OFF_3270

For the attention of:

Nikola Muravljov

[email protected]

Pages: 6# Milan, 27

th June 2014

Our ref.: Offer 3270.14

Subject: Corridor X bridge near Pirot. Post-tensioning.

Dear Sirs, with reference to your enquiry and the correspondence held, we are pleased to submit you our technical and economic proposal for the above mentioned bridge as per the scope of work defined hereunder, including supply of indicated materials and rental of equipment. GENERAL SCOPE OF WORKS

For the realization of the bridge in the subject, we offer:

• post-tensioning material supply and equipment rental

All the material quantities offered shall be confirmed by your Procurement department; in case of any variation to what follows, this offer shall be subject to revision.

Fig.1- Covas viaduct (Portugal)

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1 MATERIAL We will provide anchorages, steel strand, ducts and necessary accessories to install the Post-Tensioning systems. We have considered to supply:

1.1 Anchorages All anchorages are considered as live and accessible. No transversal post-tensioning is included in the project. 1.1.1 Internal post-tensioning system The MTAI post-tensioning anchorage system, with its compact geometry and reduced angle of deviation, is the most modern, high-performance TENSACCIAI development. Prices of live anchorages include the supply of casting, wedge plate, HDPE connector and wedges.

Fig. 2-MTAI internal PT system

The following anchorages are offered:

• 9MTAI (up to 9 strands) 8 Nos.

• 12MTAI (up to 12 strands) 24 Nos. 1.1.2 Coupler MTG system The MTG coupler system is fully integrated with the MTAI system and allows installations of cables in different separate stages. The design foresees the use of 9No. x 0,6” strand tendons couplers. Prices include the supply of casting, coupling disk, HDPE and steel connector, wedges with springs.

Fig. 3-MTG coupler system

The total number of MTG anchorages is as follows:

• 9MTG couplers 12 Nos.

• 12MTG couplers 36 Nos.

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1.1.3 External post-tensioning system The design foresees the use of 9No. x 0,6”S strand tendons. Prices include the supply of casting, anchor head wedge plate + deviator, wedges and plastic grout cap. Any steel form tubes to be welded onto the casting and embedded into the concrete at the anchorage zone is not included in our quotation.

Fig. 4-MTAIE external PT system

The following anchorages are offered:

• 9MTAIE (up to 9 strands) 48 Nos. 1.2 Grouting accessories Grouting accessories (Grout and vent port and pipes, valves) prices are included in the Subcontract price proposed. 1.3 Ducts 1.3.1 Ducts for internal Post-Tensioning Corrugated galvanised metal ducts supplied in 5.8m long element, inclusive of one coupler per each duct piece are offered. The following ducts will be provided:

• 72/77 th=0,35mm duct 947.00m

• 80/85 th=0,35mm duct 2,863.00m

1.3.2 Ducts for external post-tensioning Supply of HDPE rigid pipe to be butt welded on site whenever necessary. Diameter shall be as follows:

• 90mm OD 1,784.00m

1.4 7-wires low relaxation steel strand

Supply of low relaxation 15.7 mm (0.62”) diameter, 150mm2 nominal cross section,

grade 1860/1670 N/mm2, 1.18 kg/m unit weight steel strand is included in this offer; quantity are as follows:

• 15.7mm steel strand 69,550.00 kg

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The quantity above doesn’t include stressing overlength and scraps, which are anyway included in the price proposed.

Fig.5-Mooring Dolphins (Italy)

2 POST-TENSIONING EQUIPMENT We foresees the needing of the following equipment to perform the post tensioning tendons installation:

• No. 1 hydraulic monostrand jacks and relevant hydraulic pump for anchorages prestressing;

• No. 1 MT3000 hydraulic multistrand jack;

• No. 1 hydraulic pump for anchorages prestressing;

• No. 1 strand pushing machine for strands threading into the ducts;

• No. 1 grouting pump for tendon injection;

• No. 1 HDPE duct welding machine;

• No. 1 strand dispensers.

Fig.6-Brookfield/Manhattan West Development project site (USA)

A bank guarantee for the whole value of the equipment on rental is required.

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3 PRICES Prices for the supply of material and rental of the equipment as detailed above are as follows:

PRICES

Material Items 1.1-1.2-1.3-1.4 100,000.00Euro

Equipment rental price Set as per item 2 2,550.00Euro/month

4 GENERAL CONDITIONS

4.3 At TENSACCIAI’s charge 4.3.1 all materials described in the present quotation, delivered EXW-Udine; 4.3.2 the rental of equipment, delivered EXW, for the works as described at

paragraphs 2;

4.4 At Contractor’s charge 4.4.1 Materials storage area; lockable warehouse for storage of equipment; 4.4.2 supply of integrated shop drawings, as built records; 4.4.3 all lifting equipment to lift up materials and to handle materials and equipment

where necessary; 4.4.4 full time lifting during stressing and strand installation activities; 4.4.5 supply and installation of all the conventional reinforcement including the local

zone spiral and the anchorage reinforcement; 4.4.6 supply the support chairs or the U bars for PT tendons; 4.4.7 fixing of multi strand anchors, both live and dead end; 4.4.8 any diablo, deviator or steel pipe for the external post-tensioning; 4.4.9 supply of all tendon grouting materials; 4.4.10 lighting of deck and site area in general; 4.4.11 electrical power, compressed air up and water to installation place; 4.4.12 any structure’s geometrical control and any calculations related to loads to be

applied to the tendons, to structural deformations during every phase of cables’ stressing;

4.4.13 maintenance equipment and personnel; 4.4.14 price for return of TENSACCIAI equipment; 4.4.15 additional tests on materials or on PT system (if any); 4.4.16 all risk insurance policy; 4.4.17 VAT and any other local taxes or custom duty; 4.4.18 what excluded in the Scope of Works.

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5 OTHER CONDITIONS

• PAYMENT: material 100% by L/C. Payments for equipment rental shall be by direct TT guaranteed by bank security; the same security shall cover also the value of the equipment in case of any damage or theft.

• ESCALATION OF PRICES: Prices are fixed and firm for 30 days. After that term this offer shall be revised.

• VALIDITY OF THE OFFER: 30 days.

• DELIVERY: to be agreed. We thank you for having given us the opportunity to quote you for this project and remain at your disposal for any further information you might need.

For any clarification or additional information please contact:

Mr. Gennaro Carusone, +39 024300161, [email protected]

Yours faithfully.

Riccardo Pontiggia Business Development Director Tensacciai Srl