Attachment_1_-_Performance_Work_Statement_PWS_-_13Sept.2019.docx

PERFORMANCE WORK STATEMENT (PWS)

FOR

Inspection, Recertify and Service for Government Owned Compressed Gas Trailers In Support Of

AFRL/RQ

September 13, 2019

PERFORMANCE WORK STATEMENT

for

DEPARTMENT OF TRANSPORTATION (DOT) REQUIRED COMPRESSED GAS TUBER TRAILER TESTING

1.0 SCOPE

1.1 DOT required compressed gas tuber trailer for inspection, recertifying and service repair for up to twenty two (22) compressed gas tuber trailers

1.2 A five (5) year BPA contract is required for up to twenty two (22) compressed gas trailers to be inspected and re-hydrostatically or acoustically (ultrasonic) recertified as per DOT, Title 49, Code of Federal Regulations (49CFR) Parts 100-199.

1.3 During recertifying process, trailer inspection and any issues that may cause trailer to fail the DOT recertification will need to be repaired to meet DOT regulations.

1.4 Corrosion repair as a result of inspection finding.

1.5 Additional service may result for each trailer equipment in order to keep the equipment in a safe, serviceable and roadworthy condition.

1.6 Air Force Research Laboratory Aerospace Systems Directorate (AFRL/RQ) has three sizes of trailers consisting of four tubes (44K cf), seven tubes (66K cf) and thirty-eight tubes (55K cf).

2.0 BACKGROUND

2.1 This is to be a new BPA in replacement of the current AFRL/RQ contract number FA860117A0024 for the inspection, recertification, corrosion, and service repair for 22 government owned compressed gas trailers.

2.2 The tube trailers are used in support of various AFRL/RQ research and development missions.

2.3 Each trailer is required to be hydrostatically or acoustically (ultrasonic) recertified every 5 years per DOT, 49 CFR, Parts 100-199.

2.4 Note: due to the age of some of the trailer USAF will be replacing a limited number of the trailers that were made in 1959-1961 in the next 5 years. The new trailers will be re-certified as required.

3.0 REQUIREMENTS/DESCRIPTION OF SERVICES

3.1 The Contractor shall be a DOT authorized to recertify and is required to provide proof of DOT Certification,

3.2 Contractor shall hydrostatically, acoustically or ultrasonically test all trailer gas cylinders as per DOT, 49CFR, Parts 100-199.

3.3 Contractor shall provide all supplies, management, tools, equipment, labor, and related ancillary services such as transportation, cylinder recertification, and replacement of faulty gauges, corrosion repair, and inspection of trailer to ensure that assigned equipment is brought to and or maintained to a safe, serviceable and roadworthy condition.

3.4 All work shall be done in accordance with (IAW)

3.4.1 DOT, 49CFR Parts 100-199,

3.4.2 American Society of Mechanical Engineers (ASME) Code for Pressure Piping, B31

3.4.3 Applicable CGA publications including but not limited to C-1,C-6,C-18,C-20,G-4.1, G-10.1,S-1.1,S-1.2,TB-25,V-1

3.4.4 ASTM D-1193-6 Standard Specification for Reagent Water

3.4.5 Mil-PRF-27401G Propellant Pressurizing Agent, Nitrogen dated 7-Aug-13

3.5 A 60 day turn around period starting from the day trailer is received at contractors site is required.

3.5.1 AFRL/RQ reserves the right to require a 30 day turn around without incurring an increase in cost. Contractor will be given a two week notice prior notification.

3.5.2 Trailer transportation shall be the responsibility of the contractor. Contractor will be libel for any damage to the trailer and all additional expenses incurred

