B.08.02 Statement of Work.pdf

US Army Corps of Engineers Europe District

APO AE 09049

ar184

Statement of Work

OHASIS ID# 66628

Fiscal Year: 2023

Hassi Ehel Ahmed Bichna School Redpearl, Mauritania

Prepared by:

Design Section

Engineering Branch 17 March 2023

[BCOES Submission]

01 10 10 Statement of Work Hassi Ehel Ahmed Bichna School – Redpearl, Mauritania

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SECTION 01 10 10

STATEMENT OF WORK

SECTION TABLE OF CONTENTS:

1 GENERAL

2 CIVIL AND GEOTECHNICAL

3 ARCHITECTURAL

4 STRUCTURAL

5 ELECTRICAL & COMMUNICATIONS

6 PLUMBING

ATTACHMENTS

Attachment # 1 Project Location Map Attachment # 2 Conceptual Site Plan Attachment # 3 Dedication Plaque Attachment # 4 Existing Conditions Photographs Attachment # 5 Construction Drawings (Previous contract for reference only) Attachment # 6 Structural Calculations Guideline Attachment # 7 TAG13 The design of VIP Latrines

1.0 GENERAL

1.1 PROJECT DESCRIPTION

The Request for Proposal (RFP) provides parameters for a design-build project for renovation of a facility in Redpearl, Mauritania; Latitude 16°11'50.01"N, Longitude 9°33'12.38"W (Refer to the attached Location Map.)

On the previous project, NAVFAC prepared the Request for Proposal (RFP) package and awarded to a contractor. The contractor began construction of this project around late 2016 and completed about 90% of the construction work, before the contract was terminated. The Contractor had completed construction of the majority of primary (Admin building, 2x classroom buildings) and secondary (latrines, perimeter wall, rainwater catchment system) facilities required per the contract.

The contract was later terminated for unknown reasons. Since then, the classrooms and admin buildings have been locked and were never used. The intent of this project is to complete the unfinished construction work of NAVFAC’s project and turn-over finished and operational School facilities to the local community.

The project includes the following general items of work, detailed requirements are contained elsewhere in this Statement of Work:

a. Clear and grub vegetation in the school complex

b. Verify the operability of water lines

c. Connect the water line to the sinks

d. Provide two sinks; one in the male and female VIP latrine

e. New gate at entrance

f. Demolish the old classroom building

g. Inspect roof for water leaks and repair roof as required

h. Replace roof draining system

i. Close off gaps in roof at truss penetrations

j. Patch and repair plaster walls

k. Replace door hardware

l. Replace broken window glazing

m. Raise the existing perimeter wall by 1 meter

n. Provide a new Photo-Voltaic system

o. Provide interior and exterior lighting

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1.2 GENERAL REQUIREMENTS

The Contractor must deliver fully functional, turnkey type facilities (without mobile furniture) as described in this document. The work includes - but is not limited to - design, demolition, fabrication, delivery, installation, construction, and site work.

The facility in this project must be complete and usable to meet codes and technical and functional requirements per this Statement of Work (SOW). The proposal price must include all design, calculations, approvals, certificates, fees, labor, material, equipment, direct overhead, indirect overhead, general and administrative expenses (G&A) and general conditions to complete this project as described in the SOW.

These design and product requirements are minimum requisites. Compliance with the provisions of this section by subcontractors is the responsibility of the Contractor.

1.2.1 BASE ITEMS AND OPTIONAL ITEMS

This Statement of Work addresses the technical requirements necessary to complete all work associated with this project. For information and requirements regarding the allocation of pricing between elements of the work, refer to Specification Section 01 22 00 PRICE AND PAYMENT PROCEDURES. The Schedule of Items identifies the breakdown between the individual base items and optional items for all work identified in this Statement of Work, associated drawings, and attachments. All work as described in these documents is included in either the Base or Optional Items. Consider all items not specifically identified in the Optional Items as part of the Base Items.

1.3 FUNCTIONAL AREAS

Refer to the attached drawings for a depiction of the required functional areas and spatial adjacencies for the site and new facilities/structures.

1.4 SUBMITTALS

Designer of Record approval is required for submittals with a “DA” designation.

Government approval is required for submittals with a “G” or “GA” designation.

Submittals having an “FIO” designation are for Contractor Quality Control approval. Submit the following to the Contracting Officer (KO) in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Demolition Plan; G

SD-05 Design Data

65% Pre-Final Design; DA/GA

95% Final Design; DA/GA

100% Corrected Final Design; DA/GA

SD-06 Test Reports

Test Results and Reports; FIO

1.4.1 DESIGN SUBMITTALS

Provide a complete design package at each milestone, as described in RFP Section 01 33 16-DESIGN AFTER AWARD. The milestones for this project are indicated above

18-Mar-23 Page 4 of 33 in Section 1.4 SUBMITTALS. The specific requirements of each milestone are described in each discipline-specific section of this Specification.

1.4.2 TEST REPORTS

Provide all test results and reports identified in this SOW to the Government as a submittal in accordance with RFP Section 01 33 00-SUBMITTAL PROCEDURES. Submittals will be considered for information only (FIO) submittals unless specifically identified as a submittal requiring government approval. Coordinate with the KO after award for the specific items to be included in the submittal register.

1.5 MATERIALS AND EQUIPMENT

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

1.5.1 LIFE-SPAN

The facility and the installed equipment must be permanent construction with an expected lifespan of more than 25 years.

