Attachment 1 _ Amended Statement of Work.pdf

US Army Corps of Engineers Europe District

APO AE 09049

ar162

Statement of Work Project Number:

OHASIS ID: 35129

Southernwood Primary School East London, Eastern Cape, South Africa

Prepared by:

Design Section

Engineering Branch

18 NOVEMBER 2020

13 DECEMBER 2022

01 10 10 Statement of Work Southernwood Primary School, East London Eastern Cape, South Africa

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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

6 MECHANICAL

7 FIRE PROTECTION (covered in other sections)

ATTACHMENTS

Attachment # 1 Location Map Attachment # 2 Conceptual Site Plan Attachment # 3 Conceptual Architecture Plans Attachment # 4 Structural Calculations Guideline Attachment # 5 Dedication Plaque

1.0 GENERAL

1.1 PROJECT DESCRIPTION

The Request for Proposal (RFP) provides parameters for a design-build project for construction and renovation of a facility in East London, Eastern Cape, South Africa; Latitude 33°00’07.20“S, Longitude 27°54’42.48“E (See Attachment #1- Location Map.)

The existing Southernwood Primary School requires the construction of a new three

(3) classroom building, a new one (1) Pre-school classroom building as well as renovation of an existing school building and modifications to address accessibility by installing ramps for access to existing buildings and construction of handicapped toilets.

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

a. Clear, grub, and grade the site

b. Construct new three (3) classroom building

c. Construct new one (1) pre-school classroom building

d. Renovate area in the main building to provide two (2) wheelchair accessible toilets

e. Renovate existing classroom building to include patch and paint.

f. Provide site improvements including exterior stairs, handicap ramps, and walkways

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 and the installed equipment must be permanent construction.

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

21-Dec-2213-Dec-22 Page 3 of 43 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 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.

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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.

Provide a nameplate secured to each major piece of equipment. Each nameplate must have the manufacturer’s name, address, contact information, type or style, model or serial number, and catalog number. The definition of a “major piece of equipment” is at the discretion of the KO.

1.5.1 LIFE-SPAN

Construction must have an expected life span of 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 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.

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

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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. Either the Contractor or the KO may request to conduct a preconstruction survey of furniture, fixtures, and equipment with both the Contractor and 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.

1.8.3 INSPECTION AND OCCUPATION CERTIFICATE

In addition to the requirements of 00 74 01 paragraph 1.6.4, the contractor shall comply with the following. An "occupation certificate" is required at the end of the project. To obtain this, a Host Nation Government Inspector is required to visit the site and inspect at the following stages of construction: 1) Setting out of structure, 2) Foundation stage, 3) Open Drainage, 4) Roof, and on 5) Completion. These Inspectors will request Municipality approved building plans prior to these inspections, and before an occupation certificate is issued the following documents are required: 1) Engineer's Certificate, 2) Electrical Certificate, 3) Plumbing Certificate, 4) Glazing Certificate, 5) Roof Certificate. The Contractor is responsible for all coordination and costs/fees associated with these requirements. Assistance obtaining for these certificates may be requested from the U.S. Embassy.

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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, accessible, 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, geotechnical investigation, site layout, demolition, earthwork, pavement, and landscaping.

Refer to the bid schedule for which of these are base bid or optional.

2.2 EXISTING CONDITIONS

2.2.1 TOPOGRAPHY

There is no known topographic survey for the project site. The existing site contains buildings, pavement, utilities, fences, and vegetation as shown on Attachment #2 - Conceptual Site Plan. The site slopes to the east and consists of two plateaus. The elevation change from upper to lower plateau is approximately

2.5 meters. The existing information shown on Attachment #2 - Conceptual Site Plan was compiled from google earth and site photos.

2.2.2 UTILITIES

Rainfall is surface discharged to an existing trench as shown on Attachment #2 – Conceptual Site Plan which carries storm water offsite.

The site is connected to a municipal water main which runs along the roadway north of the site.

The site sanitary system is connected to the municipal sanitary sewer. The connection is located south of the main school building.

Power and cellular telephone service are also available on site. See Sections 5.0- ELECTRICAL and Section 6.0-MECHANICAL for additional details.

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.

The Contractor must perform a Geotechnical Investigation and submit a Geotechnical Report as part of the Design Analysis. Refer to other sections of this SOW for the requirements of the Geotechnical Investigations and Report.

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 or pavement.

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.

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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.

65% Design Submittal:

a. Pre-Final Design Analysis of civil features.

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

c. Final Existing Conditions Plan.

d. Pre-Final Demolition Plan

e. Pre-Final Site Layout Plans - Indicate existing and proposed Civil features.

