PD_W25G1Q8325018H.pdf

LETTERKENNY ARMY DEPOT

PURCHASE DESCRIPTION

METAL FINISHING ANNEX CENTRAL VACUUM SYSTEMS

1.0 GENERAL

1.1 SCOPE: Two each turnkey central vacuum systems for the Bldg 350 Metal Finishing Annex at Letterkenny Army Depot (LEAD) are to be provided. These systems will be used to remove dust generated from sanding operations. The existing 2 each dust collectors/ distribution system shall be removed. All materials and labor shall be included. The completed systems shall comply with all specifications, standards, and requirements listed in this document.

1.2. GENERAL INFORMATION

1.2.1 Hours of Work: All work will be performed during Letterkenny’s tour of duty which is a compressed work schedule with eight days that are nine hours in duration, one day that is eight hours in duration and one standard day off within a two week pay period (80 hours). Monday through Thursday will be nine hour days scheduled from 0600 through 1530. The first Friday of the pay period will be an eight hour day scheduled from 0600 through 1430. The second Friday of the pay period will be the standard day off. Other hours, weekend, and holiday work will be considered separately as requested by the contractor and approved by the Contracting Officer.

1.2.2 Security, Safety, and Fire Protection: All work will comply with LEAD 385-1 and 385-4 for contractors working on the depot. The equipment and installation will meet all of the safety criteria set forth in ANSI Z9.4 and OSHA 29 CFR 1910.94

1.2.3 Security Requirements: The contractor will be responsible to ensure that all employees and subcontractor employees that will visit the depot will comply with applicable installation, facility and area commander installation/facility access and local security policies and procedures (provided by government representative). The contractor will also provide all information required for background checks to meet installation access requirements to be accomplished by installation Provost Marshal Office, Director of Emergency Services or Security Office. Contractor workforce will comply with all personal identity verification requirements as directed by DOD, HQDA and/or local policy. Should the Force Protection Condition (FPCON) change, the Government may require changes in contractor security matters or processes.

1.2.4 OPSEC Training: Per AR 530-1, Operations Security. Contractor employees and associated sub-contractor employees will complete Level I OPSEC training within 30 calendar days of their reporting for duty and annually thereafter. The contractor will submit certificates of completion for each affected contractor employee and subcontractor employee, to the COR or to the contracting officer if a COR is not assigned, within 15 calendar days after completion of training. Level 1 OPSEC training is available on the Letterkenny Army Depot homepage – www.lead.army.mil

1.2.5 iWATCH Training: The contractor and all associated sub-contractors with an area of performance within an Army-controlled installation, facilities or area will brief all employees on the local iWATCH program. This local developed training will be used to inform employees of the types of behavior to watch for and instruct employees to report suspicious activity to the TPOC or contracting officer. This training will be completed within 30 calendar days of contract award and within 30 calendar days of new employees commencing performance. The contractor will report completion for each affected contractor employee and subcontractor employee, to the TPOC and contracting officer within 15 calendar days after completion of training. iWATCH training is available on the Letterkenny Army Depot homepage – www.lead.army.mil

1.2.6 AT Level I Training: All contractor employees, to include subcontractor employees, requiring access to Army installations, facilities, and controlled access areas will complete AT Level I awareness training within 30 calendar days after contract start date or effective date of incorporation of this requirement into the contract, whichever is applicable. The contractor will submit certificates of completion for each affected contractor employee and subcontractor employee to the COR or to the contracting officer, if a COR is not assigned, within 15 calendar days after completion of training by all employees and subcontractor personnel. AT Level I awareness training is available at the following website:

http://jko.jten.mil/courses/atl1/launch.html

1.2.7 Badges: Identification badges will be issued for admittance of personnel before performing work or service on this contract. The identification badge is the property of the US Government and must be returned upon termination or demand. The contractor/vendor agrees that he will ensure all badges issued to employees are returned to the Badge and Identification Section, Security Division, Letterkenny Army Depot promptly on termination of need or on expiration, which occurs first. The badge room is located in Bldg 2, phone # 717- 267-5301. Hours of operation are 7:30 AM to 3:30 PM, Monday thru Friday, exclusive of Federal Holidays.

