Attachment 2 - Bill of Quantities.pdf

par.u g.

Lengt h larg. H/Wei ght Unit Price TOTAL

SAFETY COSTS 2,000.00 €

1 N. P.

This item includes all works, supplies, machinery, and equipment necessary to ensure the safety of the construction site in full compliance with current legislation, including Legislative Decree No. 81/2008 and subsequent amendments.

The item specifically includes the temporary site electrical installation, complete with main distribution board and all associated components; site perimeter fencing;

temporary pedestrian walkways for users crossing the works area; and the possible temporary road closure by means of gates and/or removable metal barriers.

Any other measures required by current health and safety regulations applicable to construction sites are also included and compensated within this lump-sum item.

M I S U R A Z I O N I:

SAFETY SITE 1.00 1

Lump sum 1.00 2,000.00 € 2,000.00 €

DEMOLITION, BACKFILLING, AND TRANSPORTATION

2 N. P.

This item includes the complete removal of the existing porphyry cobblestone paving, carried out using appropriate mechanical and/or manual equipment, including the removal of the bedding mortar layer and the underlying subfloor screed, whether in sand, gravel, or cement-bound material.

During removal operations, the Contractor shall take all necessary precautions to avoid damaging the porphyry cobblestones, as these are intended for reuse. All removed cobblestones shall be carefully cleaned of any residual mortar, inspected, and sorted. Damaged or broken elements shall be set aside and shall not be reused. All undamaged cobblestones shall be carefully stacked and stored in the designated temporary storage area within the site, and shall remain the property of the Client.

All non-reusable materials resulting from the demolition, including broken cobblestones, bedding mortar, and screed debris, shall be loaded, transported, and disposed of at an authorized landfill at the Contractor's sole expense, in accordance with applicable waste disposal regulations.

All works described above, including removal, cleaning, sorting, stacking, transport to temporary storage, and disposal of non-reusable materials, are included and compensated within the unit price for this item.

M I S U R A Z I O N I:

Removal of porphyry paving

Lump sum 3 N. P.

This item includes the complete demolition of floor substrates, including concrete slabs, mass concrete foundations, and similar elements, within the works area, carried out using appropriate mechanical equipment such as hydraulic breakers, pneumatic tools, or excavators, as deemed most suitable by the Contractor.

The demolition includes reinforced concrete foundations of any type, whether reinforced with steel bars or electro-welded mesh, regardless of depth and concrete compressive strength. Steel reinforcement shall be separated from the concrete debris on site and disposed of separately as scrap metal, in accordance with applicable waste disposal regulations.

Where demolition works are carried out in proximity to existing structures, the Contractor shall take all necessary precautions to control vibrations and avoid damage to adjacent elements.

The transport and disposal of all resulting non-reusable materials to an authorized landfill is excluded from this item and shall be measured and compensated separately.

All works described above, including demolition, breaking, separation of reinforcement, and on-site handling of resulting materials, are included and compensated within the unit price for this item.

M I S U R A Z I O N I:

Demolition of sub-base/screed

Lump sum 4 N.P.

This item includes trench excavation with a defined cross-section, to a maximum depth of 2.00 m measured from the existing ground level or, where not applicable, from the top of the trench, in soils and materials of any nature and consistency, including loose and compact clays, sand, gravel, pozzolana, lapilli, tuff, and similar materials.

The item applies to both dry and wet conditions, including the presence of water accumulating in the trench up to a height of 0.20 m, excluding water of groundwater origin.

The item includes all of the following operations:

-Levelling and profiling of the trench bottom to the required gradient and dimensions;

-Removal of excavated material and placement at the trench edge or in a safe position as directed by the COR;

-Any shoring, temporary support works, or trench stabilization measures of any type required to ensure the safety of workers and the stability of the excavation, in accordance with Legislative Decree No. 81/2008;

- Loading of excavated material onto transport vehicles.

The excavation shall be carried out by mechanical means and/or manually, as required by site conditions and the proximity of existing underground utilities.

M I S U R A Z I O N I:

Excavation for trench and manholes/inspection chambers, and any other work necessary for pipe connection

Lump sum 5 N. P.

