Attachment_1_-_Performance_Technical_Specifications.pdf

Renovation of Primary School in Troyan Troyan (Bulgaria)

BU-HA-2013-21986 Version: 001

EUCOM Humanitarian Assistance Program

Renovation of

PRIMARY SCHOOL IN TROYAN

BULGARIA

BU-HA-2013-21986

October 2013

1. TAXATION

In accordance with Agreement between the Government of USA and the Government of BU on Defense Cooperation this contract is exempt from VAT. The contractor shall be responsible to prepare and process all required documentation to obtain the VAT exception from the Government of Bulgaria. For this reason, the contractor shall work directly with the corresponding authorities from Bulgaria, US Forces and the US Embassy".

3. PROJECT DESCRIPTION

THE CONTRACTOR SHALL PROVIDE A COPY OF CONSTRUCTION PERMITS TO BE PROVIDED BY

THE COMPETENT LOCAL AUTHORITIES BEFORE WORK IS AUTHORIZED TO START. CONTRACTOR

WILL COORDINATE WITH LOCAL AUTHORITIES AND WILL PROVIDE ALL REQUIRED

DOCUMENTATION IN ORDER TO OBTAIN THE CONSTRUCTION PERMIT THAT MAY BE REQUIRED

FOR THE SCOPE OF WORK INCLUDED IN THIS PROJECT. CONTRACTOR SHALL COORDINATE THE

PROCEDURES TO SUBMIT THE DOCUMENTATION TO THE MUNICIPALITY WITH COMPETENT LOCAL

AUTHORITIES.

2.1 GENERAL SCOPE OF WORK

The Work included under this contract includes the necessary designs and construction for the alterations, modifications and improvements to indicated areas in the interior and exterior of the indicated Primary school in Troyan. It is necessary that the bidders visit the construction site before they submit their bids in order to verify existing conditions, and to measure and quantify the work required to complete this project in accordance with these PTS.

The main building of the school is a historical building, although it is not legally classified as such.

The building is located approximately 100 meters away from the City Hall. They currently have approximately 300 students from 6 to 14 years old.

This contract includes the execution of the work outlined in these documents including roof replacement and repairs, façade restoration, replacement of some windows and doors and under Contract Option-1, the complete replacement of the gymnasium room which should be converted into a modern multipurpose room.

Note: There are numerous pictures in this contract to better describe the scope of work.

These pictures were taken on 07 June 2013. The pictures do not guarantee the existing conditions of the buildings at the time to prepare the bid for the contract, and they are only a tool to describe the responsibilities of the contractor. The contractor is responsible to visit the school in order to measure and quantify the required work, as well as to verify the existing conditions, prior to the submission of their proposal.

Picture#1: Location of Troyan in Bulgaria

Picture#2 : Aerial view of the facility.

LOCATION OF THE PROJECT

2.2 STRUCTURE OF THE CONTRACT

The work is divided into a Base-Bid and Contract Option-1. The Base-Bid is the minimum part of the project that will be awarded to the construction contractor. The award of Contract Option-1 will be unilaterally decided by the US Government based on availability of funds as well as other factors.

The contractor shall provide separate pricing for the Base-Bid and for Contract Option-1, as required by the solicitation documents.

BASE-BID

Work described in paragraph 3

OPTION-1

Work described in paragraph 4

Roof replacement and repairs Façade restoration and other exterior repairs

Complete repair of Gymnasium room to be converted into multipurpose room

Picture#3 : Aerial view of the facility.

3. BASE BID – ROOF AND FAÇADE AND OTHER REPAIRS TO BUILDING

ENCLOSURE.

The Base-Bid includes the works described in this paragraph and its subparagraphs, in order to replace or renovate the existing roof and provide new exterior façade with replacement of remaining wooden windows and the additional work detailed in this document.

3.1 ROOF REPLACEMENT / RENOVATION.

The Base-Bid includes the roof replacement or renovation or improvements as detailed herein. The building has 4 types of roofing cover:

- Old ceramic tiles: This corresponds to the area highlighted in green in picture#3. This roof shall be completely removed and replaced with new with different (higher) sloped roof.

- New ceramic tiles: This corresponds to the area highlighted in yellow in picture#3. This roof shall not be altered or modified as part of this contract, with the only exception of the joints with the roof to be renovated and gutters and downspouts.

- Asbestos corrugated sheet roofing:

This corresponds to the area highlighted in blue in picture#3. This roof shall not be altered or modified as part of this contract, with the only exception of the joints or connection with the new roofing and the new gutters and downspouts. This contract does not include any asbestos handling, abatement or removal. Any modifications to the existing roofing requiring handling of the asbestos containing material shall be done by the Municipality.

The contractor shall coordinate with the Municipality any work required on this roofing, with at least 2 weeks advance notice.

- Asphalt sheet roofing: This corresponds to the area highlighted in red in picture#3. This roofing shall be completely replaced with new asphalt sheet roofing.

Picture#04: Typical Bulgarian roofing system

3.1.1 Area Requiring New Ceramic Tile Roof

The area highlighted in green in picture#3 shall be completely demolished and a new ceramic tile roofing system shall be provided.

