MODIFICATION
66 -- Modification to W911QX-06-T-0067 Statement of Work and response date change.
- Notice Date
- 7/6/2006
- Notice Type
- Modification
- NAICS
- 325120
— Industrial Gas Manufacturing
- Contracting Office
- RDECOM Acquisition Center - Adelphi, ATTN: AMSSB-ACA, 2800 Powder Mill Road, Adelphi, MD 20783-1197
- ZIP Code
- 20783-1197
- Solicitation Number
- W911QX-06-T-0067
- Response Due
- 7/13/2006
- Archive Date
- 9/11/2006
- Small Business Set-Aside
- Total Small Business
- Description
- STATEMENT OF WORK/DESCRIPTION OF SUPPLIES Description/Specifications/Work Statement Liquid and Gaseous Nitrogen Supply and Maintenance of Systems C.1. BACKGROUND a. The U.S. Army Research Laboratory (ARL) has a building, which is referred to as the Zahl Physical Sciences Laboratory (ZPSL), also identified as Building 207 at the Adelphi Laboratory Center (ALC), located in Adelphi, Maryland. b. The purpose of this contract is to deliver of quantities of liquid nitrogen to the ZPSL within sufficient time to ensure uninterrupted supply of liquid gases to the liquid and gaseous nitrogen system. This contract also calls for maintenance of the external nitrogen supply system equipment. C.2. LIQUID AND GASEOUS NITROGEN SUPPLY SYSTEMS: The contractor shall be aware of all equipment encompassed as noted in C.1b, above: C.2.1 Liquid and Gaseous Nitrogen Supply Systems Capabilities The operation and maintenance of complete and independent liquid and gaseous nitrogen (LGN2) systems for the supply of high quality liquid nitrogen and ultra high purity and general purity gaseous nitrogen is required as detailed below. The contractor sha ll provide all labor, materials, and services necessary to operate and maintain the nitrogen supply systems as they exist. The LGN2 system shall consist of two parts. C.2.1.1 Liquid Nitrogen System: This system consists of: a 5,900 gallon liquid nitrogen tank and a continuous supply of liquid nitrogen connected to piping leading into the ZPSL. C.2.1.2 Gaseous Nitrogen System: This system consists of: An 11,000 gallon liquid nitrogen tank, a gas vaporizer and a continuous supply of liquid nitrogen connected to nitrogen delivery piping within the ZPSL. C.2.1.2.1 Quantities: The contractor shall ensure that both the ultra-high purity and general purity gas streams shall be capable of providing a minimum of 100 SCFM (standard cubic feet per minute) at 100 psig continuous flow rate at the connection to the ZPSL piping after the filter skids. C.2.1.3 Tank Connections: The contractor shall maintain the triaxial (i.e., vacuum jacketed) connecting line between the two liquid nitrogen tanks suitable for providing uninterrupted flow from the 11,000 gallon tank to the 5,900 gallon tank. The contrac tor shall ensure that the connecting line shall include a manual flow control valve system and a check valve to prevent backfilling the 11,000 gallon tank. C.2.2 The contractor shall respond within 24 hours, 7 days per week, after notification by the ZPSL staff of a system problem and have problems corrected as soon as possible and within 36 hours. C.2.3 The contractor shall provide a reliable method to assure constant supply; a modem (or similar means) to communicate electronically with the nitrogen tanks Teleflo (or equivalent) electronic liquid level detection/monitoring system is highly recommen ded. C.2.4 The contractor shall supply uninterrupted liquid and gaseous nitrogen service and maintain all LGN2 equipment for one twenty month period and four one year options. C.3 Detailed Specifications C.3.1 LIQUID NITROGEN SYSTEM C.3.1.1 The contractor shall inspect, operate, maintain and certify as necessary for operation and use the GFP 5,900 gallon liquid nitrogen tank located on the ZPSL concrete nitrogen systems pad. The capacity of the refurbished liquid nitrogen tank is ap proximately 5,900 gallons with a pressure rating of at least 200 pounds per square inch (psi) and with a design flow of at least 1 liter per minute. C.3.1.2 The contractor shall inspect, operate, maintain