Attachment 0001 - Description for Pruchase.docx

Description For Purchase (DFP) CNC Fiber Laser May 8, 2023

1. GENERAL SYSTEM DESCRIPTION

The DFP represents CNC Fiber Laser Cutters. The CNC Fiber Laser cutters will be utilized to cut precise, clean cuts of infinite number of geometries. The contractor shall provide and install the CNC Fiber Laser Cutters described in this document as a “Turnkey” system. The contractor shall be responsible for all actions regarding the provision and installation of this equipment, unless specified otherwise within this DFP.

The contractor will be responsible for providing a safe, fully functional system. The laser cutting system shall be a multi axis computer numerically controlled (CNC) laser machine with flying optics/ fixed table design capable of cutting precise, clean cuts of an infinite number of geometries, on a plane or three-dimensional contour (profile), in a range of materials during continuous operation. It shall require only simple positioning/work holding devices, maximize material usage and not impede any secondary operations.

2. STANDARDS AND PUBLICATIONS

2.1 Clarification

Any ambiguities, questions, requests for clarification or discrepancies between sections of this DFP, drawings, national or industry standards discovered by the contractor in reviewing this DFP shall be reported by the bidder in writing to the contracting officer. In accordance with the solicitation. Therefore, later claims for labor, material, or equipment required, or for difficulties encountered, which could have been foreseen had such reasonable examination been made, may be denied.

2.2 National Standards and Specifications

The following specifications in effect on the Date of Invitation for Bid/Request for Proposal form a part of this DFP. In the case of conflicting requirements, the more stringent shall apply.

2.2.11.1 NFPA-70 National Electrical Code.

2.2.11.2 NFPA-79 Electrical Standard for Industrial Machinery.

2.2.12 International Standards Organization (ISO).

3. DESIGN

3.1 Ownership

3.1.1 This equipment is a standard product of the manufacturer and shall require either no change or minor design changes to meet requirements of these specifications. Therefore, ownership of the design will remain with the manufacturer.

3.2 General Design Standards

3.2.1 DEVIATION FROM PRODUCT: Modifications to the manufacturer’s standard design to achieve requirements as specified in this document are only permissible as dictated by good design practice. For example, mounting a 20-hp motor in a power train designed and normally using a 10-hp motor would not be acceptable.

3.2.2 UNITS OF MEASURE: Dimensions and capacities in this DFP are given in the English-US (in-lb.) system. All dials, gauges, and drawings shall be in the English-US system or both the English-US and the metric systems, unless otherwise specified in this document.

3.2.3 IN DATA PLATE: The equipment shall include a main data plate which will include the following data as a minimum requirement (additional information is acceptable): Manufacturer Name, Manufacturer’s Dun & Bradstreet Number, Manufacturer’s Model Number, Manufacturer’s Serial Number, Year of Manufacture, Contract Number, and Machine Weight. This information is necessary for compliance with the governments Unique Identification Program (UID).

3.2.4 DATA PLATES: All instruction, data, and identification plates and labels attached to this equipment and its controls shall be manufactured of corrosion and oil resistant metal or plastic material. All wording shall be in the English language using plain, bold face lettering. Lettering shall be permanent and have a contrasting background.

3.2.5 ITEM UNIQUE IDENTIFICATION (IUID) REGISTRATION: The contractor shall register the equipment in the IUID Registry (as one single system). IUID registration requires the contractor to input Cage Code, Model Number, and Serial Number into a Government Database to allow for asset and inventory tracking. IUID Registry of the equipment shall be performed at http://dodprocurementtoolbox.com/site/uidregistry/. Training for IUID is available in https://wawftraining.eb.mil. IUID registration of this equipment is required prior to final payment in the Wide Area Work Flow (WAWF). The contractor shall also affix a machine readable 2-dimensional (2-D) matrix representing the IUID registry to the machine. The IUID 2-D matrix may be included on the ID Data Plate outlined in paragraph 3.2.4.

3.2.6 UTILITY CONNECTION: Equipment supplied to the Crane Army Ammunition Activity (CAAA) will have single point shut-off for each utility supplied to a system. This means that equipment constituting a single system shall be wired to a single main electrical disconnect point, plumbed to a single pneumatic shut-off valve, etc. This will be referred to as the “point of first connection”. Each type of power source may have only one point of first connection. E.g. (1) pneumatic shut-off valve, (1) water supply shut-off valve, (1) electrical disconnect, etc. Each point of first connection shall be clearly labeled on the system and shown in the safety lockout portion of the documentation package. These points must be located on a stationary component and positioned such that they will not create a hazard to personnel during normal operation of the system. The first connection points shall be accessible from the shop floor without the use of ladders, steps, or stools. Access cannot be hampered by operation of the system.

