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Performing an evaluation to help with internal coating selection for waste drums used for the storage of radioactively contaminated, chlorinated hydrocarbon waste

General Information

Document Type:PRESOL
Posted Date:Jul 26, 2017
Category: Technical Representative Services
Set Aside:N/A

Contracting Office Address

Department of Energy, Idaho National Laboratory (ICP-Idaho Cleanup Contractor), ICP-Idaho Cleanup Contractor, 1955 Freemont Drive, Idaho Falls, Idaho, 83415

Description

General Information Document Type: Expression of Interest Solicitation Number: ICP-MAX-46670 Posted Date: 07/26/2017 Response Date: 08/03/2017 Intent: Respond with your interest in the Statement of Work, and provide your capabilities. Contracting Office Fluor Idaho, LLC, 1580 Sawtelle Street, Idaho Falls, ID 83401 Subject – Idaho Cleanup Project Utility Control System Upgrade Project The solicitation will fall under North American Industry Classification System (NAICS) Code: 541380 (Environmental Testing). The stated size shall be the sole determining factor as to classification (small or large business.) Company Overview Fluor Idaho manages and operates the U.S. Department of Energy’s Idaho Cleanup Project (ICP) located on the Idaho National Laboratory (INL). Fluor Idaho is committed to meeting all of the ICP’s technical and regulatory requirements to safely retrieve, characterize, treat and package nuclear waste for shipment out of Idaho to permanent disposal at the Waste Isolation Pilot Plant in New Mexico. Fluor’s administrative office is located in Idaho Falls, ID. Description Fluor Idaho, a Prime Contractor for the United States Department of Energy (DOE), at the INL, is seeking expressions of interest from qualified companies for performing an evaluation to help with internal coating selection for waste drums used for the storage of radioactively contaminated, chlorinated hydrocarbon waste. This work shall be performed in accordance with the information provided below. 1.1 Introduction The coating evaluation is intended to help with the internal coating selection for waste drums used for the storage of radioactively contaminated, chlorinated hydrocarbon waste. The waste drums are vented due to concerns regarding hydrogen generation within the drums due to radiolysis. Although the venting of the drums alleviates pressure buildup inside the drums, it also allows ingress of moist air and egress of chlorinated hydrocarbons which react to produce an acidic condensate on the drums. Once formed, the acidic condensate corrodes through the drum wall in areas of compromised internal and external coatings. In recent years, the inside of the waste drums has been coated with an epoxy phenolic coating intended to slow down the attack on the inner wall of the storage drum. However, only a thin (0.4 mil) layer of this coating was applied as a short-term fix, resulting in penetration of some drums in about 3.5 years. Consequently, Fluor Idaho is interested in performing a coating evaluation on the current epoxy phenolic coating (both at the 0.4 mil and at a 3-4 mil thickness) along with four other alternative coatings to determine which coating would provide the greatest barrier to internal corrosion of the waste drums. A short timeframe for the evaluation and selection of a more suitable coating does not lend itself to long-term exposure tests with visual assessment of coating performance. Instead, Electrochemical Impedance Spectroscopy (EIS) and other electrochemical techniques are to be used to evaluate coating performance within a 2 to 3 month time frame. EIS is a powerful technique for examining the barrier properties of a coating. It is capable of measuring the degree of solution uptake within a coating and provides reliable information about the penetration of the solution to the metal substrate where corrosion can occur. The barrier properties of a coating (obtained through EIS) have been correlated to long-term coating performance in certain applications. However, many other factors such as surface preparation, adhesion, substrate material, environment, etc. can play an important role in assessing the corrosion protection offered by a coating system. Therefore it is important that the paint panels are prepared following procedures that can be used in the final drum coating process. 1.2 Work Included The evaluation will consist of testing five (5) different coatings (with the current epoxy phenolic coating being tested at two different thicknesses) for a total of six coating sets. The evaluation will consist of Electrochemical Impedance Spectroscopy (EIS) to rank the coatings resistance to breakthrough of the test solution. Once breakthrough has occurred, additional electrochemical techniques will be used to predict corrosion rate under the coating and determine how long it would take to penetrate the 1/16" thick drum wall. Table 1. Paint Coatings to be Tested Manufacturer Coating Thickness Unichem RESCO 908-F (Epoxy Phenolic) 0.4 mils Unichem RESCO 908-F (Epoxy Phenolic) 3.0 mils Unichem RESCO UNIVERSAL LV (Modified Epoxy Phenolic) 3.0 mils Sherwin Williams PWS8-C0016-C50 or; PWS8-C0002-C50 (Polyester Powder Coat) 3.0 mils Matrix Powder Technology 004-100-1 (High Performance Epoxy Powder Coat) 8.0 mils DuPont Tefzel ETFE; 699N-129 Primer Black; 532-6410 ETFE clear top coat (Fluoropolymer Powder Coat) 8.0 mils Note: Each coating is to be tested in triplicate to allow for statistical determination of average drum service life at a 95% confidence level. 1.3 Work Excluded <img alt="" width="2" src="file:///C:/Users/aravgl/AppData/Local/Temp/msohtmlclip1/01/clip_image001.gif" height="439" /> Fifty-four (54) coated panels (nine panels per coating: three for unscored testing, three for scored testing if desired, and three spare panels) approximately 3 inches x 3 inches square and between 0.063 and 0.25 inches thick will be provided for testing. The panels will only be coated on one 3" x 3" side of the panel to allow for an electrical contact on the uncoated side. The coated panels will be procured by Fluor Idaho. However, if it is later determined to be more expedient the laboratory may be asked to provide the coated panels and would be compensated the additional cost of procuring the coated panels. 