AN TOÀN LAO ĐỘNG TRONG CÔNG TÁC THI CÔNG HẦM

AN TOÀN LAO ĐỘNG TRONG CÔNG TÁC THI CÔNG HẦM Prepared by the ITA Working Group “Health and Safety” and financed by TBG and ITA MỤC LỤC 2.1 2.2 2.2 2.4 3.1 3.2 3.3 3.4 3.5 4.1 4.2 4.3 4.4 4.5 4.6 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 6.1 Dụng cụ cho thợ hầm Xây dựng, lắp đặt hầm Thông gió Ánh sáng Lắp đặt thiết bị điện đường dây dẫn điện Thiết bị thoát hiểm Đường đến nơi làm việc Đường nơi xe rails hoạt động Đường nơi có xe tải hoạt động Vận tải hành khách Vận chuyển giếng thông gió Sử dụng thang Đào đất đá Khoan tay Khoan thiết bị Jumbos Nạp thuốc nổ vào lổ khoan Nổ mìn Đào đất đá máy đào Đào thiết bị Roadheader Chống đỡ ban đầu Đào bóc vỏ Đào bóc thủ công Lắp đặt lưới thép Lắp đặt vòm Lắp đặt bu lông neo đá Phun bê tông Điều khiển phun bê tông Phun bê tông (quy trình khô) Bảo trì dụng cụ/thiết bị phun bê tông Dời vật chướng ngại Vận chuyển Bốc xếp đất đào 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 7.1 7.2 7.3 8.1 8.2 8.3 8.4 8.5 9.1 9.2 10 10.1 10.2 Đi lại qua khu vực thi công Lái xe qua mép hố đào Xoay đầu xe hầm Lùi xe hầm Khu vực hẹp nơi sử dụng phương tiện xe rail Vận chuyển băng tải Vận chuyển băng tải (tại vị trí chuyển vật liệu) Vận chuyển giếng hầm (vận chuyển vật liệu đào) Vận chuyển giếng hầm (hàng hóa) Lớp lót sau Lắp đặt cốt thép Di chuyển cốt pha Làm việc cốt pha hầm TBM-Work (Tunnel Boring Machine) Bảo dưỡng hoàn thiện mặt hầm Máy lắp neo Điều khiển/hướng dẫn xe kéo thi công hầm Lắp võ hầm (hầm lớn) Lắp võ hầm (hầm nhỏ) Những chất độc khí để thở Khí thải từ động diesel Chất thải từ bụi Sơ cứu Trình tự cứu nạn Trình tự cứu nạn 74 76 78 80 82 84 86 88 90 92 94 96 98 100 102 104 106 108 110 112 114 116 118 120 122 The Tunneller’s Equipment 1.1 Personal Safety Outfit • hard hat • safety shoes (boots) • gloves • protective clothing • other personnel protective equipment (depending on working process) 1.2 Personal Safety Outfit • eye protection • hard hat • respiratory protection • gloves • ear muffs • ear plugs • safety boots 1.3 Personal Safety Outfit 10 11 • waterproof clothing • self rescuer • reflecting warning vest • hard hat for shotcreting • hand lamp • cap lamp 12 Tunnel Installations 13 2.1 14 Ventilation • sufficient ventilation • test and measure at regular intervals • avoid re-circulation from the portal Ventilation Fresh air ducts • extend close to the working face • avoid kinks • repair any damage immediately 15 2.2 Lighting 16 17 • light all places of work and access ways • install special lighting at dangerous places • use flashing warning lights adjacent to dangerous locations • all light fittings should be protected against ingress of water • check, maintain and clean lighting installations regularly • safety lighting system (emergency lighting) 7.3 98 Danger • tipping over and falling • noise resulting from the external vibrator • unsafe access and working places Working in the Tunnel Formwork Protection • keep the access ways clear of all loose material • maintain working place in good order • wear hearing protection when pouring concrete 99 100 TBM-Work 101 8.1 102 Danger • falling • drowning in bentonite • collapse of excavated face Maintenance of a Full Face Tunneling Machine Protection • use the platform provided by manufacturer • driving up of sheeting plates at workface should be made hydraulically where required • working face should be set under compressed air 103 8.2 104 Danger • cave-in and rock fall • falling Installing Anchors in TBM Tunnels Protection • provide safe, defined working place • not enter danger zone operator 105 8.3 106 Danger • being crushed • being struck Driving / Heading in Tracked Tunnels Protection • track operation should be stopped when works are carried out • use gates or signalling system (stoplights) • driver cabs at both ends of train 107 8.4 108 Danger • falling • being crushed Installing Segments (big tunnel) Protection • provide safe, defined working place, use platform • not enter danger zone when segments are being put in place • maintain eye / visual contact with segment erector operator 109 8.5 110 Danger • being crushed • being knocked down Installing Segments (small tunnel) Protection • not enter danger zone when segments are being put in place • maintain eye / visual contact with segment erector operator 111 112 Toxic Substances in the Breathing Air 113 9.1 114 Danger • diesel engine exhaust gas Diesel Motor Emissions Protection • equip machinery with particle filters • use low emission diesel engine • not let the engine running unnecessarily • provide sufficient ventilation 115 9.2 116 Danger • harmful dust (silicosis, black lungs, other lung damage) Dust Emission Danger • provide sufficient extraction ventilation • exhaust dusts • wet dusty areas • use appropriate respiratory protection 117 10 118 First Aid 119 10.1 Rescue Chain 120 121 On-the-spot-measures (on principle: not move injured person unless in further danger) Emergency call 10.2 Rescue Chain 122 123 First Aid (if casualty unconscious turn head to side to prevent suffocation) Transport to medical centre Picture Proof Front page ARGE Engelberg-Basistunnel Züblin, Bilfinger+Berger, Hochtief, Baresel, Wayss & Freytag, Wolff & Müller Last page ARGE Pumpspeicherwerk Goldisthal Walter Bau vereinigt mit DYWIDAG, Züblin, STRABAG Page 4: Geodata Page 12: Walter Bau AG Page 22: Philipp Holzmann AG Page 34: ARGE Rennsteig Tunnel Page 48: Vereina Tunnel Page 70: ARGE Rennsteig Tunnel Page 92: Walter Bau AG Page 100: ARGE 4te Röhre Elbtunnel Herrenknecht AG Page 112: ARGE Rennsteig Tunnel Page 118: ICE Tunnel Idstein Acknowledgement 124 ITA would like to thank the German TBG and all the members of working group n° for their tremendous work, Dr Martin Herrenknecht of Herrenknecht AG, Mr Klaus Langendorf of Liebherr Hydraulikbagger GmbH, Mr Karl-Heinz Wennmohs of Atlas Copco MCT GmbH for their support in the graphical design of this booklet [...]