3.2.7 UTILITY CONNECTION LABOR: CAAA shall provide only such labor and materials as will be needed to connect facility utilities to each point of first connection of the system. The supplier will be responsible for all connections beyond the point of first connection for each utility.

3.2.8 UTILITIES AVAILABLE: CAAA shall be responsible for providing the following:

3.2.8.1 Connection of 460-V, 60-Hz, 3-Ph AC electrical power to the fused or breaker type disconnect switch required in the ELECTRICAL DISCONNECT paragraph of this DFP. Connection does not include filters, surge protection, or any peripheral equipment necessary to make the equipment functional.

3.2.8.2 Connection of approximately 80-psi compressed air to a single point for each system, if needed. Connection does not include filters, dryers, or any peripheral equipment necessary to make the equipment functional.

3.2.8.3 Connection of approximately 65-psi water to a single point for each system, if needed. Connection does not include filters or any peripheral equipment necessary to make the equipment functional. If water is required, the contractor shall be responsible for installing a backflow limiting device sufficient to prevent possible contamination of the water system. This is necessary to maintain IEPA compliance.

3.2.9 ELECTRICAL DISCONNECT: The equipment shall be equipped with a manual, fused or breaker type disconnect switch, readily accessible to the operator, which will deactivate the entire equipment. It shall be located no more than 6-ft 7-in from the floor to the highest point the control device. It shall be capable of being locked in the de-energized state (OFF) only.

3.2.10 CONDUIT: Flexible conduit is not permitted in exposed areas. All wires, cables, and hoses will be enclosed by rigid, oil-proof protection, except where flexibility is necessary for operation of the equipment. Flexible wires, cables and hoses shall be arranged to prevent draping or tripping hazards.

3.2.21 LUBRICATION: Components specified as requiring lubrication by the original manufacturer shall have an appropriate means of providing said lubrication included in the design of the machine.

3.2.21.1 The lubrication points will be labeled on the lubrication drawing provided as part of the maintenance documentation and will also be labeled on the machine at the lubrication point and, on any access panel covering the lubrication point. These labels will include as a minimum standard, the specific type of lubricant, the quantity to be used, the frequency for change, and the maintenance manual reference for detailed instructions. The lettering shall be English, and the units shall be English standard (i .e., pints, quarts, and gallons)

3.2.21.2 If an automatic circulation system is used, it shall be complete, including, but not limited to the following: reservoir, valves, nozzles, filters, pumps, sight gages, and other components as necessary to make the system completely functional.

3.2.21.2.1 A system allowing blockages or inadequacies to go undetected is unacceptable. The system shall be interlocked to the machine control, providing an alarm that lubrication failure has occurred. The system shall not initiate immediate shutdown of the affected function during a cutting cycle. It shall allow completion of the cycle and shutdown in an orderly sequence.

3.2.21.2.2 The reservoir shall be sized to allow no less than 80-hrs of machine run time before requiring refill. It shall also have a means provided for draining and cleaning. A means shall be provided to enable the operator to determine the fluid level.

3.2.21.2.3 All filters shall be either cleanable or replaceable.

3.2.21.2.4 All pumps shall be self-priming.

3.2.22 FILTRATION/REGULATION: Equipment requiring filtered or regulated energy sources shall be supplied with the components necessary to perform this function. E.g., the equipment shall be supplied with a Filter, Regulator, Lubricator (FRL) device, if filtered, lubricated, regulated pressurized air is required for the efficient, proper operation of the equipment. These devices shall be located on the equipment side of the lockout devices at the points of first connections.

3.2.22.1 Equipment which requires compressed air shall have a regenerative type desiccant or refrigerated compressed air dryer capable of drying air down to 35°F pressure dew point, minimum, from air entering the equipment at 110°F, and capable of supplying air to the rated standard cubic feet per minute (SCFM) of the equipment. The unit shall purge condensate automatically. In the case of the latter, the refrigerant used shall not be a Class I or Class II, ozone depleting substance. The air dryer shall be connected and/or piped to the equipment by the contractor.

3.2.22.2 Equipment which requires a high-quality constant power source shall have proper isolation and/or power conditioning equipment for the power service designated in this description. All electrical equipment shall have a power factor (ratio of real power to apparent power) of no less than 80%, as read at the equipment main disconnect.

