Attachment4projecttechnicalspecifications.pdf

DEPARTMENT OF THE ARMY

UNITED STATES ARMY GARRISON VICENZA – DARBY MILITARY COMMUNITY

PUBLIC WORKS OFFICE

APO AE 09613

Project

AA1 00090-4

BRING TO COMPLIANCE LPS

BUILDING 3073,

AMMUNITION STORAGE AREA

TECHNICAL SPECIFICATIONS

Consisting of ___ pages and of __ enclosed plans

PAOLO SERRAGLINI

Chief, Engineering Services Branch

Prepared by:

THOMAS F. WALKER, P.E.

Public Works Manager on _____________ APPROVAL DATE ________________

INDEX

SECTION Ia

GENERAL PROVISIONS

SECTION Ib

QUALITY CONTROL BY CONTRACTOR

SECTION IIIa

DEMOLITION AND REMOVAL

SECTION IIIb

EXCAVATION AND BACKFILLING

SECTION IVb

REINFORCED CONCRETE

SECTION XIIIa

ELECTRICAL SYSTEMS

SECTION Ia

GENERAL PROVISIONS

1a-01 WORK PHASING.

a. Work Schedule. Whenever the nature of the contract and the work location are such that the work is to be performed in an area assigned to activities and services that cannot be interrupted, work shall be scheduled with concurrence of COR in such a manner as to cause the least possible inconvenience to the normal operations of mentioned activities and services.

Contractor shall submit his proposed work schedule to the COR at the time of the pre-construction conference. Work start shall be contingent upon schedule approval.

b. Utilities Cut-Offs. As a rule, cut-off of power and other utilities (water, sewage, heating system, etc.) is not allowed. All temporary connections necessary to insure continuous power distribution shall be provided. If cut-offs are necessary, they shall not exceed the period of time strictly needed to make the temporary connections. Cut-off shall be scheduled with the COR not less than 15 days ahead of time.

c. Alarm, Telephone and Televisions Systems. Deenergizing of alarm, telephone and television systems is strictly prohibited. Should these systems, which may not appear on the drawing interfere with the contract work, they shall be temporarily diverted and fed by means of temporary connections to be adequately protected. Written approval must be obtained from COR prior to doing any temporary work.

d. System Reactivating. At the completion of the work, all existing systems, including water, electrical and heating systems, shall be reactivated and placed in their original locations.

e. Temporary Protections. Floors, carpets, and equipment that cannot be removed shall be adequately protected by temporary tarpaulins to be furnished and installed at no cost to the US Government. In addition, temporary protections shall be furnished and installed in some particular areas so as to allow performance of activities that cannot be interrupted or transferred.

Also, the Contractor shall be responsible for removing, protecting, and reinstalling all furniture, shelves and furnishings that may interfere with the work course. A wrong or no evaluation of all requirements specified above does not constitute grounds for a request for additional compensation.

1a-02 JOBSITE CLEAN UP AND DUST CONTROL. The contractor shall have sufficient trash/waste bins on site, and shall clean the worksite so that all discarded materials, debris and trash are placed in these bins at the end of each workday, and not left or allowed to accumulate anywhere else on the jobsite. These waste bins shall not be allowed to overflow with debris, and shall be emptied as soon as they become full. Haul roads shall be watered sufficiently to prevent excessive dust. The work area shall be swept regularly to prevent accumulation of debris.

Equipment, construction materials and excavated soil shall be stored in a safe and orderly manner on the jobsite, in accordance with the contractor's approved area use plan.

1a-03 CONSTRUCTION AND DEMOLITION WASTE MANAGEMENT. The contractor is considered the waste generator of all salvage, re-usable, re-cyclable and disposable materials derived from the demolition and removal works included in this contract and shall handle these materials as hereinafter indicated.

a. Salvage Material. All salvage end items that the COR will have considered in good operating conditions shall be disassembled without damage, cleared of all dirt and scaling and then transported to the DPW Warehouse, Building 5156, Depot, where they shall be handled over undamaged.

b. Re-usable Material. End items removed during contract accomplishment which cannot be re-utilized in future construction but which still have a commercial value shall be delivered to the DRMO, through DD Form 1348-1a. This material includes, but it is not limited to, canvas, textile consisting of scrap clothing, scrap aluminum including doors, windows and frames, copper, brass, bronze, and stainless steel, cables, electric motors, light and heavy metals in different sizes and thicknesses that the DRMO contractor can handle (3-4 m long), electrical and electronic equipment, and kitchen appliances. All the above material must be free of hazardous property and need to be segregated. The scraps generated in the Supply & Maintenance Area shall be transported to the DRMO yard only on Monday and Tuesday from 08:00 am to 15:00 pm by appointment through the COR. The scraps generated from other installations must be kept in place. DRMO will arrange the removal. However, the contractor shall request a pre-inspection of the material by DRMO through the COR.

c. Recyclable Material. All construction and demolition recyclable waste material shall be delivered to authorized treatment facilities by the contractor.

d. Special Waste. All special waste, either hazardous or not hazardous, shall be delivered by the contractor to authorized disposal facilities.

e. Waste Storage. Construction and demolition waste shall be stored in waste specific containers provided by the contractor. Containers will be in good conditions, free from severe rusting, bulging, or structural defects. Containers shall be placed in area identified by COR.

