B.08.02.05_Section_01_10_10,_SOW_-_Two_Bridges_and_Road.pdf

Section 01 10 10: Scope of Work

Q1) Repair Bridge, and Q2) Repair Road and Bridge at Novo Selo Training Area, Bulgaria

August 15, 2019

US Army Corps of Engineers Europe District

Efficiency in Service Understanding Customers Dedicated, Professional Workforce

Q1) Repair White Bridge, and Q2) Repair Yellow Road and Bridge at NSTA, Bulgaria

Table of Contents

1. General

1.1. Project Description

1.2. General Requirements

1.3. Materials and Equipment

1.4. Design Dimensions

1.5. General Design Instructions

1.6. Design Criteria

1.6.1. Design Submittals

1.6.2. Additional Design Submittal Requirements

1.6.3. Design Conferences and Meetings

1.7. Technical Criteria and Standards

1.7.1. Life-Span

1.7.2. Maintainability

1.7.3. Standardization

1.8. Photographic Documentation

1.9. Permits

1.10. Real Property Record

1.11. Additional Host Nation Specific Requirements

1.12. Other Contracts

2. Site Work

2.1. Site Survey

2.2. Geotechnical Investigations

2.3. Hazardous Materials and Contamination

2.4. UXO Clearance

2.5. Utilities – General

2.6. Earthwork - General

2.7. Site Mobilization and Sequencing

2.8. Demolition and Removal

2.9. Site Clearing and Grubbing

2.10. Tree cutting

2.11. Existing Utilities and Relocation

Q1. Repair White Bridge

Q1.1. Civil and Geotechnical

Q1.2. Structural Design

Q1.3. Electrical and Communications

Q1.4. Demolition

Q2. Repair Yellow Road and Bridge

Q2.1. Civil and Geotechnical

Q2.2. Structural Design

Q2.3. Electrical and Communications

Q2.4. Demolition

3. Option Items

3.1. OP1 Demolish the White Bridge Q1

4. Construction Requirements

4.1. Haul Roads

4.2. Excavations

4.3. Contractor Laydown site

4.4. Construction Site Restrictions

4.5. Access Procedures for Contractors

Appendix Appendix A Concept Drawings Appendix B FC 1-300-09N Design Procedures

1. General

1.1. Project Description

This Request for Proposal (RFP) provides parameters for the two following design-build projects at Novo Selo Training Area (NSTA), Bulgaria:

Q1 Design/Construct a concrete bridge: “White Bridge”

Construction includes site clearance, demolition, earthwork, and grading. Concrete work, and drainage.

Q2 Design/Construct a concrete bridge “Yellow Bridge” and a gravel road

Construction includes site clearance, demolition, earthwork, and grading. Concrete work, and drainage.

This scope is to be performed under a design-build method in which this statement of work represents a 30% design. The Contractor is responsible for further developing the design and executing the construction of these projects. Concept plans are provided for reference. Neither of these attachments, nor the described scope, referenced standards, or omitted standards relieve the Contractor from hiring their own designer to evaluate the existing conditions and design the new systems required to meet the performance criteria specified in scope of this contract. The Contractor is responsible for determining the actual sections required for the project.

The Contractor shall be responsible for planning and utilizing the appropriate equipment for executing the scope of work. This includes all general conditions associated with site mobilization, hoisting, scaffolding, etc.

The projects are in support of the European Deterrence Initiative (EDI) program.

Location Novo Selo Training Area (NSTA) is located in the east of Bulgaria.

It is a major Bulgarian military training facility established in 1962, presently used by other NATO nations as well.

Figure 1: Novo Selo Training Area

Figure 2: Q1) White Bridge, and Q2) Yellow Road and Bridge at NSTA, Bulgaria

The planned Q1) White Bridge is located in the very west of the training area at

42.721201° East 26.551285° North

35T MH 63261 29953 UTM.

The Q2) Yellow Road starts at

42.727375° East 26.598670° North

35T MH 67144 30619 UTM.

1.2. General Requirements

The Contractor shall deliver fully functional, turnkey type facilities and all associated work as described in this document. The work includes but is not limited to design, demolition, fabrication, delivery, installation, construction, and site work. The facility and the installed equipment shall be designed as permanent construction in accordance with the Unified Facilities Criteria UFC 1-202-01, Host Nation Facilities in Support of Military Operations.

The Contractor shall provide to the Contracting Officer’s Representative (COR) all design drawings, shop drawings and certificates as well as calculations prior to the beginning of construction. The Contractor shall obtain all Permits necessary for the projects in accordance with FAR 52.236-7, Permits and Responsibilities. A copy of all permits, with English translation, shall be furnished to the COR prior to the start of construction work. The facilities in these projects shall be complete and usable to meet codes and technical and functional requirements per this SOW. All design, calculations, approvals, certificates, fees, labor, material, equipment, direct overhead, indirect overhead, G&A and general conditions to complete these projects as described in the SOW shall be included in the proposal price.

All projects shall be designed and constructed in accordance with current standards and building codes as described in these documents. The Contractor shall provide design and construction using the best blend of cost, construction efficiency, system durability, ease of maintenance and environmental compatibility. Compliance with the provisions of this section by subcontractors shall be the responsibility of the Contractor.

