VIET NAM ELECTRIC COPORATION TRUNG SON HYROPOWER PROJECT MANAGEMENT UNIT E2248 v1 PLANNING ON ENVIRONMENT MANAGEMENT FOR BRIDGES AND ACCESS ROAD TO TRUNG SON DAM ROAD INTO DAM INFORMATION PAGE 1.1 - IESE - 2008 HA NOI CIVIL ENGINEERING UNIVERSITY INTITUTE OF ENVIRONMENT SCIENTIFIC ENGINEERING (IESE) Co Luong u dir Cha n tio ai ec M stream Starting point of project 200 am g Hun Quy en Tan tre as Cai stream 100 Th Xi anh Ma lage i on vil e U E n v illag Pu stream ng Huo 71 Tan Qua nH ne oa d ommu irec Son c tion T hanh hanh Son T ã gM ub Sôn Tru e ng lag Th anh vil ng c om C hie mu ne B Co Me am stre Pao ne ommu Bo v illage Po stream Son c T rung h Tan illag e T han v Pao e ub 82 M Co 100 m da h Yen n com on 83 T han h So gS T han un Chien g 81 Tr village En Tru din gp ng oin Th anh to com fp mu roj ne ec t Co Me Co Luong DESIGN STATUS - INTERSECTION IS IN RESIDENT - CENTER OF INTERSECTION IS HIGHEST ELEVATION, DIRECTIONS TO INTERSECTION IS UP SLOPE - SECTION FROM INTERSECTION TO CO LUONG BRIDGE, THERE IS HIGH EXCAVATION SLOPE ANALYSIS AND ASSESSMENT 4 - DUE TO DISADVANTAGE OF POTOGRAPHY SUCH AS: DIRECTIONS TO 3 INTERSECTION IS HIGH UP SLOPE, ANGLE AND RADIUS CURVLE 2 D1 10 BETWEEN CO LUONG - MAI CHAU AND CO LUONG - CO ME IS SMALL IT 1 9 1 2 3 LIMIT LIE OF VISION SPECAIL VEHICLE FROM SAID DIRECTIONS. 4 5 7 D1 8 - PROJECT AREA IS IN MOUNTAIN AND NEAR RIVER BANK SO THAT DAY TIME IS SHORT AND ALWAY CLOUDY AND FOGGY AT EARLY MORNING AND NIGHT TIME TO MORE LIMIT LINE OF VISION THAT OF SOHORT. THUS, INTERSECTION AREA MUST SUPPLY LIGHTING SYSTEM PROPER, LIGHTING HAS FUNCTION TO LIMIT EFFECT OF FOGGY - HOUSE IN THIS AREA IN NEAR BY ROAD AND ALMOST OF THEM IS USING FRONT TO SUPPLY SERVICES. IT COULD BE FORESEEN THAT MATERS NEED TO BE PAID ATTENTION WHEN ROAD COMPLETION, INTERSECTION AREA MAY BE CAR STOP THAT MAKING TRAFFIC OBSTACLE. THUS, IN DESIGN, IT NEED GIVE - LAND RECLAIM. SOLUTION TO PREVENT THE ABOVE STATUS - CONSOLIDATION SLOPE OS APROACH ROAD - DISTANT OF VISION LINE - SECTION FROM INTERSECTION TO CO LUONG BRIDGE, EXCAVATION - TRAFFIC ARRANGEMENT SLOPE AT RIGHT SIDE IS HIGH, THAT NEED GIVE SOLUTION FOR SLOPE - LIGHTING STABLE - SIGN BOARD AND ROAD SURFACE PAINTING - CONSTRUCTION METHOD PLAN OF ARRANGEMENT TRAFFIC SAFETY SYSTEM DESIGN SOLUTION - SETTING WARNING, SIGN BOARD, SPEED LIMIT, STRICT PARKING, STOP BOARD IN INTERSECTION AREA, CONVEX BALL MIRROR TO SUPPORT VISION LINE - SETTING SPEED DOWN EDGE AT STARTING POINT OF INTERSECTION - PAINTING MARK AND DIVISION LANE IS USING REFLECTED LIGHT PAINT - COMPACT LIGHT IS YELOW LIGHTING FOR AGAINST FOGGY AND CLEAR BRUSH TREE IN INTERSECTION AREA - SEETING WAVE CORRUGATED IRON AT ABYSS SIDE AND LIMITED VISION POINT FOR SAFETY AND PREVENT VEHICLE FREE IN AND OUT INTERSECTION FROM LOCAL HOUSE - MAKING STEP ON SLOPE SURFACE AND CONSOLIDATION SLOPE SURFACE BY WET MASONRY MORTAR STONE FOR EXCAVATION SLOPE IN SECTION FROM INTERSECTION TO CO LUONG BRIDGE (SEEING DETAIL STRUCTURE IN PLAN AND CONSTRUCTION DRAWNING) ATTENTION MATERS IN CONSTRUCTION STAGE - ENSURING PROPER COMPENSATION AND QUICK LAND ACQUISITION TO MAKE ADVANTAGE FOR CONSTRUCTION (SEEING REPORT ON LAND ACQUISITION - RESETTLMENT) - PROPER CONSTRUCTION ARRANGEMENT AND WORKING TIME TO MINIMIZE TRAFFIC OBSTACLE. - STRICT FOLLOWING REGULATIONS ON WORKING SAFETY, ENVIRONMENT SANITATION. DISPOSAL WASTE, SURPLUS SOIL, STONE AND MATERIAL AS AGREEMENT WITH LOACL AUTHORITIES - SETTING TEMPORARY PROTECTION DROPPING SOIL-STONE NET TO ENSURE LOCAL PEOPLE ASSETS DURING EXCAVATION SLOPE - QUICK RESTORE SOCIAL PUBLIC WORK (IF TO BE EFFECT) TO ENSURE NORMAL DAILY ACTIVITIES OF LOCAL PEOPLE ATTENTION MATERS IN CO LUONG BRIDGE AREA DESIGN SOLUTION - CO LUONG BRIDGE UNDER TRUNG SON HYDROPOWER PLANT PROJECT PASS XIA STREAM IN AREA OF VAM MAI COMMUNE - MAI CHAU DISTRICT - HOA BINH PROVINCE - CO LUONG BRIDGE IS 4 SPAN L=33M, BRIDGE WIDE IS 8 M, TOTAL LENGTH OF BIDGE BETWEEN 2 ABUTMENT IS 142.25 M - WITH THIS DESIGN, IT ENSURE OF BOATING APERTURE AND DISTANT HEIGHT WHEN FLOOD. - APROACH ROAD CONNECTS WITH NATION ROAD NO.15A, SO THAT TRAFFIC SAFETY MATER SHOULD BE PUT IN FIRST RANKING L E ATTENTION MATERS IA SIT AND MINIMIZING MEASUREMENTS ER ON AT ATI M C I - WATER VOLUME OF FLOW IN THIS AREA IS QUITE BR LARGE, SPECIAL IN RAIN REASON. THUS, EROSION OF FA ABUTMENT NEED CAREFULLY CALCULATE AND CHECK. TO MINIMIZE EROSION, IT RECOMEND TO USE 36.0m SOLID CONCRETE ABUTMENT AND BORE PILE FOR FOUNDATION - SETTING SIGNBOARD, PAINTING, SPEED DOWN EDGE SYSTEM SPECAIL FOR CONJUNCTION WITH NATION ROAD NO.15A. TO ENSURE SAFETY FOR TRANSPORTATION MEANS IN AND OUT CONSTRUCTION SITE, SUPPLYING SUFFICIENCE LIGHTING SYSTEM ON BRIDGE - AREA OF ABUTMENT (FOOTING), IT NEED CONSOLIDATE WITH WET MASONRY MORTAR STONE TO STABLE THIS AREA. APROACH ROAD AREA, EMBANKMENT SLOPE NEED CONSOLIDATE WITH WET MASONRY MORTAR STONE OR DRY STONE PAVEMENT TO STABLE SLOPE - FOR FABRICATION AREA IS NEAR BRIDGE CONSTRUCTION SITE, IT'S ADVANTAGE FOR TRANSPORTATION AND CONSTRUCTION OF BRIDGE. HOWEVER, IT'S ALSO NEAR OLD ROAD LINE FROM CO LUONG TO CO ME, SO THAT IT WILL EFFECT OT TRANSPORTATION MEANS PASSING HERE DURING CONSTRUCTION PERIOD. IT'S ALSO PAY ATTENTION ON WASTE TREAMENT IN CONSTRUCTION STAGE. THUS, IT NEED APPLY METHODS TO TRAFFIC SAFETY AND WASTE TREATMENT MATERS AS FOLLOWS: + PUBLIC INFORMATION CONSTRUCTION SITE TO LOCAL PEOPLE AND AUTHORITIES + SUPPLYING COVER SYSTEM TO PREVENT SOIL AND STONE OVERFLOW ON ROAD + RESTRICTION PUT CONSTRUCTION WASTE IN TO ATTENTION MATER DURING CONSTRUCTION PERIOD RIVER/STREAM. THEY MUST BE TRNASPORTED TO DISPOSAL SITE THAT AGREEMENT WITH LOCAL - SATISFACTION COMPENSATION AND QUICK LAND ACQUISISTION TO TAKE AUTHORITIES. ADVANTAGE FOR CONSTRUCTION CONTRACTORS (SEE REPORTING DOUMENT OF + CONSTRUCTION SITE IS NEAR RESIDENT, SO THAT IT CONSULTANT ON LAND RECLAIM AND RESETTLEMENT) NEED TRAIN ACKNOWLEGE OF WORKERS IN TAKING - CONSTRUCTION SITE IS NEAR CO LUONG CONJUNCTION, THERE IS HEAVY FRIENDLY RELATION WITH LOCAL PEOPLE AND TO TRAFFIC AREA, THUS, IT NEED SET APPROCIATE CONSTRUCTION ARRANGEMENT MINIMIZE EFFECT TO DAILY ACTIVE HABIT OF THEM AND WORKING TIME TO PREVENT OF TRAFFIC JAM. + RESTORE PLAN AND GREEN COVER AFTER - CONSTRUCTION WASTE IS RESTRICTED TO PUT INTO STREAM, THEY MUST BE COMPLETION CONSTRUCTION TRANSPORTED TO DISPOSAL SITE THAT IS AGREED WITH LOCAL AUTHORITIES - AFTER CONSTRUCTION STAGE, IT NEED RESTORE PALN AND GREEN COVER TRAFFIC SAFETY AT APROACH ROAD SECTION OF CO LUONG BRIDGE ON - IT'S NECCESSARY PAY ATTENTION ON TRAFFIC SAFETY AND TAKE TI EC ADVANTAGE FOR TRANSPORT MEANS PASS THIS BRIDGE R - DUE TO ROAD LINE FOLLOWING MOUNTAIN SLOPE AND AVOID DI PASSING RESIDENT, SO THAT THERE IS CONSEQUENCY BENDY IN THIS E M SECTION CO - ROAD PASS DON VILLAGE AND MANY HOUSES ON ROAD SIDES - DUE TO HABIT OF DAILY ACTIVITIES, LOCAL PEOPLE ALWAY STORE MATERIAL AT ROAD SIDES, THAT MAKE TRAFFIC DIFFICULTY SOLUTION - SEETING WARNING AND SIGNBOARD AT STARTING OF BENDY AND RESIDENT AREA FOLLOWING VIET NAM ROAD SIGN BOARD REGULATION - SETTING SPEED LIMIT SIGN BOARD, SPEED DOWN EDGE AT BOTH SIDES OF RESIDENT; SEETING WAVE CORRUGATED IRON RAIL AT R1.5000 LOCATIONS THAT OF DEEP LOWER SLOPE CTION NG DIRE SAFETY DURING CONSTRUCTION STAGE LEGEND - THERE ARE MANY HOUSEHOLDS IS OUT OF LAND RECLAIM CO LUO BOUNDARY, BUTS THEY ARE NEAR