Atch_1,_SOW_-_Cathodic_23_Nov_2016.pdf

Maintain Cathodic Protection Systems

PROJECT NO:

GHLN 17-1014

PREPARED BY:

JEFF EMMEL

MECHANICAL ENGINEER

90 CES/CEM

MISSILE ENGINEERING

F.E. WARREN AIR FORCE BASE, WY

23 November 2016

TABLE OF CONTENTS

SECTION PAGE

1. STATEMENT OF WORK 3

2. CONTRACT PERIOD 3

3. WINTER SUSPENSION 3

4. SCOPE OF WORK 3

5. CONTRACTOR AND AIR FORCE RESPONSIBILITIES 3

6. GENERAL REQUIREMENTS 4

7. SECURITY INFORMATION 6

8. FE WARREN BASE AND MISSILE FIELD ACCESS 6

9. VACATING THE WORK AREA 8

10. DIGGING PERMITS AND EXCAVATION 8

11. SAFETY 8

12. COORDINATION 9

13. ACCESS TO DRAWINGS AND SOILS DATA 9

14. EQUIPMENT FOR RECTIFIERS AND SHUNT BOXES 9

15. MATERIALS FOR DEEP-WELL ANODE BEDS 9

16. INSTALLATION OF DEEP-WELL ANODE BEDS 10

17. TESTING AND DOCUMENTATION 12

18. ABANDONING EXISTING ANODE BEDS 14

19. RESTORE OPERATION 15

20. SUBMITTALS 15

21. STATE DEPARTMENT OF ENVIRONMENTAL QUALITY 16

(DEQ) WATER QUALITY INSTALLATION REQUIREMENTS

1. STATEMENT OF WORK. The contract covered by this Statement of Work consists of furnishing all labor, materials, trenching, boring, excavating, welding, crimping, equipment, appliances, transportation, travel, services, supervision and notifications/inspections required to replace Cathodic Protection Systems installed at Missile Alert Facilities (MAFs) and Launch Facilities (LF) located within the states of Wyoming, Colorado and Nebraska. All sites are under the control of F.E. Warren AFB, Wyoming. At MAFs and LFs, the contractor shall install new anodes and leads in new bore holes and connect them to the existing anode junction boxes and rectifiers. The contractor shall be required to demonstrate adequate Galvanic and Impressed Current System Cathodic Protection for the underground structures associated with each site.

2. CONTRACT PERIOD. Work under this contract shall be completed as specified in each Task Order.

3. WINTER SUSPENSIONS. In the case of the winter season, the contractor will notify the Government of their intent to stop drilling operations due to weather. 90th Civil Engineering Squadron (CES) will validate that the weather no longer allows work to be performed within the specifications. The Task Order(s) will be placed into suspension and the remaining number of Period of Performance (PoP) days will be documented. When the Contracting Officer (CO) determines the suspension is to be lifted, a new completion date will be calculated based on the remaining PoP days for each Task Order that was under suspension.

4. SCOPE OF WORK. This project consists of: 1) Installing Deep-well, Impressed Current Cathodic Protection anode beds (High Silicon Cast Iron). Fox and Golf Flight sites require graphite anodes due to soil conditions. 2) Replace rectifier and shunt boxes as needed. 3) Install new jumper wires as required at #4 AWG to provide electrical continuity for a metallic natural gas line with a plastic valve at the sites listed in section below.

4.1. The installation of these new components shall comply with United Facilities Criteria 3-570-06, Operation and Maintenance: Cathodic Protection Systems, Air Force Instruction 32-1054, Corrosion Control, and the National Fire Protection Association 70, National Electric Code. This project is in accordance with the technical provisions of the contract.

5. CONTRACTOR AND AIR FORCE RESPONSIBILITIES.

5.1. The contractor shall provide the following:

5.1.1. All labor, materials; equipment, registration, permits, insurance, coordination of state inspections and other duties required on the project except that specified as accomplished or provided by the Air Force.

5.2. The Air Force shall accomplish or provide the following:

5.2.1. Access escort/inspector.

5.2.2. Project Statement of Work.

5.2.3. Site and area access security.

5.2.4. Entry Authorization List (EAL) processing.

5.2.5. Record drawings and soils data pertaining to the project.

5.2.6. Original specifications of facilities and components pertaining to the project.

6. GENERAL REQUIREMENTS.

6.1. Project Coordinator: The Project Coordinator is the Contracting Officer (CO) or Contracting Officer Representative (COR).