This item includes the complete backfilling of trenches and excavations associated with the new underground utility works, using selected and approved backfill material, including material arising from the construction site excavations where deemed suitable by the COR.

The backfilling shall be carried out in compacted layers not exceeding 0.30 m in thickness, with watering as necessary to achieve the optimum compaction moisture content. Any top-up fills required after settlement shall also be included.

The compaction shall achieve a minimum degree of compaction of 95% Standard Proctor Density (SPD), as verified by field density tests where required by the COR. The cost of any compaction testing required by the COR shall be included within the unit price for this item.

Any excavated material found to be unsuitable for reuse as backfill, including organic material, debris, or material with excessive moisture content, shall be removed from site and disposed of at an authorized landfill at the Contractor's expense, and replaced with suitable imported backfill material.

The item includes all on-site handling and movement of materials, transport to the place of use, unloading, spreading, watering, and compaction, carried out by mechanical means and/or manually as required by site conditions.

M I S U R A Z I O N I:

Various backfilling work

Lump sum 6 N. P.

Lifting up or lowering of materials by means of a mechanical lift if a previously authorized by the Legislative Decree. including the cost of loading and unloading materials: volume evaluation

M I S U R A Z I O N I:

Handling of excavated material

Lump sum 7 N. P.

This item includes the loading and transport, by any suitable means of transport, of all materials arising from demolitions and excavations, including wet or waterlogged material to authorized landfills or licensed waste treatment facilities.

The authorized receiving facility shall countersign a copy of the waste transfer documentation (FIR – Formulario di Identificazione Rifiuti) in accordance with applicable waste management regulations. The Contractor shall retain copies of all waste transfer documentation and submit them to the COR upon request.

The Contractor shall ensure that all waste carriers are registered with the Albo Nazionale Gestori Ambientali (National Register of Environmental Managers) and hold all permits required for the transport of the relevant waste categories. Materials shall be classified and transported in accordance with the applicable CER (Catalogo Europeo dei Rifiuti) waste codes.

The Contractor shall be solely responsible for the correct classification, handling, transport, and disposal of all waste materials arising from the works, in full compliance with Legislative Decree No. 152/2006 (Environmental Code) and subsequent amendments.

The item includes loading carried out by mechanical means and/or manually, transport to the authorized facility, and subsequent unloading.

Loading and transport to landfill/disposal site of waste materials (specific weight 1800 kg/m³) Lump Sum

8 N. P.

This item covers the costs associated with the delivery of waste materials to an authorized recovery plant or licensed landfill for the purposes of recovery or disposal, classified according to the European Waste Catalogue (EWC/EER) codes assigned in accordance with applicable regulations.

Proof of successful disposal or recovery shall be provided by the authorized receiving facility by means of a written declaration stating the quantities received, together with any other documentation required to demonstrate the lawful transfer of waste to authorized facilities, in full compliance with Legislative Decree No.

152/2006 (Environmental Code) and subsequent amendments.

The Contractor shall be solely responsible for the correct classification of all waste materials in accordance with the applicable EWC/EER codes, and shall ensure that all receiving facilities hold the necessary authorizations for the recovery or disposal of the relevant waste categories.

All waste transfer documentation, including signed copies of the FIR (Formulario di Identificazione Rifiuti) and facility declarations, shall be retained by the Contractor and submitted to the COR within 30 days of each delivery to the authorized facility.

M I S U R A Z I O N I:

Disposal cost

Lump sum

AMOUNT

Nr Item Description of works

DIMENSION

Quantity

SEWER LINE

9 N. P.

This item includes the supply and installation of unplasticized polyvinyl chloride (uPVC) pipes for gravity sewer systems, with the following technical specifications:

- Standard: UNI EN 1401 – Plastic piping systems for non-pressure underground drainage and sewerage

- Pressure rating: PN 16

- Nominal diameter: 225 mm

- Wall thickness: 13.4 mm

- Colour: Dark grey, RAL 7011

- Joint type: The Contractor may choose among the following joint types:

- Rubber ring socket joint, type FORSHEDA 601 POWER-LOCK™ -Solvent cement (glued) socket joint

- Plain end joint

The installation shall include the preparation of the sand bedding layer, laying of the pipes to the required gradient and alignment, jointing, and any necessary adjustments to ensure correct invert levels as indicated in the project drawings.