The existing roof sheets are made of ceramic tiles. No asbestos containing materials are expected to be found in this area. If during the removal of the existing roof any asbestos containing material is found, or any material that could potentially contain asbestos, the contractor shall immediately contact the Contracting Officer. The removal of any material potentially containing asbestos is not included in this contract. If any material which could potential contain asbestos is found, it will be handled and removed by the local authorities. However, it is included in this contract the potential coordination that may be necessary with the local authorities for this removal.

The Base-Bid of the contract includes the design and construction for the complete replacement of the roof, including its structure, gutters, downspouts, structure and tiles. The new roofing system shall be designed by the architect hired by the contractor, but for estimating purposes, the contractor shall estimate that the new roofing system will include the following elements included in picture#04 below:

Basis of Design:

- Full compliance with Bulgarian regulations

- Traditional Bulgarian Roof

- 10 year warranty against any water infiltration and defects in the gutters and downspouts

- New traditional Bulgarian ceramic tiles.

- Reinforced concrete ring around the perimeter.

- Minimum slope 30 degrees (57.73% slope)

- Removal of all internal wooden partitions (rooms) within the area under the existing roof that may interfere with the construction of the new roof supporting structure.

- Provide minimum of 12 roof dormers for lighting and ventilation

For this reason, the contractor shall perform the following works with the following requirements:

- Perform a design for the new roof. This design shall be properly certified as required by Bulgarian regulations. The design shall analyze the existing building conditions to hold the structure of a new roof, the impact of removing the existing roof structure, the uplift forces and the required phasing of the work. Once the design is completed, the contractor shall provide a copy of the Construction Permit to be provided by the corresponding competent Bulgarian authority, stating that they have reviewed the design and they authorize its construction.

- The slope of the new roof shall be the minimum of 30 degrees (57.73% slope).

- Design and provide a minimum of 12 roof dormers on the new roof as shown in picture#14 and #16-b. Provide for ventilation of the roof and for esthetics of the building, but provide with metal screens to avoid birds from getting inside the roof when windows are opened.

Windows shall be PVC framed with minimum 5 chambers, with double glazing (4-16-4).

- Provide an eave (or roof overhang) of similar dimensions as the existing one. Horizontal projection of the new roof shall be similar to the horizontal projection of the existing one.

- Remove existing roof tiles, structure, gutters and downspouts. Any required scaffolding and all fall protection systems shall be in accordance with the requirements of this contract. All removed roof tiles are the property of the contractor.

- Remove internal partitions as necessary for the construction of the new roof structure, and clean all flooring surfaces in coordination with School Director. Partitions not interfering with construction shall be left in place. Any existing materials shall be property of the School Administration. Anything not wanted by the School Administration shall be properly disposed by the contractor. All in compliance with Bulgarian regulations in general and in compliance with Bulgarian Fire Code in particular.

- Remove as necessary the stacks/chimneys no longer in use to provide the appearance of a completely new roof. Repair and extend those stacks in use.

- Construction of a new reinforced concrete ring around the perimeter of the facility, supported by the existing walls and building structure. This shall be designed and built by the construction contractor as required by Bulgarian regulations in order to maximize structural stability of the new roof structure and to allow for perfect sealing between new roofing and building walls.

Picture#5 : Typical Bulgarian roofing tiles

- Provide new roof structure (wood or metal). Any wood to be used shall be treated against fire and termites.

- New roof tiles: The contractor shall provide new traditional Bulgarian roof tiles similar to the ones shown in picture#5. The removed roof tiles shall become the property of the contractor.

- Provide vapor barrier under the new roof system. The contractor’s architect shall design the roof with the necessary vapor barrier, protected from the sun and not visible from the area under the roof. To be provided between the roof tiles and the thermal insulation.

- Provide new thermal insulation (minimum R-30) under the vapor barrier under the ceramic tiles (not on the floor), properly supported by solid cover, consisting of minimum 15 cm thick thermal insulation. Thermal insulation shall not be visible from the area under the roof. The thermal insulation shall not be laying on the floor. The floors under the new roof shall be perfectly accessible at all locations and available for storage or any other use that the School may consider. For that reason, the floor shall be cleaned solid concrete, not thermal insulation.

- Provide snow stops.

- Install a lighting protection for the roof in strict compliance with applicable Bulgarian Electric

Code. Provide a new grounding system (<5Ω).

- Provide new gutters and downspouts. Gutters to have minimum 2% slope. Use PVC coated aluminum. Provide around the perimeter of the roof.

- Provide electrical lighting. Due to the limited and restricted use of this area, incandescent lighting system is authorized. Switch to be located on the roof, within 20 centimeters of the roof entrance. Cables to be installed inside electrical conduits.

- Provide a 10 year written warranty against any water infiltration or evidence of humidity in the ceilings of the building and on the gutter and downspout system. Warranty letter shall be provided from the contractor to the Director of the School and to the Municipality, with a copy to the Contracting Officer.

