SOURCES SOUGHT
41 -- Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
- Notice Date
- 8/28/2013
- Notice Type
- Sources Sought
- NAICS
- 333415
— Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
- Contracting Office
- Department of the Air Force, Air Force Materiel Command, AFLCMC / AFSC / AFNWC - HILL AFB, ., Hill AFB, Utah, 84056, United States
- ZIP Code
- 84056
- Solicitation Number
- FA8204-13-RFIPAC
- Point of Contact
- Bruce James Richeson, Phone: 8017775535
- E-Mail Address
-
bruce.richeson@hill.af.mil
(bruce.richeson@hill.af.mil)
- Small Business Set-Aside
- N/A
- Description
- *Notice: This is a sources sought announcement. No proposals are being requested or accepted with this request. This is not a solicitation for proposals and no contract shall be awarded from this synopsis.* 1. Background 1.1 NOTICE: This is not a solicitation but rather a Sources Sought Synopsis to determine potential sources for information and planning purposes only. 1.2 The purpose of this Sources Sought is to conduct market research to determine if responsible sources exist, to assist in determining if this effort can be competitive and/or a total Small Business Set-Aside. The proposed North American Industry Classification Systems (NAICS) Code is 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing. The Government will use this information to determine the best acquisition strategy for this procurement. The Government is interested in all small businesses to include 8(a) Service-Disabled VeteranOwned, Hubzone, and Women-Owned small business concerns. The government requests that interested parties respond to this notice if applicable and identify your small business status to the identified NAICS code. Additionally, please provide any anticipated teaming arrangements, along with a description of similar services offered to the Government and to commercial customers for the past three years. Any responses involving teaming agreements should delineate between the work that will be accomplished by the prime and the work accomplished by the teaming partners. 1.3 We are flexible with the NAICS code and companies can recommend other codes if they feel a different one would be more applicable. 1.4 The Portable Air Conditioner (PAC) is a self-contained portable unit that will provide conditioned (cooled, heated and dehumidified) air to the Minuteman Transporter-Erector (TE), and Missile Transporter (MT) during storage operations. The PAC consists of the following details: 1.4.2 Environmental Control Unit (ECU), capable of heating and cooling operations. 1.4.3 Automatic and manual controls 1.4.4 Trailer to facilitate transportation. 1.4.5 Ducting to connect the PAC to the TE/MT 1.4.6 Electrical cabling to run the PAC utilizing facility power 1.4.7 An environmental cover to protect the PAC unit from the elements when not in use. 1.4.8 A generator set that will produce power for the Environmental Control Unit (ECU), and when the ECU is not in operation will provide three phase, 208 VAC at 60 Hz. 2. Portable Air Conditioner Technical Requirements 2.1 Performance. While operating in the environment described in paragraph 2.2.3, the air conditioner shall provide the functions described below. All thermal and flow requirements apply at the TE or MT interface. 2.1.1 Controlled temperature and humidity level. The air conditioner shall be capable of supplying air within the temperature of 80 °F ± 20 °F. Moisture level of the air shall not exceed 57 °F dew point (69 grains per pound of dry air at sea level). 2.1.1.1 The unit may produce temperatures outside of the range of 2.1.1 during the transient start-up phase of the unit. The unit shall go from the maximum or minimum operating temperature (2.2.1) to the steady state of 2.1.1 within 20 minutes of operation start-up. 2.1.2 Cooling. In the cooling mode, the unit shall have a minimum sensible cooling capacity of 20,000 BTU/HR. 2.1.3 Heating. In the heating mode, the unit shall have a minimum capacity of 34,000 BTU/HR. 2.1.4 Dehumidifying. The unit shall maintain a moisture level in the supply air as specified in 2.1.1 while experiencing an air leakage of 250 pounds per hour of air containing up to 156 grains of moisture per pound of dry air. 2.1.5 Airflow. The unit shall supply a minimum of 1200 SCFM of conditioned air at a static pressure of one inch of water between the return and supply air interfaces with the Transporter-Erector. 2.1.6 Controls. The air conditioner shall be automatically controlled to provide heating, cooling and dehumidification as required in 2.1.2 thru 2.1.4. Control shall be provided to permit manual override of cooling and heating components, and to monitor conditions of return air temperature and humidity. 