BY CONSTRUCTION SITE AND AT DRAINAGE CULVERT LOWER POSITION. THUS, DURING CONSTRUCTION STAGE IT NEED OLD ROAD APPLY METHODS TO ENSURE SAFETY FOR THE HOUSEHOLDS SUCH AS: INFORM LOCAL PEOPLE ON CONSTRUCTION SCHEDULE, PROPER CONSTRUCTION METHOD, MAKING FENCE FOR RETAINING SOIL AND ELECTRIC POLE CENTERLINE OF STONE COME TO PRIVATE LAND ... NEW ROAD 81 126 126 53 LAND RECLAIM BOUNDARY N TIO 17 EC 89 DIR TC8 127 51 125 ME CO KM1+0.00 89 60 127 127 127 50 P8 21 60 26 127 127 50 127 96 21 TD8 127 126 96 73 126 25 124 07 73 126 24 124 07 126 38 23 125 38 79 125 H9 124 ANALYSIS AND SOLUTION FOR ENVIRONMENT PROTECTION - NEW ROAD LINE IS NEAR BY OLD ROAD AND PASSING DON VILLAGE - VAN MAI COMMUNE- MAI CHAU DISTRICT- HOA BINH PROVINCE 124 52 - POPULATION IS SPREADING ROAD SIDES. THERE IS NO DRAINAGE WORK AND 22 DOMESTIC WASTE WATER TREATMENT FOR RESIDENT ALONG ROAD SO THAT 123 DOMESTIC WASTE WATER AND BREADING IS DIRECTLY DISCHARGED TO ROAD. IT'S MAIN REASON TO MAKE ENVIRONMENT POLUTION AND WET ROAD SURFACE AND DISTROY ROAD FOUNDATION 52 123 - TO MINIMIZE THE SAID ABOVE PROBLEMS, THE FOLLOWING SOLUTIONS IS 89 RECOMENDED 122 21 + SUPPLYING SUFFICIENT DRAINAGE WORKS 67 + CONSOLIDATION SIDES DITCH FOR GOOD DRAINAGE OF ROAD FOUNDATION. + COORDINATION WITH LOCAL AUTHORITIES IN GROWNDING UP KNOWLEDGE OF 89 20 LOCAL PEOPLE ON ENVIRONMENT PROTECTION AND CONSTRUCTION WASTE 122 DISPOSAL SITE (CONSTRUCTION AND DOMESTIC WASTE) PROPER WITH EXISTING 122 35 TOPOGRAPHY TC7 67 123 122 37 19 35 124 123 92 37 P7 123 124 CONSOLIDATION SOILD DITCH - TRAPEZIUM CONSOLIDATION SOILD DITCH - TRIANGLE Follow slope degree of excavation or embankment slope 1 /m /m 120 Road shoulder 1 1 32 80 40 98 ECTION 92 H8 122 1/ 1/ 1 n 1 /m 40 40 1 59 98 NG DIR TD7 120 122 WET MASONRY STONE WET MASONRY STONE MORTAR GRADE #100 KM0+766.93 MORTAR GRADE #100 THICK 25 cm 40 40 40 THICK 25 cm 120 C O L UO 59 120 03 18 119 33 125 99 123 LAND RECLAIM BOUNDARY 05 P11 124 DESIGN SOLUTION FOR DRAINAGE CULVERT 125 - DUE TO ROAD LINE ON SLOPE, IT NEED PAY ATTENTION ON DRAINAGE ON 10 OF ROAD SURFACE 08 TI EC - CROSSING DRAINAGE ALMOST IS DESIGNED AS REINFORCEMENT 124 123 9 CONCRETE SEWER PIPE (OTHER ALTERNATIVE DESIGN OF BOX CULVERT R DI OR BRIDGE THAT IS SAID IN OTHER PAGE) IN SLOPE. THUS FOUNDATION 60 62 OF SEWER IS ON LEVELING CRUSHED STONE AND BED OF THEM TO BE E M MADE STEP FOR PREVENT OF SLIDING 122 119 8 CO 48 - DESIGN SEWER THAT FLOW REGIME AND WORK LIFE APPROPRIATE WITH H3 122 TOPOGRAPHY. 63 21 124 TD11 126 77 125 68 TYPICAL LONGTUDINAL OF REINFORCEMENT CONCRETE SEWER PIPE 125 7 08 76 124 Dry s tone thick 16cm Crushed s tone thick 10Cm 125 6 1/1.50 62 119 1/1 1/1.50 48 Wet mas onry s tone mortar 122 grade #75 thic k 25Cm 59 Crushed s tone thick 10Cm TC10 125 126 21 Dry s tone thick 16cm Wet mas onry s tone mortar grade #100 Crushed s tone thick 10Cm Crushed s tone thick 10Cm 2 51 68 125 125 5 Wet mas onry s tone mortar grade #75 thick 25Cm Crushed s tone thick 10Cm 49 Dry s tone P10 76 Crushed s tone thick 10Cm 125 125 Wet mas onry s tone mortar grade #100 5 63 Crushed s tone thick 10Cm 63 125 4 59 79 08 TD10 125 126126 51 H2 125 49 125 83 123 3 63 125 79 08 28 126 126 119 2 83 44 123 2A 118 34 2B 117 28 70 119 2C 119 45 TC9 121 44 118 34 117 86 ECTION TECHNICAL SPECIFICATION DESIGN FOR REINFORCEMENT CONCRETE H1 70 122 SEWER PIPE 65 119 * SEWER PIPE IS DESIGNED FIXATIVE AS BELOW SPECIFICATIONS P9 125 - REINFORCEMENT CONCRETE GRADE #200, AS FIXATIVE DESIGN NG DIR 533-01-01 FROM TRANSPORTATION TECHNICAL SCIENTIC INSTITUTE 81 45 - FOUNDATION OD SEWER IS WET MASONRY STONE MORTAR GRADE 1A 126 121 #100 ON CRUSHED STONE LEVELING AS FIXATIVE DESIGN 533-01-01 FROM TRANSPORTATION TECHNICAL SCIENTIC INSTITUTE C O L UO 53 - INLET IS CONSTRUCTED BY WET MASONRY STONE MORTAR GRADE TD9 #100 AS FIXATIVE DESIGN 78-02X FROM TRANSPORTATION TECHNICAL 126 86 SCIENTIC INSTITUTE 122 - CONSOLIDATION OUTLET BY WET MASONRY STONE MORTAR 65 GRADE #75 125 81 105 CO ME DIRECTION 88 LAND RECLAIM BOUNDARY 107 TD14A 84 H7A 111 84 111 21 4A 21 112 112 08 08 3A 112 112 82 82 2A1 112 112 TC13A 86 86 112 112 31 31 1A1 109 109 03 03 P13A 110 110 00 NATURE ENVIRONMENT 00 H6A 112 112 - NEW ROAD LINE IS ON SLOPE THAT SEPARATING OLD ROAD. TUYN MI 62 TD13A 62 ÐI TRÊN SN DC TÁCH RI TUYN C. FLORISTIC COMPOSITION IS 112 112 BRUSH TREE AND UNCOVERED MOUNTAIN-HILL. - IN THIS SECTION, SLOPE IS UNCOVERED DUE TO EXPLOIT AND BREEDING 67 67 ACTIONS THAT BIG TREE HAVING EFFECT OF PREVENTING SURFACE 19A 114 114 EROSION IS DISAPPEARED. THUS, RISK OF EROSION AND SLIDING SLOPE IS HIGH. IT RECOMMEND GRASSING ON SURFACE OF EXCAVATION AND EMBANKMENT SLOPE TO MINIMIZE EROSION AND SEDIMENT OF DRAINAGE WORKS. 01 - ROAD CONSTRUCTION ACTIVITIES WILL EFFECT TO NATURE 01 ENVIRONMENT. THUS AFTER CONSTRUCTION COMPLETION IT NEED 119 19 119 RESTORE FLORISTIC COMPOSITION OF EFFECTED AREA 85 85 119 18 119 05 05 119 TC12 119 03 03 120 17 120 09 09 118 H5 118 97 117 16 117 27 27 118 P12 118 N 97 IO CT 97 118 RE 15 118 DI 38 G N UO 119 38 L 14 119 CO 65 124 NOTE: E M LAND RECLAIM BOUNDARY CO ROAD LINE PASS DON VILLAGE -VAN MAI COMMUNE - MAI STATUS 71 14 CHAU DISTRICT. BASED ON - SECTION FROM Km1+886-:-Km1+922, AT LEFT SIDE,THERE IS HIGH TC16A ANALYSIS AND ASSESSNEMT, 97 98 14 SLOPE DEGREE 71 98 RECOMENDATION SOLUTIONS 97 FOR MINIMIZE TRAFFIC - THERE IS SOME HOUSEHOLDS CLOSE NEARBY ROAD LINE AND ACIDENT AND ENVIRONMENT INBOUNDARY OF LAND RECLAIM 11 11 16A PROTECTION IS SIMILAR AS SOLUTION FOR MINIMIZE EFFECT 97 97 SECTION OF PASSING THANH YEN VILLAGE-THANH 80 - CONSTRUCTION RETAINING WALL AND STONE PAVEMENT LOWER 80 P16A SONCOMMUNE-QUAN HOA 94 SLOPE TO STABLE FOUNDATION, REDUCE EMBANKMENT VOLUME DISTRICT 94 AND AREA OF RECLAIM LAND FOR MINIMIZING LAND ACQUISITION 71 AND RESETTLMENT IN THIS SECTION 71 94 - APPLYING COMPENSATION AND RESETTLMENT POLICY 15A 94 FOLLOWING STATE REGULATION AND PROPER WITH WISHNESS OF 05 EFFECTED HOUSEHOLDS TD16A 05 95 95 85 85 95 14A TYPICAL CROSS SECTION OF RETAINING WALL AND SLOPE STONE 95 PAVEMENT 07 Wet masonry stone mortar grade #100 thick 25cm 97 07 13A Crushed stone thick 10cm 97 1/1.50 72 Concrete grade #150 97 72 H9A 97 18 98 18 12A 98 03 99 TC15A 03 5/1 99 01 100 01 Soil embankment K=95 11A 100 76 Wet hole 100 76 P15A 5/1 100 30 Crushed stone 101 30 Concrete grade #100 10A 101 93 29 100 101 TD15A 29 Wet masonry stone mortar grade #100 100 101 93 9A 98 102 98 8A 102 TECHNICAL DESIGN SPECIFICATION FOR RETAINING WALL 07 * RETAINING WALL IS DESIGNED AS FIXACTIVE 86-06 FROM T 104 RANSPORTATION TECHNICAL SCIENTIC INSTITUTE AND 07 SPECIFICATION AS BELOW H8A 104 - LOAD DESIGN IS H30-XB80. LIVE LOAD IS 1M FROM WALL EDGE - INTERNAL ANGLE OF EMBANKMENT SOIL IS IN STANDARD 35, 55 SPECIFICATION GRAVITY IS IN STANDARD G=1.8 T/M3 104 - STRENGTHEN OF BED SOIL IS R=2KG/CM2 55 7A - WALL BODY IS WET MASONRY STONE MORTAR GRADE #100, TOP OF DIRECTION 104 WALL IS CONCRETE GRADE #150 - STONE FOR WET MASONRY AND CONCRETE STRENGTHEN AT 90 ABSORBED OF WATER IS NOT LESS THAN 400KG/CM2 104 TC14A 90 - TRENGTHEN OF CEMENT FOR CONCRETE AND MORTAR AT 28 DAYS 104 IS NOT LESS THAN 200KG/CM2 CO LUONG 13 105 13 105 34 105 08 H3A N 95 IO CT TC19A 19 RE 95 I D ME 06 CO 11A 97 63 P19A 96 97 10A 96 TD19A 78 97 16 9A 98 90 H2A 97 61 BOUNDARY OF LAND RECLAIM 8A 98 TC18A 86 ANALYSIS AND SOLUTIONS TO CARE 98 PUBLIC HEALTH STATUS 85 7A 99 - NEW ROAD LINE IS SAME OLD ROAD THAT PASSING LA DIEN VILLAGE-VAN MAI COMMUNE (FROM KM 1+700 TO KM 2+500) 73 P18A - RESIDENT HERE IS MAINLY THAI AND MUONG ETHNIC CONCENTRATING ROAD SIDES 97 - DOMESTIC WASTE WATER AND BREEDING WATER IS 47 DIRRECTLY DISCHARGED IN TO ROAD 6A 97 - ROAD EDGE AND SIDE DITCH ARE ALWAY USED FOR STORING MATERIAL OF LOCAL PEOPLE TD18A 43 - NEW ROAD LINE IS SAME OLD ROAD 97 SOLUTION 46 - LAND REQUISISTION MATER 5A 97 + INFROM TO LOCAL PEOPLE ON RELOCATION AND COMPENSATION REGULATION (SEEING DETAIL ON RESTTLEMENT REPORT) 98 - SETTING SPEED DOWN EDGE AND SIGN BOARD TO WARNING H1A DRIVERS (SEEING THE PLAN) 96 - DURING CONSTRUCTION STAGE: 49 + SETTING PROPER CONSTRUCTION TIME AND INFROM TO LOCAL 4A PEOPLE 96 + APPLYING CONSTRUCTION METHODS TO ENSURE SAFETY TO TC17A WORKERS AND LOCAL PEOPLE 30 + TO MINIMIZE EFFECTS SUCH AS: NOISE, VIBRATION, DUST ... 