2017-02_VRU.doc

SPEC-982-16-147

EQUIPMENT SPECIFICATION FOR

PORTABLE VACUUM RECOVERY UNIT FOR ABRASIVE BLAST GRIT

1 SCOPE

1.1 Scope. This specification covers the general design and performance requirements for the rental of a portable vacuum recovery unit supplied complete and ready for use with equipment, accessories, machine installation, testing, training, and other services as described herein.

1.2 Intended Application. This equipment will be used to recover spent grit used in abrasive blasting. The grit may be up to 200 feet away from the equipment, and recovered using a six (6) inch industry standard vacuum recovery hose at the inlet to the equipment.

2 APPLICABLE DOCUMENTS

2.1 Issues of Publications. The following documents of the issue date in effect on the date of request for proposal form a part of this specification to the extent applicable, or as specified herein. Within the specification, they shall be referred to by their basic designation only.

2.1.1 Government Publications.

Code of Federal Regulations

29 CFR 1910 – Occupational Safety and Health Standards

29 CFR 1926 – Safety and Health Regulations for Construction

40 CFR 261 – Identification and Listing of Hazardous Waste

Federal Standards

FED-STD-313D – Material Safety Data, Transportation Data, And Disposal Data For Hazardous Materials Furnished To Government Activities

2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless a specific issue is identified, the issue in effect on the date of invitation for bids or request for proposal shall apply.

American National Standards institute Inc. (ANSI)

ANSI/AMT B11.19 – Performance Criteria for Safeguarding

(Application for copies should be addressed to American National Standards Institute (ANSI), 1899 L Street, NW, 11th Floor, Washington, DC 20036. Electronic copies may be obtained from https://www.ansi.org/.)

American Welding Society

AWS AWS-D1.1 – Structural Welding Code

(Application for copies should be addressed to American Welding Society (AWS), 8669 NW 36st, Suite 130, Miami, FL 33166. Electronic copies may be obtained from https://www.aws.org/.)

National Electrical Manufacturer’s Association (NEMA)

NEMA ICS 1 – Industrial Controls and Systems

NEMA MG 1 – Motors and Generators

NEMA 250 – Enclosures for Electrical Equipment

(Application for copies should be addressed to National Electrical Manufacturers Association (NEMA), 1300 N 17th St., Suite 900, Rosslyn, VA 22209. Electronic copies may be obtained from https://www.nema.org/.)

National Fire Protection Association (NFPA)

NFPA 70 – National Electrical Code

NFPA 70E – Electrical Safety

NFPA 79 – Electrical Standards for Industrial Equipment

(Application for copies should be addressed to National Fire Protection Association (NFPA), 1 Batterymarch Park, Quincy, MA 02169-7474. Electronic copies may be obtained from https://www.nfpa.org/.)

2.3 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3 REQUIREMENTS

3.1 General Description of System. The equipment shall meet all the performance and construction characteristics herein. The equipment shall be portable and provide for full recovery of abrasive sandblast grit, which may be located up to 200 feet way from the equipment. See Table (1) and Figure (1) for additional performance information. All values given are intended as the actual value, unless specified as a range, maximum or minimum.

Table (1) Oven Characteristics and Performance

Weight (MAX)

FIGURE (1) Typical Vacuum Recovery Setup

3.2 General Equipment Requirements. All materials and parts comprising the system shall be new, of current design and manufacture, and shall not have been in prior service except as required for factory testing. Standard, off the shelf components with proven reliability shall be used wherever possible to increase performance, reliability and cost. The equipment shall be one of the manufacturer’s current production models which, on the day this solicitation is issued, has been designed, engineered and sold, or is being offered for sale through advertisements or manufacturer’s published catalogs or brochures. Products such as prototype unit, preproduction model, or experimental unit do not qualify as meeting this requirement. The equipment shall be complete, so that when connected to the utilities identified herein, it can be used for the function for which it is designed and constructed.

