Specifications_Rotary_Screw-Type_Stump_Grinder.pdf

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Attached to
FWS MN VLY NWR STUMP GRINDER Federal contract opportunity
Solicitation number
140FS225Q0187
Issued by
Department of the Interior Fish and Wildlife Service

About this file

This document is a Request for Proposal (RFP) from Minnesota Valley National Wildlife Refuge for a rotary style stump grinder. The agency requires a specialized equipment attachment for a Bobcat E55 with specific technical specifications, including a 20" cutting diameter, 27" drilling depth, 2175 PSI working pressure, and a weight range of 600-650 lbs. The stump grinder must be fully operational from the operator's compartment and include features such as replaceable bolt-on reversible blades, a replaceable center screw, and a 2-speed gearbox.

The solicitation will be awarded on a best-value trade-off basis, with technical specifications and past performance weighted more heavily than price. Delivery is FOB Destination, and the evaluation will consider technical specifications, past performance, and pricing in that order of importance. The required stump grinder must have specific hydraulic connections, quick attach capabilities for the EC55, and meet precise performance parameters including a minimum torque of 12250 Ft LBF and a minimum speed of 55 RPM.

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Sol_140FS225Q0187.pdf PDF

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Text version

Minnesota Valley National Wildlife Refuge has a requirement for a rotary style stump grinder. The unit must be capable of attaching and operating on a Bobcat E55 with quick attach without additional modifications to the host machine.

Unit must be fully operational from within the operator’s compartment.

Rotary Screw type stump grinder requirements (minimum):

Cutting Diameter 20" Minimum

Drilling depth (from the ground) 27" Minimum

Working pressure

2175 PSI

Minimum

Flow 39 gpm Maximum

Weight 600-650 lbs. Range

Torque 12250 Ft LBF Minimum

Speed 55 RPM Minimum

Chip Size .2-.59" Range

Replaceable bolt on reversable blades

Required

Replaceable center screw

Control Connections 3/4" Required

Case Drain 1/2" Required

2 speed gearbox

All required hydraulic connections

Quick attach with all required pins for EC55

Delivery is FOB Destination. Award will be trade-off best value. Evaluation criteria: technical specifications, past performance, and price. When combined technical specifications and past performance are more important than price.

File details come from the government source that posted it. Updated .