ASHE_16_1030_Technical_Specifications_Rev3.pdf

Project # ASHE 16-1030 Technical Specifications REV.3

DATE: MAY 2017

31CES/CENM 1

Date: MAY 2017

U.S. AIR FORCE

31ST FIGHTER WING

31ST CES/CENM

AVIANO AIR BASE, ITALY

TECHNICAL SPECIFICATIONS FOR

ASHE 16-1030 REPAIR HVAC SYSTEM MULTI

AREA F, AVIANO AB, ITALY

REVISION #3

31CES/CENM 2

1. SCOPE OF WORK

The Contractor shall furnish all manpower, equipment, materials and transportation to restore the HVAC system in the facilities 14671, 1204 and 1478 in area F.

2. WORK SITE CONDITIONS

2.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. 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 weekends or U.S. holidays in order to minimize impact to base activities.

2.b. Work during weekends or holidays may be requested by the Contractor with a minimum of 14 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.

2.c. 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.

2.d. 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.

2.e. 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.

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

2.g. Before works start, contractor will submit a detail works schedule to C.O. for coordination and approval.

3. 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 OR

MANIFESTLY NECESSARY TO DELIVER A COMPLETE PROJECT BASED ON ITS OVERALL SCOPE.

31CES/CENM 3

3.1 Bldg 14671.

Note: This boiler room feed the domestic hot water to the kitchen of Italian Mensa. A single day of hot water outage is permitted with 14 days advance notice.

a. Boiler Room, Removal.

Removal of two (2) boilers, burners, associated valves and safety valves Removal of existing 2000 Lt. hot water storage tank.

Removal of eight (8) ball valves on main manifold.

Removal of three (3) expansion tank 24 Lt. and one (1) 105 Lt.

Removal and disposal of existing Air Treatment Unit (ATU) above roof.

L.S.

b. Temporary Boiler to feed domestic hot water.

Note: This item is required prior to start removals activities to avoid hot water outage. A single day of hot water outage is permitted with 14 days advance notice.

Installation of temporary gas boiler, gas feeding line and storage tank outside of the boiler room.

If necessary, the contractor is permitted to temporarily re-use existing boiler plant equipment.

Work includes any other mechanical and electrical works to guarantee hot water supply demand as current situation.

Work includes any civil and electrical works to support the above work item.

As the new system is complete and operational, remove all temporary equipment and restoration of the area to original condition.

If a fault of temporary system occurs, Contractor must guarantee his intervention within 12 hrs of first notification from Contracting Officer.

c. Boiler room, Civil works, space expansion works:

Note: The expansion of the boiler room consists of a reduction of space of adjacent administrative office space. Contractor is responsible to adopt any precaution to avoid damages to US goverment property.

• Work includes moving, disassembling/re-assembling office furniture, relocation of metal safe as directed by Project Manager.

• Relocation of 1 heat and 1ea smoke detectors in the new office space, in accordance with the new room layout.

• Relocate 2ea electrical and 2ea data outlets in office space in accordance with the new room layout;

• Installation of 2ea additional shuko/bipasso outlets in the new office space with external piping to be connected to existing Electrical box.

• Remove completely the suspended ceiling, disposal, new suspended ceiling only in the new office space. New suspended ceiling area 7.5 SqMt.

• Maintain the ceramic floor in the new office space and boiler room expansion.

• Remove and dispose air duct and block opening in boiler room expansion.

• Relocate 3ea Fluorescent Light fixture on suspended ceiling on new office space and associated switches.

31CES/CENM 4

• Removal of all existing electrical wiring in new boiler room expansion; this space must be fed only by existing electrical distribution panel in the boiler room.

• Relocation of existing in-door A/C split unit in the new office space, replacement of insulated copper lines, re-charge refrigerant gas as necessary.

• Relocate existing fan-coil in new office space.

• Contractor is responsible to protect and if necessary, support existing Sprinkler system and heating pipeline crossing the partition wall to be demolished.

• Demolition of partition wall adjacent to office space, from floor to roof; work includes any masonry work for a complete finish on adjacent surfaces; area to be demolished Mt 3.3x3.3.

