Technical_Specifications_Rev._7.pdf

PROJECT ASJE 09-1030 Technical Specifications Rev.7

DATE: 25 MAY 2017

31CES/CENM 1

Date: 25 MAY 2017

U.S. AIR FORCE

31ST FIGHTER WING

31ST CES/CENM

AVIANO AIR BASE, ITALY

TECHNICAL SPECIFICATIONS FOR

ASJE 09-1030 REQUALIFICATION OF AREA 2, PH#1

DEMOLITION

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1. SCOPE OF WORK:

The purpose of this project is the demolition and transportation, to an authorized disposal area, of existing permanent buildings located in Area A2. All demolition and disposal will be in accordance with all applicable norms and regulations, including asbestos removal-disposal, oil-water separators cleanout/removal/disposal, and area restoration. Additionally, this project includes supply and installation of a new water line to feed Area A1 from the

Area A2 water plant and the installation of a new Medium Voltage (MV) underground by-pass.

2. WORK LOCATION: Work place performance will be in Area A1 and A2, Aviano Air

Base, Italy, as shown in the below maps.

FIGURE 1 : SITE MAP

AREA A2

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FIGURE 2: SITE PLAN

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3. WORK SITE CONDITIONS:

a. The Contractor is permitted to use reasonable quantities of available electricity and water at the work site to perform works included in the project. The Contractor shall not alter characteristics of government owned utility connections and shall observe conservation practices at all times. All connections shall be the responsibility of the Contractor including restorations to initial conditions.

b. Interruption of utilities. Utilities shall not be interrupted until approval is received from the Contracting Officer. Any such need shall be requested in writing by the Contractor at least 10 days in advance of the needed interruption. Requests for utility interruption shall indicate the type of utility to be interrupted, the type of operation requiring the interruption, the date and duration. To the maximum extent possible interruption shall be scheduled on weekends or U.S. holidays in order to minimize impact to base activities.

c. Authorized work hours and days. Performance of work hereunder shall be from Monday through Friday excluding holidays from 07.30 to 17.30 hours. Extended hours and Work during weekends or holidays may be requested by the Contractor with a minimum of 10 days advance notice, however the Contracting Officer has the right to deny such request if reasons requiring extended hours, weekend and holiday work are not valid or for security or other necessities.

d. During construction, all of Area A2 inside the existing perimeter fence will be considered a construction zone. Existing perimeter fence and gates will remain intact and will be returned to the government unchanged at the completion of the project. It will be the responsibility of the contractor to secure the area and control access. Be advised, the entry gate is in a high traffic area during the school year and contractor access may be limited during peak traffic hours. The contractor shall mitigate impact to local traffic.

e. Contractor will maintain vehicle access for government personnel to facilities 246, 263, 264, and 265 throughout the entirety of the project.

f. Work will occur within and adjacent to residential areas in the Comune of Aviano.

Contractor will comply will all applicable norms and regulations in regard to control of noise, dust and all other environmental impact as required.

g. Toilet facilities in Area A2 will NOT be available for Contractor use. The Contractor shall have responsibility to bring to Area A2 portable restrooms to be used by its employees.

h. If welding is to be performed, the Contractor shall ensure a welding permit is obtained from the Aviano AB Fire Department prior to performing welding operations.

i. The Contractor shall not use base refuse containers to discard debris. All construction debris shall be discarded by the Contractor off base at authorized sites according to category of debris/refuse in strict observance of all host country laws, decrees and local regulations in force.

j. The Contractor shall be responsible for ensuring all personnel engaged in the performance of this contract observe all host country laws concerning safety and in particular Italian laws D.M. 81/08.

k. The Contractor shall perform no digging until receipt of a completely coordinated AF

Form 103 from the Contracting Officer.

l. At least 5 days prior to the pre-final inspection, the Contractor shall furnish, to the

Contracting Officer, certification of all disposed materials in accordance with host nation applicable norms.

m. All trees inside Area 2 shall be preserved. Contractor will adopt all necessary protections to preserve existing trees during the demolition activities. In the event a tree must be removed, government approval shall be required.

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n. The contractor is permitted to install on area 2 portable recycling and crushing plants to treat on site material coming from the demolition activities.

o. The Contractor is permitted to use crushed natural inert material (bricks, concrete, etc) as sub-base for back-filling.

4. PROJECT WORKS:

Projects works will be listed in the following parts:

Part. A - NEW WORKS.

Part. D - DEMO WORKS.