Equipment with a power factor of less than 80% shall be fitted with suitable power factor correction capacitance, sized on the basis of the equipment inductive AC load.

3.2.23 HYDRAULICS: The machine will be equipped with a hydraulic system and the system shall be complete with, but not limited to, pump, valves, piping, cylinders, pressure controls, filter, and reservoir. All components necessary to make the system completely functional shall be provided.

3.2.23.1 If the duty cycle of the system under maximum usage will cause the hydraulic fluid to exceed 120°F in temperature, a suitable air-cooled heat exchanger shall be provided to maintain fluid temperature at or below that temperature. The exchanger shall be equipped with changeable fiberglass filters, unless permanent type filters are supplied.

3.2.23.2 The system shall have adequate capacity to provide sufficient pressure and flow to perform all hydraulic operations under all normal machine operating conditions.

3.2.23.3 Protection shall be provided to prevent damage to components.

3.2.23.4 Safeguards shall be provided to alert the operator of temperatures and pressures above/below design limits. If safe limits (within design limits) are exceeded, the system shall automatically shut down.

3.2.23.5 Anti-surge devices or circuits shall be incorporated to ensure uniformity of motion under varying loads.

3.2.23.6 The hydraulic reservoir shall be provided with means for draining and cleaning.

3.2.23.7 Means shall be provided to enable the operator to determine fluid level.

3.2.23.8 Each hydraulic system shall include a filter, which shall be either cleanable or replaceable.

3.2.23.9 All pumps shall be self-priming.

3.2.24 COOLANT: The machine will be equipped with a coolant system, and it shall be equipped with external flood coolant capabilities, as a minimum. Machines using cutting tools shall be equipped with both through the tool and external flood coolant capabilities. Coolant on/off shall be a machine control function.

3.2.24.1 The coolant systems shall include all necessary components necessary to provide completely functional systems, with sufficient capacity to give satisfactory service and provide adequate pressure and flow under normal operating conditions.

3.2.24.2 Coolant troughs and chip screens shall be provided around the machine table base to trap, direct, and return the coolant to the reservoir. An easily removable strainer shall be provided in the return line to the reservoir. "Easily removable" is defined as being removable after no more than 5 minutes of work by experienced personnel.

3.2.24.3 All machine coolant systems and their components shall provide drip-proof coolant delivery to the coolant point of discharge. In addition, the machine shall be designed and constructed to prevent coolant from escaping the confines of the machine or leaking to the floor when producing workpieces of a size within the dimensions of the machine table.

3.2.25 MOTORS:

3.2.25.1 All motors shall be rated for continuous duty.

3.2.25.2 Motors shall not operate in an overload condition during normal operation of the equipment and shall be equipped with overload protection.

3.2.25.3 Each motor shall bear an identification plate containing the identity of the manufacturer, model number, serial number, input voltage, amperage, horsepower, phase, frequency, duty cycle, and frame size or mounting identification.

3.2.25.4 Motor starters and controls shall operate at no greater than 120-VAC. It is preferred that they operate at 24-VDC.

3.2.25.5 Motor starters shall provide drop-out protection. This means that, in the event of a loss of power, the equipment shall be re-energized only by the deliberate action of the operator. Manual or mechanical motor starters shall not be deemed acceptable.

3.3 Safety, Security, and Environmental

3.3.1 SECURITY:

3.3.1.1 Access and General Protection/Security Policy and Procedures: The contractor and any associated subcontractor employees shall provide all information required for background checks to meet installation access requirements to be accomplished by the installation Director of Emergency Services. If the Force Protection Condition (FPCON) changes, the Government may require changes in contractor installation access, security matters, or security processes.

3.3.1.1.1 Access to CAAA: Contractor and all subcontractor employees performing work at CAAA shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index (NCIC-III) and Terrorist Screening Database (TSDB) and any applicable installation, facility access screening and local security policies and procedures. The Contracting Officer Representative (COR) shall provide guidance to complete the Access Control Records Check Request Form though the CAAA Directorate of Emergency Services.

3.3.1.1.2 Contractor personnel shall return all Installation Badges and access passes as soon as possible prior to contract completion or upon COR request.