- Provide roof dormer for ventilation, provided with screens to avoid birds from getting inside the roof when the windows are open. Windows to be thermally insulated, using 5 chambered PVC profiles and double glazing. Provide

- The roof area shall be designed to be used as general storage. For that reason, once completed, all areas under the new roof shall be accessible from the entrance. The floor and all surfaces shall be vacuum cleaned in order to be usable as general storage. The construction of internal partitions, that may have to be demolished in order to build the new roof structure, to substitute the existing ones, is not part of the contract.

The contractor shall phase the work as recommended by the architect/designer, in order to minimize potential additional damages to the inside of the building as a result of the roof replacement. The contractor is responsible to protect the inside of the building during the performance of roof work, and to repair any damage that may have been caused by the result of their work, including any water infiltration during roof replacement.

The licensed architect responsible for the design of the roof shall among other responsibilities:

- Sign any portion of the invoice that involves payment for any roof work, including an statement indicating that the roof work was performed as required by his/her design.

- Provide a final certificate at the completion of roof works certifying that all works were executed and completed as required by his/her design and as required by Bulgarian Code.

- Payment over 80% for the roof shall not processed until a copy of the final certificate and a copy of the warranty letter are not provided to the Contracting Officer.

Picture#08: General condition of existing roof to be demolished and replaced with new.

Picture#06: Existing roof seen from the front of the school

Picture#07: General condition of existing roof to be demolished and replaced with new.

Picture#09: Existing perimeter wall requiring reinforced concrete beam.

Picture#10: Condition of inside of the roof (all to be removed). Provide reinforced concrete ring in the perimeter of the building.

Picture#11: Existing conditions inside the roof.

Picture#12: The masonry stacks are to be removed if no longer in use, or repaired and extended if in use.

Picture#14: Typical example of dormers required for roof ventilation.

Picture#13: Definition of roof eave.

Picture#15: Typical required finish of the inside of the roof (if metal support structure is selected). Thermal insulation to be covered and supported by solid cover.

Picture#16: Typical roof thermal insulation support installation

Picture#16-b: Typical structure for roof dormer

3.1.2 Area with Recently Renovated Ceramic Tile Roofing

This corresponds to the area highlighted in yellow in picture#3. It is the intent of this project not to alter or modify any recent renovation perform by the Municipality. For this reason, this portion of roof shall not be altered or modified as part of this contract, with the only exception of the joints with the roof to be renovated and the replacement of the existing gutters and downspouts. The design of the new roofing system shall include the proper joint and coordination between the new roofing and the roofing to remain.

Picture#18: Section of roof not to be altered. Replace gutters and downspouts. Provide perfect watertight transition between new roof tiles and existing roof tiles to remain. In ellipse the transition zone.

Picture#17: Section of roof not to be altered. Replace gutters and downspouts

3.1.3 Area with Asbestos Containing Corrugated Roof Tile Roofing

This corresponds to the area highlighted in blue in picture#3. This roof shall not be altered or modified as part of this contract, with the only exception of the joints or connection with the new roofing and the new gutters and downspouts. This contract does not include any asbestos handling, abatement or removal. Any modifications to the existing roofing requiring handling of the asbestos containing material shall be done by the Municipality. The contractor shall coordinate with the Municipality any work required on this roofing, with at least 2 weeks advance notice.

Picture#19: Section of roof not to be altered. Replace gutters and downspouts. Do not replace of modify these windows.

3.1.4 Area with Asphalt Sheet Roofing

This corresponds to the area highlighted in red in picture#3. This roofing shall be completely replaced with new asphalt sheet roofing.

The contractor shall:

- Remove the existing asphalt sheet roofing system

- Provide a two-ply modified bitumen roof system over new light weight concrete, to be designed by their architect or design team.

- Bitumen Roof layer: Provide self adhesive bitumen waterproofing sheets.

o First layer to be applied over existing cleaned surfaces.

o Second layer to be provided with granular finish with green color.

o Provide manufacturer’s recommended reinforcement along the adjacent walls.

- Replace all downspouts and gutters as required for the ceramic roofing.

- The contractor shall coordinate the waterproofing system with the façade repairs, covered under a different paragraph. The asphalt sheets shall extend a minimum of 50 cm along the adjacent walls, and the actual connection between the wall and the asphalt sheet shall be protected by galvanized metal cover recessed within the renovated wall. The joint between the wall and the asphalt roofing shall be done in compliance with manufacturer’s recommendations.

- Raise bottom of windows`: All windows in this area shall have 40 to 50 cm from the bottom of the window to the top elevation of the roof. See picture#20 for clarification. The requirements for the new windows are covered under a separate paragraph.

Picture#20: Section of roof with asphalt sheets. Replace gutters and downspouts. Reduce the size of the windows so that there is 40 to 50 cm from the top of the roof surface to the bottom of the window.

40-50 cm

Picture#21 : Façade to be restored

3.2 EXTERIOR IMPROVEMENTS: FAÇADE RESTORATION

The Base-Bid includes the restoration of the original building and the additions.

The works includes everything necessary to provide the building with the appearance of a new facility with the existing design. The works include:

- Removing paint and loose plaster. This shall be done by high pressure water washing.

Minimum pressure of cleaning equipment to be 200 kg/cm². It is estimated that in some areas the plaster will be completely removed exposing the structural masonry bricks.

- Removal of special cover of the solid rock at the bottom of the walls. These rocks shall be cleaned with high pressure water and exposed along the perimeter of the building.