Containers shall be removed once full or on COR’s decision.

f. Certificates and Authorizations.

(1) Recyclable Materials. As regards to recyclable materials, the Contractor shall submit copy of the authorization of the treatment facility which they are delivered to and will certify that waste have been removed in compliance with applicable law requirements.

(2) Disposable Materials. As regards to material delivery to disposal facilities, the contractor will provide the COR and DPW Environmental Office with copies of the following documents:

Authorization to transport construction and demolition waste;

Authorization of the landfill;

4th copy of Formulario di Identificazione del Rifiuto.

(3) Waste Manifest. All transported waste will be accompanied by the

Formulario di Identificazione del Rifiuto (waste manifest) to ensure a complete audit trail from point of origin to ultimate disposal. The waste manifest must be completed in quadruplet, all dated and signed by the waste generator and countersigned by the transporter. The first copy of the manifest will remain with the waste generator; of the remaining three copies, (countersigned and dated by the receiver), the second copy will remain with the transporter, the third copy will remain with the receiver, and the fourth copy must be returned by the transporter to the waste generator within 3 months of delivery of the waste to the disposal/treatment facility.

g. Costs. All operations included in this paragraph shall be carried out by the contractor with no additional cost to the US Government.

1a-04 AUTHORIZATION FOR INSTALLATION OF MATERIAL AND EQUIPMENT.

Before installing any material or equipment mentioned in the specifications, approval shall be obtained from the COR. Contractor shall submit material samples, shop drawings, manufacturer's literature, etc., to the COR 10 days prior to installation and shall proceed with installation only after receiving written approval from the COR. All material installed without COR's approval shall be removed.

1a-05 ISPESL AND CEI STANDARDS. All work described in these specifications shall be accomplished in strict compliance with the ISPESL (Superior Institute of Prevention and Assurance of Work) and CEI (Italian Electrotechnical Committee) standards. In particular, if the work under contract, such as roof repairs, building painting, etc., may cause Contractor's personnel or other individuals to come in contact with non insulated electric lines, these shall be temporarily protected by use of appropriate spiral plastic tubes available on the market.

1a-06 TRANSLATION AND TITLE ABBREVIATION. The terms COR and "Direzione dei Lavori" used in the Italian version of these specifications are equivalent to the American term "Contracting Officer's Representative," which in the English version is indicated by the letters

COR.

1a-07 DIGGING PERMIT. The Contractor shall obtain a digging permit for all work areas affected by this contract (to insure that all the as-built information for underground services is received). This permit and related drawings must be received by the Contractor prior to starting any work. After receipt of the digging permit, the Contractor shall immediately notify, in writing the Contracting Officer of the permit receipt. The Contractor will be held responsible for any damages caused to existing services, as indicated on the digging permit and related drawings, and will repair such damages at his own expense.

1a-08 ASBESTOS. No handling of asbestos containing material is included in this project. Use of asbestos containing materials is forbidden.

1a-09 PARTICULAR REQUIREMENT FOR WORK IN HEATING PLANTS. When the contract requires the work to be performed inside heating plants, the contractor shall provide a new cylinder in the door lock and shall deliver two keys of the new cylinder and the removed cylinder to the personnel in charge of the maintenance. At the work end the contractor shall restore the lock to the original conditions and the temporary cylinder will remain his own property.

1a-10 ANTI-TERRORISM TRAINING. The Contractor shall comply with the following security requirements:

a. AT Level I Training. All contractor employees, to include subcontractor employees, requiring access Army installations, facilities and controlled access areas shall complete AT Level I awareness training within 30 calendar days after contract start date. The contractor shall submit certificates of completion for each affected contractor employee and subcontractor employee, to the COR within 10 calendar days after completion of training by all employees and subcontractor personnel. AT Level I awareness training is available at the following website: httQ://jko.jten.mil.

b. OPSEC Training. According to AR 530-1, new contractor employees must complete Level I OPSEC training within 30 calendar days after they report for duty. All contractor employees must complete annual OPSEC awareness training.

c. Access and general protection/security policy and procedures. Contractor and all associated sub-contractors employees shall provide all information required for background checks to meet installation access requirements to be accomplished by installation Provost Marshal Office, Director of Emergency Services or Security Office.

Contractor workforce must comply with all personal identity verification requirements (FAR clause 52.204-9, Personal Identity Verification of Contractor Personnel) as directed by DOD, HQDA and/or local policy. In addition to the changes otherwise authorized by the changes clause of this contract, should the Force Protection Condition (FPCON) at any individual facility or installation change, the Government may require changes in contractor security matters or processes.

d. iWATCH Training. The contractor and all associated sub-contractors shall brief all employees on the local iWATCH program (training standards provided by the requiring activity ATO).This local developed training will be used to inform employees of the types of behavior to watch for and instruct employees to report suspicious activity to the COR. This training shall be completed within 30 calendar days of contract award and within 30 calendar days of new employees commencing performance with the results reported to the COR NLT 40 calendar days after contract award.