3.6 All serviceable trailers SHALL have the following Trailer re-certification requirements:

3.6.2.1 Hydrostatically, acoustically or ultrasonically test all tubes

3.6.2.2 Dry tubes with nitrogen

3.6.2.3 Sand/Grit blast tubes and chassis to remove all rust, scale, grease, oil and clean all external surfaces

3.6.2.10 Replace all front internal safeties

3.6.2.11 Replace shear ring, disc and washer to recondition safeties

3.6.2.12 All fasteners shall be torqued to the recommended spec

3.6.2.13 Nitrogen pressure test all tubes

3.6.2.14 Reinstall vent tubes front and rear

3.6.2.15 Check for moisture and pull vacuum <10.5 PPM on tubes

3.6.2.16 Inspect lighting

3.6.2.17 Dye penetrate inspection of kingpin

3.6.2.18 Remove wheels clean cavity re-lubricate and replace seals

3.6.2.19 Remove, clean, inspect and re-pack wheel bearings

3.6.2.20 Oxygen cleaning and sampling of cylinders and manifold

3.7 Contractor shall perform a thorough inspection of brake system and trailer landing gear assemblies.

3.7.1 Any indication of binding gears when loading or off-loading trailer

3.7.2 Gearbox housing shall be visually inspected for cracks and leaking

3.7.3 Cracks in the landing gear housing welds or visibly bent landing gear

3.7.4 Rust in the gearbox due to lack of grease

3.7.5 Bent or damaged struts bracing the landing gear to the frame

3.7.6 Rusted of corroded landing gear handle or worn handle to gear shaft pin

3.8 Additional optional services shall be performed at the request of AFRL/RQ after inspection of tuber trailer. The Government Purchase Card can be used for payment for these additional optional services, unless over the allowable amount, then a BPA Call will be issued.

3.8.1 Replace anchor pins, lock washer and springs assemblies

3.8.2 Free up cam shaft and slack adjuster on brake assembly

3.8.3 Replace slack adjuster

3.8.4 Replace inner bearing

3.8.5 Replace out bearing

3.8.6 Replace inner bearing racer

3.8.7 Replace wheel studs, nuts and lock nuts

3.8.8 Replace heavy duty spring assemblies

3.8.9 Replace spring hold down clips

3.8.10 Replace running light fixture

3.8.11 Replace running signal fixture

3.8.12 Replace stop light

3.8.13 Replace electric socket connection with seven pin connector

3.8.14 Replace landing gear assembly, including cross and rear braces. Lifting Capacity: 50,000lbs., 100 foot-lbs. Force. Static vertical load capacity: 120,000lbs

3.8.15 Complete removal and disposal of lead-based paint for all 22 trailers assemblies and tubes cylinders and trailer assembly

3.9 For additional findings during inspection or tear down that are not covered by BPA the Contractor shall provide Procuring Contracting Officer (PCO) and AFRL/RQ with a detailed description of problem and include cost estimate to repair. Procuring Contracting Officer (PCO) and AFRL/RQ will review and respond with their decision within 5 business days. A modification to the BPA may be required.

3.10 INSTALLATION OF PRESSURE GAUGE: The Contractor shall furnish and install a pressure gauge with an isolation valve.

3.10.1 The pressure gauge shall be identified per trailer and have a range of no less than 0-3000 psi and no more than 0-4000 psi with a 4” to 5” dial on each manifold.

4.0 MARKING AND TRAILER NAME PLATE

4.1 The trailer shall be re-stenciled on each side and each end with the type of gas contained within the cylinders and shall include placards IAW 49 CFR.

4.2 In addition to the existing name plate, a permanent aluminum, brass, bronze or stainless steel nameplate shall be mounted inside the rear cabinet displaying the following information.

4.2.1 Record of serial numbers of all cylinders.

4.2.2 Each cylinder passing 5/3 times the maximum allowable working pressure test shall be plainly and permanently metal stamped with the month and year of test.

4.2.3 Name of Contractor

4.2.4 Total nominal water volume of trailer

4.2.5 Maximum service pressure

4.2.6 Date of thread and flange inspection

5.0 CONTRACTUAL REQUIREMENTS

5.1 Quality Assurance. The Government will monitor the Contractor’s performance. The Government reserves the right to review services being provided.

5.2 Quality Control. The Contractor is solely responsible for the quality of services provided. The Contractor is also liable for the Contractor employee negligence, and any fraud, waste, or abuse. Re-performance of any work for failure to perform in accordance with the specified requirement shall be completed at the Contractor’s own expense and at no additional cost to the Government.

5.3 Contractor shall record and report the following to AFRL/RQ:

5.3.1 The percentage of permanent expansion versus total expansion of each cylinder for each trailer hydrostatically tested.

5.3.2 The Contractor shall maintain and provide to the Government, records of all inspections and tests performed. The records shall provide evidence that the required inspections and tests have been performed, including part or component identification and inspection or test involved.

5.3.3 The report shall show cylinder serial number, the test data obtained during the test and the results of the test made on each cylinder. Included shall be a statement on Contractors dated letterhead that the assembly, identified by serial number has been visually inspected IAW the Compressed Gas association Publication C-6 and tested and re-certified IAW 49 CFR.

5.4 Place of Performance. Work will be done at contractor facility

5.5 All records, files, documents and work papers provided by the Government or generated in support of this work effort are Government property and shall be marked, maintained, and disposed of per the current AFI standards.

5.6 The Contractor shall coordinate material and facilities availability and schedule with the applicable Government POCs for designated systems.

5.7 The Contractor shall be responsible for safeguarding all Government property.

5.8 All performance and service SHALL be IAW the approved Contract Price List.