96 TO SURROUNDING RESIDENT BY METHODS SUCH AS USING EQUIPMENT NOISE, VIBRATION, EXHAUST GAS IN LOW LEVEL 58 + WORKERS AND CONTRACTOR STAFF NEED TRAIN ON AWARENESS P17A WHEN CONTACT WITH LOCAL PEOPLE TO AVOID EFFECT DAILY 95 ION ACTIVITIES OF OF THEM. CT 07 09 IR E + CONSTRUCTION CONTRACTORS NEED FREQUENCY CHECK TD17A 3A D WORKERS HEALTH TO PREVENT BRING INFECTION DISEASE SUCH AS 95 95 G ON SIDA, TUBERCULOSIS, DIARRHEA ... TO LOCAL RESIDENT LU CO 83 2A 94 CO ME DIRECTION STATUS 59 96 - SENSITIVE AREA (AREA OF KM 2+600-KM 2+770): ROAD LINE PASS BURIAL GROUND OF LOCAL PEOPLE. THIS AREA IS IN BOUNDARY OF LAND RECLAIM 99 97 SOLUTION - DURING CONSTRUCTION, CONTRACTORS NEED PAY 30 ATTETION TO MINIMIZE EFFECTS TO THIS AREA. 99 13 - MATERIAL STORE SITE AND DISPOSAL SITE IS FAR AWAY 70 84 71 22 20 THIS AREA. WHEN DOING ROAD BED, IT NEED PREPARE 99 95 96 98 CONSTRUCTION METHOD THAT THE SITE IS TIDY; SURPLUS 95 97 SOIL IS COLLECTED AND PUT IN DISPOSAL SITE PLAN OF ARRANGEMENT TRAFFIC SAFETY SYSTEM AT INTERSECTION BETWEEN NEW ROAD AND OLD ROAD (AREA OF KM2+400) TION DIREC E CO M NE W ROAD SOLUTION METHOD TO ENSURE TRAFFIC OLD ROAD SAFETY AT INTERSECTION BETWEEN NEW ROAD AND OLD ROAD STATUS - THERE ARE MANY HOUSEHOLDS AND PUBLIC WORKS SUCH AS WATER TANK, GREAT NATIONAL UNITY HOUSE IN AREA OF LAND RECLAIM - AT AREA OF KM 2+350, NEW ROAD LINE SEPERATE OLD ROAD TO MOUNTAIN SIDE AND PASSING SOME HOUSEHOLDS SOLUTION - SOLUTION IN DESIGN STAGE EDGE SPEED + PROPER COMPENSATION TO LOSSING OF LOCAL PEOPLE ION + RESTORE PUBLIC WORKS TO ENSURE DAILY ACTIVITIES OF PUBLIC IN DOWN SIGN BOARD RIGHT WAY ECT + INFORM CONSTRUCTION TIME TO LOCAL PEOPLE AT LEAST A IR WEEK BEFORE STARTING THE WORK GD + AT INTERSECTION BETWEEN NEW ROAD AND OLD ROAD, SETTING SPEED DOWN EDGE AND SIGN BOARD SYSTEM TO MINIMIZE TRAFFIC ON ACCIDENT. SEE DETAIL IN DRAWNGING LU - DURING CONSTRUCTION STAGE: (SEEING UP PAGE) TION DIREC UNG CO CO LO LEGEND DESIGN SOLUTION: RETAINING WALL DANGEROUS SIGN BOARD OLD ROAD AT KM 2+954.50 42 KM2+954.50 STATUS GRAVES AND TOMBS NEW ROAD - SLOPE DEGREE OF LOWER SLOPE IS LARGE ABOUT 50% - SLOPE IS SOIL AND HAPPENING SLIDE FROM KM 2+947.00 TO KM 2+962.00 Protection rail ANALYSIS - SECTION FROM KM 2+947.00 TO KM 2+962.00, SLOPE DEGREE IS LARGE THAT'S Concrete grade #50 EASY HAPPEN SLIDING OF LOWER SLOPE 2.0% - AT LOWER SLOPE SIDE IS MA RIVER THUS, IT'S NECCESSAY PAY ATTENTION ON TRAFFIC SAFETY MATER SOLUTION METHODS TO ENSURE TRAFFIC SAFETY AT INTERSECTION OF OLD ROAD AND NEW ROAD SAMINLAR SOLUTION Embankment soil K=95 Wet hole AS OF KM 2+400 - DESIGN RETAINING WALL FROM KM 2+947.00 - KM 2+962.00 - APPLYING GRAVITY RETAINING WALL, MATERIAL COULD BE CONCRETE OR N WET MASONRY STONE BASED ON LOCAL CONDITION ECTIO Crushed stone - AT LOCATIONS WHERE AS BACK OF RETAINING WALL IS ABYSS, IT NEED SUPPLY PROTECTION RAIL OR RAISE UP WALL TOP FOR PROTECTION PURPOSE Concrete grade #100 E DIR - SUPPLYING RETAINING WALL AT ROAD SHOULDER CO M Wet masonry mortar stone grade #100 65 107 84 101 79 95 41 95 80 94 91 93 24 93 61 92 38 92 47 CO LUONG DIRECTION 92 98 93 40 94 59 95 94 97 co me STATUS 61 100 - NEW ROAD LINE IS ON SLOPE THAT SEPERATE OLD ROAD - AT SECTIONS: KM3+068-:-KM3+090, KM3+149-:-KM3+184 THERE ARE HIGH SLOPE DEGREE LEGEND - GEOGRAPHY OF SURFACE LAYER IS CLAYDY THAT IS POOR STABLE 49 101 WHEN ABSORBED WATER AND EASY HAPPENING EROSION DANGEROUS SIGN BOARD - SLOPE OF MOUNTAIN, HILL IS COVERED OF THIN AND SCATTERED OLD ROAD 56 BRUSHWOOD 102 SOLUTION TO ENSURE SLOPE STABLE SPEED DOWN EDGE NEW ROAD - DESIGN SOIL RETAINING WALL FOR LOWER SLOPE AT SECTIONS: 37 KM3+068-:-KM3+090, KM3+149-:-KM3+184 98 - SEEING REGULATIONS ON DETAIL STRUCTURE ON DESIGN DOCUMENT 43 104 19 107 83 105 98 45 40 99 26 96 87 93 54 94 101 99 106 10 106 35 96 96 42 43 104 26 104 44 108 49 109 01 107 65 LONGITUDINAL OF RETAINING WALL Wet hole D=10Cm Wet hole Construction stop gap D=10Cm D=5Cm co l¬ng co me STATUS - NEW ROAD LINE IS NOT LAPPING OLD ROAD - THERE IS A WATER SLOT WITH LARGE WATER VOLUME IN RAIN REASON AND MAKING EROSION SLOT BED (FOLLOWING PUBLI INTERVIEWING) - SLOT BED IS WIDE BUT IT'S NOT DEEP DESIGN SOLUTION - DEISGN NEW REINFORCEMENT CONCRETE BOX CULVERT 3X3 SIMILAR APERTURE OF EXISTING CULVERT - DIVERTING WATER FLOW PERPENDICULAR WITH ROAD LINE - SETTING ROAD BENCH MARK. DANGEROUS SIGN BOARD AT SECTION EMBANKMENT ABOVE BOX CULVERT LONGITUDINAL OF SEWER 2.0% 2.0% .50 1 /1 1 /1 .50 Dry s tone thick 16cm ROAD BENCH MARK Crushed s tone thick 10cm Reinforcement c oncrete grade #200 Dry stone thick 16cm Crushed s tone thick 10cm 1 /1 .50 Reinforcement concrete grade #200 Wet mas onry s tone mortar grade #75 Crushed s tone thick 10cm Reinforc ement c oncrete grade #300 0 1 /1 .5 5% Wet masonry stone mortar grade #75 Crushed stone thick 10cm Lean conc rete grade #100 thic k10cm Crushed s tone thick 10cm 13 1 03 32 97 AT SECTION KM 3+536.00 OF OLD ROAD, THERE IS EXISTING A 94 VAULT CULVERT D3M, THUS IN NEW ROAD IT NEED DESIGN co l¬ng 87 DRAINAGE WORK MEET REQUIREMENT FOR DRAINANGE 93 APERTURE OF CATCH BASIN AND SIMILAR APERTURE OF 85 EXISTING CULVERT 33 92 co me TRAFFIC SAFETY MATER AT INTERSECTION BETWEEN OLD ROAD AND NEW ROAD - SIGN BOARD AND ROAD BENCH MARK IS ARRANGED FOLLOWING VIETNAM ROAD SIGNAL REGULATION - SPEED DOWN EDGE AND SIGN BOARD IS ARRANGED FOLLOWING TCVN - SEEING THE ARRANGEMENT IN BELOW DRAWNING - SIGN BOARDS IN THIS SECTION 215 207c 202a ON DIRECTI CO ME SIGN BOARD SP EE D ED D GE OW N LEGEND Temporary house House on stilts Brick house PLAN OF ARRANGEMENT TRAFFIC SAFETY Concrete house SYSTEM AT INTERSECTION BETWEEN OLD Old road ROAD AND NEW ROAD (AREA OF ENDING KM3+0.00) Fruit tree Forestry tree OLD ROAD Sugar plant Rice farm CO CTION NG Comunication pole NEW ROAD LU O Low voltage E electric pole DIR High voltage electric pole Wave corrugated iron Road bench mark co l¬ng Triangle sign board Round sign board Rectangle sign board 54 111 ME 28 CO 113 PLAN OF LAND RECLAIM BOUNDARY 82 112 40 107 06 P28 104 04 H3 09 107 107 Reinforcement concrete sewer pipe d=100 26 54 TD28 111 107 Station 11 Km4+231.00 28 62 14 113 107 82 62 13 112 107 06 12 107 65 09 109 11 107 26 10 107 01 STATUS - NEW ROAD LINE IS SAME AS OLD ROAD 109 - SLOPE DEGREE OF LOWER SLOPE IS HIGH ABOUT 50 %, THE LENGTH OF SLOPE IS LARGE. 35 - EMBANKMENT IN THIS SECTION IS HIGH, SO THAT IT'S 62 109 COMPLEX OF APPLYING SOLUTION FOR EMBANKMENT SLOPE H2 107 DESIGN SOLUTION FOR ENSURING SLOPE STABLE 30 - DESIGN RETAINING WALL 38 M LENGTH FROM KM 4+090 TO 109 KM 4+128 AT ROAD SHOULDER. 