Attachment A techinical requirements hydraulic.pdf

EXHIBIT A:

TECHNICAL REQUIREMENTS FOR

SMALL FRAMED FIREARMS SHREDDER

Shredder: Low speed, high torque, hydraulic drive rotary shear shredder equipped with infeed and discharge conveyor belts.

Shredder features:

1. Shock protection torque clutch

2. Cutters designed for the application of firearms shredding

3. Shredder shafts with independent variable speed control

4. Reduced voltage starting

5. Individually removable cleaning fingers or equivalent

6. Bearing & seal arrangements at shredder gearbox and endplate or equivalent

7. CNC machined shredder frame – torsion box design, modular construction or equivalent

8. Heavy‐duty gear reducers or equivalent

9. Ability to shred 24” long 1.25” thick barrel bar stock of 4150 chrome moly steel in continuous feed of no less than 250 units

10. Ability to shred 24” long 1.25” thick barrel bar stock of 416R stainless steel in continuous feed of no less than 250 units

11. Ability to shred hardened rifle bolts approximately 8” in length .75” diameter with Rockwell hardness of approximately 42 in continuous feed of no less than 250 units per session.

12. Plexiglass viewing window on top of shredder hopper suitable for camera installation to observe shredding operation.

Shredder hardware:

1. Minimum 35" (890mm) wide x minimum 52" (1315mm) long cutting chamber

2. Hydraulic torque equal to or greater than an 150HP (112 kW) electric motor.

3. Approximately 18.1” (460 mm) diameter cutters maximum 1 1/2” thick designed for this application

4. Funnel‐style feed hopper or equivalent

5. Shredder support stand: height not to exceed 60” (1.5m) tall

Shredder and Feed Ramp Size:

1. Length to not exceed 17ft (204 inches)

2. Width to not exceed 9ft (108 inches)

3. Height approximately 8ft tall (96 inches)

Conveyor:

1. Infeed Conveyor (Approximately 48”)

2. Discharge Conveyor (Approximately 48”)

3. Integrated Conveyor controls for infeed and discharge conveyor.

4. Remote Start/Stop station at infeed conveyor.

Note – equipment size such as the conveyor belt is subject to facility space and may be subject to a change if required.

Hydraulic Power Unit:

1. Will be located outside the building in an area 13’ by approximately 10’

Controls:

1. Full electrical controls at 460V, 575V/60Hz or 415V,380V/50Hz included

Control features:

1. Variable speed drive system

2. Reduced voltage starting

3. Overload avoidance program and i/o to connect shredder feed conveyor

4. Amperage overload & torque coupling slippage reversing on shredder

5. System “fault codes” displayed on touch screen to simplify diagnostics and troubleshooting

6. E‐stop circuit allows for expansion

Panel design standards:

1. Programmable controller

2. UL‐508 / CUL approved

3. Touch screen operator interface

4. Control panels or equivalent have NEMA 12 (IP55) rated enclosure(s)

5. 24VDC control voltage

6. Minimum SCCR standard of 35kA (higher ratings available)

Seller must also provide:

1. On‐site technical support for start‐up and O&M training (1‐2 Days)

2. Specialized toolkit if applicable

3. Hood for hopper to minimize material flyback & fugitive dust

4. Hinged hopper access door for inspection (includes magnetic safety switch to disable shredder when open)

5. Installation (Electrical service and disconnect to be within 10 feet of shredder)

6. Available technical support

7. One‐year warranty

8. User and maintenance manual

9. List of authorized service representatives within 50 miles of buyer’s location (or closest authorized service representative)

Additional Requirements:

1. Must be TAA compliant.