Telecommunication System Design Basis - Offshore Platform [PDF]

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FRONT-END ENGINEERING DESIGN (FEED) SERVICE FOR BK-TNG WELLHEAD PLATFORM



DOC NO.



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REV. NO.



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TELECOMMUNICATION SYSTEM DESIGN BASIS Page 2 of 22



TABLE OF CONTENTS 1.0



GENERAL



3



1.1



Background



3



1.2



Purpose of document



3



1.3



Definitions and Abbreviations



3



1.4



Reference Documents



6



1.5



Regulations and Precedence of Codes and Standards



7



2.0



GENERAL DESIGN CRITERIA



8



2.1



General Environmental Condition



8



2.2



Specific Environmental Condition



9



2.3



Area Classification



9



3.0



COMMUNICATION GENERAL DESCRIPTIONS



9



3.1



Mandatory Telecommunication equipment



10



4.0



TELECOMMUNICATION REQUIREMENTS



11



4.1



Platform External Communications



11



4.2



Platform Internal Communications



12



4.3



Emergency Communications and Other Supporting Equipment



15



5.0



SAFETY SYSTEMS INTERFACES



16



5.1



Emergency Shutdown and Fire & Gas System Interface



16



6.0



CABLING SYSTEM



16



6.1



General



16



6.2



Corporate LAN and Related Applications



16



6.3



RF Cables



17



6.4



Other Cables



17



7.0



TEMPORARY TELECOMMUNICATION FACILITIES



17



8.0



DESIGN REQUIREMENTS



17



8.1



Equipment Design



17



8.2



Cabinets/ Panels and Racks



18



8.3



Consoles



19



8.4



Coating and Painting



20



8.5



Labeling and Signage



20



8.6



Antennas and Feeders



21



8.7



Earthing



21



8.8



Radio Frequency Interference



22



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1.0



GENERAL



1.1



Background Thien Ung field is located in the middle part of Block 04-3 04 in the Nam Con Son Basin, offshore the Socialist Republic of Vietnam, approximately 15 km of Dai Hung field, and approximately 270 km southeast of Vung Tau. The Block 04-3 04 3 covers an area of approximately 2600 km2. The Thien Ung field is including its 2 structural structural parts. Thien Ung structure discovery was made in 2004 with the 04-3-TU-1X 04 1X well. Two subsequent appraisal wells (04.3-TU-2X (04.3 and 04.3-TU-3X), 3X), drilled and tested respectively, respec delineated the field. Location of Thien Ung field is shown in Figure 1.1 below. belo



Figure 1.1: Thien Ung Reservoir Location 1.2



Purpose of document This document is to define design basis for the provision of telecommunication systems for BK-TNG TNG Wellhead Platform. The system shall include External Platform Communication systems (communication interfaces to shore, and vicinity platform), Internal Communication Systems (intra-platform platform communications, and entertainment system) and other associated systems. The Telecommunication facilities are prioritized in Mandatory system, Operational Operati system and non-essential essential system for the purpose of Safety-related, Safety related, Regulatory-compliant, Regulatory Operational and Entertainment requirements. requirements



1.3



Definitions and Abbreviations



1.3.1



Definitions PROJECT



FEED service for BK-TNG TNG Wellhead Platform



COMPANY



The party which initiates the project and ultimately pays for its design and construction and owns the facilities. Here the COMPANY is Vietsovpetro (Referred to as VSP) The party which carries out all or part of the design, engineering, procurement, ment, construction and commissioning of the project



CONTRACTOR



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1.3.2



VENDOR



The party on which the order or contract for supply of the equipment / package or services is placed



OTHERS



The party which carries out part of the project who is not in FEED scope.



Shall



Refers to mandatory requirement



Should



Refers to a recommendation



Will



Refers to mandatory requirement



Consider



Is a mandatory requirement unless a technical justification exists for not implementing and an equivalent solution is implemented



May



Indicates an acceptable course of action



Might



Indicates an acceptable course of action



Can



Indicates an acceptable course of action



Abbreviations ABBREVIATION



DESCRIPTION



AC



Alternating Current



AM



Amplitude Modulation



ANSI



American National Standards Institute



BK-TNG



Thien Ung Wellhead Platform



CCIR



Consultative Committee on International Radio



CCITT



Consultative Committee on International Telegraphy and Telephony



CCR



Central Control Room



dB



Decibel



dBA



Decibels, weighted sound pressure level



DC



Direct Current



DCS



Distributed Control System



DMR



Digital Microwave Radio



DSC



Digital Selective Calling



DSL



Digital Subscriber Line



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EMC



Electromagnetic Compatibility



EPIRB



Emergency Position Indicating Radio Beacon



ESD



Emergency Shutdown



FEED



Front - End Engineering Design



FGS



Fire and Gas System



FM



Frequency Modulation



GMDSS



Global Maritime Distress and Safety System



IAR



Integrated Access Router



ICAO



International Civil Aviation Organization



IEEE



Institute of Electrical Electronics Engineers, USA



IER



Instrument Equipment Room



IMO



International Maritime Organization



INMARSAT



International Maritime Satellite



IP



Internet protocol



IS



Intrinsically Safe



ITU



International Telecommunication Union



ITU-R



International Telecommunication Union – Radiocommunication, (formally CCIR)



ITU-T



International Telecommunication Union – Telecommunication Standardization, (formally CCITT)



kHz



Kilo Hertz



LAN



Local Area Network



LOS



Line of Sight



LQ



Living Quarters



MHz



Mega Hertz



NDB



Non Directional Beacon



PA/GA



Public Address / General Alarm



PABX



Private Automatic Branch Exchange



PAPA



Prepare To Abandon Platform Alarm



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1.4



PC



Personal Computer



PSTN



Public-Switched Telephone Network



PTT



Push To Talk



PVE



Petrovietnam Corporation



RCU



Remote Control Unit



RF



Radio Frequency



RR



Radio Room



SART



Search and Rescue Radar Transponder



SI



Standards International



SOLAS



Safety Of Life At Sea



TEMPSC



Totally Enclosed Motor Propelled Survival Craft



TER



Telecom Equipment Room



TIA



Telecommunications Industry Association, closely affiliated with EIA for cabling standards



TPGM



Technip Geoproduction (M) Sdn Bhd



TPVN



Technip Vietnam Company Limited



UHF



Ultra High Frequency



UPS



Uninterruptible Power Supply



VHF



Very High Frequency



VPN



Virtual Private Network



VSAT



Very Small Aperture Terminal



Engineering



Consultancy



Joint



Stock



Reference Documents This design basis document made references to Contract, Project Documents and the latest editions of codes, standards, specifications and regulations of local and international bodies. The project documents referred to are listed as followed: DRAWING/DOCUMENT NO.



