Addendum no 5 to TD for CP3 EN

Document Clause Original Modified without/less back layering of smoke Therefore, in the without/less back layering of smoke Therefore, in the design standard of road tunnel in Japan, the air flow in design standard of road tunnel in Japan, the air flow in case of fire is regulated to be 2.0 m/s by the ventilation case of fire is regulated to be 2.0 m/s by the ventilation system According to the results of the test and regulation system According to the results of the test and regulation for road tunnel, it was recommended to use 2.0 m/s air for road tunnel, it was recommended to use 2.0 m/s air velocity in the design guideline of subway ventilation velocity in the design guideline of subway ventilation system system After that, it was reviewed by each train operators taking After that, it was reviewed by each train operators taking into consideration the small fire load of subway system into consideration the small fire load of subway system which is basically nonflammable material, compared with which is basically nonflammable material, compared with big fire load in road tunnel After the review and research big fire load in road tunnel After the review and research of each metro operator, many metro operators changed of each metro operator, many metro operators changed their design standard for the required air velocity in tunnel their design standard for the required air velocity in tunnel in case of fire from 2.0 m/s to 1.0 m/s by the following in case of fire from 2.0 m/s to 1.0 m/s by the following reasons reasons (1) The 1.0 m/s air velocity in tunnel is good enough to (1) The 1.0 m/s air velocity in tunnel is good enough to exhaust smoke from rolling stock or cable efficiently and exhaust smoke from rolling stock or cable efficiently and environment for safe evacuation in tunnel is secured environment for safe evacuation in tunnel is secured (2) It will save the cost for ventilation facilities (2) It will save the cost for ventilation facilities In accordance with the regulation and design standard of In accordance with the regulation and design standard of these metro operators in Japan, the tunnel ventilation these metro operators in Japan, The tunnel ventilation system for HCM metro shall have the capacity and system for this Project shall have the capacity and 16/30 Modification of Appendix 16 Document Appendix 16 Clause 3.10.1 (1) of GS Original Modified performance to generate longitudinal air velocity 1.0 m/s performance to generate longitudinal air velocity 1.0 m/s or faster in tunnel in order to secure safe environment for or faster in tunnel in order to secure safe environment for evacuation in case of fire evacuation in case of fire Automatic fire alarm (fire detector) shall be installed in The Package-1 Contractor shall install automatic fire habitable room, power substation, power distribution alarm (fire detector) in habitable room, power substation, station, machinery room, shop, etc Emergency power power distribution station, machinery room, shop, etc (from emergency generator or battery) shall be supplied Emergency power (from emergency generator or battery) to alarm facilities shall be supplied to alarm facilities The information/data from alarm facilities shall be The information/data from alarm facilities shall be transmitted to emergency control room transmitted to emergency control room and Facility SCADA installed by the Package-3 Contractor Both Contractors shall coordinate design for interface Appendix 16 3.10.1 (2) of GS If fire is detected by the passenger or station staff, the If fire is detected by the passenger or station staff, the information could be transmitted to emergency control information could be transmitted to emergency control room by telephone or push button alarm These facilities room by telephone, help point or push button alarm shall be installed in proper places These facilities shall be installed in proper places The information shall be transmitted to OCC via Facility SCADA The Package-3 Contractor shall install Telephone and Facility SCADA The Package-3 Contractor shall install others Both Contractors shall coordinate design for interface Appendix 16 3.10.1 (3) The closed circuit television (CCTV) is not alarm facility in The Package-3 Contractor shall install closed circuit 17/30 Modification of Appendix 16 Document Clause of GS Original Modified itself and it is not regulated to install in station according television (CCTV) in station complying with Part 4of to ministry ordinance of MLIT However, it is effective to particular specification in Vol.4 find fire in early stage Furthermore, it is also effective to monitor other accidents The CCTV is installed in many stations in Japan and it is recommended to install in proper location for the project Appendix 16 3.10.2 (3) of GS In order to help the activity and communication of fire In order to help the activity and communication of fire brigade, the auxiliary wireless communication system brigade, the Package-3 Contractor shall install the shall be installed in subway station and tunnel The auxiliary wireless communication system shall be auxiliary wireless communication system is composed of installed in underground station and tunnel The auxiliary connection terminal, coaxial cable, distributor, leaky wireless communication system is composed of coaxial cable and antenna connection terminal, coaxial cable, distributor, leaky coaxial cable and antenna The