Amendment 0003 2014 Work Plan.pdf
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This is a Work Plan for limited munitions and explosives of concern (MEC) surface clearance operations on Nomans Land Island, Chilmark, Massachusetts, prepared under Remedial Action Contract (RAC) No. N62470-13-D-8007, Contract Task Order No. WE05, by Tetra Tech EC, Inc. for the Department of the Navy Naval Facilities Engineering Command.
The work plan establishes procedures to systematically locate, inspect, remove, and destroy all surface and near-surface MEC, material potentially presenting an explosive hazard (MPPEH), and munitions-related debris on the 628-acre island, which was used as a military bombing and gunnery range from 1943 to 1996. The project objective is to reduce exposure risks to U.S. Fish and Wildlife Service personnel, authorized visitors, and potential trespassers. The scope includes clearing approximately 121 grids (13.7 acres) of accessible roadway at an estimated 5 acres per day over 4 days, and 117 grids (49.63 acres) of accessible shoreline at 5 acres per day or 16 grids per day over 12 days. Key project activities encompass mobilization with equipment/personnel transport via roll-on/roll-off vessel or crew boat, vegetation clearance along roads, non-intrusive surface sweeps using metal detectors and visual inspection, marking and collection of discovered munitions, certification/verification of material as MDAS (material documented as safe), demolition operations using blow-in-place procedures where appropriate, and site restoration. The work plan specifies personnel qualifications, quality control procedures compliant with DDESB Technical Paper 18 and HAZWOPER requirements, safety protocols including exclusion zone management and emergency response procedures, environmental and ecological considerations for wildlife refuge protection, and reporting requirements including daily quality control and production reports. The project schedule extends from July 2013 through June 2015, with fieldwork planned for August through October 2014, followed by completion and after-action reporting through September 2015.
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N00101.AR.003013
NAS SOUTH WEYMOUTH
5090.3a
FINAL LIMITED MUNITIONS AND EXPLOSIVES OF CONCERN SURFACE CLEARANCE
WORK PLAN NOMANS LAND ISLAND NAS SOUTH WEYMOUTH MA
08/01/2014
TETRA TECH EC INC
DEPARTMENT OF THE NAVY
NAVAL FACILITIES ENGINEERING COMMAND, ATLANTIC
REMEDIAL ACTION CONTRACT (RAC)
CONTRACT NO. N62470-13-D-8007
CONTRACT TASK ORDER NO. WE05
FINAL
LIMITED MUNITIONS AND EXPLOSIVES OF CONCERN
SURFACE CLEARANCE WORK PLAN
NOMANS LAND ISLAND
CHILMARK, MASSACHUSETTS
August 2014
Prepared for
Department of the Navy Naval Facilities Engineering Command, Midlant
9742 Maryland Avenue Norfolk, VA 23511-3095 and
Base Realignment and Closure
Program Management Office, Northeast 4911 South Broad Street
Philadelphia, PA 19112-1303
Prepared by
Tetra Tech EC, Inc.
5250 Challedon Drive
Virginia Beach, Virginia 23462
Revision Date Prepared By: Approved By: Pages Affected:
0 8/21/14 S. Wilson B. Corbett All
4659-WE05-14-0363
This page intentionally left blank
Limited Munitions and Explosives of Concern Surface Clearance Work Plan Final Contract No. N6270-13-D-8007 August 2014 Contract Task Order No. WE05 – Nomans Land Island, Chilmark, MA
LIMITED MUNITIONS AND EXPLOSIVES OF CONCERN
SURFACE CLEARANCE WORK PLAN
NOMANS LAND ISLAND
Chilmark, Massachusetts
RTN #4-13390
July 2014
Prepared by:
Scot Wilson UXO Technical Lead
Reviewed by:
Brian Corbett TtEC Task Order Manager
Approved by:
Dave Keller UXO Operations Manager
TABLE OF CONTENTS
1.0 INTRODUCTION
1.1 Purpose and Objectives
1.2 MPPEH and MEC
1.3 Regulatory Statute, Phase and Oversight
2.0 SITE CONDITIONS AND BACKGROUND
2.1 Site Description
2.2 History of Munitions Use on Nomans Land Island
2.3 Known or Suspect MEC and MPPEH
2.4 Previous Investigations
3.0 PROJECT MANAGEMENT
3.1 Project Organization and Personnel
3.1.1 Project Manager
3.1.2 Senior UXO Supervisor
3.1.3 UXO Safety Officer
3.1.4 UXO Quality Control Supervisor
3.1.5 UXO Technicians
3.1.6 Field Data Manager
3.1.7 Equipment Operators
3.2 Project Schedule
3.3 Project Communications and Reporting
3.3.1 Progress Reports
3.3.2 Contractor Quality Control Report
3.3.3 Contractor Production Report
3.3.4 Project Completion Report
3.4 Training
3.4.1 UXO Procedural Training
3.4.2 Site-Specific Orientation
4.0 PROJECT EXECUTION
4.1 Kickoff Meeting
4.2 Mobilization
4.3 Safety Considerations
4.4 Status and Monitoring
4.5 Communications
4.6 Site Preparation
4.7 Vegetation Clearance
4.8 Sweep Area Marking and Documentation
4.9 Clearance Progression
4.10 Search Preparation
4.11 Sweep Team Procedures
4.12 Marking and Collecting Procedures
i
4.13 Munitions Processing
4.14 Munitions Recovery
4.15 Certification/Verification Process
4.16 Staging Procedures
5.0 NEUTRALIZING MEC/MPPEH
5.1 Purpose
5.2 Responsibilities
5.3 Disposal Operations
5.4 Explosives Guidance
5.5 Explosive Operations Safety Considerations
5.6 Explosive Disposal Operations
6.0 RANGE OPERATIONS
6.1 Notification of Demolition Operations
6.2 Equipment Requirements
6.3 Activity Hazard Analysis (AHA)
6.4 Emergency Response
6.5 Fire Protection
6.6 Exclusion Zone Protocol
7.0 TRANSPORTATION OF EXPLOSIVES AND INITIATORS
8.0 STORAGE AND ACCOUNTABILITY OF EXPLOSIVES
9.0 ENVIRONMENTAL, ECOLOGICAL, CULTURAL, AND/OR OTHER
CONSIDERATIONS RELATED TO THE MANAGEMENT OF MEC
10.0 QUALITY CONTROL PROCEDURES
10.1 Quality Documentation
10.2 Personnel Qualifications
10.3 Quality Control Implementation
10.4 Quality Assurance Implementation
11.0 RECORDS
12.0 REFERENCES
LIST OF FIGURES
Figure 1-1. Site Location Map Figure 3-1. Project Schedule (to be submitted in Final) Figure 4-1. Limited MEC Surface Clearance Plan Figure 9-1. Nomans Land Island Wildlife Refuge Nest/Colony Locations and Rare
Plants Map ii
LIST OF TABLES
Table 3-1. Key Personnel Table 4-1. Kickoff Meeting Participants Table 6-1. Range Operations Equipment Table 10-1. QC Processes
LIST OF APPENDICES
Appendix A Tetra Tech Project Rules Handbook Appendix B Contractor Procedures/Forms Appendix C Grid Sheet Appendix D MDAS Certification Manifests Appendix E UXO Demolition Procedures Standard Operating Procedure Appendix F Seal Watching Guidelines iii iv