... provide self-rescuers in sufficient number and size 3 22 Walkways to Working Places 23 3.1 24 Danger • being struck Walkways with Non-rail Operation Protection • separate paths for vehicles and pedestrians • install guard rails alongside the pedestrian path • maintain the vehicle path surface and wet it to reduce dust 25 3.2 26 Danger • being struck • slipping and tripping hazards Walkways with Track... 61 5.7 62 Danger • being crushed • rebound • dust • burst of concrete hose Spraying Manipulator Protection • do not enter the danger zone • distance between nozzle and wall ≤ 1,5 m • wear shotcrete protective helmet • wear respiratory protection • wet mix concrete with alkali free additive to reduce dust and atmospheric pollution 63 5.8 64 Danger • dust containing quartz (silicosis) • skin and eye irritation... material Transport in Shafts Protection • install safety hoops and intermediate landings • do not overload skip • use either stair tower (diagonal ladderways) or personnel lift • do not carry heavy items 31 3.5 32 Danger • falling Access and Work Places on Ladders Protection • remove damaged ladders from site • put both feet on the rung and do not reach over too far while working • do only simple and close... Excavation 35 4.1 36 Danger • slipping and falling • dust, noise Manual Drilling Protection • adopt safe working position - worker as well as drilling tool • wet drilling • wear hearing and eye protection 37 4.2 38 Danger • being knocked over, being crushed, being struck • rock fall • dust, noise Jumbos Protection • keep away from danger area • wet drilling • wear hearing protection 39 4.3 40 Danger • accidental... Protection • separate path for vehicles and pedestrians • put locos at the ends • provide a video monitoring system to observe ahead of train when pushing • in longer tunnels use rail personnel carriers 27 3.3 28 Danger • falling • being struck Passenger Transport Protection • do not ride on equipment • provide and use suitable vehicles for passenger transport 29 3.4 30 Danger • falling from the ladder •... system 65 5.9 66 Danger • crushed limbs as a result of the machine being unintentionally switched on • skin and eye irritation resulting from the spillage of accelerator containing alkali Maintenance of Shotcrete Plant / Equipment Protection • clean the equipment with high pressure water jet • machine must be switched off when cleaning inside it • use alkali-free accelerator 67 5.10 68 Danger • injury...2.3 Electrical Installations and Supply Lines 18 19 • all electrical installations to be set, modified and repaired by qualified electricians; (work on high voltage network [transmission or power lines] only permitted with a special authorisation) • adhere to national requirements • use earth fault circuit breaker ≤ 30 mA • support cables and pipelines securely on brackets against risks... enter machine danger zone • light the working area adequately 47 5 48 Primary Support 49 5.1 50 Danger • rock fall • collapse resulting from the instability of the exposed rock faces Scaling Protection • use a machine for rock scaling • do not enter the danger zone before scaling completed • light the working area adequately 51 5.2 52 Danger • rock fall • falling from heights • being crushed Manual Scaling... according to its intended use • do not enter the danger zone 57 5.5 58 Danger • falling from heights • noise Setting Rock Bolts Protection • use working baskets of jumbo • wear eye and hearing protection 59 5.6 60 Danger • falling from heights • rebound • dust • chemical additives Shotcreting Protection • use working baskets • use protective clothing • use shotcrete robot where possible • wear protective hard... container or blasting shelter) after blasting • in small tunnels the protective shelter can be installed in a niche 43 4.5 44 Danger • being crushed • being run over Excavation with Excavator Protection • do not enter danger zone • light the working area adequately • use acoustic signal when driving backwards 45 4.6 46 Danger • dust containing quartz (silicosis) • being crushed • being run over • flying ... chuyển giếng thông gió Sử dụng thang Đào đất đá Khoan tay Khoan thi t bị Jumbos Nạp thuốc nổ vào lổ khoan Nổ mìn Đào đất đá máy đào Đào thi t bị Roadheader Chống đỡ ban đầu Đào bóc vỏ Đào bóc thủ... repair any damage immediately 15 2.2 Lighting 16 17 • light all places of work and access ways • install special lighting at dangerous places • use flashing warning lights adjacent to dangerous... sufficient number and size 22 Walkways to Working Places 23 3.1 24 Danger • being struck Walkways with Non-rail Operation Protection • separate paths for vehicles and pedestrians • install guard