3.3 Operating Environment. The proposed system will be operated in a heavy industrial environment and shall be capable of continuous operation over an extended period of time with minimal maintenance and upkeep. The equipment shall be suitable for operation in an outdoor salt-water marine industrial environment, at variable ambient temperatures of -10oF to 100oF, with high humidity.

3.4 Electrical. All electrical equipment shall conform to the appropriate standards listed in Section 2 of this document, as well as industry accepted norms.

3.4.1 Source. The equipment delivered and all accessary parts shall operate from a single source of primary power.

3.4.2 Grounding. All exposed, non-current carrying metal parts on the equipment shall be maintained at common, zero ground potential. None of the primary circuits in the equipment shall be connected to ground. A grounding stud/lug on the equipment shall provide a means for grounding the equipment.

3.4.3 Overcurrent Protection. All electrical components shall be fused or circuit breaker protected in each phase conductor for AC circuits and both DC circuit conductors. Overloads, fuses and circuit breakers shall be coordinated for maximum component protection and minimum circuit disruption.

3.4.4 NRTL Approval. The control system shall be housed in a NEMA rated electrical enclosure that is NRTL approved per OSHA 29CFR1910. A standard NRTL field evaluation is allowed for approval.

3.4.5 Energy Isolating Devices. Equipment provided by the contract shall provide energy isolating devices (e.g. safety switches, valves, etc.), to protect personnel from hazardous energy. The devices shall be designed and manufactured such that the device can be locked in the user selected position (ON/OFF) to prevent inadvertent or unauthorized change. The contractor shall ensure that all energy isolating devices installed or modified are capable of being locked. This includes both mechanical and electrical devices.

3.5 Motors. The motors shall conform to the appropriate standards listed in Section 2 of this document, as well as industry accepted norms. The intended application for this equipment shall be evaluated to determine the required motor type, along with the requirements below. Servomotors are servomechanisms and shall not be required to be in accordance with NEMA MG-1.

3.5.1 Enclosures. All electric motors shall be the totally enclosed, fan cooled style

3.5.2 Mountings. The motor shall be mounted for vibration isolation.

3.5.3 Duty Cycle. The motor shall have a duty cycle that is appropriate for the intended application and usage.

3.5.4 Efficiency. The motor shall be a premium efficiency motor for energy efficiency.

3.5.5 Bearings. The motor bearings shall be of the sealed for life and permanently lubricated type. Unnecessary grease fittings or plug holes shall be removed. The bearings shall provide the proper lubrication to support intermittent use and long-term storage.

3.5.6 Motor Controller. The motor controller shall be designed to allow for a reduced voltage or soft start, at less than full load current to reduce the electric current surge of the motor during start-up.

3.6 Personnel Safety and Health Requirements. All machine parts, components, mechanisms, and assemblies furnished on the unit shall comply with all specific requirements of “OSHA Safety and Health Standard (29CFR1910), General Industry” , ANSI/AMT B11.19, ANSI/AMT B11.22, and ANSI/AMT B11.23, and ANSI/AMT B20.1 that are applicable to the equipment itself. Covers, platforms, guard rails, belt guards, and safety devices shall be provided for all parts of the equipment that present a safety hazard. The safety devices shall not interfere with the operation or maintenance of the equipment. The safety devices shall be removable to facilitate inspection, maintenance, and repair of the part. Additional safety and health requirements shall be as specified in other paragraphs of this specification.

3.7 Material Safety Data Sheets (MSDS). Offeror's and contractors are required to submit Material Safety Data Sheets (MSDS’s) whenever the supplies being acquired or supplies used during performance are identified as hazardous materials. Hazardous Materials shall include any material which, by virtue of its potentially dangerous nature (e.g., toxic, flammable, corrosive, oxidizing,p irritating, sensitizing, reactive), requires controls in its use, packaging, handling, storage, or stowage, to assure adequate safety to life and property. This definition is intended to apply to proprietary industrial, commercial, or locally prepared blends, mixtures, formulations, or compounds of gases, liquids, and solids intended for use at the job site. Any other material that has been designated by a Government technical representative as potentially hazardous and requiring safety controls shall also be supplied with a MSDS. MSDS’s are to be available at work sites where materials are being used.

