Annex A Technical Specification for

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03 - 9711296: פקס 9750581-03 ,03 - 9750587: טלפון – 7015001גוריון - , נמל התעופה הבינ"ל בן7: ת"ד תובתכ Address: P.O.Box 7, Ben-Gurion International Airport 7015001, Phone: 972 3 9750587, Fax: 972 3 9711296

Annex A

Technical Specification for

A self-contained mobile (DX) Aircraft air-conditioning UNIT

Table of Contents 1. General requirements ........................................................................... 2 2. Scope of works ........................................................................... 2 3. Terms and Conditions ........................................................................... 3 4. PCA units ........................................................................... 5 5. Commissioning, training and spare parts ....................................................... 10 6. Bill of Quantities ......................................................................... 11

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1. General requirements 1.1 IAA intends to buy several mobile self-contained air plane air-condition

units trailers, powered by dependable diesel engine.

2. Scope of works

2.1 Design, manufacture and supply of complete self-contained PCA mobile

trailer units for E type airplanes.

2.2 The complete design of the complete unit will be presented and approved

by the IAA.

2.3 The scope of work will include a unit to suit the following airplanes:

Narrow body air planes

Wide body air planes

Jumbo air planes

2.4 Unit to be mounted on an integrated trailer and powered by a diesel

engine, direct driven or separated power pack (generator set).

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3. Terms and Conditions 3.1 This Specification represents the basis for all the technical requirements

with regard to the units and all other operations and accessories that the

Supplier must deliver, provide and perform.

3.2 The scope of the supply will include everything necessary for complete,

full, and satisfactory functioning of the installed units, in accordance with

the defined standard of functioning that is appropriate for it, even if some

specific item has not been explicitly mentioned in the Specification.

3.3 Before submitting the proposal, the supplier must study all the details and

the requirements with regard to the aforementioned supply, must examine

the existing conditions and must ensure to obtain all the details regarding

the required equipment.

3.4 Together with the price proposal, the supplier will submit a list of

manufacturers, sub-suppliers and suppliers of the equipment on which the

proposal is based, accompanied by catalogs specifying characteristics,

technical data, performance curves and other similar information. The

catalogs and other documentation must be either the original, or

alternatively, a photocopy of extremely high quality.

3.5 All the materials equipment and works that will be supplied by the supplier

at this facility must conform to the stipulations of this Specification and

they must be new, of excellent quality and suitable for their purpose. All

the materials equipment and works must meet the requirements of the

tender and standards.

3.6 The supplier shall allow the IAA personal and the consulting Engineers to

check his equipment, the materials and the performance level at the

various stages of work, and if necessary, will provide the consulting

Engineers with all the means for performing the check, at no additional

charge.

3.7 Should the consulting engineer reject materials or products of any kind,

either because they did not meet these specifications, the supplier must

remove them from site within the period of time specified in the Engineer's

instructions.

3.8 Should the Engineer reject any part of the work performed whatsoever,

either due to the use of inadequate materials or due to poor workmanship,

or for any other reasons, the supplier will perform that portion of work

anew, in accordance with the guidelines he will receive from the Engineer.

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3.9 In all the instances where the body of the respective paragraph contains

the phrase "or equivalent", the supplier is allowed to propose suitable

substitutes. The Engineer shall be willing to authorize them, provided that

the substitute is indeed "equivalent" and/or there is justification for this on

cost grounds or for other reasons. If the supplier does not have the

possibility to propose a substitute, as previously mentioned, or if he does

not propose a substitute even if this is allowed, he must utilize the material

required, as indicated in the Specification.

3.10 No more than month after issuance of the order, the supplier shall submit

for approval to the engineer, the Specifications and data of the materials

and accessories which he intends to utilize in the course of his work.

3.11 Approval of the equipment and the materials specification by the Engineer

and/or inspector does not release the manufacturer from full responsibility

for the choice of appropriate material/equipment.

3.12 Approval of the materials equipment and works is an indivisible part of the

supply and comprises a fundamental condition for its approval.

