MK-Ferguson/WSSRAP, 7295 Highway 94 South, St. Charles, Missouri 63304

39 -- PURCHASE MATERIAL HANDLING EQUIPMENT TO INCLUDE MECHANICAL THICKENERS WITH 50' DIAMETER TANK, MIXERS, BLENDERS, AGITATORS, BELT AND SCREW CONVEYORS SOL Work Package No. SOL-RFP-3589-POS-CSS. Contact Brian Claytor, Purchasing Agent, (314) 441-8086, extension 3703 or Tim Gelnett, Subcontract Administrator, (314) 441-8086, extension 3705. Qualified Sources Sought, SOL RFP 3589-POS-CSS. MK Ferguson Company (MK-F), is currently performing work under a Department of Energy Prime Contract at the Weldon Spring Site Remedial Action Project (WSSRAP) located in St. Charles, Missouri. Qualified sources are being sought for the supply of serveral types of process equipment to be used in the construction of a Chemical Stabilization/Solidification Plant (CSS). Interested qualified parties should have the ability to construct equipment in accordance with hard specifications and stringent quality control procedures. Following is a brief description of the general types of equipment anticipated to be required under these procurement actions: (1) THICKENERS: One mechanical continuous thickener with feed launder, central feed well, rake mechanism, and tank with internal overflow launder and central collection cone. Materials of construction to be carbon steel. Feed launder and rake mechanism to be supplied with drive mechanism, torque measuring device, and automatic rake lift system. Diameter of tank approx. 50 feet. Mechanism to dewater a dilute thixotropic sludge. Slurry fed rate is 380 gallons per minute. Estimated value is over $200K. One inclinded plate type thickener with feed well, plate section, overflow launder, and mechanical screw collection system. Unit to dewater 200 gpm of slurry at 20 percent solids. Solids to be 100 percent minus 100 mesh. Materials of construction to be carbon steel. Estimated value is over $75K (SIC 3531). (2) HORIZONTAL MIXERS/BLENDERS: One dry horizontal blender for blending cement and fly ash. Feed rate to be 38 tons per hour of fly ash and 25 tons per hour of cement. Unit to be equipped with dust enclosure to prevent fugitive dust emissions when connected to feed and discharge systems. Materials of construction to be carbon steel. Estimated value is over $60K. Two horizontal twin shaft blenders to mix a sludge slurry with dry binder component. Units to be capable of receiving feed and discharging product on a continuous basis. Shaft assemblies to be equipped with plow type mixing blades. Units to be vapor tight when coupled to feed and discharge systems. Materials of construction to be carbon steel. Feed rates are 120 gpm sludge, 5 cubic feet per minute dry binder. Estimated value is over $100K (SIC 3531). (3) HIGH SHEAR MIXERS: Require two blenders which impart high shear in the mixing zone to mix a slurry feed with dry binder component. Units to be capable of receiving feed and discharging product on a continuous basis. Units to be vapor tight when coupled to feed and discharge systems. Materials of construction to be carbon steel. Feed rates are; 120 gallons per minute sludge, 5 cubic feet per minute dry binder. Estimated value is over $140K (SIC 3531). (4) AGITATORS: Require two vertical mount agitators to supply off bottom suspension of slurry consisting of 15 percent solids in water. Specific gravity of solids approximately 3. Largest particle size to be one-quarter inch. Agitator to be mounted on 40 foot diameter by 40 foot tall, flat bottom tanks. Horse power estimated to be 200-300 Hp. Units are to be supplied with drive mechanism, motor, shaft, shaft to tank vapor seal, and impeller. Materials of construction of wetted components to be carbon steel with elastomer coating where appropriate. Estimated value is over $500K (SIC 3531). (8) CONVEYORS SYSTEMS (BELT): Require multiple (6-10) belt conveyors to collect and transport wet earth internal to a screening plant. Belts will be of various lengths and widths. Widths will vary from 12 to 24 inches. Belts to be supplied with drives, tension systems, covers, emergency stop cords, and access for maintenance. Estimated value is over $115K. Require 5 weigh belt feeders. Units to feed cement and fly ash from storage silos. Feed rates are; 250 pound per minute maximum fly ash, and 190 pounds per minute maximum cement. Units to be dust right when installed into system with allowances made for ease of access for maintenance. Estimated value is over $110K (SIC 3535). (9) CONVEYORS (SCREW): Require multiple (6-10) screw conveyors for transport of dry cement and fly ash. Length of conveyed distance will vary for each unit. Materials to be conveyed are cement, fly ash, and a mixture of both. Volumetrics for materials are; 2.0 cubic feet per minute cement, 3.5 cubic feet per minute fly ash, and 5.5 cubic feet per minute of the mixture. Estimated value is over $70K (SIC 3535). (17) CRUSHERS: Multiple crushers will be required. Anticipated needs are a jaw, cone, and rolls, but size and type may vary. Service will be for installation in a sample tower to prepare a representative sample from 6 inch oversize material from a screening plant. Estimated value is over $155K (SIC 3532). (18) SCREENING EQUIPMENT: Require one trommel screen. Unit to be 6 feet diameter and 30 feet long. Feed will consist of minus 6 inch material and produce and undersize product of minus one and one-half inch. Unit to be skid mounted and come complete with trommel screen, drive mechanism, and an internal spray bar for wet screening. Estimated value is over $60K. Require one double deck, vibrating screen. Unit to be furnished complete with screen cloth for both decks, frame assembly, and drive mechanism complete with motor. Estimated value is over $30K (SIC 3531). (19) DEWATERING SCREENS: Require one dewatering screen capable of separating plus 100 mesh material from a slurry stream. Unit may be a fixed bar type or vibrating type. Feed flow rate to be 200 gpm. Estimated value is over $15K (3531). It is anticipated that the proposal packages for the above noted equipment will be issued for bid between May 1995 and January 1996. Only full proposals for each entire equipment package noted above will be solicited under this procurement. Abbreviated pre-proposals will not be accepted. It is anticipated that the type of award will be firm fixed price for each numbered package. Suppliers interested in any or all of the above noted equipment packages shall submit a letter of request indicating the item number and package description for each bid package requested. Since this is a set-aside for small business, letters of request shall also include a statement verifying that the organization is a small business concern. All letters of request shall be submitted prior to MAY 30, 1995 to: MK-Ferguson Company, 7295 Highway 94 South, St. Charles, Missouri 63304, ATTN: Brian L. Claytor or Tim Gelnett. (116)

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