3.8 Audible Noise Levels. During normal operation, the equipment shall not produce noise levels greater than 84 dB(A) at the hearing zone of the operator's work position (In this case "hearing zone" is defined as a sphere within a two foot diameter surrounding the head) nor at any other point at a distance of three (3) feet from the equipment, as measured on the "A" weighted scale of a calibrated Type II or better sound level meter at slow response under all operating and service conditions.

3.9 Environmental Protection. The unit shall be designed and constructed so that during operation, service, transportation and storage conditions described herein, including final disposal, the equipment will comply with all applicable Environmental Protection Agency (EPA) and Occupational Safety and Health Agency (OSHA) (and their state and local counterpart's) requirements.'

3.10 Hazardous Material Exclusions. Supplies being used in the performance of this contract, or materials being provided as part of the equipment shall be free of known hazardous materials. Definitions of hazardous materials are specified in the latest version, including revisions adopted during the term of the contract, of Federal Standard No. 313. Notwithstanding any other hazardous material usage permitted in this contract, radioactive materials or instruments capable of producing ionizing radiation as well as materials which contain asbestos, mercury, cadmium, lithium, methylene chloride, lead (=or>0.06%), or polychlorinated biphenyls (PCB’s) are prohibited.

3.11 Painting. The exterior and interior of all enclosures, and all components, shall be painted or fabricated of materials which are corrosion resistant. The painting may be in accordance with the manufacturer’s standard practice provided it results in a highly wear resistant finish which ensures continued protection against the shipyards salt water marine operating environment under all service conditions. Prior to painting, surfaces shall be properly cleaned, prepared and primed. Lead base or chromium base paints are prohibited.

3.12 Caution - Warning Plates. Corrosion resistant “Caution” or “Warning” plates or labels shall be securely attached to the equipment in visible locations, with any safety precautions to be observed by the operator or maintenance personnel permanently marked on the plates.

3.13 Identification Plate. An identification plate shall be furnished with the equipment. A nameplate shall be affixed to each major component of the system showing the manufacturer’s name, equipment model, year of manufacture, amp rating of largest motor, and any other pertinent information for identifying the part as a unique component of the system.

3.14 Equipment weight. The total weight of the unit shall be stenciled on each side of the unit with 2" high lettering with a contrasting paint (yellow unacceptable).

3.15 Handling Devices.

3.16 Lugs or lifting eyes. The equipment shall be provided with lugs or lifting eyes arranged with the vertical center of gravity for and shall result in a stable, balanced and level lift when lifted with four slings of equal length which are supported by a single strong back or lifting beam by overhead crane.

3.16.1 Lifting Points. The lifting points shall be located no lower than the top of the unit unless approved in writing by the responsible technical code at PNS, with concurrence of Code 700. Each lifting point must be permanently identified with its Working Load Limit (i.e. Stenciled, stamped or etched). The lifting points shall allow the use of screw pin shackles.

3.17 Tine guide openings. The equipment shall be provided with box-section, tine-guide openings in the base for safe handling and transport by forklift truck. The box sections shall extend through the entire length or width of the equipment, completely enclosing the forklift tines. They shall be fabricated from metal having a minimum thickness of 0.25 inch. The base shall also have forklift slots (5” high x 10” wide) for handling with a forklift truck; the slots should be 72” apart from inner rail to rail, or 82” center to center. Forklift slots shall extend completely through the length or width of the unit and be constructed of metal. They shall be welded to the base and so spaced apart, center-to-center, that while transporting the equipment, a forklift truck can pass over pavement obstructions causing dynamic stresses representing five times the equipment's weight without causing the box sections to fracture or part from the base.

3.18 Specific Characteristics for Equipment and Services to be Provided. The equipment specified herein shall include, but is not limited to the following components, attachments, and accessories.

