Engineer: Hayes, Seay, Mattern & Mattern

Wet Tons/Day: 25

Cake Solids: 16%

Dry Tons/Day: 4

Operational: June, 1994

Description: Extended aeration plant. Solids from the secondary clarifiers are blended in a holding tank prior to dewatering by one 1.5 meter REX Belt Filter Press. Pasteurized biosolids are land applied to pasture land and State forest lands. Added 2nd train to existing plant in 1998.

Engineer: McGill Associates

Contractor: Hickory Construction Company

Wet Tons/Day:  15

Cake Solids:  20%

Dry Tons/Day:  3.0

Operational: March, 1996

Description: Extended aeration process. Solids from the secondary clarifiers are thickened with a DAF prior to dewatering on one 2.0 meter Enviroquip belt filter press. Biosolids are given to local cattle ranchers.

Engineer: Crawford Murphy & Tilly, Inc.

Contractor: River City Construction Company

Wet Tons/Day:  40.0

Cake Solids:  20%

Dry Tons/Day:  8.0

Operational: September, 1995

Description: Anaerobically digested primary, aerobically digested secondary sludge and lime water plant sludges are combined and blended prior to dewatering. One 2.0 meter ASH Klampress is used for dewatering. The biosolids are land applied to local agricultural fields.

Engineer: Mittauer & Associates Inc.

Contractor: Beach Construction, Inc.

Wet Tons/Day:  66.7

Cake Solids:  12%

Dry Tons/Day:  8.0

Operational: September, 1995

Description: Oxidation ditch process. Secondary solids are gravity thickened prior to dewatering. The plant uses two older Parkson 2.0 meter belt filter presses.

Wet Tons/Day:  264.0

Cake Solids:  25%

Dry Tons/Day:  66

Operational: April, 1995

Description: This is a primary treatment process. The solids are dewatered by four centrifuges. The pasteurized solids are used by various local farmers on a variety of crops.

Engineer: Camp, Dresser & Mckee

Contractor: Shook Heavy & Environmental Group

Wet Tons/Day:  50

Cake Solids:  20%

Dry Tons/Day:  10

Operational: May, 1996

Description: Conventional activated sludge process where the combined primary and secondary solids are blended. Dewatering is accomplished with two 2.0 meter ASH Klampresses that are preceded by two ASH GBT (gravity belt thickeners).

Engineer: NRS Consulting Engineering

Contractor: Milton Hambrice, Inc.

Wet Tons/Day:  13.3

Cake Solids:  30%

Dry Tons/Day:  4.0

Operational: January, 1996

Description: Oxidation ditch process. Secondary solids are dewatered on a rotary drum precoat filter that utilizes diatomaceous earth instead of polymer.

Engineer: Crawford, Murphy & Tilly

Contractor: River City Construction Company

Wet Tons/Day:  13.3

Cake Solids:  30%

Dry Tons/Day:  4.0

Operational: January, 1996

Description: Oxidation ditch process. Secondary solids are dewatered on a rotary drum precoat filter that utilizes diatomaceous earth instead of polymer.

Engineer: Lockwood, Andrews and Newman

Contractor: Belmont Constructors, Inc.

Wet Tons/Day:  23.6

Cake Solids:  18%

Dry Tons/Day:  4.25

Operational: November, 1996

Description: This plant operates an Envirex Orbal Process. The secondary solids are dewatered by two 2.0 meter Enviroquip Belt Filter Presses

Engineer: Clark Dietz, Inc.

Contractor: J.J Henderson & Sons, Inc.

Wet Tons/Day:  90

Cake Solids:  20%

Dry Tons/Day:  18

Operational: December, 1996

Description: Conventional activated sludge process with combined primary and secondary solids. The dewatering operation uses two Humboldt Centrifuges. The biosolids will be land applied to local farmland on a variety of crops.

Engineer: Hole, Montes & Associates, Inc.

Contractor: Wharton-Smith Inc.

Wet Tons/Day: 0

Cake Solids: 0

Dry Tons/Day: 0

Operational: March, 1997

Engineer: PDR Engineers. Inc

Contractor: W. Rogers Company

Wet Tons/Day:  22

Cake Solids:  18%

Dry Tons/Day:  4

Operational: September, 1997

Description: Conventional activated process. The dewatering operation uses a single Ashbrook Belt Filter Press. The biosolids will be land applied to local farmland on a variety of crops.

Engineer:  J.R Wauford

Wet Tons/Day: 0

Cake Solids:  18%

Dry Tons/Day: 4

Operational: Spring, 1995

Description: The dewatering operation uses two 2M Komline Belt Filter Presses. The system ultizes a ThermoFeeder and ThermoBlender to process cake. The biosolids will be land applied.

