19AQMM24N0017 Statement of Works.pdf

INL Colombia Construction Projects IDIQ

Sample task Order

GENERAL SOW IDIQ / CONSTRUCTION PROJECTS

The project consists of an IDIQ for the construction activities under INL Colombia construction missions:

a. INL missions building constructions and renovations.

b. Infrastructures

c. Utilities

d. Metal/Fabricated structured buildings/facilities

e. Accessories

Sample TOs for solicitation & evaluation

• PSIB: Administrative and/or Lodging Type 1 (Patrol)’s and/ or Lodging type 2 (Commander’s) Buildings

• Kennels – units with support spaces

• Warehouse: 2 levels

• CEFOP Building

• Multipurpose Building

• Fence / Barrier / Wall

• Utilities Upgrade for Base

• Structural Communication Tower

Projects for a Colombian National Force, located at any Location in Colombia, and to support an INL program, as per specified on the project’s Task Orders.

The construction for the different buildings contained in this IDIQ shall include the use of quality materials that are capable of withstanding tropical rainy climate. The structural system chosen for these buildings corresponds to reinforced masonry wall. The lightweight roof system is supported by purlins which are supported over concrete beam, supported over reinforced masonry wall. The foundation of these buildings consists in concrete cyclopean and footings. Also these facilities shall have internal installations, doors, door hardware, air conditioning, sanitary fittings, underground water tank, generator and finishes as indicated in the attached drawings. Electrical, hydraulic and sewage utilities will be considered under incidental design and will be revised and defined per Task Order. The building shall comply with the current standards of the Colombian Seismic Resistance Code (NSR Standard, 10).

The contractor shall be responsible for transportation, meals and lodging of the construction team on the different work sites (away from the project site), or as arranged with the Colombia’s force personnel on site. The contractor shall have a representative at the work site to receive materials, which shall be responsible for unloading materials and transporting it to the actual work site.

Designs, layout and dimensions are likewise shown on the attached drawings.

REMARK: The contractor to whom the Task Orders are awarded shall have to present catalogues and test results of all materials to use for each of the projects.

EMBASSY OF THE UNITED

STATES OF AMERICA

Bogotá, Colombia

INTERNATIONAL NARCOTICS

& LAW ENFORCEMENT

SECTION (INL)

PROJECT:

The project consists of an IDIQ for the construction activities under INL missions: Building constructions and renovations, Infrastructures, Utilities, Metal/Fabricated structured buildings/facilities, Accessories

Number of

Pages: 27

Date:

Feb, 2024

PLACE:

Any location in

Colombia

1. PRELIMINARY WORK

1.1 Temporary Facilities

1.1.1. Camp Site:

For the projects included in the IDIQ, the contractor shall build a temporary work camp in galvanized metal plates or containers to be used as a site office and storage area for construction elements, including dressing rooms for the personnel at the worksite, equipped with everything to meet personal hygiene, comfort, and ventilation requirements and protection against weather conditions.

The location of this work camp shall be coordinated among the contractor, the Colombian Force POC on site and the US Government Representative. The contractor shall be responsible for the elements left in this location and shall remove the work camp when the works are finished, leaving the area in the same condition in which it was delivered.

1.1.2. Temporary enclosure:

The contractor shall isolate the projects areas from the zones or roads that surround the terrain or the work area. Also, if a material storage area is built, it shall also be enclosed. To do so, the contractor shall install a polypropylene enclosure (Height = 2.1 m) using appropriately driven wooden posts every 2 m and pulled firm with wire on the top, in the middle. The contractor shall also install bottom supports on each side of the access door and on the swinging joints. The enclosure shall only have one dual gate access for the access of machinery, vehicles, and personnel. During the performance of the works, the contractor shall take care of the maintenance and repair of the enclosure, in such a manner as to always keep it in optimum conditions.

1.2 Locating and layout (To be executed per each Task Order):

As per each Task Order, the contractor shall perform a survey of the project area using precision topography instruments, based on the design supplied. The contractor shall double-check the measures of the area assigned.

This shall be done by a certified professional who, in addition to the planimetry, shall establish the project levels.

Everything shall be referenced using strongly fastened wooden headers. The contractor shall supply all of the materials to build the planimetry references, the level references, such as stakes and field logs, etc.

The US Government representative shall review the location of the axes, but this does not waive the contractor of its responsibility, in the event of an error in locating or leveling, in any portion of the works. Before beginning with the locating and laying out, the contractor shall confirm the points of reference or ties required for the project with the Colombian Force POC. The reference points shall be defined and approved by the POC, as well as the borders of the terrain to occupy.

The temporary Bench Marks (BM) and references axes shall be located in spots that do not interfere with the performance of the works, where it shall not be necessary to remove them, in order to enable later control at any given time during the works. Paint marks of any kind, scrape marks, nails, centering pegs, etc. are not allowed in the present construction or base structures. After doing the locating and layout of the project, the contractor shall submit a drawing including the location of the structures and existing trees and shrubs, for approval.

The contractor shall include the location and layout of all the work necessary to complete the project, as well as submission of the drawings.

1.3 Excavation:

The contractor shall perform the clearing, grubbing, excavation and removal needed to carry out all works regarding the project specified in the Task Order of this contract. The Contractor shall be responsible by any damage to the site during the execution of these activities. The excavation works shall include minor tools, machinery, dump truck transportation to authorized sites in the region, and labor.