1.5.2 MAINTAINABILITY

Provide low maintenance materials and systems appropriate for the project climate and location.

1.5.3 OPERABILITY

Systems (including but not limited to architectural, electrical, communications, and mechanical systems) must be simple to operate and easy to maintain.

1.5.4 STANDARDIZATION

Provide standardized materials, products, equipment, and systems to minimize the requirements for replacement parts, storage facilities, and service requirements.

1.6 DESIGN DIMENSIONS

Develop the design using the metric system.

1.7 DESIGN CRITERIA

Project design, site facilities, utility systems and material standards must be in accordance with Host Nation building codes (current versions as of the date of RFP, unless otherwise indicated). In the absence of Host Nation building codes, use the International Building Code (IBC) and the codes, technical standards, and regulations referenced in this RFP.

While this RFP references various source standards and specifications, all design documents must meet Host Nation codes and requirements. It is the designer's responsibility to demonstrate that the Host Nation standard is equal to the cited standard or specifications being supplanted. Apply the more restrictive standards when conflicts arise between the requirements of this RFP and any referenced or other applicable codes, standards, or regulations. If equivalency cannot be met, use the more stringent requirement and quote both codes verbatim in correspondence to the KO. The designer is responsible to determine the required material and execution standards where specific standards are not indicated. Provide an electronic copy of the local Host Nation standards and building codes in their original language as related to facility design and construction.

1.8 SPECIAL CONSTRUCTION REQUIREMENTS

1.8.1 DEMOLITION

The Contractor is responsible for all required demolition as indicated in this scope.

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Submit a Demolition Plan to be tracked via the submittal register indicating all demolition, abatement, and disposal methods.

1.8.1.1 ABATEMENT AND DISPOSAL

All demolished materials, including hazardous materials identified below, must be abated, and disposed of in accordance with local laws, codes, and regulations. The Contractor is responsible for all required testing before, during and after demolitions as well as for all required compliance with safety standards.

1.8.1.2 LOCATION OF HAZARDOUS MATERIAL

The Contractor is responsible to survey the site and determine if hazardous materials exist. If hazardous materials are found to exist, immediately notify the KO and provide the results of the relevant sampling and testing. Provide the hazardous material report no later than 30 days after Notice to Proceed (NTP) for information and approval.

1.8.2 PROTECTION OF WORK AREA

1.8.2.1 DUST AND DEBRIS CONTAINMNET

Seal the project area with construction barriers and dust partitions in order to contain construction dust and debris and maintain a clean environment outside of the work area. In addition to protections within the work area, provide temporary protection for all finishes from the entrance of the facility to each area of work. Patch and repairing any damage caused during construction. Coordinate the locations of barriers with the Government prior to the start of work.

1.8.2.2 PROTECTION OF FURNITURE, FIXTURES, AND EQUIPMENT

Protect all existing furniture, fixtures, and equipment that remain within the work area. Coordinate with the Government for any special protection measures required for sensitive equipment. The Contractor is responsible for repairing or replacing any damage caused during construction. The Contractor must conduct a preconstruction survey of furniture, fixtures, and equipment with a Government representative present.

1.8.2.3 NOISE AND VIBRATION CONTROL

Employ demolition and construction methods that minimize the production of sound and vibration. Coordinate the schedule of especially loud or disruptive activities with the KO prior to the start of work.

1.8.2.4 PROTECTION OF EGRESS AND LIFE SAFETY

The Contractor must not take actions that hinder existing egress paths or disrupt operation of life safety systems without prior coordination with the KO and all applicable authorities having jurisdiction (AHJ). The Contractor is responsible for supplying signage or other protective measures as required by the KO or AHJ prior to impeding the egress path or life safety system.

END OF SECTION

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2.0 CIVIL AND GEOTECHNICAL

Provide and perform civil engineering design and construction services as required to provide a complete, functional, and usable project. The Contractor is required to extensively coordinate civil design and construction work with the scope of the other disciplines described in this SOW.

2.1 SCOPE SUMMARY

Civil works for this project include, but are not limited to, site survey, geotechnical investigation (if no current geotechnical report exists), demolition, earthwork, fencing, and landscaping. Refer to the bid schedule for which of these are base bid or optional.

2.2 EXISTING CONDITIONS

The proposed project is in Redpearl, Mauritania. The GPS coordinates are Latitude 16°11'50.01"N and Longitude 9°33'12.38"W. The site is located about 55km south of Ayoun el Atrous, Mauritania. See Att. #1 – Location Map.

2.2.1 TOPOGRAPHY

The existing site contains buildings, rainwater tanks, latrines, fences, and vegetation as shown on the attached Conceptual Site Plan. The existing information shown on Attachment #2 - Conceptual Site Plan was compiled from Google Earth, and site photos.

2.2.2 UTILITIES

There are no public utilities serviced by the municipality in this village. The existing rainwater catchment system is not properly functional. Domestic water is available in the village via existing well, and there exists a waterline point in the school complex. There is a water tap-connection between the classroom and latrine. It is not known if the waterlines are functional. There is no septic system on site even though there are existing dry VIP Latrines.

Contractor must verify all utility locations (surface and subsurface) in the field prior to the first design submittal.

2.2.3 GEOTECHNICAL

There is no geotechnical information available for the project site.