2. APPLICABLE CODES, PROCEDURES, AND REFERENCES ASTM G3 (latest revision) "Standard Practice for Conventions Applicable to Electrochemical Measurements in Corrosion Testing." This practice covers conventions for reporting and displaying electrochemical corrosion data. Conventions for potential, current density, electrochemical impedance and admittance, as well as conventions for graphical presentation of such data are included. ASTM G102 (latest revision) "Standard Practice for Calculation of Corrosion Rates and Related Information from Electrochemical Measurements.” This practice provides guidance in converting the results of electrochemical measurements to rates of uniform corrosion. Calculation methods for converting corrosion current density values to either mass loss rates or average penetration rates are given for most engineering alloys. In addition, some guidelines for converting polarization resistance values to corrosion rates are provided. 3. FUNCTIONAL REQUIREMENTS Evaluate potential internal drum coatings (see Table 1) to determine which coating would afford the best corrosion protection for the waste drums. The best coating would be selected based on predicted service life of the drum (as determined by time to penetration of the drum wall). The tests will be performed in a simulated, non-radioactive, aqueous solution adjusted to a pH of 2 using hydrochloric acid (see Table 2). The solution will contain chlorinated hydrocarbons as shown in Table 2. The testing will be performed at atmospheric pressure and room temperature. Table 2. Paint Panel Test Solution Chemical Wt% Chloroform 5.9 1,1,1-trichloro ethane 9.7 Carbon Tetrachloride 19.8 Trichloroethylene 20.7 Tetrachloroethylene 9.9 HCI solution (pH=2) 34.0 Total 100.0 The tests are to be completed in a 2 to 3 month time frame using EIS and corrosion potential measurements to determine corrosion rate using Tafel plots or other standard electrochemical techniques that will allow for determination of coated drum service life. The tests are to be performed in triplicate (3 test panels per coating) to allow for statistical determination of average coated drum service life at a 95% confidence level (as determined by how long it takes for the corrosive medium to break through the coating and penetrate the 1/16"drum wall). EIS testing is to be conducted in a Faraday cage to reduce measurement noise. 4. ENVIRONMENTAL, SAFETY, HEALTH, AND QUALITY ASSURANCE REQUIREMENTS Environmental, safety, health, and quality assurance requirements are as follows: 4.1 Environmental Simulated waste shall be disposed of by the Subcontractor in accordance with applicable regulations. 4.2 Safety and Health Work shall be conducted using appropriate personal protection equipment (PPE) in accordance with applicable requirements to protect the workers from harmful chemicals. 4.3 Quality Assurance/Control The Subcontractor will have a documented QA program approved by Flour Idaho. · 5. RESPONSIBILITIES Responsibilities are as follows: The Subcontractor is responsible for procuring and mixing the chemicals to produce the simulated test solution. The composition of the test solution is shown in Table 2. Subcontractor is responsible for obtaining laborat01y facilities, potentiometer, and associated equipment needed to conduct the electrochemical coating tests. Subcontractor is responsible for setting up and running the EIS and corrosion potential measurements to determine corrosion rate using Tafel plots and/or other standard electrochemical techniques that will allow for determination of coated drum service life. The testing will be performed at atmospheric pressure and room temperature. EIS testing is to be conducted in a Faraday cage to reduce measurement noise. Each coating is to be tested in triplicate to allow for statistical determination of average coated drum service life at a 95% confidence level. Contractor (Fluor Idaho) to procure and provide, to the Subcontractor, six coated panel sets with nine coated panels per coating (for a total of 54 coated panels) approximately 3 inches x 3 inches square and between 0.063 and 0.25 inches thick will be provided for testing. The panels will only be coated on one 3" x 3" side of the panel to allow for an electrical contact on the uncoated side. However, if it is later determined to be more expedient, the Subcontractor may be asked to provide the coated panels and would be compensated the additional cost of procuring the coated panels. Subcontractor to test and evaluate potential drum coatings to determine which coating would afford the best corrosion protection for the waste drums, based on predicted service life of the drum before penetration of the drum wall. Subcontractor to produce the final report containing test methodology, summary of experimental results, and an estimate of overall service life of the internally coated drum (as determined by how Jong it takes for the corrosive medium to penetrate the coating and penetrate the 1/16" drum wall). Subcontractor to dispose of the final waste solutions in accordance to applicable laws and regulations. Subcontractor to return coated paint panels to Fluor Idaho. 6. DELIVERABLE SCHEDULE The key deliverables of this project are as follows: Schedule Deliverable 1 to 2 months after award Completion of laboratory tests 2 weeks after completion of laboratory tests Final report containing test methodology, summary of experimental results, and an estimate of the average drum service life for each internally coated drum (as determined by how long it takes for the corrosive medium to break through the coating and penetrate the 1/16” drum wall). 7. ACCEPTANCE The final report is to include documentation proving conformance to the latest revisions of ASTM G3 and ASTM G102. Point of Contact Robin Pettit, Subcontracts Administrator, 208-533-6269, Robin.Pettit@icp.doe.gov

Original Point of Contact

POC Robin Pettit, Phone: 2085336269

Place of Performance

Address:
AMWTP - RWMC, Idaho National Lab, Scoville, Idaho, 83415, United States
83415,
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