At the excavation sites and access points, the Contractor shall provide all safety signs, warning signs and temporary enclosure. The work zone shall be enclosed using 8-cm wide yellow plastic safety tape strips nailed to and / or supported on the floor, and shall at least have three strips to protect persons, vehicles and animals from possible accidents.

The Contractor shall be prepared to excavate any type of material, using the appropriate methods, equipment and tools. Before initiating the excavation work, the Contractor shall perform an aerial, surface and / or underground survey of any potential interference accompanied by an authorized POC, Colombian Force representative, in order to prevent from damaging pipes, cables, posts, hoses, wells or other elements or structures that exist in the excavation areas and / or in the access points of each of the Task Order projects. In the case of excavation and / or removal interfere with sewage systems, piping, cables or other elements, the

Contractor shall proceed to support or protect them appropriately. The Contractor shall keep all plugs, covers and sumps in the public utility systems located near the excavation sites free from waste, in order to avoid their obstruction or damage.

The Contractor shall be responsible for the stability of all temporary slopes. The Contractor shall also be responsible for handling surface water and for evacuating underground water or any other type of water, and for supplying and maintaining the drainage and pumping systems required to stabilize slopes and to avoid water from entering the excavations.

1.4 Compacting the Subgrade:

The Contractors shall compact all subgrade areas resulting from the excavation work before begging the filling activities, using a self-powered equipment (excavation width greater than 2.5m) and/or manual equipment in narrow areas, until a density is obtained which is equivalent to a change in its original shape of not more than 2 mm between simultaneous runs with the compacting equipment (in the case of self-powered equipment) and until such time as the footprints of a person weighing more than 75 kg. shall not show in compacting areas.

The compacting equipment chosen by the Contractor shall be approved by the on-site US Government representative, and shall be in line with the plasticity features of the material that is to be compacted. If any unsatisfactory material or soft points appear in the subgrade during the compacting process, the Contractor shall replace it promptly by means of excavations followed by filling with the satisfactory materials, unless the fault is due, in the opinion of the on-site US Government representative, to over-compacting and/or incorrect use of the compacting equipment, in which case the material shall be replaced at the expense of the Contractor.

1.5 Filling Material:

The contractor shall supply all labor, materials, equipment, and execute of all works required for the filling involved in the work of each Task Order project. The filling materials thickness shall change according to the foundation area for each portion of works.

Before starting the filling work, the Contractor shall verify that the terrain to be used as a base shall lack completely of vegetation, organic soil, and construction debris and the surfaces shall not have any flooded areas or areas with stagnant water. The Contractor shall confirm that the subgrade is compacted before applying the layer of filling material.

The Contractor shall select the sources for the filling materials. The contractor shall submit the material source for consideration of the US Government and shall present representative samples and the results of laboratory tests, at least seven (7) days before the Contractor intends to initiate the filling work. Supplying the samples and performing the tests by the Contractor shall not result in any additional price to the US Government.

The Contractor shall use for the filling gravel materials that shall not contain any organic silt, plant matter, garbage, solid waste materials or debris. The maximum size of the materials shall be five (5) centimeters. The fine contents

(the percentage that passes through a #200 sieve) shall be less than twenty percent (20%), and the material plasticity index that passes through a #40 sieve shall be less than 8%. The materials for filling shall be compacted in successive symmetrical layers of minimum ten (10) centimeters and maximum fifteen (15) cm at a compaction of 95% of the modified proctor. The compacting methods and equipment to be use shall be approved by the US Government representative.

1.6 Concrete foundation and floor slab:

The concrete structure, metallic structure and other constructions shall be built and installed according to the standards contained in the NSR-10 code.

The Contractor shall include the execution of the corresponding laboratory tests as required. The Contractor shall take 6 sample cylinders for concrete resistance tests per pouring or per each 5 m3 of concrete, in order to test 2 cylinders at 7 days, 2 cylinders at 28 days and leave 2 cylinders as proof samples. The results of the laboratory tests shall be submitted for approval of the US Government Representative.

1.6.1 Vapor Barrier:

After the filling material has been completed, the Contractor shall supply and install a vapour barrier

(‘Polisec’ or similar) along the whole area filling area, and an extra width of 0.40 m shall go above the walls of excavation. The interior overlap joints should be at least 15 cm wide, and shall be fixed or sealed in place using adhesive tape or similar at least 5 cm wide and compatible with the membrane.

The vapour barrier shall be made of polyethylene at least 0.152 mm (6 mils.) thick or equivalent material that has the same characteristics and features. The contractor shall submit a representative sample and technical details of the product that is to be installed, for approval.

1.6.2 Concrete slab:

The Contractor shall build a concrete slab, with a strength of 21 Mpa (3000 psi) and a minimum thickness of 0.15 m including equipment, forming, placing, levelling and smooth finished; the Contractor shall repair any difference of more than 3 mm above or below the level in this specification (by finishing or passing a polishing machine), and such costs shall be assumed by the Contractor. The slab shall have a mesh with 9.52 mm rebar, with spaces every 20 cm on both sides, and the mesh shall be located up and down of the concrete slab. The slab shall have control joints as indicated in the drawings. The dimensions for each area are indicated in the attached drawings for each of the buildings included in the

IDIQ.