Engineer: Vierbicher Associates

Contractor: Staab Construction Company

Wet Tons/Day:  7

Cake Solids:  15%

Dry Tons/Day: 1

Operational: December, 1996

Description: Primary anaerobically digested sludge is combined with waste activated sludge in a sludge blending tank. The combined solids are pumped to a Somat Screw Press. The biosolids are land applied to local farmland on a variety of crops.

Engineer: Thomas Fok & Associates, Ltd.

Contractor: A.P O’Horo Company

Wet Tons/Day:  80

Cake Solids:  22%

Dry Tons/Day:  18

Operational: June, 1997

Description: Primary sludge will be dewatered by 2 Ashbrook Belt Filter Presses. The biosolids are to be sold to a large developer as well as smaller markets for residential and agricultural use.

Engineer: Haworth, Meyer & Boleyn, Inc.

Contractor: Winchester Municipal Utilities

Wet Tons/Day:  95

Cake Solids:  15%

Dry Tons/Day:  14

Operational: September, 1997

Description: Conventional activated sludge will be processed as well as sludge from existing 10 year old sludge lagoons. Two Andritz Belt Filter Presses will provide the dewatered cake. Biosolids will be land applied to local farmland on a variety of crops.

Engineer: Camp Dresser & McKee Inc.

Contractor: Van Horn Construction

Wet Tons/Day:  9.6

Cake Solids:  18%

Dry Tons/Day:  53.6

Operational: Jul-98

Description: The Fort Smith project consists of two similar Class A Pasteurization systems at the P Street and Massard Plants.Both plants have the same capacities listed above.Dewatering at P Street is accomplished with two Belt Filter Presses while two coil filters are utilized at Massard.

Engineer: Applied Technologies, Inc.

Contractor: B&P Mechanical

Wet Tons/Day:  30

Cake Solids:  17%

Dry Tons/Day:  5

Operational: August, 1997

Description: Anaerobically digested sludge will be dewatered by a Komline Sanderson Belt Filter Press. The pasteurized biosolids will be land applied locally to farmlands. The City also plans to accept liquid sludge from surrounding communities that will also be pasteurized.

Wet Tons/Day:  39

Cake Solids:  23%

Dry Tons/Day:  8.97

Operational: Jan-98

Description: Solids are trucked in to a Live Bottom Bin then stabilized to class A.

Engineer: McGill Associates

Contractor: Mountain Shores Construction

Wet Tons/Day:  16.5

Cake Solids:  17%

Dry Tons/Day:  2.8

Operational: December, 1997

Description: Anaerobically digested sludge will be dewatered by a 2.0 meter Belt Filter Press. The pasteurized biosolids will be land applied locally to farmlands. The biosolids product will be enhanced by the use of quicklime and dolomitic lime. The dolomitic lime is locally available and provides a cost effective source of Mg, which is needed for the soil conditions in this region of North Carolina.

Wet Tons/Day: 0

Cake Solids:  20%

Dry Tons/Day: 0

Operational: December, 1997

Cake Solids:  18%

Operational: October, 1997

Description: SBR sludge dewatered on a belt filter press. The pasteurized biosolids will be land applied locally to farmlands and used for mine site reclamation…

Engineer: Jones & Carter, Inc.

Contractor: N&S Construction Co. LLC.

Wet Tons/Day:  23.6

Cake Solids:  18%

Dry Tons/Day:  4.25

Operational: November, 1996

Description: Facility is an extended air waste activated sludge plant which is being upgraded by the addition of primary clarification to the existing facility. Sludge is a blend of primary and secondary solids dewatered on a 2.0 meter belt filter press.

Wet Tons/Day: 0

Cake Solids: 0

Dry Tons/Day: 0

Operational: 1997

Engineer: McGill Associates

Contractor: Mountain Shore Construction Corp.

Wet Tons/Day:  18

Cake Solids:  17%

Dry Tons/Day:  3

Operational: Summer 1998

Description: The sludge is generated from the plant’s activated sludge biological treatment process. This process incorporates aeration, secondary clarification, aerobic digestion and subsequent dewatering by a 1.0 meter belt filter press.

Engineer: Town & Country Engineering, Inc.

Contractor: Staab Construction Co., Inc.

Wet Tons/Day:  25

Cake Solids:  18%

Dry Tons/Day:  4

Operational: Summer, 1999

Description: Sludge is thickened w.a.s. from an Eimco Oxidation ditch and is dewatered with a 2.0 meter Andritz SMX belt filter press.

Engineer: Triad Engineering Inc.