TITLES



1014-BKTNG-PM-PQP-0001



Project Quality Plan



1014-BKTNG-PM-PQP-0001



Project Coordination Procedure



1014-BKTNG-PM-PEP-0001



Project Execution Plan



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1014-BKTNG-IN-DW-0002



Overall Telecoms Block Diagram



1014-BKTNG-IN-SP-0009



Specification of Telecommunication System



1014-BKTNG-IN-RPT-0001



Instrument Design Basis



1014-BKTNG-IN-DW-0001



Overall Instrument System Architecture Diagram



Contract No.: 001/13/TN/L43/VSP1-TPGM 1.5



Regulations and Precedence of Codes and Standards The communications system shall be designed in accordance with all engineering codes, international standards, rules, recommendations and regulatory standards to the specified requirements and performance. Local statutory regulations and purchase specifications should be consulted in conjunction with these specifications and where deemed necessary should override any methods described in this document, which is for guidance only. The necessary Vietnam type-approval requirements for radio equipment and other related equipment shall be adhered to from the local authority prior to their provisioning. Any conflict in interpretation among the specifications, drawings and/or datasheets shall be brought to COMPANY’s attention for clarification. All equipment, system design and installation shall comply with the latest editions and revisions of the following codes and standards specified herein as a minimum. CODE / STANDARD



DESCRIPTION



ANSI/TIA/EIA-568B



Commercial Standard



API RP 14FZ



Recommended Practice for Design and Installation of Electrical Systems for offshore Production Platforms



API RP 505



Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class 1, Zone 0, Zone 1 and Zone 2



DNV-OS-A101



Safety Principles and Arrangements



DNV-OS-D201



Electrical Installations.



DNV-OS-D202



Automation, Safety and Telecommunication Systems



GMDSS



Relevant Global Maritime Distress and Safety System Regulations



ICAO Annex 10



Aeronautical Telecommunications (International Civil Aviation Organization)



IEC 61892 series



Mobile and Fixed Offshore Units – Electrical Installation



IEC 61034



Low Smoke Emissions. Measurement of smoke density of cables burning under defined conditions - Part 2: Test procedure and requirements



IEC 60754



Zero Halogen Emissions. Test on gases evolved during combustion of materials from cables - Part 1:



Building



Telecommunications



Cabling



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Determination of the amount of halogen acid gas IEC 60079 series



Explosive Atmosphere



IEC 60529



Classification of Degree of Protection provided by enclosures (IP Code)



IEC 60092 series



Electrical Installation in Ships



IEC 60331



Tests on Electric Cables under Fire Conditions: Fire resistance Characteristic of Cable



IEC 60332



Tests on Electric Cables under Fire Conditions: Fire retardant Characteristic of Cable



IEC 61000 series



Electro Magnetic Compatibility (EMC) Maritime navigation and radio communication



IEC 60945



equipment and systems - General requirements – Methods of testing and required test results



IEC 60533



Electrical and electronic installations in ships – Electromagnetic compatibility



IMO MODU



The Code for the Construction and Equipment of Mobile Offshore Drilling Units (MODU Code).



ITU-R



Relevant ITU-R standards



ITU-T



Relevant ITU-T standards



NEK TS 606



Cables for offshore installations halogen-free and/or mud resistant Technical Specification



QCVN



Relevant QCVN (Vietnamese) standards



SOLAS



Relevant IMO Safety Of Life At Sea regulation



TCVN



Relevant TCVN (Vietnamese) standards



IEEE



Relevant IEEE Regulations for the Electrical and Electronic Equipment of Mobile and Offshore Installations



2.0



GENERAL DESIGN CRITERIA



2.1



General Environmental Condition The communication system shall suit the marine environment conditions detailed below:



BK-TNG Platform Location:



Longitude: Latitude:



o



108 46” 42.68’ E o 8 33” 36.82’ N



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Environment / Ambient:



Offshore dusty, salt laden, marine air condition, expose to monsoon storm and winter depressions



Ambient Temperature:



39 C (max.)



0 0



21 C (min.) Relative Humidity:



98.0 % (max.) 62.0 % (min.)



2.2



Wind Velocity:



18.8 m/s



Rainfall:



50 mm/hr



Specific Environmental Condition The communication equipment shall be installed in a normally air-conditioned Radio Room, Telecom Equipment Room and Instrument Equipment Room on the platform. Proper ventilation shall be provided in order to maintain the room within the specific temperature and 0 0 humidity limits. The room temperature ranges shall be between 15 C to 30 C and the relative humidity shall be 55%-65% All items of equipment installed in air-conditioned rooms shall be able to operate under the 0 worst ambient conditions (max. 45 C and relative humidity of 80-90%) during heating, ventilation and air conditioning (HVAC) failure. The full loaded system shall be able to operate without any degradation during HVAC failure. All antennas, including the dish antenna for satellite communications and all outdoor installations, must be specially designed, constructed and securely mounted to be operational with less than 3 dB degradation against the 3-second mean gusts during typhoons and saltladen marine saliferous corrosive environment. The harmful effects of salt mist and mould growth on communication equipment must be considered. The VENDOR shall have full knowledge of the environmental conditions of BK-TNG field. The VENDOR shall take all necessary precautions to ensure that all equipment delivered in execution of this specification is suitable for transportation, storage and operation under the relevant environmental conditions of the area. Offshore operation shall imply a marine ambient during transportation, storage and exterior use.