1.7 Concrete Strip Footing 21 Mpa (3000 psi):

The Contractor shall perform the construction (Equipment, forming, placing, levelling and smooth finished) of a concrete strip beam, with strength of 21 Mpa (3000 psi); the Contractor shall supply and install the rebar for this beam as is indicated in the attached structural drawings.

1.8 Cyclopean concrete foundation (Capillary Barrier):

The Contractor shall perform the constructing of a cyclopean concrete foundation (Capillary Barrier), complying with the positions and dimensions stated on the approved structural drawings for the project, and shall include the supply of all materials, labour, facilities and equipment that shall be required. The contractor shall supply and install all formwork which shall be necessary for restraining and shaping the concrete, and shall lay all reinforcement steel that shall be needed, in accordance with the approved structural design. The

Contractor shall use a proportion of 40% of rock within 15-20 cm average size and 60% of concrete with a resistance of at least 21 Mpa (3000 psi). The entire construction process for each of the projects included in the IDIQ, shall comply with NSR-10 requirements or current standard, specifically Chapters C.1 - General

Requirements, C.3 - Materials, C.4 - Durability Requirements, C.5 - Concrete Quality, Mix and Laying, C.6

- Straightedges, Embedded Pipework and Construction Joints, and C.7 - Reinforcement Details, all in accordance with Chapter C.2 - Definitions.

1.9 Reinforcement:

The reinforcement that the Contractor shall use (420 Mpa.) on the different concrete structures shall be as specified for this type of structure in the NSR-10 or current standard. In the case of the electro-welded mesh, the Contractor shall include it in the price of the respective item required, based on the design and recommendations by the manufacturer.

1.10 Concrete sidewalk and floors:

The Contractor shall include the construction of concrete sidewalks and floors in accordance to the dimensions indicated on the attached architectural and structural drawings.. The Contractor shall use concrete with a minimum strength of 21 Mpa. (3000 psi) and with a minimum thickness of 0.12 m, with electro welded mesh of 4 mm The Contractor shall use for curing of the concrete a curing membrane like white “antisol” or similar.

The Contractor shall fill all the joints with joint sealant material “Sika” or similar. The minimum depths of the excavations shall be 0.30m for the concrete slab and sidewalks. The Contractor shall perform the filling with approved filling material, compacted in maximum thicknesses of 0.15 m, until a 95% of the modified proctor is achieved. The Contractor shall execute minimum 3 densities by each 15 cm layer as required. The cost of the concrete floor /sidewalk includes expansion joints, filling joints with a brushed finish and smooth edge

2. STRUCTURE

2.1. Metallic Structure:

The Contractor shall supply only qualified personnel for the manufacturing and welding of the main metallic elements of each building and only appropriate tools shall be used, with previous authorization.

In the event that any material or manufactured element is defective, due to bad quality raw material or inappropriate installation or due to any other reason, not meeting with the specifications and/or designs, the Contractor shall correct this with no additional cost to the US Government. The Contractor shall change or correct all materials or elements that have been rejected or that require correction.

The Contractor shall properly finish the structural elements that are visible and shall use C-studs.

The Contractor shall use thin hot rolled sheets ASTM A-1011 Grade 50 with values of Fy=35.15 Kg/mm², Fu=45.70

Kg/mm² and a minimum elongation of 20% for the metallic sections of the straps and the beams of the building and shall meet the requirements demanded for materials allowed for this used and specified in the NSR-10 norm or current standard.

The Contractor shall protect the structure using a corrosion protection coating 3mils thick and 2 layers of finishing paint thickness 6 mils with marine type paint.

Unless otherwise specified, the Contractor shall perform all work in accordance with applicable part of the most recent editions of the norms indicated below, complemented with particular specifications of the contract and the ones indicted in design.

Seismic resistant constructions Norms NSR-10 title F or current standard.

A.I.S.C. - "Specification for the Design, Fabrication and Erection of Structural Steel for Buildings"; ASD/LRFD.

A.W.S. "American Welding Society Specifications".

A.S.T.M "American Society for Testing and Materials".

S.S.P.C. "Steel Structures Painting Council".

ICONTEC Normas 1920, 1950, 1971 y 1985.

ANSI “American National Standard Institute”

2.2. Concrete Structure

2.2.1. Upper beam:

The contractor shall perform the construction (Equipment, forming, placing, levelling and smooth finished) of concrete upper beams as shown in the drawings, with a strength of 21 Mpa (3000 psi); the rebar for these beams shall be installed as is indicated in the attached structural drawings.

2.2.2. Reinforcement:

The reinforcement that the Contractor shall use (420 Mpa.) on the different concrete structures shall be as specified for this type of structure in the NSR-10 or current standard. In the case of the electro-welded mesh, the contractor shall include it in the price of the respective item required, based on the design and recommendations by the manufacturer.

3. ROOF:

3.1. Roof tiles:

The Contractor shall supply and install factory finished galvanized corrugated metal Thermoacustic panels roof type sandwich. The Contractor shall include roof paneling system for the building and for the sidewalk area (see attached architectural drawings).