Contractor: Indiana Construction Corp.

Wet Tons/Day:  25

Cake Solids:  22%

Dry Tons/Day:  6

Operational: Spring, 1999

Description: Sludge is a blend of primary and secondary solids dewatered on a 2.0 meter Ashbrook Model 94 belt filter press.

Engineer: Forsgren Associates

Contractor: Lamb Engineering and Construction

Wet Tons/Day:  9.2 @ 18%

Cake Solids:  14-22%

Dry Tons/Day:  1.65

Operational: 20-May-98

Description: The sludge generated from the biological treatment of municipal wastewater. The plant utilizes an extended aeration activated sludge process where in waste activated sludge shall be gravity thickened the sludge shall be subsequently chemically conditioned using polymer and then dewatered using belt filter presses.

Engineer: Horner & Shifrin, Inc.

Contractor: S.M. Wilson & Company

Wet Tons/Day:  262

Cake Solids:  22%

Dry Tons/Day:  58

Operational:  Spring ‘99

Description: Secondary sludge is Gravity Belt thickened and then combined with primary sludge prior to two Andritz Belt Filter Presses

Engineer: CH2M Gore & Storrie, Ltd.

Contractor: Kenaidan Contracting, Ltd.

Wet Tons/Day:  48

Cake Solids:  20-25%

Dry Tons/Day:  12

Operational: September‘99

Description: Primary and secondary solids dewatered with a rotary press. Full pasteurization at 70 for 30 minutes required for treatment of “golden nematote”.

Engineer: Dufresne-Henry, Inc.

Contractor: Pizzagalli Construction Company

Wet Tons/Day:  35.5

Cake Solids:  18%

Dry Tons/Day:  6.4

Operational: Fall ‘99

Description: EnVessel Pasteurization System that receives dewatered cake from two 2.0 meter Belt Filter Presses. The cake is conveyed by a Serpentix Conveyor to a ThermoBlender. Quicklime and other lime products are blended with the biosolids prior to the Pasteurization Vessel. The Class A-Exceptional Quality product is subsequently conveyed to a storage building.

Engineer: Burgess & Niple, LTD.

Contractor: Mosser Construction

Wet Tons/Day:  20

Cake Solids:  20%

Dry Tons/Day: 0

Operational: Apr-00

Description: System fed by 2 2.0 meter Ashbrook Klampress. Primary and secondary sludge is aerated and then fed to the Belt Filter Press.

Engineer: Robert E. Curry & Associates

Wet Tons/Day:  17

Cake Solids:  18%

Dry Tons/Day:  3

Operational: Fall 2000

Description: West Central Conservancy District - Oxidation Ditch Sludge is dewatered by a 2.0 meter Ashbrook Belt Filter Press. Pasteurization System is a small community system.

Engineer: Triad Associates, Inc.

Contractor: M.K. Betts Engineering & Contracting

Wet Tons/Day:  114

Cake Solids:  201%

Dry Tons/Day:  24

Operational: Summer 2000

Description: Fall Creek Regional Waste District- Primary and secondary sludge dewatered by Ashbrook 2.0 Meter Belt Filter Presses.

Engineer: C.E.T. Engineering Services

Contractor: Howard Robson, Inc.

Wet Tons/Day:  18

Cake Solids:  17%

Dry Tons/Day:  3.0

Operational: Jul-00

Description: Aerobically digested sludge is dewatered in a separate building. System has two feed hoppers with VFD drives. Dewatered cake goes in one feed hopper. The second feed hopper receives tub ground yard waste. Both hoppers feed the ThermoBlender and are then pasteurized.

Engineer: Jeff Schwisow

Contractor: Manukau Waste Water Services

Wet Tons/Day: 0

Cake Solids:  20-28%

Dry Tons/Day:  9

Operational: Spring 2001

Description: 3 Class A Pasteurization Trains and one back up Class B train. Handles centrifuge dewatered, digested primary and secondary solids.

Engineer: Jordan, Jones & Goulding

Contractor: N. B. Kahn Construction Co.

Wet Tons/Day:  80 tons of cake in 8 hours

Cake Solids:  20%

Dry Tons/Day:  16 dry tons in 8 hours

Operational: Spring 2001

Description: Greenwood Metropolitan District- The Greenwood sludge is a combination of primary and secondary. The two sludges are blended and gravity thickened prior to dewatering on 2.0 meter ASH belt filter presses. The system has the capability of using quicklime or other alkaline materials. Additionally, sludge cake is trucked from another plant and fed into the system via a live bottom bin.

