bai hoc kinh nghiem du an stn

8/11/2019 Bai Hoc Kinh Nghiem Du an STN

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TELECOM

INTRODUCTION

33

44

55 FUNCTIONALSYSTEMS


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NEW

DESIGN

NEW

DESIGN

FOR STNFOR STNSSANDSTNANDSTNNN

SITE

SURVEY

AT

SITE

SURVEY

AT

WHPWHPA,WHPA,WHPBBANDCPPANDCPP

SOWOF

SOW

OF

UPDATE

3D

UPDATE

3D

MODIFICATION

MODIFICATION

FROMFEEDFROMFEED

,,WHPWHPBANDCPPBANDCPP

TBE/TBC

FOR

TBE/

TBC

FOR

PROCUREMENTPROCUREMENTWORKWORK

UPDATEDATA

UPDATE

DATA

VENDORFORVENDORFOR

TELECOMANDPAGATELECOMANDPAGA


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The integrated Telecommunications System to be installed on the

Vietnam.

The equipment to be installed shall be:

The Telecommunications System shall form an integral part of

COMPANYS WAN.


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BothSTNNandSTNSwillbeintegratedintotheexistingWHPB

andCPP

facilities

in

offshore

Vietnam.

The

telecommunications

s stemstobeinstalledonSTNNandSTNSwillinclude:


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ThefacilityinstalledonSTNNandSTNSshallbeintegratedtothe

existing aci ityonWHPBan CPP.T esystemsw ic s a e

integratedinclude:

Controlsystem:

Telecommunicationsystem:


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A dual redundant Digital Microwave Radio Communication System with directional antennas

havin s ace diversit shall be the main communication link between STNS and STNN. There

shall also be single links between STNN to WHPB and between STNS to WHPA.

o u o y u o o u o u o

STNS facilities such as carrying voice and data communications to / from CPP via WHPB and

WHPA.

Diversity systems including space diversity shall be employed, with two antennas at each

terminal for STNS and STNN. The WHPA and WHPB platform shall also deploy space

diversit with two antennas for the links.

The redundant digital radio links shall be coupled to redundant Signal Multiplexers. Each link

.

shall be 7.5 GHz and system shall have an initial Bandwidth of 80 Mbps.


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The UHF Radio System shall allow twoway communications between personnel in LCR and

,

(i.e. CPP, WHP

A, WHP

B).

.

Five (5) FM approved UHFFM IS handportable, display type radios to be used by field

ersonnel.

A 120 VAC multiway charging station to accommodate the charging of up to six (6) units

UHF Antenna System which shall consist of one highgain omni directional antennas. The

antenna system shall include a lowloss flame retardant coaxial feeder, lightning arrester and

all accessories.


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A dual UHF FM and VHF FM radio set shall be installed in the crane cabin for twoway

,

personnel.

The radio set shall be equipped with a heavy duty headset with integral boom microphone

and a press to talk (PTT) hand switch, a changeover switch and a heavy duty foot switch.

A 25 Watt loudhailer for communicating over the deck area is to be provided by the crane

supplier along with one (1) explosion proof loudspeaker mounted below the crane boom.


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For reliable 2way air / ground radio communications between the STNN / STNS with

,

installation in the LCR, together with a high gain antenna and low loss coaxial feeder withaccessories.

Two Factory Mutual approved intrinsically safe hand portable VHFFM radios shall be

provided for helideck operations.

Due to the nonavailability of Factory Mutual certified VHFAM Handportable radios, the

Radio Room aeronautical VHF radio shall also include one VHFAM / VHFFM translator,

consisting of a standard simplex VHFFM base station. The translator shall be rackmounted

.

radios.

VHFAMcommunicationsshallusethesim lexmodeonu to6fre uenciesinthe118136

MHzband.OneVHFfrequencyinthe147 174MHzband,tobeadvisedlater,shallbe

allocated

to

the

VHF

AM

/

VHF

FM

translator.


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A fully redundant autochangeover minimum 100 Watts Non Directional Beacon shall be

.

The helideck wire antenna shall be installed outside the 210 degree helicopter approach

angle. The ATU and Transmitter Box shall be weather proof.

