Atch_-_Shock_Tubes_Sources_Sought_for_Revised_Specs.pdf

This notice is not a solicitation. This announcement serves as a sources sought notice for a high pressure shock tube for the United States Air Force Academy (USAFA). This Sources Sought Notice is issued for the purpose of market research in accordance with Federal Acquisition Regulation (FAR) Part 10 for the upcoming acquisition for the USAFA shock tube. All businesses capable of providing a high pressure shock tube are invited to respond. Any information provided by the industry to the Government as a result of this sources sought synopsis is voluntary. The Government will not pay for any information submitted in response to this sources sought synopsis.

10 CONS/ PKC is seeking potential sources with the ability to provide the shock tube. The applicable NAICS Code is 334519. The size standard is 500 employees. The proposed contract is anticipated to be a firm fixed price contract.

U.S. Air Force Academy Shock Tube Specifications; please identify which below specs you are/are not able to provide:

Feature Required Specs Yes/No Separate driver, driven, high-P initiation, Low- P initiation, and test section modules

• Modular construction

• Single diaphragm burst for initiation at high-

Pressure.

• Option of either single or double diaphragm burst at low pressure

• repeatable diaphragm placement

• Low-pressure diaphragms: minimal lost material

• High-pressure diaphragms – no measureable lost material

• no choked flow

Maximum pressure all sections. • ≥ 60𝑎𝑎𝑎𝑎𝑎𝑎, Report Factor of Safety Minimum achievable Driven section pressure, leak-free driven and test section

• 1(10)−6 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇

• leak: 1(10)−3𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇/𝑎𝑎𝑚𝑚𝑚𝑚 @ 2(10)−3𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇

• protection of sensitive PXDs

High accuracy reactant mixing and delivery system

• diagnostic ports, for temperature, pressure, and gas delivery

• reactant mixing tank capacity ≥4 tests at 1atm, 2% reactant

• gas concentrations measurable to within ±0.5%

• T1= 110˚C achievable

Interchangeable instrumentation ports that match interior profile of tube

• Interchangeable instrumentation ports

• Report distance between ports

• Report depth at each port

• Ports accommodate ¾ in (19.05 mm) windows

• 25 spare plugs

Removable end walls at both ends • easy/ fast removal

• allow for driver insert rod

Optical access in test section endwall and sidewalls

• ≤ 20𝑎𝑎𝑎𝑎 from endwall

• 19.05 mm (3/4”) in diameter

• Windows to allow four optical pitch & catch pairs with minimal interference

Tube material and limit reporting: • 304 SS or any material with a higher melting point, burst pressure, and better compatibility with the gasses listed below compatible with

• He at 383K and ≥60atm

• Ar, H2, N2, CO2, CO, NOx, hydrocarbon fuels, and common oxidizers

Sealing materials compatible with all potential gasses and reactants, minimized cost of operation

• lifetime ≥ 100 HP tests

• 500 LP tests

• specify replacement schedule

• same required gas compatibilities as 4.1.9.

Driven and Driver Section L/D. • driven section L/D≥ 70

• driver section length ≥ ½ driven length

Tube Geometry and reporting. • 3.5𝑚𝑚𝑚𝑚 ≤ 𝐷𝐷 ≤ 4.5𝑚𝑚𝑚𝑚

• constant tube diameter ±0.05in at ends

• report method of tube machining

• report variation of tube diameter

• Tube straightness ≤0.5in over 10ft distance,

• Mechanically polish surface, then electropolish

• report the final surface roughness.

Mating Surfaces in Driven and Test Sections. • discontinuity <0.01in Predictable and repeatable test conditions (State 5)

• P1 controllable ±0.5 𝑎𝑎𝑇𝑇𝑇𝑇𝑇𝑇, measurable to ±0.02 𝑎𝑎𝑇𝑇𝑇𝑇𝑇𝑇 accuracy

• temp zones controllable to ±2𝐾𝐾

• total T1 and T4 Var ≤ ±10𝐾𝐾

• provide tools for parameter adjustment

• repeatable diaphragm installation

Safety mechanisms to prevent accidental initiation

• status indicators

• prevent accidental initiation

Support structure allowing separation of any two sections:

• changing diaphragms & cleaning tube easy and straightforward

Rapid test turn-around time • < 1 hr turn-around for 𝑃𝑃1 ≤ 2(10)−3𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 Bottle rack co-located with CST • two 6K He co-located and moveable on y-axis with driver section

• three 300-sized gas bottles co-located with driven section inertial mass to minimize shock-induced vibration in assembly

• 2.5 ton inertial mass

Instrumentation

• combination of physical and virtual control instrumentation, remote control and monitoring for:

• evacuating/ filling CST evacuating/ filling reactant mixing tank,

• heating CST and reactant mixing tank

• initiating a shock.

instrumentation and data acquisition for:

• tube initial conditions

• mach #

• reaction initial conditions

• ignition delay

Exhaust to building exterior • air tight mate to existing exhaust pipe

• active pumping of exhaust

Optical diagnostics for fuel sensing • lasers and detectors

• support systems for the lasers and detectors

• applicable optics, alignment, accessories

• wave meter

• integration of control and diagnostics

Administrative Design Requirements • Vendor is responsible for design, manufacture, subcontracting, and installation

• Vendor shall provide the burst diaphragms required for validation testing.

• vendor will submit monthly progress reports

• install along west wall of Engine Test Cell #1

(ETC#1). See Appendix A

• Components must fit through a 95in x 95in overhead door.

• Support structure must account for a 5 ½ in step up in the test cell floor.

