B.08.02.06 Technical Specifications Apr 28 2021 RTA_REV 2.pdf

Ready to Advertise Design Technical Specifications Revision 2

Utility Repair Project (Domestic Water, Fire Protection, and Sanitary Sewer Systems) Chièvres Air Base, Benelux, Belgium

Submitted to

U.S. Army Corps of Engineers Contract W912GB19D0011 Task Order 003

28 April 2021

Submitted by

WSP USA

33301 Ninth Avenue South, Suite 300 Federal Way, Washington 98003-2600

TPF ENGINEERING sa/nv

Building Division de Haveskerckelaan 46

B-1190 Brussels (Belgium)

193690-03

Ready to Advertise Submittal – Revision 2 WSP USA, 193690-03 Utility Repair Project 28 April 2021 Chièvres Air Base, Benelux, Belgium Page ii of ii

TECHNICAL SPECIFICATIONS

REVISION 2

UTILITY REPAIR PROJECT

(DOMESTIC WATER, FIRE PROTECTION, AND SANITARY SEWER SYSTEMS)

CHIÈVRES AIR BASE, BENELUX, BELGIUM

TABLE OF CONTENTS

SECTION NO. OF PAGES

Section 1 Architecture Table of Contents (Revision 2) Architecture

Section 2 Civil and Landscape Table of Contents Civil and Landscape

Section 3 Electrical and Communications Table of Contents (Revision 1) Electrical and Communications

Section 4 Mechanical Table of Contents Mechanical

Section 5 Fire Protection Table of Contents (Revisions 1 and 2) Fire Protection

Section 6 Structural Table of Contents Structural

25 05 11.21 Cybersecurity for Fire and Life Safety Systems (Revision 1)

25 05 11.26 Cybersecurity for Electrical Systems (Revision 1)

END OF TABLE OF CONTENTS

SECTION 1, ARCHITECTURE

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TABLE OF CONTENTS

GENERAL ITEMS SPECIFIC TO ARCHITECTURAL WORKS

01.01 Execution

APPLICABLE REGULATIONS AND STANDARDS

EARTHWORK AND FOUNDATIONS

03.01 Excavations

03.01.01 Excavations for foundations

03.01.02 Excavations down to finished level (Earthworks below see Civil and Structural)

03.01.03 Removal of rocks/bricks/concrete or foreign objects

03.02 Backfilling

03.02.01 Filling with earth from excavations

03.02.02 Filling with compacted sand

03.02.03 Filling with crushed-stone

03.03 Shoring and Retaining Works

03.03.01 Shoring and retaining works

03.03.02 Performance-based shoring

03.04 Accessories and Others

03.04.01 Grounding loop

ARCHITECTURAL STRUCTURE

04.01 General Notes

04.02 Non-reinforced Concrete

04.02.01 Layers of blinding concrete

04.02.02 Sublayer of lean concrete (mud slab)

04.03 Foundation Masonry

04.03.01 Foundation masonry in contact with the ground

04.03.02 Foundation masonry of heavy concrete blocks in contact with the ground

04.04 Reinforced Ready-mixed Concrete

04.05 Impermeability

04.05.01 Impermeable sublayer for concrete slabs

04.05.02 Impermeable joints and bands of rubber joints

04.06 Industrial Concrete

04.07 Steel Construction Components

04.07.01 Construction elements on a steel frame

ROOF ASSEMBLY WORK AND ROOFING WATER DRAINAGE

05.01 Roof Rigid Insulation Boards

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05.02 Roof Cover Board

05.03 EPDM Single-ply Membrane Roofing System (white)

05.04 Roof Water Drainage

05.04.01 Spill-out scupper, scupper box, downspouts and fascia

DRAINS

06.01 General Notes

06.02 Sewerage

06.02.01 General

06.02.02 Sewerage pipes

06.02.03 High-density polyethylene pipes

06.03 Sewer Connections

06.03.01 Suction pipes

06.03.02 Suction pipes made of plastic material

BUILDING ENVELOPE AND EXTERIOR BUILDING COMPONENTS

07.01 Doors and Windows

07.01.01 Doors

07.01.02 Thermally interrupted window systems in coated aluminum

07.01.03 Insulated glazing for windows

07.02 Air Barrier

07.03 Elastic Joint Sealant

07.04 Sheet Metal Flashing and Trims

07.05 Insulated Metal Wall Panels

07.06 Perimeter Wall Insulation with Cellular Glass and Bitumen Coating

07.07 Floor and Wall Finishes

07.07.01 Epoxy-painted wall base

07.07.02 Painting on concrete and steel surfaces

SANITARY APPLIANCES

08.01 Surface Water Receptors inside Building

08.01.01 Floor drains - stainless steel

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GENERAL ITEMS SPECIFIC TO ARCHITECTURAL WORKS

All building construction and execution details are to be properly evaluated and developed by the contractor based on the specific products and systems selected for execution by the contractor in such a way that all building components and assemblies are fully functional and finished and meet performance requirements, including full compliance with U.S. and host nation regulations, as well as manufacturer’s prescriptions and instructions. Depending on the chosen manufacturers, products or systems selected; the design details or drawings may need to be redesigned by the contractor to meet these performance requirements and good practice principles. All materials and efforts required to obtain fully compliant, functional and finished assemblies are included. All construction details shall be properly evaluated, prepared and presented by the contractor for prior approval by the COR before construction.