2.2.4 ENVIRONMENTAL

There are no known environmental protection areas or archeological preservation areas on the project site. There is no prior knowledge of any hazardous or contaminated materials in the site’s soil.

2.2.5 EXISTING CONDITIONS INVESTIGATION

Prior to bid, investigate the general and local conditions which can affect the work and/or its cost, including but not limited to:

a. Weather, or similar physical conditions at the site.

b. Surface and subsurface materials or obstacles to be encountered insofar as this information is reasonably ascertainable from an inspection of the site and due diligence research of as-built drawings, geotechnical reports, environmental reports, and publicly available information on the site.

c. Mobilization and staging constraints.

2.3 DESIGN SUBMITTALS

Provide civil design submittals in accordance with RFP Section 01 33 16-DESIGN AFTER AWARD and in compliance with SOW Section 1.0 – GENERAL. Below are the contents required for each submittal:

65% Design Submittal:

a. Pre-Final Design Analysis of Civil features.

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b. Final Site Survey (include in the Design Analysis).

c. Final Geotechnical Report (include in the Design Analysis).

d. Final Existing Conditions Plan.

e. Pre-Final Site Layout, Grading, and Utility (Storm, Sanitary, and Water)

Plans – Indicate existing and proposed Civil features. Include other disciplines’ features (faded back) that affect the Civil Design (buildings, drainage patterns, latrines, etc.). Include contours, finish floor elevations, spot grades, and slopes in the Plans. Provide Profiles, Cross Sections, and Details. Include erosion control design.

f. Preliminary Civil Specifications.

95% Design Submittal:

Update all items from the 65% Design Submittal to 95% (Final) Design. Incorporate all 65% design comments.

100% Submittal:

The 100% Submittal provides a complete and final set of contract documents ready for construction. Update all Final submittals from 95% to a corrected Final submittal. Address all previous government review comments before submitting.

As Built Drawing Submittal:

In addition to the as-built requirements discussed in RFP Section 01 78 00- CLOSEOUT SUBMITTALS, provide a topographical survey of the site per requirements of SOW Section 2.6-SITE SURVEY. Include existing utility lines or structures (both modified and unmodified) encountered in the construction footprint that were not located on the original Site Survey.

2.3.1 DESIGN ANALYSIS

Provide a Design Analysis for all Civil features that documents significant design choices and substantiates design compliance with contract requirements, applicable codes, and standards. Documentation includes narrative, calculations, photographs, sketches, and catalog cut sheets. Reference all applicable regulations, standards, and criteria for the design. Reference sources are subject to Government approval.

Provide design assumptions. For design choices, discuss alternative systems considered, and provide rationale for the selected alternative.

The Design Analysis includes but is not limited to:

a. Discussion of Site Layout constraints and design decisions, including but not limited to, land use, vehicle and pedestrian access, orientation of features on-site, setbacks from site features, minimizing utility lengths, minimizing earthwork and tree removal, and future expansion.

b. Discussion of Earthwork and Site Grading constraints and design decisions.

Provide cut and fill calculations. Include pertinent geotechnical information that affects earthwork.

c. Site Survey as an appendix.

2.3.2 DESIGN DRAWINGS

Provide Civil design drawings of sufficient detail to address the requirements of each design submittal. Civil drawings include plans, profiles, cross sections, and details of Civil features for the project. Design drawings include all necessary information (labeling, dimensioning, legend, details, notes, etc.) to allow for complete understanding and constructability of all proposed features. Provide comprehensible differentiation between features that are proposed and existing by use of appropriate choice of line styles, line weights, and/or colors. In the absence of the Host Nation’s drafting requirements, reference USACE A/E/C Graphics Standard for graphic requirements.

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2.3.3 SPECIFICATIONS

Provide Civil specifications of sufficient detail to address the requirements of each design submittal. Specifications, when combined with the design drawings, allow for complete understanding and constructability of all proposed Civil features. Specifications may be notes on the Civil design drawings as an alternative to a separate specifications document.

2.4 DESIGN CRITERIA

Provide civil design in accordance with Host Nation codes. In the absence of Host Nation codes, use the latest release of the International Building Code (IBC).

2.5 GEOTECHNICAL INVESTIGATION AND REPORT

Not Required

2.6 BOUNDARY AND TOPOGRAPHIC SURVEY

Provide a topographic survey from a licensed surveyor that includes all existing site information needed to design and construct the project. Include x, y, and z coordinates to the nearest 0.005 meters, dimensions, material, and basic characteristics of all features within the project site limits, as well as all features outside of the project site limits that will affect the design and construction of the project. Research record drawings to obtain utility and pavement information that is not visible from the surface. Provide notes indicating the sources and any limitations or assumptions of the data. Provide a copy of the survey in CAD, in addition to the paper/electronic requirements of the Design Analysis. Locate and show on the topographic survey the following information:

a. Property boundary, public right of way, and easements. Include the address numbers, street names, and easement records.

b. Survey monuments and benchmarks. Include description.

c. Spot elevations covering the entire survey limits showing high points, low points, grade changes, and at sufficient intervals to represent the general character of the terrain.

d. Contours in intervals of 0.25 meters.

e. Buildings and other miscellaneous structures. Provide finish floor elevation.

f. Fences. Include height, material, direction of outrigger, gate locations and types.

g. Signs. Include sign text.

h. Trees: Locate trees over 150-millimeter diameter at chest height, and include tree species, and diameter at chest height.

i. Geotechnical boring locations.

j. Locate environmentally sensitive areas (determined and marked by others).

k. North arrow and scale of drawing.

l. Legend depicting the symbols and abbreviations used on the drawing.

m. Horizontal and vertical coordinate systems, date of survey, licensed surveyor name and license number.