1a-11 ENVIRONMENTAL PROTECTION SYSTEM. The contractor will provide the following information semi-annually to be used by the Government to address environmental performance relative to the goals of the USAG Vicenza Environmental Management System.

Please note that the amounts reported are those used/generated by the contractor regardless of source (private purchase or government furnished). Reports for January – June will be submitted by 15 July and reports for July-December will be submitted by 15 January each year.

Media Report Element #1 Report Element #2

Non-Hazardous Solid Waste

Total Waste Generated (Kg)

Amount of Waste Diverted from Landfill (Kg)

Construction Debris/Demolition Materials

Total Waste Generated (Kg)

Amount of Waste Diverted from Landfill (Kg)

Compostable/Organic Material

Total Waste Generated (Kg)

Amount of Waste Diverted from Landfill (Kg)

Hazardous Materials Total Used (Kg) Hazardous Waste Total Generated (Kg) Total Recycled (Kg) Energy Consumption - Electricity

Total Energy Consumed (MBtu)

Energy Consumption - Fuel

Total Fuel Consumed (L)

Renewable/Alternative Energy

Total Consumed

(MW)

Facility Construction/Renovation

Number of Buildings LEED Certified Silver or Higher

SqFt of buildings LEED Certified

SECTION Ib

QUALITY CONTROL BY CONTRACTOR

1b-01 GENERAL. The Contractor shall establish and maintain an effective quality control system to implement the requirements of contract clause entitled "Inspection of Construction (July 1986)".

The quality control system shall comprise plans, schedules, and organization necessary to provide materials, equipment, workmanship, manufacture, construction, and operations which comply with contract requirements and shall identify personnel and forms to be used. The system shall cover construction operations, both indoors and outdoors, and shall be in accordance with the proposed construction sequence.

1b-02 COORDINATION MEETING. As soon as practicable after receipt of Notice to Proceed and before start of construction, the Contractor shall meet with the Contracting Officer's Representative (COR) and discuss the Contractor's quality control (CQC) system. During the meeting a mutual understanding of the system details shall be developed including the forms for recording the CQC operations, control activities, testing, administration of the system for both indoors and outdoors construction, and the interrelationship of Contractor's inspection and control with the Government's inspection. Minutes of the meeting will be prepared by the COR and forwarded to the Contracting Officer who will make them a part of the contract file. There may also be other subsequent meetings will be called to reconfirm understandings. Minutes of these meetings will also be forwarded to the Contracting Officer.

1b-03 QUALITY CONTROL PLAN.

a. Prior to starting the construction, the Contractor shall furnish his CQC plan through the COR to the Contracting Officer for acceptance. Construction will be permitted to begin only after acceptance of the CQC plan or approval of that portion of the plan applicable to the particular feature of the work to be started. The QC plan proposed by the Contractor shall identify personnel, procedures, instructions, records and forms, and, as a minimum, shall include:

(1) A description of the quality management organization.

(2) The names, qualifications, duties, responsibilities, and authorities of each person assigned a quality control (QC) function.

(3) A copy of the letter to the QC manager, signed by an authorized official of the firm, which describes the responsibilities and delegates the authorities of the QC manager.

(4) Procedures to perform QC over other activities including subcontractors, manufacturers, and suppliers.

(5) Control testing procedures for each specific test.

(6) Reporting procedures for QC including proposed reporting formats.

b. After approval of the QC plan the Contractor shall notify the Contracting Officer in writing of any proposed change to his QC plan. Proposed changes are subject to acceptance by Contracting Officer.

c. The acceptance of the QC plan is conditional and will be predicated on a satisfactory performance during the construction. If it is determined that the QC plan, personnel, instructions, controls, tests or records are not providing a construction conforming to contract requirements, the Government will reserve the right to require the Contractor to make changes in his QC plan and operations, as deemed necessary to obtain the specified quality. Any changes required to the plan will be made at no cost to the Government.

1b-04 QUALITY CONTROL ORGANIZATION.

a. The Contractor shall identify an individual within his organization at the site of the work who shall be responsible for overall management of CQC and have the authority to act in all CQC matters for the Contractor.

b. A staff shall be maintained under the direction of the system manager to perform all QC activities. The actual strength of the staff during any specific work period may vary to cover work phase needs, shifts and rates of placement. The personnel of his staff shall be fully qualified by experience and technical training to perform their assigned tasks, and shall be directly hired by and work for the prime Contractor.

1b-05 SUBMITTALS.

a. The Contractor shall develop procedures for purchasing materials and equipment, subcontracting, and processing shop drawings, samples, certificates, and other submittals. This procedure shall include the establishment of responsibilities to assure, at each level, adequate review and approval, timely delivery including verification procedures, and proper storage.