2.0. GOVERNMENT RESPONSIBILITIES: LEAD will be responsible for the following:

2.1. Facilities: The government will provide clear access to all working areas necessary for the contractor to perform the installation outlined, during the hours listed in section 1.2.1 above.

2.2. Equipment:

2.2.1. Located inside the new 350 metal finishing annex, see attachment A.

2.2.2. Electrical and compressed air hookups will be available for tools needed by the contractor during installation.

2.3. Materials/Services:

2.3.1. The Government will provide a connection point within 25’ for electrical and air service where required for operation of the Central Vacuum Systems.

2.3.2. Provide electricity and compressed air for vendor hand tools.

2.3.3. Provide space to layout out supplies, tools, etc. needed to complete the project.

3.0. CONTRACTOR RESPONSIBILITIES: the contractor will be responsible for the following:

3.1 Upon award of the contract, the contractor will perform an in depth inspection of the installation site to familiarize themselves with the site conditions.

Any required facilities modifications will be made known to the LEAD POC at this time.

3.2 Provide all utility requirements and expected arrival date of equipment 60 days prior to equipment delivery. At this time the contractor will also provide a firm installation start date.

3.3 Ensure the electrical installation is performed in accordance with the National Electrical Code and National Electrical Manufacturer's Association. All electrical work will be subject to inspection by LEAD electricians.

3.4 Supply all equipment, parts, labor and materials necessary for the shipping, off-loading, storage, positioning, installation, and proper operation of the provided equipment.

3.5 Installation of the equipment in its entirety, including all electrical connections.

3.6. Electrical equipment and devices must meet OSHA requirements for grounding, rating, and listing by a recognized testing laboratory (such as UL), and for conformity to the applicable provisions of the latest edition (at the contract award date) of NEMA ICS 6, and C12.1 and the National Electrical Code.

3.7. Ensure that all welding is performed in accordance with AWS D1.1.

3.8. Remove all excess equipment, shipping crates, scrap and consumable materials used by the contractor for shipment and installation of the equipment.

3.9. The contractor shall be responsible for obtaining site/equipment measurements and dimensions. Any dimensions provided by government personnel shall be considered approximate and shall not be used for design purposes. Failure of the contractor to acquaint himself with conditions attending the work site will not be considered sufficient reason for changing the cost or performance schedule of this project.

4.0. SALIENT CHARACTERISTICS: Two each turnkey central vacuum collection systems are to be installed in the Metal Finishing Annex in Bldg 350.

One system will service the shelter repair area. The second system will service the sanding room. The central vacuum systems shall include new 50 HP positive displacement exhausters, cyclonic separators, spark arrestors, airlocks, cartridge filters, silencers, explosion protection, column drops, vacuum tubing and hoses, airlines, ductwork, HEPA filtration, electrical controls, and all associated equipment. Prior to installation of the vacuum systems, the two each existing dust collection systems (including the air distribution duct/piping) shall be removed. The attached drawing provides the layout /location for the existing dust collectors and distribution network that shall be replaced with the new equipment.

All necessary equipment, labor, and materials to remove the existing equipment and to fabricate and install the new systems shall be included.

5.0. SPECIFICATIONS:

5.1 Removal of Existing Equipment

5.1.1 The existing dust collectors (DC-1 and DC-3 on the attached drawing) shall be disassembled and positioned within 100’ of the present location.

5.1.2 The existing distribution tubing shall be disassembled and stored near the dust collectors.

5.1.3 Removal of all existing control panels, disconnects, conduit, and miscellaneous electrical components and airlines shall be included. These parts shall be stored with the dust collectors.

5.1.4 The components shall be positioned for ease of future removal (i.e.

blocking, pallets, etc.) via forklift/flatbed.

5.1.5 Any through holes exposed through removal of this equipment shall be filled/repaired and the surfaces restored to match the existing surfaces.