Site information provided to the Contractor by the Government is not to be considered accurate Site Survey information. Utility field locates and as-built research are the responsibility of the Contractor.

Upon completion of construction, update the original survey with an As-built survey of the site as constructed, including underground utility locations and depths. Submit the As-built survey to the KO for approval.

In the absence of the Host Nation’s horizontal and vertical coordinate system, use the Universal Transverse Mercator (UTM) coordinate system and base vertical coordinates on sea level.

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2.6.1 BOUNDARY STAKE OUT

Provide permanent survey monuments for all property corners of the project site’s boundary.

2.7 SITE LAYOUT

Locate the proposed changes and other improvements as indicated on Att. #2 – Conceptual Site Plan. Amend the site layout as determined by the site-specific constraints, code requirements, the owner’s preferences, and future expansion.

The Contractor is responsible for all aspects of the project whether they are shown on the conceptual plan or not.

2.8 DEMOLITION

The existing deteriorating classroom building must be demolished and salvage the materials for site grading. Clearing and grubbing of the vegetation on site are anticipated to construct the proposed improvements. All contaminated soils discovered require special testing and disposal per Host Nation requirements.

2.8.1 CONSTRUCTION LIMITS

Do not disturb any areas past the site’s property line. Show limits of disturbance in the drawings. Stake-out the limits of disturbance on-site with temporary fencing before beginning construction.

2.8.2 ITEMS TO REMAIN IN PLACE WITHIN CONSTRUCTION LIMITS

Take necessary precautions to avoid damage to existing items to remain in place.

Repair or replace damaged items as required by the KO.

2.8.3 TREES

Mitigate for tree removal per Host Nation requirements. The Contractor is responsible for permitting, environmental studies, and coordination with local authorities related to tree and vegetation demolition.

2.8.4 DUST, DEBRIS, AND EROSION CONTROL

Prevent the spread of dust, debris, and erosion from the project site. Install erosion control measures before beginning construction. Do not create hazardous or objectionable conditions such as, but not limited to, flooding, erosion, or pollution. Remove debris from work areas daily. Remove and transport the debris in a manner that prevents spillage on streets or adjacent areas. Apply Host Nation regulations regarding hauling and disposal.

2.9 EARTHWORK

Perform all earth work necessary for the installation of the proposed improvements.

2.9.1 PLANS AND SPECIFICATIONS

Define earthwork requirements in the plans and specifications. Include requirements for satisfactory material, borrow material, structural fill, utility trenches, replacement and improvement of on-site soils, soil compaction (for subgrades of structures), maximum lift depths, density testing frequency, maximum temporary and permanent slopes, and engineered support systems. The earthwork requirements must not conflict with the recommendations in the Contractor-provided Geotechnical Report.

2.9.2 CONTAMINATED SOIL

Inspect and test all soil according to Host Nation requirements. If hazardous materials are discovered, cease excavation, secure the area, and notify the KO for further guidance.

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2.9.3 SATISFACTORY MATERIAL

Excavated material, if satisfactory for reuse per the Contractor’s Geotechnical Engineer, may be used on the project site where fill is required. Unsatisfactory material, and surplus excavated material not required for fill, must be disposed of offsite, and is the responsibility of the Contractor. Borrow material may be required for construction from sources off site. Borrow materials are to be free of hazardous materials and contaminants. Any soil brought in from off-site sources must be certified clean by the off-site borrow source or by on-site inspection.

2.9.4 FILL AND BACKFILL COMPACTION

In the absence of Host Nation requirements and geotechnical recommendations, fill and backfill must be placed in lifts of 20 centimeters loose thickness and compacted to a minimum 95% of the maximum dry density as determined by Host Nation test method equivalent to ASTM D-1557 (Modified Proctor test). Provide density tests on all lifts at a frequency of 1 test per 40 square meters for foundations, and 1 test per lift of subsurface structure (latrine foundations, drywell pit vault, etc.) backfill. Round up to nearest whole number (i.e., a 25 square meter foundation requires one test). The location of all tests must be selected by the Contractor’s geotechnical engineer, and copies of all test results must be furnished to the KO. All structure foundation excavations must be inspected and approved by the Contractor’s Geotechnical Engineer prior to placing concrete.

Repair earthwork areas as recommended by the Contractor’s Geotechnical Engineer and approved by the KO.

2.9.5 ENGINEERED SOIL SUPPORT SYSTEMS

Provide engineered soil support systems (i.e., shoring) as required for the construction of the proposed improvements. The Contractor is responsible for all dewatering necessary for earthwork.

2.9.6 SITE GRADING

Provide site grading that directs storm water runoff away from buildings and structures either by drainage systems or by grading as follows:

a. Finished grades of earth/grass/gravel surfaces adjacent to buildings and structures must slope away from all exterior edges with a minimum slope of 5% for the first 2 meters.

b. Finished grades of paved surfaces adjacent to buildings and structures must slope away from all exterior edges with a minimum slope of 2% for the first 2 meters.

c. Finished grades must not create stagnating water or ponding anywhere on the project site, nor create ponding on adjacent properties.