- Provide a filling cement based mortar layer in those areas where the mortar was removed as a result of the high pressure water cleaning. This is not required for all areas, only for those where the existing mortar was removed.

- Provide leveling and finishing lime based mortar with similar ornaments as the existing design of the façade. This is required for all façade surfaces. The contractor shall extend the ornamental finishes of the original building into the building extensions, in order to provide the finished facility with an uniform exterior appearance.

- Provide cement base mortar to fill the spaces that could have been opened between the rocks in the bottom of the façade as a result of the high pressure water cleaning. In the building addition walls, where the bottom rocks do not exist, provide a covering layer of special mortar similar to the removed special plaster.

- Provide primer paint coat and 2 additional coats of latex paint in combination of 2 colors for all the façade areas except the exposed rocks at the bottom.

- All existing utilities or equipment supported by the existing façade that are to be reutilized after the contract shall be removed and reinstalled as part of this contract. For example:

electric cables, flag poles, lighting fixtures, school sign, …

Picture#23: Front Entrance and facade

Picture#24:Front façade with exposed rocks to be cleaned Picture#25: Façade of building addition to be provided with same finishes as the original façade of the building.

Picture#26: Façade to be restored, including original building and addition. Both to be restored.

Picture#27: Front façade. Extend the same finishes for lateral and back walls.

Picture#22: Typical ornamental details to be restored to original conditions with lime based mortar.

Picture#29: Section with plaster falling down.

Picture#30: Front façade. Remove everything on the existing façade (flag poles, school sign,…) and reinstall after façade restoration

Picture#31: Lateral façade to be restored

Picture#32: Special plaster on bottom rocks to be removed and rocks cleaned.

Picture#33: Typical façade of building addition to be provided with same finishes as in the front façade, but without the rocks in the bottom.

Picture#28: Section where the plaster is already falling down

Picture#35: Typical façade cleaning with high pressure water. Removing paint.

Picture#36: Typical façade high pressure cleaning.

Removing plaster.

Picture#34: Typical required colors for the finishes of all exterior façade of the building, including the original building and its additions.

Picture#38: Example of required exterior window sill for all windows in the building

3.3 EXTERIOR IMPROVEMENTS: WINDOW SILLS

Most of the existing windows have been replaced by the Municipality, and our project will replace the remaining wooden windows. However, the window replacement performed by the Municipality did not include repair or replacement of the exterior window sills. In order to provide the building with an uniform exterior appearance, it is included in this project the repair as needed of the exterior window sills and its cover with a PVC coated aluminum piece.

This aluminum exterior sill shall be perfectly adhered to the existing façade surfaces and properly sloped away from the building.

This work needs to be coordinated with the rest of façade restoration works.

Picture#37: Existing window sill on one of the windows replaced by the Municipality

Picture#40: Window leaf opening horizontally and vertically

Picture#39: Typical window profile

3.4 EXTERIOR IMPROVEMENTS: WINDOW REPLACEMENT AND

MODIFICATION

Most of the existing windows have been recently replaced by the Municipality. This project includes replacing the remaining existing wooden windows with new windows using 5 chambered PVC profiles and double glazing of minimum thickness 6-16-4.

This project does not include measurements. The Municipality was replacing the windows during the last technical inspection to the school on 7 June 2013. It is the contractor’s responsibility to visit the site and measure the remaining wooden windows to be replaced as part of this project.

The remaining number of wooden windows to be replaced is small. However, the remaining windows include some with special shapes, such as with an arc on the top, which were not replaced due to their relatively higher cost than the regular rectangular windows. New windows shall have the same shape as the existing ones to be replaced.

The windows opening to the asphalt roofing area shall be modified in order to have a distance of 40 to 50 cm from the roof surface to the bottom of the windows. This is to avoid any possibility of water getting into the building and to allow for a perfect sealing between the walls and the new roof asphalt waterproofing.

New windows shall have the same operation as the new PVC windows recently installed by the Municipality. However, opening window panels shall open horizontally and vertically.

The contractor shall make the required adjustments and repairs to the window wall opening before installing the new windows. The contractor is responsible to visit the site, to take note of the existing conditions of the window openings and to make all required measurements to quantify the amount of work required by this contract.

The contractor shall completely remove all the exterior wooden, including all framing, trims, anchors and supports.

This includes windows of several sizes, that the contractor will have to quantify and measure prior to submitting their bid. The contractor shall replace the wooden and metal windows with new PVC framed windows (minimum 5 chamber profiles) with double glazing of minimum (6-16-4).

The new PVC windows shall be perfectly finished inside and outside. The joints between the building and the windows shall be perfectly sealed as seen in pictures below for a typical installation. Contractor to provide PVC sill inside as seen in the pictures below and outside sills made of PVC coated aluminum.

Picture#41: Typical exterior PVC window installation

Picture#42:Typical PVC window installation. Seal all areas around new windows. Foam not exposed

Picture#43: Typical PVC window installation with new PVC sill inside and aluminum outside.

Picture#44: PVC sill inside and aluminum outside.

