ASHE_15-1046_SOW_Addendum_2.doc.pdf

Project # ASHE 15-1046 DATE: Apr 2016

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Addendum #2

ASHE 15-1046 SUSTAIN ROOF AND PAINT FOR ELECTRICAL

SUBSTATION AREA F, AVIANO

AB, AVIANO (PN) ITALY

REVISION 2

ADDENDUM #2__________________________________________________________

A1.1. 1064

A1.1.1 Change item 4.1.1 to read “Material analysis. In this building it has been recorded the presence of asbestos in the glue of the roofing material, the item consists of paying and assisting the certified Laboratory to take random samples at the presence of a CE representative of the existing roof membranes and perform analysis to verify eventual presence of asbestos. Number of samples must be in accordance with Italian norms to provide an exhaustive situation of the membranes and at least one for each roof. Report data shall be conforming to National regulation and norms. Provide test result to Contracting Officer before starting the membrane removal activity.

LS

A1.1.2 Change Item 4.1.2. to read “Asbestos removal. The item consists of all necessary actions to perform a safe, correct and legal removal of asbestos containing material including request to appropriated Agency, fees, inspection, download, transportation, disposal and any other burden of the about 134 sm of the roof”.

A1.1.3 Change item 4.1.4. to read “Waterproofing removal. The item consists of remove the existing roof waterproofing which is most likely constituted by two layers of membrane, including lower, transportation and disposal”

SM 134

A1.1.4 Change item 4.1.12. to read “Painting for exterior metal surfaces, doors and shields, includes surface cleaning, blasting, sanding, one coat of rust proof paint on rusted areas, two coats of synthetic enamel paint based on alkylate resins (“smalto alchidico”). This paint shall specify that it is quick drying and washable. Remove existing paint on galvanized metal surface, supply and installation of non-reflective enamel paint suitable for galvanized metal surface.

Provide one coat of primer and two coats of enamel. Contractor shall remove all harmful substances from all metal surfaces using a jet blasting method, sandpaper, wire brush or sub with steel wool over the entire surface and scrape where necessary to remove damaged paint.

Contractor shall clean all rusted spots down to bare metal including spots where rust discoloration appears through the existing coating and apply one coat of anticorrosive paint.

Contractor shall use the proper equipment to perform the job to include scaffolding, protections, cleaning and any other work to provide a job in a workmanlike manner paint chosen by the Contracting Officer according with Aviano Standards.”

SM 17

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A1.2. 71121

A1.2.1 Change Item 4.2.1. quantity to read

SM 96

A1.2.2 Change item 4.2.4. to read “Furnishing and installation of n°2 signs 405x405 mm with

NATO symbol and 405x200 mm with Facility Number as per existing signs.”

A1.3. 71183

A1.3.1 Change item 4.3.5. to read “Plaster, the item consists of removing and repair any plaster and concrete in all sections as necessary including removal of plaster that sounds hollow prior to start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of not more than 8 percent.”

A1.3.2 Change item 4.3.13. to read “Furnishing and installation of n° 2 signs 405 by 405 mm with NATO symbol as per existing signs.”

A1.4. 71188

A1.4.1 Change item 4.4.5. to read “Plaster, the item consists of removing and repair any plaster start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the

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following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of

A1.4.2 Change item 4.4.13. to read “Furnishing and installation of n° 2 signs 405 by 405 mm signs with NATO symbol and n°2 200 by 405 mm with Facility Number as per existing signs.”

A1.5. 71189

A1.5.1 Change item 4.5.5. to read “Plaster, the item consists of removing and repair any plaster start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of

A1.5.2 Change item 4.5.13 to read “Furnishing and installation of n°2 signs 405 by 405 mm with

NATO symbol and n °2 405 by 200 mm with Facility Number as per existing signs”.

A1.6. 71192

A1.6.1 Change item 4.6.5. to read “Plaster, the item consists of removing and repair any plaster start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also

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brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of

A1.6.2 Change item 4.6.13 to read “Furnishing and installation of n°2 signs 405 by 405 mm with

NATO symbol and n°2 405 by 200 mm with Facility Number as per existing signs”.