Excavations relating to the creation of a construction area, prior to beginning of work.

Measures taken to lower the water table must guarantee the production of a completely dry work surface.

Lowering the water table stops only when the construction gives sufficient back pressure and on the COR’s agreement.

Prior to excavation, soil samples of the material comprising each excavated slope will be tested to determine the material unconfined compressive strength. These test values will be submitted and used to determine the soil type and required sloping or benching requirements as per EM 385-1-1.

01.01 Execution

A 30-cm-thick layer of topsoil is excavated (as far as this thickness is sufficient to remove all roots).

The surface of the soil from which the topsoil shall be removed is the total building (circumference of the foundations) surface up to 2,00m around the buildings.

The surface soil is stored on the worksite at a place of the COR’s choice.

No trace of waste should be mixed with the surface soil during storage, spreading and leveling

APPLICABLE REGULATIONS AND STANDARDS

Applicable U.S. regulations and standards

- DD Form1391

- Europe West DSO: Belgium Staffing Document

- NFPA 1, Fire Code

- NFPA 10 (Portable Fire extinguishers) - The lasted edition of UFC 3-600-01 is

8 August 2016, change 2, 25 March 2018

- NFPA 13 (Automatic Sprinkler Systems Design) NA

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- NFPA 14, Standard for the Installation of Standpipe and Hose Systems

- NFPA 70, National Electrical Code

- NFPA 72 (Fire alarm, Detection and Notification Design)

- NFPA 101 (Life Safety Code) 2018

- NFPA 170, Standard for Fire Safety and Emergency Symbols

- NFPA 220, Standard on Types of Building Construction

- NFPA 720, Standard for the Installation of Carbon Monoxide (CO) Detection and

Warning Equipment

- NFPA 1963, Standard for Fire Hose Connections

- NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems

- NFPA 5000, Building Construction and Safety Code

- Architectural Barriers Act (ABA) Standards, 2015 UFC criteria

- UFC 1-200-01 General Building Requirements (08 October 2019)

- UFC 1-200-02 High Performance and Sustainable building Requirements

(01 October 2019)

- UFC 1-300-01 Criteria Format Standard, latest edition (8 August 2016, Change 2, 25 March 2018)

- UFC 1-300-02 Unified Facilities Guide Specifications (UFGS) Format Standard

(01 April 2019)

- UFC 3-101-01 Architecture (25 September 2019)

- UFC 3-600-01 Fire Protection Engineering for Facilities (10 May 2019)

- UFC 3-740-05 Construction Cost Estimating (01 June 2011)

- UFC 3-730-01 Programming Cost Estimating (01 March 2017) Applicable host nation regulations

- Royal Decree of 07 December 2016 (AR/KB 07/12/2016)

- Codex for the well-being of workers

- NBN-standards (Belgian Standards by the bureau for standardization)

- EN-standards (European Standards)

- BBRI-technical guidelines and publications (BBRI is the Belgian Building

Research Institute) Air tightness of the building The air tightness of the building envelope will be tested by the contractor by means of an air tightness test (blower door test). See general specifications in Chapter II.1.8.2.4, air tightness test of the building envelope (blower door test).

EARTHWORK AND FOUNDATIONS

03.01 Excavations

03.01.01 Excavations for foundations

Description Carrying out excavations for foundations, cellars, etc. according to the drawings.

Material The excavations are carried out using the appropriate machines and material.

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Execution The trace tolerances of the work shall be: 0.5cm in height and 5cm laterally. The levels marked on the drawings correspond to the reference markers. The possible propping of the groundwork, on the contractor’s initiative is included. The bottom surface of the groundwork shall be equalized and leveled off. No price supplement shall be claimed for work method, contractor or material used. In the same way, no bill shall be accepted for leveling.

Before starting the excavations and whenever necessary, the contractor lowers the level of the water table and shall take all possible care to avoid the collapse of the sides of the ground works.

If, despite taking all possible precautions, one or several collapses take place, the contractor is obliged to carry out the repairs at his own expense.

Sand that is suitable for refilling and leveling remains property of the COR and shall be stockpiled somewhere on the site following his guidelines.

Scope Measurement: included in sections: structural and civil

03.01.02 Excavations down to finished level (Earthworks below see Civil and Structural) Description Carrying out excavations according to the drawings.

Material The excavations are carried out using the appropriate machines and material.

Execution The size of executed is executed in a way that all needed works in order to carry out the construction are possible. This means it has to be at least 50cm wider than the size of the exterior walls.

Measurement: included in sections: structural and civil

03.01.03 Removal of rocks/bricks/concrete or foreign objects

Description Applicable for the volume of rocks, bricks and concrete, which are to be removed by specialized tools and machinery.

The contractor will make an inventory and will submit it for approval.

Execution The volume of rocks, bricks, concrete or parts of it, will be removed, without the use of explosives.

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The contractor shall take all precautions to avoid ground calving and damage to vehicles and property and to ensure the safety of persons. The quantities to be removed will be clearly measured and charged as an additional cost to the planned excavations. The debris will be removed from the construction site following the works progress.

Scope Measurement: included in sections: structural and civil.

Included: all means to achieve removal and disposal.

03.02 Backfilling

General The fill as related to the filling around the construction shafts and the trenches of the building to be erected. This section does not refer to the fill for preliminary work, drains and environmental work.

Execution The filling shall be started after sufficient hardening of the prescribed plaster on underground structures and on the COR’s agreement.