The contractor shall repair, patch and paint as necessary in order to restore everything to the original conditions. There shall be no difference between the existing internal walls and the repaired surfaces.

Picture#46: Remaining wooden windows. New windows to have the same shape as the existing ones to be removed.

Picture#45: Example of replaced windows not under our contract, and remaining wooden windows to be replaced as part of our contract.

Picture#47: Remaining wooden windows in the back

Picture#48: Example of replaced windows not under our contract, and remaining wooden windows to be replaced as part of our contract.

Picture#49: Remaining wooden windows in the lateral of the building

Picture#50: Remaining wooden windows in the gymnasium

Picture#51: Typical required panic-bar for all exterior doors. (And gymnasium door included in Contract Option-1)

3.5 EXTERIOR IMPROVEMENTS: DOOR REPLACEMENT

Similarly to the replacement of wooden windows, the contractor shall replace 2 exterior metal and wood doors.

The contractor shall provide new thermally insulated PVC doors without bottom threshold. New PVC doors shall be 5 chamber PVC framed and provided with small see through window with 6-12- 6 double glazing.

All doors shall be provided with proper hardware, including door stops, hinges, locks, closers, and panic-bar where required by Bulgarian regulations.

Picture#53: Front door to be replaced

Picture#54: Lateral door to be replaced (near the gymnasium)

Picture#52: Doors to be replaced

Picture#55: Typical similar plaque provided in a different project.

3.6 COMMEMORATIVE PLAQUE:

At the end of the construction works, the contractor shall provide and install 1 commemorative plaque near the main entrance, at the location to be indicated by the Contracting Officer. The plaque shall have the following information engraved on it:

Colored Flag of Bulgaria

Colored Flag of the United States of America

EUCOM Logo

This text: “The Roof and External Façade of this School was accomplished as a partnership between the people of the United States of America and the people of Bulgaria, through the combined efforts of the United States European Command, Office of Defense Cooperation, US Embassy Bulgaria and Municipality of Troyan – Date”

(add the gymnasium if Contract Option is awarded) Same text as above in Bulgarian.

The plaque shall have the following characteristics:

- Fabricated with powder coated aluminum with permanent printed 3.5 cm high, style font

"Arial" letters. Adhesive letters will not be accepted.

- Minimum dimensions 75 centimeters wide by 50 centimeters high. Minimum thickness 8 millimeters

- Resistant to outdoor weather and UV radiation.

- Plaque to be manufactured by specialized company.

- Before purchasing the plaques, the contractor shall submit the design to the Contracting

Officer for approval.

Picture#57: Acceptable man-lift

Picture#58: Required type of scaffold

Picture#56: Required type of scaffold

3.7 SCAFFOLDING

In order to execute the works included in this project, the contractor shall be required to use scaffolding and/or elevating working platforms.

Despite the scaffolds that may be authorized by Bulgarian regulations, the contractor is only authorized to utilize European Standard scaffolds similar to the ones shown in pictures below.

These scaffolds shall be installed and used in accordance with manufacturer’s recommendations. In case the contractor needs to access the façade at any particular point without the need to install scaffolds, the contractor shall use a CE certified self-propelled man-lift, similar to the one shown in picture below. The use of other type of scaffolds, other non CE certified man-lifts, or any type of ladders for façade or roof work, IS NOT AUTHORIZED.

Picture#59: some components of European scaffolding

4. MULTIPURPOSE-ROOM RENOVATION. CONTRACT OPTION-1

The work included in the paragraphs above are all included in the Base-Bid of the contract. The Base-Bid is the minimum portion of the contract that will be awarded to a construction company.

The US Government will unilaterally decide to award or not to award Contract Option-1, based on availability of funds, as well as based on other factors. The contractor shall provide separate pricing for the Base-Bid and Contract Option-1, as required by the solicitation documents.

Contract Option-1 includes all required works in order to have a modern and perfectly operational indoor gymnasium, theater and multipurpose room facility, as detailed herein

Scaffolding and fall protection shall be as required for the Base-Bid and as described in paragraph 3.7

Picture#60: Area to be renovated as part of Contract Option-1

Picture#61: Separation between areas with vinyl flooring and new stage area.

4.1 Demolitions

Remove everything within the areas to be renovated, including flooring surfaces, wall paint (by high pressure water as required for the façade), electrical installation, doors, stage, heating system, basketball boards, metal bars on the walls or false suspended ceiling.

4.2 Flooring

The new exposed flooring surface shall be vinyl flooring specially designed for interior sports facilities.

This shall cover all flooring except the flooring covered by the new stage. The contractor after removal of all flooring surfaces shall provide a layer of self leveling mortar, with the thickness recommended by the flooring manufacturer. The new vinyl flooring shall be provided in rolls and shall be adhered to the dry leveled horizontal surface using a two-component polyurethane adhesive, recommended by the manufacturer. The joints between the vinyl rolls shall be done with PVC hot welds.

Technical Features of the Vinyl Flooring:

- Minimum thickness: 6 mm

- Weight: Minimum 3.5 kg/m²

- Wear layer: Minimum 1.3 mm

- Fire resistance (according to ASTM E-684):

Class 1

- Shock Absortion (according to DIN 18032-2):

31%

- With antibacterial and fungicidal treatment

- Colors: Provide combination of 2 colors (orange and green or orange and blue)

The new flooring surface shall be provided with horizontal striping for a half size basketball and for volleyball. Striping for both sports shall be done with different color lines.