3.4 Responsibilities

3.4.1 SITE CONDITIONS: CAAA will be responsible for additional costs incurred by unforeseen, but controllable manmade issues with the location of the system. Examples would include, but are not limited to, buried sewer lines, standing water, and so forth. The contractor will be responsible for all costs associated with correcting foreseeable conditions, including but not limited to low hanging electrical lines which are clearly visible, encountering rock during excavation, inclement weather, interference with established machines or structures by components not shown on the footprint drawing, etc.

4. CNC FIBER LASER

4.1 Equipment: The supplier shall furnish all equipment normally considered standard for a Fiber Laser. The following equipment shall be provided in addition to the equipment specified in other sections of this DFP, which may not be standard. The inclusion of standard equipment in this paragraph is inadvertent and should not be construed to allow duplication.

4.1.1 DOOR ACCESS: The equipment shall be shipped either assembled or disassembled to pass through a door 12-ft wide by 12-ft high and shall not exceed 30-ft in length.

4.1.2 COMPONENT WEIGHT: The maximum weight of any one piece shall not exceed 40,000-lbs.

4.1.3 INSTALLED FLOORSPACE: When installed complete, the equipment shall be contained in an area 20-ft wide and 48-ft long. Maximum height shall not exceed 10-ft. Width is defined as front to back from the operator’s normal operating position.

4.1.4 CUTTING PARAMETERS: The following cutting parameters are minimum requirements:

4.1.4.1 Mild steel up to 1.0-inch.

4.1.4.2 Stainless steel up to .750 inch.

4.1.4.3 Aluminum 0 & T6 conditions (6061, 5086), up to .625 inch

4.1.4.4 Titanium up to .250 inch

4.1.4.5 Galvanized up to .135 inch

4.1.5 CUTTING SPEEDS: The following cutting speed parameters are minimum requirements. The following materials were chosen as high volume materials ran currently at (CAAA) but are not representative of total workload. The following values were chosen for reference of capability:

4.1.5.1 Mild Steel (.25-inch) @ 100ipm with Nitrogen assist.

4.1.5.2 Mild Steel (.5-inch) @ 50ipm with Oxygen assist.

4.1.5.3 Mild Steel (.060-inch) @ 1300ipm with Nitrogen assist.

4.1.5.4 Stainless steel (.060-inch) @ 1350ipm with Nitrogen assist.

4.1.5.5 Aluminum (.080-inch) @ 1100ipm with Nitrogen assist.

4.1.5.6 Aluminum (.25-inch) @ 125ipm with Nitrogen assist.

4.1.5.7 Galvanized (.060-inch) @ 1000ipm with Nitrogen assist.

4.1.6 CUT QUALITY: The system shall be able to hold a 125Ra surface finish.

4.2 Machine Configuration and Motion System:

4.2.1 POWER: The laser system shall deliver energy effectively enough to ensure consistent and superior process quality and shall be programmable over a wide range from 100-W to its full power capacity (5000-W CW)., as well as over a wide enhanced pulsing range up to peak power during continuous operation. These power ranges shall be infinitely variable within a part program.

Y and Z-axes. The system shall utilize high speed helical rack and pinion drives with a digital servo drive system.

4.2.6 VIBRATION DAMPENING: The base shall be a stress relieved casting or fabrication of ample mass to dampen vibration and support all components of the machine. The base shall be provided with a minimum of three mounting holes for securing the machine to the floor.

4.2.7 HOUSING/GUARDING: All slides shall be equipped with way covers, capable of preventing extraneous material from gaining entry between the sliding components.

4.2.8 GEARS: All gearing throughout the machine shall be steel, hardened to 51 Rockwell C and ground to a finish of not less than 32 micro-inches.

4.2.9 TABLE: A work piece support table shall be provided with a cutting area of no less than 6-ft x 12-ft. The table support surface shall be no less than 34 inches and no more than 42 inches from the floor.

4.3.1 X AXIS: X-axis shall be designated as the movement of the bridge in a horizontal plane along the length of the table. (This axis is the motion of the material entering the system via the pallet shuttle.)

4.3.2 Y AXIS: Y-axis shall be designated as the cross movement of the machine cutting head in a horizontal plane perpendicular to the X-axis travel.

4.3.3 Z AXIS: Z-axis shall be the vertical movement and adjustment of the laser head optics over the table and its work piece, in a vertical plane perpendicular to both X and Y axes.

4.3.4 POSITIONING: Position feedback shall provide resolution of 0.0001 inch, or less

4.3.5 BEAM QUALITY: The system shall include a constant beam length delivery system.

4.3.6 BEARINGS: All axes shall be provided with adjustable, preloaded, recirculating ball and/or roller bearings to support and guide the sliding elements. The use of gibs is unacceptable.