5.2 Central Vacuum Systems

5.2.1 General

5.2.1.1 The new vacuum system/distribution system layouts will be the same as the dust collector/distribution layouts shown on the attached drawing.

5.2.1.1 The distribution arrangement shall include 10 double (wye branch) work stations per system (20 vacuum connections per system/40 total vacuum connections).

5.2.1.2 The trunk line for the shelter repair area will be approximately 250’ long.

The trunk line for the sanding room will be approximately 200’ long. The drops are approximately 15’ high.

5.2.1.3 Any portion of the systems located exterior to the building shall be primed, painted, and electrically configured for outside service.

5.2.1.4 Labor and materials required for any wall penetrations shall be the responsibility of the contractor.

5.2.2 Vacuums/Collectors

5.2.2.1 The systems shall include a high volume positive displacement exhausters with 50 HP TEFC motors capable of delivering 1,200 cfm at 14" Hg vacuum. The exhauster units shall be equipped with direct drives/drive couplers, vacuum relief valves, and guards. The dust collectors/blower assemblies shall have sound curtains all around.

5.2.2.2 The system shall include Discharge silencers and inlet silencers.

5.2.2.3 Primary cyclone separators with cartridge filters shall be provided. The cartridge filters (800 sq. ft. minimum filter media) shall be fire retardant and MERV 15 minimum. The filters shall be cleaned utilizing compressed air jet pulse cleaning.

5.2.2.4 Magnehelic differential pressure gauges, which will indicate when the cartridge filters need replaced, shall be provided.

5.2.2.5 Storage hoppers with 1.5 HP rotary discharge airlock valves, which will permit continuous dumping of captured dust into a 55 gallon drum, shall be provided. The hoppers shall be equipped with access doors. The access doors shall be designed so that debris from the hopper will not spill when the door is accessed.

5.2.2.6 Drum lids, interconnecting hoses, and connecting hardware shall be provided.

5.2.2.7 Platforms/support stands shall be provided to raise the filter unit to accommodate the rotary valves, 55 gallon drums, and interconnecting hoses.

5.2.2.8 Platforms and ladders shall be provided to access the filters.

5.2.2.9 Weatherproof HEPA filter units shall be installed on the outlet side of the exhausters and the air will be returned to the building via duct.

5.2.2.10 Broken bag detectors, with audible and visual alarm systems, shall be installed on the outlet side of the exhausters. The blowers shall shutdown after a pre-set amount of time in the event of leakage.

5.2.2.11 High level bin indicators shall be provided for the dust collector hoppers.

5.2.2.12 Each system shall have a manual air bleed in butterfly valve with ten point adjustment to let ambient air in and to adjust vacuum level.

5.2.3 Vacuum/Airline Distribution System

5.2.3.1 Schedule 40 pipe shall be used for the main trunk lines and 10 ga.

graduated galvanized tubing shall be used for the drops and other lines.

5.2.3.2 Twenty (ten per system) dual, 2" dia., galvanized tube, column mount drops with inlets shall be provided. The inlets shall be provided with normally closed, spring loaded caps.

5.2.3.3 Twenty (ten per system), 1-1/4" dia. x 25' long, anti-static, lightweight vacuum hoses shall be provided. The vacuum hoses shall have 1/4" dia. airlines attached so that the vacuum hose and airline can be attached at the work station and at the tool. 2” x 1-1/4” reducers shall be provided for all vacuum hoses. The reducers shall fit the 2” diameter drop inlets.

5.2.3.4 Cyclonic spark arrestors and large particle knockouts shall be incorporated into the exterior duct networks, upstream of the dust collectors.

5.2.3.5 Explosion protection shall be included in the distribution networks. This shall include an abort gate at the dust collector inlet and an explosion diverter at the outlet. The abort gate shall isolate the dust collector and the explosion diverter will divert the airflow to atmosphere and shutdown the blower. An explosion vent with burst sensor shall also be provided on the dust collectors.