requirements of the system are written in Part of Particular Specifications in Vol.4 Appendix 16 3.10.2 (4) of GS The trackside telephone shall be installed as The Package-3 Contractor shall install trackside communication system in tunnel at interval of 250m or telephone shall be installed as communication system in less tunnel at interval of 250m or less The requirements of the system are written in Part of Particular Specifications in Vol.4 Appendix 16 3.10.3 of GS Different evacuation passages (at least two directions) The Package-1 Contractor shall design underground from platform to ground level shall be provided in the station to provide different evacuation passages (at least 18/30 Modification of Appendix 16 Document Clause Original Modified station Two evacuation passages at least shall be two directions) from platform to ground level shall be separated and not be overlapped provided in the station Two evacuation passages at least shall be separated and not be overlapped Appendix 16 3.10.6 (3) of GS Appendix 16 3.10.6 (7) of GS It is preferable to install the inert gas fire extinguisher or It is preferable The Package-1 Contractor shall install the dry chemical extinguisher to the substation, electric room inert gas fire extinguisher or dry chemical extinguisher to and machinery room the substation, electric room and machinery room It shall be discussed with the fire department in Ho Chi The Package-1 Contractor shall obtain necessary Minh City accordance from relevant Authorities including Fire Department The Employer supports the activities Appendix 16 3.10.7 (1) of GS The capacity of the emergency power generator will be The capacity of the emergency power generator will be determined base on the assumption that the fire accident determined base on the assumption that the fire accident is taken place in one station/one place and not taken is taken place in one station/one place and not taken place in two or more stations/places at the same time place in two or more stations/places at the same time There are two cases of the installation of the emergency There are two cases of the installation of the emergency power generator One is to install the emergency power power generator One is to install the emergency power generator separately to each underground station generator separately to each underground station Another case is to install the relatively large emergency Another case is to install the relatively large emergency power generator in the substation, etc to cover some power generator in the substation, etc to cover some underground stations underground stations It is preferable to concentrate the emergency power It is preferable to concentrate the emergency power generator in one or some places to minimize the initial generator in one or some places to minimize the initial and operation cost and the concentrated type are well and operation cost and the concentrated type are well 19/30 Modification of Appendix 16 Document Clause Original Modified used in recent years in Japan used in recent years in Japan The Package-3 Contractor shall install an Emergency Power Generator at Ba Son Station The Generator shall feed emergency power to underground stations in case of power down The requirements are defined in Part of Particular Specification in Vol.4 Appendix 16 3.10.7 (3) of GS There is no regulation for the duration of the emergency There is no regulation for the duration of the emergency power supply in the ordinance of MLIT It is determined by power supply in the ordinance of MLIT It is determined by the each metro operator in Japan The duration of the the each metro operator in Japan The duration of the emergency power supply is different by each company In emergency power supply is different by each company In general, after the experience of the big earthquake general, after the experience of the big earthquake occurred in 1995 at Kobe city, the duration of the occurred in 1995 at Kobe city, the duration of the emergency power supply is tend to be longer than before emergency power supply is tend to be longer than before Taking into account the electric supply condition and Taking into account the electric supply condition and power failure in Vietnam, it is recommended to have power failure in Vietnam, it is recommended to have relatively large capacity of emergency power and supply relatively large capacity of emergency power and supply the power longer, compared with practice in Japan In the power longer, compared with practice in Japan In table 3.9, the duration of the emergency power supply for table 3.9, the duration of the emergency power supply for Ho Chi Minh metro which is considered at present is Ho Chi Minh metro which is considered at present is summarized summarized The Contractors shall design and install emergency power supply longer duration described in Table 3.9 20/30 Modification of Appendix 16 Document Appendix 16 Clause 3.10.8 Original Modified (not in the Original) (The following sentence shall be inserted in the beginning of clause 3.10.8.) of GS The Package-1 Contractor shall provide emergency control room as below Appendix 16 3.10.9 (1) of GS The air tank is used by the station staff to guide fire The air tank is used by the station staff to guide fire brigade and evacuate and rescue the passengers In brigade and evacuate and rescue the passengers The underground stations, the air tank shall be installed and O&M Company shall prepare the air tanks