2.3



Area Classification The Living Quarter, Telecom Equipment Room, Radio Room, Instrument Equipment Room and Central Control Room are classified as safe areas. Equipment within these locations shall be of standard industrial type. Most external and exposed areas of the platform are classified as Zone 2 Group IIA T3. Equipment for installation in hazardous areas shall be correctly certified for use within the appropriate classification area. Alternative protection methods suitable for the classified area and certified by an acceptable authority may be considered if normal protection methods cannot be adopted.



3.0



COMMUNICATION GENERAL DESCRIPTIONS The Thien Ung BK-TNG platform shall be equipped with a Telecommunication system that shall complied with the requirements for offshore platform with a Living Quarters. The level and type of equipment provided should confirm to GMDSS, SOLAS convention concerning radio communications and to the codes for the construction and equipment of MODU’s. The Telecommunication facilities may be grouped and prioritized as follows: •



Mandatory system and equipment



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3.1



3.2



3.3



Operational system and equipment







Non-essential system and equipment



Mandatory Telecommunication equipment a)



Public Address and General Alarm (PA/GA) system for general and emergency announcements and communications and alarm broadcasts integrated with paging function.



b)



Communication equipment for TEMPSC/ lifeboats and life rafts which include SART, EPIRB and GMDSS VHF FM radiotelephone.



c)



VHF FM Marine band base station radio and portables for communications with vessels



d)



VHF AM Aviation Radio and portables for communications with helicopters



e)



Non Directional Beacon (NDB) for navigational aid of helicopter pilots



f)



VSAT Satellite link between BK-TNG WHP and VSP office in Vung Tau which comprises of full package such as VSAT antenna, ODU, IDU, IAR and related equipment.



g)



INMARSAT F link is used for emergency and backup communication.



h)



Microwave link between BK-TNG WHP and Dai Hung Field with estimated distance of 18 km. This link carries voice, fax and data service.



i)



Communications between BK-TNG WHP and White Tiger platform via the existing onshore-offshore communication of VSP.



Telecommunications for operational services a)



PABX system, telephone set, hotline and fax equipment for internal communication on the platform and access to VSP Office.



b)



UHF FM Mobile radio base station and portable radio for crew on-board communications



c)



Crane Radio System and public address facility *loud hailer"



d)



Business PC, LAN and servers for e-mails, Internet access and other PC tools including Network Management System.



e)



Meteorological monitoring system



Non-Essential Telecommunication Systems a)



3.4







Entertainment System



Power supply requirement



The power supply for each of the telecom system shall be generalized as follows:a)



VSAT System inclusive IAR – UPS 230 VAC with 3 hours power back-up autonomy



b)



Digital Microwave System – UPS 230 VAC with 3 hours power back-up autonomy



c)



PABX system – UPS 230 VAC with 3 hours power back-up autonomy



d)



UHF FM Mobile Radio system – UPS 230 VAC with 3 hour power back-up autonomy



e)



Public Address and General Alarm (PA/GA) system – UPS 230 VAC with 3 hours power back-up autonomy



f)



LAN system – UPS 230 VAC with 3 hour power back-up autonomy



g)



VHF FM Marine band radio system – UPS 230 VAC with 24 hours power back-up autonomy



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4.0



h)



VHF AM Aviation Radio system – UPS 230 VAC with 24 hours power back-up autonomy



i)



Non Directional Beacon (NDB) system – UPS 230 VAC with 24 hours power back-up autonomy



j)



Communication equipment for TEMPSC – Battery Powered.



k)



Entertainment system – Non UPS 230 VAC



l)



INMARSAT F system – UPS 230 VAC with 3 hours power back-up autonomy



m)



Crane Radio System and Loudhailer – UPS 230 VAC with 3 hours power back-up autonomy



n)



Meteorological station - UPS 230 VAC with 3 hours power back-up autonomy



TELECOMMUNICATION REQUIREMENTS The telecommunication needs for BK-TNG platform shall be provided by External Platform Communication Systems and Internal Platform Communication Systems. External Platform communications enable communication between BK-TNG and external parties including onshore, vicinity platforms, supply vessels, helicopter pilots and supply bases. Internal Platform Communications facilitate intra-platform communications including telephone, radio communication, alarm and message broadcasts and entertainment systems. Emergency radio for TEMPSC and life rafts are also included as part of Internal Platform communication systems.



4.1



Platform External Communications



4.1.1



Communication to onshore VSP office The communication between BK-TNG platform and onshore shall include voice, data communication and communication between Distributed Control System (DCS) on the platform and onshore VSP office. Due to the distance of 270 km between BK-TNG platform and shore, Microwave Radio system cannot be used, the primary communication link shall be VSAT Satellite Communication system. INMARSAT F system shall be used as the backup system for VSAT Satellite communications system.



4.1.1.1 VSAT Satellite Communication VSAT Satellite communication shall be the primary communication link for the transmission of voice, fax and data (for e-mail, DCS etc.) to VSP office in Vung Tau. VSAT satellite antenna, (1+1) outdoor unit, dual VSAT modem and dual Integrated Access Routers (IARs) and its associated equipment shall be supplied and installed on BK-TNG platform. At onshore location, the VSAT station operated by VINASAT satellite operator shall be used and provided by OTHERS. Dual IARs shall be free issued to VSP office in Vung Tau for the integration purposes. The size of the dish antennas and the transmit power for the VSAT should be analyzed in the later phase of the engineering. However, given the offshore environment, the maximum diameter of the dish antennas is not expected to be larger than 2.4 meters. Sufficient VSAT system design consideration shall be incorporated to ensure an availability of 99.7% is achieved. The design of the VSAT system should be capable of providing service up to a bandwidth of 512 kbps without major hardware equipment upgrade. The VSAT design shall also take into consideration interfaces requirements for voice and data communications including the bandwidth requirement of DCS. 4.1.1.2 INMARSAT F System INMARSAT F system shall be back up to the VSAT Satellite Communication System for emergency communication purposes. INMARSAT F shall be deployed to provide both voice and medium rate data channels.