Engineer: Haswell Engineering

Contractor: Christiani & Nielsen Limited

Wet Tons/Day:  9.6

Cake Solids:  25

Dry Tons/Day:  2.4

Operational: February, 2001

Description: NOSWA wwtp- SCS System installed on an island off the northern tip of Scotland. Primary solids dewatered with a Rotomat rotating drum.

Engineer: Haswell Engineering

Contractor: Christiani & Nielsen Limited

Wet Tons/Day:  9.6

Cake Solids:  25

Dry Tons/Day:  2.4

Operational: February, 2001

Description: NOSWA WWTW- SCS System installed on an island off the northern tip of Scotland. Primary solids dewatered with a Rotomat rotating drum.

Engineer: Bolton & Menk, Inc.

Contractor: Gridor Construction, Inc.

Wet Tons/Day:  20

Cake Solids:  20%

Dry Tons/Day:  4

Operational: September, 2000

Description: SCS System with Feed and Discharge Conveyors being Serpentix Conveyors. Sludge Cake is from BFP.

Engineer: SBC Consulting Engineers

Contractor: BJP Enterprises, Inc.

Wet Tons/Day:  34

Cake Solids:  18%

Dry Tons/Day:  6

Operational: March, 2001

Description: SCS System Feed with BFP then Sludge Screw Conveyor. Discharge Conveyor is a Serpentix not provided by RDP.

Engineer: PDR Engineers

Contractor: Indiana Construction Corp.

Wet Tons/Day:  190

Cake Solids:  18%

Dry Tons/Day:  34

Operational: Spring, 2001

Description: Primary and Secondary sludge is combined in an aerated holding basin prior to Belt Filter Press dewatering. Two (2) Ashbrook BFP’s dewater the sludge to 18% cake. The final product is sold and marketed by Merrell Brothers.

Engineer: CH2MHill

Contractor: Slayden Construction, Inc.

Wet Tons/Day:  22.5

Cake Solids:  18%

Dry Tons/Day:  4

Operational: October, 2001

Description: SCS System receiving sludge from Centrifuges. Screws and Trough Belt Conveyor feed ThermoBlender. Serpentix and Trough Belt Conveyor receive sludge from Pasteurization Vessel.

Engineer: Black & Veatch

Contractor: Connewago Enterprises, Inc.

Wet Tons/Day:  275

Cake Solids:  22%

Dry Tons/Day:  60

Operational: 2001

Description: 5 dry tons/hour system with one heated Class A train and one standby lime only train. System installed within an existing building

Engineer: Bullen Consultants

Contractor: Dirk European Holdings Ltd.

Wet Tons/Day:  35

Cake Solids:  20%

Dry Tons/Day:  7

Operational: June, 2001

Description: West of Scotland Water Authority (WoSWA) wwtp- EVP System designed to use Rhenipal alkaline additive. System has a larger Pasteurization Vessel to provide 2 hours heat pulse. Centrifuge dewatered sludge.

Engineer: Bolton & Menk, Inc.

Contractor: Robert L. Carr Company

Wet Tons/Day:  96

Cake Solids:  18%

Dry Tons/Day:  17

Operational: December, 2001

Description: Two (2) Ashbrook Belt Filter Presses feed this EnVessel Pasteurization System.

Engineer: RDP Technologies, Inc.

Contractor: Bovis Lend Lease – CH2M Hill(Biosolids Joint Venture)

Wet Tons/Day:  374 – 622

Cake Solids:  23% - 35 %

Dry Tons/Day:  86 – 143

Operational: Fall 2001/Spring 2002

Description: Raw primary or digested sludge, dewatered by (3) existing Centrifuges, series of screws and belts to feed (1) Class A – Train and (1) Class B – Train. Pneumatic Lime System from (4) silos to (2) day tanks. Lime metering and addition screws. Series of discharge belts to biosolids storage building.

Engineer: Jones & Henry Engineers, Ltd.

Contractor: Bosch Mechanical Contractors, Inc.

Wet Tons/Day:  66

Cake Solids:  20%

Dry Tons/Day:  13.4

Operational: Aug-02

Description: Two (2) Train System with a Class A EnVessel Pasteurization System and a Class B System. System includes belt conveyors from four (4) belt presses, to the Class A and Class B Systems and then to discharge storage bunkers.

Engineer: Egis Consulting Australia

Contractor: Walter Construction Group, Ltd.

Wet Tons/Day:  175-350 metric tonne

Cake Solids:  15% - 30%

Dry Tons/Day:  52 metric tonne

Operational: Fall 2002

Description: Aerobic or Anaerobic digestion or waste activated sludge. Sludge is trucked in from several (17) different Sydney Water Plants to be stabilized at St. Mary’s (2) process trains. Raw sludge is delivered by spiral shaftless screws and feed/storage hoppers. Biosolids conveyed to storage building by belts.