ABBREVIATIONS AND ACRONYMS
AHA Activity Hazard Analyses APP Accident Prevention Plan Base Camp base of operations BIP blow-in-place CERCLA Comprehensive Environmental Response, Compensation, and Liability Act CIH Certified Industrial Hygienist CQC Contractor Quality Control CRL Corporate Reference Library CTO Contract Task Order DDESB Department of Defense Explosives Safety Board DMM discarded military munitions DOD Department of Defense EMR electromagnetic radiation EOD Explosive Ordnance Disposal ESRP Explosives Safety Remediation Plan ESS Explosives Safety Submission EZ exclusion zone FCR Field Change Requests GIS Geographic Information System GPS Global Positioning System HAZWOPER Hazardous Waste Operations ID Identification IVS Instrument Verification Strip MassDEP Massachusetts Department of Environmental Protection MCP Massachusetts Contingency Plan MDAH Material Document as Hazardous MDAS material documented as safe MEC munitions and explosives of concern MPPEH material potentially presenting an explosive hazard Navy U.S. Navy
NSWC, IHEODTD
Naval Surface Warfare Center Indian Head, Explosive Ordnance Disposal Technology Division
NAVFAC Naval Facilities Engineering Command NCR Nonconformance Report Operators Equipment Operators PESM Program Environmental and Safety Manager PM Project Manager PPE personal protective equipment v
QA quality assurance QAPP Quality Assurance Project Plan QC quality control QCM Quality Control Manager QCPM Quality Control Program Manager RAC Remedial Action Contract RAM release abatement measure RPM Remedial Project Manager SHSS Site Health and Safety Specialist SOP Standard Operating Procedures SUXOS Senior UXO Supervisor TP Technical Paper TtEC Tetra Tech EC, Inc.
USFWS U.S. Fish and Wildlife Service UXO unexploded ordnance UXOQCS UXO Quality Control Supervisor UXOSO UXO Safety Officer WP Work Plan vi
1.0 INTRODUCTION
The Department of the Navy, Naval Facilities Engineering Command (NAVFAC) Mid-Atlantic Division has contracted with Tetra Tech EC, Inc. (TtEC) to perform a limited surface clearance for munitions and explosives of concern (MEC) on Nomans Land Island (site or island), Chilmark, Massachusetts (see Figure 1-1). This project will be conducted under Remedial Action Contract (RAC) VI No. N62470-13-D-8007 Contract Task Order (CTO) No. WE05.
1.1 Purpose and Objectives
This Limited MEC Surface Clearance Work Plan (WP) provides procedures to systematically locate, inspect, remove and destroy all MEC, material potentially presenting an explosive hazard (MPPEH), and other munitions related debris identified as on the surface of, or protruding from, the surface of Nomans Land Island, as applicable. The objective of this action is to reduce the risk of exposure to MEC to U.S. Fish and Wildlife Service (USFWS) personnel, authorized visitors, and potential trespassers accessing the island.
1.2 MPPEH and MEC
MPPEH (material that, prior to determination of its explosives safety status, potentially contains explosives or munitions [e.g., munitions containers and packaging material; munitions debris remaining after munitions use, demilitarization, or disposal; and range-related debris]; or potentially contains a high enough concentration of explosives such that the material presents an explosive hazard [e.g., equipment, drainage systems, holding tanks, piping, or ventilation ducts that were associated with munitions production, demilitarization or disposal operations) requires a dual inspection process performed IAW DODI 4140.62. The process certifies and verifies MPPEH as either material documented as safe (MDAS) or if the item cannot be certified and verified as MDAS, it will remain MPPEH and stored/treated with the MEC. Once material is determined to be MDAS, it need not be managed as explosive and is, from an explosives safety perspective, acceptable for transfer or release from Department of Defense (DOD) control without specific explosives safety management requirements. Excluded from MPPEH are MEC items (derived from military munitions) in one of two categories, unexploded ordnance (UXO) or discarded military munitions (DMM).
1.3 Regulatory Statute, Phase and Oversight
Response actions at Nomans Land Island are conducted under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and in compliance with the substantive requirements of the Massachusetts Contingency Plan (MCP). The current action is being conducted as a maintenance action to address MEC or MPPEH that may have surfaced since the previous removal actions conducted in 1998, 2003, and 2008, respectively. The Massachusetts Department of Environmental Protection (MassDEP) listed Nomans Land Island as a site in a Notice of Responsibility on September 26, 1997, because of the potential release of hazardous materials due to the historical use of the island as an air-to-surface target range by the DOD. A 1998 surface clearance was conducted pursuant to the MCP in 310 CMR 40.0440, Release Abatement Measure (RAM), and the RAM Plan approved by MassDEP on May 20, 1998.
The Explosives Safety Remediation Plan (ESRP) for Nomans Land Island (Radian International LLC 1997) that was approved by the DOD Explosives Safety Board (DDESB) for the 1998 clearance effort required:
• Explosive Ordnance Disposal (EOD) response if USFWS personnel encountered surface munitions while visiting the island;
• Signage posted around the island warning potential trespassers of the potential dangers;
• Development of educational UXO brochures to be handed out to island visitors; and
• Recurring sweeps of the island approximately every 5 years.
This project is a recurring island sweep in compliance with the ESRP.
2.0 SITE CONDITIONS AND BACKGROUND
With the exception of the easternmost portion of the island, the remaining area on Nomans Land Island is considered to be a munitions response site, because munitions could potentially be present anywhere on the island. Description and background of Nomans Land Island, as well as previous investigations and the MEC/MPPEH risk, are described in this section.
