fiber optic infrastructure & site civil works v-2

Fiber OpticFiber Optic Infrastructure & SiteInfrastructure & Site

Civil worksCivil works

Delivery, Installation, Testing andDelivery, Installation, Testing and Commissioning Of an NG-SDHCommissioning Of an NG-SDH

Metropolitan & WIMAX NetworksMetropolitan & WIMAX Networks

For ZambiaFor Zambia Telecommunication CompanyTelecommunication Company

LimitedLimited

Tender No. TB/ORD/005/07Tender No. TB/ORD/005/07

[email protected] www.nextcomgroup.com NEXTCOM LTD

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http://www.nextcomgroup.com/

mailto:[email protected]

May –May – 20072007

Content

Paragraph Page

1. Infrastructure work...………………………………………………………….…4

2. Nextcom's knowledge and experience in the field of implement underground fiber optic networks……………………………………………..4

3. Nextcom's knowledge and experience in the field of implements communication sites…....………………………...….…………7

4. The main points of the technical specifications...………………..………….. .7

5. The main points of the specification of the equipment that will be supplied within the framework of the project…………………….………….…8

6. Testing (ATP) and documentation of the project……………………..……...14


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Appendixes

Appendix A - Superior Company’s profile and Letter of Authorization.

Appendix B - Specification of optic cable.

Appendix C - Palad Company’s profile.

Appendix D - Specification of the HDPE piping.

Appendix E - Profile of the Tyco Company.

Appendix F - Specification of the optic closures.

Appendix G - Specification of the patch panel, adaptors and connectors.

Appendix H - Generators.

Appendix I - DC power supply and back up battery.

Appendix J - Air condition.

Appendix K - Tests instruments.

Appendix L - Example of the As Made map of the underground network

Appendix M - Sample of the method of documentation of the optic tests..


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1. Infrastructure Works:

1.1. In this chapter we will consecrate in the all of the infrastructure works.

Enclosed breakdown of equipment and infrastructure works that will be

specified in this chapter:

1.1.1. Fiber optic infrastructure implementation:

1.1.2. Supply of - Sub Duct HDPE, Fiber optic cables, Closures, Fiber

optic patch panels, Fiber optics connectors Etc.

1.1.3. Works – threading the duct and the fiber cable, spliced the optical

fiber, install the closures and the patch panels, measurement.

1.1.4. Supply and installation of air conditioners

1.1.5. Supply and installation of air Generators.

1.1.6. Supply and installation of DC systems.

1.1.7. Supply and installation of Back up battery.

1.1.8. Supply the equipments and the tests Instruments.

2. Nextcom's knowledge and experience in the field of implement underground fiber Optics networks:

2.1. The Nextcom Company began its operations in the year 1992 in the building

of underground infrastructures. The field of underground infrastructures in the

group is the traditional field in which we started our operations, a field in which

we have been working for 16 years.


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2.2. The variety of the projects in the field, the size of the projects, their

complexity and their size turned the Nextcom Company into the leading

company in Israel in the field of building underground infrastructures in

general and optic fiber infrastructures in particular.

2.3. Over the years Nextcom has carried out tens of large and complex fiber

infrastructure projects using the Turn Key method which included, amongst

others, the following activities:

2.3.1. Managing the project and taking responsibility for all the stages of the

project.

2.3.2. Characterizing the optimal solution required to implement the

requirements of the client and the project.

2.3.3. Preparing the work specifications for the project that including

amongst others – specifications of the excavation, specifications of

the electronics and electricity collects and cupboards, specification of

the fibers connection, specifications of the equipment (infrastructure

and optic, including specifications of the fibers), specification of the

documentation, etc.

2.4. Over the years Nextcom has carried out many tens of underground

infrastructure projects. Up until now Nextcom has carried out approximately

4,000 kilometers of underground fiber infrastructures for most of the

communication companies in Israel as well and most of the security and

institutional bodies in Israel. The following projects may be numbered

amongst the most recent projects that we have carried out:

2.5. Nextcom has experience of 10 years in the field of building optic fibers

infrastructures (connecting the fibers). The work of building fiber

infrastructures began as a completion activity to the work of building

underground infrastructures, with the growing demand for imbedding fibers in

the ground and with the need that came from the clients, to supply them with


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a complete solution from end to end including carrying out the optic

connection.

2.6. Nextcom has an assigned department (optic department) which only works in

the field of connecting the fiber networks, through which the group carries out

large and complex fiber projects for all the communication companies,

institutional bodies, and security bodies in the Israeli economy.