Engineer: Egis Consulting Australia

Contractor: Walter Construction Group, Ltd.

Wet Tons/Day:  175-350 metric tonne

Cake Solids:  15% - 30%

Dry Tons/Day:  52 metric tonne

Operational: Fall 2002

Description: One Live Bottom Bin and one Press feeding a Double 20” ThermoBlender and Pasteurization Vessel. Conveyors to ThermoBlender are Screw Conveyors with means to by-pass. Biosolids discharge conveyor is a Serpentix Conveyor. Odor Control hoods and tower are included.

Engineer: Whitman, Requardt and Associates, LLP

Contractor: Bearing Construction

Wet Tons/Day:  15

Cake Solids:  35%

Dry Tons/Day:  5.25

Operational: Fall 2002

Description: Lime Storage Silo 65 tons w/Rotary Airlock and Feeder, 40 HP Blower, (2) Lime Day Tanks 3.2 tons, (2) Lime Feed Screw and Lime Addition Screws, (2) ThermoBlenders SCS, (2) Pasteurization Vessels, (2) Sludge Screws, (2) Sludge Belts, (2) Biosolids Belts, (2) Reversing Belts, (12) Odor Control Hoods.

Engineer: Earth Tech

Contractor: Charwill Construction Co.

Wet Tons/Day:  46

Cake Solids:  26%

Dry Tons/Day:  12

Operational: Sep-02

Description: (2) Belt Presses Feeding a 20” ThermoBlender via Screw Conveyors. Pneumatic System from existing Bulk Lime Silo to a new 8’-0” Day Tank. Bulking Agent System Supplied by others.

Engineer: United Consulting Engineers and Architects

Contractor: Mautz & Oren, Inc.

Wet Tons/Day:  3.3

Cake Solids:  24%

Dry Tons/Day:  0.8

Operational: Winter 2002

Description: Single Belt Press feeding SCS System. Admixture Live Bottom Bin can feed prior to Blender.

Engineer: CH2M Hill

Contractor: Pease & Sons, Inc.

Wet Tons/Day:  3.6

Cake Solids:  12-18%

Dry Tons/Day:  .55

Operational: Nov-03

Description: BFP to Trough Belt the Serpentix to 14” ThermoBlender and Pasteurization Vessel.

Engineer: McCombs Frank Roos Associates, Inc.

Contractor: PKG Contracting

Wet Tons/Day:  21.8

Cake Solids:  18-22%

Dry Tons/Day:  5.6

Operational: May-03

Description: SCS System with Screw Conveyor feed to ThermoBlender and Serpentix Discharge

Engineer: O’Malley Engineers

Contractor: Craig, Sheffield & Austin, Inc.

Wet Tons/Day:  62

Cake Solids:  16%

Dry Tons/Day:  10

Operational: Jun-04

Description: (2) BFP’s feed a 20” ThermoBlender and Pasteurization Vessel. Sludge Feed Conveyor provided by others and Biosolids Discharge Conveyor is the Serpentix type. A By-Pass Screw Conveyor is included.

Engineer: Sieco, Inc. (a division of Strand Associates)

Contractor: City of Seymour, IN

Wet Tons/Day:  65

Cake Solids:  18%

Dry Tons/Day:  12

Operational: Fall 2004

Description: EVP w/(2) Serpentix Conveyors (sludge feed to ThermoBlender and Product Biosolids Discharge to Truck Loading Area). Dewatered sludge from (2) Alpha Laval Centrifuges. Twin 14” Blender w/Access Platforms.

Engineer: Donahue & Associates, Inc.

Contractor: Municipal Builders, Inc. (MBI)

Wet Tons/Day: Lbs./Hour Cake: 3,000 – 3,750

Cake Solids:  16% - 20 %

Dry Tons/Day: Lbs./Hour: 600 Dry

Operational: Spring 2004

Description: SCS Pasteurization System. 8’ diameter skirt supported 30-ton Silo. (2) Serpentix Conveyors: Sludge Feed and Biosolids Discharge. Belt Presses.

Engineer: N/A

Contractor: North Bay Construction Inc.

Wet Tons/Day:  30.4

Cake Solids:  25%

Dry Tons/Day:  7.6

Operational: Jan-04

Description: Belt Presses feed two side wall belts to a 14” ThermoBlender and Pasteurization Vessel. Discharge Conveyor is a Serpentix Conveyor. The Lime Feed System utilizes an existing silo.

Engineer: ConsultingStearns & Wheler, LLC

Contractor: Bearing Construction, Inc.

