Specifications_-_Final_updated_7_2_2025_2.docx

Specifications Additive Manufacturing Plastic Pellet Extrusion

1. Introduction – The Hydraulics Laboratory in the Bureau of Reclamation’s Technical Service Center in Denver, Colorado constructs scaled hydraulic models built to fine tolerances. The purpose of this procurement is to purchase a large format 3D printer with integrated machining capabilities and associated accessories. The project involves procuring and delivering a 3D printer with integrated spindle and pellet dryer along with on-site calibration and training.

2. Technical Specifications – The new equipment must have the following characteristics:

CLIN 00010: Brand Name or Equal - 3D Systems model EXT 1070 Titan Pellet 3D Printer Technical Requirements Salient characteristics:

1. Equipped with two toolheads as built-in capability: first toolhead must utilize pellet extrusion (not filament), second toolhead must be a CNC spindle

2. Ability to do post and in-situ machining with integrated Spindle Module

3. Minimum Spindle cut volume shall be a minimum of 90% of the build volume

4. Fully enclosed with a minimum build volume: 40” x 40” x 40”

5. Maximum allowable floor footprint of 18’ x 18’

6. Heated Print Bed: up to 120C

7. Heated Chamber: up to 80 degrees C

8. Heated Extruders: up to 400 degrees C

9. Pellet Extruder Deposition Rate: up to 30lb per hour

10. Utilizes non-propriety materials (pellets)

11. Includes integrated pellet dryer 3D Printer Accessories / Material Requirements:

CLIN 00020: Includes hardened steel nozzle kit with 6 sizes from (0.6mm, 1.0mm, 1.2mm, 2.0mm, 3.0mm, 6.0mm)

CLIN 00030: Includes minimum of 250kg of CF-ABS Plastic Pellets Installation, Training, and Maintenance Services:

CLIN 00040: Provide Installation and Calibration on site (2-5 days)

CLIN 00050: Provide On-Site User training (3-5 days) for 5 students covering machine preparation, preparing print file (slicing geometry), and machine operation. Training will include hands on demonstrations and test prints.

CLIN 00060: Provide 1 year manufacturer provided preventative maintenance including: cleaning, software updates, and general upkeep every 6 months.

Note: Government will provide adequate electrical service and air supply

3. Place of Performance –

Bureau of Reclamation Denver Federal Center (6th Avenue and Kipling Street) Building 56 – Hydraulics Laboratory Denver, CO 80225

4. Period of Performance – Anticipated period of performance is 1-year from date of award. Exact period of performance dates will be provided at time of award to the awardee.

5. Work Hours - On-site testing, calibration, training, and preventative maintenance must occur during the agency’s standard operating hours: Monday through Friday, 7:30 a.m. to 4:00 p.m., excluding federal holidays.

6. Security - The on-site service location under this contract is within a secured area. The Contracting Officers Representative (COR) shall arrange for Contractor’s entry into such areas and inform Contractor of security procedures. Contractor shall comply with all security procedures. If, in the judgment of Reclamation, any employee fails to meet minimum security requirements or proves to be detrimental to the security of Reclamation’s facilities, the Contractor, upon request, shall remove such employee from any work under this contract.