• New masonry partition wall, from floor to ceiling dimension Mt 3.0x3.0, with appropriate metal anchoring on lateral walls and ceiling, fine plaster finishing on both sides.

• Fire-Proof gypsum panels. Fire rate REI 120 as marked in the sketch, total area 19 SqMt.

• 2ea new fluorescent light 2x36w IP65 on the new boiler expansion, including 2P switch.

• Demolition of 2ea existing concrete platforms supporting the demolished boilers; restore floor with new ceramic tiles matching existing.

• New concrete platforms 1.80x1.0mt and 1.50x1.0mt to support 2ea new boilers and 2ea new

2000Lt hot water storage tanks.

• Deep cleaning of existing floor tiles and pipeline aluminum covers.

• Painting of walls and ceiling in existing boiler room and associated expansion.

• Disposal as per Italian law.

d. New 2ea Boilers and burners.

New 2ea boilers type Riello RTS 115 3S “or equal” approved.

Fire capacity 115 KW.

Steel made, no cast iron.

Control panel Riello tech-prime ACS. Work includes all electrical connections.

2 steps burner Gulliver BS3D. Thermal power 65-189 KW.

Methane gas ramp, MB 407/2 – F3SD 20, complete of Gas filter, minimum Gas pressure switch, Safety VIC valve and any other equipment necessary to satisfy the current Italian law.

New 3ea expansion tanks 24 Lt.

New 1ea expansion tanks 105 Lt.

New air bleeders.

Replacement of flow and pressure switches.

Installation of temperature and pressure gauges Heavy type, Magni or equal approved, on supply and return pipelines for each boiler.

Modification of chimney connection as required by new boilers.

The first start shall be performed by an authorized manufacture technician.

Furnishing of 2ea copies of manual and schematics.

Disposal as per Italian law.

31CES/CENM 5

e. New hot water storage tanks (2ea).

• Capacity 2000 Lt. each.

• Type Riello 7200/3F – 2000HV Plus or equal approved.

• Internal wall protected with vitrified treatment.

• Polyurethane insulation 10 cm thick with PVC external cover.

• Complete of 2ea sacrificial magnesium anode plus 2 each as spare part.

• 3ea flanged shell & tube heat exchanger, made of stainless steel. Exchange surface 4.0 SqMt ea.

• Parallel connection of the 3ea exchanger.

• Each exchanger must have 2ea ball valves, heavy type, PN50.

• Inlet, outlet and any other ball valve must be heavy duty PN50.

• Temperature gauges.

L.S.

f. Pipeline, valves, pressure and temperature gauges .

• All valves must be heavy duty, total passage, PN50.

• Pipeline made of black steel material, 2 coats of anti-rust enamel.

• Pipe insulation made of closed cell black foam, 25 mm thick covered with aluminum sheet as existing.

• New Pressure and Temperature gauges, stainless steel made, certified according EN 837-1 and EN

13190, Protection degree IP65 for outdoor and indoor.

g. New Main Electric Distribution Panel in Boiler rm.

• Removal and disposal of existing panel.

• New electric panel, metal case, transparent door.

• Complete of indicator lights for presence of voltage.

• Surge protection devices according CEI EN 62305, lightning risk analysis.

• New external emergency breaker as required by current norms.

• New circuit breakers and ground protection devices coordination.

• The panel shall have the same configuration as existing.

• Contractor shall submit installation plan, schematics and technical data for approval before installation.

• Work includes re-connection of existing apparatus.

• Schematics and certifications in accordance with applicable norms.

h. New Air Treatment Unit (ATU) on the roof.

• Remove damaged parts of bituminous membrane under and around old ATU area, primer and new bituminous membrane ardesiata; create adequate supports for the new ATU.

• This item includes all kind of electrical and civil work assistance to perform the work in a workmanlike manner and have the ATU fully operational.

• New ATU shall have the following characteristics:

- For outdoor installation.

31CES/CENM 6

- Anti-freezing safety device.

- Eurovent certified.

- Fresh-air only, no recirculating.

- Main frame made of aluminum.