62 - SUPPLYING PROTECTION RAIL ON TOP OF RETAINING WALL AT ABYSS SIDE 107 9 - SEEING DETAIL IN DRAWNING 19 109 65 109 8 DETAIL DESIGN OF RETAINING WALL AT 109 60 KM 4+100 H1 KM4+100.00 01 15 109 7 Protection rail 112 35 Concrete grade #150 2.0% 109 83 6 115 30 Embankment soil K=95 109 5 Wet hole Crushed stone 115 64 Concrete grade #100 19 H1 33 109 Wet masonry stone mortar grade #100 114 111 59 CO LUON G 41 86 86 24 ME 93 CO 41 99 06 103 30 102 25 57 43 99 60 91 95 38 89 96 94 06 97 96 18 94 53 67 94 94 38 95 Reinforcement concrete sewer pipe d=100 03 99 Station 24 Km4+569.00 10 103 SOLUTION METHODS TO ENSURE TRAFFIC 82 101 SAFETY AT INTERSECTION BETWEEN NEW ROAD AND OLD ROAD AT KM 4+500 STATUS 86 - AT AREA OF KM 4+500, NEW ROAD LINE SEPERATE OLD 98 ROAD TO MOUNTAIN SIDE ME N CO CT IO SOLUTION IRR E E N 81 47 D 100 100 - SOLUTION IN DESIGN STAGE: DANGEROUS SIGN M T IO + PROPER CONPENSATION TO LOSSING OF LOCAL PEOPLE BOARD RO AD CO E C D RR Reinforcement concrete sewer pipe d=100 + RESTORE PUBLIC WORKS TO ENSURE DAILY ACTIVITIES OL DI OF PUBLIC IN RIGHT WAY + INFORM CONSTRUCTION TIME TO LOCAL PEOPLE AT 86 LEAST A WEEK BEFORE STARTING THE WORK + AT INTERSECTION BETWEEN NEW ROAD AND OLD ROAD, 101 AD Station P29 Km4+413.27 SETTING SPEED DOWN EDGE AND SIGN BOARD SYSTEM NEW RO N FOLLOWING STANDARDS TO MINIMIZE TRAFFIC ACCIDENT. SO G GE N SEEING DETAIL IN DRAWNING ON LA TIO D IL C - DURING CONSTRUCTION STAGE: (SEEING UP PAGE) V IRE 40 D 103 WN DO ED SPE E DGE 83 103 - PLAN OF INTERSECTION BETWEEN NEW ROAD AND CO LUONG OLD ROAD AT AREA OF KM 4+500 87 DIRE UONG N - PLAN OF ARRANGEMENT SIGN BOARD SYSTEM AND CTIO 103 SPEED DOWN EDGE TO ENSURE TRAFFIC SAFETY DUE TO DIVIDING OF NEW ROAD AND OLD ROAD CO L 104 40 04 107 CO ME AREA OF QUYEN STREAM BRIDGE AT KM 4+680.48 64 STATUS 119 - THERE IS NO DRAINAGE WORK IN THIS AREA - IN RAIN REASON, WATER VOLUME OF QUYEN STREAM IS LARGE. ROAD 117 44 SURFACE IS ALWAY IN WET CONDITION ANALYSIS - IT'S DIFFICULTY TRAFFIC IN AREA OF QUYEN STREAM BRIDGE 80 09 48 112 112 111 - DUE TO LARGE SURFACE WATER FLOW, THERE IS HAPPENING EROSION AT UPPER AND LOWER ROAD SIDES - AS FOLLOWING THE DESIGN, DRAINAGE WORKS IS SUFFICIENT FOR DRAINAGE MATER AND MEET REQUIREMENT ON ENVIRONMENT AND PUBLIC. 68 SOLUTION FOR TRAFFIC SAFETY DURING 112 CONSTRUCTION STAGE - DESIGN SOLUTION: + DESIGN REINFORCEMENT CONCRETE BRIDGE, 1 SPAN, SIMPLE 25 STUCTURE + CONSOLIDATION FOR PROTECT EROSION, FOOTING FOUNDATION AND 112 Reinforcement concrete sewer pipe d=100 APPROACH ROAD + SETTING GUIDE AND SIGN BOARD SYSTEM 95 - DURING CONSTRUCTION STAGE: Station 15C Km4+807.85 110 + APPLYING CONSTRUCTION METHODS FOLLOWING VIETNAM STANDARD TO ENURE SAFETY FOR WORKERS AND SUROUNDING 28 RESIDENT 110 + CONSTRUCTION MATERIAL STORE SITE + USING EXCAVATED SOIL FOR EMBANKMENT AND BACK FILL. SURPLUS SOIL MUST BE PU IN REGULATION LOCATION (EXSAMPLE: DISPOSAL SITE THAT' AGREED BY LOCAL AUTHORITIES AFTER COMPLETION OF CONSTRUCTION FOR RESTORE FLORISTIC COMPOSITION) 18 + CONTRACTION CONTRACTORS NEED MAKE PLANNING ON SOCIAL INTERACTION SUCH AS: INFORM LOCATION OF WORK, EFFECTIVE AND 102 TAFFIC SAFETY SOLUTION TO LOCAL PEOPLE - OPERATION STAGE: + RESTORE PLAN AFTER CONSTRUCTION COMPLETION 42 + RESTORE WATER FLOW 100 25 Irrigation Reinforcement concrete culvert D100 102 Station 11c Km4+704.21 93 73 104 104 71 69 103 3m Irrigation channel 8 L=3 0.4 +68 11 dge m4 bri 103 CK m ea 7 str on 51 tati y en S Qu 98 42 37 94 89 40 NG 89 LUO 10 80 10 CO 79 79 79 45 0 5+3 74.4 m lvert 3x3 E - THERE IS NO DRAINAGE WORK AT AREA OF KM5+374, SO THAT ROAD M 13 Km SURFACE IS IN WET CONDITION AND EROSION IN LOWER SLOPE CO 10 Box cu - BASED ON WATER VOLUME OF CATCH BASIN AND TO ENSURE 23 Station 88 DRAINAGE ABILITY FOR ROAD SURFACE, DESIGN REINFORCEMENT 85 CONCRETE BOX CULVERT 3X3 AT STATION KM5+374.00 67 - SUPPLYING CONSOLIDATION SOLUTIONS AT UPPER AND LOWER OF .50 WORK TO ENSURE DRAINAGE ABILITY AND PREVENT EROSION AT 1/1 84 84 LOWER SUCH AS: 84 + WATER STEP + CONSOLIDATION OUT LET AREA - SEEING DETAIL IN BELOW DRAWNING 46 87 24 89 Wet masonry stone mortar grade #M75 thick 25Cm ) pe 38 Crushed stone thick10Cm d=100 slo er at 91 Dry stone (w er pipe p 14 te 6 rs 5+215 .0 e 14 at te se w 95 1/1 W 97 01 95 P3 5 Km co ncre 50 99 27 em ent Station d=125 100 33 Rein forc er pipe 78 101 .25 101 Km5+26 79 te se w 102 99 co ncre TD3 4A 105 30 em ent Sta tion 109 50 Rein forc 113 49 115 117 31 04 30 15 65 118 116 113 00 97 56 117 77 116 109 115 115 85 108 63 111 74 53 110 112 CO LU ON G 102 38 98 d=100 62 E CO M 97 concre m5+676.32 er pipe ROAD EFFECTIVE BOUNDARY te sew 82 27 K 82 TC38 98 98 S tation 95 ement 95 99 26 99 11 reinforc 11 102 P38 102 30 101 30 25 101 97 99 99 TD38 97 97 82 82 H6 97 67 104 67 24 104 60 102 60 23 102 96 96 96 22 96 63 SOLUTIONS FOR ENSURING SLOPE STABLE 95 63 IN SECTION FROM KM 5+650 TO KM 5+706 21 95 03 28 STATUS - NEW ROAD LINE IS NEAR BY OLD ROAD THAT ROAD WIDE IS 4-5 M 95 28 AND MAINLY SOIL ROAD SURFACE TC37 95 95 03 - SLOPE DEGREE OF LOWER SLOPE IS ABOUT 45% H5 49 95 SOLUTION TO ENSURE SLOPE STABLE 49 94 - DESIGN SOLUTION: 20 + DESIGN RETAINING WALL FROM KM 5+650 TO KM 5+706 94 12 + RETAINING WALL IS DESIGN AS FOLLOW FIXATIVE 86 - 06X FROM TRANSPORTATION TECHNICAL AND SCIENTIFIC INSTITUTE 95 12 + DESIGN SAFETY LANE, ROAD BENCH MARK AND SIGN BOARD P37 95 SYSTEM FOR THIS SECTION 93 78 - SOLUTION IN CONSTRUCTION STAGE + APPLYING CONSTRUCTION METHODS TO MAINTAIN 78 TRANSPORTATION AND SAFETY FOR WORKERS, LOCAL PEOPLE 19 98 93 PASSING CONSTRUCTION SITE 92 82 + INFORM TO LOCAL PEOPLE AND AUTHORITIES ABOUT 94 CONSTRUCTION SITE 82 98 + IT NEED GET AGREEMENT WITH LOCAL AUTHORITIES ON STORING TD37 30 SITES OF MATERIAL, EQUIPMENT, FUEL AND WORKER CAMP 94 92 18 95 - OPERATION STAGE + RESTORING PLAN AFTER COMPLETTION CONSTRUCTION 82 + CONSTRUCTION WASTE IS FIRST SALVAGED FOR BACK FILL THEN THE SURPLUS IS TRANSPORTED TO DISPOSAL SITE AS FOLLOWING THE 94 CO AGREEMENT WITH LOCAL AUTHORITIES LU ON G 21 108 LEGEND LAND RECLAIM BOUNDARY 17 CO ME LAND RECLAIM BOUNDARY OLD ROAD 110 TD41A 40 101 49 SPEED DOWN EDGE NEW ROAD 110 85 35 43 98 108 37 d=100 24 34 SOLUTION FOR ENSURING DRAINAGE AND 93 TC40A 16 er pipe 104 SLOPE STABLE 5.03 91 STATUS te sew Km5+91 40 - NEW ROAD LINE IS DESIGNED SEPERATING OLD ROAD AND ON HILL SLOPE 101 06 t concre - IN MANY SECTIONS, SLOPE DEGREE OF LOWER SLOPE IS LARGE TC 40A H9 93 101 99 P40A ABOUT 45% 85 SOLUTION TO MINIMIZE EROSION AND SILDING cemen S tation 98 - DESIGN SOLUTION: R einfor + DESIGN RTAINING WALL FOR SECTION: FROM KM 5+794 TO KM 5+832; TD40A FROM KM 5+895.64 TO KM 5+938 39 37 93 + RETAINING WALL IS DESIGNED AS FOLLOW FIXATIVE 86 - 06X FROM 113 91 16 TRANSPORTATION TECHNICAL AND SCIENTIFIC INSTITUTE + SUPPLYING SUFFICIENT DRAINAGE WORKS AT STATION KM 5+816.36; KM 5+915.03 + CONSOLIDATION AT UPPER AND LOWER OF THE ABOVE DRAINAGE 02 WORKS 93 06 33 99 + DESIGN SAFETY LANE, ROAD BENCH MARK AND SIGN BOARD SYSTEM 116 FOR SECTIONS THAT' DEEP EXCAVATION AND HIGH EMBANKMENT 101 TC39A 82 39 104 11 02 32 94 116 76 P39A 88 82 104 86 11 H8 99 94 TD39A 53 88 76 111 03 86 31 117 99 53 4.36 x1.5) m 111 m5+81 43 TC39 lvert (2 03 P 39A K 116 117 B ox cu 50 S tation 30 43 112 116 10 50 P39 110 112 CO 10 73 LU 29 109 110 ON 73 G 109 23 