Plate tests shall be carried out on the whole surface and especially along the edges of the foundations.

03.02.01 Filling with earth from excavations

Fill is carried out with the soil, which has been put in reserve, according to the drawings.

Material Soil from previous excavations, free from debris, impurities, etc.

Soil for fill complies with the conditions set forth in the decree of the Walloon Government concerning soil remediation and soil protection for reuse of excavated soil within the limits of the work zone.

Execution The fill is carried out on layers maximum 0.20m thick and are mechanically packed down until the required bearing capacity is reached.

Reaction module Kw (Westergaard plate test on 76-cm-diameter plate) > = 35 N/cm³.

The plate tests on the compacted earth, (place of testing to be determined by the COR and 1 test per 200m² and per layer) shall be charged to the contractor.

If, during the leveling works, supplementary fill is necessary, this fill is included.

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Scope Measurement: included in sections: structural and civil

Includes:

- supply, transport, means of execution

- compacting

- coordination for the passage of pipes or ducts, etc.

- geotextile if needed

03.02.02 Filling with compacted sand

Description Supply and execution of compacting sand fill to achieve a surface or level according to the drawings.

Material Sand for fill shall meet to the specifications of SB 250.

The sand shall be supplied by the contractor.

Execution The fill is carried out on layers maximum 0.20m thick and is mechanically packed down until the required bearing capacity is reached:

Reaction module Kw (Westergaard plate test on 76 cm diameter plate) >= 55 N/cm³.

The plate tests on the compacted sand, (place of testing to be determined by the COR and 1 test per 200 m² per 40cm in height) are to be charged to the contractor.

If, during the leveling works, supplementary fill is necessary, this fill is included.

Scope Measurement: included in sections: structural and civil

Includes:

- supply, transport, means of execution

- compacting

- coordination for the passage of pipes or ducts

- geotextile if needed

03.02.03 Filling with crushed-stone

Description Supply and execution of crushed-stone fill for installing the work-site according to drawings.

Material Geo-textile shall meet the requirements of the SB 250.

Discontinuous crushed-stone shall meet the requirements of the SB 250.

The crushed-stone shall be supplied by the contractor.

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Execution The fill shall be carried out on layers with maximum 0.30-m thickness and are mechanically packed down until the required bearing capacity is obtained (according to SB 250).

Reaction module Kw (Westergaard plate test on the 76 cm diameter plate) >= 55 N/cm².

The plate tests, place of testing to be determined by the COR and 1 test per 200m², shall be charged to the contractor.

Scope Measurement: included in sections: structural and civil Includes:

- supply, transport, means of execution

- compacting

- coordination for the passage of pipes or ducts, etc.

- geotextile if needed

03.03 Shoring and Retaining Works

03.03.01 Shoring and retaining works

General The contractor will carry out the shoring and retaining works carefully. At least two weeks before the start of the works, he will submit a work planning for approval to the COR.

The COR reserves the right to change this planning. The contractor will have to comply with these changes. The contractors are deemed to have investigated the state and location of the parts to be shored, as well as the difficulties involved.

When carrying out the shoring and retaining works, all necessary precautions must be taken to ensure the soundness of the excavation.

The contractor will take all necessary precautions and carry out all reinforcement works, at his own costs and under his own responsibility, which he deems necessary to protect and secure the excavations, buildings, constructions and other elements.

Damages caused by the contractor shall be restored in their original state at the contractor’s own expense.

The contractor will immediately proceed with all repair works to damaged constructions, at the simple request of the COR.

All shoring and retaining materials remain the contractor’s property, except stipulated otherwise.

To be provided by the contractor:

- the calculation sheets of the shoring system, taking into account the foundation system and loads of neighboring buildings / grounds (= calculation of horizontal and vertical displacements / dimensioning of retaining wall in section, depth and armoring / …). The calculation sheet gives the abutment depth with respect to the levels on the architectural drawings, as well as the height of the shoring

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- A ground plan indicating the shoring system, dewatering and phases.

Scope Measurement: included in section: structural and civil

03.03.02 Performance-based shoring

Description In addition to the shoring requirements of EM 385-1-1, the following is required:

The performance-based retaining works (= the contractor himself proposes a shoring technique and/or method) is used for the shoring of excavations and in the case of permanent groundwater pressure.

These works shall be carried out in accordance with applicable safety regulations.

The contractor will first gather information from all relevant authorities and calculate his tender price accordingly. After tender, no price changes shall be accepted.

The contractor can take care of designing the shoring works personally or he can entrust an independent specialist designer with this job, at his own initiative. The responsibility of the shoring system rests on the contractor.

Material Shoring is done with a performance-based retaining method in order to prevent cracking in the roads and constructions to be preserved, subsidence and/or unravelling of the excavation, and prevent any settlement of new constructions.

Execution The shoring works shall be carried out carefully, with appropriate resources.

The execution method shall be submitted to the COR for prior approval. Dewatering shall be taken into account. The period during which shoring shall be maintained is linked with the duration of the structural works of the building / dewatering, except stipulated otherwise.

Damages to building components that are intended to remain unchanged shall be restored in their original state by the contractor at his own costs.

Including:

- All works, materials specific to and resulting from these works.

- Upon completion of the works, and with the approval of the COR, the retaining materials shall be removed.

- Execution of possible repairs.