3.13 In the event that the Works were performed not in accordance with the

technical specifications, the IAA reserves the right to demand any change

or addition that may be required, even after the installation of the

equipment and materials.

3.14 Final design will be a complete detailed engineering approved by the

consulting engineer.

3.15 Any item manufactured or supplied without having formal approval of the

IAA might be requested to be changed with no extra cost and without any

delay in delivery time.

3.16 Price of contract covers complete systems: Designed, manufactured,

tested and commissioned. The delivery includes everything which is

needed for the full and excellent functioning of the system, except for the

items which are specifically excluded.

3.17 There will be no additional payments for items added in order to enable

the functioning of the system, even if not implicitly mentioned.

3.18 If the work demands special requirements with regard to the systems

which are connected to it, these requirements must be explicitly stated in

an appendix to the proposal. In the absence of such requirements, no

claims of any non- conformity whatsoever shall be accepted.

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4. PCA units

4.1. The supplier shall design, manufacture and supply a mobile self-contained

Direct expansion air-cooled aircraft pre conditioned air unit ("the PCA

unit"). The PCA unit will be “50Hz” design (if applicable) and of sufficient

capacity to satisfy the cabin conditions at the design ambient conditions

for the aircraft mentioned. Each unit shall consist of direct expansion

circuits including compressors, expansion valves, dry filter, evaporators,

condensers, together with blower and inlet filter, outlet plenum section,

and controls and safety devices, delivery hose insulated 22m' length,

aircraft couplings and diesel engine and generator set (if applicable),

completely packaged in a single weatherproof unit, mounted on multi-

functional trailer. The supplier can offer direct driven unit or separated

energy pack. The unit offered shall be designed to provide sufficient

cooling for the following aircraft:

Aircraft Type at Gate

Cat. E (D, C comply) 1 x unit for narrow body, wide body or 747/777

4.2. Ambient and cabin temperature specifications:

Design (ambient)

conditions Cabin conditions at design conditions:

Summer 35°C at a relative humidity of: 62% Max - 42°C

with full occupancy: 22° C Full solar and Electrical loads

Winter 5°C at relative humidity of 90%

no crew, no passengers: 18° C

Unit to include min 2-3 outlets, final connection "8.

Cabin condition to be satisfied with one cabin door open.

Temperature conditions to be satisfied and stabilized at no more than 20

Minutes, upon startup.

No Heating elements are needed.

Min. Capacity 110 Tr at design conditions.

Fuel Capacity no less than 168 Gal or Min Running Time without fuel filling

- 8 hours.

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Min. Generator set 320KW, 400V 3phase 50 hertz (if applicable).

Motor made by Cummins, Iveco or equal.

The engine complies with USA EPA Emission Standard, CFR 40.

Min. fan static pressure 40".

Unit shall continue to work at max. ambient condition (at lower capacity).

Unit shall include hose storage system.

4.3. trailer construction

Unit to be mounted on an integrated trailer and powered by a robust diesel

engine and generator set(if applicable), Surge Brake and hand operated

parking Brake, hose storage compartment, Leaf-Spring Suspension and

Running Gear with Pneumatic Tires and fifth Wheel Front Steer Axle.

4.4. unit construction

The unit is totally encased in a steel housing (from 1.5 mm of thickness,

galvanized and painted steel plates or powder coated steel) with rigid

frame (3mm of thickness, cold-rolled, galvanized and painted steel plate or

powder coated steel), or equivalent aluminum casing, free of vibration

transmission and installed with vibration isolators where necessary. The

materiel used is according to the EN 10 142 European regulations.

The main housing contains, in addition to the electrical cabinet, the VFD (if

applicable, non-direct drive), the blower, cooling coils, the condensate

drain pan, the outlet plenum, air filters, the condensate pump and safety

devices required for safe, unattended continuous operation. The unit

construction is of a material sufficient to provide adequate structural

rigidity of frame and enclosure, of a non-corroding material, and provided

with thermal insulation for conditions encountered in normal usage,

Double skin design is preferable. The equipment exterior and interior is

primed and painted in quality assuring a life of 15 years against external

agents. The equipment interior is manufactured to the highest standards.