Include other disciplines’ features (faded back) that affect the Civil Design (buildings, mechanical structures, electrical utilities, etc.).

f. Pre-Final Grading Profiles, Cross Sections, and Details. Include spot grades and slopes in Grading Plan. Include erosion control design and details for chosen measures.

g. Pre-Final Pavement Plans

h. Pre-Final 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. Include existing utility lines or structures (both modified and unmodified) encountered in the construction footprint.

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, 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 Demolition constraints and design decisions. Include discussion on how access will be provided during construction, and how each utility will be maintained and operated during construction.

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

Provide cut and fill calculations. Provide slope stability calculations for slopes steeper than 2H:1V or slopes supporting proposed structures. Include pertinent geotechnical information that affects earthwork.

d. Discussion of Pavement constraints and design decisions. Include pertinent geotechnical information that affects the pavement design.

e. Discussion of Outdoor Furnishings constraints and design decisions. Provide structural calculations for foundations if the foundation is designed by the

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Designer of Record. Calculations are not necessary if the foundation design is from an industry standard detail.

f. Discussion of Landscaping constraints and design decisions.

g. Geotechnical Investigation and Report 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. Civil drawings also include temporary construction plans/methods that affect the design and construction of the project.

These temporary plans include mobilization, traffic control, erosion control, construction sequence, etc. 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, existing, future, or proposed to be demolished by use of appropriate choice of line styles, line weights, and/or colors.

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.

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) and the following codes and technical standards:

a. Uniform Facility Criteria (UFC) 3-201-01, Civil Engineering

b. UFC 3-220-01, Geotechnical Engineering

c. USACE A/E/C Graphics Standard (ERDC/ITL TR-12-1)

d. Architectural Barriers Act (ABA)

2.5 GEOTECHNICAL INVESTIGATION AND REPORT

Perform a geotechnical investigation and assessment of the project site to determine the subsurface conditions and geotechnical parameters for foundation, grading, and utility design. Perform the necessary amount of testing, borings and test pits at depths suitable for the project improvements. Include geotechnical investigation in areas where borrow material will be used. The Geotechnical work must be performed under the supervision of a professional geotechnical engineer registered with the jurisdiction having authority, and the report must be signed by the Geotechnical Engineer. In the absence of Host Nation codes, perform the geotechnical investigation and report per UFC 3-220-01, Geotechnical Engineering and IBC.

Coordinate testing locations with the KO to avoid impact to existing utilities and facility operations. Utility locates, permits, pavement removal and vegetation clearing is the Contractor’s responsibility. Repair disturbed areas with a like material patch in paved areas, and compacted soil in non-paved areas. The repaired area must be flush with the adjacent surface. Following restoration, stake and flag each of the hole locations with boring identification numbers. In paved areas, use white paint on the paved surface to mark hole locations. Provide a map indicating the borehole and test pit locations.

2.5.1 REPORT

Include, as a minimum, the following information:

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a. Description of field work completed and equipment used; names, signatures and stamps of licensed professionals involved; name of drilling company.

b. A description of site subsurface conditions, regional geology, and seismic conditions at the site.

c. Site map of borehole and test pit locations.

d. High resolution color digital photographs of each borehole and test pit location.

e. Test pit logs with classification of all subsurface materials. The logs must distinguish fill materials from native materials, include all in-situ test results, and include groundwater depth information, if groundwater is encountered. Distinguish between bedrock and rock boulders.

f. Reports of all the field and laboratory testing.

g. Recommendations for allowable bearing capacity, expected settlement, type of foundation, minimum footing and grade beam dimensions, lateral earth pressure parameters, and minimum depth of foundation for footing and grade beams.

h. Recommendations for preparation, placement, and compaction of onsite soils, borrow material, soil replacement, soil amendment/treatment, structural fill, topsoil, and trench backfill. Include dewatering and temporary retaining structure needs.

i. Soil Resistivity.

j. Calculations to support conclusions and recommendations.

2.5.2 DESIGN DRAWINGS AND SPECIFICATIONS

On the design drawings and/or specifications, include geotechnical information that affect the design of the project, including but is not limited to, boring locations, boring logs, groundwater and frost depths, and any details that convey requirements for site preparation.

2.6 SITE LAYOUT

Locate the proposed building and other improvements as indicated on Attachment #2

– Conceptual Site Plan. Amend the site layout as determined by the site-specific constraints, the owner’s preferences, accessibility, future expansion, and opportunities that are identified and evaluated as part of the Contractor’s scope of work. Locate the proposed building a minimum of 3 meters away from existing buildings. Locate the proposed building outside the dripline of existing trees.