Measurement: included in section: structural and civil

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03.04 Accessories and Others

General Groundings are carried out according to the clauses of article 69 of the General Regulation of Electrical Installations (M.B. of 29.4.81 and errata in the M.B. of 1.9.81) and the Ministerial Order of 6.10.81 concerning the grounded electrode (M.B. of 13.10.81), completed by the Ministerial Order of 14.12.1981 (M.B. of 22.12.81).

Execution The installation of the grounding loop and covering layer with sand shall be executed in presence of a representative of the COR. The execution shall only be accepted on COR's written agreement.

03.04.01 Grounding loop

Supply and execution of a grounding loop according to the drawings.

Material A grounding loop is made up of a wire manufactured in electrolytic white annealed copper or a pleated copper wire of 10mm2 covered with a lead shaft. Its total geometric diameter is 35mm2.

A grounding loop is formed by a circular section conductor and without any soldering. If possible, the loop is made up of just one wire.

In case of inevitable connections, all the extremities of each conductor and its connections must be accessible for checking.

Execution A grounding loop is placed on the floor of the foundation trench under the outer walls and is covered with a 5-cm-thick layer of pure sand in order to avoid any contact with reinforcements or other metallic materials. The extremities of the loop must be accessible for examination, are linked to a small copper plate, and are equipped with a grounding circuit-breaker. If the grounding loop is made up of several conductors placed in series, the extremities of each conductor as well as their connections must be equally accessible for examination. Passage through the foundation towards the connections is made in a flexible PVC tube in order to avoid all contact with the foundation. The dispersion strength is measured before the foundation concrete is poured.

The extremities of the electrode finish 2.0m above the level of the ground slab and cannot touch.

The electrode extremity exit in Medium Voltage room B003 for Academic Building and in elec. room A. B.003 for Auditorium Building.

Grounding loop shall be connected to foundations reinforcing steel.

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Scope Measurement: per linear meter (lm) Includes:

- supply, transport, means of execution

- all means for preliminary connection to the building

- material for the passage of concrete slabs (pipes)

- coordination with foundation and electrical works

ARCHITECTURAL STRUCTURE

04.01 General Notes

- The contractor shall comply with the requirements of ‘Technical specifications Section 01 - General’. Deviations on these specifications are indicated in the description of the respective component.

- Submittal Register: The Submittal Register gives an overview of all the required documents/reports/… which shall be submitted for approval by the contractor to the COR. All these documents/reports/… shall be written in English.

- CE-marking: In accordance to ‘The Construction Products Regulation (EU No.

305/2011)’, the products for which a CE-marking is requested, shall always contain the DoP (Declaration of Performance) and proof of conformity from internal and external tests. CE marking shall be the only marking which attests conformity of the construction product with the declared performance in relation to the essential characteristics covered by that harmonized standard or by the European Technical Assessment.

- All building construction and execution details are to be properly evaluated and developed by the contractor based on the specific products and systems selected for execution by the contractor in such a way that all building components and assemblies are fully functional and finished and meet performance requirements, including full compliance with U.S. and host nation regulations, as well as manufacturer’s prescriptions and instructions. Depending on the chosen manufacturers, products or systems selected; the design details or drawings may need to be redesigned by the contractor to meet these performance requirements and good practice principles. All materials and efforts required to obtain fully compliant, functional and finished assemblies are included. All construction details shall be properly evaluated, prepared and presented by the contractor for prior approval by the COR before construction.

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04.02 Non-reinforced Concrete

04.02.01 Layers of blinding concrete

General The sub-bases are put down as a work floor under the reinforced concrete.

Execution The sub-bases are put down on a compacted, flat, dry, clean and very smooth bottom surface. The edge shuttering is included in the present section. Before carrying out work in reinforced concrete, the sub-base surface is carefully cleaned.

Measurement: included in section structural

04.02.02 Sublayer of lean concrete (mud slab)

Polyethylene film – Moisture Barrier The moisture barrier will be placed under the entire surface of the foundation.

The membranes are composed of a thin continuous sheet of uniform thickness

0.4 mm, made of rot-proof and watertight synthetic material.

The membranes cannot stick or have tears. They are stored in a protected place.

The Contractor will take the necessary precautions to avoid damaging the membranes. The damaged parts are repaired by means of an additional piece of membrane, always with an overlap of at least 0.50m.

Execution Protective and preparatory layer as a work surface under all the reinforced concrete foundations in contact with the ground.

Scope Measurement: included in section structural

04.03 Foundation Masonry

04.03.01 Foundation masonry in contact with the ground

General

Material Masonry is composed of structural components adapted to the module system in accordance with standard NBN EN 771-1.

The mortar for foundation masonry and cement plastering belong to category M20 of standard NBN EN 998-2 (compressive strength = 20 N/mm²) and have the following composition: minimum 400 kg cement with high sulfate resistance (quality HSR) per m³ dry sand (1 part of cement for 3 parts of sand).

The use of additives is authorized only by approval of the COR. The use of setting retarders is prohibited.

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Execution Masonry shall be executed in accordance with standard NBN EN 1996-2 + ANB.

Masonry shall be done with plumb line and chalk line, following the code of practice.

All surfaces in contact with the ground shall be plastered with mortar, thickness 10mm.

After sufficient drying of the plaster, it shall be coated with two layers of coating, activated by tar or bitumen (according to NBN B46 series) at the rate of a minimum of 200 g per m2 and per layer; the two layers being of different colors.