The Contractor shall take into account an independent mechanical system for fixing the joint and an excellent finish for all connections, erections and joints. The Contractor shall include all joints and supporting items from the manufacturer.

In the interior of the warehouse, the Contractor shall have a good aesthetic finish for the roof and the roof shall have an overhang along the two sides as well (Included in the architectural drawings of each of the projects of the

IDIQ). The color of interior and exterior finishing of the roof shall be submitted by the Contractor for the approval of the Colombian Force and the US Government representative.

The contractor shall consider for the finished of the bottom part of the roof that all the ties between walls and covers shall be finished or shall include a molding to assure the good appearance of the space.

4. MASONRY:

4.1. Masonry in block:

The Contractor shall build perimeter walls from floor to roof and the internal walls that divide the spaces inside the warehouse, as shown on the drawings (See structural drawings). The Contractor shall build these walls on 0.40 x

0.20 x 0.20 m concrete block (CMU) type at least 0,20 m wide, plaster with mortar (Proportion 1:3) and minimum thickness of 1.5 cm as show on the drawings (See architectural drawings).

The Contractor shall make the walls of top quality materials stated under each item. Block dimensions shall be homogeneous, with edges well finished and even surfaces (in the case of smooth blocks). The Contractor shall use mechanical cutting of parts. The Contractor shall build the walls at the places shown on the drawings, with plaster on both faces or as per specified in each of the building’s drawings of the IDIQ. Joints shall not be thicker than 1.2 cm or smaller than 0.7 cm. In the case of visible masonry, joints shall be fluted (1 cm deep).

The Contractor shall take into account that the vertical deviation in a wall three meters high or less shall be not more than 3 mm. The Contractor shall use waterproof mortar in the proportion of 1:3 for jointing the CMU. The

Contractor shall paint all masonry facades using waterproof paint high-performance like “sika transparent 10” or equivalent. Where specified, the Contractor shall apply the high-performance coating in an even and uniform manner following the manufacturer instructions; also the Contractor shall not apply the high-performance coating on wet surfaces or until the previous application is completely dry.

The Contractor shall paint interior and exterior walls with white color, subject to approval from the corresponding

Colombian Force and US Government representative.

The Contractor shall include all joints and structural items. Samples shall be submitted for approval before purchasing and installation.

4.2. Clay Brick

When indicated on drawings, perimeter and internal walls will be built from floor to ceiling, or as shown on the plans for each building. These walls shall be built as follows:

• 30x12x20 cm. clay block type “Santafe No. 4” or equivalent at least 0,12 m wide, plaster on both sides with mortar 1:3 thickness 1.5 cm. minimum.

• Clay bricks with light structure or equivalent to the dimensions: 0.245m x 0.12m x 0.06m. “Tolete prensado liviano Santafe or equivalent”.

The totality of the walls will be executed with prime quality material of uniform dimensions in perfect condition.

The height, the number of rows and placement will be done in accordance to the corresponding facade cuts.

Walls will be made of the top quality materials stated under each item. Block and or brick dimensions will be uniform, with edges well finished and surfaces even (in the case of smooth blocks). Mechanical cutting of parts will be used. Walls will be built at the places shown on the plans, with both faces plaster. Joints should not be larger than 1.2 cm. or smaller than 0.7 cm. In the case of visible masonry joints, joints will be fluted (1 cm. deep) or rimmed as per indicated on drawings . Any deviation from the vertical in a wall three meters high or less will be not more than 3 mm. either way. Sticking mortar in the proportion of 1:3 will be used

The cost of walls shall include all joints and structural items. Samples should be submitted before purchasing and installing them for approval.

5. PREFABRICATED PVC WALLS (AZEMBLA TYPE OR SIMILAR)

5.1. Prefabricated PVC Modular Building System

Contractor will construct as the project and as shown on the drawings using a prefabricated PVC e-100 mm or equivalent building that is easy to assembly and dismantle and which has been designed to have heavy duty materials; transportation and relocation, accessories shall be firmly fixed in place so they cannot be removed easily, especially those on the outside of the building. The construction shall be completely hermetic, and the materials should be capable of withstanding a tropical rainy climate. The project shall comply with Fire Standards and shall be designed in line with the current version of the Colombian Seismic Resistance Code (NSR Standard, 2010).

Contractor will provide construction equipment and personnel for assembling the building on site as quickly as possible. Contractor will use the same prefabricated panel in PVC or equivalent for exterior and interior walls; and shall adapt the design to the construction. Samples shall be submitted for approval before purchasing and installation.

6. FLOOR AND WALL FINISHES

6.1. Ceramic tile

The Contractor shall install ceramic tile in the interior bathrooms at all the height of the interior walls or as specified on drawings. The Contractor shall include waterproof plaster in the price of the tile activity, as well as suitable material for bonding the wall tiles, joint sealer, plastic molding (wines, if required), etc. Samples shall be submitted for approval before purchasing and installation.

6.2. Floor tiles:

The Contractor shall install ceramic floor tiles inside the bathrooms area, non-slippery, commercial traffic 5, with the corresponding ceramic tile skirting. The Contractor shall include floor-tile bonding material and joint sealing material. Samples shall be submitted for approval before purchasing and installation.

6.3. Granite tile / high traffic commercial floor:

The contractor shall install a high commercial traffic granite tile floor finished for the interior as follows:

• Interior of all PSIB modules, and laundry areas.