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4.A. Part. A - NEW WORKS.

New works include construction of a fence around Substation 246, supply and installation of a new water line to feed Area A1 from Area A2 water plant and a new MV underground by-pass to connect Substation

246 in area A2 to Substation 165 in Area A1.

4.A.1 NEW FENCE FOR B.246

Supply and installation of new security fence. Item includes:

- Supply and installation of hot zinc coated steel posts, one every 2.60 linear meter (l.m.), diameter

= 60.3 mm, 5 mm of thickness, without welding (“Mannesmann process”), 80 cm encased in concrete foundation and at least 2.15 meters(m) high above ground with same geometric characteristics of the existing posts. The item includes digging, compaction and pouring of class

C25/30 concrete foundation 60 x 60 x 90 cm and any other burden to have a job performed in a work-man-like manner

- Supply and installation of hot zinc coated bracings, diameter = 60.3 mm, 5 mm of thickness, without welding (“Mannesmann process”), with an angle of 30°, encased in concrete foundation

40 cm and mechanical connected to the posts with clamps and 12 mm stainless steel bolt. One bracing shall be installed every 4 posts, three bracing at any direction change more than 30 degree and two bracings shall be installed every 40 l.m. The item includes digging for the concrete foundation of the bracing posts, concrete pouring with concrete class C25/30, loading and transportation of resulting material to an authorized dumping site and any other burden to have a job performed in a work-man-like manner.

- Supply and installation of new zinc coated steel fence, h = 2.10 m with a mesh no more than 50 mm, wire diameter = 3.8 mm, four tension zinc coated steel wires (top, bottom and two in the middle) diameter = 4 mm, with same mechanical and geometrical characteristics of the existing

(steel, wire, mesh, height, ect.), fence will be tied to the bottom on new C25/30 40x30cm concrete curb pavement with galvanized steel clip to avoid being lifted no more than 5 cm at any point.

Install tenth galvanized steel 5 mm dia. clips (fermaglio) ties on each post and any other burden included to have a job performed in a work-man-like manner.

- Supply and installation of Y outriggers, 60 x60 x 8 mm “T” shaped, one for each steel pole, hot zinc coated steel two directions outriggers (to create a “Y”) 63 cm long 45° angled with the lodge of four strands on each side of barbed wire. The item includes the system to connect the outriggers to the posts by a 12 mm a stainless steel bolt and welded on the spot in the same pattern as the existing perimeter fence, and any other burden included to have a job performed in a work-man-like manner.

- Supply and installation of zinc coated barbed wire eight strands (four inside and four outside) with two 3 mm thick steel wires twisted with four stings at least every 10 cm, complete tension systems, connections and any other burden included to have a job performed in a work-man-like manner.

- Supply and installation of hot zinc coated double-door steel gate 2x150x210cm, including diameter = 80.0 mm tubular profiles, steel fence with a mesh no more than 50 mm, outriggers and barbed wires as for the fence, tension wires, accessories, latch closing system, lockset metal plate and every other item to provide a job in work-man-like manner.

35.0 l.m.

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4.A.2 NEW WATER LINE

Supply and install high density polyethylene piping for sanitary water, according to UNI 10910, UNI EN

12201 and UNI EN ISO 15494, suitable for sanitary water transportation according to Circolare n°102 of

1978/12/02 of Department of Health PN-16, complete with special parts, accessories, bents, flanges, bolts and screw nuts, anchorages, concrete protections, electrical welded sleeves. Line will be installed along the perimeter fence from area 2 water plant (Fac. 264) to 250mm valve # 1 and 250mm valve # 2. Item includes:

- Excavation in any kind of soil and compactness up to 1.0m deep;

- Sand bed;

- Warning tape

- Back-filling;

- Soil Restoration;

- Connection to 2 existing 250mm valves;

- All operations necessary for the work-man-like execution of the work.

Size 315 mm 500,00 l.m.

FIGURE 3 : WATER VALVES

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4.A.3 NEW MV BY-PASS (See Figure 4)

4.A.3.a Supply and install 220 l.m. (to be verified by the contractor) 1x orange PVC flexible conduit and

4x MV cable conduits, 160mm, from manhole# EH1005 (Area A1) to manhole# EH2014 (Area A2).

NOTE: The existing crossing path below the provincial road can be used.