Submittals of the shop drawings and/or manufacturer's data shall be, as specified, in accordance with contract clauses entitled "Materials and Workmanship" and "Shop Drawings."

b. Actions shall be taken to ensure that only materials and equipment which comply with contract requirements are purchased and delivered to the job site or used in off site fabrication, unless specific deviations are approved, as specified hereinafter. The COR may request a copy of the document of transportation of the provided material.

c. The Contractor shall review the contract requirements and verify that submittals are confirming to contract compliance. Within 10 days after receipt of notice to proceed, the Contractor shall submit a submittal control document listing and scheduling all submittal items required in the contract. This document shall be in duplicate and shall be addressed through the COR to the Contracting Officer. The control document shall include such items as construction schedules, monthly progress reports, shop drawings, manufacturer's literature, certificates of compliance, material samples, and guarantees. The document shall schedule for each item the dates of submittals. The scheduling of submittals shall be coordinated with the approved progress schedule;

the information contained therein shall be reviewed and updated at each schedule update. Adequate time shall be allowed to the US Government for approval of submittals. The Contractor shall review the listing at each progress schedule update and copies of updated documents shall be submitted through the COR to the Contracting Officer in the specified quantity. Payments to the Contractor will not be made for material or equipment which does not comply with the Contract requirements.

d. The CQC organization shall be responsible for certifying that all submittals are in compliance with the contract requirements. Submittals to the Contracting Officer without evidence of the certification will be returned for resubmission.

e. The Contractor shall submit copies of all submittals through the COR to the Contracting Officer.

f. Delays in the approval process shall not be the basis for consideration of a time extension when such delay is the result of the Contractor's failure to make proper and timely submittal, or make corrections in accordance with the specifications or the Contracting Officer's comments, or is a result of a resubmittal which is required because of an unsatisfactory original submittal. Approval action by the Contracting Officer will not relieve the Contractor of his responsibility for compliance with the contract but will indicate only that the general method of construction and detailing is satisfactory.

g. All proposed deviations from contract requirements shall be submitted in writing for approval by the Contracting Officer.

1b-06 CONTROL. Quality control is the means by which the Contractor assures himself that his construction complies with the requirements of the contract plans and specifications. The QC system shall include at least the following three phases of control and management for all definitive features of work:

(1) Preparatory. This control phase shall be performed before beginning work on each definable feature of work. It shall include a review of contract requirements to assure that materials, sample, and equipment conform to contract requirements and that control testing procedures are finalized. The control shall also include examination of the work area to verify that structures over which new work is to be placed conform to contract requirements; Contractor shall also verify that the required materials be on hand and properly stored. The COR shall be notified at least 24 hours in advance of each preparatory activity.

(2) Initial. This phase of control must be accomplished as soon as a representative portion of the particular feature of work has been accomplished and shall include examination of the quality of workmanship and a review of control testing for compliance with contract requirements, identification of defective or damaged materials, omission, and dimensional requirements. The

COR shall be notified at least 24 hours in advance of the initial inspection and such inspection shall be made a matter of record in the CQC documentation.

(3) Follow-Up. The follow-up phase shall be performed continuously to verify that control procedures are providing an end product which complies with contract requirements.

Adjustments to control procedures may be required based upon the results of this phase.

(4) Completion. At the completion of all work or any increment, the CQC representative shall conduct a joint review with the COR. During this review the work shall be examined, quality control shall be examined, and a list shall be developed of work not properly completed or not conforming to plans and specifications. This list shall be included in the quality control documentation with an estimated date for correction of each deficiency. The Contractor shall make sure that deficiencies be corrected prior to the contract completion date. Payment will be withheld for defective or deficient features until they are satisfactorily corrected except as otherwise provided in the contract.

1b-07 TESTS.

a. The Contractor shall perform tests specified or required to verify that control measures are adequate to provide a product which conforms to contract requirements. The Contractor shall procure the services of an industry recognized testing laboratory or he may establish an approved testing laboratory at the project site. A list of tests which Contractor believes necessary shall be furnished to the COR. The list shall give the test name, specification paragraph containing the test requirements, and the personnel and laboratory responsible for each type of test.

The Contractor shall perform the following activities and provide the following data:

(1) Verify that the testing procedures comply with contract requirements.

(2) Verify that facilities and testing equipment are available and comply with testing standards.

(3) Check test instrument calibration data against certified data.

(4) Verify that recording forms including all pertaining documentation have been prepared.

b. Testing.

(1) The Contracting Officer reserves the right to check laboratory equipment in the proposed laboratory for compliance with the standards set forth in the contract specifications and to check the laboratory technician's testing procedures and techniques.

(2) The Contracting Officer reserves the right to utilize the Contractor's control testing laboratory and equipment to make assurance tests and to check Contractor's testing procedures, techniques, and test results at no additional cost to the Government.

(3) Cost incidental to the transportation of samples or materials will be borne by the Contractor.

1b-08 DEFECTIVE WORK. The Contractor shall not build upon or conceal a defective work.

1b-09 DOCUMENTATION.

a. The Contractor shall maintain current records, on an appropriate form, of quality control operations, activities and tests performed including the work of suppliers and subcontractors.

These records shall include factual evidence that the required activities or tests have been performed, including but not limited to the following:

(1) Type and number of control activities and tests involved.

(2) Results of control activities or tests.

(3) Nature of defects, causes for rejection, etc.

(4) Proposed remedial action.