- Panels, external galvanized pre-painted, internal galvanized, polyurethane insulation 40Kg/Mcu, 48 mm Thick.

- Stainless steel condense basin.

- Adjustable, manual aluminum damper for ext. air duct with anti-bird mesh and metal curved duct to protect from rain.

- Washable filter, efficiency G4.

- Air flow capacity 9000 Cu.Mt/hr

- Heating coil 75 Kw, exchange surface 46 Sq.Mt, complete of 3way valve and digital actuator.

- Cooling coil 75 Kw, exchange surface 106 Sq.Mt, complete of 3way valve and digital actuator.

- Circulating pump on the cooling circuit to help circulation, 3speed, designed for cooled water. Capacity and head calculated as per manufacture technical data.

- Ventilation unit Type “PLUG-FAN” with digital control 0-10 for variable speed;

speed Controls will be installed inside boiler room.

- 2ea Digital thermometer controls for 3way valve (cooling and heating coils) to be installed in the kitchen area.

- New main electrical feeding line of adequate size, replacement of main thermal-magnetic switch with one suitable for “Plug-Fan” motor.

- All Ball valves heavy duty PN50.

- All pipe insulation inside and outside ATU must be 25 mm thick, including 6/10 aluminum cover as existing.

31CES/CENM 7

31CES/CENM 8

BOILER ROOM LOCATION MAP

31CES/CENM 9

3.2 Bldg 1478 Upgrade DDC at Base Theatre & Post Office.

Note:

- Existing DDC is made by Honeywell. The project requires to upgrade/ optimize the hardware and the software of the DDC with same manufacture. (see 2ea attached PDF file):

- Scope of this work item is to obtain the latest version of Honeywell DDC system. Attached

“1478 MBF & P.O. Honeywell” document is an integrant part of the Technical Specification.

- UFGS 23 09 23.13 20 BACnet DDC System for HVAC as reference manual.

a. The new DDC will use BACnet Communication Protocol:

• Disconnect and removal of existing controllers and associated wiring.

• Maintain existing communication bus, field sensors and motorized actuators.

• Replacement of 4 each field sensors and 4ea motorized actuators where necessary.

• Electrical support to re-wire the DDC. to install dedicated feeding line and 220V outlets, to install a local communication LAN between controllers and supervision unit and for every other activity required to perform a job in a workmanlike manner and to have a DDC fully updated and operational

• New DDC system must have 2ea separate PC (Lap-top); 1ea for MBF and 1ea for Post Office;

furnish 1ea additional metal enclosure for the Post Office.

• At completion of works, DDC technician shall furnish 8 hrs of training in English to our Base Personnel, including manuals, records of set-points, certifications and warranty documentation.

b. Surge Protection devices (SPD).

Note: see attached reference Manual UFGS 23 09 23.13 20 BACnet DDC System for HVAC, Para 2.4.2, Surge and Transient Protection

• Furnishing and installation of SPD type 1, 2 and 3, type “DEHN Red Line” or equal approved.

• SPD shall protect each digital controllers, (Main and Slaves) from transient overvoltage coming from feeding line or for inductive over voltage internally generated.

• Reference Norms CEI EN 61643-11:2014, CEI EN 61643-21:2012-07.

• Contractor shall submit technical data for approval of each SPD device.

3.3 Bldg 1204 Heavy Drop facility.

Note: all mechanical works include the update of existing Honeywell DDC system recently installed.

a. Removals and civil works.

• Removal of existing DX A/C unit and Split Unit, associated parts, disposal as per Italian laws.

• Removal of existing copper lines feeding the ATU and Split-unit, including DX coil, disposal as per Italian laws.

• Remove completely existing water treatment unit and water softener unit.

• Work includes any masonry/electrical works assistance to create passage through the walls to install the new pipeline.

• Remove the existing stainless steel chimney not in use.

31CES/CENM 10

b. New chiller unit.

• Furnishing and installation of 1ea chiller unit, cooling only:

• Cooling capacity 21 KW;

• Type Carrier Aquasnap 30RB-021CH or equal approved.

• Eurovent certified.

• Complete of hydronic module; Pump head calculated for the new circuit.