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4.1.2



Communication to Dai Hung Field The distance between BK-TNG WHP and Dai Hung Field is 18 km. Line-Of-Sight (LOS) (1+1) Monitored Hot Standby Digital Microwave Radio shall be used to provide communication of 8 Mbps for at least two channels for voice, one channel for fax, one channel for data and one channel for spare.The required height of antenna dish at both platforms is about 30 m from sea level, and then Telecom tower is not required. A path loss analysis shall be carried out during detailed engineering to determine the height and diameter of antenna dish, and the link availability. The Digital Microwave Radio shall be configured to ensure an availability of 99.97% or better is achieved.



4.1.3



Communication to White Tiger platform The connection between BK-TNG and White Tiger Platform is via BK-TNG to VSP onshore by VSAT, then from VSP onshore to White Tiger Platform. The communication from VSP onshore to White Tiger Platform is under COMPANY scope. Contractor will interface closely with VSP to provide input/output information required for the tie-in.



4.1.4



Communication with Vessels and Helicopters within Thien Ung Field Vicinity



4.1.4.1 VHF-FM Marine Base Radio and Portables Communications with ships/supply boats within the vicinity of BK-TNG platform shall utilize VHF-FM Marine Base Station equipped with Digital Selective Calling (DSC) capability on Channel 70 for emergency and distressed calls as per IMO requirements. The equipment shall be capable of monitoring on channel 16 while working on other channels. One base station shall be installed in the Telecom Equipment Room (TER) and another base station shall be equipped in Instrument Equipment Room (IER). The Remote Control Unit (RCU) shall be extended to the Operator Console in the Radio Room and to the communication console in CCR. Both radios shall be used to provide routine communication with ships/supply boats. Intrinsically Safe VHF-FM portables (Walkie-Talkies) equipped with international marine channels for selected platform personnel on the move shall be provided for communications with ships/supply boats. Each portable shall come complete with a carrying case, IS remote speaker/microphone, spare IS battery and single way rapid battery charger. Multi-way charger shall be provided in the Radio Room. 4.1.4.2 Non-Directional Beacon (NDB) A dual Non Directional Beacon (NDB) transmitter shall be installed on BK-TNG platform to provide guidance for helicopter landing on the platform. A long wired NDB antenna shall be installed around the helideck. The Automatic Tuning Unit (ATU) and transmitter units shall be installed in the safe area on Living Quarter roof. A monitor receiver shall be provided in Radio Room for off-air monitoring of the NDB transmissions The NDB remote control unit shall be extended to Radio Console in Radio Room. 4.1.4.3 VHF-AM Base Radio and Portables For communications with helicopters, VHF-AM Aeronautical base stations shall be installed in TER and IER. They shall be installed complete with the Remote Control Units (RCU) onto the Radio Operator Console and CCR Operator Console in the Radio Room and Central Control Room respectively to provide ground to/from air VHF-AM communication. Intrinsically Safe VHF-AM Portables (Walkie-Talkies) shall be used by the landing officer to communicate with the helicopter pilot when the helicopter is in the vicinity of the platform and is about to land. Each portable radio is supplied with noise reduction headset, belt, PTT function, noise-cancelling microphone, spare IS battery and single way charger. The usage of band translator to enable (IS-type) portables from VHF FM band to be deployed may be considered. 4.2



Platform Internal Communications



4.2.1



Internet Protocol-Private Automatic Branch Exchange (IP-PABX)



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BK-TNG platform shall be equipped with IP-PABX system to facilitate telephone switching capabilities and services within the Living Quarter and the various rooms/locations on the platform. The IP-PABX system also provides telephone communication to VSP office in Vung Tau via the VSAT Satellite system. The IP-PABX trunk/gateway shall be provided for interfacing to COMPANY telephone network. The IP-PABX shall be linked to the Public Address and General Alarm (PA/GA) system through a telephone interface to allow phones paging capabilities through the PA/GA by dialing a pre-programmed number. Telephones and fax machines shall be supplied for usage on BK-TNG platform. The analogue telephone adaptor (ATA) shall be used to connect IP-PABX to outdoor explosion proof analogue telephone. 4.2.2



UHF-FM Communication System and Portables UHF-FM mobile radio station and portable radios shall be set-up for mobile communication among the platform personnel. UHF-FM base stations in TER, IER with Remote Control Units in RR, CCR and Intrinsically Safe portable transceivers (Walkie-Talkies) shall be provided for usage in all operational areas and on all internal areas of BK-TNG platform. The portables shall be equipped with carrying cases, belt loop feature, and extended speakers/microphone to permit semi-hands-free operation, I.S spare batteries and single way rapid battery chargers. Two (2) multi-way rapid chargers shall be supplied for the Radio Room and Central Control Room Where necessary, repeater should be considered to ensure sufficient coverage of radio signal on the various parts of the platform. The use of radiating cable and/or passive antennas may also be considered to ensure full coverage of the enclosed areas, e.g. LQ, CCR, etc.