Site grading around the building must meet Host Nation accessibility guidelines.

The Contractor must limit proposed landscape slopes to a maximum 2H:1V, which require non-erodible surface (i.e., rock, shrubs with mulch).

2.10 UTILITIES

This section applies to all project utilities located outside the school and admin buildings including, but not limited to, latrines. See Sections 5.0-ELECTRICAL and Section 6.0-MECHNICAL for additional utility requirements.

In the absence of Host Nation requirements, design utilities per the IBC. Provide utility materials per IBC requirements.

Coordinate all required installation, relocation, improvement, and protection of utilities held by third party (e.g., public, or private utility). This includes coordination of any work to be performed by the utility owner. Choice of materials and products for utility installation must be coordinated with the utility owner (customer or third party) to ensure proper integration and compliance with

18-Mar-23 Page 11 of 33 existing systems and allow for easy maintenance and repair of the utilities in the future.

Provide corrosion protection for utilities that provides the minimum life expectancy specified in GENERAL Section 1.0. Any piping or equipment exposed to sunlight must be coated with protective coatings suitable for UV exposure with a minimum expected coating life of 10 years before recoating.

2.10.1 STORM SYSTEM

Verify the connections from the building roof gutters and downspouts to the two rainwater tanks. Provide system to divert first flush from the roofs that may be contaminated with dust, animal droppings and dirt so that it does enter the tank.

Test storm lines and structures for leakage and deflection per local codes.

Provide test results to the KO. Locate and repair any sections failing to pass the required tests. Repeat the specified tests and inspections on the repaired sections.

2.10.2 SANITARY SYSTEM

The contractor should verify that the existing sanitary system is operational.

Test sanitary lines and structures for leakage and deflection per local codes.

Provide test results to the KO. Locate and repair any sections failing to pass the required tests. Repeat the specified tests and inspections on the repaired sections.

2.11 FENCE

Raise the height of the existing perimeter wall by 1 meter. Use the same materials as the bottom half of the wall. Provide a new metal swing gate at the entrance.

2.12 LANDSCAPING

Grade disturbed areas to eliminate ponding and provide positive drainage away from structures and foundations. Refer to 2.9 EARTHWORK section for minimum compaction requirements.

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3.0 ARCHITECTURAL

3.1 PROJECT DESCRIPTION

Provide and perform architectural design and construction services to provide a complete, accessible, functional, and usable school facility.

Provide interior and exterior renovations to the single story, solid masonry / concrete school facility. Renovations to include, but not limited to:

a. Replacing of exterior door hardware

b. Repairing plaster finishes throughout the facility and perimeter walls

c. Replacement of damaged tiles

d. Repairing/replacing of roof drainage systems

e. Repairing of roofing

f. Providing new cabinetry and sinks

Extensive coordination is required between the architectural work and the work of other disciplines described in this SOW.

3.1.1 DESIGN

Provide a design and construction package that uses the space allocations, functional adjacencies, design details, and features given or referenced in this RFP. The design must incorporate all referenced codes and regulations. The Contractor is responsible for creating additional details as required to complete a full design. All details must conform to the requirements of this RFP and are subject to the approval of the KO. A previous set of construction drawings has been attached for reference. The Contractor is responsible for providing a design that meets all requirements of the User and the codes and criteria referenced in this Statement or Work.

3.1.2 DESIGN SUBMITTALS

Provide all architectural submittals after contract award in accordance with RFP Section 01 33 16-DESIGN AFTER AWARD and 01 33 00-SUBMITTAL PROCEDURES. Prepare and submit the documents listed below at the submittals indicated.

3.1.2.2 65% DESIGN SUBMISSION

Include the following drawings and reports as applicable to the project:

a. Code Summary – Provide a tabular code compliance summary indicating Host Nation and/or IBC life safety requirements for all new facilities.

b. Life Safety Plans – Provide plans depicting smoke/fire resistance ratings, egress routes, dead-end corridors, exits, and other aspects of life safety pertaining to the design.

c. Floor Plans – Provide all floor plans, indicating room names, areas, and basic dimensions, scale 1:50.

d. Ceiling Plans – Provide reflected ceiling plans for all rooms, indicating ceiling materials and fixtures, scale 1:50.

e. Building Elevations – Provide all building elevations indicating all exterior materials.

f. Roof Plan – Provide a plan of all roof areas, indicating direction of slope and method of drainage.

g. Building Section – Indicate heights of critical building elements.

h. Wall Section - Provide a typical interior and exterior wall section for each building – describe wall materials.

i. Pre-Final Design Analysis – Provide a narrative explaining the design and indicating how the design and materials meet the requirements of this SOW.

j. Pre-Final Specifications – Provide detailed explanations of requirements for all performed work or provide product specific manufacturer information (brochures, technical information, cut sheets) for all materials and products to be provided/installed.