Drying time between the two layers: minimum 24 hours.

Refilling of the trenches or pit: only after sufficient drying of the plastering and after approval of the COR.

04.03.02 Foundation masonry of heavy concrete blocks in contact with the ground Description Supply and install foundation walls in concrete blocks according to the drawings.

Material The foundation masonry shall be heavy, vibrated, solid concrete blocks according to index 09.1 of SS 104 of 1963 and NBN EN 771-3. Perforations in the concrete blocks are not allowed.

The dimensions shall be adjusted to meet the designated wall thickness.

Technical properties:

- CE-declared average compressive strength (in accordance with standard NBN

EN 771-1) and characteristic compressive strength (in accordance with standard NBN B 24-301, Benor): >= 10 N/mm2

- water absorption: average value: 9% following NBN B24-203

- concrete blocks code C (for foundation masonry)

Wall reinforcement shall be used in walls that are not immured.

Execution In accordance with the manufacturer’s directions and in connection with standard NBN EN 1996-2 + ANB. The concrete blocks shall be laid in a full mortar bed.

The corners that cannot be bound shall be fitted with wall reinforcing in each layer, over a length of at least 50cm per corner side.

Masonry walls in contact with the ground are protected by means of a waterproof cement layer coated with coal tar. This layer is applied after the masonry has been drying sufficiently. The coal tar is applied in 2 layers (1 horizontal, 1 vertical with interval of min 1 day) on the cement layer.

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Scope Measurement: cubic meters (m³) Includes:

- supply, transport, assembly, means of assembly, sealing of the joints.

- all cuttings necessary for the connections with the structure, the passage of the pipes or ducts, the doors

- all reparations

- all parts, materials, waterproofing, drillings, operations and constraints necessary to execute the masonry.

- All parts, materials, operations and constraints necessary to execute a waterproofing layer as described and indicated on the drawings.

- For cavity walls, hooks and other fittings are included.

04.04 Reinforced Ready-mixed Concrete

See structural specifications.

04.05 Impermeability

04.05.01 Impermeable sublayer for concrete slabs

Without prejudice to the specific directives in the particular specifications or attached execution details, the contractor should make sure to absolutely prevent water from infiltrating the upper structure from the outside or from the substructure.

The moisture-proof layer in the subfloors on the bottom consists of one or more watertight separation layers applied between the ground and/or in floor slab. The works include:

- the preparation of the subsurface;

- delivery and treatment of materials, including the possible separation layers;

- delivery and mounting of possible fixing accessories;

- possible provisory protection measures; and

- placement of a sublayer.

Material The impermeable layer consists of a watertight EPDM sheet. The sheet should not be sticky or torn.

Thickness: minimum 1mm

The EPDM sheet is polyester reinforced.

Execution To be placed on the primary concrete floor slab. Also to be used as water barrier system for exterior walls on ground level. The sublayer should be smooth without any sharp and/or protruding parts. The sheet shall be applied onto the sublayer with overlaps of minimum 30cm and will be pulled upwards up to 50cm above the finished floor level. The seam overlaps shall be carefully welded or glued (according to the manufacturer's instructions) all over the entire seam width and compacted.

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Damaged parts shall be repaired with an additional piece of sheet providing a minimum 30cm overlap.

Scope Measurement: square meters (m²)

- Horizontal projection of the surface. Vertical surfaces or upstands of less than 50cm are considered as included

- All material, works, efforts and accessories to achieve a fully functional and finished waterproof sublayer.

04.05.02 Impermeable joints and bands of rubber joints

Description Supply and installation of bands for rubber joints according to the drawings.

Material The impermeability joint is a dilatation joint with a hollow core.

The impermeability joint is manufactured in Butadien of Styrol SBR, synthetic rubber with the following characteristics:

- hardness Shore A: 62; tensile strength: 1460 N/cm2; lengthening to breaking point: 460%

- ripping resistance: 1270 N/cm; shock resistance: 27 %

- friction resistance under a load of 1 kg: 33 m3; deformation resistance (22 H à

70°C): 8%

- width 250 mm

Execution The rubber impermeability joint must be applied by qualified installers, who strictly follow the manufacturer’s instructions and the technical approval. A written guarantee shall be submitted.

All the execution details as well as technical documentation and samples shall be submitted to the COR for approval.

Scope Measurement: For the record, included in the respective sections and works.

04.06 Industrial Concrete

See structural specifications.

04.07 Steel Construction Components

04.07.01 Construction elements on a steel frame

See structural specifications.

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ROOF ASSEMBLY WORK AND ROOFING WATER DRAINAGE

05.01 Roof Rigid Insulation Boards

Material The roof rigid insulations are weather resistant and have fixed dimensions.

Their inorganic and amorphous structure should not house or generate a culture for vermin, bacteria or mold and should not affect other construction parts; they are also rot proof, non-combustible and remain water repellant.

Their thermal conductibility is measured according to the NBN B 62-201 standard.

Installation Before laying roof rigid insulation boards, the contact surfaces between the insulation boards and the support are cleaned and all irregularities are removed.

The boards are laid with the largest dimensions possible, bonded and tightened together well.

Any necessary squaring off is done through the whole thickness. The boards are cut so that they are held tightly together or to the other construction parts.

Damaged boards cannot be used. Everywhere or where it proves to be necessary, the insulation boards shall be positioned against the vertical risings.