4.2.3



Public Address and General Alarm (PA/GA) System PA/GA system incorporating paging functions shall be required for safety and operational needs on BK-TNG platform. It shall be used for providing routine and emergency announcements and broadcast of audible and visual alarms. PA/GA system shall alert personnel on the platform during emergency situations such as confirmed Fire and Gas detection, Emergency Shutdown and PAPA activation via pushbuttons. PA/GA system is essential for the safety requirement of the personnel as well as for the smooth operations of the platform. During normal situations the PA/GA system is used as an operational system for paging, intercom communication and announcements of operational activities and personnel instructions. The PA/GA system shall be suitably equipped for interfacing in minimum with PABX system, FGS, ESD and Entertainment System. The interfaces with PABX enable remote paging via the telephone system to be realized. The interfaces to FGS shall enable FGS signals to be extended to PA/GA system to broadcast alarms inclusive enabling PAPA activation signals. Interface to ESD shall be extended to PA/GA system for ESD alarm and interface to Entertainment system shall be provided to extend muting signals to the said system. The system shall be dual/duplicated and centrally-controlled. PA/GA System A shall be installed in the TER inside LQ and PA/GA System B shall be installed in IER. PA/GA access stations shall be installed in the CCR and Radio Room (RR). Should any part of the system fails, the backup system shall take control and provide the necessary service to maintain integrity of operation. Alarm announcements and audible tones, with zoning options, shall be able to be made from a variety of sources such as PA/GA access stations, telephone via PABX interface and digitally recorded messages. PA/GA access stations shall be installed in the CCR and Radio Room. Explosion proof PA/GA access units shall located at the Primary Muster and Secondary Muster stations. Access to the PA/GA for paging via the telephones off the PABX shall be accorded by dialing an access code pre-programmed into the telephones. The telephone interface shall also allow for remote paging from shore. Emergency alarms level shall be 65 dBA in minimum and 6 dBA above the maximum background noise level. In the areas where the noise level exceeds 85 dBA, visual alarms in



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the form of strobe lights shall be used to supplement the audible alarms. The strobe lights shall be automatically activated by the broadcast. Audible and visual alarms shall be presented for FGS, ESD and PAPA alarm as follows: Alarm:



Tone:



Message:



Beacon color:



PAPA



Siren



“ABANDON PLATFORM”



Blue



Confirmed Fire



Warble



“CONFIRMED FIRE ALARM”



Red



Confirmed Gas



Warble



“CONFIRMED GAS ALARM”



Amber



Emergency Shutdown



Warble



“EMERGENCY SHUTDOWN”



Red



Emergency Shutdown with Blowdown



Warble



“EMERGENCY SHUTDOWN & BLOWDOWN”



Red



The system shall be segregated as such that no failure shall cause the loss of more than 50% coverage of the system. The segregation shall be made by alternate speaker loops and alternate beacon lights cabling which follows separate route for the speakers and beacon lights. 4.2.4



Business PC and LAN System A LAN system comprising of routers, anti-virus software and Ethernet switches including CAT-6 structured cabling system shall be provided on BK-TNG platform to meet business and Corporate LAN requirements. Network Management tools to monitor and manage bandwidth usage shall also be provided. The Business PC and LAN system shall be used to facilitate corporate e-mail communications and accessing corporate computing applications e.g. survey activities reports and analysis, transportation and shipping arrangements, monitoring and control of production, etc. It shall also provide access to the Internet. Integration to COMPANY LAN network shall be via VSP office in Vung Tau. Data outlets using for IP phone and PC connectivity shall be provided in each cabin of the Living Quarters and other rooms such as Radio room, Medical room, office, and working rooms (IER room, CCR room,...). The detail shall be shown on telecom equipment layout. Wi-Fi access points shall be equipped inside Living Quarters to provide LAN wireless connection.



4.2.5



Meteorological Monitoring System Meteorological Monitoring System (MMS) shall be used to allow radio operator to obtain weather information and convey to helicopters. The following variables will be measured with sensors: •



Wind direction and speed (Anemometer)







Barometer/static pressure







Air temperature and humidity



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Meteorological Station/Data Logger shall be installed inside cabinet in Telecom Equipment Room (TER). Meteorological Monitor Display shall be equipped inside Radio Room. Meteorological data shall be able to be observed by using web browser through LAN. The anemometer shall be ultrasonic type. It shall be suitable for outdoor marine environment. The power requirement shall be UPS 230 VAC, 50 Hz single feeder with 3 hours back-up power autonomy. 4.2.6



Entertainment System An entertainment system suitable for offshore environment shall be provided to receive satellite radio broadcasts and satellite TV programs from Vietnam authorized broadcasters. Satellites Ku-band dish shall be installed to receive TV and radio programs from the satellites. Head-ends shall be deployed for the broadcast signals to be combined, amplified and distributed via splitter to the cabins and selected areas in the Living Quarters. Satellite TV, radio decoders, TV sets, DVD player and other equipment shall be integrated in Entertainment system. The interfaces from PA/GA to Entertainment system shall be incorporated to provide muting capability in the event of emergency announcements or broadcasts. A large LED screen TV (Minimum 50”) and DVD player should be installed in Helicopter waiting room/TV room. TV outlets shall be provided in all cabins and function rooms in LQ. The detail shall be shown on telecommunication equipment layouts.



4.3



Emergency Communications and Other Supporting Equipment



4.3.1



INMARSAT Station (F System) Apart from using it as a backup to the satellite communication, the INMARSAT communication system shall also be used for emergency purposes. INMARSAT telephones and data outlets shall be provided in Radio Room and CCR.



4.3.2



Emergency Position Indicating Radio Beacon (EPIRB) EPIRB shall be provided and fully compatible with Global Maritime Distress and Safety System (GMDSS) and meet the requirements of the International Maritime Organization (IMO). They shall operate on the international distress frequencies of 121.5 MHz and 406.025 MHz Each TEMPSC and lifeboat shall be equipped with at least one EPIRB. EPIRBs shall be provided by the TEMPSC Vendor. They shall be stowed away on the TEMPSC.



4.3.3



Search and Rescue Radar Transponder (SART) SART shall be equipped on TEMPSC/Life Raft. SART when deployed gives the exact position of the distressed TEMPSC/Life Raft on radar display of any nearby ship, search and rescue vessel and aircraft. SART operates in the 9 GHz frequency band and generates a series of response signal by being interrogated with any 9 GHz sea-borne or air-borne radar. Each TEMPSC/Life Raft shall be equipped with at least one SART. SARTs shall be provided by the TEMPSC Vendor and Life Raft Vendor. They shall be stowed away on the TEMPSC, at the Secondary Muster and at the escape way near to the Life Rafts.