Base access for Contractor employees and sub-contractors is the responsibility of the Contractor including translating documents to English. The Contractor shall coordinate with the Base and follow all Base procedures.

1.3. Materials and Equipment

Any material installed that does not meet the requirements of this RFP shall be removed and replaced with materials that meet RFP requirements at the Contractor’s expense. See Specification 01 33 16 Design after Award for additional information.

Materials and products used, shall be durable, heavy-duty industry standard. The equipment shall be the manufacturer’s standard quality and shall be compatible with all other equipment and materials within the system or assembly. Equipment and materials shall include all connections and accessories necessary to ensure operability and correct installation according to manufacturer’s requirements.

All equipment shall have the manufacturer’s name, address, contact information, type or style, model or serial number, and catalog number on a plate secured to the piece of equipment. Submit Operation and Maintenance (O&M) Data for the provided equipment in accordance with Specification 01 78 23 Operation and Maintenance Data.

All equipment delivered and placed in storage shall be stored with protection from the weather and temperature variation, dirt and dust, and other contaminants. The Contractor shall be responsible for the materials safety and condition while in storage. The government shall not be responsible for damaged or missing equipment.

1.4. Design Dimensions

All design and construction documents shall be developed using the metric system.

1.5. General Design Instructions

The design and product requirements established in this Statement of Work are minimum requisites.

The Contractor is responsible for designing and building a facility that meets all applicable codes and standards and is cost effective. See Specification 01 33 16 Design after Award for additional information. Below are additional project-specific requirements. This RFP scope of work shall govern in case of conflicts between the scope and standard specifications.

Designer of Record shall have "related experience" on projects of the same type and nature as the work identified in this scope of work and be on contracts with the government of the United States of America, either with the US Army Corps of Engineers or Department of Defense agencies. References and experience must be sufficiently detailed to allow for verification of experience. See Specification 01 30 00 General Requirements for additional information.

• Designer of Record shall attend the Contractors Weekly Progress Meeting once per month, at a minimum.

• Upon completion of the designer of record site visit, the designer shall prepare a report that states he has viewed the work and that it is complying with the design; if it is not complying with the design, the designer of record shall bring this to the attention of the QC Manager and the COR.

The designer of record, QCM, and COR shall determine why the work is not proceeding per the design, document their findings, and take appropriate corrective action. The report shall be signed by the designer of record and shall be included in the minutes of the Weekly Meeting for the week the designer visited.

• Designer of Record site visits shall be coordinated with the COR and be in accordance with the quality control phases described in Specification 01 45 00 USACE Quality Control.

1.6. Design Criteria

The facility is to be designed per UFC 1-202-01 Host Nation Facilities in Support of Military Operations. UFC 1-200-01, General Building Requirements, does not apply. All other UFC requirements are considered guidance and best practices and can assist designers in identifying functional requirements of building systems and spaces.

The design shall comply with all applicable Host Nation Codes even if they were not specifically referenced in this document. Established local or regional codes should be utilized when their requirements are more stringent.

Unless otherwise noted, the Contractor shall base his design off the latest versions of the referenced standards and document which versions are being utilized in a design narrative included in the 35% design submission. Note that the latest versions may be newer than those referenced in the design-build request for proposal.

The facility shall be compatible with Host Nation current and applicable design standards and shall comply to the maximum extent possible with applicable US Department of Defense (DOD) and USACE design standards.

The Contractor shall consider applicable US and Host Nation Codes to include but not be limited to the following:

FC 1-300-09N Design Procedures UFC 3-250-01 Pavement Design for Roads and Parking Areas

Uniform Facility Criteria (UFC) documents are available on the internet at:

http://www.wbdg.org/ccb/browse_cat.php?c=4

1.6.1. Design Submittals

The Contractor shall make formal design submittals at 35% for acceptance, 65% for acceptance, and 95% design for acceptance as well as a corrected final 100%. FC 1-300-09N is attached to the SOW as a fundamental design-build guide. It will be used to establish minimum technical requirements of each design submission and is not intended to contradict the SOW. The SOW dictates which design submissions are required. Generally, the design-build contractor’s 35% design submission shall include the minimum requirements of the FC 1-300-09N Design Development Submittal (35% - 50%) in order to be accepted. Preliminary construction submittals such as product data sheets shall be included in the design submittals to facilitate design reviews. Each EDI project shall be treated as a separate design package with its own cover sheet. Thus, the 35%, 65%, 95%, and 100% design shall consist of separate design packages for each project at each submission. Plans and specifications shall not all be combined into one package.

The Contractor shall submit all documents following Specification 01 33 00 Submittal Procedures and Appendix 1 FC 1-300-09N Design Procedures for additional information.

ELECTRONIC FILE FORMAT

In addition to the electronic submittal via two (2) Compact Disc (CD), also provide one (1) hard copy of the submittal. Electronic submittals will also be provided via an electronic file sharing system such as the AMRDEC SAFE Web Application located at the following website:

https://safe.amrdec.army.mil/safe/. Submittals will be logged in as received by the Government when the CDs and hard copies are delivered to the Administering Resident Office.