Hinged access doors and panels are provided for inspection and access to

internal parts including motor, blower, damper, heaters, compressors, and

cooling coils.

4.5. Unit power /electrical panel

Electric switchboard to include automatic power circuit breakers (ACB),

control power transformer(s), motor starters including the VFD for the

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blower motor. The electrical cabinet section shall be integral with the unit

main housing and accessible from outside the unit. Electrical panel for

direct drive units will have adequate electric panel to control the units.

4.6. Blower and blower motor

The blower is of the centrifugal, high pressure type and sized for the

appropriate variable volume airflow requirements at 3600 rpm max. The

blower size is selected so that the fan brake horsepower does not exceed

the maximum required when considering the design operating range of the

unit at the total static pressure. The blower is statically and dynamically

balanced and designed for continuous operation at the maximum rated fan

speed and horsepower. Fan as Comfri, Nicotra or equal made in USA or

Europe.

The blower motor (if applicable) to be high-efficiency type (min. IE3) of

standard frame sized for the unit, with permanently lubricated bearings or

sealed re-lube able bearing. The motor is accessible for inspection or

replacement from outside the unit via an access panel. Motor as Siemens

or ABB or equal.

4.7. Condenser coils to be no more than 14 fins per inch spacing. Coils to

coated with Blygold or equal anti-corrosion coating.

4.8. Compressors and related components

Compressors are serviceable, hermetic “scroll type” or screw type with

integral vibration isolators. Safety Controls: Low pressure cutout; high

pressure cutout; compressor motor overload, manual reset, anti-recycling

timer, adjustable low-ambient lockout, compressor over-temperature

safety module. Inverter compressor type shall be considered as an

advantage (see temperature stability requirements). Brands : Danfoss,

Bitzer, trane, Frick or equal made in USA or Europe.

4.9. Refrigerant selection

R 410a or R134A

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4.10. Air filters

1 stages of air filtering are will be installed:

Metal mesh Pre-filter class G2 (CEN EN 779) (EUROVENT EU2),

Pressostats are installed for each stage of filtration monitoring dirty filters.

4.11. Noise level

The maximum sound level for the PCA unit at maximum operating

condition does not exceed 98 dBA at a distance of 5 meter from the unit.

4.12. Control

The unit Control equipment shall be a Microprocessor electronic control

(PLC) including display. The control system shall automatically modulate

the flow and temperature of the air leaving the unit. The outlet air is to

provide ventilation only or adequate cooling for the selected aircraft (“Cat.

C”, “Cat. D", "Cat. E”). The mass flow and discharge temperature are to be

controlled depending on the ambient temperature and the cabin

temperature (measured by the cabin sensor).

4.13. Unit Control management

The unit will have main control panel in the unit.

The unit control shall provide the following information as a minimum:

Logical Data:

Date, time of fault,

Unit on/off

General Alarm,

Emergency Stop,

Compressor protection fault

Low Pressure Pressostat status on each circuit

High Pressure Pressostat status on each circuit

Defrost Pressostat status on circuits

Internal blower fault,

Smoke detector alarm,

Dirty filter alarm,

Power supply available,

Analogical Data:

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Internal blower speed (% VFD),

Cabin temperature,

Discharge temperature,

Ambient temperature,

Running time of each circuit

Alarms and fault conditions will be logged by the controller (minimum the

last 10 events).

All diesel operating values and alarms including oil, temperatures, fuel,

etc.

4.14. Unit factory acceptance tests (FAT):

Each functional assembly shall be inspected and tested at the factory prior

to shipment. Complete test reports and test procedures could be

requested for each job. Test shall be at nominal condition (ambient, full

load required flow, etc). The units shall be tested with the client

representatives present (witness test). Success of test (complying with all

spec requirements) is compulsory and shall be pre condition for the supply

of the units and contract payments.

4.15. Site acceptance tests (SAT):

The complete unit shall be tested on site, verifying compliance for spec

requirements, mainly cooling category E air planes. Success of test

(complying with all spec requirements) is compulsory and shall be pre

condition for contract payments.