Item includes:

- Two manholes, same dimension and features of the existing (e.g. MH #EH2014);

- Restore of the soil to the previous condition;

4.A.3.b Supply and install 260 l.m. (to be verified by the Contractor) of two 3-phase MV lines 3-1x150, from manhole# EH1005 (Area A1) to manhole# EH2014 (Area A2).The new MV cable lines shall have the same characteristics of the existing ones: 3-1x150 twisted type MV cable Type RG7H1RXR 12/20

KV.

The new cable must be pulled using Dynamometric Wrench and following the manufacturer data in order to avoid over pull, stress and damages to the cable during the pulling. Do NOT use vehicles

(i.e excavators or pickup trucks) to pull the cable. At each end, from the last manhole before the substations, the cable must be untwisted in order to enter the substation with 3 separate poles.

Furthermore, in the last manholes before the substations, the contractor will leave no less than 2.0 l.m. of extra coil of cable.

NOTE: 1. Before energizing the MV system, the contractor must perform an insulation test of the line using the Low Voltage (LV) procedure.

2. The modification of each three phases MV line must be performed in sequence to avoid any outage of the power distribution to Area A1.

Item includes:

- Perform Phase Concordance Test after the connection of the cables to the MV cells between substation #246 and substation #165 and between substation #246 and substation #17004;

- Supply and install 2 ea splices for each line inside the manhole EH1005 and EH2014; all the splice MUST be inspectable type Raychem GHVE 30/240-1, ENEL approved, or equivalent;

- Removal and disposal of 350 l.m. (to be verified) of cables (MV, FO and pilot one) placed in the following path # EH2014 – EH2015 - EH2016 - EH2017 - EH2018 - EH2019 - EH2020 –

EH1001 - EH1002 - EH1003 - EH1004 and EH1005. Loading and transportation to authorized public dump of all materials not to be reused, as directed by the Contracting Officer’s Technical

Representative;

4.A.3.c Supply and install 9/125 micron mono-modal 12 strand Fiber Optic (F.O.) cable for outdoor installation between substation #246 and substation #165 and between substation #246 and substation

#17004, in orange PVC flexible conduit placed in the new MV cable conduits.

- 260 l.m. of mono-modal F.O.

- Supply and install 2 ea splices for each line inside the manhole EH1005 and EH2014;

- All splices shall be tested for cable faults and splicing errors as they are completed. All cable faults and/or splicing errors detected shall be corrected after the completion of each splice point test and prior to sealing the closure. The contractor's Quality Control Manager and the designated government representative shall inspect all splices prior to sealing the closure. If, for any reason, moisture contaminates a splice, all modules and/or connectors shall be replaced and the entire splice retested at no addition cost to the government.

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- Fiber Optic Tests.

o All strands of all fiber optic cables shall be tested as directed by the base communications organization. Measurement of Optical Power Loss of Installed

Single-mode Fiber Cable Plant, or equivalent. As a minimum, the following tests shall be performed. Both Optical Time Domain Reflectometer (OTDR) and Optical

Power Meter tests will be used for all end-to-end circuits. For incomplete circuits that end in maintenance holes, only OTDR testing is required.

o Optical Attenuation.

End to end attenuation tests shall be conducted on all fiber optic cable strands. Tests shall be accomplished to ensure the installed cable is within the specified parameters.

o Distance.

Test to determine the installed cable length between optical patch panels. All strands of all fiber optic cables shall be tested.

- Acceptance/Installation Test Report: The Contractor shall provide an installation test report of the results of the testing accomplished under the installation test plan to 31 CS/SCX in English.

- Work item shall be in compliance with Section Nos. 16303/R of the Master Technical

Specifications.

4.A.3.d Furnishing and installation of 260 l.m. pilot wire to provide the selectivity between the MV loop protections.

- Supply and install twisted and shielded two pair telephone cable between substation #263 and substation #246.

- Connection between the pilot wire and the MV protection relays.

- Performing of the new Selectivity study, resetting of the Protection relays of the entire MV loop, retest redesigned Protection relays system IAW CEI 0-16;

- Work item shall be in compliance with Section No. 16303/R of the Technical Specifications.

4.A.3.e. Supply and install metal cable tray inside the MV manholes for F.O. and pilot cable manhole crossing.

- Furnishing and installation of 2.40 l.m of galvanized steel cable tray dimensions 100x50 mm.

- Special fittings, cover, bends and anchoring devices.

- Work item shall be in compliance with Section Nos. 16303/R, and 16360/R of the Technical

Specifications.