2.7. Within the framework of the optic department Nextcom carries out Turn Key

projects in the field of building fibers networks. These projects include all the

work stages required to build fibers networks including:

2.7.1. Characterization of the client's requirements and determining the

equipment required to implement the optic project including: types of

fibers, type of optic cable, types of closers, types of routing boards,

types of connectors, etc.

2.7.2. Carrying out the optic planning for the project while taking into

account the attenuation required, topological planning of the network,

efficient dispersion of the fibers and connections, the process of the

cables, etc., and issuing an optic plan of the system.

2.7.3. Carrying out the optic work, welding the fibers using designated

welding machines.

2.7.4. Carrying out checks of the optic network using OTDR and Power

Meter.

2.7.5. Documenting the optic network.

2.7.6. 24/7/365 maintenance of the optic networks using patrol vehicles

which are equipped to handle optic problems.


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2.8. All of Nextcom's optic work is carried using in-house abilities, in Nextcom's

optic department, using the company's employees and equipment that it

owns.

2.9. Over the years Nextcom has carried out approximately 500,000 optic splices

closers and distribution cupboards for all the industry in Israel.

3. Nextcom's knowledge and experience in the field of implements Communication Sits:

4. The main points of the technical specification:

4.1. Hereunder are the main points of the technical specification for implements the

fiber optic and sits civil works:

4.1.1. The optic cable that will be threaded between the main

communication sites (STM-64) would have 48 fibers according to the

tender’s specifications.

4.1.2. The optic cable that will be threaded between the main

communication sites and the secondary ones (STM-4) would have 8

fibers according to the tender’s specifications.

4.1.3. The optic cable that will be threaded in side the HDPE pipes

40mm/32mm that will be threaded in Zamtel’s PVC piping which will

designate for the matter.

4.1.4. Any place there is no underground alignment and digging is

necessary, the responsibility of the digging will be Zamtel’s.

4.1.5. The closures that will be installed in the manhole willd be 3 Km apart

from each other, will be water and dust proof according to the


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tender’s specifications.

4.1.6. Every optic cable will be installed on a designated patch panel that

will be installed in a 19” cabinet. A 48 fibers cable will be installed on

a 48 fibers patch panel. An 8 fibers cable will be installed on a 12

fibers patch panel. Every patch panel will be supplied with suiting

trays, patch cords and adaptors.

4.1.7. In any site an air condition has to be installed due to temperature

problems, one will be installed according to the client’s specifications.

4.1.8. In every main site a DC system will be installed that will convert the

AC voltage to a DC 48V voltage and will supply the energy

consumption to the SDH and WIMAX systems.

4.1.9. At every main site a accumulator system with 4 hours backing will be

installed.

4.1.10. Any place the client demands to install an emergency generator, one

will be installed that will supply the necessary energy for proper

function of the SDH and WIMAX systems.

5. The main points of the specification of the equipment that will be supplied within the framework of the project:

5.1. Following is the specification of the types of equipment and the specifications

of the main equipment that will be supplied and installed within the framework

of the project:

5.1.1. Optic cable:

5.1.1.1. The optic cable that will be supplied within the framework of the project will be optic cable of the Synergy Cable Company.


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5.1.1.2. The Synergy Cable Company has been manufacturing cables for 50 years while specializing in the manufacture of copper and optic cables. The profile and Authorization of the Synergy Cable Company can be found in Appendix A.

5.1.1.3. The cable that is offered is a cable that meets all the requirements of the specification and all the standards required for the manufacture of optic cables. In the initial offer by direct burying.

5.1.1.4. The cable is of the Loose Tube type filled with gel. The cable model is LDB-9-04x-12-D-ZPRP-GX. Specification of the cable can be found in Appendix B.

5.1.2. HDPE piping:

5.1.2.1. The HDPE piping will be supplied through a factory that passed the authorizations and the standardization to manufacture HDPE pipes, and has the expertise to manufacture pipes such as those intended for insertion in cable by blowing.

5.1.2.2. Pelad is a company that specializes in the field of manufacturing piping and accessories from polyethylene with specialization in the field of communications and agriculture. A profile of the Pelad Company is attached in Appendix C.

5.1.2.3. The pipes we will be using in the project will be pipes made of polyethylene (HDPE) with a circumference of 32 mm or 40 mm. The pipes will be of the ratio circumference type 13.5 which are intended to be buried using blowing, a specification of the pipe can be found in Appendix D.

5.1.3. Closures for optics:

5.1.3.1. The closures that will be supplied in the project will be closures manufactured by the Tyco Electronics Raychem Telcom Company. The Tyco company is one of the largest closure factories in the world with rich experience in the manufacture of closures for optic fibers. A profile of the Tyco company can be seen in Appendix E.