2.1 Site Description
Nomans Land Island is situated off the east coast of the United States, approximately 2.7 miles south of Martha’s Vineyard Island in Massachusetts. The 628-acre island is surrounded on three sides by wave-cut bluffs and narrow beaches, and a gently-sloping sand and pebble beach on the north. East to west, the island is 1.6 miles long, and slightly more than 1.0 mile wide, north to south. The island is heavily vegetated and dominated by rolling hills. Nomans Land Island was transferred from the U.S. Navy (Navy) to the USFWS in July 1998 and was designated an unmanned wildlife refuge. Figure 1-1 provides a site location map of Nomans Land Island that shows its location relative to the Commonwealth of Massachusetts and Martha’s Vineyard Island.
2.2 History of Munitions Use on Nomans Land Island
The U.S. Government used the island as a target range to train pilots between 1943 and 1996.
Prior to 1943, the island was utilized for various purposes, including fishing and game hunting, and at one time a small population of people occupied a small portion of the island. No civilians have lived on the island since 1943. The military has designated the island as Restricted Area R- 4105. Because the island was used as an active military target range, civilians were not permitted to visit the island without a military escort. The Navy began leasing the island in November 1943 for use as a practice bombing site. At the conclusion of World War II, the island contained large numbers of MEC and craters. The Navy retained control of the island and continued training exercises substituting inert dummy munitions for the live munitions used during the war. The
Navy purchased the island in 1952. The island’s use as a bombing and gunnery range continued until May 31, 1996.
2.3 Known or Suspect MEC and MPPEH
Upon completion of a controlled burn to remove the dense vegetation that covered nearly the entire island, a surface clearance was completed by TtEC (formerly Foster Wheeler Environmental) in 1998. The munitions items recovered during that effort included bombs (Old Style 250 lb, Mk 81, 82, and 83), rockets (2.25-inch, 2.75-inch, and 5-inch Zuni), practice bombs, and fuzes. Follow-on surface clearances were also conducted in 2003 and 2008, respectively, with the same general munitions types encountered.
2.4 Previous Investigations
There have been several previous studies to determine the nature and extent of MEC contamination on Nomans Land Island, specifically:
• Nomans Land Island Clearance Post OP Report. 1997. Explosive Ordnance Disposal Mobile Unit TWO Detachment Newport. 22 May.
• Survey Report for the Radiological Screening Survey on Nomans Land Island. 1998.
Inter-Link Group Ltd. and Duke Engineering & Services Environmental Laboratory. July 2.
• Report on Airborne Geophysical Survey of Nomans Land Island, Massachusetts. 2002.
Oak Ridge National Laboratory. March.
• Supplemental Environmental Baseline Survey. 2003. Tetra Tech FW. December 3.
• Release Abatement Measure Completion Report (Ordnance Debris Removal), Nomans
Land Island. 2004. Tetra Tech FW. May 14.
• After Action Report, Nomans Land Island, Chilmark, Massachusetts. 2004. Engineering
Field Activity Northwest, Poulsbo, Washington an Engineering Field Activity Northeast, Philadelphia, Pennsylvania. August.
• Draft Phase IIA Comprehensive Site Assessment, Supplemental Investigation, Risk to the Environment Report. 2004. Tetra Tech FW. September.
• Munitions and Explosives of Concern Surface Clearance Completion Report. 2009. Tetra Tech EC. March.
• After Action Report Munitions and Explosives of Concern Surface Clearance, 2009.
Tetra Tech EC. March.
3.0 PROJECT MANAGEMENT
The project management team will be responsible for all technical and administrative aspects of the limited MEC surface clearance. Included among the team’s responsibilities are the project schedule, staffing, data management, document control, project meetings, and reporting.
3.1 Project Organization and Personnel
The project organization consists of Navy and TtEC personnel who will conduct technical and administrative functions to ensure effective execution of the different tasks. A description of
Contract Task Order No. WE05 – Nomans Land Island, Chilmark, MA these key personnel and their responsibilities are provided below. Table 3-1 provides a list of contact names and telephone numbers for Navy, TtEC, and other key personnel involved in this project.
Table 3-1. Key Personnel
Name Location/Role Telephone Brian Helland Navy/RPM 218-897-4912 Dave Barney Navy/BRAC Coordinator 617-753-4656 Officer-in-Charge Navy EOD Mobile Unit 2, Detachment
Newport 401-832-3301
Stephanie Koch USFWS/PM 978-443-4661 ext. 24 David Crossley TtEC Site/SUXOS 425-241-0480/253-
382-9930 Buster Stancil TtEC Site/UXOQCS/UXOSO 808-203-8862 Brian Corbett TtEC Boston/PM 617-443-7517 David Keller TtEC/UXO Program Environmental and
Safety Manager (PESM) 425-482-7749
Roger Margotto TtEC/Environmental PESM 619-471-3503 Mark Dollar TtEC/UXOQC Lead 970-206-4263 Alan Sherman Tt/Regulatory Specialist 973-630-8420 Tim Carrol Chilmark/Selectman 508-645-2101 Bob Campbell MassDEP/PM 617-292-5732 Senior Chief Barr Menemsha Coast Guard 508-645-2662 Dennis Jason Menemsha Harbormaster 508-645-2846
(summer) 508-645-2100 ext.
Note: TBD – to be determined
The Navy Remedial Project Manager (RPM) for this project is Mr. Brian Helland who is responsible for managing the project, monitoring the budget, maintaining the schedule, coordinating field activities, and ensuring operations conducted on the site are in compliance with regulatory requirements.
The key TtEC personnel involved in the performance of this CTO include the Project Manager (PM), Senior UXO Supervisor (SUXOS), Quality Control (QC) Program Manager (QCPM), UXO Safety Officer (UXOSO)/UXO Quality Control Supervisor (UXOQCS), and UXO Technicians. In addition to these individuals, the project will be supported by a multi-disciplinary team of specialists who will lead or coordinate the various project subtasks, as required, under the direction of the PM.