They shall be installed on metal deck, using by the manufacturer approved fasteners and plates, through roofing board. The number of fasteners per board needs to be determined based on a wind uplift calculation in accordance with local building codes.

Fire resistance class for unfaced boards (NBN EN 13501-1): EUROCLASS A1 Thermal conductivity (λ declared) (EN 12667): max. 0,040 W/mK

Water vapor diffusion resistance µ: min. 1,3 thickness: 100mm

Utilization As required, two layered insulation shall be installed with staggered joints. Both boards need to be attached to each other using a single-component, moisture cured, solvent free polyurethane adhesive.

In addition to the primary layers of roof insulations, multiple additional layers are to be installed as crickets in order to provide an intermediate roof cross slope by means of tapered insulation boards.

Execution As indicated on the drawings, the main roof slope dictated by structural framing and metal deck.

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The installation of the boards (weather mechanically fixed or with PUR adhesive) shall be in accordance with the manufacturer’s instructions and national guidelines (NIT 215 of BBRI). Attention is payed to the various vapor or moisture barriers and the building envelope integrity as a whole.

The necessary cuts are made on the entire layer; the boards are cut in such a way that they are perfectly joined with the other building components.

Scope

• Measurement: square meters (m²). Horizontal projection of the surface, openings of less than 0,5m² are included.

• All materials, accessories, supply, transport, assembly, etc. in order to obtain a fully finished and functional assembly.

• All cuttings, fixation and other accessories necessary for the connections with the structure, the passage of the pipes or ducts, skylights, etc.

• All cut-outs, attachments and other accessories

• All reparations

05.02 Roof Cover Board

Description Supply and installation of gypsum cover boards, as indicated on drawings. Roof cover boards shall be directly installed on metal deck as substrate for roof air barrier system.

Scope

• Measurement: square meters (m²). Horizontal projection of the surface, openings of less than 0,5m² are included.

• All materials, accessories, supply, transport, assembly, in order to obtain finished a fully functional assembly.

• All cuttings, fixation and other accessories necessary for the connections with the under layer, the passage of the pipes or ducts, skylights, etc.

• All cut-outs, attachments and other accessories

• All reparations

05.03 EPDM Single-ply Membrane Roofing System (white)

Description Supply and installation of an EPDM single-ply membrane roofing system.

Material The EPDM membrane is a self-adhesive seam weldable EPDM waterproofing membrane with FLL test certificate. The EPDM membrane shall comply with

EN 13948.

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Properties:

• Adhesion-enabling top surface, glass scrim inlay

• Self-adhesive polymer bitumen underside with pull-off PE separating layer

• Versatile and durable in use

• Resistant to ageing and weathering without additional surface protection, in accordance with DIN 7864

• Safe seam welding with hot air even at outside temperatures down to -10°C

• Resistant to many chemicals and environmental emissions

• Complies with DIN 4102, Part 1 (building material class B2); resistant to flying sparks and radiant heat pursuant to DIN 4102, Part 7

• Meets application category K2 by DIN 18531-1

• Property class E1 (high mechanical and thermal resistance) by DIN 18531-2

• Contains no chlorine and plasticizers

• No heat shrinkage

• Subject to internal and external monitoring in accordance with the requirements of the EN standards (CE), local certificates, fire spreading resistance and the BCCA directives (or European certificate)

• FLL test certificate Thickness: 2,5mm

• Weight: 2,75 kg/m²

• Dimensions: roll of minimum 3 x 20m

• Tensile strength: ≥ 400N/50 mm following NBN EN 12311-2

• Elongation: ≥ 300 % as following NBN EN 12311-2

• Folding at low temperatures: -30°C following NBN EN 495-5

• Mechanical strength: class IA following NBN EN 12311-2

• Nail resistance: ≥ 300 N/mm following NBN EN 12310

• Joint: shear strength: ≥ 200 N/50mm following NBN EN 12317-2

• peal strength: ≥80 N/50 mm following NBN EN 12316-2

• Free shrinkage: < 0,5% following NBN EN 1107-2

• Fire spread resistance: BROOF (t1) following NBN EN 13501-5

• Root resistance: FLL certified

• Membrane color: White

Execution The single ply EPDM membranes are installed strictly in compliance with the manufacturer’s instructions and following the guidelines of the technical approval of the product.

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The membrane is completely adhered to the insulation using an appropriate primer after having removed with a light flame the thin protection layer of the insulation.

The seams or base flashing, as indicated on drawings, are heat welded using a hot air machine, following the manufacturer's guidelines.

After completion, the roofing contractor will test the water tightness of the membrane on leakages and give the COR a certificate issued by the manufacturer, certifying that the works have been carried out correctly, together with a ten-year manufacturer’s warranty certificate (without reservation) on materials and workmanship, concerning the water tightness of the sealing system.

Membranes are applied in maximum sheets according to shrinkage. Upstands and vertical connections are executed in separate sheets, all adhered according to manufacturer’s instructions.

Included: all necessary protective and separation layers and dilatation joints, following the manufacturer’s instructions, etc.

Net horizontal reflection of the surface, without deduction of openings of less than 0.5m².

A roof plan (including shop drawings) has to be worked out by the contractor, as well as structural calculations of the peaks of wind suction. The plan has to be approved by the COR.