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FIGURE 4: ELECTRICAL PLAN

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4.D. Part. D - DEMO WORKS.

Area A2 presents a gross surface of about 41,500 square meters (sq.m.) This project foresees the demolition of facilities and annexes with a total gross surface of about 12,850 sq.m. and a total gross volume of about 131,000 cubic meter (c.m.)

Demolition works will include:

- Demolition of facilities structures composed by masonry and/or concrete walls including concrete roof slab/columns and foundation;

- Demolition of internal masonry/gypsum board partitions;

- Demolition of metal/wooden/aluminum doors and windows;

- Demolition of false ceiling including insulation material;

- Demolition of painting, plaster, ceramic tiles, carpet, wooden floor, pvc floor, including sub-base;

- Demolition of every other civil finishes inside the facilities to be demolished;

- Demolition of every mechanical and electrical systems (e.g. electrical panels, pumps, mechanical piping, valves, chiller, boiler rooms, Communication Racks, etc) and every other system inside the facilities to be demolished;

- Demolition of all existing asphalt area, including roads, pads, sidewalks, etc.

- Removal of eventual existing furniture and equipment (e.g. built in kitchen, restroom cabinets, beds, etc);

- Disconnection, cutting and capping of utilities serving the facilities and leaving them underground abandoned. All underground utilities manholes/pits serving the facilities will stay underground abandoned as well;

- Backfilling of excavated area to restore ground zero elevation. Contractor is permitted to use compacted crushed natural inert material (bricks, concrete, etc) as sub-base for back-filling up to a depth of -50.0cm from ground zero elevation. From a depth of -50.0cm to a depth of -20.0cm Contractor shall use natural washed gravel compacted at 95% of max density AASHO modified test. From a depth of -20.0cm to ground zero elevation

Contractor shall use 20.0 cm of top soil and grass seeding;

- Transportation and disposal of Resulting materials of any nature and category to an authorized dump. Disposal shall be performed in accordance with all applicable Italian laws and regulations in force;

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- Removal and disposal of Potential Asbestos Containing Material (PACM) and/or Asbestos

Containing Material (ACM) present in the Area A2 facilities to be demolished. Identified

PACM and ACM is listed in ”Asbestos Survey Aviano-update May14 Area 2” attached to this Technical Specification. Contractor shall abate all ACM and dispose of it in accordance with Italian laws and regulations. Prior to the start of any demolition, contractor shall provide certificate of abatement and disposal. PACM shall be treated in an equal manner as ACM, unless tested and verified by the contractor to be free of ACM.

These test results shall be submitted to the government prior to the start of any demolition;

- Removal and disposal of fuel tanks;

- Removal and disposal of Oil Water Separators (O.W.S.)

After completion of work the site areas shall consist solely of bare terrain - free of any sidewalks, pads or pavements. Underground utilities and manholes/pits serving the facilities will be abandoned in place. Project includes restoration of the area affected by the demolition works by furnishing inert material sub-base, 20 cm of top soil and grass seeding. The area shall be leveled to the maximum extent possible following the existing storm water discharge distribution points.

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4.D.a DEMOLITION AND DISPOSAL OF FAC. 201 - GUARD SHACK

4.D.a.1 Demolition of Fac.201 – Guard Shack and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 95.0 c.m.

4.D.b DEMOLITION AND DISPOSAL OF FAC. 218 - LIBRARY

4.D.b.1 Demolition of Fac.218 – Library and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 2,334.0 c.m.

4.D.c DEMOLITION AND DISPOSAL OF FAC. 219 - DORMITORY

4.D.c.1 Demolition of Fac.219 – Dormitory and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 22,437.0 c.m.

4.D.c.2 Removal and disposal of PACM.

PACM on roof membranes = 650.0 sq.m.

PACM on roof vapor barrier felt = 650.0 sq.m.

PACM on roof glue sealing = 650.0 l.m.

Lump Sum

4.D.d DEMOLITION AND DISPOSAL OF FAC. 220 – ADMINISTRATIVE BUILDING

4.D.d.1 Demolition of Fac.220 – Administrative Building and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 5,279.0 c.m.

4.D.d.2 Removal and disposal of PACM.

PACM on gaskets = 52 each

PACM on fire door = 1 each

4.D.e DEMOLITION AND DISPOSAL OF FAC. 224 – ADMINISTRATIVE BUILDING

4.D.e.1 Demolition of Fac.224 – Administrative Building and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 6,578.0 c.m.