• 2ea drain ball valve.

• Cooled water storage tank, hot zinc coating, pre-insulated, capacity 100 Lt, for outdoor installation, connected in serial to return line, complete of thermometer for outdoor use, valves, drain valve.

• All ball valves must be heavy duty PN50.

• The first start shall be made by authorized manufacture technician.

• Furnishing of 3ea copies of manual, schematics and installation plan for items installed.

• New electrical feeding line from MDP including adequate thermal-magnetic switch.

• Add glycol (25%) on cooling circuit, approximate quantity 75 Lt.

c. Modification of existing Air Handling Unit (AHU1) with new cooled water coil

• Replacement of existing DX coil with new refrigerated water coil.

• Cooling capacity (KW) sized considering the new chiller and flow rate of the AHU1.

• Digital 3way valve and actuators; work includes new wiring, field sensor and any other works required by the DDC technician.

• Heavy duty pressure gauges and thermometers on supply and return line.

• Intercepting ball valves.

• Replace filters and motor belt, general cleaning of internal parts including existing heating coil.

• Repair existing pipe insulation.

• Check the functioning of existing 3ea VAV mechanism including existing digital room controller.

• Clean 7each diffusers and return grids on suspended ceiling.

• Upgrade/modify “Atix-Honeywell’ DDC including graphic interface.

d. New piping system .

• New piping system can be made of copper, stainless steel or plastic material suitable for refrigerated water.

• External pipeline, same diameter of chiller connections insulated with black elastomeric, closed cell foam, 19 mm thick; Aluminum cover 0.6 mm thick; indoor insulation covered with gray PVC.

• Install Air bleeders on the new pipelines.

• Install Automatic make-up water with by-pass.

• Replace existing expansion vessel, 80 Lt capacity

31CES/CENM 11

e Replacement of existing Split unit in COMM room

• Primary Manufacture, type “Samsung, Daikin, Panasonic, or equal approved

• Only cooling, capacity 3 KW.

• It shall include an inverter.

• Efficiency class A+

• Drainage on existing pipeline (no condense pump).

• Designed for winter operation (-15Cdeg).

• New electrical feeding line with appropriated thermal-magnetic switch.

• Work includes all necessary civil works to perform a job in a workmanlike manner

f. Replacement of existing water softener in boiler room

• Nominal capacity 2.8 Cu.Mt/hr

• Peak capacity 3.5 Cu.Mt/hr.

• Resin volume 70 Lt.

• Cycling capacity 420 Fr/Cu.Mt.

• Volumetric Type, with the possibility to regenerate every 96 hrs.

• Primary Manufacture, type “Chillichemie, Nalco, Raema, Linsday Orobica.

• Contractor must follow the installation instruction of the manufacture.

• The first start shall be made by authorized Manufacture technician and 2hrs of training in English language.

4. GENERAL NOTES

1. At the end of the work, for warranty call purpose the Contractor shall provide the Government 3 copies of letter identifying project number, item, company address, phone number, point of contact, item warranty expiration date and any additional information pertanent to the contract.

2. Once issued NTP, Contractor is required to contact CEIAR (0434-305691) and schedule a meeting to fill

Form DD1354 with appropriate project data for real property capitalization (DD1354 and category codes list CATCODE_LIST_2010 are available in engineering office during normal hours of operation). Contractor is required to provide final Form DD1354 for 31CES/CEI signature before contract close out.

3. Three set of AS BUILT drawings signed and stamped by qualified engineer (selected by C.O. from a list of three candidates submitted by the Contractor) 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;

4. Three set of use, maintenance, repair and safety manuals of the equipment both hard copy and digital format in both English and Italian.

5. Declaration of Conformity IAW DM 37/08 and DM 3/8/2015. Contractor will submit three (3) copies of “Declaration of Conformity” for Installed Systems signed with wet ink signatures IAW DM 37/08 for indoor systems (and eventually to L.186/68 for any other), wet signed by the Contractor.

5. ATTACHMENTS

1478 MBF & P.O. Honeywell ASHE 16-1030 Material Submittal Schedule.

31CES/CENM 12

UFGS BACnet 2015