Attachment 0001 - Statement of Work.pdf

Milling Machine Procurement for Mat Sinking Unit

Scope of Work The Mat Sinking Unit requires the supply & delivery of a new milling machine for use on Mooring Barge 7403. The machine with accessories shall meet all requirements as listed below.

Requirements

• Bridgeport Series 1 Milling Machine, R8, or equivalent

• Minimum 12” wide x 49” long table

• Special Accessories

• Acu-Rite new 203 Series or equivalent 2 axis digital readout

• Kurt DX6 6” or equivalent

• Kurt DX6 Anglock Machine Vise or equivalent with minimum 6” x 9” opening

• 11 Piece R8 collet set with holder

• Power Table Feed X Axis

• Chrome dovetailways and gibbs

• Way Cover

• Tooltray

• Halogen Lamp

• Table Travel for X-Axis – minimum of 36 in

• Saddle Travel for Y-Axis – minimum of 12 in

• Quill Travel – minimum of 5 inches

• Knee Travel for Z-Axis – minimum of 15 in

• Ram Travel Minimum of 12 in

• Minimum Throat Distance – 6.75 in

• Maximum Throat Distance – 18.75 in

• Table Overall Size & Working Surface – minimum 49” x 9”

• T-slots Centers – 3 @ 2.5 in

• T-slot Size 0.625 in

• Maximum height above Floor – 47.25 in

• Spindle AC Power Rating

• 30 min duty cycle – 3 hp (2.2 kW)

• Continuous usage – 2 hp (1.5kW)

• Spindle Taper R-8

• Tooling R-8 Collets

• Optional Spindle Taper Included – Spindle Taper #30 ISO

• Tool Holder Erickson Quick-Change #30 ISO

• Speed Ranges

• High (infinitely variable) – 500 rpm (max of low range) – 4200 rpm (min of high range)

• Milling Capacity for mild steel – ¾”

• Boring Range for Mild Steel – 6” diameter

• Spindle Diameter – 1.875”

• Quill Diameter – 3.375”

• Positioning

• Auto (X,Y) – 100 ipm

• Manual (X,Y) – 100 ipm

• Feedrate Range (X,Y) 0.1 – 35 ipm

• Minimum increment 0.0001 in

• Size Requirements

• No more than 8.5’ x 5.5’ with power case door closed

• Height – No more than 7.5’

• Power

• 208/230/460 Volts

• 3 phase, 50/60 cycle

• Power Capacity – 4kVA

Delivery The milling machine shall be delivered in accordance with the above requirement and with all required accessories to the Mat Sinking Unit no later than May 27, 2022, at the following address:

Attn: Nathan Jabour 2577 Haining Road Vicksburg, MS, 39183