4.D.e.2 Removal and disposal of ACM/PACM

ACM on gaskets = 40 each

ACM on pipe insulation = 110 l.m.

PACM on fire sealing = 6.0 sq.m.

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4.D.f DEMOLITION AND DISPOSAL OF FAC. 240 – FITNESS CENTER

4.D.f.1 Demolition of Fac.240 – Fitness Center and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 13,191.0 c.m.

4.D.f.2 Removal and disposal of PACM/ACM.

PACM on roof membranes = 2,100.0 sq.m.

PACM on gasket material = 4 each

PACM on fire doors = 2 each

ACM on gasket material = 11 each

4.D.g DEMOLITION AND DISPOSAL OF FAC. 244 – DINING FACILITY

4.D.g.1 Demolition of Fac.244 – Dining Facility and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 6,940.0 c.m.

4.D.g.2 Removal and disposal of Mineral Oil tanks

4.D.h DEMOLITION AND DISPOSAL OF FAC. 245 – STORAGE ROOM

4.D.h.1 Demolition of Fac.245 – Storage Room and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 88.0 c.m.

4.D.i DEMOLITION OF FAC. 248 – ADMINISTRATIVE BUILDING

4.D.i.1 Demolition of Fac.248 – Administrative Building and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 3,746.0 c.m.

4.D.i.2 Removal and disposal of PACM/ACM.

PACM on floor tiles glue = 75.0 sq.m.

ACM on insulation = 2.0 sq.m.

ACM on gasket material = 44 each

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4.D.l DEMOLITION AND DISPOSAL OF FAC. 250 – ADMINISTRATIVE BUILDING

4.D.l.1 Demolition of Fac.250 – Administrative Building and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 6,677.0 c.m.

4.D.l.2 Removal and disposal of PACM.

PACM on gaskets = 24 each

4.D.m DEMOLITION AND DISPOSAL OF FAC. 251 – BUS CANOPY

4.D.m.1 Demolition of Fac.251 – Bus Canopy and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 41.0 c.m.

4.D.n DEMOLITION AND DISPOSAL OF FAC. 254 – DORMITORY

4.D.n.1 Demolition of Fac.254 – Dormitory and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 30,024.0 c.m.

4.D.o DEMOLITION AND DISPOSAL OF FAC. 256 – ADMINISTRATIVE BUILDING

4.D.o.1 Demolition of Fac.256 – Administrative Building and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 7,046.0 c.m.

4.D.o.2 Removal and disposal of ACM.

ACM on floor tiles glue = 40.0 sq.m.

4.D.p DEMOLITION AND DISPOSAL OF FAC. 258 – DORMITORY

4.D.p.1 Demolition of Fac.258 – Dormitory and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 25,952.0 c.m.

4.D.p.2 Removal and disposal of Communication Batteries and UPS system

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4.D.q DEMOLITION AND DISPOSAL OF FAC. 21902 – PAVILLION

4.D.q.1 Demolition of Fac.21902 – Pavillion and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 100.0 c.m.

4.D.r DEMOLITION AND DISPOSAL OF FAC. 22001 – GARAGE

4.D.r.1 Demolition of Fac.22001 – Garage and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 72.0 c.m.

4.D.s DEMOLITION AND DISPOSAL OF FAC. 22002 – GARAGE

4.D.s.1 Demolition of Fac.22002 – Garage and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 72.0 c.m.

4.D.t DEMOLITION AND DISPOSAL OF FAC. 22401-22402-25001 – TRASH AREA

4.D.t.1 Demolition of Fac.22401-22402-25001 – Trash Area and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 288.0 c.m.

4.D.u DEMOLITION AND DISPOSAL OF FAC. 25401 – PAVILLION

4.D.u.1 Demolition of Fac.25401 – Pavillion and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 118.0 c.m.

4.D.v DEMOLITION AND DISPOSAL OF FAC. 25403 – SUBSTATION

4.D.v.1 Demolition of Fac.25403 – Substation and excavated area restoration, Total Gross Volume (Vol. Vuoto per Pieno) = 470.0 c.m.

4.D.w DEMOLITION AND DISPOSAL OF ASPHALT AND SIDEWALK AREA

4.D.w.1 Demolition of Asphalt area, parking and road areas and excavated area restoration, Total Gross Area 20,250.0 sq.m.

4.D.w.2 Demolition of Sidewalks, asphalts, concrete and paver areas and excavated area restoration, Total Gross Area 4,900.0 sq.m.