Installation shall be done by specialized workers. The contractor shall hire the services of the technical representative of the manufacturer of the vinyl flooring product to certify the installation of their product.

Payment for vinyl flooring shall not be done until the manufacturer technical representative that their products had been installed correctly and in accordance with their technical recommendations.

Picture#62: Example of sports 6 mm thickness vinyl flooring with combination of 2 acceptable colors.

Picture#63: Example of sports 6 mm thickness vinyl flooring with combination of 2 acceptable colors.

Picture#64: Details of flooring and existing stage and its steps

Picture#65: Flooring to be covered with vinyl sports rated flooring of 6 mm.

Picture#66: Stage in the same location as the existing one to be removed as part of this contract

4.3 Stage

Where indicated in picture#66 and where existing, the contractor shall provide a new solid wood stage. The stage shall be provided with:

- Solid wood, treated against termites. The use of composite wood is not authorized.

- Minimum thickness of stage flooring to be 4 cm.

- Stage flooring (including stairs) shall be designed with the necessary supports to avoid any visible deflection with a localized weight of 200 kg.

- Stage flooring to be continuous, provided without voids between pieces of wood.

- Front of stage to be solid or composite wood with a hatch to access the bottom of the stage for maintenance or inspection purposes.

- 2 access stairways, with wooden or metal railing.

Railing to be designed to resist horizontal forces of 50 kg without any visible deflection.

- Wood to be primed and painted in color to be selected by School Director.

Picture#67: Stage and basketball board to be removed

Picture#68: Existing stage

4.4 Walls

All vertical surfaces of the areas to be renovated shall be repaired. This includes removing the existing paint by high pressure water blasting or other approved mechanical means. This method will also remove any defective plaster that shall also be repaired as part of this contract.

It must be noted that part of the heating piping and electrical conduits need to be recessed along the walls, and therefore this will require repair works along the walls. All utility lines shall be recessed within the walls of the room, including the heating piping, electrical or other piping running through the areas to be renovated. At the completion of the Contract Option-1, there shall be no visible piping or utility lines within the room.

The contractor shall level and repair all surfaces with cement based mortar and provide 3 coats of washable latex paint. Provide new surfaces resistant to impacts. Provide washable paint with color to be selected by School Director). Provide wall protection in lowest 2 meters (see bullet on wall protection)

Wall Protection: Provide wall wainscot in lowest 2 meters of walls. Material to be natural wood (use of composite wood is not authorized), linoleum or other similar shock absorbent approved material (not plastic). Material to comply with Bulgarian Fire Code. Provide with finished color as selected by the School Director.

Picture#69: Typical required wall protection (from recently completed project in Ukraine)

Picture#70: Condition of the walls in the stage area. All plaster should be removed in this particular location.

Picture#72: Plastered ceiling in stage area to be removed

4.5 Ceiling

The contractor shall remove the suspended ceiling and its support system for all the renovated areas. This includes different suspended ceilings in the stage and main room areas of the gymnasium.

The contractor shall clean and remove any loose plaster or concrete with high pressure water, as required for the walls. Once the surfaces are high pressure washed, the contractor shall repair all structural damages. All exposed reinforcement shall be repaired by epoxy based mortar and the loose plaster removed and properly repaired with special epoxy concrete repair mortar. Once all structural repairs are repaired, the contractor shall level all ceiling surfaces and provide 3 coats of paint.

This contract includes all necessary works to provide an exposed structural ceiling surfaces, to provide the area with impact resistant ceilings as high as technically possible.

The work also includes rerouting all piping and utilities that may run above the drop ceiling.

Picture#71: Existing suspended ceiling to be removed in main gymnasium area

Picture#74: Required benches

Picture#73: Required benches. Pictures from recently completed project in Ukraine. See aluminum radiators behind the benches

4.6 Heating/Benches

Both items (Heating and benches) are included in the same paragraph because coordination is required between both.

Design and install a heating system as required for the area to be renovated. Remove all heating piping, radiators and their protection system. Provide and install new heating system connected with the building heating system. Connect at a location where the piping has sufficient capacity to provide the required heat in the room. Piping for heating system to be recessed along the walls or floors or otherwise not visible and covered by approved shield. Heating piping shall not be seen or exposed in the renovated areas.

Provide benches to be used as benches for the children and as the necessary physical protection for the new aluminum radiators. Benches shall be similar to the ones shown in picture#73 and #74.

The contractor shall remove all existing wood from the gymnasium and provide new benches in coordination with the protection of the new heating radiators as in the referenced pictures. Provide along the walls with radiators. Material to be in accordance with recommendations of the manufacturer of the radiators and in accordance with Bulgarian Fire Code.

For bidding purposes the contractor shall estimate a total of 20 linear meters of wood benches.