Place EPDM membrane so that it lies freely on an appropriate support, as close as possible to its final position, and leave it to rest for at least 30 minutes before fixing or bonding. In perimeter zones, the membrane will be fully adhered to the insulation Adjacent membranes must overlap by at least 100mm and spliced with a self-adhesive splice tape to form a continuous, watertight membrane. All flashings around roof perimeters and penetrations are installed in accordance with the manufacturer details.

For scupper drain installation, the main membrane must be installed before the overflow is positioned. Cut a hole in the membrane to the same size as the passage and place the metal part in the hole. A bead of impermeable mastic is placed between the membrane and the wall of the metal part.

The metal part must be fixed mechanically with a spacing of 100mm, unless otherwise indicated. The assembly is covered with roofing manufacturer’s recommended flashing system which is to cover at least 75mm of the main membrane. The detail is completed by the application of reinforcing adhesive mastic, according to the manufacturer’s specification.

05.04 Roof Water Drainage

05.04.01 Spill-out scupper, scupper box, downspouts and fascia Materials The spill-out scupper, scupper box, and downspout shall comply with TV 191 Section 3.4.3 and are made of a material as indicated and compatible with adjacent roof construction.

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Downspouts: Fabricate prefinished-coated galvanized steel round downspouts to dimensions indicated on Drawings, complete with mitered elbows. Furnish with metal hangers from same material as downspouts and anchors

• Thickness: 0.56mm thick minimum.

Parapet Scuppers: Fabricate prefinished coated-galvanized steel scuppers to dimensions required, with closure flange trim to exterior; or tapered strip into field of roof as indicated on drawings.

• Thickness: 0.71mm thick minimum.

Scupper box: Fabricate scupper box with flanged back and stiffened top edge and of dimensions and shape indicated, complete with outlet tubes, exterior flange trim, and built-in overflows].

• Thickness: 0.71mm thick minimum.

Fascia with flashing: Fabricate prefinished coated-galvanized steel fascia and flashing in minimum 2,400-mm long, but not exceeding 3,600-mm-long sections.

Furnish with 150-mm wide, joint cover plates, unless otherwise indicated.

• Thickness: 0.71mm thick minimum.

Execution Downspouts shall be installed according to the instructions in Chapter 3 of the NBN 306 standard. Be sure to ensure free dilation to the pipes at the time of fixing.

In accordance with TV 191 - The flat roof, connection and finishing (BBRI, 1994).

The outlets are incorporated into the roof system in accordance with the ATG guidelines for the relevant waterproofing material.

The contractor shall provide to the COR for prior approval detailed shop drawings and materials samples, as well as calculation verifications for the roof drainage dimensions in order to ensure proper and sufficient roof drainage before installation can commence, these need to be provided sufficiently in advance to incorporate any changes necessary to other construction elements being influenced by the location and sizes of downspouts, parapet penetrations as well as civil works.

Scope

• Measurement code: pieces (PC) Included:

• Supply, transport, assembly, means of assembly

• All cuttings, fixation and other accessories necessary for the connections with the exterior wall and edge of roof.

• Parapet penetrations, leaf guards and other accessories required

• Executional plans, shop drawings, calculations and materials samples for prior approval by the COR.

• All materials, accessories and elements required in order to obtain a fully functional and finished system and building envelope assembly.

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DRAINS

06.01 General Notes

- The contractor shall comply with the requirements of ‘Technical specifications Section 01 - General’. Deviations on these specifications are indicated in the description of the respective component.

- Submittal Register: The Submittal Register gives an overview of all the required documents/reports/… which shall be submitted for approval by the contractor to the COR. All these documents/reports/… shall be written in English.

- CE-marking: In accordance to ‘The Construction Products Regulation (EU No. 305/2011)’, the products for which a CE-marking is requested, shall always contain the DoP (Declaration of Performance) and proof of conformity from internal and external tests. CE marking shall be the only marking which attests conformity of the construction product with the declared performance in relation to the essential characteristics covered by that harmonized standard or by the European Technical Assessment.

- All building construction and execution details are to be properly evaluated and developed by the contractor based on the specific products and systems selected for execution by the contractor in such a way that all building components and assemblies are fully functional and finished and meet performance requirements, including full compliance with U.S. and host nation regulations as well as manufacturer’s prescriptions and instructions. Depending on the chosen manufacturers, products or systems selected; the design details or drawings may need to be redesigned by the contractor to meet these performance requirements and good practice principles. All materials and efforts required to obtain fully compliant, functional and finished assemblies are included. All construction details shall be properly evaluated, prepared and presented by the contractor for prior approval by the COR before construction.

06.02 Sewerage

06.02.01 General

Work includes: all related works, such as excavation work, shoring and propping work, foundations, pipes, accessories and inspection parts, connection to other pipes, inspection manholes or units, perforations through walls and shafts, water tightness tests, visual inspection by camera as well as local water tightness leak tests of joints, cleaning, backfill, removal of excess or inappropriate soil, all provisionary surface water drainage work, sewage system drawings, the sewage trace system, etc.

If requested by the result, the contractor shall proceed with fixing all leaks. New water tightness leak tests shall be done, at contractor’s expense, until a leak free system has been installed.

06.02.02 Sewerage pipes

Description This refers to underground placed drain pipes, designed for the drain of sewage water (domestic).

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Material The synthetic sewage pipes shall meet the requirements of SB 250. Pipes shall be in compliance with the following standards and are BENOR certified.

Pipes Standard polyethylene pipes NBN T 42-112

All pipes have to be heat resistant for temperatures till 100°C.

