ASHP161014 Technical Specifications Rev.1.pdf

Project ASHP 16-1014 Technical Specifications REV.1

DATE: JUNE 2020

31CES/CENM 1

U.S. AIR FORCE

31ST FIGHTER WING

31ST CES/CENM

AVIANO AIR BASE, ITALY

TECHNICAL SPECIFICATIONS

PROJECT ASHP 16-1014

CONSTRUCT PAVEMENT IN FRONT OF IGLOOS DOORS

AREA G, AVIANO AIR BASE, ITALY

REV.1

31CES/CENM 2

1. PROJECT SCOPE

The scope of the project is to replace the trapezoidal asphalt pavements in front of the igloos doors in Area G with concrete pavements and, to meet the hydraulic invariance requirement, construct French drains to improve drainage and avoid area flooding. Construct a 5490 sm concrete pavement and 859 m of French drains. The Contractor shall furnish all personnel, equipment, material, transportation, supervision and any other necessary item and service to design and perform required works in compliance with applicable Italian and American norms.

Work items include but are not limited to the following:

a. Demolition of asphalt pavements;

b. Dig in open constrained section;

c. Compactions;

d. Supply and installation of geotextile;

e. Supply and pouring of concrete including all necessary operations;

f. Supply and installation of nylon sheets;

g. Supply and pouring of gravel;

h. Grass area restoration;

i. As-built drawings with planimetric and altimeric survey insert in a georeferenced map.

2. WORK SITE CONDITIONS

a. The work will be performed in a controlled area, personnel must be escorted all the time.

b. In order to minimize inconvenience to 31MUNS operations, works will be performed in multi phases.

Contractor will be allowed to work only on 2 igloos at the time. Once pavement will be completed and cured, contractor will be allowed to work on following igloos.

c. Contractor will submit phasing plan and schedule for C.O. approval before performing any work.

d. In the area is strictly prohibited smoking, detein ligthers is strictly prohibited and the use of open flames is subject to authorizations, training and supervisions;

e. The contractor is subject to the authority of the user that in any moment can order to leave the area for safety

(lightning within 5 nautical miles) and or security reasons either for exercises, operations or real danger situations;

f. The Contractor is permitted to use reasonable quantities of available electricity and water at the work site. The

Contractor shall alter characteristics and shall observe conservation practices at all times. All connections shall be the responsibility of the Contractor, including restorations to initial conditions.

g. 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, date and duration. To the maximum extent possible interruption shall be scheduled on week ends or U.S. holidays in order to minimize impact to base activities.

h. Work during week ends 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 week end and holiday work are not valid or for security or other necessities.

i. The contractor must provide toilet service for his workers.

j. If welding is to be performed the Contractor shall ensure a welding permit is obtained from the Aviano Air Base

Fire Department prior to performing welding operations and coordinated with the User.

k. 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.

l. The Contractor shall be responsible for ensuring all personnel engaged in the performance of this contract observe all host country laws concerning immigration (if it is he case), safety and in particular Italian laws 81/2008.

m. The Contractor shall perform no digging until receipt of a completely coordinated AF form 103 from the

Contracting Officer. Digging permit will not be issued for the entire contract at one time. Contractor shall submit

31CES/CENM 3

request for digging permit 15 days prior to excavating in each area segment. Contractor shall clearly mark proposed digging and excavation route with white paint or chalk prior to Government marking.

3. WORK ITEMS DESCRIPTION:

Each item of the schedule is inclusive of furnishing and installation of materials and equipment, scaffolding, transportation to dump, and storage of demolished and/or removed materials, in accordance with contracting officer’s instructions and all finishing work required to make each item complete in a workmanlike manner.

All the quantities that are indicated or successively added are estimates. Therefore the government shall not be held responsible for the accuracy of the estimated quantities. The contract requires a completed project on a lump sum basis. It is therefore the responsibility of the contractor to calculate, foresee and perform all quantities and work necessary even if it not mentioned in the specifications but included in the drawings or manifestly necessary to deliver a complete project based on its overall scope.

3.1. Site preparation

The item consists in preparing the work site, including safety requirements and any other item to have a job performed in work man like manner.

Lump Sum

3.2. Site survey

The item consists in a topographic planimetric and altimetric survey to identify the correct slope of the ground to identify the correct slope of the concrete pads, French drains and grass area to be remodeled and any other item to have a job performed in work man like manner.

Lump Sum

3.3. Asphalt pads demolition

The item consists of demoltion of existing asphalt pavements included chemical analysis, load, transportation and diposal (included fees) in authorized dump of the proven materials and any other burden to have a job performed in work man like manner.

CM 53

3.4. Excavation

The item consists of excavation in large constrained section to prepare foundation of the concrete slabs (2,750

CM) and swallow trenches (345 CM), the item includes:

- Chemical analysis of the soil;

- Digging;

- Load;

- Transportation;

- Disposal;

and any other burden to have a job performed in work man like manner.