• Kennels: The nursery and sleeping room with the exception of the restroom. The proposed color of the flooring shall be agreed with the Colombian Force and US government representative.

• Interior of the Multipurpose building

The contractor shall apply an insulating material and/or a leveled bonding material between floor and finished floor, in order to ensure stability and avoid the floor expanding or lifting as a result of changes in temperature. Skirting shall be installed according to manufactures instructions with visible joints, installed in all areas, except in the bathrooms where ceramic tile will be placed. Samples shall be submitted for approval before purchasing and installation.

6.4. Waterproof Plaster for Inside Floors.

This work includes 1:3 plaster with integral ‘’ or similar waterproofing. It includes linear meters, edges and expansion joints. To be applied on:

• PSIB, Kennels, Warehouse and Multipurpose Building: All the interior walls from floor to end of wall height or as per indicated on each of the buildings drawings. Plaster thickness: 1.5cm

• Kennels: The floors of each kennel with a 2% slope towards the exterior as shown on drawings. The food storage area, and the electrical closet area. Minimum plaster thickness 1.5cm include a half-rounded floor-wall molding.

6.5. Removable concrete prefabricated grills for drainage pits (Kennels)

The Contractor shall supply and install a prefabricated removable concrete grille above the drainage pit, in front of the kennels as per indicated on drawings,

6.6. Walls: Plaster proportion 1:4 Thickness 1.5 cm including edges and expansions joints.

The Contractor shall execute all of the openings and duly system testing for the electrical, hydro-sanitary, gas, telephone, TV, etc. installations before applying the plaster for the walls. The Contractor shall clean the walls and verify that they are free of grease or mortar remaining from the execution of the masonry. The walls shall be moisturized in order to apply the plaster. For straight walls and in order to obtain perfectly straight and adjusted mortar, the Contractor shall implement vertical master guides with a maximum separation of 2.00 m between each guide. After the initial setting of the master guides, the Contractor shall apply the mortar against the wall using a trowel and leveling with aluminum straightedges supported on the master guides.

Once the setting of the mortar has started, the Contractor shall smooth the plaster using a wooden trowel and a mixture from the same plaster in order to fill cracks or porosities. Maximum average thickness for the plaster shall be 1.5 cm. The Contractor shall verify that the finished surface has a perfect plumb line and that it is completely smooth.

6.7. Stucco including edges and expansions joints.

The Contractor shall supply and install the stucco along the plastered areas from floor to ceiling or slab and only apply the stucco on the PSIB administrative areas or as per indicated on each of the IDIQ building’s drawings. The

Contractor shall verify that the stucco is completely smooth and free of imperfections before interior painting is done. Samples of finished surface shall be submitted for approval before installation.

6.8. Vinyl Paint on Exterior High-Performance Coating:

The Contractor shall supply and apply three (3) coats of protective vinyl (Pintuco, Koraza Pro 750 type or equivalent) covering, (color, per task order to be defined with the INL representative and the Colombian Force) on the clean and finished surface of exterior high-performance coating along the exterior walls of the building; the

Contractor shall apply the coats in different directions in order to achieve a high-quality finishing. The Contractor shall include the paint of window and door interior bays, plaster under the concrete slab, cutting edges, expansions joints, etc. The contractor shall apply this paint for the whole exterior surface of façade, at the heights indicated on drawings, after that the high-performance coating finishing is completed.

6.9. Vinyl Paint on Stucco:

The Contractor shall supply and apply three (3) coats of white paint brand Viniltex type 1 Pintuco reference 1501 or equivalent on the clean and finished surface of interior plaster along the interior walls of the buildings as follows or as per indicated on drawings;

• PSIB: The offices and administrative areas of the administrative building.

• Kennels: The sleeping room and nursery

• Multipurpose Building: All interior perimeter, cafeteria and technical room walls.

• Other projects: As per indicated on drawings

The Contractor shall apply the coats in different directions in order to achieve a high-quality finishing. The

Contractor shall include the paint of window and door interior bays, plaster under the concrete slab, cutting edges, expansions joints, etc.

6.10. High-Performance Coating façade:

The Contractor shall apply a High-performance coating material along the walls of the façades of the PSIB buildings and Multipurpose buildings and as per indicated on drawings, in the color chosen by the corresponding

Colombian Force and the US government representative, based on samples submitted previously by the Contractor.

The Contractor shall carefully clean all surfaces to be painted; with a dry cloth in order to remove dust, and warrant that they are free of grease and waste. The Contractor shall repair gaps and holes on the finished plaster surface before the application of the high-performance coating, showing a completely leveled, uniform and smooth finishing. If the finished high-performance coating surface is not acceptable in accordance with the opinion of the

US Government representative or when it shows spots or undulations, the Contractor shall remove the high-performance coating layer and apply a new high-performance coating finishing with no additional cost to the US

Government.

The Contractor shall apply the high-performance coating in an even and uniform manner following the manufacturer instructions; also the Contractor shall not apply the high-performance coating on wet surfaces or until the previous application is completely dry.