2.1.6.1 Main control panel. The main control panel shall have the following functions: a. Indicate by a light labeled clearly that return air temperature is greater than 95°F. b. Indicate by a light labeled clearly that return air temperature is less than 65°F. c. Indicate by a light labeled clearly that the evaporator coil leaving air temperature is greater than the amount corresponding to 57°F dew point. d. Indicate by a light labeled clearly that power is available to operate the air conditioning system. e. Test the circuit continuity of the indicator lights by means of a "TEST" switch located thereon. f. Start and stop the motor-generator unit by means of a "START/STOP" switch/button located on the panel. g. Control the unit heating, cooling, and dehumidifying as required, automatically or manually override it to heat or cool with controls located on the control panel. h. Capability to switch between external (facility) power and self-contained generator power operation. I. The control panel shall be capable of being viewed during operation in the operating environment without needing to open any doors or hatches. 2.1.7 Facility power. The PAC unit shall be capable of running on 208 VAC three phase, 60 Hz, facility power. 2.1.8 Facility power cable - The PAC unit shall be supplied with an facility power cable 30 ft in length with a connector per Figure 3 on one end and mating connector to the PAC unit as required. 2.1.9 Automatic operation. The PAC unit shall automatically adjust temperature and humidity level as required to maintain the requirements of 2.1.1 without manual input. 2.1.10 Service. The air conditioner shall operate at 100% load under its own power for a minimum period of 72 hours, unserviced, while exposed to the operating environments of 2.2 and at 95% load. 2.1.11 Cold weather starting. An electrical start system shall be provided. Electrical heaters (120 VAC, 30 Ampere maximum) shall be used for low temperature starting. Electric heaters shall be wired to a single weather protected external power interface. Unit must demonstrate capability to be cold started after sitting for a minimun time of 3 weeks, and be at the lower temperature limit of 2.2 when cold start is performed. 2.1.12 Refrigeration system. The refrigeration system (coolant) shall be compatible with the both CFR 40 and the Clean Air Act, Title IV at the time of procurement. This includes any/all allowable leak rates that would be environmental concerns. All components of the refrigeration system shall have a minimum of 1.5:1 burst pressure over maximum expected operating pressure. 2.1.13 Generator. The PAC shall have a generator with the following characteristics: 2.1.13.1 The motor shall have a diesel 4 stroke type engine. 2.1.13.2 The power generation unit shall be capable of producing 120/208 VAC, 60 Hz, three phase power. 2.1.13.3 The generator shall have a minimum of one 3 phase 208 VAC 60Hz receptacle, and a single phase 120 VAC 60 Hz receptacle per NFPA 70. 2.1.13.4 The generator shall produce a minimum of 12 KW of electrical power. 2.1.13.5 The generator shall meet all exhaust and other federal environmental regulations. 2.2 Operating environment. 2.2.1The PAC unit will be subjected to the other environments in 2.2 in the following states: 1) Being transported over primary and secondary roads. 2) Running while at rest on an inclined surface not greater than 12°. 3) Stored for long periods of time on a level surface. 2.2.3 Temperature The ambient air temperature will vary from -25°F to +115°F + solar load of 105 watts/ft2. 2.2.4 Pressure. The ambient pressure will be from 11.3 psia to 14.7 psia (7,000 feet to sea level). 2.2.5 Humidity. The ambient humidity is from zero to 100% relative humidity, including condensation for dew point temperatures up to 80°F. At temperatures above 80°F, the maximum relative humidity will correspond to a dew point temperature of 80°F. 2.2.6 Wind. The PAC shall operate within the requirements of 2.1.1 THRU 2.1.5 when subject to wind loads of 40 mph and gusts up to 60 mph. 2.2.7 Rain. The PAC shall operate within the requirements of 2.1.1 THRU 2.1.5 when subject to an instantaneous rain rate of 8 in/hr, and a long term rate of 4 in/hr. 2.2.8 Snow. The withstanding environment is a single storm snow load of 10 lbs/ft (approximately 24 inches). 2.2.9 Hail. The environment consists of frozen water pellets from 0.2 to 2.0 inches in diameter, with density of 0.032 lb/in3 and falling at a maximum speed of 164 ft/s. The maximum instantaneous rate of hail is 4 inches per hour where exposed. 2.2.10 Corrosive atmosphere. The environment consists of 0.017 parts per million by mass of sodium chloride (NaCl), with fallout of 0.57 x 10-3 lb/ft^2 per year. Other corrosive elements are equivalent to up to 80% relative humidity at a temperature of up to 95°F with maximum content of 3.7% NaCl by mass for 15 hours. 