US Army Corps of Engineers, Attn: Michael Huntanar, PM, Konrad-Adenauer Ring 39, 65187 Wiesbaden

The 35%, 65%, 95% design, each submittal consists of two CDs.

The Corrected final 100% design consists of: 2 CDs, 1 Full size and 2 Half size set, 1 set Binders (English)

The construction schedule shall be provided in accordance with Specification 01 32 01 Project Schedule.

Submittal Register to be developed by the Contractor during the design phase.

1.6.2. Additional Design Submittal Requirements

Sequencing of construction work

The Contractor shall provide a Sequencing Plan with the 95% Design Submittal. The Sequencing Plan must describe the proposed performance of construction. The Sequencing Plan must include a graphical depiction of the sequencing of each work area and mobilization/staging area. The Sequencing Plan is in addition to the requirements of Specification 01 32 01 Project Schedule or Specification 01 32 16 Small Project Progress Schedules.

1.6.3. Design Conferences and Meetings

The Contractor and designated design team shall participate in design review conference at the 35%, 65%, and 95% design submittal. The Design Quality Control Manager must participate. No design review conference shall be required for the 100% corrected final.

It is intended to hold review conferences via teleconference. But Design Reviews shall be coordinated with the USACE Bulgaria Area Office to facilitate participation by Stakeholders and Host Nation Authorities. Comments shall be resolved as described below.

All design review comments shall be logged and managed using ProjNet’s Dr. Checks system which can be accessed at this link: https://www.projnet.org. Please contact Europe District USACE to create accounts and gain access.

The Contractor shall provide meeting minutes for design and construction meetings in English.

The minimum Government review periods shall be IAW Specification 01 33 00 Submittal Procedures.

The Government will provide comments in ProjNet's Dr. Checks system after each design submission.

Upon review of the design submission, the Contractor shall respond by evaluating these comments in Dr. Checks prior to the design review conferences. The Contractor shall provide any necessary corrections to the design with their evaluations and/or shall identify which design submission the issue will be corrected in. Comments will remain open until the issue is resolved. Once resolved, the commenter will back check their comments and close the comment.

1.7. Technical Criteria and Standards

Project design shall be in accordance with the requirements outlined in section 1.6.

The referenced standards in these specifications are incorporated only to the extent that they describe a technical standard to which the Contractor has to perform the work described in the specifications.

Any language that does not describe a technical standard, such as payment procedures, how specifications are to be drafted, are not included in these specifications.

1.7.1. Life-Span

The facility will be designed as permanent construction in accordance with the UFC 1-202-01, Host Nation Facilities in Support of Military Operations.

1.7.2. Maintainability

Low maintenance materials and systems must be employed and shall be appropriate for the project climate and location.

1.7.3. Standardization

The Contractor shall use standardized materials, products, equipment, and systems to minimize the requirements for replacement parts, storage facilities, and service requirements.

1.8. Photographic Documentation

Photographic Documentation shall be in accordance with Specification 01 30 00 General Requirements.

1.9. Permits

Adhere to Specification 00 74 00 Special Conditions.

Prior notice of at least five days shall be given to the COR, showing a permit was obtained in advance, before commencing work on the following work operations:

• Photo permit

• Site clearance

• Demolition

• Welding or metal-cutting work (‘Hot Work’ Permit)

• Work involving contaminated material

• Earthwork (The notice to the COR shall include provision of site drawings indicating the earthwork which will be performed, the schedule of when the work will be performed, and locations of all utilities near the earthwork site. Drawings shall be of sufficient scale to clearly show the proposed work.)

• Tree felling

Prior notice of at least 3 days shall be given to the COR before commencing work on the following work operations:

• Backfilling over installed utility lines

• Video inspection of utility lines

General Requirements Permits The Contractor shall be made aware of the following information as it relates to permitting for this project. Although some items may be “without charge”, the Contractor is responsible for adhering to the requirements of the Host Nation, coordinating with the authorities, determining additional approval requirements, and providing any necessary documentation to facilitate the permitting process IAW with Host Nation requirements. In other words, this list may not be all-inclusive:

a) Consider that there are no requirements nor are there any conventional processes for Contractor to obtain Digging Permits, Hot Work Permits, or SWPPP Permits and such.

b) The Contractor is to obtain relevant approvals for all design solutions from the Host Nation regional Military Infrastructure Management agency.

c) Approvals will be required for features that may influence Emissions, Host Nation Water Quality, Solid Waste Disposal, etc. The approval process will likely require the Contractor to prepare permit documents in Host Nation and English and to turn them over to the Regional Directorate of the Environment.

d) The approval process must take place during design rather than construction.

1.10. Real Property Record

With the 95% Design Submittal the Contractor shall submit an accounting of all installed property with DD Form 1354. Include any additional assets, improvements, and alterations from the Draft DD Form 1354. Contact the Contracting Officer for any project specific information necessary to complete the DD Form 1354. Refer to UFC 1-300-08 for instruction on completing the DD Form 1354. For information purposes, a blank fillable PDF DD Form 1354 may be obtained at the following:

www.esd.whs.mil/Portals/54/Documents/DD/forms/dd/dd1354.pdf

Submit the completed Checklist for DD Form 1354 of Installed Building Equipment items. Attach this list to the updated DD Form 1354.