4659-WE05-14-0363
tel:425.482.7749
3.1.1 Project Manager
The PM will be the main point of contact with the Navy for all project-related matters, and will be responsible for the overall conduct and performance of the project. The TtEC PM will interface directly with the Navy RPM. The PM is primarily responsible for the development and implementation of the Work Plan, which includes coordination among the task leads and support staff, acquisition of engineering or specialized technical support, submitting Field Change Requests (FCR) when necessary and all other aspects of the day-to-day activities associated with the project. The PM identifies staff requirements, directs and monitors project progress, ensures implementation of quality procedures and compliance with applicable codes and regulations, and is responsible for performance within the established budget and schedule.
3.1.2 Senior UXO Supervisor
The SUXOS is responsible for effective execution of the field activities in accordance with the proposed plan and the regulatory requirements. The SUXOS will act as the Site Superintendent.
The SUXOS, with the support of TtEC’s Site Health and Safety Specialist (SHSS), is responsible for the health and safety of field personnel. Other responsibilities include, but are not limited to, project planning; scheduling; site documentation; regulatory compliance; preparing FCRs;
personnel assignments; customer and subcontractor relations; enforcing health and safety rules and Accident Prevention Plan (APP) requirements; and conducting routine safety inspections and incident investigations. The SUXOS reports directly to the PM.
The SUXOS will be directly responsible for all aspects of explosive safety for the project. The SUXOS assists in the development of site-specific work plans, identifies personnel and equipment requirements, and directly supervises all daily activities of the field team. The SUXOS is responsible for the successful performance of the field team, the early detection and identification of potential problem areas, and instituting corrective measures. The SUXOS is also responsible for executing instructions received from the TtEC PM, the Navy RPM, documenting site conditions, photographing UXO identification operations, preparing all project reports, and identifying any effort required to accomplish the scope of work.
3.1.3 UXO Safety Officer
The UXOSO (the same individual will fill the UXOQCS role) is UXO-qualified, and is responsible for implementing the APP, on-site training requirements, and recommending changes to level of personal protective equipment (PPE) to the Certified Industrial Hygienist (CIH) as site conditions warrant. The UXOSO has stop work authority for safety conditions. The UXOSO evaluates and analyzes any potential safety problems, implements safety-related corrective actions, and maintains a daily safety log.
3.1.4 UXO Quality Control Supervisor
The UXOQCS is responsible for overall management of Project QC and reports to the Quality Control Manager (QCM). The UXOQCS will be on site at all times during work activities. The UXOQCS has the authority to stop work on site-related issues affecting the quality of work performed and for directing the correction of all nonconforming work. The UXOQCS will be on site at all times during field activities.
The UXOQCS will be responsible for QC activity related to all MPPEH and MPPEH-related work. The UXOSO will perform the duties of the UXOQCS for this project. The duties of UXOQCS include the following:
• Providing and maintaining an effective QC system for all MPPEH-related field activities;
• Monitoring MPPEH-related QC activities to ensure conformance with the Work Plan, authorized policies, procedures, contract specifications, and sound practices;
• Maintaining sufficient staff to perform all MPPEH-related QC activities to ensure QC for all work phases, work shifts, and work crews;
• Ensuring that the three phases of inspection (preparatory, initial, and follow-up) are implemented for all work related to UXO definable features of work found in the Quality Assurance Project Plan (QAPP);
• Ensuring that all required tests and inspections are performed and results reported;
• Taking responsibility for issuance and enforcement of any Nonconformance Report
(NCR);
• Providing surveillance of MPPEH-related activities;
• Attending required meetings, including the pre-construction conference, all weekly QC meetings, and other scheduled meetings, as required;
• Preparing the daily Contractor Quality Control (CQC) reports;
• Performing reviews of audits and surveillance reports;
• Implementing the Navy technical directives relating to quality; and
• Discontinuing work that is not in compliance with the contract.
The UXOQCS, in conjunction with the SUXOS, will conduct an initial briefing for all project personnel that will include a review of all the plans, the QC goals and processes, and general safety. A part of the briefing will include a functionality check of metal detectors, cameras, and communications equipment, which are the primary instruments that will be used during the course of planned work.
The UXOQCS will conduct periodic quality-related briefings during the morning safety meeting.
Suggested topics include, but are not limited to, results from QC activities such as surveillance, inspections, process improvements, changes to procedures, and approved FCRs.
3.1.5 UXO Technicians
The UXO Technicians will perform on-site duties, including locating and identifying MEC/MPPEH, equipment operation, MEC safety, anomaly avoidance, and escort duties, as required. The UXO Technicians report to the SUXOS. UXO Technicians will be familiar with the work plan and carry out assignments given by the team leader and/or SUXOS. The UXO Technicians will be capable of performing the functions in DDESB Technical Paper (TP) 18.
Non-intrusive MEC search activities will require one four-person team, consisting of a UXO Tech III as the team leader, and additional UXO Technicians that are a combination of UXO Techs I, II, and III, as appropriate. The SUXOS can also assist the sweep team as field conditions allow.
3.1.6 Field Data Manager
One UXO Technician will be responsible for the collection and management of the data generated resulting from project activities. This individual will perform the following activities:
• Lay out survey grid or stakes along the road and shoreline (if applicable);
• Photograph documentation;
• Survey the location of MEC or MPPEH that is encountered with the Field Geographic
Information System (GIS)/Global Positioning System (GPS);
• Collect attribute data (i.e., munitions type, orientation, condition, etc.) with the Field
GIS/GPS; and
• Manage these data.
3.1.7 Equipment Operators
Equipment Operators (Operators) will be familiar with the work plan, carry out assignments given by the SUXOS, team leaders, or UXO Technicians, as appropriate. Using heavy equipment, they will extract partially buried inert practice bombs (by pulling with slings/cables or other), pick up, and move munitions items and debris that have been documented in writing by the SUXOS and UXOSO as MDAS. They will perform daily equipment checks and ensure their equipment is in good working order prior to conducting operations. All slings and lifting equipment will be properly inspected and certified. They will contact the SUXOS when maintenance on their equipment is due.
3.2 Project Schedule
The project schedule is shown in Figure 3-1.
3.3 Project Communications and Reporting
The TtEC PM will work in close communication with the Navy RPM to keep him informed of any technical or administrative issues that may impact the project schedule or budget, and to ensure that all of the Navy’s project requirements are met. Any communication that has the potential to impact the project scope of work, schedule, or budget will be confirmed via written correspondence between the PM and the RPM.