Picture#76: Typical required LED flood light with 60W

Picture#75:Typical required LED flood light with 60W

4.7 Electrical

Replacement of the entire electrical installation. The contractor shall completely remove the electrical installation in this room (including lighting fixtures). All loads to be connected to a new electric panel. The new electrical panel shall be connected with the main electric panel of the school or to a location within the school with sufficient capacity for the gymnasium loads and in compliance with Bulgarian electrical regulations.

All electrical installations, including electrical conduits, junction boxes, electrical panels, receptacles or switches shall be recessed along the walls. No electrical conduit or installation shall be exposed to the view. All electrical cables shall be installed under conduit. Direct burial of electric cables on the walls is not authorized, even if authorized by Bulgarian regulations.

The new electrical installation for the gymnasium shall be provided with new wall mounted receptacles as follows:

- 2 units electrical receptacles protected against impacts

- 8 electrical receptacles in the stage area

The new lighting shall consist of impact resistant LED technology flood lights as follows:

- 6 flood lights of minimum 60W each (LED technology)

- Flood lights to be installed at the intersection between the walls and the ceiling.

- Flood lights to be protected against impacts.

- Each 2 flood lights to be controlled by an individual switch located near the entrance door.

New lighting shall not be controlled by the circuit breakers of the main electric panel.

In addition to the LED flood lights, the contractor shall provide 2 surface mounted fluorescent lighting fixtures in the stage area, controlled by another switch near the entrance door, and the necessary EXIT lights.

Picture#77:Typical new door

4.8 Carpentry (Windows and Doors)

External Windows: The exterior windows are all to be replaced as part of this contract, and covered under a separate paragraph. All windows to have operational panels for ventilation purposes. In addition to the general requirements for all windows to be replaced, the gymnasium windows shall be provided with protection against the typical impacts in a room to be used for sports.

Window Protection or Guards: The contractor shall design a window protection system for the acceptance of the Contracting Officer with the following basis of design:

- Painted metal frame (no wood authorized)

- Sized for a tennis ball

- Sized for the force of a basketball ball

- To allow for cleaning of the windows

- To allow opening the operational panels of the windows for ventilation

- Both metal or nylon strings are authorized for actual window guard.

Doors: There is only one entrance door. The door shall be replace with new solid wood flush doors of similar size, similar to the one shown in picture#77. Remove all wood from the door openings, including frames, anchors and trims.

The doors shall be minimum 4 cm thick and provided with the required locks and hardware.

Provide anti-panic hardware. Provide EXIT sign and light over the door. Provide see through window with 8 mm glazing. Protected against impacts.

Picture#80: Volleyball pole as the new one required

Picture#78: Required basketball basket (2 units only). Reutilize the existing supports as much as technically possible.

Picture#81: Provide similar wall hung professional basketball with break-away rim.

Picture#79: Existing basketball board to be removed and new one to be provided in the same location but at the official height from finished floor elevation. All piping to be rerouted or recessed within the new repaired walls.

Picture#82: Provide new similar wood racks

4.9 Gymnasium Accessories

Basketball boards: Provide 1 new professional basketball board (1 unit)

Remove the existing basketball boards, including their supports and provide a single basketball board with new heavy duty supports or wall anchors. The rim of the basketball board shall be installed at 3.05 m from the finished floor surface (official height). Professional basketball boards shall be installed at one end of the gymnasium as indicated in picture#79. Board shall be made of methacrylate of 10 mm thickness (with foam protection in the bottom) properly anchored to the walls, and with break-away basketball rims (see picture #78).

Volleyball support: Provide volleyball net supports in the center of the area to be provided with vinyl sports rated flooring. Provide the volleyball support poles properly anchored to the walls and the required net to have an operational volleyball facility.

Wood racks: Provide a total of approximately 6 linear meters of wood racks, within the renovated areas, and at the location to be indicated by the School Director. See picture#82 for definition of “wood rack”

5. PROCEDURE

5.1 Taxation

In accordance with Agreement between the Government of USA and the Government of BU on Defense Cooperation this contract is exempt from VAT. The contractor shall be responsible to prepare and process all required documentation to obtain the VAT exception from the Government of Bulgaria. For this reason, the contractor shall work directly with the corresponding authorities from Bulgaria, US Forces and the US Embassy".

5.2 Principles

This construction contract is based on 3 principles:

1. Strict compliance with Bulgarian technical regulations

2. Strict compliance with United States of America contracting regulations (Federal Acquisition

Regulations)

3. Compliance with the most stringent of US and Bulgarian Safety regulations

5.3 Design Requirements

The contractor shall hire the necessary architects/engineers to perform the works required by this project, with the technical and quality requirements described in this document.

The contractor shall perform the work in strict compliance with the construction codes and regulations of Bulgaria. The contractor is responsible to provide a copy of a Construction Permit issued by the corresponding local authority for those portions of the project that require a Construction Permit as required by applicable Bulgarian regulations. The contractor is responsible to prepare any required documentation and/or designs that will be required in order to obtain these permits. In case any portion of the scope of work of this project does not require a specific construction permit, the contractor shall provide a document from the Municipality stating that they authorize the start of construction. No work shall be executed until the corresponding construction permit or alternative document is issued by the competent Municipal authority, and a copy provided to the Contracting Officer.

For those items required by the Scope of Work, which are not specified herein, the contractor shall follow the applicable Bulgarian Codes and Regulations.