6.2. Damage to Air Force Property: Damage to Air Force property caused by Contractor vehicles, operations, equipment, or personnel shall be repaired at Contractor's expense with no additional cost to the Government. Skilled craftsman in the trade shall repair damage to areas to the satisfaction of the CO/COR.

6.3. Work Schedule: Verify with the CO/COR that work can be performed as scheduled before traveling to the work site. Provide a minimum of five (5) working days notice, in writing, before beginning work. Provide a means for contact after normal working hours for notification of emergency changes to the schedule. If work is not coordinated as stated, Air Force escort/COR personnel may not be available, work may not be permitted and the Government may not incur any additional cost as a result.

6.4. Hours of Operation: Working hours requiring the presence of an Air Force escort/COR shall occur between the 7:30 a.m. (process onto site) and 4:00 p.m. (terminate work/depart site), excluding Saturdays, Sundays and Federal holidays during which there shall be no work, unless requested, in writing, and approved, in writing, by CO/COR.

6.5. F.E. Warren Air Force Base Communications: The majority of work will be at areas where commercial phone service is not available. The following phone numbers are provided for assistance in conducting on-base telephone communications:

OFFICE COMMERCIAL

Base Operator (307) 773-1110 Visitor Control Center (VCC) (307) 773-3694 Contracting Office (307) 773-3689/3888 Fire Department Tech Services (307) 773-5528 Emergency Reporting on the FEW System 911 (on LF or on Base) 90th Civil Engineering Squadron (CES) (307) 773-2650 90th CES Missile Engineering (307) 2438/2502 90th Missile Wing Safety (307) 773-1842

6.6. Vehicle Identification: Company identification must be conspicuously displayed on each side of all vehicles.

Vehicles without such identification shall be denied access to the site.

6.7. Access Roads: The access road leading from the public road adjacent to an LF is under military control. The area beyond the right of ways of the access road is private property and, in some cases, county or state property. Parking vehicles on the access road is prohibited unless permission has been obtained from the Air Force. Vehicles may be parked in the Air Force access area, but any such parked vehicles must be clear of the boundary fence by a minimum of 8 meters and a minimum of 15 meters from the centerline of the access road. Permission to use additional parking and storage areas must be obtained in writing from the landowner, and a copy must be submitted to the CO/COR prior to use of such areas.

6.8. Contractor vehicles and trailers will be allowed to park inside the security fence only to deliver materials or equipment required to support the work under this contract and shall be searched by Air Force Security Police prior to entry. Vehicles and equipment which is utilized to perform work and which are required to remain overnight may be parked inside the security fence overnight with prior approval. Vehicles and equipment not required to remain overnight to perform work under this contract will be allowed on the site only during work performance and shall not remain parked inside the security fence overnight.

6.9. Contractor vehicles and equipment shall be placed so as not to interfere with gates, emergency escape routes, antenna and other above ground structures.

6.10. Cleanup and Waste Disposal

6.10.1. The work site shall be kept free from debris and waste materials resulting from in-progress work. Cleanup shall be accomplished daily with all unused materials removed from the site and disposed of properly. Cut casing, bags and wrappers shall be disposed of offsite.

6.10.2. The work site shall be returned to a like condition in which it was found prior to start of work and to meet the satisfaction of the CO/COR.

6.10.3. The Contractor shall be held responsible for proper cleanup and disposal of any hazardous or toxic materials spilled while completing the work in this contract. All cleanups shall be done in accordance with applicable Local, State and Federal regulations.

6.11 No ozone depleting substances shall be used while completing the work in this contract.

6.12 Contractor Equipment: Provide all equipment necessary to accomplish the contract work. Power equipment shall be equipped with safety, noise limiting and fume control devices. The equipment shall be in a safe and efficient operating condition. Only experienced operators shall be permitted to operate the equipment. No utilities are available on site.

