ASHE_06-1068E_Technical_Specifications_Rev1Mar17.pdf

Project # ASHE 06-1068E Technical Specifications Rev.1

DATE: MAR 2017

31CES/CENM 1

Date: MAR 2017

U.S. AIR FORCE

31ST FIGHTER WING

31ST CES/CENM

AVIANO AIR BASE, ITALY

TECHNICAL SPECIFICATIONS FOR

ASHE 06-1068E

CONSTRUCT CONNECTIONS FOR SEPTIC HOLDING

TANKS, MULTI, AVIANO AIR BASE, ITALY

31CES/CENM 2

1. SCOPE OF WORK. The Contractor shall provide all management, tools, supplies, equipment, transportation and qualified personnel necessary to connect septic and holding tanks of buildings Nos. 106, 606, 627, 1010, 1046, 1037, 1228, 1303, 1360, 1197 to existing sewer main line. The project foreseen the demolition/removal of existing septic/ holding tanks, trenches excavation and backfilling, new sewer pipe lines, syphons pit and sewer manholes installation as shown in the attached drawings, including asphalt/concrete demolition and re-construction.

Contractor shall comply with vigent regulations and law in force. Contractor shall store their materials in designated areas as specified by the Project Manager or Representative. Period of performance shall be 90 calendar days to allow material procurement, work completion and clean up.

2. WORK LOCATION. Work place performance will be Area 1, Area E and Area F, Aviano Air Base, Italy.

31CES/CENM 3

3. WORK SITE CONDITIONS

a. The Contractor shall provide electricity on work site, if needed, with its own power generator at no additional cost for the Government. Water will be available but Contractor shall provide a temporary above ground line if needed. The Contractor shall not alter characteristics and shall observe conservation practices at all times. All connections shall be the responsibility of the Contractor including restorations to initial conditions.

b. Authorized work hours and days. Performance of work hereunder shall be from Monday through Friday excluding holidays from 08.00 to 17.00 hours. 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 weekend and holiday work are not valid or for security or other necessities.

c. Toilet facilities in the vicinity of the work site shall not be always available for Contractor use.

When toilets are not available, it will be contractor responsibility to provide temporary porta-potty at no additional cost for the Government. Contractor shall use facilities in a manner to maintain their state of cleanliness and hygiene.

d. 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.

e. The Contractor shall be responsible for ensuring all personnel engaged in the performance of this contract observe all host country laws concerning safety. At all times the Contractor will assure all personnel are wearing the correct safety equipment when performing their work, such as steel toe boots, gloves, reflective gear and any other equipment deemed necessary to perform their work in the safest form. The Contractor shall also assure all personnel comply with Italian laws DM. 81/08.

f. 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 15 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.

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

h. During works located within a restricted area, contractor will be escorted and guarded at all the time.

Delay may happen when contractor will enter the restricted areas du to military operations or exercises. In this case the unproductive time will not be at the expense of the U.S. Government.

i. Every trench/excavation shall be returned to its original condition within ten days of the original excavation; this may be extended to 20 days if approved by the BCE. Contractor shall phase trenching and excavation when crossing paved road and steel plates shall be installed in order to always guarantee normal vehicles traffic.

31CES/CENM 4

4. GENERAL NOTES

1. At the end of the work, the Contractor shall provide the Government with three copies of the following documents: for warranty call purpose, 3 copies of letter identifying project number, item, company address, phone number, point of contact, item warranty expiration date, etc.

2. Once issued NTP, Contractor is required to contact CEAOR (Ms. Cristina Rossetto 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 hours of operation). Contractor is required to provide final Form DD1354 for 31CES/CD signature before contract close out.

3. Three set of AS BUILT drawings 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. 31CEP/CEPT section (0434-305488) will provide an AutoCAD drawing that is geospatially referenced for the contractor to use as a background;

5. The Contractor shall return all areas disturbed during construction to their original condition before final acceptance by the Government.