106 54 co me 64 97 85 10 96 97 00 97 01 97 98 95 6 95 98 42 99 STATUS - NEW ROAD LINE SEPARATE OLD ROAD - NEW ROAD IS ON SLOPE WITH SLOPE DEGREE ABOUT 50 % AND 12 LENGTHEN ALONG THIS SECTION - THERE IS A WATER SLOT AT KM 6+44.65 101 - SURFACE GEOGRAPHY IS CLAYDY, POOR STABLE WHEN ABSORBED OF WATER AND EASY EROSION 101 18 DESIGN SOLUTION FOR ENVIRONMENT PROTECTION - DESIGN SEWER PIPE D=100 AT STATION KM 6+44.65, WITH 100 28 LONGITUDINAL SLOPE 25 % AND CONSOLIDATION AT INLET AND OUTLET TO ENSURE FLOW REGIME (SEEING DETAIL IN DRAWNING) - DESIGN RETAINING WALL AT SECTION FROM KM 6+35.00 TO KM 98 57 6+53.00, FROM KM 6+130 TO KM 6+166 TO ENSURE STABLE OF LOWER SLOPE - SETTING ROAD BENCH MARK, PROTECTION RAIL IN THIS SECTION 91 69 93 92 CROSS SECTION AT Km6+44.65 44 Protection rail 99 Wet masonry stone mortar grade #100 thick 25cm Crushed stone thick 10cm 1 /1 .50 86 Wet masonry stone thick 16cm Crushed stone thick 10cm 103 1/1.50 1/1 Concrete grade #150 21 Wet masonry stone mortar grade #75 thick 25cm Crushed stone thick 10cm 108 Concrete grade #150 Wet masonry stone mortar grade #100 5/1 Crushed stone 25% Wet masonry stone mortar grade #100 Crushed stone co l¬ng 5/1 Crushed stone Dry stone Concrete grade #100 Wet masonry stone mortar grade #100 95 95 ROAD EFFECT BOUNDARY co me 57 96 89 6 P44 100 57 32 99 24 102 89 100 34 TD44 102 32 102 15 34 18 102 102 64 17 100 15 102 28 16 97 64 100 28 30 48 97 23 15 TC43 96 94 H4 96 23 48 96 94 65 P43 30 99 96 05 65 TD43 99 101 05 62 101 14 96 62 47 96 13 94 97 12 95 47 94 97 95 19 H3 101 19 101 95 11 93 95 - EFFECT OF SLOPES THAT NEW ROAD PASSING 93 63 10 - SLOPE DEGREE IS QUITE LARGE ABOUT 1/0,75 WITH LENGTHEN. IT 84 NEED APPLY PROPER DESIGN SOLUTION TO PREVENT RISK OF EROSION 43 AND SLIDING 88 9 - DESIGN RETAINING WALL AT HIGH RISK OF SLIDING SECTION SUCH 63 AS FROM KM 6+495 TO KM 6+526; FROM KM 6+765 TO KM 6+805.06 84 co l¬ng 40 43 - DESIGN WALL FOOTING FOLLOWING REGUATIONS AS SAID IN 88 SECTION KM 2+00 - KM 1+00 95 8 40 95 101 09 co me 64 16 96 ROAD EFFECT BOUNDARY 95 16 P46 96 64 6 94 H8 95 95 40 93 94 TYPICAL CROSS SECTION OF RETAINING WALL 36 95 Concrete grade #150 Protection rail 40 35 93 30 101 30 TD46 Wet hole 101 104 20 Crushed stone Concrete grade #100 20 34 104 106 52 Wet masonry stone mortar grade #100 52 6 33 106 37 103 37 H7 103 71 101 71 32 101 41 99 TRAFFIC SAFETY DURING CONSTRUCTION STAGE 41 31 - NEW ROAD LINE IS DESIGNED NEARLY PARALLEL WITH OLD 99 78 ROAD, BUT AT HIGHER POSITION. THUS, IT COULD BE USING OLD 98 ROAD FOR ACCESS ROAD DURING CONSTRUCTION STAGE - DUE TO CONSTRUCTION SITE IS 15-20M UP ABOVE EXISTING ROAD, 78 SO THAT EXCAVATION AND EXPLODING WORK IS A RISK OF 30 DANGEROUS TO TRANSPORT MEANS IN EXISTING ROAD 98 94 89 APPLYING SAFETY METHODS - SETTING SOIL-STONE RETAINING FENCE AT FOOTING OF LOWER SLOPE OF NEW ROAD OR AT TOP OF UPPER SLOPE OF EXISTING ROAD 65 94 D45 95 - LIMIT SPEED TO CONSTRUCTION TRANSPORT MEANS IN AND OUT 89 CONSTRUCTION SITE TO MINIMIZE VIBRATION THAT COULD DROP SOIL-STONE 65 35 - SETTING DANGEROUS WARNING SIGN BOARD IN EXISTING ROAD 29 97 95 - INFORM TO LOCAL PEOPLE AND TRANSPORT MEANS PASSING HERE FOR BEWARE PURPOSE 35 H6 97 55 99 55 28 99 co l¬ng 35 104 04 104 QUOTATION: - SECTION FROM KM 7+00 TO KM 8+00, NEW ROAD LINE IS PARALLEL WITH OLD ROAD, INFORMATION ON ENVIRONMENT, TRAFFIC SAFETY, EROSION, SLIDING .... IS SIMILAR AS OF SECTION FROM KM 6+00 TO KM 7+00 e co m - IN DESIGN DRAWNINGS SUPPLY WORK ITEMS TO SOLUTE PROBLEMS (SEEING DETAIL IN DESIGN DOCUMENT) 72 101 102 44 88 100 87 57 79 31 99 85 85 91 39 77 12 00 42 88 91 86 85 99 63 95 103 15 106 35 102 20 AREA OF CAI STREAM BRIDGE AT KM 6+985 98 29 STATUS - AT STATION KM 6+985 IS CAI STREAM BRIDGE AREA LEGEND - THERE IS NO DRAINAGE WORK DESIGN SOLUTION, CONSTRUCTION METHODS TO ENSURE SAFETY AND ENVIRONMENT PROTECTION 95 92 LAND RECLAIM BOUNDARY OLD ROAD - DESIGN REINFORCEMENT CONCRETE BRIDGE SIMPLE STRUCTURE - CONSOLIDATION AT APROACH ROAD FOR EROSION PROTECTION co l¬ng - SETTING TRAFFIC SIGNBOARD SYSTEM NEW ROAD RETAINING WALL 99 11 - APPLYING CONSTRUCTION METHOD FOR ENSURING SAFETY AND MINIMIZING EFFECT TO SURROUNDING ENVIRONMENT IS SIMILAR AS OF PO STREAM BRIDGE AREA AT KM 17+157.50 101 04 ROAD CORRIDOR AND LAND RECLAIM BOUNDARY - NEW ROAD LINE SEPARATE OLD ROAD AND IS ON SLOPE PASSING BAMBOO FOREST .... - WITH THIS DESIGN, IT WILL EFFECT TO FLORISTIC COMPOSITION AND LOCAL CAREER (EXPLOITING LAND RECLAIM BOUNDARY BAMBOO ...) DURING CONSTRUCTION STAGE. THUS, IT NEED GIVE PROPER COMPENSATION POLICY AND MINIMIZE EFFECT TO HABIT LIFE OF LOCAL PEOPLE - AFTER CONSTRUCTION COMPLETION, IT NEED RESTORE FLORISTIC COMPOSITION TO PREVENT EROSION, SLIDING SLOPE AND LIMIT EFFECT TO NATURE ENVIRONMENT IN THIS AREA ROAD PROTECTION CORRIDOR LEGEND OLD ROAD DRAINAGE SEWER NEW ROAD ROAD CORRIDOR AND LAND RECLAIM BOUNDARY - ROAD PASS TAN HUONG VILLAGE - PHU THANH COMMUNE - THANH HOA PROVINCE. POPULATION CONCENTRATE ROAD SIDES AND IS NEAR BY ROAD - IT NEED PAY ATTENTION ON LAND ACQUISITION TO PREVENT UNSATISFY COMPENSATION THAT MAKING COMPLAINT OF LOCAL PEOPLE. DETAIL DATA IS ON LAND RECLAIM AND COMPENSATION DOCUMENT THAT IS DONE BY OTHER PARTY - HERE IS HOT POINT ON TAFFIC SAFETY. IT NEED WARNING DIVER ON SPEED CONTROL WHEN GO IN THIS AREA. - DESIGN AND SETTING TRAFFIC SIGNBOARD AND GUIDE BOARD SYSTEM IN THIS AREA - DURING CONSTRUCTION STAGE, APPLYING METHODS TO MINIMIZE EFFECT TO LOCAL PEOPLE AS SAME OF SECTION KM17+00 - KM18+00 ANALYSIS AND ASSESSMENT - NEW ROAD IS NEAR BY OLD ROAD - THERE IS NOT MANY SPECAIL LOCATION NEED APPLY SOLUTION METHOD - SUPPLY 2 SEWER PIPE D=100CM - CROSS SECTION STRUCTURE IS MAINLY HALF EXCAVATION AND EMBANKMENT. IN HIGH EMBANKMENT LOCATION, IT NEED MAKE STEP FOR STABLE EMBANKMENT - AFTER CONSTRUCTION COMPLETION, IT MUST RESTORE FOREST AND SLOPE COVERING SOLUTION TO CONSOLIDATION STABLE OF EMBANKMENT STEP MAKING BEFORE EMBANKMENT Km8+555.70 STEP MAKING STATUS - OLD ROAD LINE FOLLOW STREAM - VISION DISTANT TO STREAM SLOT IS LIMITTED - THERE IS NO DRAINAGE WORK SOLUTION -DESIGN NEW ROAD LINE IS PERPENDICULAR WITH STREAM SLOT TO ENSURE DRIVER DISTANT VISION. -DESIGN BOX CULVERT 3X3M FOR ENSURING DRAINAGE. - SETTING PROTECTION RAIL AT BOTH SIDE OF CULVERT FOR SAFETY PURPOSE DRAINAGE DESIGN SOLUTION AT KM 8+832.50 BOX CULVERT 3X3M PROTECTION RAIL Concrete of culvert grade #200 lean concrete grade #100 thick 10cm Crushed stone thick 10cm - ROAD LINE CROSS WATER SLOT. DESIGN REINFORCEMENT CONCRETE SEWER PIPE D=100CM FOR ENSURING DRAINAGE. UPPER AND LOWER OF SEWER IS CONSOLIDATED FOR PROTECTION EROSION. APPLYING SAME CONSOLIDATION SOLUTION IN UP PAGE. SEEING DETAIL IN DESIGN DOCUMENT NOTE: - NEW ROAD LINE CROSS OLD ROAD AT STATION KM 9+00 (ENTRANCE TO THANH SON COMMUNE PEOPLE COMMITTEE) - THIS AREA IS A COMPLEX LOCATION ON TRAFFIC AND POPULATION MATER. - THUS, IT NEED DESIGN TRAFFIC SAFETY SYSTEM. SEEING DETAIL IN SECTION KM 4- KM 5 - THIS SECTION NEW ROAD LINE SEPARATE OLD ROAD. NEW ROAD LINE FOLLOW MOUNTAIN SLOPE. THERE I S FEW HOT POT TO PAY ATTENTION. - DUE TO THIS SECTION MAINLY EXCAVATION, IT WILL EFFECT TO SOIL AND WATER ENVIRONMENT AND FLORISTIC COMPOSITION. - THUS, IT NEED TAKE SOLUTION TO RESTORE FLORISTIC COMPOSITION AFTER CONSTRUCTION COMPLETION SUCH AS; GRASSING SLOPE, FOREST RSTORING ........ STATUS - NEW ROAD LINE CROSS STREAM WITH HAS LARGE WATER FLOW VOLUME. IN OLD ROAD LINE, THERE HAS DRAINAGE WORK, BUT BASED ON DRAINAGE REQUIREMENT, IT NEED DESIGN REINFORCEMENT CONCRETE BRIDGE SOLUTION - DESIGN REINFORCEMENT CONCRETE BRIDGE 1 SPAN L=33M - APPLYING SIMILAR METHODS AS OF PAO STREAM BRIDGE TO ENSURE SAFETY OF CONSTRUCTION AND ENVIRONMENT PROTECTION EXISTING DRAINAGE SOLUTION AT PU STREAM REINFORCEMENT CONCRETE BOX CULVERT IN SECTION FROM KM9+600-KM9+800 THERE ARE MANY LOCATION NEED DEEP EXCAVATION. AVERAGE OF EXCAVATION IS 15M. TO ENSURE STABLE OF WORK AS WELL AS MINIMIZING EFFECT DURING CONSTRUCTION STAGE, IT NEED MAKE STEP ON SLOPE FOLLOWING STANDARD AND PAYING ATTENTION AS BELOW: + WITH THE HEIGHT OF EXCAVATION H >= 12 M IT MUST MAKE STEP + ENCOURAGE MAKING STEP WITH H>= 6M + DIMENSION OF TOP DITCH SEEING IN FIXACTIVE DESIGN DEEP EXCAVATION. MAKING STEP ON SLOPE FOR INCREASING STABLE 30 Km9+721.35 BERM DITCH 96 80 LAND RECLAIM BOUNDARY AND ROAD PROTECTION CORRIDOR 11 98 24 60 TC66 STATUS 104 96 - AT LEFT SIDE IS HIGH EXCAVATION SLOPE 59 - THERE IS SOME BENDY WITH SMALL RADIUS SO THAT DISTANT VISION IS LIMIT SPECIAL DIRECTION FROM 37 CO LUONG TO CO ME 10 106 96 RECOMMENDATION 07 - SETTING SIGN BOARD AND SPEED DOWN EDGE AT STARTING OF BENDY FOR WARNING DRIVERS 60 - SEETING BALL MIRROR FOR SUPPORTING DISTANT VISION OF DRIVERS 111 9 94 87 (SETTING FOLLOWING ROAD TRAFFIC SIGNAL REGULATIONS - DETAIL IN BELLOW PLAN) DURING CONSTRUCTION STAGE 26 96 H2 24 112 - SOME LOCATION, CONSTRUCTION IS NEAR RESIDENT, BUT AT HIGH POSITION. THUS, DURING CONSTRUCTION 24 STAGE IT NEED TAKE METHODS FOR ENSURING SAFETY P66 99 110 OF RESIDENT AREA 04 (SEEING DETAIL IN AP PAGE) 44 100 107 8 44 101 82 79 104 7 106 23 60 104 6 105 31 17 TD66 105 104 14 32 105 5 104 94 17 86 85 83 74 60 40 H1 105 96 52 99 106 36 98 73 37 60 103 105 28 4 111 105 60 105 60 112 74 28 105 110 103 3 105 14 26 107 104 60 17 104 82 24 44 73 D65 98 36 99 2 52 1 96 30 91 LAND RECLAIM BOUNDARY AND ROAD PROTECTION CORRIDOR 85 92 96 72 94 14 21 100 95 94 34 93 13 TD69 103 95 09 56 - IN THIS SECTION, ROAD LINE IS ON WHOLE EXCAVTION 20 ROAD BED WITH GEOGRAPHY IS STONE LAYER 104 - THERE IS NO DRAINAGE WORK IN THIS SECTION 92 88 - CONSTRUCTION SIDES DITCH SHAPE TRIANGLE WITH 76 19 CONSOLIDATION BY STONE PAVEMENT FOR ENSURING 102 DRAINAGE AND MINIMIZING SEDIMENT - SOLUTIONS FOR STABLE DEEP EXCAVATION 32 ROAD BED IS SHOWNED IN DESIGN DOCUMENT AND 91 H5 65 99 DRAWNING BELOW 79 TC68 95 90 71 06 18 LONGITUDINAL ROAD DESIGN 91 KM10+473.50 - KM10+600.00 91 71 00 P68 92 EXISTING GROUND LINE LP T PH: SÉT PHA LN DM SN, THC VT MÀU XÁM NÂU, XÁM EN TRNG THÁI XP 97 17 1 93 91 Á SÉT KT PHONG HOÁ MÀU XÁM NÂU, 11 PHONG HOÁ TRUNG BÌNH 91 17 80 2 TD68 96 DESIGN LINE 94 85 94 78 24 96 45 16 98 100 14 0.77 59 3.30 10.53 6.90 12.28 10.92 H4 8.00 4.37 2.73 2.84 96 1.20 103 13 07 H5 H6 104 15 96 56 87 102 TC67 94 88 24 CONSOLIDATION SIDE DITCH SHAPE TRIANGLE 99 14 1/1.00 96 32 Following slope of excavation or embankment /m 32 80 40 1 04 95 P67 1/1.00 1/ 99 79 n 40 1/0.75 WET MASONRY STONE 44 1/0.75 91 MORTAR GRADE #100 THICK 25 cm 13 100 06 2.0% 2.0% 120 92 79 TD67 71 101 91 97 96 LAND RECLAIM BOUNDARY AND ROAD PROTECTION CORRIDOR 39 101 10 38 04 97 TD71 99 LEGEND 63 37 99 OLD ROAD LAND RECLAIM BOUNDARY 25 CENTERLINE OF 36 100 NEW ROAD 16 35 101 56 H9 99 58 34 94 104 49 103 67 58 33 94 101 42 97 10 9 73 9 04 32 94 63 99 STATUS 33 - THIS SECTION FEATURES IS SAME ABOVE SECTION: 100 25 31 + WHOLE SECTION IS EXCAVATION ROAD BED 95 + RESIDENT AREA IS NEAR CONSTRUCTION SITE AND AT LOWER POSITION 101 16 SOLUTION 73 (SEEING SAID ABOVE SECTION) H8 91 99 56 30 30 91 94 58 30 94 67 29 91 94 73 85 TC70 92 33 95 72 28 94 95 73 91 P70 94 34 30 91 LAND RECLAIM BOUNDARY ANALYSIS AND ASSESSMENT - NEW ROAD LINE IS ON HILL SLOPE WITH SMALL SLOPE DEGREE ABOUT 15 % TO 20% - NEW ROAD IS SEPARATED WITH OLD ROAD, AT CROSS LOCATION BETWEEN OLD ROAD AND NEW ROAD, THERE ISN'T RESIDENT AREA SO THAT LAND RECLAIM AND TRAFFIC SAFETY MATER IS SIMPLE (SEE PLAN OF LAND RECLAIM) - AS FOLLOWING DESIGN, EXCAVATION AND EMBANKMENT VOLUME IS MIDLE, IT IS FEW EFFECT TO NATURE ENVIRONMENT. IN GENERAL, NEW ROAD LINE IS FRIENDLY WITH SURROUNDING ENVIRONMENT. LEGEND OLD ROAD RETAINING WALL NEW ROAD TION 14B LAND RECLAIM BOUNDARY TYPICAL CROSS SECTION OF RETAINING REC KM11+379.29 WALL AT STATION KM 11+379.29 E DI CO M Protection rail Concrete grade #150 Soil embankment K=95 Wet hole Crushed stone Concrete grade #100 Wet masonry stone mortar grade #100 ANALYSIS AND SOLUTION TO ENSURE SLOPE STABLE - AT SECTION FROM Km 11+357.36-:-Km 11+393.29 IT HAPPEN LENGTHEN SLOPE SLIDING SLOPE SLIDING MATER IS COMPLEX, IT'S A RISK OF - ACCIDENT TO VEHICLE PASSING HERE AND THE LIFE OF CONSTRUCTION WORKS AS WELL AS EFFECT TO WATER, AIR, SOIL QUALITY IN THIS AREA - DESIGN RETAINING WALL FROM KM 11+357.36 TO KM 11+393.29 FOLLOWING TECHNICAL SPECIFICATIONS IN UP PAGE. SETTING PROTECTION RAIL SYSTEM AT RETAINING WALL AREA - SEEING SHAPE AND BASIS DIMENSIONS OF RETAINING WALL IN DRAWNING ECTION NG DIR CO LUO TION REC E DI CO M STATUS - AT AREA OF CHIENG VILLAGE BRIDGE, IT IS A INTERSECTION THAT HAVING LIMIT VISION. THIS BENDING IS NEAR BY MA RIVER BANK AND IT'S ALSO A HOT POINT OF TRAFFIC SAFETY DESIGN SOLUTION TO AVOID THIS AREA - AS FOLLOWING DESIGN SOLUTION, NEW ROAD LINE IS DIRECTLY PASSED THIS AREA BUT IT'S AT HIGHER POSITION THAN OLD ROAD AND NO CROSS CHIENG VILLAGE BRIDGET TO AVOID DANGEROUS CROSSING AND ENURING VISION DISTANT - HOWEVER, THE SAID ABOVE DESIGN SOLUTION WILL MAKE NEW ROAD LINE 150M LONGER AND 15M DEEP OF EXCAVATION. - APPLYING SOLUTION AS SAID AT UP PAGE FOR EXCAVATION PART, EXAMPLE: MAKING STEP ON SLOPE, DESIGN TOP DITCH AND SIDE DITCH ... - SEEING DETAIL IN DESIGN DOCUMENT ION ECT G DIR ON LU CO FIXACTIVE DESIGN FRO DRAINAGE WORK AND CONSOLIDATION SLOPE AT ON ROAD FOUNDATION EMBANKMENT TI R EC I D E M 37 CO KM11+880.00 Protection rail Concrete grade #150 Wet masonry stone grade #75 Crushed stone thick 30cm for foundation Wet masonry stone grade #100 Crushed stone thick 10cm Wet masonry stone grade #100 Dry stone Wet masonry stone grade #75 thick 25cm Crushed stone thick 10cm STATUS - AT ENDING OF KM11+00 NEW ROAD LINE IS NEAR WITH OLD ROAD - AT MANY LOCATIONS IN SECTION FROM KM 11+834.00 TO KM 11+890, LOWER SLOPE IS SLIDING DESIGN SOLUTION - DESIGN RETAINING WALL FROM KM 11+834.00 TO KM 11+890.00 FOLLOWING FIXATIVE 86 -06X - SUPPLYING DRAINAGE WORK AT KM 11+880.00 - TO INCREASE STABLE OF DRAINAGE WORK, ROAD FOUNDATION AND MINIMIZE EROSION AT LOWER SIDE, CONSOLIDATION UPPER AND LOWER OF DRAINAGE WORK WITH MAKING WATER SLOPE, WATER COLLECTION CHAMBER AND REATAINING DIRECTION WALL - WHEN APPLYING THE ABOVE DESIGN SOLUTION, IT MEET REQUIREMENTS ON TECHNICAL SPECIFICATIONS AS WELL AS MINIMIZING EFFECT TO WATER FLOW REGIME, EROSION AND SURROUNDING CO LUONG ENVIRONMENT 6 ME CO STATUS - AT SECTION FROM Km 12+50.00-:-Km 12+64.00 DUE TO WATER FLOW CROSS ROAD, THAT MAKE EROSION AT LOWER OF FLOWS - GEOGRAPHY OF SURFACE IS CLAY, IT'S POOR STABLE WHEN SOAKING OF WATER AND EASY OF EROSION SOLUTION TO ENSURE STABLE OF ROAD BED AND SLOPE - DESIGN REINFORCEMENT CONCRETE SEWER PIPE AT STATIONKM 12+61.00 - SUPPLYING RETAINING WALL FROM KM 12+50.00 TO KM 12+64.00 FOR CONSOLIDATION AT LOWER OF DRAINAGE WORK - RETAINING WALL IS DESIGNED AS FIXACTIVE 86-06X FROM