(5) Corrective actions taken.

b. These records shall cover both conforming and defective or deficient features and shall include a statement saying that supplies and materials incorporated in the work comply with the contract. Legible copies of these records shall be furnished to the COR weekly. The records shall cover work performed during the time period for which the records are furnished and shall be verified by persons designated by the Contractor.

SECTION IIIa

DEMOLITION AND REMOVAL

3a-01 GENERAL. Breakups of predetermined dimensions and partial or total demolition of masonry and concrete surfaces, floor, etc., must be performed in a workmanlike manner, by taking the necessary precautions or by shoring the surfaces in order to avoid damages to the structures to be left in place, accidents, inconveniences or interference. Waste material shall not be thrown down, but rather, it shall be conveyed or guided downward, after wetting it to prevent raising dust.

During demolition or removal work, the Contractor shall adopt every measure suitable to avoid deterioration of the items which may be reinstalled, or which, in the opinion of the COR, may be used at a later date. These items shall be cleaned, guarded, hauled and set neatly in the storage areas indicated by the COR. The demolition work shall be limited to the work, or to its parts, and to the dimensions specified. Reconstruction of structures demolished over and above the quantities indicated, as well as rehabilitation of work damaged as a result of lack or omission of precautions or shoring, shall be performed by the Contractor. All waste material resulting from demolition and removal shall be handled by the contractor in accordance with para. 1a-02 of these specifications.

SECTION IIIb

EXCAVATION AND BACKFILLING

3b-01 EXCAVATION.

a. General. During excavation, material suitable for backfilling shall be piled at a sufficient distance from the banks of the excavation to avoid backslides. All earthy material in excess or unsuitable for backfilling shall be delivered to the location indicated by the COR and within 10 km from work site. This does not apply to debris and rubble of all types, from which excavation material shall be rid of; these shall be disposed of at a dump, as prescribed at paragraph 1a-02. In case excavation is performed in presence of water and water level is below 20 cm height, the contractor shall remove water at his expense using the means he deems suitable. If water reaches higher levels, removal shall still be at contractor's expense only if the possible presence of groundwater is indicated on the drawings or in these specifications, and only to the extent indicated. In addition, the contractor shall prevent the access of water deriving from outside to the excavation site: in case water accumulates in excavated area, removal will be at contractor's expense. Struts and shoring shall be placed as necessary for the protection of the work and for the safety of personnel. Adequate precautions shall be taken for the protection of existing underground pipelines or electrical cables. Before any excavation is started, plans showing the approximate location of underground utility lines shall be furnished to the Contractor, upon his request. The area of excavation shall be delimited by trestles, gangplanks, and warning signs visible during night and day, to prevent injuries to persons, as prescribed by the ISPESL standards.

b. Trenches. Trenches shall be of the necessary width for the proper laying of the pipes and electric cables, and the banks shall be as nearly vertical as practicable. The bottom shall be accurately graded so as to provide bearing for the pipe on firm soil. The clear space between the pipe and the trenches wall shall not exceed 8" (20 cm.) on either side of the pipe. Further excavation will be required for housing and sealing of pipe joints. In proximity of buildings, existing underground utility lines, and wherever specifically requested in other sections of these specifications or on drawing notes, trenches shall be excavated manually.

c. Excavation for Foundation and Appurtenances. Excavation for manholes and similar structures shall be of sufficient dimensions as to leave a 12 inches (30 cm.) free space between their outer surfaces and the embankment or timber which may be used to hold the banks.

3b-02 BACKFILLING. Trenches shall not be backfilled until foundation, pipes or cables have been inspected and approved. Where, in the opinion of the COR, damage is likely to result from withdrawing of shoring, the latter shall be left in place. Trenches shall be backfilled with the excavated materials, if deemed suitable, free from large clods of earth, stones, and roots.

Backfilling material shall be deposited in 15 cm. (6") layers, thoroughly rammed until the trench is completely covered, and watered as necessary. Any material rejected by COR shall be replaced with material acceptable to the COR, coming from borrow pits located outside the US military base.

3b-03 REPAIRS. All crossings of existing paved or asphalt coated surfaces shall be cut neatly vertical and horizontal. At the completion of the work, pavement and sidewalks shall be restored to the original conditions. Damaged lawns shall be sown again and damaged plants shall be replaced with others of the same kinds. Any damage caused during the work progress shall be repaired by and at the expense of the Contractor. The Contractor shall be responsible also for injuries caused to persons as a result of non-compliance with prescribed ISPESL norms.

NOTE: In addition to above requirements, before starting the excavation, the Contractor must investigate with a metal detector furnished by himself the location of existing underground utility lines, e.g. electrical, communications, water, TV lines, or any other utility which may not be shown on the existing condition drawings, in order to prevent damaging or interrupting any existing utility. Investigation shall be done in the presence of the COR. Trial runs shall be done with the metal detector in the presence of the COR or his representative prior to the investigation.

Investigation shall be done following COR approval of metal detector. The Contractor shall mark-up on a copy of the existing conditions the exact field location of the existing utility lines which are found during excavation. This copy shall then be submitted to the COR. Excavation work performed close to existing utility lines shall be done by hand within a 3 meter radius.