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5.1.3.2. The closure that will be supplied within the framework of the project is a closure that is intended for the installation of 24 fibers of model – FOSC-400A4-24-1-NGV-F001, a specification of the closure can be seen in Appendix F.

5.1.4. Optic patch panel, adapters and optic connectors:

5.1.4.1. The patch panels that will be supplied within the framework of the project will be patch panels intended for installation in a 19" cupboard, and with space for the installation of 24 connectors.

5.1.4.2. The said patch panel will have adapters connected to it, "pigtails and connectors with a connector of the FC-PC type. A specification of the patch panel, the adapters and connectors can be seen in Appendix G.

5.1.5. Generators - AC Primary Power Supply - Appendix H

5.1.5.1. The Generator that we are proposing is 20KVA for all sits, for the main site with the servers our proposal is 30KVA ,generator Input AC mains voltage: 220V single phase and 380V three phase 10 % variation. Frequency of the supply is 50 Hz 2.5 %.

5.1.5.2. The components are :

Stand alone AC Distribution Board

500 liters daily service tank.

Industrial type silencer and flexible bellows.

Control Cubicles and alarms

Menegment system

5.1.6. DC power supply and Back up Battery - Appendix I

5.1.6.1. Secondary Power supply


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System Equipment that is proposed is stated and modular

(Hot pluggable) and is able to support up to twice the initial

capacity of the equipment supplied.

For all sites we are proposing -48vDC power system:

front power distribution Panel 3U

44U 19" cabinet 60cm

power system 1006 30A-90A

System controller 1006 net

maintenance free valve-regulated recombination cells (2V/Cell)

Batteries for 10 hour backup

For main site we are proposing -48vDC power system:

front power distribution Panel 3U

44U 19" cabinet 60cm

power system 1006 30A-90A

System controller 1006 net

maintenance free valve-regulated recombination cells (2V/Cell) Batteries

for 10 hour backup.

front power distribution Panel 3U 150a\-48vdc

power system IP 2001 for inverters

Front power distribution Panel 3U for manual by-pass for inverter .

STATIC SWITCH 6KVA


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3X3KVA inverter system IP 2000.

Maintenance free valve-regulated recombination cells (2V/Cell) Batteries for 10 hour backup

5.1.7. Air Condition: - Appendix J

5.1.7.1. General requirements

The air condition that we are proposing is suitable duplicated

split type air conditioning equipment whose cooling

capacities 1.5 HP for all sites an 2.5 HP for main site.

Filtration type can be washable and reusable.

Dust and grit 1 to 2 microns

Efficiency: 90%

CFC free materials which can be recycled

Design and calculation of total cooling capacity

The air conditioning equipment to be provided shall cater for temperature and humidity requirements for the offered equipment.

5.1.7.2. System Features

Controls to be grouped in a centralized position.

Adjustable air control to permit air deflection with variation.

Automatic even temperature thermostat sense temperature variations and switch ‘on’ or ‘off’ to maintain desired temperature level.


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5.1.7.3. Room temperature display

Operation in automatic mode is 1+1 with weekly changeover

Automatic changeover on operating unit failure

Remote alarm indication

Sound insulation to reduce noise and vibrations.

5.1.8. Tests Instruments: - Appendix K

5.1.8.1. The tests instruments include the following equipments:

OTDR

Stabilized light source

STM-N analyzer

Optical Portable power meter

Optical portable telephone

GHz Oscilloscope

Fusion splicing machine

Fibre optic cleaver

Optical Variable Attenuator

Special/Maintenance tool kit

6. Testing (ATP) and documentation of the project:


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6.1. The level of the checks and the documentation of the project will be divided

into 2 components as detailed hereunder:

6.1.1. Checks and documentation of the optic network.

6.1.2. Documentation checks of the receipt including results of the check of

the optic network.

6.2. Documentation of the optic network will be carried out "by Autocard" in the

form of a "Moxplan" map. The said documentation will include the types of

cables to be buried, the quantity of the fibers in each and every cable, the

method of connecting each cable to a cable at the level of the pipes and the

fibers, a wiring diagram of the fibers in every closer and a diagram of the

wiring of the fibers in every patch panel. In Appendix L attached there is a

sample of an As made map of the underground network.

6.3. Documentation of the optic checks will be made together with the checks, as a

rule three main checks will be made of the optic network, an attenuation

check of the "splice", a check that will be made when the "splice" is being

made, an OTDR check, in accordance with the specification that the client

requests and a Power Meter check, documentation of these checks will be

made suing a checks report that will be issued upon their completion, in

addition all the documentation will include a printout from the OTDR which

presents the graph and the results of the check. In Appendix M attached there

is a sample of the method of documentation of the optic tests.


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