1.11. Additional Host Nation Specific Requirements

The following information is provided as additional Host Nation requirements and information.

Design work shall include, but is not limited to the following:

• Prepare necessary plans and specifications for proper execution of each project.

• The drawing set shall require “wet” stamps and signatures of the Designer of Record. The Contractor shall submit to the COR four sets of the calculations and drawings. The drawings shall include English with Host Nation translations. The Designer of Record shall be licensed according to Host Nation laws and regulations

• The Contractor shall comply with and provide for any Host Nation design proofing requirements as part of the contract. This includes any design proofing and/or site supervision as required by Host Nation requirements.

• The Contractor is not allowed to commence demolition or construction work of any kind before all the designs have been proved and released. The Contractor shall coordinate their construction work with the proofing engineer.

Upon submission of the 100% designs, the Contractor shall be responsible to revise the 100% designs by Architectural Supplemental Instruction to incorporate any Host Nation requests and comments that are determined acceptable by the (US) government. Construction activities shall only start upon direction from the (US) government.

1.12. Other Contracts

It’s anticipated that other projects will be in construction in the vicinity at the time these projects have begun or finished, the COR will provide coordination with the contractors performing work on the other projects. The Contractor is also responsible for coordinating the efforts related to this contract in order to prevent rework on all Government contracts. In other words, the Contractor is responsible for complying with FAR 52.236-8 Other Contracts to ensure coordination of his schedule with adjacent projects managed by others. To the extent possible, work shall be coordinated with other contracts and/or the Contracting Officer or their representatives as needed to prevent schedule delays and rework under all Government contracts.

2. Site Work

A conceptual layout for each facility is provided in the attachments. The drawings show the proposed location of the planned elements in their proposed dimensions. The conceptual plans are provided for reference. Neither of these attachments, nor the described scope, referenced standards, or omitted standards relieves the Contractor from hiring their own designer to evaluate the existing conditions and design the new facility required to meet the performance criteria specified in scope of this contract. The Contractor is responsible for the validation of all aspects of the work whether they are shown on the conceptual plans or not. The Contractor's proposed site layout to the attached conceptual layout is subject to the approval of the COR and the Customer. The Contractor shall lay out the facility on the designated site taking into consideration the location of existing facilities and structures and shall include site elements that are to be upgraded, adjusted and/or added by the requirements of this SOW.

2.1. Site Survey

The Contractor is required to survey the site and the features that will be affected by construction as part of the contract work effort, and furnish a final topographic survey of the existing conditions. The contractor shall coordinate the survey with the Base Authority and tie into existing benchmarks.

The survey shall provide all data needed to design and construct the project. The survey shall include location and elevation of all features within the project site limits, as well as all features and utilities outside of the site that will be tied into or included in the project scope of work. The survey shall also include sufficient documentation and analysis of the existing drainage to allow for new proper drainage design, including areas which will be affected by new drainage patterns and surfaces which new construction will abut or adjoin.

Upon completion of construction, the original survey shall be updated with an as-built survey of the site as constructed. The as-built survey shall be submitted to the COR for approval.

2.2. Geotechnical Investigations

The Contractor shall perform geotechnical investigations and testing to evaluate the subsurface conditions as they relate to foundation design, pavement and slab-on-grade, site grading, drainage, and stormwater run-off management. Geotechnical laboratory and field testing shall include but not be limited to Atterberg limits, sieve analysis, maximum dry density/optimum moisture content, sulfate contents, CBR, and swelling potential. It shall furthermore include

• Shear strength tests to obtain values of phi and c for bearing capacity,

• Consolidation tests, if foundation bearing soils are fine-grained,

• Dynamic probing to obtain compressibility parameters, if soils are granular.

The investigation shall be performed and the report shall be provided to the COR prior to finalizing design features that are dependent upon soil condition and characteristics. The report will be provided for review with the 35% design submittal. The Contractor shall use the data from this investigation to provide bearing capacity analyses and settlement calculation, if necessary lateral earth pressure parameters general soil conditions, compaction requirements, fill requirements and soil percolation rates. As well as more general information, the geotechnical report shall specifically address the following:

• It shall clearly describe the subsurface conditions and regional geology.

• It shall also recommend any soil replacement or improvement requirements for earthworks, general fill, and backfill placement procedures, and types of compaction equipment to be used.

• It shall also provide, as applicable, recommendations for soil replacement or soil improvement under structures and compaction requirements for soil preparation under structures.

• It shall include permeability coefficients of the soil layers.

• It shall include a map of performed in-situ tests, borings or test pits.

• It shall list Standards and regulations applicable for geotechnical investigation

2.3. Hazardous Materials and Contamination

There is no prior knowledge of any hazardous materials at the site. However, it is possible that hazardous material may be found from previous use of the site, or that materials to be removed contain hazardous materials.

