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                                                                                           Proposal No. Q10684
                                                                                            Date:  February 16, 2018

               EQUIPMENT PROPOSAL COST BREAKDOWN

               We are pleased to propose the following Ludell Waste Water Heat Recovery System to be installed by
               the customer.  The proposal includes the following equipment:

               REQUESTED ITEM:  HEAT EXCHANGER(S)
               PRICE: $174,464.00

               Ludell Model: 2-16-30 Heat Reclaimer Includes the Following Features:
               • Two (2) Ludell Shell and Tube Heat Reclaimer sections, 30 ft. Long and 16 in. Diameter
               • 316L Stainless Steel Construction of the 3/4" O.D. tubes, shell, tube sheets, baffles, tie rods, and nozzles
               • Two (2) Waste water adaptors (316L SS stainless steel)
               • One (1) Continuous tube waste water inter-connector (316 stainless steel)
               • Two (2) Waste water adaptor TEMA gasket and two (2) inter-connector full faced gaskets
               • One (1) Fresh water inter-connector standard ring gasket
               • One (1) Set of nuts and bolts to assemble the Ludell Heat Reclaimer
               • One (1) Pressure relief valve, 3/4", set at 100 psi
               • One (1) Set of Ludell Heat Reclaimer interconnecting supports and floor mounted supports
               • Four (4) Dial thermometers, bi-metal type, with a range of 0 to 250 Deg. F

               4-Way Backflushing Valve (Ship Loose Component):
               • 6” Dezurik Four-Way backflushing valve, cast semi-steel material, 316L SS Plug
               • Cv ~ Straight Flow 900 GPM Flow Rate, Cv ~ 90 Degree Flow 730 GPM Flow Rate
               • Air cylinder actuator
               • Air filtered four-way solenoid valve

               Design:
               • 800 GPM
               • Velocity is 2.88 ft. per second
               • Shell Side (Fresh Water) Pressure Drop is 13.09 PSIG
               • Tube Side (Waste Water) Pressure Drop is 2.0 PSIG

               Optional Add-On:
               • One (1) Additional Ludell Heat Reclaimer section, 30 ft. Long and 16 in. Diameter
                  (Shell Side Pressure Drop increases to 19.60 PSIG, Tube Side increases to 3.0 PSIG)
               • 304L SS Floor Mounted Heat Reclaimer Supports
               • GAIN ADDITIONAL 5 DEGREES ON PROCESS WATER TEMP
                  (Reduces Waste Water Discharge Additional 5 Degrees)
               • ADDITIONAL FUEL SAVINGS:  $161,472.00 PER YEAR

               ADD-ON PRICE: $66,150.00
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