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3.1.2.3 95% DESIGN SUBMISSION

The 95% Submittal provides a complete and final set of contract documents essentially ready for construction by the D/B Contractor. All previous government review comments must have been addressed. Include the following drawings and reports as applicable to the project:

a. All documents from the 65% submittal updated to incorporate 65% review comments.

b. Floor Plans – Provide all floor plans, indicating room names, areas, and dimensions, scale 1:50.

c. Building Elevations – Provide all building elevations indicating all exterior materials.

d. Roof Plan – Provide a plan of all roof areas, indicating direction of slope and method of drainage.

e. Building Section – Indicate heights.

f. Wall Sections – Provide sufficient wall section(s) to indicate all materials and different conditions.

g. Section and Plan Details – Provide details of critical building intersections.

h. Door Schedule – Provide a schedule of all windows and doors, indicating sizes, hardware, and operation.

i. Finish Schedule – Indicate all proposed finishes.

j. Final Design Analysis – Provide a finalized narrative describing all work to be performed on the project and how it meets the functional and code requirements of the project. Provide product specific manufacturer information (brochures, technical information, cut sheets) for all materials and products to be provided/installed.

k. Final Specifications – Provide line items and detailed descriptions of all work to be performed.

3.1.2.4 100% DESIGN SUBMISSION

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

3.2 TECHNICAL CRITERIA AND STANDARDS

Design and construct the project in accordance with the requirements outlined in Section 1.7 DESIGN CRITERIA.

3.2.1 LIFE SAFETY REQUIREMENTS

The Design must meet all Host Nation and local Fire Suppression System codes and requirements. All new structures must have exits and means of egress that comply with current Host Nation codes and standards. In the absence of Host Nation codes and standards, for individual concerns of Life Safety the Contractor must follow the International Building Code (IBC).

3.2.2 HANDICAPPED ACCESSIBILITY REQUIREMENTS

All facilities must meet applicable Host Nation handicapped accessibility requirements.

3.3 GENERAL SCOPE OF WORK

Design the architectural elements of this facility to withstand all site-specific environmental conditions such as wide seasonal temperature swings, local wind, rain, snow and earthquake conditions. All architectural features must be appropriately braced for anticipated seismic activity. The Contractor may propose alternate building materials to meet the facility’s requirements, but final selection of materials is subject to the approval of the KO. Consider economics not only in the initial acquisition, but also in the future maintenance of the materials, when selecting materials and building systems to be incorporated into

18-Mar-23 Page 14 of 33 the project. When requested, the Contractor must provide documentation demonstrating that a chosen alternative material is life cycle cost effective.

3.4 DETAILED SCOPE OF WORK

The Contractor is responsible for the following specific tasks required for the construction of this facility.

3.4.1 DEMOLITION

Demolition work includes, but is not limited to, the following items:

a. Demolish and remove existing exterior door hardware;

b. Demolish and remove existing roof drainage system;

c. Demolish and remove existing damaged window glazing and insect screens/netting;

d. Demolish and remove existing ridge caps;

e. Demolish and remove broken tile from the administration and classroom facilities; and

f. Demolish and remove the old classroom building.

3.4.2 BUILDING SYSTEM AND MATERIALS

The intent of this RFP is to allow the Contractor the maximum flexibility to design and construct this facility in an economical manner without sacrificing good engineering practices, quality materials and systems. The Government requires low or no maintenance finish materials to the greatest extent possible. Provide a design informed by the modular size of selected materials. Building materials as described herein are minimum requirements and may require revision based on code compliance and criteria.

3.4.2.1 FIRE PROTECTION RATINGS OF INTERIOR FINISHES

All interior finishes must conform to Host Nation fire protection standards/requirements or equivalent US standards/requirements.

3.4.2.2 ACOUSTICAL DESIGN

New doors must meet the minimum sound protection per Host Nation requirements.

3.4.2.3 CORROSION PREVENTION

All exterior materials and finishes must be appropriate for continuous exterior exposure. All materials susceptible to UV degradation must contain UV inhibitors.

Provide corrosion resistant coatings on all materials susceptible to corrosion.

Coatings must be applied in the factory prior to delivery to the maximum extent practicable. Physically separate dissimilar metals with non-conductive hardware.

Do not install aluminum in direct contact with concrete. Treat all wood with preservatives where it is contact with concrete or exposed to the exterior. Cover all exterior wood with metal flashing or exterior grade paint. Do not install wood in contact with soil.

3.4.3 EXTERIOR CONSTRUCTION WORK

Provide the following exterior architectural systems.

3.4.3.1 EXTERIOR WALLS

Patch and repair exterior walls of the administration and classroom facilities and perimeter walls in accordance with (IAW) the requirements of this SOW. Refer to Section 4.0 STRUCTURAL. Exterior walls must have smoke/fire resistance ratings as required by Host Nation, and local fire and life safety codes. Provide exterior wall finishes appropriate for the wall structure as required below.

3.4.3.1.1 EXTERIOR WALL PLASTER

Provide new exterior cementitious plaster and paint on all concrete and masonry surfaces at the interior and exterior of the administration and classroom facilities and at the perimeter walls. Steel trowel to a smooth surface. Paint

18-Mar-23 Page 15 of 33 with one coat of approved alkali resistant undercoat paint and two coats of super acrylic finish. Paint must be lead free, suitable for exterior applications, washable when dry. Submit a color sample of the paint along with the manufacturer's catalog data including application instructions and product data for KO's acceptance.

3.4.3.2 EXTERIOR DOORS

Provide new exterior doors in accordance with the functional requirements of this facility.

3.4.3.2.1 EXTERIOR DOORS

Provide new, locally constructed metal single-leaf, exterior doors and frames with mortised lockset at the administrative and classroom facilities. Reinforce flat metal sheets to prevent oil-canning. All door frames must be mounted flush with the surrounding walls and seams must be sealed. Provide standard door 45mm thickness. All metal must be covered with a suitable rust-inhibitive primer and then be painted with a glossy protective coating. Coordinate key system with the KO and end user.