and maintain standby constantly The number of the air tanks in the them as standby constantly in underground stations, the underground station shall be more than the number of the air tank shall be installed and standby constantly The station staffs who will guide fire brigade and rescue the number of the air tanks in the underground station shall passengers be more than the number of the station staffs who will guide fire brigade and rescue the passengers Appendix 16 3.10.9 (2) of GS Appendix 16 3.10.9 (3) of GS The ventilation system shall be installed in the power The Package-1 Contractor shall install ventilation system substation in principle shall be installed in the power substations in principle In order to provide safe evacuation passage to In order to provide safe evacuation passage to passenger, the KIOSK shall not be installed in the vicinity passenger, the KIOSK shall not be installed in the vicinity of stairs, escalator and dead end section of platform The of stairs, escalator and dead end section of platform The KIOSK on the platform shall not be located between the KIOSK on the platform shall not be located between the edge of the platform and entrance of the evacuation edge of the platform and entrance of the evacuation passageway because the KIOSK becomes the obstacle passageway because the KIOSK becomes the obstacle for the evacuation in case of fire from KIOSK for the evacuation in case of fire from KIOSK The Package-1 Contractor and O&M Company shall 21/30 Modification of Appendix 16 Document Clause Original Modified coordinate to make a plan to settle KIOSK Appendix 16 3.10.9 (4) of GS Appendix 16 3.10.9 (6) of GS The emergency plug shall be installed for smooth fire The Package-1 Contractor shall install emergency plug firefighting by fire brigade The horizontal distance from shall be installed for smooth fire firefighting by fire any fire point to the emergency plug shall be less than 50 brigade The horizontal distance from any fire point to the meter emergency plug shall be less than 50 meter In order to ensure the passenger safe and smooth In order to ensure the passenger safe and smooth evacuation to the next station, the structure on the track evacuation to the next station, the Package-3 Contractor bed shall be considered carefully The jut which hampers shall design structure on the track bed shall be the evacuation of the passenger shall not be put on the considered carefully The jut which hampers the sleepers, track bed, slabs, etc and the drainage on the evacuation of the passenger shall not be put on the track shall be covered sleepers, track bed, slabs, etc and the drainage on the track shall be covered Appendix 16 3.10.9 (7) In the design standard of MLIT, the use of small hand car Delete is not regulated but introduced as effective tool for the of GS evacuation of passenger who delays and is handicapped Moreover, it is effective to carry materials and equipments for fire fighting This is effective on viaduct section too Therefore, it is recommended to deploy the small hand car to all stations Appendix 16 3.11 CROSS PASSAGES BETWEEN TUNNELS Delete whole sentences 3.12 CONNECTION WITH UNDERGROUND MALL IN Delete whole sentences? of GS Appendix 16 22/30 Modification of Appendix 16 Document Clause Modified FUTURE of GS Appendix 16 Original CHAPTER of GS FIRE SAFETY MANAGEMENT FOR STATION ON (Whole texts shall be revised with the following.) GROUND LEVEL/ELEVATED SECTION AND DEPOT In Japan, the structure and measures, etc of underground station are regulated by the special law/regulation “the Standard of Fire Safety Management for Subway Station, etc” of MLIT as special structure in Japan On the other hand, the fire safety management of the station on ground level/elevated section and the depot are regulated by the fire service law in Japan The underground floor may exist in the ground level station in some case and the depot is extremely large area Thus, these structures are regulated as special structure in the fire service law in Japan These Japanese regulations are introduced and referred in chapter to select the required facilities and measures for the fire safety management in the elevated station and depot The Contractor shall design and construct facilities for elevated station and depot in accordance with Vietnamese regulations., and the selected facilities and measures according to the Japanese standard shall be adjusted and accorded to the requirement of the Vietnamese standard 23/30 Modification of Appendix 16 Document Clause Original Modified The required facility according to the Japanese standard is summarized in Table 4.2 and 4.3 The detail of the facilities and measures shall be discussed with the fire department of Ho Chi Minh City in future Appendix 16 4.1 Emergency alarm and communication facilities (The title of Clause 4.1 shall be revised as follows.) 