A02.12 DOR_Ring_Shear_Device_1.pdf
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- Attached to
- Torsional Ring Shear Device
- Solicitation number
- W912HZ24Q8497
About this file
This document is a Description of Requirement (DOR) for a federal contract opportunity to acquire separate torsional ring shear devices with accessories. The U.S. Army Engineer Research and Development Center (ERDC) Geotechnical and Structures Laboratory requires two torsional ring shear devices, with specifications including servo-actuation, 6-inch touch screen display, and displacement/load cell monitoring capabilities, along with required software and testing accessories. The contract also includes one Bishop ring shear testing apparatus with specified capabilities. The solicitation is being issued as a Request for Quote (RFQ) with the intent to award as a simplified acquisition, with a 100% small business set-aside under NAICS code 334290. Offers are due by August 8, 2024 and will be evaluated on lowest price and technical capability, with the Government reserving the right to award without discussions. The required delivery is within 38 weeks of award to the ERDC Geotechnical and Structures Laboratory in Vicksburg, Mississippi.
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Description of Requirement
Torsional Ring Shear Device
The Geotechnical and Structures Laboratory (GSL) of the U.S. Army Engineer Research and Development Center (ERDC) requires separate torsional ring shear devices with the necessary accessories. The following list provides the required device, accessories, and any other component required to complete this testing.
Items to be added to each piece of equipment is as follows:
Torsional Ring Shear Device – units with the following (Qty 2):
Must be servoactuation, HMI 6” touch screen display Specimen dimensions of 70 mm internal diameter Specimen thickness of 5mm Displacement transducer for vertical displacement Multiple Load Cells for measuring torsional force Infinitely variable speed ranging from 0.00001 to 1000 revolutions per minute Specific and Independent data recording capability for consolidation and shear stages
SOILMASTER T&A, Testing and Acquisition Software with the following (Qty 2):
SHEARMATIC, AUTOSHEAR, and TORSHEAR capability
Sintered porous stone for testing (Qty 2)
Ring Shear Geo-Analysis Microsoft Excel Template (Qty 2)
US plug 5A250V (suitable for single-phase machines) (Qty 2)
Must be able to test in accordance with ASTM D6467
Bishop Ring Shear Testing Apparatus with the following (Qty 1):
Sample diameter of 150 mm outer diameter, 100 mm inner diameter Sample height of 20 mm.
Must be capable of testing soil steel interface Motor actuation for vertical loadings Max Vertical load of 20 Kn, Max Shear load of 10 Kn.
Variable speed range of 0.0001 to 600 degrees per minute 8 channel data logger Touch Screen graphical display Single phase, 220-240V power requirement
Clisp Studio Ring Shear software (Qty 1)
Bishop Ring Shear Sample Preparation Kit (Qty 1)
S-Beam Load Cell, 5kN with 2 meter cable and DIN plug (Qty 1)
5kN Compact Load Cell fit to Bishop Ring Shear System (Qty 2)
10kN Compact Load Cell fit to Bishop Ring Shear System (Qty 1)
Displacement transducer to 10 mm with cable and 5-pin DIN plug (Qty 2)
Displacement transducer to 50 mm with cable and 5-pin DIN plug (Qty 1)
On-Site installation and training (2 days)
Transport and delivery of all equipment
Delivery Date: Must be delivered within 38 weeks of award
Delivery Location: Engineer Research and Development Center Geotechnical and Structures Laboratory Attn: Ethan Vroman 3909 Halls Ferry Rd Vicksburg, MS 39180
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