5.4 Start of Construction

The Project Manager (PM) or Authorized Representative of the Contracting Officer shall authorize the start of construction. This authorization to start will not be given until the contractor:

- Provide a written evidence that they comply with all legal requirements in Bulgaria in order to perform the works described in this document. This includes the necessary Bulgarian construction and design licenses.

- Provides copy of the required permits or authorizations from the competent Bulgarian authority authorizing the execution of the works.

- Provides technical information for the proposed materials and equipment to be used for the project. Only materials and equipment previously accepted by the Contracting Officer Representative shall be brought to the job site.

- The Contracting Officer Representative accept their Accident Prevention Plan. See Annex 1 for the requirements of this Plan

- The Contracting Officer Representative accept their Quality Control Plan. See Annex 2.

- The Contracting Officer Representative accept their Construction Schedule

- Construction Sign is placed on site (see paragraph 5.12)

5.5 Scheduling and Coordination Requirements

The school shall remain operational during the execution of the works. The contractor shall separate the construction areas by installation of proper fences and barricades the construction areas from the other areas of the facility, especially those accessible to the children. The contractor shall closely coordinate with the Director of the School the activities that may interfere with their daily work.

While performing work on the roof, the contractor shall coordinate with the School Director, so that there are no children in the areas immediately under the roof areas where the contractor is working.

This will require moving children and closing certain portions of the school. The contractor shall coordinate with the school Director with a minimum of 2 weeks advanced notice.

5.6 Construction Schedule (bar chart is authorized).

All work shall be completed within 330 calendar days after project award.

Within 15 days after contract award, the contractor shall provide a construction schedule including a minimum of 20 activities.

5.7 Accident Prevention Plan / Safety Plan

SAFETY SHALL BE THE FIRST PRIORITY OF THE CONTRACTOR. SAFETY OF THE

WORKERS, STAFF OF THE FACILITIES, GENERAL PUBLIC, AND CHILDREN SHALL TAKE

PRECEDENCE OVER ANY OTHER FACTOR.

The contractor shall use the format included in Annex 1 to prepare the Safety Plan or Accident Prevention Plan

Within the timeframe allowed for the final design submission, the Contractor will prepare and submit a Safety Plan (Accident Prevention Plan) describing procedures they plan to perform to ensure the safety of the workers, the staff of the facilities, the general public, the children and the equipment on the job site. The Plan shall clearly define the safety personnel assigned to this project and the measurements that the contractor will implement to guarantee that nobody will be exposed to any hazards as a result of this construction contract.

Additionally, the safety plan must address types of personnel protective equipment to be used by personnel, types and frequencies of safety inspections, hazard analysis plan to prevent safety incidents, and training utilized to familiarize employees with safety policies and practices. The contractor shall comply with the US Army Corps of Engineers Safety Manual EM385-1-1 wherever the requirements of this manual are more stringent than the requirements of the Bulgaria Safety Law.

No work shall start at the job site until the Safety Plan is received and accepted by the US Government.

Bulgarian Safety Code must be strictly followed. The contractor is responsible for the safety of the workers, the safety of the users of the facility and the general public.

Additional safety requirements for NAVFAC project can be found in Section 01525, which can be found here:

http://www.aed.usace.army.mil/contracting/0093/01525%20Safety%20and%20Occupational% 20Health%20Rqmnts.pdf

5.8 Technical Documentation

The contractor shall provide technical information on all equipment to be incorporated to the job site. This information must be sent to and accepted by the Project Manager before they are purchased by the contractor. This includes windows, doors, paint, plaster, flooring materials and sports equipment for the gymnasium, lighting fixtures, radiators, roof tiles, etc.

5.9 Language

All communication and correspondence between the contractor and the Government personnel shall be in English. It shall be the responsibility of the Contractor to prepare proposals, invoices, shop drawings and submittals, quality control reports, computations, and all correspondence pertaining to this contract, in the English language; but the Contractor may, for his own record purposes, prepare them in the local language. All correspondence to and from the Contracting Officer shall be in the English language. In case of dispute or claim, the English version will govern.

Immediately after award, the contractor shall appoint an English speaking representative, with cellular phone and e-mail address. The Contracting Officer Representative reserves the unilateral right to disapprove this person if it is found that his/her English language capacity is not sufficient to perform the duties required for such position

For the visits of the Contracting Officer, the PM or their authorized representative to the job site, the contractor shall provide somebody capable of representing the construction company who can communicate in English language or the contractor shall provide a translator to translate from English to Bulgarian language.

5.10 Pictures

The contractor shall send weekly and representative digital pictures of their construction by e-mail once construction starts, showing construction progress. These pictures shall be used to monitor the contractor’s performance and to validate the invoices.

Failure to provide updated pictures will impact the ability of the Contracting Officer to validate and therefore to pay for the invoices.

5.11 Quality Control Plan

Within the timeframe allowed for the submission of documentation before starting the works, the Contractor will prepare and submit a Quality Control Plan describing personnel, procedures, tests and installation techniques that he plans to perform to ensure the quality required by these Technical Requirements and his design is obtained.

The Quality Control Plan shall…