ASHE_09-1031_Addendum_2.pdf

ADDENDUM #2

TECHNICAL SPECIFICATIONS REVISION 1

PROJECT ASHE 09-1031 RESTORE HANGAR,

BLDG. 921, AREA F, AVIANO AB, ITALY

Change Item 22, Part IIa , Architectural Work – B (Sustain Works), to read in the description:

22. Furnish and installation of new roof package consisting of:

- Perimeter wooden joist cm 10x10 , pre-treated with impregnating agent anchored on concrete every 70 cm.

- Solvent-based primer type Index Indever or similar approved.

Bituminous solution containing and quick-drying solvents.

Packaging homologated in accordance with the ADR on the basis of Ministerial Decree DM 22/02/1990.

- Elastoplastomeric polymer-bitumen draining waterproofing membrane and vapour barrier with an embossed upper face type Index Prominent or similar approved, reinforced with "non-woven fabric" polyester stabilized with roof-proof fiberglass, weight

4.0 kg/mq.

- Light weight concrete for sloping layer (8 cm thickness average minimum).

-10 cm thick insulation polyurethane foam “ Stiferite Class BH” or equivalent with upper surface covered with bituminous coating.

-First layer Elastoplastomeric polymer-bitumen waterproofing membrane type Index Flexter Flex Testudo Spunbond Poliestere or similar approved, 4 mm thick, reinforced with composed “non woven fabric” single –strand Spunbond polyester, flexibility to low temperature -25 C, stabilized with rot-proof fiber-glass and certified with ITC Agreement.

- Final layer elastoplastomeric polymer-bitumen waterproofing membrane type Index Mineral Reflex White Flexter Testudo FR TRIARM or similar approved, 4 mm thick, reinforced elastoplastomeric polymer-distilled bitumen membrane, with a distilled bitumen, plastomer and elastomer base, 3-layer composite stabilized Spunbond polyester reinforcement, flexibility to low temperature -15 C, special high saturation and luminosity white mineral self-protection for energy saving and the reduction of “urban heat islands” having Solar Reflectance Index SRI > 52- 54.

- Item includes exhaust vents n. 1/30 sq.m. and any other items to provide a job performed in a workmanlike manner.

Sq.M 1600.00

In accordance with Section AC1-03 and the Schedule of Material Submittals, the above item is subject to approval by the Contracting Officer. The submittal, in addition to the documentation required by the Schedule of Material Submittals, shall also include catalog data to allow verification of compliance with the item requirements set forth here above.