4.16. Codes and standards compliance:

Unit shall be manufactured in accordance with codes and standards as

applicable in Israel (mainly Israel electrical codes),

All materials used (such as frame, finishing coating etc) shall be comply

with EN 10 142 or equivalent American standard.

Copper tube shall be comply with NF A 51-122,ASTM B68 and B743, DIN

1754 an 17671 specifications,

Directives: 98/37/CE “Machine Safety”, 89/336/CE “Electromagnetic

Compatibility”, 73/23/CE “Low voltage”, 97/23/CE “Pressure Equipment”,

Meet all applicable European and IATA AHM 973 and 974 standards.

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4.17. Submittals:

The supplier is to submit the following:

* A data sheet or description providing full and detailed information on

the units offered depicting general construction, main components, size,

weight, dimensions and electrical requirements

* A set of calculations demonstrating for each aircraft type to be served,

that the cabin conditions will be met at the design conditions including

detailed heat load calculations at different load conditions.

* At the max ambient design condition, the supplier is to state: a) the

cabin temperature to be expected and b) at which ambient temperature

the cabin temperature still can be met.

5. Commissioning, training and spare parts

5.1. Commissioning and training should be provided by the supplier, using the

complete maintenance and operating manuals shall be provided to the

attendees.

5.2. Training aims at operating and maintenance personnel for basic operation,

preventative maintenance, adjustments, and initial fault response.

Handlers and Airport Maintenance Engineers shall be part of this

important session. The supplier shall provide also additional training

courses dealing detailed maintenance of the controls and overall system

troubleshooting and re-alignment. The contractor will qualify the IAA team

to be able to train others (train the trainer program). The training course

should cover all aspects of the equipment, provide needed training

documentation and last at least 30 academic hours.

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6. Bill of Quantities General Remarks to the Document of Quantities

a) The prices per unit shall include all required for the completion of the work

as described in the specification, in the drawings and in the work contract.

The proposed unit price will be the price of the completed work, when it is

ready to be delivered and set into operation.

b) The unit prices shall be considered as including the following:

1. All the materials and their depreciation, including the costs of their testing.

2. All the work needed for the performance, in accordance with the conditions of the specification and of the contract.

3. The use of equipment, tools, instruments, machinery, ladders, scaffolding, etc.

4. All the protective means required by work safety.

5. Transportation of all the materials, products, equipment, tools, etc., as their loading and unloading to the site and in the site.

6. Storage of the materials, products, tools, machinery and guarding them, as well as protecting and guarding the work that has been performed.

7. Social expenses, insurance costs, purchase tax, customs release expenses, excise duties, customs duties, and other taxes.

8. Costs of work management, surveying and office expenses.

9. Insurance of the work, of the workers, third party, against the influence of weather, the work of other suppliers, etc.

10. Warranty of 24 months as of Final Acceptance.

11. Costs of sea/air/land, freight that will be necessary.

12. Supplier's profit.

c) The IAA retains the right to reduce or increase the scope of the work,

without entailing an increase of the unit price as detailed in the supplier's

proposal.

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Appendix A – Table to be filled out by the respondent

Data to be Filled out by the respondent

Data requested from the Respondent

ComplianceYes/no

Mandatory Requirement

Description Par. No.

Model of suggested unit (-) Model of suggested unit (-) unit weight kg (-) Weight (-) Overall height mm (-) Overall height (-) Overall length mm (-) Overall length (-). Overall width mm (-) Overall width (-). Unit construction 4.4 Yes Unit drawings, access doors 4.4 Unit Power 4.4 yes Compressor type and

manufacturer 4.8

yes Refrigerant type 4.9 yes Air filters 4.10 yes Noise level 4.11 yes Control 4.13 yes Factory testing 4.14 yes Commissioning and training 4.16 yes Codes and standard compliance 4.15 yes Submittals 4.16

Bidders should note that the Proposals of Bidders who do not fully comply with all Mandatory Requirements shall be disqualified.

Documents

Annex A Technical Specification for