6.13 Contractor's Work Area: The Contractor's work area shall be returned to smooth contour. The area shall slope to drain and blend into the surrounding area. Sloped areas steeper than four (4) horizontal to one (1) vertical requiring fill shall be stepped or benched and broken up to provide bond. Fill material shall be approved by the government before being placed. Fill material shall be placed in layer not to exceed six (6) inches and compacted to not less than ninety-five (95) percent of maximum density. Any and all portions of the stabilized aggregate base course, which may have been removed, disturbed or otherwise damaged by work under this contract, shall be repaired or replaced. Any paved areas shall be restored to its previous condition.

6.14 As-Builts: The Contractor shall provide as-built drawings indicting the number, depth and location of anode beds, associated tests stations and rectifiers.

7. SECURITY INFORMATION: The Contractor or authorized representative shall comply with pertinent Air Force security regulations while working on the project. Special security clearances such as Confidential, Secret, etc., are not required of the Contractor or Contractor representatives for the performance of this project.

8. F.E WARREN BASE AND MISSILE FIELD ACCESS.

8.1 Base: To request access onto F.E. Warren AFB, the Contractor shall submit a separate letter to the Air Force CO or authorized representative for each employee/sub-contractor employee requiring entry. Each letter shall be on Company letterhead. It shall provide the employee's information as stated on badge template and shall be submitted a minimum of three work days prior to employee arrival.

8.1.1 Upon receipt of this documentation, it is forwarded to Pass and Registration for processing. On the day that access is required, Contractor personnel shall initially report to the Visitor Control Center (VCC), Building 426 (outside the main gate on Randall Ave). All Contractor personnel shall provide a current driver's license or government-issued, photo identification (ID) card to the Air Force Security Forces personnel at the VCC. For those driving vehicles on Base, they shall also provide proof of insurance, and vehicle registration or a rental car agreement. Security Forces personnel will then issue a temporary pass that allows Contractor personnel to proceed to Pass and Registration, Building 290, to obtain badges.

8.1.2 Temporary badges shall be valid for three (3) working days only. To obtain an extended pass, the Contractor shall contact the Air Force CO or authorized representative.

8.2 MAFs/LFs: In order to gain entry into any Missile Field facility, all Contractor personnel must be listed on an Entry Authorization List (EAL). To prepare the EAL, the Contractor shall provide the following information on Company letterhead 20 working days prior to the start of work to the Air Force CO or authorized representative.

8.2.1. Project Number (GHLN 17-1014), Contract Number (FA4613-XX-D-XXXX) and Name of Project (Maintain Cathodic Protection Systems).

8.2.2 Contractor(s) name with complete address and telephone number. Identify each Contractor by function (e.g.

prime contractor, subcontractor, service contractor, etc.).

8.2.3 A list of each employee's name as it appears on two (2) forms of ID that will be submitted for the EAL. This list shall include each employee's Social Security Account Number (SSAN) and whether the employee is a Jr. or a Sr. (if it appears on the employee ID). Nicknames and abbreviations shall not be used. Each employee shall be identified by company title, if applicable. If the names on the IDs do not match exactly, use the longest form for preparation of the

EAL. In other words, if the middle name is spelled out on one ID and an initial is used on another, spell out the middle name for the EAL.

8.2.3.1 IDs shall be in the format of first name, middle initial/name, last name, and suffix (if applicable) only. Any other format shall not be accepted for preparation of the EAL. The two (2) forms of ID referenced in Paragraph 8.2.3 shall also be required for entry onto any Missile Field facility.

8.2.3.1.1 One (1) form of identification shall be a current state or federal ID (i.e. driver's license, military ID, passport, etc.) with a photo and control number. The other shall be a government-issued ID with the individual's SSAN.

If the photo ID includes the SSAN, then another form of ID shall be required (e.g. Company badge, etc.).

8.2.3.1.2 When submitting an employee ID (or other pertinent documents) for the EAL, the Contractor shall provide enlarged, legible (front and back) photo copies, scans or faxes along with the employee information requested in this section. It shall be the Contractor's responsibility to provide accurate and timely information for the EAL. If any information is not complete, current or legible, it shall be excluded from the EAL without notice.

8.2.4 All of the following information for each vehicle: make, model, year, color, license plate number and state.

8.2.5 Once an EAL is prepared, deletions shall be made without having to prepare a new list. However, for any additions or corrections to an existing EAL, the Contractor shall submit all employee information again for a new list.