4.3.4



Two-way GMDSS VHF-FM Radiotelephone For life-saving use, VHF-FM Radiotelephones shall be supplied on TEMPSC and Life Raft. This equipment is designed and manufactured for two-way communication between TEMPSC and Life Raft, between TEMPSC/Life Raft and main ship, and between main ship and a rescue boat in accordance with the Safety of Life at Sea (SOLAS) convention.



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Each TEMPSC and Life Raft shall be equipped with at least one GMDSS VHF FM radiotelephone. GMDSS VHF-FM Radiotelephones shall be provided by the TEMPSC Vendor and Life Raft Vendor. They shall be stowed away on the TEMPSC, at the Secondary Muster and at the escape way near to the Life Rafts. 4.3.5



Crane Radio System The platform crane shall be provided with a hands-free VHF FM marine crane radio and a UHF-FM Radio to allow the crane operator to communicate with vessels and with deck crews for loading/off loading operations. The VHF FM marine band crane radio and the UHF-FM Radio shall be provided with headphones, a boom microphone and have a Press to Talk (PTT) facility operated by a foot switch or a fixed switch attached to the crane control. A public address facility “loud hailer” for broadcasting instruction to the deck crew shall also be provided. Telecommunication systems in the Crane shall be certified for usage in the area classification zone for the Crane. The systems shall be supplied by the telecom VENDOR and free issued to the Crane Vendor for installation.



5.0



SAFETY SYSTEMS INTERFACES



5.1



Emergency Shutdown and Fire & Gas System Interface Interfaces to FGS, ESD and DCS shall be provided. The interfaces system cabling shall be redundant to PA/GA System A and PA/GA System B. For the initiation of audio tone alarms and the associated voice message during Fire and Gas, Emergency Shutdown and PAPA alarm activation, FGS and ESD shall provide 24 VDC contacts to the PA/GA system. The contacts shall be energized when active state and deenergized when normal state with line monitoring capabilities. For each alarm condition, the PA/GA system will initiate a specific tone type and the associated voice message.



6.0



CABLING SYSTEM



6.1



General All cables applied for BK-TNG platform shall be offshore cables complied with specific IEC 60092 series or equal. The cable for installation within Wellhead area shall be Mud Resistance and compliance to NEK TS 606. All cable for mandatory systems/equipment shall be IEC 60331 and IEC 60332.



6.2



Corporate LAN and Related Applications A CAT6 structured cabling, complying to EIA/TIA 568B and ISO/IEC 11801 2nd Ed. shall be provided on BK-TNG platform for Corporate LAN infrastructure and for DCS physical connectivity requirements. Each selected location of the communications outlet shall have a dual RJ45 jack, designated for voice and data communications. In locations where Entertainment application is required, outlets shall have an additional wall socket module for the TV system. All four (4) pairs of CAT6 cable shall be terminated on to a RJ45 jack conforming to ANSI/TIA/EIA-568B wiring standard. Designations shall be used to differentiate the data/voice ports for each outlet. Where appropriate, outlets shall be located at desk height. Fiber Optic Cable shall be used for connection of Ethernet switch in the CCR to the Integrated Access Router in the Telecom Equipment Room. Fiber optic cable shall be multi-mode (MM)



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50/125 µm with graded index, Galvanized Steel Wire Braid armoured, Low Smoke Zero Halogen (LSZH) chemical and flame-retardant as per IEC 60332. The cable shall be designed for high precision and totally immune to electrical interference. Indoor protection shall be provided using cable trays in locations where high concentration of cables exists. 6.3



RF Cables Unless otherwise specified, all RF communications cabling to be used for radio communication equipment shall be 50-Ω, foam-filled Heliax and sized to suit the radio and antenna system parameters. RF cable shall be also met IEC 60332 standard.



6.4



Other Cables All PA/GA field devices cable, outdoor telephone cables and all telecom UPS power supply cables shall be fire resistance as per IEC 60331. The Entertainment System cable distribution shall be designed to provide audio and video service from the central head-end equipment located in the Radio Room to designated outlets in the permanent Living Quarter. When applicable, the location of the TV outlet shall be the same as the faceplate for LAN/PABX system telecommunication outlet. Outdoor antenna feeders from the Radio Room to the satellite dishes on the Living Quarter roof shall be provided by the equipment VENDOR as system cables.



7.0



TEMPORARY TELECOMMUNICATION FACILITIES Temporary telecommunication facilities shall be provided to communicate with jack-up drilling rig. The field equipment/devices and related facilities at jack-up drilling rig shall be designed and provided by OTHERS. The CONTRACTOR shall provide interfaces requirements for tie-ins. These tie-in requirements comprise of interfaces for telephones and PA/GA System. CONTRACTOR shall provide cables up to the junction boxes at the drilling area.



8.0



DESIGN REQUIREMENTS



8.1



Equipment Design Equipment supplied for rack-mounted shall be designed of front-access for the plug-in modules and of solid-state circuitry. All similar modules shall be interchangeable. Equipment shall be designed for mounting in standard 19-inch width racks or consoles. The racks shall be mounted in a freestanding cabinet. No prototype equipment shall be offered and all equipment must have at least two (02) years proven field deployment. All equipment shall be to suit the area classification requirements in which they are installed. All outdoor equipment shall be weather proof to IP56 or better. The degree of protection grade for indoor equipment shall be at least IP44. All outdoor junction boxes shall be 316 SS to meet the site environment. All cable entries shall be from the bottom or side of the junction boxes. Cable gland sizes and plugs/stoppers (for unused cable entry holes) shall be in metric and material shall be stainless steel or electro nickel plated brass type of cable gland. All cable glands shall be EEx’d’ certified. All nuts, bolts, washer and screws shall be stainless steel 316. All equipment shall be externally corrosion resistant by choice of inherent materials or by the application of a proven marine paint finish or coating