3.18.1 Utilities. The equipment shall be designed and constructed to be complete for operation on following available utilities:

Electric:

Single Service , 460 volts (+10%), 3 phase, 60 Hertz

Compressed Air:

100 PSI regulated, (+ 10 %)

3.18.2 Condition Upon Receipt – The machinery shall be in a fully-charged, fully-assembled, ready-to-use, and in a first-class-operating condition. Machines shall be functionally tested prior to its delivery. The machinery with its support equipment shall be delivered to the site on or prior to the request date. It is incumbent and the responsibility of the Contractor to either confirm or coordinate the date and time of delivery prior to each shipment via the Point-of-Contact (POC) as designated on the Contract and/or the Contracting Officer's Representative (COR). The Government can provide forklift services for removing machinery from Vendor’s transport during work hours. Documentation with Shipyard copies shall accompany each delivery.

3.18.3 General.

3.18.3.1 Meter. The equipment shall be fitted with a meter(s) to measure operating time of the: System/unit. The time totalizing meter shall be of the non-resetting type and shall have a range of 0 to 100,000 hours in increments of 1 hour and 99999 shall be the maximum readout. The least significant digit on the meter readout shall be 1 hour. Lesser increments are not acceptable. Upon reaching the maximum accumulative hours, the meter readout shall automatically revert to zero and continue to totalize time. The meter shall be designed to prevent the entrance of dust and moisture and shall be mounted to withstand shock and vibration generated by the equipment. The meter shall be located as to be readily visible, but not subject to abuse relative to the operating environment of the equipment.

3.19 Adapters. The units must be supplied with adapters to allow hose diameters to vary 4”, 5”, and 6” interchangeably.

3.19.1.1 Lubrication chart or plate. A lubrication plate or chart shall be securely attached to the equipment. If a chart is furnished, it shall be placed in a transparent plastic folder or laminated between clear plastic permanently sealed sheets. The following information shall be furnished on the chart of plate:

· Points of application

· Service interval

· Type of lubricant

· Viscosity

· Federal or Military Specification Number (if available)

3.19.2 Structural.

3.19.2.1 Base. For portability, the entire unit shall be mounted on a single heavy-duty skid base of steel construction. The skid base shall provide adequate bracing and support to permit placing the entire assembly on uneven surfaces without causing equipment damage, distortion or overstress. The base and associated framework shall be gusseted and cross braced as necessary to withstand the stresses, vibration and shock associated with rough handling and transport of the unit by overhead crane or flatbed truck over rough surfaces. The footprint shall be no greater than 8’ 3” wide and 24’6” long. The skid base and framework shall be welded in accordance with ANSI/AWS D1.1.

3.19.3 Mechanical.

3.19.3.1 (PD) Blower. The blower shall be of the electric powered rotary positive displacement type (i.e. “ROOTS” or equivalent) The inlet connection shall be compatible with adaptors for 4”,5”,& 6" ID vacuum recovery hose and have the following characteristics:

a. Free air capacity of 4500 CFM (minimum) and a capped vacuum capacity of 27” Hg.

b. The blower shall be designed for continuous operation, and incorporate provisions to protect blower from overheating. The system shall not require water for cooling or for vacuum operation.

c. Outlet filters shall be HEPA (.3 micron) compliant.

3.19.3.2 Baghouse. The filter bags shall provide for a quick change out of all bags. The filters shall be cleaned by reverse pulse cleaning and cyclonic separation.

3.19.4 Electrical.

3.19.4.1 Power supply connection. The power supply connection is to be separate phase, male, CAMLOCK Duraline E-1016 connectors. There shall be two Duraline E-1016 connectors per phase for each of the three phases for a total of six (6) connectors, box mounted in or near the main control panel. The electrical cords penetrating the panel must have strain relief adaptors to prevent the power supply cords from being pulled out of the control panel.

3.19.5 Control System.

3.19.5.1 Main Control Panel. A main control panel, housed in a NEMA 4 enclosure, shall be mounted on the equipment in a location convenient to the operator and shall contain all electrical components except those needed at point(s) of operation. All controls, push buttons, warning lights, etc., shall be labeled in the English language, identifying their function, sensor location or other pertinent data. Separate warning or indicator lights, clearly labeled, are required for each operation mode or fault detector system specified below and are to have a lamp test feature.

