ASHE 20-1069 Add 1.pdf

Project ASHE 20-1069 Add #1 Technical Specifications

DATE: MAY 2022

31CES/CENM 1

U.S. AIR FORCE

31ST FIGHTER WING

31ST CES/CENM

AVIANO AIR BASE, ITALY

TECHNICAL SPECIFICATIONS FOR

ASHE 20-1069 REPLACE AIRFIELD LIGHTS, AREA F

AVIANO AB, ITALY

ADDENDUM #1

31CES/CENM 2

Change to read the description of the following Items:

4.2.b Furnishing and installation of a total of 116 light runway and overrun lights, as follow:

• 16 - Elevated one side green/ one side red THRESHOLD LIGHT, type ADB SGEEL-

EAH.1211 or equivalent approved;

• 20 – Semi-flush one side green/ one side red THRESHOLD, type ADB SGEEL-

EAH.12v or equivalent approved;

• 4 – Elevated (Omnidirectional) Red Termination, type ADB SGEEL-EAH.12118 or equivalent approved;

• 40 – Semi-flush Double White Approach Lights (Uni-directional), ), type ADB FAP or equivalent approved;

• 12 – Semi-flush Double Red termination Light (Uni-directional), ), type ADB FEN or equivalent approved;

• 24 - Semi-Flush Double Green THRESHOLD (Uni-directional), type ADB FTH-1-

200,or equivalent approved.

Item also includes:

• 116 105W/6.6A halogen lamp type - long life 1000h;

• Insulation transformer ADB type KR600 series, or equivalent approved, properly sized

(116 pcs);

• 1 Primary connector Kit PRKU1 (125 pcs);

• 6kV cables 1x6 mm2, single conductor, XLPE insulated, non-shielded, according to the

FAA AC 150/5345-7E (L-824 Type C) Specification, ETL and CE certified. The 6kV cables will run in the existing cable duct (Approx. 1 km);

Connection distance shall consider a solid cable from the previous fixture to the following one. Any unnecessary connection/junction in the electrical circuit shall be avoided;

• Secondary connectors ADB type SCK2PT200000, or equivalent approved (250 pcs);

• Removal all existing 116 fixture parts from the system;

• Disconnection and removal of the insulation transformers;

• Removal of the existing electrical MV cables of the local series circuits between each two consecutives fixtures;

• Transportation and storage of materials to be reused to storage area or disposed IAW

Italian Law, as directed by the Contracting Officer’s Technical Representative;

• Manpower, tools accessories and every other necessary item to provide a job in a workmanlike manner.

Lights shall be installed in the same position of the existing.

Some of the light bases have to be replaced IAW and within the given amount of Par. 4.3.b

Lump Sum

4.3.b Furnishing and installation galvanized 12” light bases, 24” depth, recessed type, complete with gasket FAA approved, certified for application subjected to aircraft and other heavy vehicular loads certified IAW FAA L868, type ADB 868B24 xH1PA, or equal approved, included mounting accessories.

Light bases shall be installed in order to have the fixture properly in-set flush mounted.

31CES/CENM 3

The identification of the items to be replaced, or newly installed, must be determined at the time of the construction phase, as directed by the Contracting Officer’s Technical Representative.

Item shall also include:

• Compliance to L-867 & L-868 AC 150/5345-42 (Current Edition);

• Any mounting accessories as per manufacture’s installation manual;

• The removal and disposal IAW the Italian codes of the existing light base to be relocated, the filling in layers of the holes and the compaction to the maximum density and the leveling and repair of the surfaces. Only when unused bases are necessary to be re-used to allow change path of the conduit, they shall be simply closed with solid removable cover and that neither removal/disposal nor returning the site to the condition that existed prior to the installation of the old fixture/base will be necessary;

• New 2 Way cable duct for the HV cables from the closer hand holes of the existing primary circuit cable, approx. 2m. The cable duct shall be realized with a heavy rigid 63 mm diameter PVC pipes, thickness of the pipe walls 4.5 mm, covered with C20/25 Class concrete;

• Coring;

• Cut and removal of pavements and sidewalks.

• The excavation of soil of any kind and consistence, including rock, with mechanical means, 70 cm width trench and various depths for the installation of the cable duct in compatible manner with the existing utilities. The average depth of the trench shall be 90 cm;

• The leveling and the compaction of the bottom of the trench and the addition of necessary excavation for the construction of the manholes;

• The installation of warning red PVC tape with the writing “HV CABLES”;

• The filling in layers of the trenches and the compaction to the maximum density;

• The leveling and repair of the surfaces;

• The transportation to the authorized public dump of the surplus excavated material, including the dump fees;

• Supply and install approx. 52 m of 6kV cable, single conductor, XLPE insulated, non-shielded, according to the FAA AC 150/5345-7E (L-824 Type C) Specification, ETL and CE certified. The 6kV cables will run in the new 2 Way cable duct.

Connection distance shall consider a solid cable from the previous fixture to the following one. Any unnecessary connection/junction in the electrical circuit shall be avoided;

• Heat Shrink Kit type ADB 71A00088-U, or equal approved;

• Primary connectors kit type ADB PRKU1, or equal approved;

• The equipotential connections of the metallic masses, including the cover and the reinforcement bars, with N07V-K cable, complete of terminals, anchoring for the drawing of the cables and necessary accessories for the proper installation and service.

• Manpower, tools accessories and every other necessary item to provide a job in a workmanlike manner.

EA 48