4.3.7 NOZZLE CLEANING: The system shall include means of nozzle cleaning. This should happen automatically as a programmable function to limit operator intervention, however there should also be a feature that allows the operator to initiate the cleaning process.

4.4 Controls:

4.4.1 CONTROL CABINET: The control shall comply with NEMA Standard 12 and shall be sealed against dust and shop environmental conditions that might adversely affect performance of the system. No outside air shall be blown through the control for cooling purposes. The control shall be equipped with an industrial type of air conditioner, allowing it to operate satisfactorily in ambient temperatures of 32°F through 110°F and relative humidity of 41 through 95 percent.

4.4.2 CONTROL CONSTRUCTION: The control shall be a solid state, soft-wired, CNC system utilizing large-scale integrated circuits for data processing and control. It shall be a multi-blocked, buffered, contouring system. Static logic circuits shall be on modular, plug-in, printed circuit boards. The back plane shall consist of printed conductors arranged in a bussing structure so that any slot can accept any board type, or the board and backplane shall be marked and/or keyed to assure insertion in the correct socket.

4.4.3 CPU: The controller shall have a 64-bit CPU.

4.4.4 SYSTEM DISPLAY: The system shall include a minimum 15-in TFT color touch screen display. This display will be used for input data display, current condition, diagnostics, set-up, and programming information.

4.4.5 CURRENT CONDITION DISPLAY: The laser controller shall continually monitor and display laser operating conditions on the color display.

4.4.6 INTERLOCKS: Should an interlock be activated; the on-board diagnostics shall display status information on the CRT along with recommendations for correcting the conditions to permit laser operations to resume.

4.4.7 DATA DISPLAY: The control shall display such data as, but not limited to, mode of operation (auto, single block, MDI, and manual); machine position; programmed position; offsets; subroutine index; active program name; indicator of a program edit; list the active block and the next two blocks; sequence number; “distance to go screen”; operator messages, including diagnostics; and stored NC programs.

4.4.8 DATA INPUTS: The system shall be designed to operate from memory, USB Drive, Ethernet LAN connection, and loaded from Manual Data Input (MDI) using the keyboard. It shall also have the ability to concurrently download from a host computer or upload to the host computer, while machining a part.

4.4.8.1 MANUAL DATA INPUT (MDI): By means of the panel keyboard, access to the laser controller shall be obtained for setting power, current, and similar parameters. The program controller shall be accessed through the same multifunction keyboard to set pulse rate, pulse width, power ramping, and pulsed power ramping programs, and shall display the program information on the color display. The control station shall be provided with a keyboard or membrane covered touch panel. In either case, the switches shall be functionally grouped. The keyboard shall be provided with tactile and/or audio acknowledgement for entry verification unless individual key responses are immediately displayed on the display.

4.4.8.2 PENDANT: A hand-held laser head positioning control feature shall be provided to allow the operator to access the entire operator area of the machine for setup purposes and allow for X, Y, and Z axis jog function.

4.4.9 MESSAGES: The control shall be capable of accepting and displaying no less than 40, user defined, status and error messages.

4.4.10 OPERATION MODES: Provision shall be made to allow operation in automatic, single block, and manual modes.

4.4.11 PROGRAMMING:

4.4.11.1 The control shall be capable of accepting manual entries and external program data in both inch and metric, with programmed switch by G code.

4.4.11.2 The control shall accept programs in absolute mode (dimensioned from a reference point) and in incremental mode (dimensioned from point to point).

4.4.11.3 The control shall allow for circular interpolation in the X/Y plane.

4.4.11.4 The control shall be capable of producing mirror image movements.

4.4.11.5 The control shall be capable of pattern repeat and program nesting.

4.4.11.6 The control shall be furnished with de-skew software.

4.4.11.7 The control shall be capable of conditional and unconditional jumps.

4.4.11.8 The control shall be capable of controlling acceleration and deceleration of axis feed rate and traverse moves, maximizing axis movement speeds, while reducing stress to the machine.

4.4.11.9 The control shall ensure that the machine functions occur in the proper order and shall initiate protective action should a faulty condition develop.

4.4.11.10 Single block programming of up to four quadrants, 360-degree moves by defining a radius and end point shall be possible.

4.4.11.11 Feed rates shall be programmable in both inch and metric.

4.4.11.12 It shall be possible to program and edit a decimal point on work values with fractional values, eliminating the need for trailing zeros.

