ASHE_14_1036_SOW.doc

DATE: FEB 2015

U.S. AIR FORCE

31ST FIGHTER WING

31ST CES/CENMP

AVIANO AIR BASE, ITALY

TECHNICAL SPECIFICATIONS

PROJECT ASHE 14-1036

REPAIR HVAC SYSTEM BLDG 1412

AREA F, AVIANO AIR BASE, ITALY

1. PROJECT SCOPE

The Contractor shall furnish all personnel, equipment, material, transportation, supervision and any other necessary item and service to repair the existing HVAC system in the dining facility bldg 1412. Most of deficiencies are due to positive/negative pressure balance.

Work requires:

· General mechanical and electrical maintenance / restoration of existing system..

· Replacement of some digital devices and associated probes and test of existing DDC System.

· New Air Flow TABs of the existing system.

· Design phase to analize, correct and optimize the Air Flow.

· Mechanical, electrical works necessary correct the deficiencies and improve the energy efficiency of the system.

· Re-program existing DDC system for the new conditions.

· Re-perform air flow TABs to record all the values for future maintenance.

NOTE: During the work execution, the Contractor must guarantee the continuity of service of the Dining facility.

2. WORK SITE CONDITIONS

a. 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.

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, 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.

c. 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.

d. Toilet facilities in the vicinity of the work site shall be available for Contractor use. The Contractor shall use facilities in a manner to maintain their state of cleanliness and hygiene.

e. 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.

f. 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.

g. 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 D.M. 81/08.

h. 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 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. DESIGN REQIREMENTS

PERFORMANCE SCHEDULE

Performance schedule authorized is 120 (ONE- HUNDRED and TWENTY) calendar days after Notice to Proceed (NTP) and shall follow the phases as described in Table 1.

Table 1

[CD]

PROGRESSION

[CD]

NTP = Notice to Proceed

CD = Calendar Days

a. SUBMITTALS

· All submittals shall be in dual language: Italian and English.

· A transmittal sheet must accompany the media containing the information included on the external labels, total number of volumes being delivered, and a list of file names and file descriptions on each volume. The transmittal sheet must also include instructions for reading, restoring, or transferring the files from the media, and certification that all delivery media is free of known computer viruses.

· Prepare typed documents on compact disk (CD) read only memory (ROM) media in “Microsoft© Office 2007” and “Adobe Acrobat 7.0” or latest editions. Prepare A4 (210 x 297 mm) size documents.

· Prepare computer aided design (CAD) drawings on compact disk (CD) read only memory (ROM) media in an AutoCAD Release 2007 "DWG" file format and “Adobe Acrobat 7.0”. Prepare drawings in A2 size.

· Unless otherwise specified in the Technical Specifications, each delivery of documents is subject to review and approval by the Contracting Officer.

· Submittal include copies of the minutes of all review comments, items discussed, Contractor answers to Government review comments, discussions, conclusions, agreements, etc.

· A copy of the preferred title sheet and title can be provided in both digital and hard copy upon request.

· When available, the Government will furnish “as built” or construction drawings pertinent to the facilities involved. Such drawings, however, are not warranted to show presently existing conditions at the site. Contractor therefore, shall verify in the field all data shown on such drawings as necessary for accomplishment of this work and shall obtain all other data as required to insure the complete and proper design of the project.

· The Contractor shall prepare and submit with the design documents appropriate connection, fabrication, layout, and product specific drawings.

· The Contractor shall produce design submittals that are more like shop drawing submittals so that after final design approval, submittals are minimized.

Submittal requirements are as follows:

b.1 Site Survey and Pre-Final Design (60% DESIGN). Include Site Survey report, half-size drawings, specifications and manufacturer's data sheets.

b.2 Final Design (100% DESIGN). Incorporate comments on 60% design, design analysis and calculations and submit original design documents.

b.3 Format of Design Documents Prepare, organize, and present design drawings in accordance with ISO-UNI Standards in a manner considered standard industry practice, except as modified herein. Design drawings shall be complete, accurate, and explicit enough to show compliance with requirements and to permit construction. Prepare computer aided design (CAD) drawings on compact disk (CD) read only memory (ROM) media in an AutoCAD Release 2007 "DWG" file format. Prepare A1size drawings. Each drawing shall bear the seal and signature of the registered architect or professional engineer who prepared the design for the specific technical field. Drawings shall be geospatially referenced using real world coordinates WGS-1984 UTM 33N. The Technical Support Section will provide an AutoCAD drawing that is geospatially referenced for the contractor to use as a background.

b.4 Drawings required

As a minimum, prepare design drawings to incorporate the types of drawings needed by each design discipline and in the detail required by the specification sections furnished with the SOW.

b.5 Copies of Design Documents

For each design phase (60% and 100%) Provide copies of the design documents for review as follows:

· 3 hard copies of drawings;

· 3 hard copies of specifications and manufacturer's data sheets;

· 3 hard copies of design analysis;

· 3 hard copies of calculations;

· 3 CDs with the entire submittal.