5. WORK DESCRIPTION

Each item of the schedule is inclusive of furnishing and installation of materials and equipment, scaffolding, transportation to dump or 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 be not 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 not mentioned in the specifications but included in the drawings and/or are manifested, in order to deliver a complete project based on its overall scope.

5.1 Excavation in any kind of soil for new sewer line installation until the depth of 2.50 mt.

Item includes:

- Trench excavation 2.50 m3/lm;

- Loading and transportation of resulting material to authorized dump site and dumping fees;

- All operations necessary for the workmanlike execution of the work.

A: 117.50 m3 E: 177.50 m3

F: 1590.00 m3

31CES/CENM 5

5.2 Back filling operation of previous excavated trenches.

Item includes:

- Furnishing and installation of selected river sand 0.30 m3/lm;

- Backfilling with selected previously digged earth material;

- Soil compaction at 95% of max density AASHO modified test;

- All operations necessary for the workmanlike execution of the work.

A: 117.50 m3 E: 177.50 m3

F: 1590.00 m3

5.3 Demolition of existing bituminous asphalt pavement.

- Saw cut of the pavement edges;

- Removal/demolition of 10/12 cm thickness asphalt paving including sub-base;

- Loading and transportation of resulting material to authorized dump site and dumping fees;

- All operations necessary for the workmanlike execution of the work.

A: 27.0 m2

E: 55.00 m2

F: 427.00 m2

5.4 Demolition of existing reinforced concrete pad/sidewalk.

- Saw cut of the pavement edges:

- Demolition until 20 cm thickness (average) reinforced concrete surfaces, including sub-base;

- Loading and transportation of resulting material to authorized dump site and dumping fees;

- All operations necessary for the workmanlike execution of the work.

A: 6.00 m2

E: 6.00 m2

F: 40.00 m2

5.5 Demolition and removal of thirteen (13) existing septic/holding tanks, composed by reinforced or not reinforced pits and basin, as listed in the drawings C-02. Septic tanks will be cleaned and sediments will be removed and disposed of according to applicable regulations in force (total capacity 58 CM). Contractor shall prepare for each ST a DATA SHEET, enclosed to this project.

Item includes:

- Soil and material excavation as necessary to allow system demolition;

- Demolition of existing structures down to at least 1.5 m below grade to allow for possible future installation of new utilities;

- Capping of no more necessary feeding and discharging pipes;

- Backfilling with washed gravel material, 50-60 mm size and compaction;

- Collection of confirmatory samples from the bottom of the ST; wherever possible, sediment samples will be collected; if no sediments are present, a shallow soil sample will be taken using direct push or equivalent technology from the bottom of the tank. If not feasible, a dry continuous coring will be conducted to a depth of 1 meter below the bottom of the pit.

31CES/CENM 6

- Laboratory analyses in order to identify the following parameters: Light Hydrocarbons and Metals (As, Cd, Cr, CrIV, Ni, Pb, Cu and Zn);

- Soil remediation, if necessary, 1.50 mt below the bottom of the tanks;

- Loading and transportation of resulting materials to authorized public dump area, including disposal fees.

A: Tanks # 1& 2 L.S.

E: Tanks # 3& 4 L.S.

F: Tanks # 5, 6, 7, 8, 9, 10, 11, 12 & 13 L.S.

5.6 Furnishing and installation of concrete floor for external area (pad and sidewalk), up to 20.0 cm height , consisting of concrete cast in place of class C25/30 and reinforced with B450C 20x20 cm , 8 mm diameter electro-welded steel wire mesh. Floor surface will be hardened with quartz 4kg/mc and final finish will be rough and worked with helicopter. Item includes new concrete sidewalks/pad where septic tanks have been removed and any other burden to give a job performed in a workmanlike manner.