Wet Tons/Day:  58

Cake Solids:  15-20%

Dry Tons/Day:  8.75 max (2.1 winter avg., 4.9 summer avg.)

Operational: Fall 2004

Description: EVP system, dewatered waste activated sludge from (2) Belt Filter Presses, 2 meter Ashbrook Klampress, (2) Serpentix Conveyors (sludge & biosolids discharge), 12’ storage silo, 55 ton capacity, 1500#/hr lime feed.

Engineer: Owner: Pictou County District Planning Commission

Contractor: CBCL Limited

Wet Tons/Day:  Metric Tonne/HR: 1.83 AVG

Cake Solids:  16.5 - 24% AVG 18%

Dry Tons/Day:  Metric Tonne/HR: 0.33 AVG

Operational: Fall 2004

Description: SCS Carbon steel stabilization system. Fed dewatered sludge from centrifuge, via (2) screw conveyors, with ability to by-pass system. 12’ diameter skirt supported 50 tonne silo with metering screw and additional screw. Serpentix Conveyor biosolids discharge.

Engineer: McGill Associates

Contractor: Laughlin-Sutton Construction

Wet Tons/Day: Wet Tons/Hr: 2.0

Cake Solids:  16%

Dry Tons/Day: Dry #/Hr: 640

Operational: Spring 2004 (Original Project Fall 1996)

Description:  – Upgrade-Adding extended length, short height Pasteurization Vessel to existing twin 9” mixer from original job #95024 system designed at 4,000 #/hr biosolids, at 16% solids includes new Pasteurization Vessel control and heat, 1.2 MGD extended aeration facility, was thickened to 27% and dewatered with 0.8 meter filter press to 16% cake

Engineer: Owner: Grand Strand Sewer and Water Authority

Contractor: Hobbs Upchurch and Associates

Wet Tons/Day: Wet Pounds/Hour: 14,705

Cake Solids:  17%

Dry Tons/Day:  2,500

Operational: Winter 2004-2005

Description:  Grand Strand Sewer and Water Authority- Direct Purchase with Grand Strand Sewer and Water Authority for 10 MGD Upgrade at their JL Schwartz WWTP. EVP Pasteurization System with 20” ThermoBlender, Pasteurization Vessel, 30” sidewall Dewatered Sludge Conveyor, Serpentix Conveyor with (2) helixes for Biosolids Discharge to covered storage/loading area, 12’ diameter, 40 ton column supported Storage Silo, 200-2000 #/hr Lime Feed System complete with Controls with Modicon Quantum PLC. Dewatered sludge fed from (20 belt Filter Presses discharging to Dewatered Sludge Conveyor.

Engineer: Owner: Hominy Creek WWMF Solids Handling Facility Consulting Hazen and Sawyer

Contractor: Crowder Construction

Wet Tons/Day: Wet #/Hour: 15,330 – 18,720

Cake Solids:  18% - 22%

Dry Tons/Day:  2,760 – 4,020

Operational: Fall 2004

Description: Hominy Creek WWMF Solids Handling Facility- Sludge feed from (20 2-meter Belt Filter Presses of anaerobically digested sludge. EVP System with 20” ThermoBlender (stainless steel) and extended length Pasteurization Vessel, (20 Sludge feed belt conveyors and (20 Biosolids discharge conveyors, 66 ton column supported silo with lime feed screws for 2,500 #/hr capacity, Odor Scrubber system with hood

Engineer: Owner: TRA Central Expansion CH2M Hill – Dallas

Contractor: Archer Western Construction

Wet Tons/Day:  470

Cake Solids:  23% - 30%

Dry Tons/Day:  108, 12 hour operation

Operational: Fall 2005

Description: Expansion- (2) EnVessel Pasteurization System Trains of equipment consisting of: 12” diameter, 80 ton storage Silos, 450-3600 #/hr Lime Feed Screws, (2) Dewatered Sludge Belt Conveyors, twin auger transfer Screw, 20” ThermoFeeders and ThermoBlenders, extended length Pasteurization Vessels, Biosolids Discharge Conveyor, dust suppression system with hoods over the Vessel Discharge and a Radial Stacking Conveyor (by Custom Conveyor). Includes upgrading existing mixer to a ThermoFeeder and upgrading existing Stacking Conveyor. Anticipated future expansion with an additional (2) trains of equipment. Sludge dewatered by (4) Belt Filter Presses with future expansion to 10 presses.

Engineer: Owner: City of Naples, FL

Contractor: RDP Technologies, Inc.