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

2.7 DEMOLITION

Remove existing utilities, pavement, vegetation, and any other features to construct the proposed improvements. Provide straight, neat sawcuts at limits of pavement removal. All contaminated soils discovered require special testing and disposal per Host Nation requirements.

2.7.1 CONSTRUCTION LIMITS

Do not disturb the project site beyond necessary for installation of proposed construction. Do not disturb any areas past the site’s property line. Show demolition work and limits of disturbance in the drawings. Stake-out the limits of disturbance on-site with temporary fencing before beginning construction.

2.7.2 ITEMS TO REMAIN IN PLACE WITHIN CONSTRUCTION LIMITS

Take necessary precautions to avoid damage to existing items to remain in place, to be reused, or to remain the property of the Government. Repair or replace damaged items as required by the KO. Construct and maintain shoring, bracing, and supports as required. Ensure that structural elements are not overloaded. Provide new supports and reinforcement for existing construction weakened by demolition, 21-Dec-2213-Dec-22 Page 11 of 43 deconstruction, or removal work. Repairs, reinforcement, or structural replacement require approval by the KO prior to performing said work.

2.7.3 UTILITIES

Any existing utilities encountered that are impacted by this project must be protected, or relocated if protection is not feasible. Remove existing and abandoned utilities under or within 3.0 m of the foundation of any proposed facility or building foundation. Reroute existing utilities to remain in accordance with SOW Section 2.9-UTILITIES. Abandoned utilities must be removed up to the utility main (or next utility main junction) and capped. Manholes or underground structures to be abandoned must be removed to a minimum depth of 50 centimeters below finish grade. Fill abandoned manhole or structure per Section 2.8-EARTHWORK requirements.

2.7.4 DUST, DEBRIS, AND EROSION CONTROL

Prevent the spread of dust, debris, and erosion from the project site. Install erosion control measures before beginning construction. Sweep pavements as often as necessary to control the spread of debris. Do not use water if it results in hazardous or objectionable conditions such as, but not limited to flooding, erosion, or pollution. Remove dust, dirt, and debris from work areas daily. Remove and transport the debris in a manner that prevents spillage on streets or adjacent areas. Apply local regulations regarding hauling and disposal.

Reference RFP Section 00 74 01-SPECIAL CONDITIONS and 01 30 00-GENERAL REQUIREMENTS for additional demolition, protection, and permitting requirements.

2.8 EARTHWORK

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

2.8.1 PLANS AND SPECIFICATIONS

Define earthwork requirements in the plans and specifications. Include requirements for, but not limited to, satisfactory material, borrow material, structural fill, topsoil, utility trenches, replacement and improvement of on-site soils, soil compaction (for subgrades of structures, paving, and landscaped areas), compaction for utility trenches, 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.

2.8.2 UNEXPLODED ORDNANCE (UXO) CLEARANCE

Provide UXO survey if required by Host Nation.

2.8.3 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.

2.8.4 CULTURAL RESOURCES

Cultural resources, such as archaeological remains, may be uncovered during excavation operations. If suspected cultural remains are found, cease excavation, secure the area, and notify the KO for further guidance.

2.8.5 TOPSOIL

Remove and save topsoil (approximately first 20 centimeters of excavation).

Separate out subsoil, brush, litter, weeds, roots, stones larger than 25 mm in diameter, and other materials that would interfere with planting and maintenance

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2.8.6 SATISFACTORY MATERIAL

Excavated material (below topsoil), 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.

2.8.7 BACKFILL COMPACTION

In the absence of Host Nation requirements and geotechnical recommendations, fill and backfill must be placed in layers 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 parking, and 1 test per 30 meters of road and utility trench. 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.

2.8.8 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.

2.8.9 SITE GRADING

Provide site grading that directs storm water runoff away from buildings and structures toward existing drainage features 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. Provide storm improvements if ponding is unavoidable.

d. In accordance with requirements of UFC 3-201-01, Chapter 2-8 Grading

e. Set finished floor elevations a minimum of 15 centimeters above finished grade at the perimeter of the building, with the exception of finished grade at entry points.

f. Set building finish floor elevations at a minimum of 30 centimeters above the local 100 year flood level.

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

The Contractor must limit proposed landscape slopes to a maximum 4H:1V for grass areas requiring mowing and 2H:1V for non-grass areas, which require non-erodible surface (i.e. rock, shrubs with mulch).

2.9 UTILITIES

This section applies to all project underground utilities located outside the building, including but not limited to, sanitary sewer, water supply, storm

21-Dec-2213-Dec-22 Page 13 of 43 drainage, and electrical. See Sections 5.0-ELECTRICAL, and Section 6.0-MECHANICAL for additional utility requirements.