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4.D.z DEMOLITION, CLEAN UP AND DISPOSAL OF OIL WATER SEPARATORS

(O.W.S.)

4.D.z.1 Demolition, Clean up and disposal of existing O.W.S. (see Figure 5).

- ground excavation for the interception of underground piping;

- removal of O.W.S., including its cleaning, transportation and disposal to authorized dump;

- 4.3 Perform sampling and analysis to determine the presence of Hydrocarbons (per Italian

Legislative Decree 152/06), in the soil below and around the O.W.S., perform 3ea. samplings of excavated soil and rocks and related laboratory analysis (to include core drilling) to identify the following parameters:

- Light Hydrocarbons;

- Heavy Hydrocarbons;

- Acidity level.

- Perform 3ea. samplings of excavated soil and rocks and related laboratory analysis to identify the following parameters:

Metals (As, Cd, Cr, CrIV, Ni, Pb, Cu and Zn);

Heavy Hydrocarbons (carbon chain with more than 12 atoms);

Polycyclic Aromatic Hydrocarbons (PAHs);

Polychlorobiphenyls (PCBs);

- Item includes 2.0 Mt. deep soil excavation under the O.W.S.;

- Transportation and disposal of contaminated material to an authorized landfill site;

- Supply and installation of compacted stabilized granular material for backfilling works. Item includes also equipment, manpower, compaction at 95 % of max density AASHO modified test and all operation necessary for the workmanlike execution of the job.

FIGURE 5: OIL WATER SEPARATORS

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4.D.zz DEMOLITION, CLEAN UP AND DISPOSAL OF FUEL TANKS

4.D.zz.1 Demolition, Clean up and disposal of following fuel tanks:

1) B.218

Capacity: 5,300 lt;

Current liquid inside: empty.

2) B.254

Capacity: 15,000 lt;

Current liquid inside: 500 lt;

3) B.256

Capacity: 4,000 lt;

Current liquid inside: empty;

4) B.258

Capacity: 5,300 lt;

Current liquid inside: 3,600 lt.

- ground excavation for the interception of underground piping;

- removal of fuels supply underground piping and tank’s manhole demolition;

- removal of fuel tank, including its cleaning, transportation and disposal to authorized dump;

- 4.3 Perform sampling and analysis to determine the presence of Hydrocarbons (per Italian

Legislative Decree 152/06), in the soil below and around the underground tank perform 3ea.

samplings of excavated soil and rocks and related laboratory analysis (to include core drilling) to identify the following parameters:

- Light Hydrocarbons;

- Heavy Hydrocarbons;

- Acidity level.

- Perform 3ea. samplings of excavated soil and rocks and related laboratory analysis to identify the following parameters:

Metals (As, Cd, Cr, CrIV, Ni, Pb, Cu and Zn);

Heavy Hydrocarbons (carbon chain with more than 12 atoms);

Polycyclic Aromatic Hydrocarbons (PAHs);

Polychlorobiphenyls (PCBs);

- Item includes 2.0 Mt. deep soil excavation under the UST;

- Transportation and disposal of contaminated material to an authorized landfill site;

- Supply and installation of compacted stabilized granular material for backfilling works. Item includes also equipment, manpower, compaction at 95 % of max density AASHO modified test and all operation necessary for the workmanlike execution of the job..

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5. FINAL ACCEPTANCE TEST, CERTIFICATIONS AND OTHER REQUIREMENTS:

1. Once issued NTP, Contractor is required to contact 31 CES/CEIAR (0434-305691) and schedule a meeting to fill Form DD1354 with appropriate project data for real property capitalization (DD1354 and category codes list CATCODE_LIST_2010 are available in engineering office during normal hour of operations). Contractor is required to provide final Form DD1354 for 31 CES/CEI signature before contract close out.

2. Before contract close-out, the Contractor shall provide the Government with three copies of the following documents:

- Disposal Certificates in accordance with applicable norms;

- Area A2 elevation survey signed and stamped by qualified engineer and CD with autocad and pdf electronic version of same drawings (AUTOCAD Release 2010 for drawings). Drawings shall be geospatially referenced using real world coordinates

WGS-1984 UTM 33N. 31CEN/CENM section (0434-305488) will provide an

AutoCAD drawing that is geospatially referenced for the contractor to use as a background.

6. ATTACHMENT

Spec 16303R en

Existing facilities drawings and photo.

Asbestos Survey Aviano-updateMay14 Area A2