Wet Tons/Day: Wet Pounds/Hour: 11,000 – 15,000 #/hr

Cake Solids:  14 – 18% Dewatered Cake

Dry Tons/Day:  2,000 #/hr

Operational: Fall, 2006

Description: Upgrade- Upgrade to the existing E V P system provided under original RDP Project # 94038 placed into service Fall of 1997. The upgrade is a direct purchase contract with the City of Naples including demolition of existing equipment and installation by RDP. The Upgrade will be completed in (2) phases with Phase I consisting of: (1) Removing existing ThermoBlender and replacing it with a new stainless steel twin 20” Blender built by MSC in New Zealand, (2) The existing ThermoFeeder will be left in place and used as a conveyor without heat, (3) Upgrade existing Heat System Power Panel for the new ThermoBlender, (4) Modify existing System Control Panel for new equipment and heat zone control, (5) Includes a 10 year maintenance agreement for the Heat System. Phase II will be completed at a later date. Phase II consists of upgrading Lime Feed, New Pasteurization Vessel, New Odor Control Hoods and Scrubber, maintenance platform, and upgraded controls.

Engineer: Brown and Caldwell

Contractor: Stellar J Corporation

Wet Tons/Day: Wet Pounds/Hour: 6,783#/Hr. Dewatered Cake per Train

Cake Solids:  Minimum 23%, Dewatered by Alpha-Laval Centrifuges

Dry Tons/Day:  1,560#/Hr Dry Solids per Train

Operational: Summer 2007

Description: Two (2) complete EVP Pasteurization System Trains; each consisting of 12’ diameter, skirt supported, 45 ton Lime Storage Silo, 9” diameter Lime Feed Screws (2 on one Train, 1 on the other), 9” diameter Lime Addition Screw, EVP 14” ThermoBlender, EVP Pasteurization Vessel, 16” diameter, Centrifuge Cake Screw Conveyor (with centrate flush system) and motorized gate for train crossover, 30” wide, 20 degree Trough Cake Belt Conveyor with by-pass plow, 16” diameter By-Pass Screw Conveyor, 30” wide, 20 degree Trough Biosolids Belt Conveyor, 30” wide, 20 degree Trough Biosolids Reversing Belt Conveyor, 30” wide, 20 degree Trough Biosolids Reversing Conveyor and a US Filter/RF Environmental particulate and odor scrubbing system complete with controls. System Controls consist of a Cake Conveying Control Panel for Sludge Conveyors (or By-Pass) to the process Trains, Lime Truck Unloading Panels for the Silos, Pasteurization System Control Consoles, Heat System Power Control Centers, Truck Loading Control Panel for the Biosolids Truck Loading operations. DeviceNet control of motor starters and VFD’s in MCC by others.

Engineer: RDP Technologies, Inc.

Contractor: City of Naples

Wet Tons/Day:  Wet Pounds/Hour: 11,000 – 15,000 #/Hr

Cake Solids:  14-18% Dewatered Cake

Dry Tons/Day:  2,000 #/Hr

Operational: Fall 2007

Description:  Upgrade Phase II- Phase II of an upgrade to the existing EVP system provided under original RDP project #94038 placed into service Fall of 1997. Phase I ThermoBlender Upgrade, project #25014 placed into service summer 2006. The upgrade is a direct purchase contract with the City of Naples including demolition of existing equipment and installation by RDP. Phase II of the upgrade consists of: 1) Removing existing ThermoFeeder and replacing it with a new stainless steel Transfer Screw Conveyor, 2) Removal and replacement of the Pasteurization Vessel with a unit construction of SST, 3) New maintenance platform at the tail end of the new ThermoBlender provided on Phase I, 4) Removal and replacement of the Volumetric Lime Feeder, 5) Upgrade and modify System Control Panels as required for above equipment.

Engineer: O’Brien & Gere Engineers, Inc

Contractor: Lantz Construction Company

Wet Tons/Day: Wet Pounds/Hour: 2.0 MGD Expansion, 4,000 #/hr Cake

Cake Solids:  Average 25%

Dry Tons/Day:  1,030 #/hr Dry Solids

Operational: Summer/Fall 2009

Description: SCS Pasteurization System consisting of 8’ diameter, 30 ton, skirt supported Lime Silo, 9” Lime Feed and Addition Screws, twin 12” SCS ThermoBlender, SCS Pasteurization Vessel, and (3) Sludge Feed Screws with a maintenance platform to convey dewatered sludge from the Centrifuge to the ThermoBlender. Centrifuge Screw incorporates the centrate flushing system at the inlet end. The System is provided with Lime Truck Unloading Panel (NEMA 4X), System Control Panel (NEMA 12), Heat System Power Panel (NEMA 4X) and separate VFD enclosures for the Blender and Lime Feeder NEMA 4X). Lime System designed to delivery up to 600 #/hr quicklime. System designed to process dewatered, waste activated sludge including biological nutrient removal with precipitated chemical solids, scum and foam. Polymers are used in the dewatering process.