All requested changes to an approved list shall be submitted by the Contractor to the Air Force CO or authorized representative a minimum of 20 days before any Contractor personnel require access to the facility. If an EAL expires before work under this SOW is completed, a new EAL shall be prepared.

8.3 Upon arrival at a Missile Field facility, Contractor personnel shall park in the authorized area, remain in the vehicle and await the arrival of an authorized Air Force escort official and Air Force Security Forces personnel.

8.3.1 Security Forces personnel shall identify all Contractor personnel prior to accessing a facility. Contractor personnel shall present two (2) EAL-matching forms of identification. In order to enter or exit a Missile Field facility, each ID shall exactly match the information contained on the EAL, and both forms of identification shall comply with Paragraph 8.2.3.1.1. Contractor personnel and vehicles shall also be subject to search by Air Force Security Forces personnel prior to entry and exit of a facility.

8.4 Contractor personnel not listed on the EAL or those who cannot provide proper identification shall not be permitted on a facility.

8.4.1 The Government shall not incur additional costs for any delays caused by lack of proper EAL data or improper identification by the Contractor.

8.5 The Air Force Security Forces personnel shall approve entry onto the facility using standard Air Force procedures and hand over Contractor personnel to an authorized Air Force escort official. Processing in and out of a Missile Field facility shall require about thirty (30) minutes each and shall not be considered a delay in time. Contractor personnel shall be escorted at all times within the perimeter fence of any Missile Field facility.

9. VACATING THE WORK AREA. During exercises, natural disaster, and national emergencies or for security reasons, the Contractor may be required to vacate a work area.

10. DIGGING PERMITS AND EXCAVATION. A Digging Permit is required for all types of excavation, digging and borings, regardless of depth. Make application on a "Base Civil Engineering Work Clearance Request", AF Form 103, through the base Customer Service Section (90 CES/CEOER), Building 322, Ext 3175, at least two (2) weeks before work will begin. Permits must be renewed every thirty (30) days. Only hand digging is permitted within five (5) feet of communication lines.

10.1. WELDING SAFETY REQUIREMENTS: Contact the Fire Prevention Inspector at 773-2931 two (2) days prior to performing any hot work/welding activities. They shall provide any hotwork/welding permits required to complete work.

11. SAFETY

11.1. Comply with all applicable Occupational Safety and Health Administration (OSHA) standards, especially OSHA subpart 1910 for General Industry and OSHA subpart 1926 for Construction. Contractor shall utilize adequate shoring for any and all trench walls / holes excavated LAW OSHA requirements. Any and all trenches/holes shall become a confined space if their operation displaces the oxygen or introduces flammable chemical or gases into the excavated areas.

11.2. Notify the inspector of any emergency situation.

11.3. Educate each employee to ensure clear understanding of the following.

11.3.1. A review of hazards inherent in the work environment and the precautions required to reduce the hazard.

11.3.2. The contractor shall maintain a complete first aid kit at all times.

11.3.3. Location of first aid and other emergency facilities must be identified.

11.3.4. Detailed description of what to do in case of injury, fire or identification of a safety hazard.

11.3.5. Review of daily cleanup procedures. Location and review of company safety rules (either posted or handout).

11.3.6. Safety equipment includes, but is not limited to, ear plugs, goggles, face shields, gloves, safety shoes and hard-hats. Complete instructions on where and how to use all safety equipment shall be given by the Contractor.

Contractor shall provide eye protection, hearing protection, and hard-hats. All personnel shall wear safety equipment when required by the Contractor, CO or Air Force inspector.

12. COORDINATION. The contractor shall coordinate all work in the Missile Field with the Missile Engineering Flight, 90 CES/CEM and/or the Lead Cathodic Protection Technician. All reports, findings and recommendations shall be submitted to the CO and reviewed by Missile Engineering, 90 CES/CEM.

13. ACCESS TO DRAWINGS AND SOILS DATA. Record drawings shall be made available by the Program Flight, 90 CES/CEN and/or by Missile Engineering Flight, 90 CES/CEM. Notify 90 CES/CEM at least 48 hours in advance to request copies of record drawings.

13.1. Soils Data: Existing resistance profiles and drillers logs are available from the Base Corrosion Control Shop and shall be made available upon request to determine optimal anode placement.