and certify all necessary equipment and associated plumbing in order to mate the GFP tank with the liquid nitrogen plumbing entering and exiting the ZPSL. The contractor shall perform installation o f all plumbing and equipment shall be installed without interrupting other services. C.3.1.2.1 The contractor shall fabricate all lines, valves, and external parts shall be fab ricated with 316L electro polished stainless steel. The contractor shall ensure all lines are welded using automatic orbital head welding equipment. C.3.1.2.2 Supply Line: A dedicated nitrogen purged liquid fill hose, housed in a nitrogen funnel locked box, shall be installed by the contractor or utilize existing. C.3.1.2.3 Discharge Line: A vacuum jacketed LN2 tank discharge line made of 316L stainless steel is terminated with a one inch pipe thread connection. The contractor shall install a shut-off valve shall be located immediately prior to the pipe thread term ination. The contractor shall maintain the valve so that it is always operable. C.3.1.2.4 The contractor shall ensure that the tank will have a pressure rating of at least 200 psi and be regulated from 30 to 140 psi and accurate within 10 psi. C.3.1.2.5 The contractor shall ensure that the pressure relief valve on the tank relieves at 150 psi. C.3.1.2.6 The contractor shall equip the liquid nitrogen tank shall be equipped with a remotely operated electronic liquid level detection system/monitor. C.3.2 GASEOUS NITROGEN SYSTEM C.3.2.1The contractor shall inspect, operate, maintain and certify: C.3.2.1.1 A liquid nitrogen tank with a capacity of 11,000 gallons on the ZPSL concrete nitrogen systems pad. The tank has an inner liner constructed of 304 stainless steel with external triaxial tubing to be 316L electro polished stainless steel. C.3.2.1.2 A continuous service ambient air vaporizer system on the ZPSL concrete nitrogen systems pad designed for 100 SCFM nitrogen flow. C.3.2.1.3 All tubing shall be per Specification Section 15368 for general purity nitrogen and Specification Section 15369 for ultra high purity nitrogen. The contractor shall provide all interconnecting piping and valves from the vessel to the vaporizer and from the vaporizer into the building. C.3.2.2 The contractor shall supply all necessary equipment and associated plumbing in order to fill the tank and mate the tank with the ambient air vaporizer system, the ambient air vaporizer system with the skid mounted equipment; and the skid mounted eq uipment with the gaseous nitrogen delivery plumbing within the ZPSL. The contractor shall fabricate all lines, valves, and external parts shall be fabricated with 316L electro polished stainless steel. The contractor shall weld all lines using automatic o rbital head welding equipment. The contractor shall install all plumbing and equipment shall be installed without interrupting other services. C.3.2.2.1 A dedicated nitrogen purged cryogenic liquid fill hose, housed in a nitrogen funnel locked box, shall be provided and installed by the contractor or utilize existing. C.3.2.3 The contractor shall ensure that the capacity of the liquid nitrogen tank is 11,000 gallons with a pressure rating of at least 200 pounds per square inch (psi). C.3.2.3.1 The contractor shall ensure that the tank shall have an inner liner constructed of 304 stainless steel. C.3.2.3.2 The contractor shall ensure that the tank shall be regulated from 30 to 140 psi and accurate within 10 psi. C.3.2.3.3 The contractor shall ensure that the pressure relief valve on the tank shall relieve at 150 psi. C.3.2.3.4 The contractor shall maintain the shut off valve is located immediately prior to the pipe thread termination, which shall be maintained so that it is always operable. C.3.2.4 Liquid nitrogen to gaseous nitrogen ambient air vaporizer system C.3.2.4.1 The vaporizer system provides at least 100 standard cubic feet per minute standard cubic feet per minute (SCFM) of ultra high purity and of general purity gaseous nitrogen. C.3.2.4.2 The contractor shall ensure