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All aluminum equipment or field devices used outside of the air-conditioned areas shall be copper free and shall be free of metals such as magnesium, which may cause a spark A minimum life expectancy of 25 years commencing from the date of issue of the commissioning certificate shall be designed for the equipment. All equipment and installations shall comply with IEC 61000 regarding EMC requirements with respect to emission and immunity. PA/GA and PABX telephone system shall have minimum 20% spare pre-wired and tested, up to field devices termination blocks in the cabinet. In addition, 20% spare space and slots shall be provided. All spare positions in racks/slots shall be provided with cover plates. All hardware required for pre-wiring of spare shall be provided by VENDOR. All spare capacity shall be evenly distributed as spare positions over the various cabinets/equipment. Spare terminals shall be provided to terminate all cores/pairs of the field cables. Telecommunication equipment system cabinet shall consider at least 20% of additional cabinet space allocation. 8.2



Cabinets/ Panels and Racks The equipment cabinets shall be 2000 mm height and additional of 100mm plinth x 800mm width x 800mm depth. The panel front shall be sheet steel and shall be selected for flawless and truly flat surfaces, free from tool and clamp marks, scores, burrs and sharp edges on sheeting. All subsequent machining methods shall be selected and applied in a manner to ensure that distortion does not occur. Any stiffeners or instrument supports shall be arranged so as to avoid distortion of the panel surface. Joints between adjacent panel sheets shall be flush on both vertical and horizontal meeting lines. Stiffeners and gussets shall be fitted where necessary to ensure rigidity and proper support. For convenient and efficient handling and transport, the panel shall be provided with removable eyebolts. The design shall permit the lifting and handling of the panel complete with all instruments and fittings. Holes and cutouts on the panel for key switches, indicating lamps; etc. shall be clearly drilled or cut. No gas cutting process shall be employed. All sharp edges shall be removed. Standard structural shapes shall be provided for supporting components, wire ways and accessories. Assembly of panel shall utilize nuts and bolts of adequate size and strength to suit application. Self-tapping screws and pop rivets shall not be used for panel assembly Welded shank bushes and stud screws shall be utilized wherever possible. All nuts, bolts and screws shall be secured with locking washers. VENDOR shall provide separate Protective Earth (PE) and Isolated Telecom Earth (Clean) bars. All cabinet doors shall have lift-off hinges and be lockable with identical keys. The opening angle of the doors shall be at least 180°. The cabinet shall be fitted with removable eyebolts (with a 2.5 safety factor) for lifting purposes. The panels shall be ingress protection to IP44 of IEC 60529, as a minimum. Panels shall be fitted with a plinth from 100mm high x 75mm wide mild steel channel with a minimum of 4 bolt down points, anti-vibration mountings and prepared/finished in line with project painting/coating specification. All equipment racks/cabinets shall conform to the following a) Equipment racks/cabinets shall be rigid enough to allow all sub-units to be extended forward during maintenance operations.



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b) During shipment all sub-units shall be located in position in the equipment racks/ cabinets or removed from the rack/cabinet and packed separately. c) Two or four feeder UPS power supplies with isolators and static switch shall be equipped on each equipment rack/cabinet or console. Suitably rated Miniature Circuit Breaker (MCB) panel shall be located on top of the each rack. d) The cable entry shall be from the top of the rack for cabinets in Telecom Equipment Room and from the bottom of the rack for cabinets in the Instrument Equipment Room. e) Adequate power outlets shall be provisioned on the racks/cabinets for allowing operational and maintenance activities, as well as connecting test tools such as test equipment, etc. f) Each rack/cabinet shall be adequately cooled. Incoming air shall be filtered. Fans shall be redundant and wired to a terminal strip and fed from separate internal supply. Fans shall be mounted with isolators or vibration dampeners to minimize noise. Air dust filters shall be of a replaceable and cleanable type. 0 The temperature inside the racks/cabinets shall not exceed 10 C above the maximum shaded ambient temperature when all internal equipment is energized and fully-loaded. Terminal/distribution box to be supplied by the VENDOR shall be used for all cable entering into the cabinet. Front and rear access for maintenance purpose shall be designed for the racks/cabinets. As such, the racks/cabinets shall be provided with a detachable front door and rear panel. Doors on the racks/cabinets shall be 1800 opening and lockable. All locks shall be unlocked by the use of a common key. This key may be specific to communication equipment. The front doors shall be installed with UV-resistant Plexiglas windows where components located within the panel or cabinet are visible during normal operation. The opening of any door shall not significantly affect the centre of gravity of the racks/cabinets or the stability of the freestanding racks/cabinets. All test and patching points for rack-mounted equipment shall be located at the front of the equipment. The modules mounted in the rack shall be easily removed or changed. VENDOR shall include rack fascia and wiring drawings to indicate the recommended layout of his equipment where rack mounted equipment is required. VENDOR shall provide rack ventilation details. The VENDOR shall ensure that equipment location and positioning do not block or impair equipment ventilation. 8.3



Consoles



8.3.1



Radio Operator Console The Radio Operator Console shall be an integrated workstation and desk, which provides control and user access to all the communication systems. This shall include: i) VHF-FM Marine Remote Control Unit ii) VHF-AM Aeronautical Remote Control Unit iii) UHF-FM Remote Control Unit iv) NDB Monitoring and Remote Control Panel v) Network Management PC vi) INMARSAT Phone vii) PA/GA Access Station viii) PABX Operator Station, Printer/Facsimile, and IP Telephone ix) Hotline telephone x) Meteorological monitor. The VENDOR shall design the console to provide for system safety, system maintainability and system operability. As some of the communication facilities maybe provided by OTHERS, it is the VENDOR’s responsibility to liaise with these third party suppliers to ensure that all equipment is mounted in the console in an ergonomic and aesthetically pleasing manner. The VENDOR shall ensure that the console space is available for mounting all the various facilities.