4.4.20.1 The system shall give fault data in understandable code or message form on the display, which will identify a problem in the control and identify program errors.

4.4.20.2 Diagnostics shall include the following, as a minimum.

4.4.20.2.1 Diagnostics page for digital I/O status.

4.4.20.2.2 Power up diagnostics.

4.4.20.2.3 Full time watchdog diagnostics.

4.4.20.2.4 Full time excessive lag diagnostics.

transition in returning to the cut without significant deformation of the part being cut.

positioning mode. The control shall be capable of storing offset dimensions of at least +/-999 inches in the offset memory.

4.6 Media/Devices

4.6.1 REMOVABLE MEDIA: Removable media consists of the following: CD, DVD, USB, SD, and External Hard Drives. Removable media shall be scanned prior to use. Programs and software must be ran from CAAA approved/ provided media or CD/ DVD(s).

4.6.2 VENDOR DEVICES: Vendor Devices will not be allowed to connect to the CAAA network, and they will not be allowed to connect to CAAA equipment other than to scan and transfer media.

4.6.3 NON-GOVERNMENT OWNED SYSTEMS OR DEVICES: The contractor shall comply with AR 25-1 and AR 25-2. The contractor shall not install or connect non-Government-owned computing systems or devices to Government networks without the COR’s coordination and obtaining the proper authorization from the appropriate Information System Security Manager (ISSM), ensuring that all software has a Government Assess Only Authorization. The non-Government-owned computing systems or devices include, but are not limited to, personal or Contractor-owned thumb drives e.g., memory sticks, flash drives, Universal Serial Bus (USB) drives, jump drives, pen drives, removable or external hard drives, Personal Digital Assistants (PDA), PC Cards/Express Cards, MP3 players, cell phones, digital media, floppy disks, compact disc (CD)/digital video disk (DVD) burners, optical recordings, photo flash cards, laptops, or any devices that can store data.

4.6.4 ACCREDITATION AND RE-ACCREDITATION: The contractor shall assist in providing initial system accreditation documentation such as required artifacts and shall answer technical questions required for registration for accreditation. All documents shall be in accordance with Chapter 5, and Appendices D and E, AR 25-2, Information

Systems Security (dated 3 August 2007) and DOD Instruction 8510.01, Risk Management Framework (RMF) Program or future DOD regulation that supersedes these regulations. If applicable, the contractor shall assist in preparing initial risk assessments.

4.7 Chiller Unit:

A sealed, pressurized air-cooled system shall be provided with a cooling capacity rated appropriately for the system. It shall have appropriate Gallons Per Minute gpm flow cooling capacity for the optics as well as any other system components that require cooling. Comment by Bridget: This font/ size appears to be different. Please correct Comment by Smith, Aaron D CIV USA AMC: FIXED Comment by Padavich, Rachael S CIV USARMY ACC (USA): Recommend stating what GPM stands for. For example: Gallons Per Minute (GPM) Comment by Smith, Aaron D CIV USA AMC: fixed

4.8 Range and Capabilities:

The following features, and ranges and capacities are minimums unless otherwise specified. Where a range is shown, it shall be the smallest number or less to the largest number or more.

4.8.22 Repeatability (X, Y, Z) +/-0.0004 inch, max

4.9 Accessories and Equipment:

The contractor shall furnish all equipment and services normally considered to be standard for the machine, whether specifically called for in this DFP or not.

4.9.1 The contractor shall provide a network ready card/cable for control.

4.9.2 The contractor shall provide and install any required regulator kits necessary for assist gas supply connections.

4.9.3 The contractor shall provide all required leveling bolts and pads and hardware for the installation of the worktable.

4.9.4 The contractor shall provide all associated equipment for cleaning the optics for one full year of operation if optics are utilized.

4.9.5 The contractor shall provide safety floor mats or light curtains at the perimeter of the machine table at all accessible points of operation to prevent access to the laser during operation by deactivating the operation of the machine in the case of persons in close proximity of the laser unless an enclosure is provided to prevent access to point of operation. In the case of the latter, safety floor mats are not required.

4.9.6 The contractor shall provide one cartridge type dust collector to collect fumes and particulate matter created by the cutting process. It shall be properly sized to support 24/7 operation of the system. The collector system shall include a spark arrestor and all ductwork necessary to connect to the laser cutter. Specifications for the dust collector are as follows:

4.9.6.1 The dust collector shall have a housing rating of at least 20” water

4.9.6.2 The leg rating of the dust collector…