• Initiation, monitoring and control of the tube must be achieved from the control room

Detailed engineering schematics • industry-accepted format Tube performance data • Theoretical data submitted before installation

• Test report with experimental data before final site acceptance

Operating instructions:

• Operations manuals

• Safety considerations & mitigations

• In-house demonstration

• Emergency procedures

• Safety markings on tube

Maintenance schedule • Replacement plan for life-limited parts

• Part number & manufacturer listings

• List of tools required for maintenance

Documentation Formats • Hardcopy installation and assembly drawings

• Digital drawings in pdf format and CAD format compatible with Solidworks

Factory Acceptance

• Complete acceptance plan for approval at final acceptance.

Installation & Site Acceptance • Provide an installation and site acceptance plan

• Cooperate and coordinate with USAFA and other vendors

• Area of work restricted to ETC#1 and associated control room.

• Working hours between 7:30 AM and 4:30 PM, no work on weekends or federal holidays.

• Permission to work at times other than those specified shall be obtained from the Contracting Officer at least 5 working days in advance.

• Vendor shall provide all transportation for personnel & equipment

• Parking of vendor's vehicles restricted to designated spaces

• Vendor shall use reasonable required amounts of electricity and water from existing USAFA outlets without charge.

• Installation practices shall comply with

OSHA 19.10 & OSHA 19.26

Schedule

• Work shall be completed no later than 540 days after award

• On-site installation shall last no longer than a cumulative time of 12 calendar months

Warranty

• Minimum of one year from the date of final acceptance

Training

• Propose a training plan at the time of quote

• Submit final training plan before delivery

• Provide training sessions

Separate driver, driven, high-P initiation, Low- P initiation, and test section modules

• Modular construction

• Single diaphragm burst for initiation at high-

Pressure.

• Option of either single or double diaphragm burst at low pressure

• repeatable diaphragm placement

• Low-pressure diaphragms: minimal lost material

• High-pressure diaphragms – no measureable lost material

• no choked flow

Maximum pressure all sections. • ≥ 60𝑎𝑎𝑎𝑎𝑎𝑎, Report Factor of Safety Minimum achievable Driven section pressure, leak-free driven and test section

• 1(10)−6 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇

• leak: 1(10)−3𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇/𝑎𝑎𝑚𝑚𝑚𝑚 @ 2(10)−3𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇

• protection of sensitive PXDs

High accuracy reactant mixing and delivery system

• diagnostic ports, for temperature, pressure, and gas delivery

• reactant mixing tank capacity ≥4 tests at 1atm, 2% reactant

• gas concentrations measurable to within ±0.5%

• T1= 110˚C achievable

Interchangeable instrumentation ports that match interior profile of tube

• Interchangeable instrumentation ports

• Report distance between ports

• Report depth at each port

• Ports accommodate ¾ in (19.05 mm) windows

• 25 spare plugs

Removable end walls at both ends • easy/ fast removal

• allow for driver insert rod

Optical access in test section endwall and sidewalls

• ≤ 20𝑎𝑎𝑎𝑎 from endwall

• 19.05 mm (3/4”) in diameter

• Windows to allow four optical pitch & catch pairs with minimal interference

Tube material and limit reporting: • 304 SS or any material with a higher melting point, burst pressure, and better compatibility with the gasses listed below compatible with

• He at 383K and ≥60atm

• Ar, H2, N2, CO2, CO, NOx, hydrocarbon fuels, and common oxidizers

Sealing materials compatible with all potential gasses and reactants, minimized cost of operation

• lifetime ≥ 100 HP tests

• 500 LP tests

• specify replacement schedule

• same required gas compatibilities as 4.1.9.

Driven and Driver Section L/D. • driven section L/D≥ 70

• driver section length ≥ ½ driven length

Tube Geometry and reporting. • 3.5𝑚𝑚𝑚𝑚 ≤ 𝐷𝐷 ≤ 4.5𝑚𝑚𝑚𝑚

• constant tube diameter ±0.05in at ends

• report method of tube machining

• report variation of tube diameter

• Tube straightness ≤0.5in over 10ft distance,

• Mechanically polish surface, then electropolish

• report the final surface roughness.

Mating Surfaces in Driven and Test Sections. • discontinuity <0.01in

Quantity: 1 to include operating instructions, maintenance schedule, and at least 1 year warranty

Place of Performance: USAF Academy, CO 80840.

Comments and/or suggestions on the specifications are encouraged and can be included in your capabilities package.

Interested businesses shall provide the following information:

1. Company name, mailing address, cage code, DUNS number, point of contact, telephone number and email address.

2. Business size status in relationship to the small business threshold of 500 employees and socio-economic status, e.g., 8(a), Woman Owned or Service Disabled Veteran-Owned, small business, large business, etc.

3. Answers to the following questions: (include questions below as applicable, otherwise delete. Add any questions specific to the acquisition not included below).

a. Have you ever provided this type of shock tube?

b. Are you a manufacturer or supplier of shock tubes?

c. What is your lead-time for shock tubes?

d. What are your payment/discount terms?

e. Can you secure private financing?

This notice is designed to locate responsible sources that have an interest, and have the ability to supply the items described herein. Responsible vendors who are interested may contact, Ms. Leila Bussey at

719-333-8203 or email leila.bussey@us.af.mil or Mr. Ryan Mavis, Contracting Specialist at 719-333- 8265 or email ryan.mavis.2@us.af.mil by 1 p.m. Mountain Daylight Time, 11 February 2019.

mailto:leila.bussey@us.af.mil mailto:ryan.mavis.2@us.af.mil