Activity ID Activity Name Original Duration
Activity % Complete
Start Finish
CTO WE05 Nomans Land Island MEC Surface Clearance, Chilmark, MACTO WE05 Nomans Land Island MEC Surface Clearance, Chilmark, MA 574 19-Jul-13A 19-Oct-15
ContractAwardContractAward 0 19-Jul-13A 19-Jul-13A
A1000 ContractAward 0 100% 19-Jul-13A
Period of PerformancePeriod of Performance 489 19-Jul-13A 30-Jun-15
A1010 Period of Performance Start 0 100% 19-Jul-13A
A1020 Period of Performance End 0 0% 30-Jun-15
MilestonesMilestones 315 10-Jul-14A 19-Oct-15
A1530 ESS 0 100% 10-Jul-14A
A1540 Work Plan 0 0% 15-Aug-14
A1550 Fieldwork Start 0 0% 25-Aug-14
A1560 Fieldwork Complete 0 0% 08-Oct-14
A1570 After-Action Report 0 0% 18-Sep-15
A1580 Completion Report 0 0% 18-Sep-15
A1590 CTO Closeout 0 0% 19-Oct-15
Work Element 1 - Project Management andAdministrative SupportWork Element 1 - Project Management andAdministrative Support 488 18-Oct-13A 18-Sep-15
Work Element 2 - PreconstructionActivitiesWork Element 2 - PreconstructionActivities 228 18-Oct-13A 15-Sep-14
Work PlanWork Plan 79 25-Apr-14A 15-Aug-14
A1030 Prepare and Submit Draft Work Plan to Navy 12 100% 25-Apr-14A 24-Jul-14A
A1040 Navy Review of Draft Work Plan 11 0% 25-Jul-14 08-Aug-14
A1050 Respond to Navy Comments on Draft Work Plan 5 0% 11-Aug-14 15-Aug-14
A1090 Submit Final Work Plan to Regulators and Navy 1 0% 15-Aug-14 15-Aug-14
A1420 Approval of Final Work Plan 1 0% 15-Aug-14 15-Aug-14
ESSESS 135 24-Jan-14A 10-Jul-14A
A1430 Submit Draft ESS to NOSSA 1 100% 24-Jan-14A 24-Jan-14A
A1440 NOSSA Review of Draft ESS 26 100% 27-Jan-14A 16-Jun-14A
A1450 Respond to NOSSA Comments on Draft ESS (Rev 2) 5 100% 17-Jun-14A 27-Jun-14A
A1460 Submit Draft Final ESS Plan to NOSSA 1 100% 27-Jun-14A 27-Jun-14A
A1500 Approval of Final ESS 8 100% 30-Jun-14A 10-Jul-14A
Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 2013 2014 2015 2016
ContractAward
Period of Performance Start
Period of Performance End
ESS
Work Plan
Fieldwork Start
Fieldwork Complete
After-Action Report
Completion Report
CTO Closeout
Prepare and Submit Draft Work Plan to Navy
Navy Review of Draft Work Plan
Respond to Navy Comments on Draft Work Plan
Submit Final Work Plan to Regulators and Navy
Approval of Final Work Plan
Submit Draft ESS to NOSSA
NOSSA Review of Draft ESS
Respond to NOSSA Comments on Draft ESS (Rev 2)
Submit Draft Final ESS Plan to NOSSA
Approval of Final ESS
07-Aug-14 CTO WE05 Nomans Land Island MEC Surface Clearance, Chilmark, MA Data Date 25-Jul-14
Primary Baseline
Actual Work
Remaining Work
Critical Remaining Work
Baseline Milestone
Milestone
Attachment 2
Activity % Complete
Start Finish
Project MeetingsProject Meetings 228 18-Oct-13A 15-Sep-14
A1100 Project Meeting 1 1 100% 18-Oct-13A 18-Oct-13A
A1120 TRC Meeting 1 0% 18-Aug-14 18-Aug-14
A1110 Project Meeting 2 1 0% 15-Sep-14 15-Sep-14
Work Element 3 - Mobilization and SetupWork Element 3 - Mobilization and Setup 7 25-Aug-14 03-Sep-14
A1130 Mobilization 1 - Mobilization of Site Equipment/ Materials to Site 7 0% 25-Aug-14 03-Sep-14
A1140 Mobilization 2 - Installation of Temporary Pier/ Float System 7 0% 25-Aug-14 03-Sep-14
A1150 Mobilization 3 - Mobilization of Personnel to MV/ Project Training 7 0% 25-Aug-14 03-Sep-14
A1160 Mobilization 4 - Mobilization of Personnel to Site/ StagingArea Setup 7 0% 25-Aug-14 03-Sep-14
Work Element 4 - Fieldwork - Limited MECSurface ClearanceWork Element 4 - Fieldwork - Limited MECSurface Clearance 17 04-Sep-14 26-Sep-14
A1170 Surface Clearance - Accessible Shoreline 17 0% 04-Sep-14 26-Sep-14
A1180 Surface Clearance -Accessible Roads 4 0% 04-Sep-14 09-Sep-14
A1210 Demolition Operation MMPEH 4 0% 10-Sep-14 15-Sep-14
A1220 MDAS Certification 1 0% 16-Sep-14 16-Sep-14
Work Element 5 -Transportation and Disposal of MEC ScrapWork Element 5 -Transportation and Disposal of MEC Scrap 4 16-Sep-14 19-Sep-14
A1230 Phase 1 - Off SiteTransportation 1 0% 16-Sep-14 16-Sep-14
A1240 Phase 2 - MDAS Processing 2 0% 17-Sep-14 18-Sep-14
A1250 Phase 3 - Transport and Dispose of MDAS 1 0% 19-Sep-14 19-Sep-14
Work Element 6 - Site RestorationWork Element 6 - Site Restoration 6 22-Sep-14 29-Sep-14
A1260 Site Restoration 6 0% 22-Sep-14 29-Sep-14
Work Element 7 - DemobilizationWork Element 7 - Demobilization 7 30-Sep-14 08-Oct-14
A1270 Demobilization 1 - Demobilization of Equipment/ Materials from Site 7 0% 30-Sep-14 08-Oct-14
A1480 Demobilization 2 - Removal of Temporary Pier/ Float System 7 0% 30-Sep-14 08-Oct-14
A1490 Demobilization 3 - Demobilization of Personnel from Site 7 0% 30-Sep-14 08-Oct-14
A1510 Demobilization 4 - Demobilization of Equipment/ Materials from MV 7 0% 30-Sep-14 08-Oct-14
A1520 Demobilization 5 - Demobilization of Personnel from MV 7 0% 30-Sep-14 08-Oct-14
Work Element 8 - Post Construction DeliverablesWork Element 8 - Post Construction Deliverables 82 26-May-15 18-Sep-15
Completion ReportCompletion Report 82 26-May-15 18-Sep-15
Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 2013 2014 2015 2016
Project Meeting 1
TRC Meeting
Project Meeting 2
Mobilization 1 - Mobilization of Site Equipment/ Materials to Site
Mobilization 2 - Installation of Temporary Pier/ Float System
Mobilization 3 - Mobilization of Personnel to MV/ Project Training
Mobilization 4 - Mobilization of Personnel to Site/ StagingArea Setup
Surface Clearance -Accessible Shoreline
Surface Clearance - Accessible Roads
Demolition Operation MMPEH
MDAS Certification
Phase 1 - Off SiteTransportation
Phase 2 - MDAS Processing
Phase 3 - Transport and Dispose of MDAS
Site Restoration
Demobilization 1 - Demobilization of Equipment/ Materials from Site