Each door must have the following hardware as a minimum:

a. Three hinges on each leaf;

b. Lever latch handles;

c. Fully mortised lockset; and

d. Top and bottom sliding bolts to secure inactive door leaf in the closed position.

3.4.3.3 EXTERIOR WINDOWS

Provide exterior window glazing in accordance with the functional requirements of this facility.

3.4.3.3.1 EXTERIOR WINDOW GLAZING

Replace damaged window glazing at the administrative and classroom facilities.

Exterior glass must be finished with reflective coating to reduce solar heat gain.

Caulk all joints between window glazing and window frames with sealant to provide a watertight installation and proper finish. All damage to window frames must be patched/repaired and painted to match existing finish. Paint with one coat of approved alkali resistant undercoat paint and two coats of super acrylic finish.

Paint must be lead free, suitable for exterior applications, washable when dry.

Submit a color sample of the paint along with the manufacturer's catalog data including application instructions and product data for KO's acceptance.

3.4.3.4 ROOFING

Roof design and materials must comply with Host Nation requirements.

3.4.3.4.1 ROOF CONSTRUCTION AND ROOF COVERING

Repair existing roof surfaces of the administration and classroom facilities to provide proper roof finish for water drainage to the rainwater collection system.

Submit material and color samples for approval by the KO.

3.4.3.4.2 ROOF GUTTERS, DOWNSPOUTS AND FLASHING

Repair/replace roof drainage system as required. Repair/replace gutter and downspout supports and anchorage as required. Existing supports and anchorage must support the roof drainage system at full capacity. Provide new pre-finished galvanized steel roof gutters, downspouts, and flashing. PVC gutters and downspouts are not acceptable. Size gutters and downspouts for roof drainage area and 10-year storm rainfall intensity. Submit gutter and downspout sizing calculations in the Design Analysis. Repair/replace defective roof flashing as required. Coordinate storm drainage connections with the requirements of Section

18-Mar-23 Page 16 of 33

2.0 CIVIL AND GEOTECHNICAL. Submit material and color samples for approval by the

KO.

3.4.3.5 EXTERIOR METAL

All new exterior metal must be finished with an architectural coating. Provide exterior metal elements with a factory applied finish to the greatest extent practicable. For all new metal elements that have not been provided with a factory applied finish, are showing evidence of corrosion, or have failing coatings, clean and paint the metal in the field. Scrape and clean all surfaces to remove rust and dirt before painting. Paint system must be one coat of rust inhibitive primer and two coats of an alkyd-base finish paint. Do not paint galvanized surfaces. Submit paint samples and colors for review and approval by the KO.

3.4.4 INTERIOR CONSTRUCTION WORK

Provide the following interior architectural systems.

3.4.4.1 INTERIOR WALL FINISHES

Provide new interior wall finishes as described below. Submit data sheets, color, and pattern of all wall finishes for review and approval by the KO.

3.4.4.1.1 INTERIOR WALL PLASTER AND PAINT

Patch and repair the interior wall finishes throughout the administration and classroom facilities. Provide new cementitious plaster and paint on all concrete and masonry surfaces. Steel trowel to a smooth surface. Paint with one coat of approved alkyd resistant undercoat paint and two coats of super acrylic finish.

Paint must be lead free, suitable for exterior applications, and washable when dry. Submit paint samples and colors for review and approval by the KO.

3.4.4.2 FLOOR FINISHES

Provide new interior floor finishes as described below. Submit data sheets, color, and pattern of all floor finishes for review and approval by the KO.

3.4.4.2.1 CERAMIC TILE FLOORING

Replace any existing damaged floor tiles. The finish of new ceramic floor tile to match existing type. Provide new non-slip ceramic tile flooring to match existing.

Protect ceramic tile flooring in wet rooms/areas with elastomeric waterproofing membrane on the concrete slabs and turn up half meter high above floor. Tiles in wet rooms/areas must have a minimum slip resistance of Group B/R11. New tiles must be sized to match existing floor tiles. Fill joints with water resistive grout. Do NOT fill joints between wall and floor with grout, but with permanent elastic silicone. Color of grout and silicone must match. Ceramic tile flooring must match ceramic wall tile. Install proofing layer suited for the application. Install ceramic tile baseboards in all rooms that receive ceramic tile flooring but not ceramic wall tile.

3.4.4.2.2 CONCRETE FLOORS/SCREED

Provide slip resistant brush or broom finish to exterior concrete walking surface and new screed at the existing VIP latrines. Provide low VOC, clear epoxy concrete sealer on all exposed concrete floors. Concrete sealer must be appropriate for high-traffic areas and have high oil and chemical resistance. Apply epoxy concrete sealer in accordance with manufacturer instructions. Test concrete for appropriate moisture content prior to application.

3.4.4.3 BUILT-IN FURNISHINGS

Provide the following built-in furnishings in the administrative facility. Provide samples of all materials and colors to KO for approval.