2.2.11 Fungus growth. For components developed specifically for this contract fungus resistance materials shall be utilized. Materials shall be selected in accordance with MIL-STD-454 Requirement 4. 2.2.12 Sand and dust. The withstanding environment consists of particles with diameters ranging from 4 x 10-6 to 4 x 10-2 inches, with the majority of the particle diameters ranging from 2.9 x 10-3 to 1 4 X 10-2 inches. The maximum particle concentration is 1.1 x 10-5 lb/ft3 with wind speed of 59 ft/s. In the presence of moving surface vehicles, the particle concentration is 6 X 10-5 lb/ft3 with wind speed of 59 ft/s. Settling particles size range from 4 X 10-6 to 6 X 10-3 inches in diameter. 2.2.13 Ducting. The PAC unit shall be supplied with ducting as follows: 2.2.13.1 The PAC shall be supplied with sufficient ducting to connect between the environmental control unit (ECU) and the TE. 2.2.13.2 The ducting shall have end fittings that interface with the TE as defined in Figure 1. The ducting shall be capable of withstanding the same environments as the PAC unit. The return line shall have sufficient hoop strength to prevent collapse in the case where the return line is blocked off. 2.2.13.3 The ducting shall be insulated as required to ensure the performance requirements of 2.2.1 thru 2.1.5 can be met at the TE interface. 2.2.13.4 The ducting shall be made of a material that is lightweight, can be axially compressed a minimum of 25% of its total length, and can be drug across rough surfaces without tearing. 2.2.13.5 The ductwork must stay connected to both the TE/MT and PAC unit when subjected to the operating environment of 2.2. 2.2.14 Electromagnetic Compatibility/Interference (EMC/EMI). The PAC equipment shall meet the interference control requirements of MIL-STD-461. Specifically, it shall perform in accordance with its performance requirements, without interference, when subjected to electromagnetic environments, as defined by MIL-STD-461. When operating in the configuration for its intended use, the equipment/subsystem emissions shall not exceed the limits defined by MIL-STD-461. 2.2.14.1The PAC shall have a minimum of 20 dB safety margin between the interference it generates and the susceptibility levels of the ordnance to which it will operate in close proximity (based on MIL-STD-461 RE102 AF ground system limits). The measurements and limits of MIL-STD-461 radiated emissions test RE102 for AF ground applications (Figure RE102-4 of MIL-STD-461), shall be extended between 10 kHz and 2 MHz by a straight line on a loglinear plot having a slope of -20 dB μV/m per decade of frequency change (endpoint values of this extension are thus 90 dB μV/m at 10 kHz and 44 dB μV/m at 2 MHz). 2.2.14.2 The PAC shall comply also with the limits of conducted emissions of MIL-STD-461 CE102. 2.3 Physical Characteristics 2.3.1 Size. The air conditioner shall be capable of being towed behind a vehicle over primary roads without any special permits. Federal department of transportation (DOT) regulations in Code of Federal Regulations (CFR), 23 CFR Part 658 apply. The maximum width of the PAC is 102 inches, the maximum height is 10 feet (there is no federal requirement for height), the maximum length is 18 feet (there is no federal maximum length). 2.3.2 Weight. The PAC unit weight shall be less than or equal to the requirements of a Class 4 trailer per SAE J684 (trailer over 5,000 lb and less than 10,000 lb) including all fuel and other fluids. 2.3.3 Towable Design - The towing package shall have the following characteristics: 2.3.3.1 Hitch shall be a ball hitch that meets the requirements of SAE J684 Class 4. 2.3.3.2 Shall meet all DOT regulations for being towed on primary roads. 2.3.3.3 Shall be capable of being towed on primary roads at a minimum of 55 mph. 2.3.3.4 Shall have an environmental cover which can withstand all environments of the PAC unit and is installable by a single person. The cover is to be removable during operation but is to be installed on the unit during transportation and storage. 2.3.3.5 Shall have storage space for the required ductwork, environmental cover, and facility cable. 2.3.3.6 Shall have a minimum of one stabilizing landing gear permanently installed which will level and provide a stable unit when disconnected from the towing vehicle and subject to environments of 2.2. This landing gear shall be retracted/pivoted out of the way during transportation. 2.3.3.7 The tires shall be a tubeless radial design. 2.3.4 Protective coatings. The trailer and system shall have a protective coating to prevent corrosion on all surfaces exposed to moisture. The protective coating on all surfaces that personnel will come into direct contact with shall be none transferable to the personnel. The protective coating shall show no visible signs of corrosion when subjected to salt fog testing per MIL-STD-810G Method 506. 2.3.4.1 The protective coatings must be free of hexavalent Chromium. 