If hazardous materials are found to exist, the Contractor shall immediately notify the COR, cease work in the area, and secure the site. The Contractor shall take precautions to protect the site from surface run-off and precipitation, and prevent leaching of any hazardous material in the surrounding area. A change request shall be made by the Contractor per FAR 52.236-2, Differing Site Conditions.

2.4. UXO Clearance

Refer to Specification 01 30 00 General Requirements, section 3.13.

2.5. Utilities – General

Refer to Specification 01 30 00 General Requirements, section 3.12.

2.6. Earthwork - General

The Contractor shall perform all earthworks necessary to provide compatible surface elevations and slopes, and laying of utility lines (as required).

Surplus excavated material not required for fill shall be disposed of offsite at approved dump sites and shall be the responsibility of and at the expense to the Contractor.

Control Tests shall be performed on all prepared subgrades in accordance with local codes. The location of all tests shall be selected by the COR or his designated representative, and copies of all test results shall be furnished to the COR.

2.7. Site Mobilization and Sequencing

Refer to Specification 01 30 00 General Requirements and 01 35 26 Safety Requirements.

2.8. Demolition and Removal

Demolition of any existing civil works shall be planned and executed in a manner that minimizes disturbance to the site and the amount of associated earthwork required to perform the demolition.

Any structure, utility, pavement, feature, or landscaping to be demolished shall be shown on the demolition site plan. The Contractor shall stake-out the limits of disturbance before starting work.

Demolition and removal work includes, but is not limited to: existing building structures, foundations, slabs, pavements, utilities, other building elements, trench excavation, spoil materials, rubbish piles, spent construction-related materials and material canisters, miscellaneous debris, and leftover materials which have been abandoned.

The disposal of uncontaminated demolition material shall be official disposal sites (i.e., landfills, recycling centers, etc.). The Contractor shall be responsible for determining and meeting the requirements of the disposal site authorities regarding the material delivered there and for paying any dumping fees. The Contractor shall not dispose of the demolition material on the project site. The Contractor shall also provide the COR with documentation verifying the material has been properly disposed.

2.9. Site Clearing and Grubbing

Clearing and grubbing of vegetation include, but is not limited to: stumps, roots larger than 75 mm in diameter, brush, shrubs and other landscaping obstacles that encroach upon, or otherwise obstruct the work. All debris generated during demolition, including excess soil/rock/topsoil, shall be removed from the project sites and properly disposed of by the Contractor in accordance with Host Nation requirements.

Existing trees within the site construction areas which are to remain in place shall be properly protected during construction work in accordance with Host Nation standards. Any trees or shrubs which are to remain in place and are damaged by the Contractor shall be, irrespective of the degree of damage, replaced in kind and number.

2.10. Tree cutting

The Contractor shall perform a Tree Inventory Survey according to Host Nation regulations. Apply for a clear-cut permit at Regional Directorate of the State Forests and comply with the requirements from the permit. After obtaining the permit, cut shrubs and fell trees. Delimb, cut into logs, load and store logs on site. Remove and dispose of the rootstocks.

2.11. Existing Utilities and Relocation

To determine the exact location of any exterior underground utility systems (e.g. water, sewer, gas, electrical, and/or telephone lines) including their dimensions, type of material and condition, the Contractor shall coordinate with the local personnel familiar with the site. The Contractor shall ensure that no underground pipes or cables of any kind and their accessories will be damaged during the performance of the work. Any repair shall be done at the Contractor's expense and at the entire satisfaction of the COR.

Any existing utilities within the site boundary that interfere with each project shall be relocated. Where relocation of utility lines is not possible the Contractor must ensure that they are adequately secured to ensure uninterrupted services to other facilities. The Contractor shall coordinate all utility closures and disruptions with the COR. All shutdowns shall be coordinated a minimum of 14 days in advance. The Contractor shall disconnect utility lines (as required) before the commencement of demolition work.

Utilities shall be properly capped, plugged or abandoned in place.

Q1. Repair White Bridge

Design and construct a concrete bridge including abutments, deck, and parapet walls.

Clear width between concrete parapets 6.00 m Clear span 5.50 m Skew 90°

The design load is a wheeled MLC 50 according to STANAG 2021 Military Load Classification of Bridges. Single lane traffic.

Provide at least four conduits for utilities in the slab.

The minimum concrete strength for the bridge shall be C30/37. The contractor shall perform testing according to Host Nation codes to ensure the required material qualities.

A new access road shall be installed on both sides of the newly constructed White Bridge and tied into the preexisting access road redirecting traffic from the abandoned structure. Access to the abandoned structure shall be barricaded upon completion of the newly constructed White Bridge.

Figure 3: Concept of the White bridge - for reference only

The Scope of Work comprises the following principal items: Site clearance, including any required excavation, trenching, earthwork, backfilling, demolition, grubbing of shrubs, removal of trees, or removal of existing surface features at the site which are obstacles to completing the scope of the project. Site earthwork and grading, including preparation of the subgrade, excavation, and grading where new surfacing is proposed, and any necessary grading to achieve positive drainage away from structures or restore surfaces to original conditions. Concrete work, and drainage.

Q1.1. Civil and Geotechnical

Q1.1.1. Earthwork The Contractor shall perform all earthworks necessary to provide compatible surface elevations and slopes, and laying of utility lines (as required).