18-Mar-23 Page 17 of 33

3.4.4.3.1 BUILT-IN STORAGE CABINETS

Provide new built-in storage cabinets in the administrative facility. Provide base cabinets of solid wood and constructed from locally produced materials. Storage cabinets must be a minimum of 2000 mm tall and have two horizontal shelves, spaced to create three equally sized compartments. Shelves in new built-in storage cabinets must have minimum dimensions of 1600 mm wide and 450 mm deep. Provide locally produced double doors, sized to span the full width and height of the storage cabinet. Doors must match exterior doors in materials, construction, and hardware. All doors must be keyed separately. Provide a minimum of two keys for each door.

3.4.4.3.2 COUNTERTOPS

Provide countertops constructed from laminate covered countertop shall be fabricated with locally produced materials. Countertops must be minimum 40 mm thick. Provide minimum 100 mm x 15 mm back and side splashes on all countertops adjacent to walls. Countertops must have a 20 mm overhang. Coordinate height of base cabinetry with thickness of countertops to provide 900 mm finished height at countertop.

3.4.4.3.3 UPPER CABINETS

Provide upper cabinets to match base cabinets. Provide upper cabinets of solid wood and constructed from locally produced materials. Provide double-door upper cabinets with opposing doors. Upper cabinets must be as wide as base cabinets.

Upper cabinets must be minimum 800 mm tall and mounted to provide a minimum 455 mm clearance above counter. All hardware on upper cabinets must match base cabinets.

Provide each upper cabinet with two adjustable shelves. Anchor upper cabinets to walls.

3.4.4.4 MISCELLANEOUS ACCESSORIES

Provide the following miscellaneous accessories in sizes and quantities as described below. Ensure all mounting surfaces have the appropriate structure for the weight and expected use of each accessory.

3.4.4.4.1 INSECT SCREENS/NETTING

Repair/replace the existing insect window netting at the administrative and classroom facilities. Netting must be constructed of stainless-steel mesh.

Repair/replace the ash door and chimney as required. The incinerator must be fully functional upon completion of work.

3.4.4.4.2 EXPOSED PIPES

Paint all exposed ferrous piping. Paint system must be one coat of rust inhibitive primer and two coats of finish for all pipes that are not painted. Pipes that are already painted must be cleaned and painted with adequate coats to provide uniformity with newly painted surfaces. Finish coat paint must be an alkyd base paint. Submit data sheets and colors for all paints review and approval by the KO.

3.4.4.4.3 VIP LATRINE SINKS

Provide two new sinks in the VIP latrines. Provide one new sink at the male VIP latrine and one at the female VIP latrine. Refer to Section 6 Plumbing for additional information.

3.4.5 SIGNAGE

Provide all signage in accordance with Host Nation standards.

3.4.5.1 EXTERIOR SIGNAGE

Provide exterior signage as described below. Construct all exterior signs from corrosion resistant materials appropriate for continuous exposure to the elements.

18-Mar-23 Page 18 of 33

3.4.5.1.1 EXTERIOR DEDICATION PLAQUE

Provide a dedication plaque approximately 600 mm wide x 450 mm high fabricated from powder coated aluminum with permanent printed 18 mm high, “Arial“ font letters as indicated below. Adhesive applied images or text are not acceptable.

Provide the emblem of the Africa Command between two flag emblems, one flag of the United States of America and one of the Republic of Mauritania. Plaque location and mounting height to be directed by the KO.

The exterior dedication plaque must have text similar to the following in both English and the Host Nation language: “The Construction of Aouinatt Health Clinic was accomplished as a partnership between the people of the United States of America and the people of the Republic of Mauritania, with support from the United States Africa Command and the Office of Security Cooperation, U.S. Embassy Mauritania.” Provide the year of project completion below the text. Coordinate the final dedication plaque verbiage and graphics with the KO prior to procuring the sign. See attached dedication plaque template for reference.

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4.0 STRUCTURAL

4.1 GENERAL

The Contractor must provide and perform structural engineering design and construction services as required to provide a complete, accessible, functional, and usable project.

The primary structural effort of this project includes

a. The design and construction of a photovoltaic array support structure to be mounted to the roof.

b. The repair of the VIP latrine wall which has cracked and settled. The design must include the demolition of the existing wall (approx. 12m length and full height), proper preparation of the subgrade, design, and construction of a replacement wall.

c. Other elements as required to make a complete and useable project. These may include but are not limited to repair of damaged elements, framing and connection of any architectural features, and support of mechanical and electrical equipment.

The Contractor must have as part of his design team a licensed structural engineer per Host Nations standards. If work is being performed in a country that does not have licensed structural engineers, then engineering degrees along with extensive structural design experience can be submitted to the KO for qualification verification and approval. The structural engineer’s licensure or qualifications must be submitted to the KO in the design quality control plan prior to the start of design. The Contractor’s structural engineer must be responsible for the design of any part of the building structural systems.

The structural design of the foundation, and any other structural aspects must be in accordance with the design criteria listed in this document. The superstructure of the project building and the foundation must be constructed from locally available materials.

4.2 APPLICABLE DESIGN CRITERIA

All Design, Safety in Construction, Materials, and Performance of Construction Services must be in accordance with current local or national Host Nation codes and standards. In absence of Host Nation codes, use the International Building Code and ASCE 7 for structural calculations. In case of conflicting requirements between the various elements, the more stringent criteria must govern.

Any material or construction installed by the Contractor as part of this contract that does not meet the requirements of this RFP or does not meet the applicable codes and standards must be removed and replaced at the Contractor’s expense.

Structural design methods and allowable stresses or load factors for the various structural…