6.11. Epoxy paint “Rust Oleum S40” or equivalent

Epoxy Grey “Rust Oleum S40 or equivalent “ to be applied on the floors of the kennels, the electrical and storeroom spaces and all the interior walls of the kennels up to the height indicated on drawings. The manufacturer’s instructions should be followed when this paint is being applied, and the floor should be given a soft texture so that the animals’ feet do not get hurt.

6.12. Anti-Humidity Paint for Frontage.

The contractor should supply a water repellent for frontages such as TRANSPARENT ‘SIKA’ 7W CO or equivalent . This finish should be applied to all exterior walls excepting the walls with High performance Coating.

Apply according to the manufacturer’s recommendations. The cost includes edges and expansion joints.

6.13. Anti-Corrosive and Gloss Paint on Metallic, Platens, Angles and Metallic Accessories

The contractor should apply anti-corrosive paint and two coats of gloss paint, ‘Pintuco’ or equivalent. Colours approved by the contracting party, to all metal items like door and window frames, meshes, etc. The cost of this activity will be included in each metalwork item, and no separate payment will be made unless otherwise stated.

6.14. Mineral Fiber Ceiling

The Contractor shall supply and install a 'Celotex' mineral- fiber ceiling with a sand texture and indented edge, or

USG equivalent, with suspension tape and supported on 1-inch x ¾-inch visible and automatically-assembling metal profiles, and with a white electrostatic paint finish for:

• PSIB: The offices and administrative areas of the administrative building.

• Kennels: The sleeping room, bathroom and nursery

• Multipurpose Building: As per task order according to the specific use

Or as per indicated on drawings. The Contractor shall verify that the ceiling profiles are indented from the ceiling panels, and that the ceiling sheets measure 0.60 m x 0.60 m. The Contractor shall verify that when ceilings are being fitted the small pieces or sections of panels of less than one third panel size shall not be accepted. The

Contractor shall guarantee that the Ceiling is appropriately leveled, and with well-finished joints between profiles.

The Contractor shall follow the manufacturer's instructions for storing, transporting and fitting of the ceiling. The contractor shall leave on site an amount equivalent to 3% of the quantity of the “Celotex” sheets for replacement purposes and effects, together with profiles so that maintenance or repairs can be done in the future.

7. ELECTRICAL INSTALLATIONS

Electrical Standard Scope

Any electrical installation, which shall be done by the Contractor, shall comply with the following electrical standards: NTC 2050 last upgraded version included but not limited to chapters 1,2,3,4 and section 645,NEC 250 last version upgrade, NTC 3471/UL 67, EIA/TIA 607, EIA/TIA 568-569 last version upgraded, ANSI/IEEE

C62.41-C62.45, NEPA 780, NTC 4552, IEEE-80, IEEE-77 and RETIE (Colombian Electrical Code) last version upgraded. The Contractor shall include in his proposal catalogs and technical sheets of materials, parts and elements to be used in the project. The Contractor shall use a qualified Electrical/Electronics Engineer, who shall manage and control the execution of the electrical and communication work. The proposed Electrical/Electronics Engineer shall also sign the installation conformity and material conformity acts requested on RETIE. The Contractors shall include in his proposal the curriculum vitae of the proposed engineer.

7.1. Main circuit branch - Incidental Design

The Contractor shall supply and install for each Task’s Order building a new main circuit branch, running from the existing power source, which shall be provided for each project by the corresponding Colombian Force. The cabling installation shall be done according to indications done on the Task Order’s specific drawings. The estimated distance between new electrical panel board to be provided and installed and the existing power source shall be verified by the contractor during the site visit for each Task Order. The Contractor shall verify such distance for his proposal.

7.2. Main Electrical Circuit board –Incidental Design

The Contractor shall supply and install a new electrical circuit board, for each of the Task Order projects which allow the electrical distribution for the proposed services on the new facilities. The new panel board shall have space for the main breaker, barrages for phases, neutral and ground (copper). The phases’ barrages shall be protected by an acrylic sheet or any other RETIE certified mechanism, in order to avoid direct manipulation (Dead front).

The new panel board to be supplied and installed shall be in metal and it shall comply with Colombian standard

NTC 3475 or US standard UL67.

The Contractor shall install the new main breaker and the secondary circuit breaker protections for the new facilities.

The new breakers shall be new brand and RETIE certified. The new panel board shall count with a power meter reference PM820 or equivalent, which shall be supplied and installed by the contractor.

In general the new main electrical circuit boards for the projects shall also have a TVSS unit class C, which shall comply with US standard ANSI/IEEE C62.41-C62.45, interruption capacity up to 200KA, protection modes L-L-

L-N, L-G, reject filtering rated > -30dB, led indicator of status, operational voltage 208VAC/120VAC, response time < 100nSeg and three pole system The units shall be installed internally or externally as per indicated on drawings. The Contractor shall annex in his proposal the NEMA LS-1 format, specifying the equipment’s technical sheet to be supplied and installed.

The new panel boards for each of the Task Order projects shall be placed into a metallic enclosure IP 66, NEMA

3R, which shall be supplied and installed by the awarded contractor. The new enclosure shall have frontal door, lock, inspection window and external signaling according to RETIE.

The wiring connection with junction box CS 274 shall be done by means of PVC EB tubes and terminals (chamber type and “elbow” if required).

7.3. Secondary distribution panel boards- Electrical cabling

The Contractor shall supply and install the electrical wiring system, which is required for each secondary panel board. The new cabling to be used shall be type AWG THHN/THWN.