13.2. Number of Installation Sites: As stated in the Task Orders.

14. EQUIPMENT FOR RECTIFIERS AND SHUNT BOXES: The contractor shall install one rectifier and shunt box at each site as required. The replaced rectifiers will be returned to the Lead Cathodic Protection Technician, 90

CES/CEM.

14.1. The LF rectifiers are Universal model # ASAI 1816; 115v/230v; 18DCV; 16DCA. The MAF rectifiers are Universal model # ASAI 4830; 115v/230v; 48DCV; 30DCA.

15. MATERIALS FOR DEEP -WELL ANODE BED. The contractor shall use the following materials for deep-well anode beds in the FE Warren AFB Missile Field.

15.1. Vent Pipe: 1" overall diameter 200 psi polyvinylchloride (PVC) with 4 each 1/8" diameter perforations per foot throughout length of coke breeze installation. Perforated portion is to be sleeved in fabric to prevent coke breeze entry.

15.2. Coke Breeze: 3/8" and smaller metallurgical coke breeze having low resistivity and low ash content Minimum 78 percent fixed carbon content. Resistivity 80 ohms/cm3 maximum loose, 1 ohm/cm3 nominal when packed tightly.

15.3. Hole Plug: Wyoming bentonite 1/2" and smaller. Also known as "Enviro-plug".

15.4. Casing: Required to meet respective state environmental compliance requirements. Steel casing, shall extend from the surface to 20 feet below the surface. PVC casing may be used if an approved variance is received from the respective State.

15.5. PVC Cap: Ameter 10” Circular PVC box or equivalent.

15.6. Anodes: High Silicon Chromium Bearing Cast Iron (HSCBCI), 50 pounds, tubular, center- connected 2.6 - 3.5 amps nominal discharge current, 3” Dia x 60”, Anotec # 2660 or equivalent. Eight each for Launch Facilities; 10 each for Missile Alert Facilities.

15.7. Anode Leads: Number 8 Copper High Molecular Weight Polyethylene (BMWPE) of sufficient length to allow splice free installation.

15.8. Steel Core: The anode shall be cast with a galvanized steel core and recessed at one end for lead wire connection.

15.9. Anode Centralizers: Two per anode

16. INSTALLATION OF DEEP-WELL ANODE BED. The contractor shall install the deep-well anode beds in the Missile Field per the Figure 1.

16.1. Drill 8" nominal diameter hole to a depth of 200 feet for LFs and 240 feet for MAFs. Log soil conditions as hole is drilled. Flush with clear water until all cuttings have been removed or as clean as possible considering caving conditions. Water and cuttings may be drained to the adjacent drainage ditch. Do not allow the ditch to become obstructed with material.

16.2. Install PVC vent pipe the depth of the hole.

16.3. Hand-install anodes via anode lead wire. The first anode shall be used to obtain a resistivity profile. Remaining anodes to be spaced to minimize anode bed resistivity based on the resistivity profile data and soil type data.

16.4. Install coke breeze in slurry form. Length of the coke breeze backfill column shall be 100 feet minimum for a LF ground bed to 140 feet minimum for a MAF ground bed depending on anode spacing.

16.5. Install casing in accordance with the State Department of Environmental Quality (DEQ) requirements. The Contractor shall insure all applicable environmental quality rules and regulations are adhered to in the performance of this project. Rules vary from state to state and may change over the performance period of this project.

16.6. Fill the hole from top of coke breeze to approximately 10 feet from top of coke breeze with bentonite plug.

Except in Colorado, fill the hole to within 13 feet of grade with drill cuttings. Fill the hole to within 3 feet with bentonite. Fill remainder of hole with native topsoil. In Colorado, steel casing is required extending from the surface to 20 feet below the surface to meet State of Colorado environmental requirements. Casing to be filled with bentonite hole-plug entire length. Space between outside of casing and bore hole to be filled with grout. The casing may be cut within 3 feet of grade and covered with topsoil.

16.7. Wire Trench Backfilling: All buried wiring shall be installed at a minimum depth of 24-30 inches. The bottom of the finished trench shall be sand or stone-free earth. Care shall be taken when installing wire and backfilling trench so that insulation is not broken, cut, nicked, or bruised.