CM 2,460

3.5. Pad construction

The item consists of furnishing and pouring of at least 20 cm thick reinforced concrete hardened with quarz powder on 30 cm of compacted gravel, the item includes:

- Dug soil compaction at 95% AASHTO;

- Geotextile 200 grams per SM;

- 30 cm of compacted washed crushed stones no more that 25 mm of diametr for foundation compacted at

95%AASHTO;

- Nylon sheet 0.5 mm thick;

- Pouring of 20 cm of concrete of adequate granulometry no more than 20mm of diameter, strength class

C28/35, water/cement rate no more than 0.6 including sloping, joints double cut (one up to 7 cm depth), joint

31CES/CENM 4

bottom cord, primer, joints sealant, perfectly flat, hardened by quarz powder minimum quantity of 4 kg/m² on fresh concrete, antiskid treatment and reinforcement of double steel wire welded mesh f8/20x20 or equivalent;

all materials must be CE marked and any other item to have a job performed in work man like manner.

SM 5,026

3.6. French drains

Construction of 780 lm infiltration swale 1 m width, 0.6 m deep to avoid water stagnation on paved surfaces, as shown on detail.

Item includes:

- Compaction of dug soil;

- Geotextile fabric layer 200 g/sm with minimum overlapping of 30 cm;

- Furnishing and installation of microholed corrugated drainage pipe;

- Furnishing and placing of gravel material, 20-35 mm mm granulometry, average thickness 30 cm;

- Geotextile fabric layer 200 g/sm with minimum overlapping of 30 cm;

- Furnishing and placing of gravel material, 50-10 mm granulometry with average thickness 30 cm;

- Earth works to match to existing grade level.

The item further includes all scraps, cuts, joints and burdens necessary for the workmanlike execution of the work.

LM 859

3.7. Grass restoration

The item consists of raking, flattening the soil, eliminate the stones and re-seed the disturbed area around the swale trenches and the concrete pavements; the item includes the transport and disposal in an authorized dump of the proven material and any other item to have a job performed in work man like manner.

SM 859

3.8. Signs relocation

The item consists of remove of existing two poles signs, store with care for relocation, relocation on steel supports bolted on the conrete; the item includes store the signs in appropriated location, cut the poles to adapt the height, supply and installation of steel support made of S235 steel hot zinc coated and painted with paint for external use, color to be decided by the CO, boltes on the concrete slab with a chemical fixing, sizes required to stand regular loads (wind, pushing person, etc) and two fixing screws and bolts. The item further include the transport and disposal in an authorized dump of the proven material and any other item to have a job performed in work man like manner.

EA 23

3.9. Manhole supply and installation

The item consists supply and install of a manhole cover made of spheroidal cast iron, with gasket made of elastomer the item includes the fixing materials, the using materials, the transport and disposal in an authorized dump of the proven material and any other item to have a job performed in work man like manner.

EA 1

3.10. Manhole cover fixing

The item consists of raking, flattening the soil, eliminate the stones and re-seed the disturbed area around the swale trenches and the concrete pavements; the item includes the transport and disposal in an authorized dump of the proven material and any other item to have a job performed in work man like manner.

EA 1

3.11. Asphalt restoration

31CES/CENM 5

The item consists of repair asphalt along the new concrete pavements and perform the connection between asphalt and new concrete pavement where needed, the item includes:

- Cut small portion of asphalt;

- Demolish small protion of asphalt and load, transport and dispose the proven material;

- Supply and pour, compact and cure asphalt of the same type of the existing one;

any other burden to have a job performed in work man like manner.

SM 171.80

4. MATERIAL SUBMITTAL

Materials and other items shall be submitted as required by ASHP 16-1014 MATERIAL SUBMITTAL SCHEDULE for the approval by the Contracting Officer.

The Government will review, approve and/or disapprove material submittals within 10 working days.

5. PROJECT CLOSE OUT DOCUMENTATION

1. Contractor is required to provide support to the PM in filling Form DD1354 with appropriate project data for real property capitalization;

2. WARRANTY. Before contract close out, for main items/works included in the item 3. For warranty call purpose, Contractor will be required to provide 3 copies of letter identifying project number, item, company address, phone number, point of contact, item warranty expiration date, etc. One copy of the letter will be installed next the item for immediate consultation;

3. AS BUILTS. Before contract closes out, Contractor will be responsible to provide 2 set of AS BUILT drawings signed and stamped by qualified engineer and cd with georeferenced autocad and pdf electronic version of same drawings (AUTOCAD Release 2007 for drawings. Drawings shall be geospatially referenced using real world coordinates WGS-1984 UTM 33N. 31CEP/CEPT section (0434-305488) will provide an AutoCAD drawing that is geospatially referenced for the contractor to use as a background).

6. ATTACHMENTS:

1) ASHP161014 Material Submittal Schedule

2) ASHP161014 General Plan

3) ASHP161014 Area Plan

4) ASHP161014 Site Plan

5) ASHP161014 Trench dtl