Surplus excavated material not required for fill shall be disposed of offsite at approved dump sites and shall be the responsibility of and at the expense to the Contractor.

Control Tests shall be performed on all prepared subgrades in accordance with local codes. The location of all tests shall be selected by the COR or his designated representative, and copies of all test results shall be furnished to the COR.

Q1.1.2. Site Grading Grading should ensure efficient drainage away from proposed buildings, walkways, roadways and parking places.

Provide swales, as needed, to drain property to the right of way or dedicated drainage easement.

Grading Plan must establish positive drainage to a collection point. No standing water shall remain, unless planned low areas such as bio-retention swales, rain gardens, etc., are planned for and properly designed, including underdrains as necessary.

The minimum slope of the flow path for a swale or sheet flow to the top of the curb, top bank of the ditch, or approved drainage inlet from the high point of the final graded lot shall be a minimum of 2% for grassed surfaces.

Q1.1.3. Roadways and Pavement The Contractor is responsible for providing all management, professional and technical services, construction quality management, labor, materials, equipment to design and construct the pavement system according to results and geotechnical investigations made before design.

Contractor’s geometric and structural design of new or temporary pavement and its implementation shall generally consider the types of vehicles traversing and parking on the planned pavements, their proposed amount of traffic, the design speed and any other types of stress provisioned on the planned pavements.

The Contractor shall design and construct the pavement in compliance with the applicable standards, RFP requirements, and in consideration of the results from the geotechnical survey and determined loads. The designer shall also consider frost and the variation in temperature throughout the year in this region. Contractor shall provide compaction tests and pavement density tests, thickness and evenness tests, to the frequency listed in local codes. The location of all tests, and the layers to be tested, shall be selected by the COR, and copies of all test results shall be furnished to the COR.

All pavements shall have a sufficient cross slope to properly drain runoff water.

The Contractor must design and construct proper connections between new and existing pavements including the demolition process (pavement, curbs gutters removal) according to applicable standards and regulations. Before construction, the Contractor must have specified drainage network connections, electric cables and depths. All utilities must be protected and even rebuilt outside work areas if there will be a collision.

Q1.1.4. Utilities – General The Contractor shall verify the specific location, depth, capacity, and condition of the existing utilities impacted by each project. The Contractor shall protect those lines that are to be kept in operation.

Q1.1.5. Stormwater and Drainage

The Contractor shall take maximum advantage of connecting to existing drainage patterns and systems to ensure the likelihood of ponding based on a 10-year return storm frequency (15 minutes duration) is minimized.

The Contractor shall provide:

• Discussion of Storm system constraints and design decisions.

• Hydrologic and hydraulic analysis of the storm system, including offsite areas that contribute to and influence the project's storm system.

• Drainage basin maps, rainfall data, and coefficients used.

• Calculations for sizing of structures, including detention, infiltration, and LID features.

• Pre and Post Development comparisons for detention/retention facilities. Use the Rational Method or TR-55 for analysis and design. In the absence of Host Nation or Installation requirements, use a minimum 10-year storm frequency for analysis and design.

Q1.1.6. Site Layout The Contractor shall lay out the facility on the available site by assembling all site features as requested in a manner that ensures proper functionality of the new facility. This includes appropriate consideration of environmental aspects or any other constraints involved with the site and its close vicinity.

During construction, the Contractor shall protect the water quality of the river per Host Nation regulations.

A conceptual layout for the facility is provided in drawing sections (Appendix A). The drawings present the proposed location of the planned infrastructure in their proposed dimensions.

Q1.1.7. Utilities – General The Contractor shall verify the specific location, depth, capacity, and condition of the existing utilities impacted by each project.

The COR shall be notified of any utility lines found to be missing from or incorrectly shown on any existing plans showing existing conditions and made available to the Contractor. Any indication of existing utility lines on such plans shall not mean the existence, location, depth and/or alignment of the lines is accurately represented. The Contractor shall protect those lines that are to be kept in operation.

Q1.1.8. Landscaping All disturbed unpaved areas shall be seeded with native grass. Planting shall be completed in the appropriate season, potentially necessitating the contractor to return after project completion for watering and erosion-control maintenance. Erosion-control measures shall remain in place until vegetation is established.

Q1.2. Structural Design

Q1.2.1. General In addition to meeting the requirements of UFC 1-202-01, the design shall comply with the Host Nation codes:

EN 1990 - Eurocode Basis of structural design EN 1991 - Eurocode 1 Action on structures EN 1992 - Eurocode 2 Design of concrete structures EN 1993 - Eurocode 3 Design of steel structures EN 1997 - Eurocode 7 Geotechnical design EN 1998 - Eurocode 8 Design of structures for earthquake resistance

The Contractor shall have as part of his design team a licensed or approved structural engineer who will act as the Contractor’s structural engineer-of-record. The structural engineer-of-record shall be responsible for the analysis and design of any part of the structural system.

This structural engineer shall prepare a structural calculation for all applicable structural aspects of the project. This includes but is not limited to the concrete bridges, retaining walls, cofferdams, excavation support, and their foundations.