The Contractor shall supply and install the distribution piping system, which shall be made in PVC EB. The new raceway shall comply with Colombian standard CS 208. The Contractor shall use the same Colombian standard

CS208, even if the tube to be installed is 1 ½ inches gauge.

The secondary electrical panel boards shall be connected to the distribution panel board by using a PVC EB embedded tube in the wall.

Per task order and according to site conditions, the Contractor shall supply and install an underground raceway system according to Colombian standard CS20,, PVC EB type, new brand COLMENA or equivalent and shall be certified by RETIE. The underground raceway to be deployed shall come with a safety tape as indicated by

Colombian standard CS273. The extremes of the ducts to be installed shall use bell ends which shall be located on each junction box. The Contractors shall seal the electrical tubes to avoid the entrance of animals, insects or water and it shall be done according to Colombian standard NTC 2050-305.G.

7.4. Junction boxes for secondary circuit panel boards

The Contractor shall supply and install new junction boxes, which shall be constructed according to Colombian standard CS274, CS275, CS276.

7.5. Secondary circuit- Electrical wiring

The Contractor shall supply and install the new cabling system for each of the new circuit on the new facilities. The expected wiring shall be type THHN/THWN AWG 3XNo.12.

7.6. Secondary circuit- raceway and ducts

The Contractor shall supply and install PVC EB ducts, caliber ¾ inch, and EMT ducts ¾ inch for exposed piping installation. The Contractor shall apply the raceway system to all new facilities according to distribution shown in the drawings. The new raceway shall run up to each duplex receptacle, socket, light switch, GFCI receptacle, air conditioning units and fans among other electrical devices specified in this SOW. The raceway for secondary system shall have metallic junction boxes, 0.10 m x 0.10 m each one, which shall be embedded or exposed as indicated on

Drawings.

The Contractor shall supply and install a metallic raceway, which shall be placed such as shown on drawings. The new metallic raceway shall have a metallic splitter, providing two cavities, one for electrical wiring and the other one for data wiring. The new raceway to be installed and supplied shall be electrostatic painting type, 15cm x 3cm, with special treatment to prevent corrosion (due to local environmental conditions). The Contractor shall install the new metallic raceway along the walls and over the baseboard.

7.7. Single-phase receptacle with grounding pin

The Contractor shall supply and install single-phase receptacles duplex type, 120VAC/20A, white color, NEMA 5-

20R, which shall be distributed according to drawings. The new receptacles to be provided and installed shall be placed 0.40 m over the finished floor level (Excepting those installed in the metallic raceway, see single-phase isolated grounding pin receptacle). The Contractor shall mark the new receptacle according to US Government

Representative instructions. The new receptacles shall be certified by RETIE.

7.8. Single-phase isolated grounding pin receptacle

The Contractor shall supply and install single-phase receptacles duplex type, 120VAC/20A, NEMA 5-20R, orange color, hospital grade, isolated grounding pin, which shall be distributed according to drawings. The Contractor shall perform the distribution along the new raceway. The new receptacle shall be marked according to US Government representative instructions. The new receptacles shall be certified by RETIE.

7.9. Single receptacle

The Contractor shall supply and install single-phase receptacles single type, 120VAC/20A, NEMA 5-20R, white color, grounding pin, which shall be distributed according to drawings. This item is required to connect fluorescent lamps 4X17W exclusively.

7.10. GFCI receptacles 120VAC/20A

The Contractor shall supply and install single phase receptacles duplex type, 120VAC/15A, NEMA 5-20R, GFCI class, which shall be placed on the wet areas such as restrooms, laundry and kitchen. For outdoor areas the

Contractor shall supply and install waterproof receptacles and its own outdoor cover. The new receptacles shall include a metallic rectangle box. The Contractor shall install the new receptacles for the restroom 0.20 m. over the sink’s surface level, and the units to be installed on the outdoor areas shall be placed 40cm over the finished floor.

The new receptacles shall be certified by RETIE.

7.11. Lighting Fixtures

The Contractor shall supply and install the amount of lamps as shown on drawings, the contractor shall supply equivalent brands that comply with the same requirements.

7.12. Grounding system

The Contractor shall supply and install a new grounding system. The new system shall be compose of grounding terminals, bared grounding lines and master grounding bar, which the Contractor shall install according to EIA/TIA

607, NTC 2050 and RETIE standards.

The Contractor shall ground the whole electrical network into the new grounding system to be provided and install, in fact all the grounding lines shall be connected into the new Master barrage. The Master barrage shall receive the grounding line that runs from the power substation, secondary distribution panel boards and lightning protection system

The Contractor shall make the new master grounding bar in copper electro-tinned with 15 mm of thickness, 30 cm length and 8 cm width, the new master bus shall have holes, which shall be distanced from each other according to

NEMA standard. The Contractor shall install the new master grounding bar into a metallic enclosure, which shall be installed beside the new main distribution panel board. The new metallic enclosure shall be IP 54 and shall have door and lock. The minimum dimensions are as follows: 0.50 m length, 0.20 m height and 0.15 m depth. The

Contractor shall mark the grounding lines according to marking chapter included in this specification.

