump and Motor (200 gpm) 1 LS 47,400 47,400                                       2.4 Location Factor @ % of Construction 25% 83,493                                       3.0 GAC Treatment Facility at LBWC 4R 2,222,995                                  3.1 Building Shell (24' x 32') 768 SF 250 192,000                                     3.2 Coverage Purchase 768 SF 25 19,200                                       3.3 Equipment Pads (2‐Inch Thick) 1 CY 626 556                                            TKPOA PCE Facilities Plan, escalated to 2019 Yard Piping 1 LS 81,040 81,040                                      5% of treatment/bldg Capital Electrical/I&C and other 1 LS 314,183 314,183                                    20% of treatment/bldg Capital Site Work General 1 LS 61,999 61,999                                      5% of treatment/bldg Capital  Mob/demob 1 LS 61,999 61,999                                      5% of treatment/bldg Capital 3.4 Granular Activated Carbon Treatment System GAC Contactors 3 EA 327,014 981,042                                    Lakewood Ponders (1597006.00), escalated to 2019 Carbon (Virgin Coconut Carbon) 3 EA 5,500 16,500                                      Based on PDI costs from Pure Effect (PCE concentration <500 µg/L) Piping 1 LS 49,877 49,877                                      5% of GAC Capital 3.5 Location Factor @ % of Construction 25% 444,599.08                                4.0 Iron and Managese Treatment 670,054                                     4.1 Filter Treatment System 1 LS 296,000 296,000                                     Yard Piping 1 LS 22,473 22,473                                      5% of treatment/bldg Capital Electrical/I&C and other 1 LS 89,893 89,893                                      20% of treatment/bldg Capital 4.2 Backwash Tank 1 EA 24,524 24,524                                       Decant pump 1EA ‐                                              4.3 Sodium Hypochlorite  Chemical Piping and Appurtenances 1 LS 3,600 3,600                                         Peristaltic Pump 2 EA 49,871 99,742                                       Hardware for Pump Mounting 2 EA 1,500 3,000                                         NaOCL Pump Skid 1 EA 14,600 14,600                                       NaOCl Storage tank 300 gal 1 EA 8,000 8,000                                         4.4 Location Factor @ % of Construction 25% 108,222.50                                5.0 Water Supply Tie in 155 LF 350 54,250                                       Subtotal Direct Facility Costs 3,412,766                                  Contingency 853,191                                    25% Engineering/Construction Management 853,191                                    20% Subtotal Rounded 5,119,000                                  Total ‐30% Total Construction Total +50% $3,584,000 $5,119,000 $7,679,000 Item Increment O&M Cost ($/year) No. Description Qty Units $/Unit  Total  Total  Annual Operations and Maintenance Costs 1.0 Energy Costs 227,839                                    82,329                                                               1.4 Energy (TKWC 1 Pumping) 87,055 kWh 0.17 14,799                                       ‐                                                                      1.5 Energy (TKWC 2 Pumping) 185,483 kWh 0.17 31,532                                       ‐                                                                      1.6 Energy (TKWC 3 Pumping) 221,222 kWh 0.17 37,608                                       ‐                                                                      1.7 Energy (LBWC 1 Pumping) 65,637 kWh 0.17 11,158                                      (37,464)                                                             Decreased pumping at LBWC 1 as a lag well 1.8 Energy (LBWC 5 Pumping) 331,897 kWh 0.17 56,422                                      43,474                                                               Increased pumping at LBWC 5 as lead well  1.9 Energy (LBWC 4R Pumping) 386,176 kWh 0.17 65,650                                      65,650                                                                1.1 Energy (LBWC 4R Fe &Mn Treatment) 38,618 kWh 0.17 6,565                                        6,565                                                                  1.11 Energy (TKWC metering) 0 ea. 183.48 ‐                                              ‐                                                                      1.12 Energy (LBWC metering) 1 ea. 183.48 183                                            183                                                                     1.13 Energy (other) 3,920 LS 1 3,920                                        3,920                                                                  3.0 Chemicals 13,653                                      13,920                                                               3.1 Sodium Hypochlorite 1,500 gal 9.10 13,653                                      13,652.83                                                          3.2 Sodium Hydroxide 5 L 53.40 267                                            267                                                                     Does not include permitting Does not include permitting The building also covers room for the Iron and Manganese treatment pressure filters See Fe and Manganese table for cost in more details Budgetary Quote from LoPreset. Atec's rough cost estimation is $100k Assume BW tank at a raised elevation for sewer discharge/ unit cost from RSMean Included in the tank quote If stormwater discharge, NPDES permit fee is $13,065 plus cost of application preparation Well 1R drilling (TKPOA) cost/foot scaled to depth of LBWC 4R and escalated to 2019 Costworks ‐ 33‐11‐13‐3100 (25' to 500' deep, 30 HP, 100‐300 GPM Notes/Source STPUD / TKWC / LBWC PCE Extraction plus Meet Demand Alternative 2 Option 1 Potable Reuse Replace LBWC Well 4 and equip w/GAC, Equip LBWC 5 w/GAC Total Costs Carmichael La Vista 30% Design OPCC Total O&M Costs ($/year) Notes/Source Corrosion Inhibitor and pH Adjustment New extraction well pumping 5% of sum of treatment + pumping energy requirements Additional NaOCl for Iron and Manganese oxidation P:\ADMIN\Public Records Requests\PES Environmental 2020\Ivo\Item 11\2019‐12‐31 Alternative Cost_20yr2019‐12‐31 Alternative Cost_20yr