SECTION IVb

REINFORCED CONCRETE

4b-01 MATERIALS. Concrete pouring for the work specified in these specifications shall have the following indicative mix unless different requirements are provided:

Fine sand 0.1-2 mm 300 Kg Coarse sand 2-7 mm 600 Kg Crushed rock 7-15 mm 450 Kg Gravel 15-25 mm 450 Kg Cement, class 325 360 Kg Water 210 l

Sand shall be free from slime, and the organic matter contents shall not exceed the limit established by Ministerial Decree 3/6/1968.

Concrete shall have the following characteristics:

Lean concrete:

- 28-day characteristic cubic strength: Rck min. 15 N/mm2

Concrete for structural elements:

- 28-day characteristic cubic strength: Rck min. 30 N/mm2 (25/30 class– UNI EN 206 )

- exposure class: Rck E XC1– XC2-UNI EN 206

- water/cement ratio: max 0.60

- aggregates: normal type

- consistency type: S5

- chloride content class: Cl 0.20

If no differently required, steel to be used for reinforcement shall be type B 450C, round deformed and factory checked, with the following characteristics:

Yield tensile stress N/sq.mm. 450 Ultimate tensile stress N/sq.mm. 540 Average ratio between effective (fy_eff) and rated (fy_nom) yield tensile stresses shall be lower than 1.25.

Average ratio between ultimate and yield tensile stresses shall be between 1.35 and than

1.15.

Uniform elongation at maximum tensile strength shall be > 7,5%

4b-02 BATCHES. Batches shall be prepared and hauled so as to avoid segregation of the components, or a premature start of curing at the time of concrete placement. The casting must be adequately compacted and vibrated. The concrete surface must be kept moist for a minimum 3 days period. Concrete shall not be placed when the temperature is less than 0 degrees C.

4b-03 NORMS. In addition to what specified on the drawings in these specifications, the requirements of law 5/11/1971 and of D.M. 14/1/2008 “Norme Techniche per le Costruzioni” (technical norms for constructions) apply.

SECTION XIIIa

ELECTRICAL SYSTEMS

13a.1 GENERAL DIRECTIVES AND REFERENCE NORMS

13a-1.1 Reference norms The publications listed below are an integrative part of these specifications as applicable and in the version governing at the contract award.

Italian publications

- All applicable norms of the Comitato Elettrotecnico Italiano (CEI).

European publications

- All applicable norms of the European Committee for Electrotechnical Standardization

(CENELEC).

USA publications (civil and military ones)

- NFPA 70 National Electric Code

- NFPA 780 Installation of Lightning Protection System

- NFPA 101 Life Safety Code

- UFC 3-520-01 Unified Facilities Criteria – Interior Electrical Systems

- UFC 3-530-01 Unified Facilities Criteria – Interior and Exterior Lighting and Controls

- UFC 3-550-01 Unified Facilities Criteria – Exterior Electrical Power Distribution

- UFC 3-570-03N Unified Facilities Criteria – Power Distribution Systems

- UFC 3-570-02N Unified Facilities Criteria – Electrical Engineering Cathodic Protection

- UFC 1-200-02 Unified Facilities Criteria – High performance and sustainable building requirement

- UFC 4-010-01 Unified Facilities Criteria – DoD Minimum Antiterrorism Standards for

Buildings

- UFC 4-022-01 Unified Facilities Criteria – Security Engineering: Entry Control

Facilities/Access Control Points

International publications

- All applicable norms of the International Electrotechnical Commission (IEC).

In case of conflict between the norms listed above, the more stringent norms as to safety shall apply.

13a-1.2 Requirements of the firm installing the systems The firm in charge of the installation shall have all the qualifications required by Decree n. 37 of 22 January 2008 “Regolamento concernente l’attuazione dell’articolo 11-quaterdecies, para. 13,

a) della legge n. 248 del 2 dicembre 2005, recante riordino delle disposizioni in materia di attivita’ di installatione degli impianti all’interno degli edifici” (regulations on implementation of article 11-quaterdecies, para. 13 a) of law n. 248 of 2 December 2005 for the modification of the requirements on the installation of systems inside buildings):

- The firm shall be inserted in the roll of firms as per Decree of the President of the Republic 7 December 1995, n. 581 and subsequent modifications, or in the Provincial Roll of handicraft firms as per law 8 August 1985, n. 443.

- The firm shall have all certifications acknowledging the technical-professional requirements, as per the models approved by Decree of the Minister of Industry, Trade and Handicraft of 11 June 1992. In particular the firm shall have the authorization to work on systems as per letter “a” of article 1 of DM 37/08.

The installing firm shall provide the COR with all certifications mentioned above, attesting the suitability to the performance of the work.

13a-1.3 Statement of compliance At the completion of the work and after the checks required by the governing norms, including the ones on the system operation, the firm in charge of the installation shall provide the COR with 2 copies on paper of the statement of compliance pertaining to the system installed as per the norms of article 6 of Decree n. 37 of 22 January 2008. The report containing the types of materials to be used, as well as the project as per article 5 of Decree n. 37, are part of the report, which has to be prepared as shown on enclosure I of the decree, as modified by DM 19 May 10 “Modifica degli allegati al decreto 22 gennaio 2008, n. 37, concernente il regolamento in materia di attivita’ di installazione degli impianti all’interno di edifici (modification to the enclosures of decree 22 January 2008, n. 37, on the regulation of installation of systems inside buildings).