Q1.2.2. Drawings & Specifications The following structural drawings shall be provided by the Contractor, but shall conform to the requirements of this SOW and are subject to the approval of the Contracting Officer Representative

(COR):

35% Design Submittal

• Preliminary floor plans which provide information of the main structural system of the construction giving general information about dimensions of main elements such as columns, beams, bearing walls, etc. (min. scale 1:50)

• Preliminary foundation plans which include for all typical structures, showing dimensions, arrangements, locations referred to a column line grid system, type of foundation and foundation obstructions. Include the layout of all slabs, footings, piers, grade beams, piles, etc., showing all foundation features of the design. (min. scale 1:50)

65% Design Submittal

• All items from the 35% Design Submittal requirements

• Formwork drawings of the load bearing structure including shoring and reshoring (min. scale 1:50)

• Reinforcement drawings for primary framing members (min. scale 1:50)

• Details of connections for primary steel framing members (min. scale 1:10)

95% Design Submittal

• All items from the 35% and 65% Design Submittal requirements

• Complete reinforcement drawings (min. scale 1:50)

• All necessary sections and details of the load bearing structure (min. scale 1:20)

• Shop drawings of the steel structure (min. scale 1:50)

• Details of all connections for the steel structure (min. scale 1:10)

• Detailed specifications that are typically sent to sub-contractors.

100% Submittal

• The 100% Submittal provides a complete and final set of contract documents ready for construction. All previous government review comments must have been addressed. Include all updated drawings, specifications and calculations from the 95% Submittal.

• The design criteria actually used for the structural design shall be referenced in the structural notes on the drawings including but not limited to applicable codes, standards and specified material strengths.

• Letter of certification from the proofing engineer.

Q1.2.3. Materials The use of the recommended materials and/or alternative materials shall be in conformance with the publications listed in the Design Criteria section of this document. Alternative materials may be submitted to the COR for approval if the Contractor determines the materials are more economically viable for this geographic region. Any material or construction that does not meet the requirements of this SOW or does not meet the applicable codes and standards shall be removed and replaced at the Contractor's expense.

Only non-combustible materials shall be used for all load bearing elements.

Reinforced Concrete Unless otherwise indicated all concrete shall be at least equivalent with C30/37 as per BDS EN206-1 (28-day compressive strength).

Reinforcing steel shall be equivalent with Grade B500B, Minimum Yield Strength 500 MPa as per BDS

EN 10080.

Structural Steel Structural steel shall be of a minimum steel grade equivalent of S235JR, Minimum Yield Strength 235 MPa as per BDS EN 10025-2.

Q1.2.4. Foundation System Foundations shall be appropriately sized for anticipated loading. The foundation design shall be based upon geotechnical investigations and soil borings to be obtained by the Contractor. Soil properties, soil site class for seismic performance, soil bearing capacity and foundation design requirements shall be determined by the project Geotechnical Engineer. A final geotechnical report will be required for foundation design recommendations for this structure.

Q1.2.5. Design Loads The structural system shall be designed and constructed, to safely support all dead, live, snow, and wind loads. The design load is a wheeled MLC 50 according to STANAG 2021 Military Load Classification of Bridges. Single lane traffic.

Seismic Loads Novo Selo Training Area is located in an area with reference peak ground acceleration on type A ground agR = 0.15 g.

Facilities are importance class 2, with γ1 = 1. A design ground acceleration on type A ground yields as ag = γ1 agR = 1 x 0.15 g = 0.15 g

Parameters for Type 1 (Vrantcha area) elastic response spectra:

S = 1.3

TB (S) = 0.1

TC (S) = 0.4

TD (S) = 2.0

A behavior factor q0 = 3 shall be used. The design shall be carried out for Ductility Class Medium (DCM) structures.

The lower bound factor for the horizontal design spectrum is = 0.2.

Q1.2.6. Allowable Soil Bearing Pressure

The allowable soil bearing pressure used for foundation design must be based on a geotechnical investigation. If unsuitable soils are discovered, the structural engineer must be notified to direct corrective measures as required.

Q1.2.7. Tests and Inspections Construction inspections and material testing shall be in accordance with local building codes.

Q1.3. Electrical and Communications

Q1.3.1. General Lightning Protection is not required.

Lighting is not required.

Q1.3.2. Existing Cables along the Road Prior to any excavation, all underground utilities in the work area must be positively identified by the contractor along the route of the excavation. Damage occurring to existing utilities shall be repaired at the Contractor’s expense.

The Contractor must physically verify underground utility locations by hand digging using wood or fiberglass handled tools when any adjacent construction work is expected to come within three feet of the underground system. Digging within 0.61 m (2 feet) of a known utility must not be performed by means of mechanical equipment; hand digging shall be used. If construction is parallel to an existing utility the utility shall be exposed by hand digging.

Cables that will be cut must be positively identified and de-energized prior to performing each cut.

Positive cable identification must be made prior to submitting any outage request for electrical systems. Arrangements are to be coordinated with the Contracting Officer and Station Utilities for identification. The Contracting Officer will not accept an outage request until the Contractor satisfactorily documents that the circuits have been clearly identified.