Due to the nonavailabilit of Factor Mutual certified VHFAM Hand ortable radios the

Radio Room aeronautical VHF radio shall also include one VHFAM / VHFFM translator,

consisting of a standard simplex VHFFM base station. The translator shall be rackmounted

in the LCR.This arrangement will allow the use of FM approved VHFFM Handportable

o .

VHFAMcommunicationsshallusethesim lexmodeonu to6fre uenciesinthe118136

MHzband.OneVHFfrequencyinthe147 174MHzband,tobeadvisedlater,shallbe

allocated

to

the

VHF

AM

/

VHF

FM

translator.


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A HF Single Side Band radio shall be installed in the LCR to provide voice communications

, .

The Omnidirectional antenna shall be sidemounted below helideck. The antenna tuning

unit complete with junction box shall be installed outdoor near the antenna.

The HF radio shall operate on at least 12 user programmable operating channels in the 1.6

30 MHz frequency band.


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In order to provide assistance to helicopter pilots and operations crew, a Weather

.

operator of CPP the real time information of STNN / STNS environmental conditions:

Realtimewindspeedanddirection, Meanwindspeed, Gustspeed,

Corrected barometric pressure for sea surface (QNH) (data transferred from CPP System),

CorrectedBarometricpressureforhelidecklevel(QFE)(datatransferredfromCPP

System), , , ,

(datatransferredfromCPPSystem)

Main Deck.

One Processin station, housin the central rocessor, shall be rackmounted in the

Telecommunications cabinet in the LCR complete with remote display located on the Radio

Operator Console.


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A marine Satellite System shall provide a backup voice between the platforms (STNN and

.

One (1) Inmarsat IDU connected to a new remote PBX shall be provided. One (1) handset

.

In order for this system to be used during ESD_1, an explosion proof wireless mobile phone.

access points are also located on the Main Deck and in the LCR.

,

and POR satellites. Automatic satellite tracking features shall be provided. Selection for bestreception of either of the two satellites shall be possible from the controlling handset.

TxFrequency : 1626.50to1660.50MHz

RxFrequency : 1525.00to1559.00MHz


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STNN and STNS platforms shall be connected to the existing PABX system on CPP. The

.

Indoor hazardous area (Ex proof) telephones shall be installed in indoor areas such as LCR,

.

indoor telephones.

xp os on proo te ep ones s a e nsta e n out oor areas. ut oor area exp os on proo

telephones shall be equipped with acoustic hoods, flashing beacons and sounders in high

ambient noise areas.

The STNN and STNS facilities shall be connected to the COMPANY LAN system called

Business LAN or BLAN. The existing BLAN is 100BaseT network at CPP that employs TCP/IP.


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The STNN and STNS facilities shall be connected to the COMPANY LAN system called

. .

The main servers such as file sharing, email, domain controller, web etc. within the Server

cabinet will be available in CPP

On the STNN and STN

S facilities dual RJ

45 LAN orts shall be installed in the LCR

Electrical Room, Temporary Shelter and FCS server cabinet for interface to FCS Historian.

Cabling shall be UTP CAT 5e. A 24 port switch shall be used at both STNN and STNS

facilities.

The ports shall have dedicated 100BaseT 100 Mbit/s with female RJ45 ports and

uplink/downlink ports.


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The PAGA system shall provide public announcement (voice paging), one party line as a

, .

The PAGA system shall be fully redundant with system A and system B. Both PAGA systems

shall cover all areas on the platforms. Speakers and flashing beacons in those two systems

shall be located as if there are twohalf systems.

PAGA system shall consist of one main control panel which mainly contain all indicators,

switches and reset switch, one secondary control panel which mainly contain all

termination, interfaces, line balance assembly, page/party stations, amplifiers, speakers,

, , . .

PAGA system shall be supplied complete with a 24 VDC battery charger, batteries and circuit

rea er ox. a ery c arger s a e a e o supp y e ec r ca power o comp e e

system and at the same time charging the batteries as necessary.


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One (1) Hotline Telephone and one (1) Remote Access Unit shall be provided each at STN N

.

The Hotline Telephones shall link the STNN and STNS Local Control Room to the CPP

Central Control Room.

The Hotlines shall be pointtopoint links with no connection to the PABX telephone system


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