Provide horizontal and vertical separation between new and existing utilities for rehabilitation, maintenance, repair or replacement. Provide utility line depths, bedding, and backfill as required by applicable requirements and geotechnical recommendations. Minimum cover over pipes is 0.6 meters; greater than frost penetration; or sufficient to support imposed dead and live loads for the pipe materials used; whichever is more stringent. Place plastic warning tape along the route of the buried pipe after installation at a height of 0.3 meters above the pipe.

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 existing systems and allow for easy maintenance and repair of the utilities in the future.

Provide utility materials per IBC requirements. 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.

2.9.1 STORM SYSTEM

Provide surface drainage to direct runoff away from improvements toward the existing drainage trench, eliminate ponding, and prevent erosion. A pump system is not allowed.

Connect building downspouts to splash blocks that drain away from foundations a minimum of 2 meters.

2.9.2 WATER SYSTEM

Provide a water system to connect the proposed building’s fire hose to the site’s existing water system. Design the system to meet the fire flow requirements of the facility. Provide a meter at the water connection point that is accessible by a third party utility.

All new water distribution piping must have a minimum horizontal separation of 3 m from all new or existing gravity sanitary systems.

In the absence of Host Nation standards, design the water system per the IBC.

After installation, test water supply lines according to local codes for leakage.

Before the water supply line is put into final operation, disinfect the line, and then flush the line to remove traces of the sterilization agent. Test treated line for coliform bacteria. 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.

See SOW Section 6.0 – MECHANICAL for indoor water scope.

2.10 PAVEMENT

Proposed pavements for the project include:

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a. One set of concrete stairs and wheelchair accessible ramp to provide pedestrian access from the higher elevation to the lower elevation of the proposed classroom building.

b. One set of concrete stairs and wheelchair accessible ramp to replace the existing exterior stairs adjacent to the existing classroom building proposed to be renovated.

c. Portland Cement Concrete (PCC) or paving block pedestrian access to the proposed building exterior doors. The path must be minimum 1.5m wide.

d. Replace existing pavement sections where the trenching occurs for utility installation. Sawcut a minimum 30 centimeters beyond edge of trench.

2.11 LANDSCAPING

Provide grass seed and 20 centimeters of topsoil on the site in areas that do not have pavement or a building within the limits of disturbance. Seeds must be locally sourced from a certified plant nursery, and native to the area. Provide seed coverage density per manufacturer/supplier’s recommendations. Provide watering, weeding, and any other necessary care to establish growth. Limit planting to times of the year per local codes and/or manufacturer/supplier’s recommendations. Replace topsoil and seeds, at Contractor’s expense, in areas which do not have new growth coverage of 75% before the warranty period ends.

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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 building in East London, Eastern Cape, South Africa.

Provide a new single-story, solid masonry / concrete building that will serve as three (3) classroom school building and another one (1) Pre-school classroom building. Renovate existing detached classroom building by patch and paint and renovate the former nurse office on the ground level and the former security restroom on the lower level in the main building by modifying existing layout to construct two (2) new wheelchair accessible toilet rooms.

Extensive coordination is required between the architectural work and the civil, geotechnical, structural, fire protection, mechanical, and electrical requirements of this project.

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 schematic design has been attached for reference. The schematic plans are provided for diagrammatic purposes only and do not necessarily represent an approved floor plan or design. 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.

3.1.2.1 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 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. Demolition Plans – Provide existing floor plans, indicating all demolition required.

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

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

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

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

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

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

j. Interior Elevations – Provide interior elevations of all bathrooms and built-in casework and kitchenettes, indicate critical heights of surfaces and plumbing fixtures and describe all materials and finishes.

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

l. 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.

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

i. Stair Section and Details.

j. Finish Schedule – Indicate all proposed finishes.

k. 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.

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

3.1.2.3 100% 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 structures to be provided must have exits and means of egress that comply with current Host Nation codes and standards, or in accordance with US codes and standards.

In the absence of Host Nation codes and standards, for individual concerns of Life Safety the Contractor must follow appropriate US codes and standards, including the International Building Code (IBC).

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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 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 is limited to the construction of the new wheelchair accessible toilet rooms in the former nurse room and security restroom in the main school building and work includes, but is not limited to, the following items:

a. Demolish and remove existing door in school nurse room and security restroom;

b. Enlarge door openings for new toilet rooms to comply with SANS 104000 Part S (Facilities for persons with disabilities);

c. Demolish and remove existing floor, wall, and ceiling finishes;

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. 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

Doors, walls, floors, and ceilings must meet the minimum sound protection per Host Nation requirements.