Statements of compliance on different forms and/or lacking the pertaining documentation to be enclosed will not be accepted. In addition, the installing firm shall provide the COR with a .pdf file deriving from scanning the original statement, stamped and signed, with the enclosures.

13a-1.4 Materials to be installed All electrical materials and equipments to be installed shall be in compliance and installed as indicated by the manufacturers or by the installing firms, and as indicated at paragraph 1.1, complete with CE brand. In no case the material, the equipment or the method of installation shall be inferior to the standards established by the latest edition of the applicable norms. The equipment defective or damaged during the installation or the final tests shall be replaced or repaired as approved by the COR. The contract drawings show the extension and general location of the system. If variations with respect to the contract drawings or to the specifications are deemed necessary by the contractor to make the system in compliance with the norms mentioned above, these variations and their reason for shall be submitted to the COR for their technical approval as soon as possible. No variation shall be performed without the preventive written approval by the Contracting Officer.

Unless otherwise indicated in writing by the COR, the materials to be furnished under these specifications shall be unused, first grade commercial quality standard products of a reputable manufacturer regularly engaged in the production of such equipment and shall be the manufacturer's latest standard design that complies with the specification requirements. Where two or more units of the same class of equipment are required, these units shall be the products of a single manufacturer; however, all component parts of the equipment need not be the products of a same manufacturer.

13a-1.5 Submission of materials for approval With reference to paragraph 1a-04, the Contractor shall submit a complete list, in triplicate, of the materials, fixtures and equipment to be utilized in the work, to the COR’s approval. The list shall include the country of origin, name of manufacturer, catalog numbers, pictures, diagrams, drawings, and any other necessary description of technical data. In case the factory literature does not describe the material in sufficient detail to ensure conformance with the specifications, samples of the materials shall be submitted for approval. In the case of special made-to-order equipment, or shop fabricated items standard components, shop drawings showing fabrication details, material specifications, finishing, installation methods, etc. shall be submitted in triplicate. No consideration will be given to partial lists submitted from time to time. Any listed material, fixtures, and equipment that are not of first grade commercial quality or not in accordance with the specifications requirements shall be subject to rejection. Descriptive literature and shop drawings covering approved material and equipment will remain in the possession of the US Government and material or equipment samples will be retained until the required quantities of approved material or equipment have been delivered to the building site or until determined by the COR.

13a-1.6 Equipment installation The contractor shall perform all operations of uncrating, assembly, setting in place, levelling, anchoring, testing and adjusting for perfect operation of all machinery and equipment items, except for items to be installed by the US Government agencies. The locations shown on the drawings may be subject to minor deviations to avoid interference with utility lines or architectural features of the building. Measurements for mounting bolts, platforms or recesses will not be taken from the drawings but will be confirmed from approved equipment manufacturer's shop drawings or directly from the machinery or equipment. The electric circuits and services for other utilities will be installed as indicated on the drawings. The exact location of machinery connection boxes, conduit pipe or tubing risers will be confirmed on the field, prior to installation to provide the most convenient accessibility to the connection on the machines. If the manufacturer does not provide machines with connection boxes, the Contractor shall supply and install the proper boxes to ensure satisfactory enclosed connections.

13a.2 REMOVAL Included in the electrical removal are all circuits with relative surface mounted or recessed raceways, and all equipment connected to them, such as electrical panels, light fixtures, switches, receptacles, junction boxes, etc., complete with ancillary fastenings, and any other material not necessary in the new system. Partial removal of the electrical system shall be carried out so that electrical circuits in the rooms adjacent to the areas where work is performed remain operational.

All existing masonry work or utility lines damaged during the removal shall be adequately restored to match the original conditions.

13a.3 GROUNDING SYSTEM

13a-3.1 General The grounding system shall be installed in compliance with norms CEI EN 50522, CEI 64-8 and with handbook CEI 64-12. When the grounding system is used as a lightning protection system, also standard CEI EN 62305 and NFPA 780 shall be complied with, as well as specific military norms or standards.

13a-3.2 Cases in which grounding is forbidden Grounding is forbidden in the following cases (unless otherwise indicated):

- Class II equipment (provided with double insulation);

- Equipment fed by isolation transformers (protected for electrical isolation); in case the isolating circuit feeds more than one user, masses shall be interconnected through a unipotential conductor insulated from grounding.

- Equipment fed by safety transformer (SELV protection).

13a-3.3 Ground systems components The ground system shall consist of the following parts:

- Ground rods;

- Main ground bus for connection of the grounding and protecting conductors;

- Ground conductors for the interconnection of the following elements:

o ground rods among themselves o ground rods to the main ground bus o foundation reinforcements to the main ground bus ;

- Protective conductors for connection of all equipment steel castings to main ground bus

(PE);

- Conductors for main equipotential connections (EQP) connections, connecting to the main ground bus.

o Pipes entering the building, mainly for water and fuel oil supply o Pipes for the main heating and air conditioning systems;

o Any metal structure of the building

- Conductors for supplemental equipotential connections, required for the following spaces:

o Bathrooms and shower rooms o Swimming pools o Medical or beauty rooms.