16.8. Anode leads shall be housed in 3 inch PVC from 3 feet below grade to existing junction box.

16.9. Vent pipe shall be terminated three feet above grade on anode junction box post. There should be a ¼” per 1’ slope back to the anode well.

TYPICAL DEEP-WELL ANODE BED INSTALLATION

Figure 1 No Scale

17. TESTING AND DOCUMENTATION. The Contractor shall document the following Acceptance Test results and measurements and turn-in three copies to the CO/COR.

17.1. Anode Resistance Test: The resistance of each lead wire shall be calculated. The total resistance measured must be equal to or less than the lead wire resistance plus 0.01 ohms. A digital ohmmeter or micrometer may be used with a resolution of plus or minus 0.005 ohms minimum.

17.2. Anode Current Flow: After activation of the Cathodic Protection system and the structure has been allowed to polarize, the current contribution from each anode shall be measured at the anode lead wire junction box. The measurements may be taken using the shunt resistors in the junction box. All voltage and current measurements shall be recorded and submitted to the CO for review by the Base Corrosion Control Engineer.

17.3. Structure to Soil Potentials: A system Acceptance Test will be performed in accordance with the National Association of Cathodic Engineers (NACE) SP0169 of structure to soil potential measurements at the test points shown on Figure 2 and Figure 3. Allow enough time after activation for the structure to polarize before the measurements are taken. The system will be adjusted to achieve the required measurements at all points as described in NACE SP0169.

Any test points that can not be adjusted into compliance or issues with grounding points need to be listed in the test reports and brought to the attention of the Lead Cathodic Protection Technician, 90 CES/CEM.

17.4. Results shall be entered on a missile site Cathodic Protection performance survey form. These forms shall be obtained from the Lead Cathodic Protection Technician identified in Section 12. The Contractor shall submit these forms to the CO or authorized representative for review by the Lead Cathodic Protection Technician.

TYPICAL LF TEST POINT LOCATION

Figure 2

TYPICAL MAF TEST POINT LOCATION

Figure 3 No Scale

18. ABANDONING EXISTING ANODE BEDS: Any void in the existing deep-well anode beds in the Missile Field shall be filled with inert material such as sand, gravel, or drill cuttings. The casing shall be cut 2 feet below ground level, capped and backfilled.

18.1. Existing, depleted distributed anode beds on base shall be abandoned in place when advantageous.

19. RESTORE OPERATION: The contractor shall be required to restore operation of the system upon completion of the installation.

20. SUBMITTALS: For each Task Order, submit material and equipment lists and any shop drawings, certificates, test results, operation instructions, commercial product warranty or guarantee, manufacturer's brochures, catalog cuts, Material Safety Data Sheets (MSDS), parts lists or samples to CO/COR for review and approval in accordance with the requirement of these specifications and the AF Form 66 submittal sheet. Include outlines, dimensional, assembly and subassembly drawings, parts list and other data required to completely describe each item to be used. When more than one model, series or design is illustrated on any one submittal sheet, the item of intended use shall be highlighted and clearly marked with an arrow or asterisk so as to eliminate confusion as to the product to be approved. Any materials and/or methods not in strict conformance with requirements of this contract shall also be submitted for review and approval. Submittals shall be furnished in sets of not less than four legible (4) copies. Each Contractor-supplied item shall be submitted for approval and approved by the CO/COR prior to installation. In no case shall materials be incorporated into the work unless prior written approval is obtained from the CO/COR. All submittal information shall be provided by the Contractor, not less than 15 days prior to any site work or by the date determined by the CO/COR at the pre-construction meeting. One signed and dated copy of the submittal shall be returned to the contractor after approval or disapproval by the CO. Submittals shall not include information on items other than those provided under this contract. Optional or upgrade items and related information shall only be shown in submittals if included or provided to the Government as a portion of this contract. The Contractor shall review and forward all submittals, including sub-contractors submittals, and shall submit in orderly sequence all materials necessary for review. By reviewing and submitting items, the Contractor represents that all measurements, criteria, materials, catalog numbers and similar data have been verified, and each submittal has been coordinated within the requirements of each Task Order.