Demobilization 2 - Removal of Temporary Pier/ Float System
Demobilization 3 - Demobilization of Personnel from Site
Demobilization 4 - Demobilization of Equipment/ Materials from MV
Demobilization 5 - Demobilization of Personnel from MV
07-Aug-14 CTO WE05 Nomans Land Island MEC Surface Clearance, Chilmark, MA Data Date 25-Jul-14
Primary Baseline
Actual Work
Remaining Work
Critical Remaining Work
Baseline Milestone
Milestone
Activity % Complete
Start Finish
A1280 Prepare and Submit Draft Completion Report to Navy 40 0% 26-May-15 21-Jul-15
A1290 Navy Review of Draft Completion Report 10 0% 22-Jul-15 04-Aug-15
A1300 Respond to Navy Comments on Draft Completion Report 5 0% 05-Aug-15 11-Aug-15
A1310 Submit Draft Final Completion Report to Regulators and Navy 1 0% 12-Aug-15 12-Aug-15
A1320 Regulators and Navy to Review Draft Final Completion Report 20 0% 13-Aug-15 10-Sep-15
A1330 Respond to Regulators and Navy Comments on Draft Final Completion Report
5 0% 11-Sep-15 17-Sep-15
A1340 Submit Final Completion Report to Regulators and Navy 1 0% 18-Sep-15 18-Sep-15
After-Action ReportAfter-Action Report 82 26-May-15 18-Sep-15
A1350 Prepare and Submit DraftAfter-Action Report to Navy 40 0% 26-May-15 21-Jul-15
A1360 Navy Review of DraftAfter-Action Report 10 0% 22-Jul-15 04-Aug-15
A1370 Respond to Navy Comments on DraftAfter-Action Report 5 0% 05-Aug-15 11-Aug-15
A1380 Submit Draft FinalAfter-Action Report to Regulators and Navy 1 0% 12-Aug-15 12-Aug-15
A1390 Regulators and Navy to Review Draft FinalAfter-Action Report 20 0% 13-Aug-15 10-Sep-15
A1400 Respond to Regulators and Navy Comments on Draft Final After-Action Report
5 0% 11-Sep-15 17-Sep-15
A1410 Submit FinalAfter-Action Report to Regulators and Navy 1 0% 18-Sep-15 18-Sep-15
Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 2013 2014 2015 2016
Prepare and Submit Draft Completion Report to Navy
Navy Review of Draft Completion Report
Respond to Navy Comments on Draft Completion Report
Submit Draft Final Completion Report to Regulators and Navy
Regulators and Navy to Review Draft Final Completion Report
Respond to Regulators and Navy Comments on Draft Final Completion Report
Submit Final Completion Report to Regulators and Navy
Prepare and Submit DraftAfter-Action Report to Navy
Navy Review of DraftAfter-Action Report
Respond to Navy Comments on DraftAfter-Action Report
Submit Draft FinalAfter-Action Report to Regulators and Navy
Regulators and Navy to Review Draft FinalAfter-Action Report
Respond to Regulators and Navy Comments on Draft FinalAfter-Action Report
Submit FinalAfter-Action Report to Regulators and Navy
07-Aug-14 CTO WE05 Nomans Land Island MEC Surface Clearance, Chilmark, MA Data Date 25-Jul-14
Primary Baseline
Actual Work
Remaining Work
Critical Remaining Work
Baseline Milestone
Milestone
3.3.1 Progress Reports
TtEC will provide monthly progress reports to the Navy for the CTO. These reports will document activities completed during the previous month, activities in progress, and activities scheduled for the upcoming month. Work breakdown structure, cost account, and manpower spread reports will also be included in the monthly progress report. These reports will reveal any actual or potential variances in the project schedule or budget. The monthly progress report will also discuss what actions, if any, will be needed to correct such variations.
3.3.2 Contractor Quality Control Report
The UXOQCS is responsible for the maintenance of current records of QC operations, activities, and tests performed, including the work of subcontractors and suppliers. The records will include factual evidence that required QC activities and tests were performed. The daily QC Report will be completed to document site activities covered by the project QC procedures (Section 10.0) and will include the following (as applicable):
• Record inspection and/or testing performed;
• Identification and location of each defined feature of work and its current phase
(preparatory, initial, follow-up) of completion;
• Results of inspections/testing;
• Location and description of deficiencies;
• Deficiencies corrected as of the date of the report;
• Rework items;
• Deviations from plans, difficulties, and resolution;
• Test and/or control activities performed with results and references to specifications/plan requirements, including the control phase (preparatory, initial, and follow-up) and deficiencies (along with corrective action);
• Material received, with statement as to its acceptability and storage;
• Submittals reviewed with contract reference, by whom, and action taken;
• Number and location of recovered MEC/MPPEH and number of items destroyed; and
• Off-site surveillance activities, including actions taken.
The records will indicate a description of both conforming and nonconforming features covered with a statement that equipment and materials incorporated in the work and workmanship comply with the contract. The daily QC Report attached to the Daily Contractor Production Report will be furnished to the Navy on the first workday following the date covered by the report, except the report need not be submitted for days during which no work is performed. At a minimum, one report will be prepared and submitted for every seven days of no work and on the last day of a no-work period. All calendar days will be accounted for throughout the life of the contract. The first report following a day of no work will summarize work for that day only. The report will be signed and dated by the UXOQCS. The report will include copies of test reports, if applicable.