A: 6.00 m2

E: 6.00 m2

F: 40.00 m2

5.7 Furnishing and placing 7 cm thickness modified binder course, including sub-base preparation and any other operation necessary for the workmanlike execution of the work.

A: 27.0 m2

5.8 Furnishing and placing 3 cm thickness modified wearing course, including tack coat (1.5 kg/m2) and any other operation necessary for the workmanlike execution of the work.

A: 27.0 m2

5.9 Furnishing and installation of PVC triple layer pipes, type MARTONI FOX Compatto or equivalent, class SN-16 for sewer line, according to norms EN 13476-2 / NF XP P 16-362, diameter 160 mm, including elastomeric gasket in EPDM (EN 681-1), special parts and all necessary fittings. Item includes furnish and installation of 3 mm dia. copper tracer wire and warning tape with sign indicating the buried utility (sewer) along the new PVC pipeline and any other burden to give a job performed in a workmanlike manner.

A: 47.00 L.M.

E: 71.00 L.M.

F: 636.00 L.M.

31CES/CENM 7

5.10 Furnish and installation of siphoned monolithic SIFOVALVE 160 manhole, with check valve, made entirely of PUR (polyurethane rigid) or similar approved, provide with PVC siphon valve, swing check and special circular doors for inspection and having dimensions (excluding fittings ) 280x775 mm, height adjustable with suitable extension elements PUR up to reach the level of the paving.

Manholes shall be provided with sliding sleeve connection to the pipe coming and special manhole cast iron cover class D-400, dia. 540 mm. Item includes excavation works for the interception of existing sewer line just outside each building, cutting existing sewer line, pouring lean concrete as support base and any other work necessary to give a job performed in a workmanlike manner.

A: 2 Each E: 2 Each F: 8 Each

5.11 Furnishing and installation of sewer concrete manholes, having internal dimension 120x250 cm minimum, 20 cm thickness wall, with D-400 class cast-iron frame and cover as showed in the drawing C-02.

Item includes:

- Excavation works;

- Placing 10 cm thickness of lean concrete ;

- Placing C/25 concrete for sewer pipe line setting bed on the bottom of the manhole (average thickness 30 cm);

- Backfilling with dry material and compaction;

- Loading and transportation of resulting material to authorized dump site and dumping fees;

- All operations necessary for the workmanlike execution of the work.

E: 2 Each

F: 7 Each

5.12 Provide manpower, materials and equipment necessary to open/close holes in the existing main concrete sewer manholes on the lateral wall (approx. No. 11) in order to give to new sewer line a minimum slope of 2%. Item includes connection with existing pipe line on the bottom of the existing sewer line manhole, special part, concrete demolition and any other work necessary to give a job performed in a workmanlike manner.

A: 2 Each E: 2 Each F: 7 Each

5.13 Restoration of the grass area affected by the digging operation, through furnishing and laying down of 15 cm top soil, including mechanical seeding with special 30gr/sq.m. seed mix.

A: 14.00 m2

E: 8.00 m2

F: 119.00 m2

31CES/CENM 8

6. APPLICABLE MASTER SPECIFICATIONS

The following sections of the Master Specifications for construction projects of the Air Base in Aviano (PN), Italy, dated November 2005 and applicable modifications, shall be applicable to the present project, togheter with the List of Work Items to be performed:

01100 GENERAL CONDITIONS

01101R PROJECT SIGN

02315 02530 02741 02751

02762

EXCAVATION AND FILLS

SANITARY SEWAGE

BITUMINOUS CONCRETE PAVEMENT

CONCRETE PAVEMENT FOR AIRFIELDS AND OTHER HEAVY DUTY

PAVEMENTS

JOINTS, REINFORCEMENT AND MOORING EYES IN CONCRETE

PAVEMENTS

7. ATTACHMENTS

Applicable Master Specifications;

ASHE 06-1068E Photo Album

C-1 ASHE 06-1068E

C-2 ASHE 06-1068E

ASHE 06-1068E Submittals