Upon completion of the installation, the sewer line shall be subject to a hydraulic pressure test and/or air test in accordance with UNI EN 1610 (Installation and testing of drain and sewer pipelines) to verify the watertightness of the pipeline and all joints. The cost of testing is included within the unit price for this item.

All works described above, including supply, delivery to site, handling, laying, jointing, bedding, and testing, are included and compensated within the lump sum price for this item.

M I S U R A Z I O N I:

Sewer piping

Lump Sum 10 N. P.

This item includes the supply, delivery to site, and installation of sand for the following purposes:

-Pipe bedding: a sand bedding layer shall be laid at the bottom of the trench prior to pipe installation, to a minimum thickness of 10 cm below the pipe invert, to ensure uniform support along the full length of the pipe;

- Pipe covering: following pipe installation, the pipe shall be covered with sand to a minimum depth of 10 cm above the crown of the pipe, to protect the pipe from damage during backfilling operations;

- Manhole surrounds: sand shall be used to fill and compact the area around the base of manholes where required, to ensure stability and prevent differential settlement.

The sand used shall be clean, well-graded, and free from organic material, clay, or other deleterious substances, with a grain size of 0–5 mm. The material shall be subject to approval by the COR prior to use.

The sand shall be carefully placed and lightly compacted by hand or with appropriate mechanical equipment to avoid displacement or damage to the pipes and joints during the compaction process.

M I S U R A Z I O N I:

Sand bedding for pipes

Lump Sum 11 N. P.

This item includes the supply and installation of in-situ concrete of guaranteed performance class for foundations, fillings, and screeds, with the following technical specifications in accordance with UNI EN 206 (Concrete – Specification, performance, production, and conformity):

- Consistency class: S4

- Maximum aggregate size: 32 mm

- Compressive strength class: C25/30

- Characteristic cylinder compressive strength (Rck): 300 N/mm² The concrete shall be reinforced with Ø6/150 mm electro-welded steel mesh, supplied and installed as part of this item.

The concrete shall be poured, spread, and levelled to the dimensions and thicknesses indicated in the project drawings. Following placement, adequate curing measures shall be adopted to prevent premature drying and ensure the development of the specified compressive strength, particularly in hot or windy weather conditions.

M I S U R A Z I O N I:

Reinforced concrete screed/slab for pipe protection Various concrete haunching around inspection manholes

Lump Sum 12 N. P.

Supply and Installation of Inspection pit supplied and installed in self-supporting prefabricated concrete elements compliant with the UNl EN 1917 standard made of vibro-compressed concrete with resistance class C32/40, exposure class XC2 (resistance to carbonation corrosion), freeze thaw), S1 humid earth slump built with the following elements: 100 cm high bottom element with thickness reduction footprints for the introduction of the crossing pipe. Driveway covering slab. The elements will be placed on a concrete slab 20 cm thick, reinforced with 20x20 mesh electro-welded mesh, 20 cm larger than the external dimensions of the well. The elements will be sealed and grouted with the interposition of cement mortar. The company The manufacturer must provide the static verification calculations of the elements upon request from the COR. The elements are produced and controlled, in the various stages of production, by a company in possession of the UNl EN lSO 9001:2015 Quality System. Including and compensated for any other costs necessary to ensure the work is finished and functional:

bottom internal section 60x60 hint =100 cm, wall thickness 12 cm.

M I S U R A Z I O N I:

Manholes

Lump Sum 13 N. P.

Same as above...finished and functional, excluding only excavation and backfilling: internal section extension 60x60 height = 100 cm, wall thickness 12 cm.

M I S U R A Z I O N I:

Manhole extension

Lump Sum 14 N. P.