3.3.3 Contractor Production Report
The Daily Contractor Production Report will be prepared for each day work is performed and will be attached to the Daily QC Report (as applicable) prepared for the same day. The Contractor Production Report will be prepared, signed, and dated by the SUXOS and will contain the following information:
• Contractor and subcontractor and their area of responsibility;
• Location and description of work performed;
• Trades working on the project that day and number of personnel;
• Operating equipment, with hours worked, idle, or down for repair;
• Work performed that day giving location, description, weather conditions, and by whom work was done;
• Any delays encountered;
• Site visitors/purpose;
• Job safety evaluations stating what was checked, results, and instructions or corrective actions;
• A list of instructions given/received and conflicts in plans and/or specifications; and
• Contractor’s verification statement.
3.3.4 Project Completion Report
Upon completion of work activities, TtEC will prepare a Project Completion Report which will include the following:
• Work performed (chronology);
• Summary of MEC/MPPEH encountered;
• Deviations from work plan; and
• Waste documentation.
3.4 Training
All UXO personnel will meet the training requirements established in DDESB TP 18 and will have successfully completed a 40-hour Hazardous Waste Operations (HAZWOPER) training, in accordance with 29 CFR 1910.120, and within the previous 12 months, must have completed an 8-hour HAZWOPER refresher training, as applicable.
3.4.1 UXO Procedural Training
UXO Personnel will have on-site training covering the munitions sweep and recovery procedures (see Section 4.9) that will be used on the island, as well as the explosives, equipment and procedures that will be used to detonate or perforate suspect munitions.
3.4.2 Site-Specific Orientation
All personnel assigned to the project will attend a site-specific orientation. The purpose of this training will be to review site-specific, communications and emergency response procedures.
Course attendance sheets will be used to document completion of each training session. Daily tailgate site briefings covering specific health and safety issues, UXO safety precautions, sweep and recovery procedures used for that day’s operations, and emergency procedures will also be held. A copy of the updated Tetra Tech Project Rules Handbook will be provided to the staff.
Staff will be required to read the entire handbook and document their training and acceptance.
This handbook is included in Appendix A.
4.0 PROJECT EXECUTION
This section describes the specific activities and procedures involved in preparation for, and field implementation of, the planned limited MEC surface clearance activities on Nomans Land Island. The planned activities include pre-inspection preparation, subcontracting and procurement, notifications, a kick-off meeting, mobilization, a surface sweep of the accessible road system and shoreline, the detonation of all suspect MEC and MDEH materials and the removal of all collected debris. Pre-construction preparation and subcontracting and procurement will not be discussed.
4.1 Kickoff Meeting
A kickoff meeting will be held between the Navy and TtEC at least one week prior to the start of the field activities on Nomans Land Island. The following personnel will be requested to attend:
Table 4-1. Kickoff Meeting Participants
NAVFAC TtEC RPM – Brian Helland Program Manager – Carl Tippmann PM – Brian Corbett SUXOS – David Crossley UXOSO/QCS – Buster Stancil
The purpose of this meeting will be to develop a mutual understanding of the limited MEC surface clearance activities, the CQC details including forms to be used, administration of on-site work, and coordination of the surface sweep and exclusion zone (EZ) implementation.
4.2 Mobilization
A list of field personnel with health and safety certifications and site vehicle information (proof of current vehicle registration and insurance) will be collected during mobilization and retained in project files. Upon receipt of appropriate records and authorizations, field personnel and equipment will be mobilized to the island. Equipment mobilization will be accomplished with either a flat bottom boat equipped with a bow ramp (roll-on/roll-off vessel) enabling the safe transfer of personnel and equipment on and off the island or with a barge/boat combination.
Daily personnel transport will be either via this same roll-on/roll-off vessel or via a standard crew boat. If a standard crew boat is utilized, a temporary pier/float will be constructed on the island to provide a means of access. Personnel will embark daily at the pier to transit to the island at 0600 and will depart the island to arrive back at the pier by 1800 each work day. During transit all briefings, debriefings, equipment set up, testing and cleanup will be accomplished in order to expedite the work processes once arriving at the island. End of day reports will be made during the transit to the pier in the evening and sent to the PM as soon as internet connection can be made. If communication allows internet access on the site, these activities may occur during the work day.
4.3 Safety Considerations
Safety is the primary concern during the performance of all activities for the project.
Personnel engaged in these efforts will adhere to the provisions of the APP. Additional safety guidance pertaining to MEC/MPPEH can be found in TtEC procedure UXO-4 (General UXO Safety Precautions), contained in Appendix B, and DOD 4145.26-M, Contractor’s Safety Manual for Ammunition and Explosives (DOD 2008). The UXOSO will brief all site personnel on the Activity Hazard Analyses (AHAs) attached to the APP and the other aforementioned safety documentation at the initial safety/indoctrination briefing and selected safety topics during morning safety tailgate briefings.
4.4 Status and Monitoring
Status of project activities will occur daily with daily QC and progress reports (see Section 3.3) provided to the PM. Monitoring of the field schedule will be based on the tracking of the daily production rate by the SUXOS. It is estimated that the daily surface clearance production rate will be the following:
• Roads: 161 grids (17 acres) 5 acres/day for a total of 4 days.
• Shoreline: 201 grids (58 acres) 5 acres/day or 16 grids/day for a total of 12 days.
It should be noted that only those areas subject to the clearance (i.e. shoreline, road) within these grids will be cleared and not the entire grid. Additional effort will be necessary to address the known 500LB practice bombs that remain in the intertidal zone surrounding the island. These items have been rendered safe in past efforts and have been left in place due to the difficulty of removing them from hard to access areas and within the tidal zone.
4.5 Communications
Hand-held radios and cellular phones will be the primary source of communications between the TtEC sweep team and safety and management personnel. Emergency telephone numbers and the telephone numbers for critical personnel associated with this project will be included in the APP.
A revised list of contact names and telephone numbers will be prepared and distributed to the Navy immediately following site mobilization. Given the recent construction of cellular towers on Martha’s Vineyard, reliable internet connectivity may be possible on the island. An attempt will be made to access the internet for communication and documentation purposes utilizing green (i.e. solar/wind) or small portable generator power. The power supply will also enable communication equipment such as VHF radios and cell phones to be charged throughout the work day.