The panel shall include the following:

1. Fused main disconnect switch or circuit breaker for single point electrical disconnect to the entire system.

2. Motor starter and main disconnect with power on light

3. Start/stop push-button with run light

4. Circuit breaker overload protection

5. Circuitry for main motor "soft start" to limit inrush current.

6. Control transformer and circuits.

7. Non reset hour meter for the main motor

8. Capacitance sensor connected to the vacuum with interchangeable extensions cords of 50’, each vacuum shall be supplied with five 50’ lengths for a total of 250’ of cord per vacuum unit. The mechanical type sensor will be supplied with a 1 ¼” quick coupler to connect the unit to the vacuum box quickly, without the use of tools. The 1 ¼” quick coupler mounted on the sensor’s female end must screw onto a 1 ¼” NPT threaded pipe on the vacuum box. The sensor will shut the vacuum down when a loading bin is full.

3.19.6 Training.

3.19.7 Maintenance. The equipment will be operating around-the-clock under a rigorous deployment performance schedule. Within twenty-four (24) hours (one-day) of initial notification of the need for repair, the Contractor shall have a knowledgeable and equipped technician on the job-site fully prepared to repair the rental equipment. The defective unit(s) shall be repaired within forty-eight (48) hours (two day) of initial notification or, if the original defective unit(s) cannot be made operational, replaced within seventy-two (72) hours (three days) of initial notification. If the equipment failure is not the fault of the Government, the Contractor shall bear all costs associated with its repair and/or replacement.

3.20 Technical Data to be Provided.

3.20.1 Data required for review. All the performance characteristics identified and requirements specified in section 3.0, following sections and in the list below shall be provided for technical review.

· A picture or drawing showing a similar unit

· Footprint Area

· Working Area

· Static pressure requirements

· Vacuum Performance

· Noise decibel readings at full load

· Electrical Requirements of all equipment. Including, HP and FLA to size CB

· Approximate Time to Deliver

· Description of Operator Control Panel

· Controller and software description

3.20.2 Requirements for technical proposals. Offerors shall submit, technical proposals written in the English language with the data requested. The proposal shall enable government personnel to make a thorough evaluation and determination as to whether or not the proposed equipment fully meets the requirements of the solicitation. To this end, each proposal shall be as specific, detailed and complete as to demonstrate that the offeror has a thorough knowledge and understanding of the requirements. Statements that paraphrase the specifications or attest that "standard procedures will be employed", etc., are inadequate. Each proposal must be sufficiently adequate to demonstrate full compliance with the technical requirements of the specifications. Failure to comply with these instructions may result in rejection of an offer.

4 QUALITY ASSURANCE PROVISIONS

4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.

4.2 Acceptance Testing at Destination. The equipment shall be supplied FOB Destination (Portsmouth Naval Shipyard). Upon receipt, the equipment shall be inspected for shipping damage, verification of quantities, mechanical and electrical integrity, and the requirements of section 3. Within fifteen (15) days of delivery, the equipment will be connected to the appropriate utilities, and operated to sufficiently demonstrate conformance to the requirements of the specification. Any discrepancies on any item of equipment supplied shall be promptly corrected by the manufacturer at no cost to the government.

4.3 Final Acceptance – Upon satisfactory completion of inspection and test of the equipment, the authorized Government Representative (Portsmouth Naval Shipyard) will sign and forward the acceptance document(s) to the paying office.

5 PACKAGING

5.1 Special Delivery Instructions. The contractor shall notify the receiving activity of the scheduled arrival date of the equipment and any special handling requirements. Notification shall be made not less than 72 hours prior to the delivery date. This notification is necessary to ensure off-loading services are arranged. If proper notification is not given, the Government will not responsible for any delays and expenses caused by the inability to off-load the supplies upon delivery. Portsmouth Naval Shipyard will not accept deliveries after 1500 hours Monday through Friday. No deliveries will be accepted on Saturday or Sunday.

6 NOTES

REVISION 1.0