4. DESIGN STANDARDS

(1) UNI Norms;

(2) CEI Norms;

(3) UNEL Norms;

(4) Italian Law No. 64 dated 2 February 1974 and related decrees;

(5) Italian Law No.10 dated 9 January 1991;

(6) Italian Ministerial Decree No 37/08 dated 22 January 2008;

(7) Italian Law No. 46 dated 05 March 1990 and associated technical enforcement decree No.

447 dated 06 December 1991;

(8) Italian Ministerial Decree dated 14 January 2008 Technical Norms for Constructions in

Seismic Areas

(9) Other applicable Italian national and regional laws.

The project shall be also in compliance with Aviano Air Base Master Specifications, dated November 2005 available at the Engineering Office (31CES/CENM) during normal duty hours. Please refer to Contracting Office for 31CES contact details.

5. SITE SURVEY REPORT

The Contractor shall perform site surveys and all other investigations needed to clearly determine the existing site conditions and to perform drawings to be used for the survey report and project design. Contractor shall make all needed contacts and coordination with the Base Agencies to clearly determine all work requirements to be included in the project design, to develop the facility floor plan and to identify and size all equipment and materials to be installed in order to fulfill the project scope and the related defined work requirements. The Contractor shall prepare a “Survey Report” containing the project scope and requirements; list of all applicable US Air Force and Italian laws, norms and local regulations; descriptions of survey’s findings including lists of contacted Persons and Base Agencies; discussions, evaluations and evaluations results; recommendations including descriptive lists of works to be performed and preliminarily sized equipment/materials to be installed in order to fulfill the project scope and requirements; problems to be solved.

6. SPECIFICATIONS AND MANUFACTURER'S DATA SHEETS

The Contractor shall make final product and material selections during the design phase. Submit manufacturer's data sheets for materials, equipment, fixtures, devices, and systems that will be provided, clearly marked to indicate the exact item(s) to be included in the construction.

7. DESIGN ANALYSIS

Prepare design analyses consisting of a basis of design and calculations for each design discipline. The design analyses shall be a presentation of facts to demonstrate the concept of the project is fully understood and the design is based on sound engineering principles. The design analyses for each discipline shall include:

a. A basis of design consisting of:

1. An introductory description of the project concept which addresses the salient points of the design;

2. An orderly and comprehensive documentation of criteria and rationale for system selection; and

3. The identification of any necessary licenses and permits that are anticipated to be required as a part of the design and/or construction process.

b. Calculations as needed to support the design and their format:

The design analyses for each design discipline shall include a cover page indicating the project title and location, contract number, table of contents, and tabbed separations for quick reference. Each design analyses shall be prepared on A4 size (210 x 297 mm) or Letter (8.5 x 11 inch) size white paper and be bound in separate volumes for each design discipline. Multiple volumes for individual disciplines, appropriately numbered, may be provided when needed. Organize as follows:

a. Mechanical – Plumbing.

b. Air flow TAB.

c. Electrical.

d. DDC logic and digital controls.

8. CALCULATIONS

a. Calculations for each design discipline shall include a cover page, a table of contents, a summary of criteria, the project title and location, and contract number. Calculation pages shall be legible. Cite criteria from which calculations, rationale, and formulas are extracted by publication number, title, edition and page number. The cover page of calculations shall also include the names of the persons originating and checking the calculations. The person checking the calculations shall be a registered professional engineer other than the originator. In addition, the signature and seal of the designer responsible for the work shall be placed on the cover page of the calculations for the respective design discipline.

b.

Computer printouts, if used, shall be identified similar to the calculations and may be referenced as an appendix or attachment to the design analyses. Identify the computer program name, source, and version. Schematic models used for computer input shall also be provided.

9. MATERIAL SUBMITTAL

Materials and other items shall be submitted for the approval by the Contracting Officer in accordance with clause entitled “Materials and Workmanship”.

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

10. CLOSEOUT DOCUMENTATION

· 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 (blank DD1354 and category codes list CATCODE_LIST_2010 are available at the Engineering Office (31CES/CENM) during normal duty hours). Contractor is required to provide final Form DD1354 for 31CES/CD signature before contract close out;

· For main item/works included in the project (roofing, electrical systems, mechanical systems and equipment, etc) warranty period will be indicated in accordance with CE norms (2 years) unless otherwise indicated (Based on single project, Special warranty periods more compatible with modern construction technologies may be indicated in the technical specifications and included in the contract E.g., roofing 10 years, etc);

· Before contract close out, for main items/works included in the project (roofing, electrical systems, mechanical systems and equipment, etc), for warranty call purpose, Contractor will be required to provide 3 copies of a 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;

· Before contract close out, Contractor will be responsible to provide 3 sets of AS BUILT drawings signed and stamped by qualified engineer and cd with 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).