The grounding system shall be composed of grounding electrodes, bared grounding lines AWG 4/0 and inspection boxes. The expected grounding impedance value shall not be higher than 2 ohms. The separation between electrodes and inspection boxes is shown on drawings. Each electrode shall include its own inspection concrete box, which shall have a concrete cover. Construction consideration are shown figure No 1.

In case that current soil conditions does not allow obtaining the required impedance value as requested in this specification, the Contractor shall conduct a grounding analysis in order to diagnose the type of soil treatment for being used to improve the expected value of impedance. The contractor shall certify the system by the following specifications:

Impedance value according to IEE 142-4.1.2

Electrodes material NEC 250-52-c (2)

Electrodes size and diameter NEC 250-52-c (3)

Electrodes separation NEC 250-56

Connection quality NEC 250-70

Conductor’s gauge network NEC 250-50 (d)

Conductor’s gauge for grounding NEC 250-66C

Conductor qualities NEC 250-50

Low power interconnection NEC 250-68

Electrodes accessibility NEC 250-68

Grounding barrage EI/TIA 607-5.4

Flowing current IEEE 1100 table 4.3

The electrodes shall be caliber 5/8’’, 2.44 length, copper 99%. The grounding line shall be made in copper AWG

No. 4/0. Drawing E007 depicts grounding location.

Note: The electrodes’ inspection cavities shall contain a soil treatment such as Favigel or Hidrosolta, in order to improve soil conductivity and homogeneity features.

Figure No. 1

7.13. Grounding system for secondary panel boards

The Contractor shall ground the new secondary circuit boards by a line that shall run from the main distribution panel board to be installed and provided by the awarded contractor. The Contractor shall connect the secondary

30 cm

20 cm

Soil level

Soil level inside the cavity

Inspection cavity panel board to a master grounding bar, which shall receive all grounding lines. The Contractor shall supply and install secondary grounding bars, which shall be placed on each of the new facilities. The new secondary grounding bars shall connect the grounding line, which runs from master grounding bar from substation and the new secondary panel board. The new secondary grounding bar shall be made in copper, electro tinned and shall include holes, which shall be distanced each one according to NEMA standard. The new barrage shall be placed into a grounding box and it shall have door and electrical isolators. The new grounding barrage shall have the following dimensions:

3 cm width, 15 cm length and 6mm thickness. Each new building shall have a secondary grounding bus. Drawings depict grounding location.

7.14. Lightning protection

The Contractor shall assess the current conditions on the area, construction type, surrounding constructions and forest and the amount of users, which shall inhabit and work on the new facilities, in order to define, based on a risk analysis, the expected risk factor rate according to Colombian standard NTC 4552. The Contractor shall supply and install a new lightning protection system, which shall be composed by solid electrodes in copper 99.9%, Franklin type, 0,6 m length and caliber 16 mm. The Contractor shall install each air terminal over a top roof base of 0.40 m high. The system shall also have two downpipes, which are done in copper lines AWG No.2/0. The Contractor shall install a lightning system on each new building. The copper ring shall run on the roof and shall be supported by

RETIE certified terminals HLC HX 5/16’’ X 2 ¼ ’’ and GAR Burndy 1626. The Contractor shall rigidly install the electrodes on the roof.

7.15. Marking

The Contractor shall mark the electrical works by means of labels, directories and electrical drawings shall be placed on site. The Contractor shall provide 10 pounds fire extinguishers according with NFPA regulations, type ABC, including signaling icon and wall marks. After the finishing of the work, the Contractor shall provide As-built drawings including electrical diagrams, wiring gauges, pathways. The Contractor shall include the technical information from each installed device.

7.16. Warranties

The Contractor shall include the preventive, maintenance service, three on-site visits during warranty time (one year), including preventive maintenance to AC system.

7.17. Grounding lines’ labeling

The Contractor shall mark the grounding lines which are running from the main distribution panel board.

These marks shall be done in solid plastic, 5cm x 3cm, fonts colored in red and background colored in yellow.

7.18. Panel board labeling

The Contractor shall mark the main distribution panel board, and the breaker on the main power source panel board and their breakers. All marks shall be done in solid plastic, fonts colored in white and background colored in black.

The dimensions shall be as follow:

10 cm x 5cm, for the main distribution panel board

5 cm x 3 cm, for each distribution panel board

5 cm x3 cm, breaker on the substation; main panel board

All panel boards shall have their own single diagram, load diagram and all circuits shall be labeled.

7.19. Junction boxes labeling

The Contractor shall mark the new CS274 junction boxes by using a metallic mark, size 10 cm x10 cm and low relief. The Contractor shall mark the inspection cavities for the grounding system by using a metallic mark, size 5 cm x 5 cm and low relief.

7.20. Metallic enclosures

The Contractor shall label all metallic enclosures by using solid plastic marks, fonts colored in white and background colored in black. The contractor shall also use safety signaling for the panel boards’ doors.

7.21. Marking codes

The Contractor shall submit the texts and fonts to be used in the project by the Contractor, in order to get the US

Government representative approval.

7.22. Generator set and ATS

The contractor shall provide and install a generator set properly sized with corresponding automatic transfer system as per attached drawings.

8. MECHANICAL INSTALLATIONS

8.1. Air Conditioning Units

The Contractor shall provide Air…