3.4.2.3 THERMAL INSULATION

Provide thermal insulation in accordance with Host Nation and local requirements.

At a minimum, provide thermal insulation in accordance with the International Energy Conservation Code (IECC). Minimum R-values and maximum U-factors required by this SOW are minimally acceptable levels of thermal insulation.

3.4.2.4 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

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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

Design and construct new exterior 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 STEM WALLS

Provide damp proof course (375 micron) between the stem walls above ground level to stop moisture ingress. All materials below grade must be appropriate for direct contact with soil.

3.4.3.1.2 EXTERIOR CLASSROOM BUILDING WALLS

Design and construct new exterior walls for the new classroom building in accordance with (IAW) the requirements of this SOW. Refer to Section 4.0 STRUCTURAL. Provide sufficient control joints to prevent masonry cracking.

3.4.3.1.3 EXTERIOR WALL PLASTER AND PAINT

Provide new exterior cementitious plaster and paint matching existing buildings on all concrete and masonry surfaces of new classroom buildings. Steel trowel to a smooth surface. 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 COR's acceptance.

3.4.3.2 EXTERIOR DOORS

Provide new exterior doors in accordance with the functional requirements of this facility and as indicated on attached drawings. Provide new doors as described below for the new classroom buildings.

3.4.3.2.1 EXTERIOR PERSONNEL DOORS

Provide locally constructed hardwood doors and metal frames with glazed transom windows for the new classroom buildings. Doors must have mortised “gower” lockset.

Locking mechanism must have at least a 5 lever mortise design with a welded plate on gate to prevent sawing of the lock deadbolt. All door frames must be fitted with an exterior steel security door covering the entirety of the opening, including the transom window. Security doors must be secure with a locking mechanism. Provide three hinges on each leaf. Security door hinges and connections must not be accessible from the exterior when security doors are closed and locked. All locks must be keyed differently. Provide two keys for every lock. Do NOT provide a master key. All exterior metal must be painted with protective coating.

3.4.3.3 EXTERIOR WINDOWS

Provide exterior windows as indicated on attached drawings and in accordance with the functional requirements of this facility. Provide new windows as described below for the new classroom buildings.

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3.4.3.3.1 EXTERIOR WINDOW FRAMES AND GLAZING

Provide locally constructed steel windows with single-pane glazing to match existing school building windows. Windows must have tilt operability around the pane midpoint. All windows must be 100% operable and meet life safety requirements. Provide all accessories and hardware including drip sills, hinges, lever handles and latch lock. Anchor and secure window frames to structure as recommended by the manufacturer to meet the wind and seismic loads. Caulk all joints between window frames and building with sealant to provide a watertight installation and proper finish. Windows must have a minimum width of 1200 mm and a minimum height of 1220 mm. Size windows to provide significant daylighting, as minimal electrical light will be provided in the classroom facilities. Provide glazing/glass certification compliant with SANS 10400-N. Do NOT provide insect screens on any openings.

3.4.3.3.2 EXTERIOR WINDOW SILLS

Install new exterior factory-coated galvanized steel window sills at all new windows. The window sills must match the color of window frames. Caulk all joints between window frames and building with sealant to provide a watertight installation and proper finish.

3.4.3.3.3 EXTERIOR WINDOW BARS

Install galvanized steel mullions on all windows to provide burglar protection when the window is in the open position. Provide 3mm thick x 40mm wide steel bars to be welded across window frames in a rectangular arrangement with gaps less than a human size. Bars must be welded half on the inside and half on the outside of the window frame, such that they do not inhibit the tilt operability of windows around the pane midpoint. Match window bars on the existing school buildings.

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

Provide new roof structure, roof lathing and new galvanized factory finished corrugated metal roofing matching existing roofs. All roofing must have a slope greater than 15% degree. Provide roof-mounted fall protection anchors as required by HN occupational safety requirements. Steel or aluminum roofing must be factory finished and have minimum thickness of 0.70 mm. Roofing must have concealed fasteners. Provide all required flashings, fasteners, and sealing materials.

Install as required by the manufacturer. Metal roofs must have 20 year warranty.

Submit material and color samples for approval.

3.4.3.4.2 EAVES, OVERHANGS, AND SOFFITS

Provide roof overhangs a minimum of 1500 mm from the face of exterior walls on the veranda side. Provide roof overhang at the rear side of the classroom building for minimum 700 mm and 400 mm at gables.

3.4.3.4.3 ROOF GUTTERS, DOWNSPOUTS AND FLASHING

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. Coordinate storm drainage connections with the requirements of Section 2.0 CIVIL AND GEOTECHNICAL.