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The Console shall be designed and be constructed to give a minimum operational life expectancy of 25 years. The console maybe built in a modular manner in order to facilitate during transportation. Each module can be called a bay where each bay shall have a width of 800 mm. The Console shall be free standing and bolted to the base support frame. The VENDOR shall provide proper bolting accessories. The operation surface top of the console shall be finished in a Formica- laminated-type ceramic. Lockable drawers shall be fitted with roller assembly for smooth, noiseless pullingin and out of drawers. The fully assembled Console shall be dust-proof and insect-proof. All metal surfaces shall be treated against corrosion and furnished to the manufacturer’s standard, which shall be specified at the time of quotation. Since access of equipment is through the front, equipment shall be mounted such that they will not impede accessibility during maintenance. The power to the equipment installed in the Console shall be from the platform’s UPS 230 VAC 50 Hz. The VENDOR shall provide terminals for terminating the incoming cables and Miniatures Circuit Breakers (MCB’s) for each equipment. The VENDOR shall provide adequate distribution with MCB isolation to the individual equipment. 8.3.2



CCR Communication Console The Communication Console in the CCR shall be an integrated console, which provides control and user access to the entire communication facility allocated to the CCR. The facilities available from the CCR console shall include: i) VHF-FM Remote Control Unit ii) UHF-FM Remote Control Unit iii) VHF-AM Remote Control Unit iv) INMARSAT phone v) PA/GA Access Station vi) PABX Operator Station, Printer/Facsimile, and IP Telephone vii) Hotline and IP Telephone CONTRACTOR/ DCS supplier shall be responsible to design and provide the mounting of the above facilities in an ergonomic manner so that maintenance and maintenance access for the communication console is achieved. The design, finishing, cabling arrangements, power requirement, etc. within the console shall be consistent with the requirements specified for equipment racks and cabinets.



8.4



Coating and Painting CONTRACTOR shall ensure standard color scheme is adopted for the color of equipment modules, racks and cabinets to be consistent with DCS and other equipment cabinets in their respective rooms. For external installed equipment, painting preparation and finish shall be suitable for environment condition as stated in above section. Surface coating shall be applied. It shall be selected from the marine range of synthetic paint system. The selected coating shall be capable of retaining protection and color status for a period of not less than 25 years. Irregularities such as dent, scratches, grinding marks, weld spatter, distortion, etc. shall be free from surfaces. All such defects shall be rectified before shipment. A surface repair kit for shipment with the equipment for repair of any damage caused during storage and shipment shall be provided by the manufacturers. Stainless steel instruments/ equipment shall not be painted.



8.5



Labeling and Signage All equipment, plant and apparatus shall be clearly labeled. Labels shall be in English. All cards and plug in modules shall be labeled. Their positions in the appropriate rack or frame shall be similarly labeled. Serial numbers shall be given to the cards and modules.



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Reference numbers to circuit components shall be given. The numbers shall be adjacent to the component or shown diagrammatically in the form of grid reference in the relevant handbook. Interchangeable cards and modules shall be given serial numbers. Pin/terminal numbering of cards shall be consistent. The same pin position on all cards shall be used for all power supplies. Engraved nameplates, made of white/black/white phenolic, shall be supplied for the identification of each instrument on both the front and the rear of the panel/cabinet. The VENDOR shall ensure the supply and correct installation of hazardous warning signs wherever these signs apply. 8.6



Antennas and Feeders Antennas to be installed on the platforms shall allow the radio equipment to operate at the highest efficiency. Antennas shall be custom built for each application. They shall be designed to operate under the harsh marine environment as stated in Section 2.0 for long-term trouble free service. Their construction shall be able to withstand the maximum wind force encountered locally during typhoons. The VENDOR shall supply mounting pedestal for VSAT and mounting hardware accessories for the antennas. The antennas shall never be installed in locations requiring the use of a safety harness or scaffolding for access for routine maintenance. They shall not be installed in locations where they can obstruct escape ways or constitute a danger to personnel safety. They shall not hinder the approach and departure operation of helicopters. For each system the lowest practicable Voltage Standing Wave Ratio (VSWR) shall be achieved. Wherever necessary, antenna-tuning units shall be incorporated. All antenna systems shall be compatible to each other. between systems.



There shall be no interference



Where end-fed antennas are used, they shall be earthed with very low impedance. Coaxial feeder cables shall be of low loss construction and matched to their antennas. They shall be rugged and shall be fire-retardant IEC 60332 standard. They shall have high transmission efficiency and long life. CONTRACTOR shall provide fire resistant protection for cables and trays. 8.7



Earthing Communications earthing system shall be dedicated for communications only. All signal earths and equipment safety earths shall be kept separately. Screens shall be continuously screened and effectively earthed at one point for screened cables. Earth loops shall be avoided except for safety earths. Power plugs for any equipment shall be: • •



Earthed before voltage is connected Disconnected from earth after voltage is disconnected



The panel/rack shall be provided with rigidly supported 25 mm x 6 mm copper earthing bar: • •



Telecom Earth Clean earth bar for earthing non-IS screens, etc. Power Earth For electrical supplies and protective earths



Each bar shall have an identification label and provision for connecting two 10- mm bolts for CONTRACTOR’s earthing cables. •



All lighting and surge protection devices shall be grounded to PE







All external antenna coaxial feeder cable screen shall be grounded to PE



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8.8



Radio Frequency Interference In order to minimize radio frequency interference between all active units and other equipment, these units shall be effectively earthed. Static electricity and the consequent RF noise-generated in any rotating machinery shall be reduced. Equipment shall not produce spurious radiation and shall not interfere with other equipment. Interference suppression devices shall be provided for all contacts which frequently open or close. The requirements of the applied specification and standards to prevent communications system from high frequency interference must be complied width when installing electrical equipment, lighting, instrument control devices, communications equipment and laying of power cables.