5.2.3.6 Eight each (four per system) 25’ x 2” vacuum hoses with antistatic sweeper heads shall be provided to vacuum work area floors.

5.2.3.7 Twenty (ten per system) hose racks shall be provided for air drops and vacuum hose connections.

5.2.4 Electric

5.2.4.1 NEMA 4 electronic control panels shall be provided on the interior wall near the vacuum units with the following features:

- "soft start" controls with built-in bypass controls and overload for 50 HP motors

- controls for the rotary discharge valves and automatic jet pulse cleaning

- run and stop pilot lights for airlock motors

- starter for airlock motors

- bin full indicator lights and blower shutdown when indicator is tripped

- 480VAC-120VAC transformer

- ampmeter with 0-90 amp range, 460V, 3 ph, 60 Hz with weather cover wired to 50 Hp starters

5.2.4.2 The exhauster motors shall be configured for 480 volt, 60 cycle, 3 phase power.

5.2.4.3 Remote disconnect switches, located outside near the units, shall be provided for the blower and airlock motors.

5.2.4.4 Separate control panels shall be provided for the explosion protection devices. The control panels shall control the shutdown and reset of the blowers should an event occur.

6.0. MANUALS: Two sets of operator instruction manuals, maintenance service manuals, and parts listing manuals shall be provided for the unit. These manuals will be written in the English language. Two sets of electrical schematics will also be provided.

7.0. ELECTRICAL EQUIPMENT: Electrical equipment and devices must meet OSHA requirements for grounding, rating, and listing by a recognized testing laboratory (such as UL), and for conformity to the applicable provisions of the latest edition (at the time of contract award date) of NEMA ICS 6, and C12.1 and the National Electrical Code.

8.0. WARRANTY: The contractor shall submit a statement of warranty covering all parts, workmanship and service labor for a period of not less than 1 year. The contractor shall provide commercial warranties for any subcontracted components that will be underwritten. The warranty shall be effective beginning immediately after final acceptance of the unit.

9.0. STANDARD PRODUCTS: The units shall be a new and regularly advertised product in order to provide a constant source of replacement parts and technical assistance.

10.0 INFORMATION ASSURANCE REQUIREMENTS: These systems will

operate in stand-alone mode only (no network connection of any kind). If there becomes such a time where these systems require the use of another PC (laptop, tablet, etc.) or network connection it will conform to all requisite DoD and Army cybersecurity requirements. Additionally, since these systems operate in stand-alone mode there will be no ability to connect via either wireless (e.g Bluetooth) or wired (e.g. Ethernet cable), to a network. If these parameters change then the systems will be subject to Change Configuration Board (CCB) approval for operation.

11.0. PRESERVATION, PACKAGING, AND DELIVERY: The contractor shall use standard commercial methods for preservation and packaging appropriate for the central vacuum system and acceptable to commercial carriers. As a minimum, all areas susceptible to damage from exposure to the elements shall be preserved and/or packed to prevent damage. The contractor shall be responsible for ensuring the equipment is delivered to LEAD in good condition.

12.0. MACHINE DEMONSTRATION: The contractor shall complete start-up of the central vacuum system and demonstrate operation to government personnel.

Instructions shall be provided on operation, maintenance, and safety.

13.0. APPLICABLE DOCUMENTS: The latest edition of the following documents (at time of contract award) form a part of this specification:

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA ICS 6 - Enclosures for Industrial Controls and Systems NEMA 12.1 - American National Standard for Electric Meters Code for Electricity Metering Copies may be obtained at http://www.nema.org

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 - National Electrical Code NFPA 91 - Standard for Exhaust Systems for Air Conveying of Vapors, Gas, Mists, and Particulate Solids Copies may be obtained at http://www.nfpa.org

LETTERKENNY ARMY DEPOT (LEAD)

LEAD 385-1 - LEAD Safety and Occupational Health Program LEAD Pamphlet 385-4 - Safety Requirements for Security, Safety, and Fire Prevention for contractors performing work on LEAD Copies may be obtained from Letterkenny Army Depot Directorate of Contracting