Engineer: Alvin Fairburn & Associates, LLC

Contractor: Max Foote Construction Co., Inc

Wet Tons/Day: Wet Pounds/Hour: 5208

Cake Solids:  16%

Dry Tons/Day:  833

Operational: Spring/Summer 2009

Description: EnVessel Pasteurization System consisting of 18” Dewatered Sludge Screw Conveyor, Twin 14” ThermoBlender, SCS Pasteurization Vessel, Serpentix Biosolids Discharge Conveyor, Dust/Odor Control Scrubber Tower, and controls consisting of Lime Truck Unloading Panel, Pasteurization System Panel, Heat System Power Panel and Dust Removal System Panel. The Lime System designed to deliver up to 700 #/hr quicklime and consists of a 12’ diameter, column supported Silo, 9” Lime Feeder Screw and 9” diameter Addition Screw. Approx. 2MGD wastewater plant, WAS and primary sludge dewatered by a Phoenix Belt Filter Press.

Engineer: Wendel

Contractor: English Construction

Wet Tons/Day: Wet Pounds/Hour: 8,900

Cake Solids: 18%

Dry Tons/Day: 0

Operational: Spring/Summer 2016

Description: EnVessel Pasteurization System consisting of 12” & 14” Dewatered Sludge Screw Conveyors, Twin 14” 304 SST ThermoBlender, SCS Pasteurization Vessel, Troughed Type Discharge Conveyor, Odor Control Scrubber Tower with Acid Wash, and controls consisting of Lime Truck Unloading Panel, Pasteurization System Panel, Heat System Power Panel and Odor Control System Panel. The Lime System designed to deliver up to 1,200 #/hr. quicklime and consists of a 12’ diameter, column supported Silo, 9” Lime Feeder Screw and 9” diameter 304 SST Addition Screw.

Engineer: Brown and Caldwell

Contractor: Ulliman Schutte Construction LLC

Wet Tons/Day: Wet Pounds/Hour: 14,360

Cake Solids:  25%

Operational: Spring/Summer 2017

Description: EnVessel Pasteurization System consisting of Dewatered Sludge Screw Conveyors, Twin 20” 304 SST ThermoBlender, Pasteurization Vessel, Biosolids Discharge Belt Conveyor, Odor Control Scrubber Tower with Acid Wash, and controls consisting of Lime Truck Unloading Panel, Pasteurization System Panel, Heat System Power Panel and Odor Control System Panel. The Lime System designed to deliver up to 3,000 #/hr quicklime and consists of a 12’ diameter, skirt supported Silo, 9” Lime Feeder Screw and 9” diameter 304 SST Addition Screw.

Engineer: Wright Peirce

Contractor:  Penta Corporation

Wet Tons/Day: 80

Cake Solids: 20%

Dry Tons/Day: Dry Tons/Day16

Operational: Mar-17

Description:  Replacement TB- Replacement of the existing ThermoBlender supplied in 2004.

Wet Tons/Day:  96

Cake Solids:  20%

Dry Tons/Day: 19.2

Operational:  Summer 2017

Description: Upgrade- Replacement of existing ThermoFeeder and ThermoBlender originally installed in 1999.

Engineer:  CTI Engineers

Contractor:  W&O Construction

Wet Tons/Day: Wet Pounds/Hour: 17,000

Cake Solids:  23%

Dry Tons/Day: 0

Operational: Spring/Summer 2021

Description: Upgrade- EnVessel Pasteurization System consisting of Twin 20” 304 SST ThermoBlender, Pasteurization Vessel, Biosolids Discharge Belt Conveyors, Pasteurization System Panel and Heat System Power Panel. The Lime System designed to deliver up to 3,000 #/hr.

Contractor: Bearing Construction, Inc.

Wet Tons/Day:  15

Cake Solids:  20%

Dry Tons/Day:  5.5

Operational: Summer 2021

Description:  Upgrade- Replacement of existing ThermoFeeder and Pasteurization originally installed in 2002.

Wet Tons/Day: 0

Cake Solids: 0

Dry Tons/Day: 0

Operational: Summer 2022

Description: New dual Stabilization system with automatic truck loading

Engineer: RDP Technologies, Inc. - 960 Brook Rd Building 8, Conshohocken, PA 19428 - Phone 610-650-9900, www.rdptech.com

Description: RDP Technologies Main Office