11. DECLARATION OF COMPLIANCE

Contractor shall provide declaration of compliance for all mechanical and electrical systems in accordance with D.M. No.37 22/01/2008.

12. TESTING CERTIFICATES AND REPORTS

Provide Three (3) copies of Testing Certificates and Reports of all mechanical and electrical systems. All related certificates shall be done, stamped and signed by Official Testers registered in their own Boards.

13. O&M MANUALS, CONTRACTOR RESPONSIBILITY

Provide Three (3) copies of use, maintenance, repair and safety manuals of the equipment in accordance with the norms in force. A separate volume, in English and Italian, in two copies, shall be furnished containing the details of the controls, adjustments, maintenance and interventions by the Contractor. Everything foreseen in this volume is an integral part of the Contractor’s responsibility without any further compensation by the U.S. Government.

14. GENERAL MECHANICAL & ELECTRICAL REPAIR.

a. Installation of 8ea fluor. Light fixtures 2x18W IP54 on the under roof mech.room with 2ea switches.

b. General maintenance of the no 6ea ATUs, accurate internal cleaning/degrease, replacement of all belts. Sweep and vacuum cleaning of under roof floor.

c. Cleaning/degrease of all cold and hot water coils.

d. Replacement of no 10ea 3Way valve and associated electronic controls.

e. Restore insulation of under roof air ducts, install wooden bridge above the ducts to create a safe ways for maintenance purpose.

f. Repair ATUs metal frame where necessary.

g. Total replacement of all filters, some filters are missing, mark with label the filters and provide dwg with locations. Provide one set of spare filters.

h. Install big labels on ATUs, exhaust fans, ducting system, pipeline, electronic sensors, actuators, etc, for easy identification during the periodic maintenance.

i. In the mechanical room install labels to identify cold and hot water flow and other components.

j. General test and maintenance of all fire dampers; Mark with label on the ceiling the location for each-one and showing “open-close” position; provide the location on dwg.

k. Replace 6ea air dampers mechanism plus electrical actuators and Test.

l. Repair fresh air intake system; presently during the winter the air flow is very cold and during summer is very hot.

m. Cleaning and degrease of aprox 110 diffusers and return grids on existing suspended ceiling including the first 30 cm of the ducting.

n. Provide to protect the existing sharpened supports inside the mechanical rooms.

o. Modify 4ea fresh air intake external grids; remove existing anti-bird screens; installation of new removable anti-bird screens inside the ducts; furnish 4ea spare anti-bird screens .

15. NEW METAL STAIRCASE.

a. Remove existing galvanized staircase going in mechanical room, Install new galvanized inclined stairway 90 cm wide, with lateral hand railings and a platform on the top cm 90 x 90.

16. KITCHEN HOODS REPAIR.

a. Cleaning and general maintenance of 6ea Hood Exhausts 2way balanced flow.

b. Correct the functioning of 6ea emergency gas valves. At the present time, when hoods are switched off, the existing 6ea release Gas valves interrupt Gas and must be re-armed manually.

c. Replace 12ea electrical motors and install an inverter on each fan motor (total 12ea) of all kitchen hoods to obtain for each hood a 3 speed steps or a continuous regulation of air speed.

d. Cleaning of 2ea exhaust hoods in dishwasher area. replace electrical motors and associated components.

e. Re-balance air flow.

f. The hoods must be controlled by existing DDC; Install digital sensors and modify existing graphic interface.

17. RESTORE EXISTING DDC System.

a. The existing DDC is made by “Satchwell Manufacture”; The Contractor must work in conjunction with Satchwell Technician to perform any work related to subject software.

b. Replacement of 10ea field digital devices and associated bus going to existing DDC.

c. Update and modify the software and related graphic interface to control the HVAC and the kitchen exhaust hoods.

d. The updated software and graphic interface, shall contain a tools to modify and manually forces the status of valves and dampers by our Base Maintenance personnel to perform maintenance test.

e. At the end of the work the Satchwell Technician will release test documentation and will perform adequate training to our maintenance personnel.

18. AIR FLOW TABs (2ea).

2ea air flow TABs are required:

a. After completion of “General repair” (para 14), to analize the existing situation and study the corrections.

b. After the completion of all works to show the results obtained.

c. Record of all the values for future maintenance purpose.

19. TRAINING AND MAINTENANCE LOG.

a. 4 hours of training in English to our HVAC personnel.

b. Provide a paper book (both English and Italian) for a periodic and detailed maintenance program within detailed instructions.

Project # ASHE 14-1036

Technical Specifications

DATE: FEB 2015

31CES/CENM

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