The supplemental equipotential connections connect all extraneous masses present in the room to the supplemental equipotential node, namely the pipes entering the room and the metal parts, such as doors and windows providing a resistance to grounding below the following values:

o 1000 ohm in bathrooms, shower rooms and swimming pools o 200 ohm in medical rooms of group 1.

The contractor shall perform the measuring of the resistance to ground of the external masses.

13a-3.4 Connections Connections between grounds system parts shall be sufficiently sturdy to withstand possible mechanical stresses and at the same time, not to damage the system parts. Unless otherwise indicated on the drawings, connections shall be as follows:

- Connections among ground conductors and between ground rods and ground conductors shall be performed through exothermic welding type CADWELD when directly buried.

- Connections between ground rods and ground conductors shall be performed using clamps and bolts when inside grounding pits. Clamps shall be of copper and adequate for round ground rods. Ground conductors shall be connected to clamps through copper ring lugs;

connecting bolts (screws+nuts+washers) shall be of stainless steel AISI 316.

- Connections between accessible ground conductors shall be obtained through an exothermic welding type CADWELD or through “C” shaped sturdy clamps of the compression type, of electrolytic copper (to provide a contact equivalent to the one of the welding); in this case connections shall be protected by a special compound to prevent oxidation when performed outdoor.

- Connections of ground conductors to foundation reinforcements shall be performed through exothermic welding type CADWELD.

- Connections between ground conductors and main ground bus or between protecting conductors and main ground bus shall be performed using ring lugs of nickel coated brass, of the clamp type, connected to the bus by screws, bolts and washers of nickel coated brass.

- Connections between conductors and metal masses shall be performed using the most adequate accessories depending on the metal mass to be connected and to prevent corrosion: for metal pipe grounding, collars or straps complete with clamp for fixing the equipotential conductor shall be used.

- Connections between equipotential conductors and main of secondary ground bus shall be performed using eye strap collars of nickel coated brass of the clamp type, connected to the bus through screws, nuts, washers of nickel coated brass.

Connections of main equipotential conductors to pipes entering the building shall be performed at the entrance of pipes into the building.

Connections of secondary equipotential conductors to pipes entering the building shall be performed at the entrance of pipes into the room.

The contractor is required to visually verify equipotential connections at the presence of the COR before closing chases.

13a-3.5 Ground rods Ground rods shall be of the sectional type with circular solid cross section, made of steel with a

0.5 mm thick copper plate covering, 20 mm external diameter, 3 meter minimum length. The ground rod shall be complete with joint sleeves, extension sections, miscellaneous type wire terminals (depending upon the project installation requirements), drive head, and bottom cone.

The method of driving indicated by the manufacturer shall be complied with to avoid any damage to the rod. The various rod sections shall be driven as perpendicular to the ground as possible. The ground rod top shall be driven below the ground level to avoid corrosive effects whenever possible. In any case the part of rod in direct contact with the ground shall not be less than 2.8 m. Ground rods shall be housed inside accessible ground pits, unless otherwise indicated on the drawings or in the description of the work.

13a-3.6 Inspectable Ground Pits Ground pits shall be sectional type, pre-cast concrete. The bottom of the ground pits shall be provided with a hole for ground rod and conductor penetrations. The internal minimum dimensions shall be: 50 (length)x 50 cm (width)x 50 cm (height), 5 cm thick. Installed ground pits shall be equipped with frame and cover of class D400 cast iron, that shall result flush with the adjacent surfaces. The ground surrounding the station shall be compacted and a concrete pouring shall be performed around it to increase stability. A dedicated sign shall be permanently fixed with expansion anchors and screws of stainless steel AISI 316 on the closest wall. The distances from the sign to the pit shall be reported on the sign by engraving.

13a-3.7 Main ground bus shall consist of a flat bar of bare copper complete with installation spacers. Unless otherwise indicated on the drawing or in the scope of work, the main panel ground bar will work as main grounding bus. All conductors connected to the main bus shall be identified with labels fixed permanently and indicating the components connected.

13a-3.8 Secondary grounding bus shall consist of a bare copper bar, holed and complete with fixing spacers, in an inspectable box.

Secondary grounding conductors shall be connected to the main bus through a protecting conductor of the flexible and insulated type having 6 sq mm minimum cross section. All conductors connected to the secondary bus shall be identified with tags fixed permanently, indicating the components connected.

13a-3.9 Ground conductors.

Ground conductors shall be of bare copper strand, 70 sq mm minimum cross sectional areas and minimum diameter of each single wire 2.14 mm, installed at minimum 75 cm depth below ground level. Service entrance sections to the building shall be protected by conduit and shall be removable.

13a-3.10 Protective conductor (PE) shall be of copper, flexible, insulated, yellow-green, minimum cross sectional areas as indicated below:

13a-3.11…