A1.7. 71193

A1.7.1 Change item 4.7.5. to read “Plaster, the item consists of removing and repair any plaster start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of

A1.7.2 Change item 4.7.13 o read “Furnishing and installation of n°2 signs 405 by 405 mm with

NATO symbol and n°2 405 by 200 mm with Facility Number as per existing signs”.

A1.8. 71196

A1.8.1 Change item 4.8.5. to read “Plaster, the item consists of removing and repair any plaster start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling

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compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of

A1.8.2 Change item 4.8.13. to read: “Furnishing and installation of n°2 signs 405 by 405 mm with NATO symbol as per existing signs”.

A1.9. 71198

A1.9.1 Change item 4.9.5 to read: “Plaster, the item consists of removing and repair any plaster start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of

A1.9.2 Change item 4.9.13. to read “Furnishing and installation of n°2 signs 405 by 405 mm with NATO symbol as per existing signs”.

A1.10. 1217

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A1.10.1 Change item 4.10.1 to read “Material analysis. In this building it has been recorded the presence of asbestos in the glue of the roofing material, the item consists of paying and assisting the certified Laboratory to take random samples at the presence of a CE representative of the existing roof membranes and perform analysis to verify eventual presence of asbestos. Number of samples must be in accordance with Italian norms to provide an exhaustive situation of the membranes and at least one for each roof. Report data shall be conforming to National regulation and norms. Provide test result to Contracting Officer before starting the membrane removal activity.

A1.10.2 Change item 4.10.2 to read: “Asbestos removal. The item consists of all necessary actions to perform a safe, correct and legal removal of asbestos containing material including request to appropriated Agency, fees, inspection, download, transportation, disposal and any other burden of the about 70 sm of the roof.

A1.10.3 Change item 4.10.4. quantity to read

SM 70

A1.10.4 Change item 4.10.8 to read “Plaster, the item consists of removing and repair any plaster start painting any surfaces. Prior to painting, the contractor shall remove loose/damaged paint, repair all joints, cracks, holes and other surface defects with patching plaster or spackling compound and sand out smooth. On concrete surfaces showing cracks or exposed reinforcement bars, remove all loose and hollow surfaces to sound concrete. Exposed reinforcement bars will be cut 15 mm in order to have enough rebar cover after repair with plaster, they will be also brushed of rust and treated with a rust inhibitor product (passivante) Mapefer or Maperfer 1K conform to EN 1504-07, complete repair with special plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 or equal approved. Furnish and install the following plaster (rasante) cycle or equal approved as follows: thoroughly clean surface and remove old paint, install Fixwell primer, install two layers of plaster (rasante) Mapei Planitop Rasa & Ripara conform to EN 1504-9, 1504-3, 1504-2 specific for restoration, 3 - 40 mm thickness, install mesh on cracks, joints between the two layers of plaster. Installation of plaster will be strictly performed according to manufacturer installation instructions, including curing time. New plaster to be coated shall have an instrument measured moisture content of

SM 128

A1.10.5 Change item 4.10.13. to read “Furnishing and installation of n°2 signs 405 by 405 mm with NATO symbol as per existing signs.”

A1.11. Change item 3. WORK SITE CONDITIONS, paragragh b. to read “being that some substation falls in area subject to escort (71188, 71189, 71192, 71193, 71121 and 1217) and some falls in area not subject to escort, the contractor can perform works on multiple substations not subject to escort; the condition is to maintain accessible the substation (not possible to block any door with scaffolding or other equipment), the safety plan includes

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the fact that the substation is alive. In the area subject to escort the contractor cannot p e r f o r m more than one s u b s t a t i o n at a time. It is also possible to work one escorted and other not escorted. For the two substations subject to asbestos containing material investigation (1064 and 1217), it is possible to install the scaffolding to perform the sampling and keeping it in place for the necessary time to perform analysis and get the results both in 1064 and 1271 (keeping the access free) and then perform the job.”

A1.12. Item 3. WORK SITE CONDITIONS paragraph g. change to read “Electricity is available from the substations if the contractor is equipped with an electric panel with differential interrupters for safety (substations are not equipped with safety devices); it is not possible to consider water available for jet blasting, there are places in which is possible a fast fill on Base, but not near the substation, the contractors must foresee to have a tank”.

A1.13. General painting work performance: it is foreseen to paint the baseboard, the roof protrudes and the slab in front of the doors already painted (not in the substation with walkway around).