Inspection manhole, supplied and installed, in ductile cast iron according to UNI EN 1563, (previa rimozione di quelli esistenti C25 inclusa nel prezzo)compliant with UNI EN 124 - Class D400, certified as a Quality Guarantee according to UNI EN ISO 9001:2000, suitable for severe and intense conditions of traffic, with a manhole of 600 mm, coated with protective synthetic paint and made up of: Frame with a square shape with a side of no less than 850 mm, a height of no less than 75 mm, with fixing holes and slots, equipped with a gasket anti-tilting seal in polyethylene housed in a special seat; circular lid with vibrated concrete filling and anti-wear surface treatment.

M I S U R A Z I O N I:

Manhole covers

Lump Sum 15 N. P.

MANAGEMENT OF INTERFERENCES OF VARIOUS.

This lump-sum item covers the management, repair, and/or replacement of all existing utility interferences related to building services and underground utilities that may be encountered during the sewer network replacement works. Such interferences may include, but are not limited to, potable water supply pipelines, electrical networks, LAN/telecommunications networks, and rainwater drainage systems.

Upon discovery of any interference, the Contractor shall immediately notify the COR and document the condition of the affected utility by means of photographic evidence taken before, during, and after the intervention. The Contractor shall also coordinate with the relevant utility providers or network operators as required, to ensure that any interruption to services is minimized and managed in accordance with the providers' requirements.

All repair and/or replacement works shall be carried out with the utmost urgency to minimize disruption to services within the Villa Taverna compound. Upon completion, the repaired or replaced utility shall be fully restored to its original functional condition or better.

The lump-sum item includes any professional, technical, or specialist service required, as well as the supply of materials of any type and specification, including the replacement of damaged, deteriorated, and/or broken components of any kind, regardless of the utility type involved (potable water, electrical network, LAN/telecommunications, rainwater drainage, or other).

M I S U R A Z I O N I:

Various utility interferences/conflicts lump sum

PAVING

16 N. P.

This item includes the reinstatement of porphyry cobblestone paving using the cobblestones previously removed during the excavation works. Where cobblestones are found to be damaged, broken, or insufficient in quantity to complete the reinstatement, new porphyry cobblestones of matching size, colour, and material shall be supplied and installed to supplement the recovered units, at the Contractor's expense, placed on the underlying foundation screed, with the following technical specifications and in accordance with UNI EN 1342 (Natural stone paving units for external areas).

Prior to installation, all previously removed cobblestones shall be carefully cleaned of any residual mortar, inspected, and sorted. Only undamaged cobblestones with a minimum thickness of 10 cm — suitable for areas subject to heavy vehicle traffic — shall be reused. Damaged or broken elements, as well as any shortfall in quantity, shall be replaced or supplemented with new cobblestones of matching size, colour, and material, at the Contractor's expense.

The cobblestones shall be laid on a sand and cement bedding layer of minimum 5 cm thickness, mixed in the appropriate proportions, and shall be installed to match the pattern and geometry of the existing paving, including laying in geometric patterns where required by the project drawings.

The item includes all of the following operations:

- Preparation and levelling of the bedding layer;

- Cutting and adjustment of cobblestones around tree bases, manhole covers, kerbs, and changes in gradient or level;

- Mechanical and/or manual compaction ("beating") of the laid cobblestones to ensure full bedding contact and surface regularity;

-Sealing of all joints with cement grout — a semi-liquid mixture of sand of suitable grain size, cement, and water in appropriate proportions — to stabilize the cobblestones, bond them firmly to one another, prevent weed growth, and discourage insect nesting;

- Final cleaning of the paved surface upon completion.

The finished surface shall comply with a planarity tolerance of ±3 mm over a 3-metre straightedge and shall be suitable for heavy vehicle traffic loads.

A curing period of no less than 48 hours shall be observed before the reinstated surface is reopened to light vehicle traffic, and no less than 7 days before heavy vehicle traffic is permitted.

M I S U R A Z I O N I:

Porphyry cube paving

SOMMANO m2

SAFETY 2,000.00 €

DEMOLITION, BACKFILLING, and TRANSPORTATION

SEWER LINE

PAVING

T O T A L E euro

Bill of Quantities