2.3.5 The PAC shall have tie down points for transportation over primary roads. The tie down points shall be capable of holding the PAC unit with g loading applied below, and still maintain the requirement of 3.5.8.a: 2.3.5.1 Forward force: 1.6 g 2.3.5.2 Rearward Force: 1.0 g 2.3.5.3 Sideways force: 1.0 g 2.3.5.4 Upward force: 0.4 g 2.3.6 The PAC unit shall be capable of being lifted by a forklift. 2.4 Design and construction 2.4.1 Materials, Processes, Parts and design requirements - All purchased components shall be procured from the original equipment manufacturer or authorized distributor. 2.4.2 Electrical Connections. Connections between wires shall be accomplished by Positive/mechanically-secure means such as crimped conductor splices, connectors, or terminal boards (see SAE AS 5756 for new designs). 2.4.2.1 All electrical wiring, and parts shall meet the requirements of NFPA 70. 2.4.3 Torque required fasteners. Hex-type, external-wrenching heads shall be provided on all machine screws, bolts, and other fasteners requiring more than 10 ft/lbs torque. Threads and threading to be in accordance with (IAW) ASME B1.1. 2.4.4 Welding. Welding shall be accomplished in accordance with AWS D1.1 or other approved equivalent vendor specification. Welders shall be certified to a specification approved by the procuring agency. 2.4.5 Dissimilar materials. Dissimilar materials shall not be used unless they are made compatible by suitable protective finishes. Compatible couples shall be determined in accordance with MIL-STD-889 as applicable. 2.4.6 Structural design. The units shall be designed to withstand the loading imposed by both operating conditions and environmental conditions. 2.4.7 Pressure Vessels. Any/All pressure vessels in the system shall be designed per the ASME boiler and pressure vessel code. The definition of what is a pressure vessel shall also be per the ASME boiler and pressure vessel code. 2.4.8 Factors of safety. The structure shall be designed and analyzed with a minimum factor of safety against yield or ultimate failure (whichever is more critical) consistent with the following: 2.4.8.1 Mobile Transportation Loads (Dynamics): 1.25:1 yield and 1.5:1 ultimate 2.4.8.2 Long Term Static and Maintenance Loads: 1.65:1 yield and 2.0:1 ultimate 2.4.8.3. Hoisting loads. 3:1 yield and 5:1 ultimate. 2.4.8.4 Materials. Materials and material properties for stress determination shall be per MIL-HDBK-5. 2.4.9 The PAC unit shall be supplied with an easily accessible 5 lb minimum ABC fire extinguisher. 2.5 Identification Marking 2.5.1 Product marking and labeling. Parts and assemblies shall be identified in accordance with MIL-STD-130. 2.5.2 Nameplates. Nameplates and product marking shall be in accordance with MIL-STD-130. Nameplates shall comply with A-A-50271. 2.5.3 Each unit shall have an Item Unique Identification (IUID) number IAW MIL-STD-130. 2.6 Reliability 2.6.1 The unit shall have a Mean Time Between Failure (MTBF) of 3,000 hours minimum, when routine maintenance is performed. The unit shall be sustainable for 30,000 hours with organizational and depot maintenance. 2.6.2 The unit shall have lubrication and inspection requirement intervals of 6 months or greater normal use. 2.7 Interested parties should reply to the questions on the following page to better help us in our market research. Questionnaire 1. If you plan to subcontract the manufacturing of the PAC, what percentage will you subcontract? 2. Are you a company that manufactures the base system or are you using another companies' product? 3. If combining another company's technologies with your own, what blend/percentage of the effort is your corporate input? What impacts to the supporting company's technology is anticipated? 4. If you would be providing a unit in current production what is the maturity of design and reliability of the proposed system?. Does your company have experience generating, editing, reviewing, and validating Drawings, Process Orders (PO's), Operating Instructions (OI's), Technical Orders (TO's) and Time Compliance Technical Orders (TCTO's)? Do you have the ability to update this information (e.g. Engineering Orders, Engineering Change Notices, Engineering Change Orders)? 5. If you are an integrator, what benefit is there to having you as the integrator? 6. What is the required maintenance of the product? 7. What is repairable or unrepairable? What is the availability of repair parts? 8. What is the size of the models that you offer? 9. a. If your current model offered is larger than our size limitations, is it scalable? b. Is it adaptable to our application? c. If so, how much development work would be required? 10. Finally, provide any recommendations and/or concerns.   Figure 1 - Minuteman Duct Interface
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