4.1 of GS TRAIN OPERATION ON ELEVATED SECTION (The following sentences shall be inserted under Clause 4.1.) The basic principle of the train operation is to drive the train to the next platform of the station when fire happened on the rolling stock at the elevated section It is the procedure as same as that in tunnel When the train stops between stations due to the power failure or other reasons, the passenger will escape from the end of the rolling stock and walk on the track to the next station Appendix 16 4.1.2 of GS 4.1.2 Emergency Alarm System 4.1.2 Emergency Alarm System This is the facility to alarm accident by emergency bell, This is the facility to alarm accident by emergency bell, automatic buzzer or emergency public address The automatic buzzer or emergency public address The emergency alarm system shall be installed to the station emergency alarm system shall be installed to the station or depot if any following condition coincides or depot if any following condition coincides The (1) Handy Loud Speaker, Handy Siren, etc (Depot only) Package-3 Contractor shall install emergency bell, 24/30 Modification of Appendix 16 Document Clause Original Modified The Handy Loud Speaker, Handy Siren, etc shall be emergency siren or public address in station and depot as installed to the room/place if the accommodation capacity below is 20 to 50 persons in the depot (1) Handy Loud Speaker, Handy Siren, etc (Depot only) If there are fire detectors, emergency bells, emergency The Handy Loud Speaker, Handy Siren, etc shall be sirens or public address, this system is not required installed to the room/place if the accommodation capacity (2) Emergency Bell, Emergency Siren or Public Address is 20 to 50 persons in the depot If there are fire detectors, emergency bells, emergency sirens or public address, this system is not required (2) (1) Emergency Bell, Emergency Siren or Public Address (3) (2) Emergency Bell + Public Address or Automatic Siren + Public Address Appendix 16 4.2 4.2 EVACUATION GUIDE 4.2 TRACK STRUCTURE The Package-3 Contractor shall design structure on track of GS bed in accordance with Clause 3.10.9 (6) Appendix 16 4.6 (The following sentence shall be added at the end of of GS Clause 4.6.) The Package-2 Contrator shall confirm water source along the elevated section with the fire department in Ho Chi Minh City Appendix 16 5.1 In case of flood or heavy rain, water stop facilities and The Package-1 Contractor shall install water stop facilities 25/30 Modification of Appendix 16 Document Clause of GS Original Modified drainage shall be installed at subway station and tunnel and drainage to prevent water entering into underground station in case of flood or heavy rain Appendix 16 5.1.1 (1) History of Water Stop for Railway in Japan Delete 5.1.1 (2) Typical Countermeasure for Water Stop Concept of Countermeasure for Water Stop The countermeasures for water stop shall be taken The Package-1 Contractor shall adopt countermeasures according to the condition and location Typical for water stop according to the condition and location as countermeasures are listed in Table 5.1 listed in Table 5.1 Table 5.1 Subway Underground 5.1.1 (3) (3) Countermeasure for Water Stop in the HCM Metro (2) Countermeasure for Water Stop in This Project subway underground 2) Entrance of Tunnel 2) Entrance of Tunnel According to the practices in Japan, the water stop iron According to the practices in Japan, the water stop iron door is installed at the entrance of the tunnel if the river is door is installed at the entrance of the tunnel if the river is located in the vicinity of the tunnel portal and the high located in the vicinity of the tunnel portal and the high water level in case of flood or high tide is higher than the water level in case of flood or high tide is higher than the ground level of the tunnel portal ground level of the tunnel portal In the HCM metro project, the ground level at the In the HCM metro project, the ground level at the connection point between tunnel and elevated section connection point between tunnel and elevated section seems higher than the high water level of the river seems higher than the high water level of the river Therefore, the high retaining wall will be used and be Therefore, the high retaining wall will be used and be of GS Appendix 16 of GS Appendix 16 of GS Appendix 16 of GS Appendix 16 5.1.1 (3) of GS 26/30 Modification of Appendix 16 Document Clause Original Modified good enough to protect water from the flood and high tide good enough to protect water from the flood and high tide of the river The water stop iron door which raises cost of the river The water stop iron door which raises cost and generates complicated structure for the shift of and generates complicated structure for the shift of overhead line equipment is not considered and used at overhead line equipment is not considered and used at present The water stop panel shall be used with the high present The water stop panel shall be used with the high retaining wall retaining wall If the result of the hydro survey is critical, installation and If the result of the hydro survey is critical, installation and use of the water stop iron door should be reviewed and use of the water stop iron door should be reviewed and reconsidered at the entrance of the tunnel reconsidered at the entrance of the tunnel The Package-1 Contractor shall design water stop door at the entrance of the tunnel in coordination with the Package-2 Contractor and Package-3 Contractor based on the hydro survey The Package-1 Contractor shall demonstrate his design to ensure highest flood level in past 300 years The Package-2 Contractor shall design high retaining wall to block highest flood level in past 300 years in coordinate with other Contractors Appendix 16 5.1.2 The drainage and pump shall be installed properly in the The Package-1 Contractor shall install drainage and tunnel and station taking the water leakage from entrance pump shall be installed properly in the tunnel and station of GS and ground into consideration taking