that the general purity and ultra high purity gaseous nitrogen impurity levels shall not exceed those specified in the following table. The contractor shall ensure that all purities are guaranteed and based on actual analysis, not typical analysis. Tab le C.3.2.4.3 Gaseous Nitrogen Purity Types IMPURITY General Purity Limits Ultra High Purity Limits 99.999% 99.9999% (ppm) (ppm) Oxygen (02) 4 1.0 Water (H20) 3.5 1.0 Total Hydrocarbons 0.5 0.5 ppm parts per million C.3.3 DELIVERY OF LIQUID NITROGEN TO THE NITROGEN SYSTEMS PAD: C.3.3.1The contractor shall supply liquid nitrogen to the nitrogen systems pad gaseous nitrogen system tank (i.e., the 11,000 gallon tank) which results in gaseous nitrogen meeting the purity limits defined in table C.3.2.4.2. C.3.3.2 The contractor shall supply standard industrial grade liquid nitrogen to the nitrogen systems pad liquid nitrogen system tank (i.e., the 5,900 gallon tank provided as Government Furnished Property (GFP)). C.3.3.3 The contractor shall monitor usage for the duration of the contract and provide automatic delivery service based on customer usage and the tanks shall be refilled prior to the complete depletion of either tank. C.3.3.4 The contractor shall provide monthly usage reports. The contractor shall ensure that the reports track all past usage in tabular and chart formats with summary tables and charts for each contract period. C.3.4 SYSTEMS OPERATION AND MAINTENANCE: C.3.4.1 The contractor shall perform laboratory analysis of the gaseous system shall be performed by the contractor at least once each year (as options are exercised). The shall include both ultra high purity and general purity gaseous nitrogen. The contr actor shall perform this test at the test ports with results certified in writing. The contractor shall ensure that the impurity concentrations shall not exceed the levels specified in Table C.3.2.4.2. C.3.4.2 The contractor shall supply uninterrupted liquid and gaseous nitrogen service and maintain all associated LGN2 equipment. C.3.4.3 If maintenance of the gaseous and/or liquid nitrogen system(s) require(s) shut-down of the gaseous and/or liquid system(s), the contractor shall provide a trailer/truck of gaseous and/or liquid nitrogen sufficient to ensure uninterrupted nitrogen service, meeting the purity requirements of Table C.3.2.4.2 for gaseous nitrogen to the ZPSL until maintenance is completed. C.3.4.4 The contractor shall maintain all external equipment to the ZPSL to include; the liquid nitrogen tanks, vaporizers, lines, valves, regulators, pneumatics, etc. C.3.5 ESTIMATED REQUIREMENTS C.3.5.1 Estimated liquid nitrogen required is 68,074 CCF monthly or 816,897 CCF annually. C.3.6 PROPOSAL INFORMATION C.3.6.1 Technical History What similar activities has the company been successful at in the past? Please provide corporate performance history to show the proven ability to meet these requirements without interruption. C.3.6.2 Technical Approach How would the company meet these specific requirements? Please provide a thorough description of how the product, delivery and maintenance requirements would be meet. C.3.6.3 Value Added What additional resources or talents can you provide to assure success? Please provide any additional information on improvements, process changes or general modifications that could improve the physical system and/or its operation a nd management. C.3.6.4 Cost What is proposed cost for product (CCF) and system maintenance per contract period? The 2005 product usage quantity of 816,897 CCF will be multiplied by the annual product cost and added to the total maintenance cost for each period and com bined over the life of the contract to create a single cost figure for comparison.
- Place of Performance
- Address: RDECOM Acquisition Center - Adelphi ATTN: AMSSB-ACA, 2800 Powder Mill Road Adelphi MD
- Zip Code: 20783-1197
- Country: US
- Zip Code: 20783-1197
- Record
- SN01083697-W 20060708/060706220927 (fbodaily.com)
- Source
-
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