Electromagnetic radiation (EMR) is produced by hand-held radios and cellular telephones and may cause a detonation hazard with electrically fuzed munitions. EMR precautions will be taken during the inspection activities where MEC with electrical fuzing is encountered. No radios or cellular telephones will be used inside the EZ without prior notification and permission from the SUXOS, except in emergency situations.
4.6 Site Preparation
Upon completion of site mobilization, TtEC will establish the base of operations (base camp) at the location previously utilized during past events. This location is shown on Figure 4-1. Base camp will consist of three 20-foot connex boxes. Outside canopies may also be erected to provide shelter from the sun and in the event of a lightning storm. This area will act as the base of operations for all site activities including field office, meetings, communications, etc.
4.7 Vegetation Clearance
Prior to sweep operations on the accessible road system, vegetation clearance will be necessary.
It is expected that a skid-steer (Bobcat or similar) will be mobilized with a mower deck attachment. The UXO team will sweep the area in front of the machine to ensure no MEC/MPPEH is within its path.
4.8 Sweep Area Marking and Documentation
The accessible road system and shoreline area to be cleared will be subdivided into grids along the road and along the shoreline. The grids will be staked/flagged as a visual reference. The shoreline grids will also include a visual survey for MEC/MPPEH of the exposed bluffs for any protruding items as the team is progressing. These items will be evaluated and removed from the cliff if determined safe to do so.
The areas to be cleared are also located within the grid system historically employed on the island which may aid in providing a means of documenting the locations of items found, if necessary. The island had been divided into 200 x 200 feet (60 x 60 meter) grids with sides running along the north-south and east-west axis. The corners of each grid can be accurately located using the field GIS/GPS (sub-meter accuracy). The grids are shown on Figure 4-1, for reference only, to use for planning and for monitoring the progress of the clearance as related to past events. Grids are named using an alphabetic designation for north-south rows, and numeric designation for east-west rows. As the clearance progresses along the roads and shoreline, utilizing the grid approach the historical grid will also be shown on the Field GIS/GPS System.
This approach will enable the field team to have the ability to record/document the munitions items encountered by both its new Grid Identification (ID) and historical Grid ID (as applicable).
Notes:
1. Metric grid is based on field sketch compiled by Foster Wheeler UXO team and UTM coordinates compiled by GPS methods in June and July, 1998. See CAD file NOMANS09.DWG, entitled "Sampling Locations Plan," Figure 3-1 dated December
1999.
2. Blank grids represent inaccessible areas (i.e.
waterbody, dense brush, etc.).
3. Grid colors are shown at 65% transparency for ease of viewing.
N27 N26
M26
M27
M25
L25
L26 L27
K27 K26
J27 J26
N24 N23
L23 L22
K23
26P
O19
J29
G11
F11 F10
E10
E11
F8
E9
D9
M31
L30
105112
65 70
696763
108109
44 42 40
38 36
161412
37 35
22 20
18 16 12 10
23 21
DRAFT: JULY 21, 2014
Figure 4-1 2014 Limited
MEC Surface Clearance Proposed Plan
Nomans Land Island Chilmark, Massachusetts
0 200 400 600 800 Feet
Future Land Use: Wildlife Refuge Owner: US Fish and Wildlife
Document Path: P:\NavyRac-2282\Nomans-Land-CTO-0033\GIS\Updated MXDs March 2008\MXDs\20140721_2014_UXOClearance.mxd
Central Section Road Grid (200ft)
East Section Road Grid (200ft)
West Section Road Grid (200ft)
Estimated Accessible Shore Area Estimated Accessible Road Accessible Shore Area Sample Grid Road Sample Grid
Approximate Top of Bluff Approximate Low Water Line
Accessible Shoreline: 117 Grids; 49.63 acres Accessible Roadway: 121 Grids; 13.7 acres
Documentation of MEC/MPPEH encountered will also utilize the Field GIS/GPS System. A drop-down menu will be loaded with standard attribute information, such as MEC, MPPEH, grid ID, date, type, condition, on-surface, buried, orientation, disposition, etc. This standardization will aid in keeping track of the munitions related items encountered throughout the field effort, as well as into final disposition. These field data will be downloaded to the field laptop daily and will be backed up in the TtEC Boston office network.
4.9 Clearance Progression
The surface clearance of Nomans Land Island is planned to begin on the road system and then progress to the shoreline as indicated below:
1. accessible road system:
- begin on the Central Roadway (C) and progress north to south;
- continue along the Eastern Roadway (E) and progress east and then north; and
- continue along the Western Roadway (W) and progress west and then south until all roads have been covered.
2. accessible shoreline:
- begin at the northern shore and continuously progress counterclockwise around the shore of the island (the shoreline/bluff from high tide line to top of bluff).
MEC surface clearance activities will not be performed in upland areas, ponds, or other inaccessible areas. Figure 4-1 depicts the grids (accessible roads and shoreline areas ) to be included in the limited MEC surface clearance.
4.10 Search Preparation
The SUXOS will ensure that an instrument-aided visual surface sweep of all staging areas, support zones, work areas, and access roads are conducted prior to using these areas. For coastal areas, sweep teams will conduct clearances from the high-water mark inland, and will search for surface items only. The shoreline sweep will involve walking the shoreline with hand held detectors while also visually scanning the bluff area. An item will be considered to be a surface item if any portion of the item is above the ground surface. All ferrous munitions related items with a maximum dimension greater than 2.0 inches and all nonferrous ordnance components detected visually will be removed.
4.11 Sweep Team Procedures
The Schonstedt Model 52CX ordnance locator (or equivalent) will be used to assist in locating surface objects in areas overgrown with vegetation, such as prior to vegetation clearance of the roadway. No intrusive efforts will be made to remove suspect items entirely below the ground surface.
The SUXOS will assign the sweep team grids (along the accessible roads and shoreline) to search. A map showing all grids with their identification numbers will be used for plotting and recording the status of clearance activities. Team leaders will record all items found in the assigned grids using grid sheets, an example of which can be found in Appendix C.
UXO Technicians will search each grid using standard detector-aided visual surface clearance procedures. All surface MEC/MPPEH will be identified and removed. Because partially buried MEC/MPPEH items will be also be identified and removed, limited manual digging may be required. No effort will be made to remove suspect munitions items that are buried entirely below the ground surface.
The sweep teams will use the line abreast method, removing and recording all metallic objects located. This method involves team members walking side by side, separated by a distance that does not exceed visual…
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