Execution Pipes shall be laid according to SB 250.

Any and/or all damaged pipes shall be replaced. After the excavations the bottom of the trench has to be leveled. If necessary, the walls shall be shored in order to avoid collapse. Pipes between two manholes or receiving units shall be accomplished as much as possible with straight sections, starting at the lowest point of the slope.

The pipes are supported by a foundation, on the entire length. The width of the foundation is at least equal to the external diameter of the pipe plus 30cm.

When going through walls, the pipes are laid in "free span" according to NBN EN 1519 and NBN EN 12666-1. Under the foundation slabs and the footings, the drains are laid in a shaft to obtain a free space of 5cm above the pipes. Filling up of the trench cannot begin ‘til after the completion of required leak testing and after the approval of the COR.

The contractor carries out all the connections to the piping, receiver unit and inspection manholes.

Before provisional acceptance, the contractor supplies the COR with an as-built drawing of the sewage system.

This drawing indicates the location and the levels of all the pipes and collectors and the flow directions.

If for any reason the provided routing is rejected and the passage is made through a structural part (wall or floor), the drainage pipes shall be equipped with fire stopping metallic edging strips, having the same fire resistance as the wall through which it goes.

A leakage test shall be performed in accordance to NBN EN 1610, Method ‘C’. A report shall be submitted for approval to the COR.

SB 250 - I. 2. SEWAGE PIPING

I.2.1. SPECIFICATION

Piping made up of circular pipes with watertight coupling sleeves and normally not subjected to pressure.

I.2.2. TECHNICAL DEFINITIONS

1.A. Trench measurement The trench size depends on the type and diameter of the pipe to place taking the following into account : The supplementary width of excavation of each pipe and its tolerance is :

- for a trench depth of 0.00 to 0.50m : at least 0.20m;

- for a trench depth of 0.50 to 1.00m : at least 0.30m;

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- for a trench depth of 1.00 to 2.00m : at least 0.50m;

- for a trench depth of over 2.00m : at least 0.50m.

The tolerance over the values given is 15cm.

The trench measurements are taken without consideration of pile sheets.

In the case where the contractor digs trenches that are larger than the measurements mentioned above

- he shall inform the COR;

- all related costs shall be supported by the contractor.

1.B. Bottom profile of the trench The longitudinal profile of the soil surface at the bottom of a trench shall be parallel to the longitudinal profile of the pipes.

1.C. Preparing the trench's bottom in case of unstable soil The preparation of the trench's bottom after the excavation, in those areas where the soil is unstable, one or more of the following actions can be taken:

- extra excavations until stable soil is reached;

- replace the excavated material with an appropriate supplementary material :

sand, sand- cement, or crushed-stone ;

- the application of a geo-textile for the improvement of the base under the pipes.

The preparation of a trench's soil and its replacement with appropriate supplementary material (sand, sand-cement or crushed-stone) is only done after the approval of the COR. refilling is executed according the requirements of SB 250.

The geo-textile to be applied in the trenches and the construction wells is done on the floor and sides of the trench or construction well, and closes above with an overlap of at least 1m in length as well as in width.

I.2.2.-5.3. MATERIALS UTILIZED FOR REFILL

The refill includes the placement of sand-cement on the base of the trench and around the pipes. The covering above the pipes ‘til the surface shall be done with sand or reinstatement of excavated soil.

The refill shall be realized in a way that :

the filling up is homogeneous ;

• the main penetration x, with a light blow on a probe, on the entire depth by 10cm layers from the base, is 40mm/blow.

The final filling up of the trenches can only be executed after the permission of the COR. The contractor finishes the filling up in layers of 30cm maximum.

The use of a device for the filling up in depth is not authorized.

I.2.2.-14. KEEPING THE TRENCH DRY

The excavation and the placement of pipes shall only be done in a dry area, if necessary, draining the area in order to keep the water at least 0.50m below the trench bottom.

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Any interruption in the dewatering operation will be reported to the COR. The drainage water shall not be emptied in the sewers.

The lowering of the water table shall be done in such a manner as to avoid any riparian degradations.

The drainage is continuous up to the moment when the trench is entirely refilled, checked, and accepted.

I.2.2.-15. MAINTENANCE OF THE TRENCH

The contractor is responsible for maintaining the trench. He shall have appropriate material on site for the progress of the works, taking into account possible tests of water tightness.

In all circumstances the timber trench reinforcing shall follow the adjoining terrain and resist the soil's active and neutral pressure.

I.2.2.-16. PROTECTION AND RE-ROUTING OF EXISTING UTILITIES

All necessary work for the maintenance and movement of public utilities, passing through the vertical parts of the trench, are a general responsibility for the contractor.

The utility cables that cross the trenches and which are not placed in a section of the sewer shall be maintained; the support, the temporary disconnecting, the displacement and reconnection as well as putting them back in place are the responsibility of the contractor.

Work includes: all utilities that need to be displaced in function of the site works. The contractor is obliged to adapt his manner of shoring in such a way that the cables can be maintained.

I.2.2.-16. HANDLING OF EXCAVATED SOIL

The excavated soil, re-used as refill, will be subjected to physical separation aimed at eliminating its contents of stones and foreign materials, in accordance with regional and national soil legislation. This soil becomes the property of the contractor and will be removed from the site following the local guidelines to a suitable disposal or treatment center, if necessary and/or required.

All related costs such as transport and disposal costs, etc.