the water leakage from entrance and ground into consideration Appendix 16 5.1.3 Principle of the Location of Electrical/Mechanical Facilities Principle of the Location of Electrical/Mechanical Facilities 27/30 Modification of Appendix 16 Document Clause of GS Original Modified in the Subway Station in the Underground Station The locations of the electrical and mechanical facilities in The locations of the electrical and mechanical facilities in the subway station are not regulated by the ordinance of the subway station are not regulated by the ordinance of MLIT If the water enters from the entrance of the subway MLIT If the water enters from the entrance of the subway station or portal (entrance) of the tunnel by the flood or station or portal (entrance) of the tunnel by the flood or high water/tide, there is the probability that the track and high water/tide, there is the probability that the track and platform of the lowest level is flooded in some station platform of the lowest level is flooded in some station In that case, the facilities will be deeply damaged if these In that case, the facilities will be deeply damaged if these facilities are situated at the level of platform and facilities are situated at the level of platform and inundated inundated Therefore, each metro operator in Japan avoids installing Therefore, each metro operator in Japan avoids installing these facilities at the floor of the platform as much as these facilities at the floor of the platform as much as possible In principle, these facilities shall not be located possible In principle, these facilities shall not be located in the platform level which is lower level of the subway in the platform level which is lower level of the station underground station However, it is sometimes difficult to avoid installing the However, it is sometimes When it is hard to avoid facilities in the platform level of the subway station installing the facilities in the platform level of the subway because the land use is constrained by the private land station because the land use is constrained by the private above ground level and the area for the station is limited land above ground level and the area for the station is In case that these facilities have to be installed on the limited In case that these facilities have to be installed on platform level, the measures which protect and stop water the platform level, the measures which block water shall shall be executed For example, the raise of the be executed For example, the raise of the basement and 28/30 Modification of Appendix 16 Document Appendix 16 Clause 5.2.2 of GS Original Modified basement and installation of small water panel/wall installation of small water panel/wall around the facilities around the facilities are effective are effective After the derailment accident of the Uetsu line, each train After the derailment accident of the Uetsu line, each train operator reviewed the regulation in case of strong wind operator reviewed the regulation in case of strong wind According to the reviewed regulation of train operation in According to the reviewed regulation of train operation in Japan, the following measure shall be taken Japan, the following measure shall be taken In order to obtain the wind velocity, the anemometer shall In order to obtain the wind velocity, The Package-3 be installed on the project aliment The data obtained Contractor shall install the anemometers on elevated from anemometer shall be transmitted to the operation section shall be installed on the project aliment The data control center and the following procedure shall be taken obtained from anemometer shall be transmitted to the operation control center and the following procedure shall be taken Appendix 16 5.3 of GS In case of power failure, the operation of train is stopped In case of power failure, the operation of train is stopped in principle If power failure is occurred by the fire in principle If power failure is occurred by the fire accident, the emergency power shall be supplied for one accident, The emergency power shall be supplied in station or equivalent to operate communication system, accordance with Clause 3.10.7 for one station or fans for smoke exhaust and fire fighting pump The UPS equivalent to operate communication system, fans for at station or internal battery shall be supplied to smoke exhaust and fire fighting pump The UPS at station emergency lighting and communication system until the or internal battery shall be supplied to emergency lighting emergency power generator reacts and communication system until the emergency power generator reacts Appendix 16 CHAPTER Deleted 29/30 Modification of Appendix 16 Document Clause Original Modified of GS CHAPTER Deleted Appendix 16 APPENDIX Deleted of GS 16-1 Appendix 16 of GS 30/30 Modification of Appendix 16 ... Arson 200 75 ( 150 ) 1 25 (200) 2 75 ( 350 ) 3 25 (400) Normal Fire - 75 ( 150 ) 1 25 (200) 75 ( 150 ) 1 25 (200) Fire by Arson - 75 ( 150 ) 1 25 (200) 75 ( 150 ) 1 25 (200) Rolling Stock Platform Concourse b Opposite/One... Passenger on Platform A B A B Normal Fire 200 - - 200 200 Fire by Arson 200 75 ( 150 ) 1 25 (200) 2 75 ( 350 ) 3 25 (400) Normal Fire 200 75 ( 150 ) 1 25 (200) 2 75 ( 350 ) 3 25 (400) Fire by Arson 200 75 ( 150 )... *4 Yes No *3 No *5 No *5 No *5 Yes No *1 No *1 No *6 No *6 No *6 Note: Yes: Evacuation shall be considered No: The evacuation is secured from the following reasons *1 Safety of the passenger on