Q1.4. Demolition The demolition of the existing White Bridge Q1 is an optional item. See the section “Options”.

Q2. Repair Yellow Road and Bridge

Upgrade the existing tank road "Yellow Road," from points Q to R including drainage elements, traffic signs, conduits, culverts, etc.

Figure 4: Existing bridge at point Q and dirt road

The existing concrete road is in poor condition. The surface is not even and cracked. The sub-base is unstable, furrowed and full of potholes. Ruts dominate the overall impression.

Figure 5: Existing Bridge and road at point Q

The pavement shall be designed using PCASE. PCASE is mandatory for the design of roads and parking areas trafficked by special military vehicles and for all vehicle types outside of the United States and its territories and possessions.

PCASE is a computer program developed by the United States Army Corps of Engineers (USACE), Engineer Research and Development Center (ERDC), is available for use by the public. PCASE can be used to determine pavement thickness and compaction requirements. PCASE may be obtained electronically from the following: https://transportation.wes.army.mil/pcase or http://www.pcase.com

The design vehicle is the M1A2 SEP Abrams tank. Assume 36,000 passes per lifespan.

The design load is tracked MLC 100 according to STANAG 2021 Military Load Classification of Bridges. Single lane traffic.

Length of the road Q-R Approx. 255 m Width of the road min. 6.10 m Thickness of the road structure min. 0.76 m

Base the design of the road upgrade upon a standard cross-section with a roadway width of 6.10 m.

After removing the cracked concrete slabs at a length of approx. 255 m and an average width of 5 m, the new gravel road shall be built-up on the existing route. Optimize cut and fill balance. Provide at least (from top to bottom):

Gravel bettered with sand-grit 16 cm Gravel 30 cm Subbase 30 cm Geotextile > 300 g/m2 Subgrade

Figure 6: Conceptual section of the Yellow Road - for reference only

Due to the high built-up of the road, excavation work for trenches is minor. Stormwater discharged in the road trenches shall be conducted into trenches and/or into the open terrain, subject to applicable site conditions.

Install pipe culverts as required. Inlets and outlets shall be secured against erosion with armor stones.

Connect and adapt the new road to the existing roads at points Q and R.

Figure 7: Yellow Road shall end at point R.

Bridge Demolish the existing concrete, masonry abutments and concrete/steel deck including steel railing.

Design and construct a concrete bridge including floor slab, abutments, deck and parapet walls.

Figure 8: Existing Bridge and conduit for 20 kV cables

Clear width between parapet walls 7.40 m Clear span 3.00 m Skew 60°

The design vehicle is the M1A2 SEP Abrams tank. Assume 36,000 passes per lifespan.

The design load is tracked MLC 100 according to STANAG 2021 Military Load Classification of Bridges. Single lane traffic.

Provide at least four conduits for utilities in the bridge deck.

The minimum concrete strength for the floor slab, abutments, deck and parapet walls shall be C30/37.

The contractor shall perform testing according to Host Nation codes to ensure the required material qualities.

Q2.1. Civil and Geotechnical

Q2.1.1. Earthwork The Contractor shall perform all earthworks necessary to provide compatible surface elevations and slopes, and laying of utility lines (as required).

Surplus excavated material not required for fill shall be disposed of offsite at approved dump sites and shall be the responsibility of and at the expense to the Contractor.

Control Tests shall be performed on all prepared subgrades in accordance with local codes. The location of all tests shall be selected by the COR or his designated representative, and copies of all test results shall be furnished to the COR.

Q2.1.2. Site Grading Grading should ensure efficient drainage away from proposed buildings, walkways, roadways and parking places.

Provide swales, as needed, to drain property to the right of way or dedicated drainage easement.

Grading Plan must establish positive drainage to a collection point. No standing water shall remain, unless planned low areas such as bio-retention swales, rain gardens, etc., are planned for and properly designed, including underdrains as necessary.

The minimum slope of the flow path for a swale or sheet flow to the top of the curb, top bank of the ditch, or approved drainage inlet from the high point of the final graded lot shall be a minimum of 2% for grassed surfaces.

Q2.1.3. Roadways and Pavement The Contractor is responsible for providing all management, professional and technical services, construction quality management, labor, materials, equipment to design and construct the pavement system according to results and geotechnical investigations made before design.

Contractor’s geometric and structural design of new or temporary pavement and its implementation shall generally consider the types of vehicles traversing and parking on the planned pavements, their proposed amount of traffic, the design speed and any other types of stress provisioned on the planned pavements.

The Contractor shall design and construct the pavement in compliance with the applicable standards, RFP requirements, and in consideration of the results from the geotechnical survey and determined loads. The designer shall also consider frost and the variation in temperature throughout the year in this region. Contractor shall provide compaction tests and pavement density tests, thickness and evenness tests, to the frequency listed in local codes. The location of all tests, and the layers to be tested, shall be selected by the COR, and copies of all test results shall be furnished to the COR.

All pavements shall have a sufficient cross slope to properly drain runoff water.

The Contractor must design and construct proper connections between new and existing pavements including the demolition process (pavement, curbs gutters removal) according to applicable standards and regulations.