20.1 Submittal Marking – Submittals shall be marked as follows:

90 CONS/LGCAA

7505 Barnes Loop, Bldg 208 F.E. Warren AFB, WY 82005-2860

(Include the contract number on packaging)

20.2 Shop Drawings: Shop drawings shall be submitted for all items or components to be fabricated or assembled and requiring detail drawings in excess of, or to complement, the general drawings and details included in the plans.

The plans shall be supplemented by shop drawings as necessary to adequately control the work. Shop drawings may consist of drawings, diagrams, MSDS, illustrations, schedules, calculations or other data prepared by the Contractor, subcontractor, manufacturer, supplier or distributor which illustrate specific portions of the work to be fabricated or installed in accordance with the plan details and specifications.

20.3 Any work done prior to approval of shop drawings shall be done at contractor's risk. Approval of shop drawings shall not relieve the Contractor’s obligation to meet all requirements of the plans and specifications, nor relieve the Contractor’s responsibility for the correctness of the shop drawings. If shop drawings are returned for correction, corrections shall be made and the drawings re-submitted for review and comment. All shop drawings submitted shall have a title block clearly stating the project name, project number, Contractor's name, title or purpose drawing, and date.

20.4 Product Data: Manufacturer’s product data for all commercial products, components, devices or distinct units shall be submitted by contractor for review prior to installation in the work. Such product data includes catalog sheets, brochures, MSDS, diagrams, schematics, schedules, performance starts, illustrations and other standard descriptive data.

All product data submitted shall be clearly marked to identify pertinent materials, products or models to be incorporated in the work. All dimensions, clearances, tolerances, performance characteristics, specifications, wiring diagrams and other such pieces of information shall be clearly marked or highlighted. Project name, project number, Contractor’s name and date shall be written on all product data submitted.

20.5 Certificates of Compliance: Manufacturer's certificate of compliance for all materials to be incorporated in the work shall be submitted for review and approval by the CO prior to execution of the work. Said certificates shall certify compliance with project specifications, applicable reference standards or specifications, and test data requirements. Certificates shall be marked with the project name, project number, title or purpose, and date. Certificates shall further contain the name, title and signature of the person certifying the product, and the name and address of the corporation or business supplying the product and certificate.

20.6 Test Results: Submit all test results documenting compliance with project specifications and/or applicable reference standards or specifications to the CO. Tests performed on a material prior to incorporating the material in the work shall be submitted to the CO with the certificate of compliance. Quality control testing performed during the execution of the work shall be submitted upon completion of the test in accordance with these specifications.

21. STATE DEPARTMENT OF ENVIRONMENTAL QUALITY (DEQ) WATER QUALITY

INSTALLATION REQUIREMENTS: The Contractor shall insure all applicable environmental quality rules and regulations are adhered to in the performance of this project. Rules vary from state to state and may change over the performance period of this project.

21.1. Abandoned Deep Anode Beds: Deep anode beds shall be abandoned according to procedures specified in Chapter XI, Part G, Section 70 of Wyoming Water Quality Rules and Regulations. Refer to Section 20 of this Statement of Work.

21.2. Bentonite Seals: In Wyoming and Nebraska, a seal of bentonite or bentonite grout is required from the surface to a minimum depth of 3 feet. A second bentonite or bentonite grout seal is required for a minimum of 3 feet just above the top of the coke breeze. After the bentonite is placed in the hole, it shall be hydrated to ensure a proper seal. The remainder of the hole between these seals may be backfilled with cuttings. Casing is to be filled with bentonite hole-plug entire length. Space between outside of casing and bore hole to be filled with grout. The casing may be out within 3 feet of grade and covered with topsoil. Refer to paragraph 15.7 of this Statement of Work.

21.3. Aquifers: All aquifers encountered while drilling shall be isolated from one another using a bentonite seal of at least 2 feet in vertical dimension. Each separate aquifer penetrated shall require a separate vent pipe. Each aquifer shall remain in hydrologic isolation from each other if they were isolated prior to installation.

21.4. Coke Breeze: Coke breeze shall contain a minimum of leachable metals or organic pollutant. The coke breeze shall not discharge any pollutant which will cause a groundwater standard violation. Refer to Paragraph 15.3 of this Statement of Work.

21.5. Surface Access: Surface access to the anode bed shall be kept sealed and locked at all times when the anode is not actually being serviced.

End of Statement of Work