TRANSPORTATION TECHNICAL AND SCIENTIFIC INSTITUTE WITH SPECIFICATION AS FOLLOWS: + DESIGN LOAD H30-XB80. LIVE LOAD IS SET 1M FROM WALL EDGE + INTERNAL ANGLE OF ROAD BED EMBANKMENT SOIL IS IN , STANDARD j=35° SPECIFIC GRAVITY g=1.8 T/m3 + STRENGTHEN OF SOIL BED R=2Kg/cm2 4 + WALL TOP AND BODY IS CONCRETE GRADE #150. + STRENGTHEN OF ABSORBED STONE FOR CONCRETE IS NOT LESS THAN 400Kg/cm2 + STRENGTHEN OF CEMENT AT 28 DAYS FOR CONCRETE IS NOT LESS 5 THAN 200Kg/cm2 - DIMENSION IN DRAWNING IS cm. DISTANT, ELEVATION IS M 6 CROSS DRAINAGE SOLUTION AT STATION Km12+061 TYPICAL CROSS SECTION OF RETAINING WALL Protection rail Wet hole Wet masonry stone mortar grade #100 thick 25cm Crushed stone thick 10cm Concrete grade #150 G ON Embankment soil K=95 LU Dry stone Wet masonry stone mortar grade #100 CO Crushed stone thick 10Cm Wet hole Wet masonry stone mortar grade #100 Dry stone Crushed stone thick 10Cm Concrete grade #150 Crushed stone Concrete grade #100 6 Concrete grade #150 5 CO ME PLAN OF SETTING TRAFFIC SAFETY SYSTEM STATUS - SECTIONS FROM Km12+000-:-Km12+040, Km12+085-:-Km12+150 AT RIGHT 6 SIDE IS LARGE SLOPE DEGREE WITH HIGH EXCAVATION SLOPE; GEOGRAPHY INCLUDE 2 LAYER: SURFACE LAYER IS CLAYDY, BELOW LAYER IS WEATHERED STONE IN SHALLOW POSITION NEARING SURFACE GROUND. THUS, EXCAVATION SLOPE IS MAINLY ON WEATHERED STONE LAYER - NEW ROAD LINE IS NEARLY PARALLEL WITH OLD ROAD, BUT IT'S AT HIGH POSITION. AT DRAINAGE WORKS, ROAD LINE IS ADJUSTED TO PERPENDICULAR WITH WATER FLOW SOLUTIONS FOR ENVIRONMENT PROTECTION - MAKING STEP ON SLOPE AND SETTING BERM DITCH (DIMENSIONS OF STEP BASED ON HEIGHT OF EXCAVATION SLOPE) - DURING CONSTRUCTION STAGE, CONSTRUCTION CONTRACTOR NEED TAKE FOLLOWING ACTIONS: + INFORM TO LOCAL PEOPLE AND AUTHORITIES ABOUT CONSTRUCTION SITE + TAKING ACTION TO ENSURE TRAFFIC SAFETY IN CONSTRUCTION SITE SUCH AS: COLLECTION DROPPING MATERIAL, PUBLIC INFORMING ON LOCATIONS THAT IS HIGH RISK OF ACCIDENT... + PREPARATION PLAN TO CONTROL WORKERS AND STAFF TO AVOID EVIL EFFECT TO DAILY LIFE OF LOCAL PEOPLE DESIGN CROSS SECTION OF HIGH EXCAVATION SLOPE BERM DITCH NG UO L CO 4 CO ME PLAN OF SETTING TRAFFIC SAFETY SYSTEM 6 ANALYSIS - NEW ROAD LINE REPARATE OLD ROAD. AT WATER SLOT LOCATION, ROAD IS ADJUSTED TO PERPENDICULAR WITH ATER FLOW - LOWER SIDE OF DRAINAGE WORK, SLOPE DEGREE IS LARGE - GEOGRAPHY OF STREAM BED IS CLAYDY MIXED GRAVEL AND GRIT, SO THAT IT'S EASY EROSION WHEN LARGE WATER VOLUME DESIGN SOLUTION FOR ENSURING FLOW REGIME - DESIGN DRAINAGE WORKS AT KM 12+550.00; KM 12+660.33; KM 12+815.00 6 - CONSOLIDATION UPPER AND LOWER DRAINAGE WORK FOR EROSION PROTECTION SUCH AS: WATER SLOPE, POWER REDUCE CHAMBER ... TO SPEED DOWN WATER FLOW BEFORE DISCHARGING ON NATURE GROUND AND THEN TO MA RIVER (SEEING DETAIL IN DESIGN DOCUMENT) CO LUONG CO ME ASSESSMENT ON CONSTRUCTION SAFETY OF DRAINAGE WORKS - BASED ON PUBLIC INTERVIEW INFORMATION: AT LOCATIONS THAT WATER SLOT CROSSING ROAD, IN RAIN REASON, THERE IS HIGH WATER LEVEL AND WATER FLOW TAKE AWAY WOOD, BRANCH, MUDDY ... - THUS, DURING CONSTRUCTION STAGE OF DRAINAGE WORKS IN THIS SECTION, IT NEED SUPPLY TEMPORARY CHANNEL FOR WATER DIVERSION - CONSTRUCTION CONTRACTOR MUST FOLLOW REGULATIONS ON ENVIRONMENTAL SANITATION, COLLECTION AND TRANPORT WASTE, SURPLUS SOIL, STONE, MATERIAL TO DISPOSAL SITE; QUICKLY RESTORING PLAN AND NATURE WATER FLOW REGIME 6 - INFORMATION IS SAME AS SIMILAR SECTION. - DESIGN SOLUTIONS FOR ENSURING CONSTRUCTION WORKS STABLE AS WELL AS CONSTRUCTION METHODS FOR CONSTRUCTION SAFETY AND ENVIRONMENT MATERS IS SELECTED BY CONSULTANT FROM SOLUTIONS THAT PROVIDING IN THE ABOVE SECTIONS - SEEING DETAIL IN DESIGN DOCUMENT CO LUONG LEGEND E RETAINING WALL CO M OLD ROAD PLAN OF LAND RECLAIM BOUNDARY - INFORMATION IS SAME AS SIMILAR SECTION. 6 - DESIGN SOLUTIONS FOR ENSURING CONSTRUCTION WORKS STABLE AS WELL AS CONSTRUCTION METHODS FOR CONSTRUCTION SAFETY AND ENVIRONMENT MATERS IS SELECTED BY CONSULTANT FROM SOLUTIONS THAT PROVIDING IN THE ABOVE SECTIONS - SEEING DETAIL IN DESIGN DOCUMENT 6 ION CT IR E GD ON LU CO ION DIRECT DURING CONSTRUCTION STAGE C O ME - BEFORE STARTING CONSTRUCTION, IT NEED SURE THAT HOUSEHOLDS IN RECLAIM BOUNDARY IS SATISFIED OF COMPENSATION AND RELOCATION TO CAO §é : RESETTLEMENT AREA, IT'S ALSO A ADVANTGE DC : CONDITION FOR CONSTRUCTION PROCESSING. - DURING CONSTRUCTION STAGE, CONTRACORS MUST ENSURE TRAFFIC SAFETY, ASSET OF LOCAL POEPLE Station H2 Km13+200.00 AND STRICTLY FOLLOW REGULATIONS ON Box culvert 2x2 ENVIRONMENTAL SANITAION (SEEING DETAIL IN UP T 2 x2m 0 3 + 20 PAGE) UL VER N K m1 B OX C S TA TIO : : §é DC O CA LEGEND ROAD BENCH MARK OLD ROAD N IO CT RE SAFETY LANE CENTERLINE DI (WAVE CORRUGATED IRONE) OF NEW ROAD G ON LU CO ANALYSIS AND ASSESSMENT N ECTIO - NEW ROAD LINE IS OVER LAP OLD ROAD AND PASS SON THANH VILLAGE. POPULATION CONCENTRATE ROAD SIDES WITH SOME HOUSEHOLDS IS IN BOUNDARY OF LAND E DIR RECLAIM. REMAIN IS OUT OF LAND RECLAIM BOUNDARY, BUT THEIR HOUSE, BREEDING FACILITIES IS NEAR BY THE BOUNDARY AND IN EFFECT AREA OF CONSTRUCTION SITE CO M - IN THIS SECTION, THERE IS NO INFRASTRUCTURE FOR WASTE WATER AND DOMESTIC WASTE, SO THAT ITS FREE DISCHARGED IN SURROUNDING ENVIRONMENT AND ROAD SURFACE MAKING UNHYGIENIC AND WET ROAD FOUNDATION. BESIDE, DUE TO POOR ACKNOWNEDGE OF TRAFFIC SAFETY, LOCAL PEOPLE ALWAY STORE MATERIAL AND FREE BREEDING CATTLE ON ROAD SOLUTION METHODS - CONSOLIDATION SIDE DITCH FOR MULTI PURPOSE OF DRAINAGE RAIN WATER AND DOMESTIC WASTE WATER FOR PROTECTION HYGIENIC AND ENVIRONMENT - SETTING SIGN BOARD, ROAD BENCH MARK, SAFETY LANE SYSTEM (SEEING DETAIL IN PLAN OF SETTING TRAFFIC SAFETY SYSTEM). - BESIDE OF APPLYING TECHNIC SOLUTION, PROJECT MANAGEMENT UNIT NEED COORDINATE WITH LOCAL PARTIES TO CAMPAIGN, PROPAGANDIZE LOCAL PEOPLE ON TRAFFIC SAFETY ACNKOWNEDGE FOR CHANGING HABIT OF USING ROAD SURFACE AS PUBLIC LAND Station 11C Km13+337.50 Box culvert 3x3 : : §é DC C AO ION IRECT 37 3m +3 3x .50 13 RT Km VE ONG D L I O CU A T OX N B C O LU ST CO ME m t .04 men lo p L = 1 08 ave ep gth ANALYSIS AND ASSESSMENT len t+ s - AT SECTION FROM STATION H7 TO H8 A PART OF ROAD BED .75 3m AT LEFT SIDE IS EMBANKMENT 9M FROM FOOTING OF SLOPE +681 mb a oting t 3x WITH SLOPE DEGREE 90%. en - AT SECTION ON BOX CULVERT 26C IS ALSO EMBANKMENT m 13 ver nkm ROAD BUT ON FEW SLOPE GROUND fo cul K SOLUTION METHOD ion ion B ox - EMBANKMENT SECTION ON BOX CULVERT IS STABLE THAN tat SECTION FROM STATION FROM H7 TO H8. EMBANKMENT AT ee dat S Station 26C Km13+681.75 SECTION FROM SATION H7 TO H8 IS STONE EMBANKMENT n AND APPLYING SAME CONSOLIDATION SLOPE METHODS OF oun S to Box culvert 3x3 SECTION KM14 TO KM15 §é : DC : - AT SECTION WHERE AS EMBANKMENT HEIGHT OVER 2M, IT f NEED SUPPLY PROTECTION RAIL AND ROAD BENCH MARK C AO - SEEING STRUCTURE OF CONSOLIDATION LOWER SLOPE IN BELLOW DRAWNING CROSS SECTION SOLUTION STONE EMBANKMENT AND SLOPE PAVEMENT Protection rail ION RECT G DI ON O LUC E CO M PLAN OF SETTING TRAFFIC SAFETY SYSTEM AND LAND RECLAIM BOUNDARY ANALYSIS AND ASSESSMENT - IN THIS SECTION, ROAD LINE PASS NEAR RICE FARM, BUT AT HIGH POSITION AND CROSSING IRRIGATION WORKS OF LOCAL PEOPLE - FORESTRY PLANTING AND RICE FARMING IS BASIS OF ECONOMIC OF LOCAL PEOPLE HERE. THUS, IN DESIGN AND CONSTRUCTION STAGE, IT NEED APPLY METHODS TO MINIMIZE EFFECT TO THEM TO ENSURE THEIR INTERESTS SOLUTION METHODS - DESIGN A SEWER D100 AT LOCATION OF IRRIGATION WORK - DURING CONSTRUCTION STAGE, IT NEED APPLY METHODS TO PREVENT SOIL AND STONE COME TO FARM SPECIAL IN RAIN TIME AND ENSURING MORMAL PRODUCT ACTIVITIES OF LOCAL PEOPLE: N + EXCAVATED SOIL AND STONE IS COLLECTED AND TRANSPORTED IRECTIO TO DISPOSAL SITE AT ONE + SUPPLYING DRAINAGE DITCH FOR CONSTRUCTION SITE AND WASTE WATER DITCH IS CHARGED OUT OF FARM ONG D C O LU CAO §é : DC : 2.5 1m 0 245.0 2.5 X 26.2 ME M 14 + L= ERT CO G TH T MEN CUL V ION K LEN AVE STAT BOX TIO N PE P NDA SL O DESIGN SOLUTION: CROSS SECTION OF CONSOLIDATION AT FOOTING OF EMBANKMENT SLOPE FOU TING §é : DC : FOO CAO STEP MAKING STATUS - ROAD SURFACE IS LOW, WATER FREE OVER FLOW - ROAD SURFACE IS MUDDY THAT DIFFICULTY FOR TRAFFIC HERE O§ : ANALYSIS é: DC - BASED ON HYDROGRAPHY, DESIGN BOX CA CULVERT 2,5X2,5 IS SUFFICIENT FOR DRAINAGE IN THIS AREA - NEAR DRAINAGE WORK, DUE TO HIGH EMBANKMENT OF ROAD BED THERE IS A SECTION 26 M LENGTH THAT'S POOR STABLE OF LOWER SLOPE . SOLUTION - SUPPLYING BOX CULVERT 2,5X2,5 FOR DRAINAGE THIS AREA - CONSOLIDATION AT UPPER AND LOWER OF CULVERT TO ENSURE DRAINAGE CAPACITY - FOOTING OF HIGH EMBANKMENT SLOPE IS CONSOLIDATED BY STONE PAVEMENT TO PREVENT EROSION AND SLOPE STABLE (CONSOLIDATION LENGTH IS 26,21 M) - FOR EMBANKMENT ROAD BED ON SLOPE, BASED ON LOPE DEGREE, APPLYING STEP MAKING FOLLOW PREVAILING REGULATION (EXSAMPLE SEE THE DETAIL IN DRAWNING) 0 077.0 =100 M 14 + IPE d ER P ION K SEW STAT LEGEND 215b DANGEROUS SIGN BOARD OLD ROAD ROAD BENCH MARK G ON LU : : §é DC SAFETY LANE NEW ROAD CO CAO (WAVE CORRUGATED IRON) ME CO : CAO §é DC : (3x3) 0 483.5 ERT 2 M 14+ CULV ION K BOX ST AT CAO §é : DC : CAO §é : DC : STATUS - ROAD LINE PASS THANH YEN VILLAGE - THANH SON COMMUNE, RESIDENT CONCENTRATE ON ROAD SIDES - NEW ROAD LINE IS CLOSE WITH OLD ROAD - NC SINH HOT CA BÀ CON C DN CH YU T TRÊN NÚI XUNG THEO CÁC MÁNG DN NC VÀO B NC. ANALYSIS AND ASSESSMENT - ROAD LINE PASS RESIDENT THAT EFFECT TO DAILY ACTIVITIES OF LOCAL PEOPLE - THE EFFECTS SUCH AS: NOISE, VIBRARION, DUST AND OTHER EFFECT TO WATER RESOURCE OF LOCAL PEOPLE IS HAPPENING IN CONSTRUCTION STAGE AND ALSO IN OPERATION STAGE - CONCENTRATING CONSTRUCTION WORKERS HERE ALSO GIVE EFFECT TO DAILY LIFE OF LOCAL RESIDENT ONG SOLUTION TO MINIMIZE EFFECT C O LU - LAND ACQUISITION PARTY IN CHARGE OF RELOCATION HOUSEHOLD IN LAND RECLAIM BOUNDARY. INFROMING TO THEM ON COMPENSATION POLICY FOLLWING STATE REGULATIONS - SETTING SUFFICIENT ROAD SIGN BOARD SYSTEM AS FOLLOW REGULATION IN RESIDENT AREA SUCH AS: SPEED LIMIT, GUIDE SIGN BOARD .... - MATERIAL TRANSPORT MEANS NEED COVERING SHEET TO MINIMIZE DUST AND DROPPING OF MATERIAL. - COORDINATION WITH LOCAL AUTHORITIES TO UPGRADE KNOWNEDGE TRAFFIC SAFETY OF LOCAL PEOPLE PLAN OF ARRANGMENT TRAFFIC SAFETY SYSTEM ME .00 DETAIL OF WATER COLLECTION CHAMBER FROM TOP DITCH CO 46 DC : §é 2 +8 2X : 14 AO t KM C er v n ul io c at x st bo é: : § DC AO Wet masonry stone mortar grade #100 C Crushed stone thick 10Cm m .19 4 =22 HL OP ENGT CH DIT L TAL TO T 00 20. 00 4+6 Æ1 M1 NK RT VE IO AT L CU ST : §é : O DC CA STATUS - AT EXCAVATION SLOPE IS HIGH SLOPE DEGREE. - AREA OF DRAINAGE BASIN IS MIDDLE SIZE - THERE IS NO DRAINAGE SOLUTION ANALYSIS AND ASSESSMENT - IN RAIN REASON, WATER VOLUME FROM SLOPE IS LARGE, IF DIRRECTLY DISCHARGE ON ROAD, SIDE DITCH WILL BE UNSUFFICIENT CAPACITY AND WATER OVER FLOW ROAD SURFACE. OVER SURFACE FLOW IS MAKING EROSION AND SLIDING OF EXCAVATION SLOPE AND TAKE AWAY SOIL AND MUDDY THAT FILL UP SIDE DITCH AND ROAD SURFACE TO OBSTACLE TRAFFIC é: : SOLUTION ION O§ DC CA + DESIGN SOLUTION ECT - DESIGN TOP DITCH, BERM DITCH WITH 224.19 M LENGTH FOR THIS BASIN - AT DISCHARGE POINT FROM TOP DITCH TO UPPER OF CULVERT IS HIGH SLOPE, THAT NEED IR ARRANGE WATER STEP TO REDUCE POWER OF FLOW AND NOT EFFECT TO WATER FLOW REGIME GD N LUO CO CROSS SECTION OF EMBANKMENT AND TION CONSOLIDATION SLOPE PAVEMENT REC E DI CO M : DC : CAO §é 1.55m H L=23 STEP MAKING (BERM) ITCH L E N GT TOP D T OT AL Footing foundation length L= 41.75 m STONE EMBANKMENT + SLOPE PAVING 0 .00 10 00 KM T Æ +9 14 R : E §é AT ULV : DC N CAO C IO ST STATUS m 5.04 - AT STARTING KM15 THERE IS EMBANKMENT ON HIGH DEGREE SLOPE; GOEGRAPHY IS SOIL HILL =2 - EMBANKMENT ON SLOPE IF EMBANK SLOPE 1:1.5 IT WILL HAPPEN THAT FOOTING OF H ITC HL EMBANKMENT SLOPE IS LENGTHEN AND HEIGHT OF EMBANKMENT IS LARGE AND POOR STABLE ON GT MD TI SOLUTION LEN EC BER - THIS SECTION IS CONSOLIDATED BY STONE EMBANKMENT WITH SLOPE 1:1 AND SLOPE R DI PAVEMENT TO MINIMIZE EMBANKMENT AREA AND STABLE EMBANKMENT SLOPE. T AL CONSOLIDATION LENGTH IS 41.75 M G N TO - HIGH SLOPE NEED MAKE STEP FOLLOW REGULATION TO MINIMIZE SLIDING HAPPEN DC é : UO § : - SUPPLYING TOP DITCH, BERM DITCH TO ENSURE DRAINAGE FROM SLOPE TO ROAD O L CA SURFACE AND MINIMIZE EROSION, SLIDING SLOPE CO ME > 500 150 STRUCTURE OF TOP 20% CO DITCH Crown Excavation slope 2 CONSOLIDATION TOP DITCH WHEN 150 SUFFICIENT CONDITION 50 Wet masonary stone 20 Mortar grade #100 thick 20 cm 50 Area of wet masonray stone mortar grade #100 S=0.46 m2 Area of ditch excavation S=0.96 m2 STATUS - AT SECTION FROM Km15+000-:-Km15+040, THERE IS HIGH SLOPE DEGREE AT LEFT SIDE. ROAD FOUNDATION EMBANKMENT ON SLOPE - GEOGRAPHY OF SURFACE LAYER IS CLAYDY, POOR STABLE WHEN 4 ORBSORBED OF WATER AND EASY HAPPENING EROSION - THERE IS A WATER SLOT CROSS THAT MAKING WET ROAD SURFACE SOLUTION FOR DRAINAGE ROAD FOUNDATION AND SLOPE - PAVING STONE ON SURFACE, DRAY STONE AT FOOTING FOUNDATION OF LOWER SLOPE AT SECTION FROM KM 15+00 TO KM 15+040 - SUPPLYING DRAINAGE ROAD SURFACE SYSTEM + SEWER PIPE + SIDE DITCH + DRAINAGE SYSTEM FOR SLOPE SUCH AS: BERM DITCH, TOP DITCH - SEEING STRUCTURE DETAIL IN DRAWNING 3 2 1 CONSOLIDATION SLOPE SURFACE BY DRY STONE G UON CO L MAKING STEP (BERM) 1 STATUS ME - SLOPE DEGREE IS ABOVE 40 % CO - THE HEIGHT OF EXCAVATION SLOPE IS LARGE - THE HEIGHT OF EMBANKMENT SLOPE IS LARGE, SOME SECTIONS FOOTING OF EMBANKMENT SLOPE IS ON HIGH SLOPE 1 - GEOGRAPHY OF SURFACE LAYER IS CLAYDY, POOR STABLE WHEN ORBSORBED OF WATER AND EASY HAPPENING EROSION DESIGN SOLUTION 2 - SUPPLYING TOP DITCH, BERM DITCH SYSTEM FOR PROTECTION HIGH EXCAVATION SLOPE - FOR SLOPE HEIGHT OVER 6M, IT MUST MAKE STEP FOLLOWING 3 DESIGN STANDARD - STONE EMBANKMENT, PAVING SURFACE OF UPPER SLOPE - DETAIL RECOMMENDATION: + MAKING STEP ON SLOPE AND BERM DITCH FOR SECTIONS: Km15+060-:-Km15+220, Km15+380-:-Km15+430, Km15+500-:-Km15+575 + SUPPLYING TOP DITCH FOR EXCAVATION SLOPE FROM Km15+000-:-Km15+200, Km15+360-:-Km15+800 + CONSTRUCTION WATER SLOPE AT LOCATION THAT HAVING CROSS DRAINAGE WORKS TO MINIMIZE EROSION AT LOWER SIDE - SEEING DETAIL IN DRAWNING STRUCTURE OF BERM DITCH ON SLOPE HAVING 2 STEP 200 1/m 4 10% 3 1/m Berm ditch 4 : : DC §é CONSOLIDATION BERM DITCH WHEN CONSOLIDATION BERM DITCH PASSING C AO 1 SUFFICIENT CONDITION STONE GROUND Finishing surface Surface after exploding 1/m 1/m 200 200 10% 40 40 1/m 10% 1/m Concrete grade #150 (10cm) Wet masonry stone mortar grade #100 STRUCTURE OF WATER STEP ON UPPER SLOPE 1/1.5 1/1.5 ONG Wet masonry stone mortar grade #100 thick 40 cm C O LU 3 Crushed stone thick 10 cm 4 Plaster with mortar grade #200 3 CO ME 2 ASSESSMENT ON TRAFFIC SAFETY MATER - ROAD LINE PASS THE TOPOGRAPHY THAT A SIDE IS HIGH MOUNTAIN, OTHER SIDE IS DEEP ABYSS NEAR BY MA RIVER 4 BANK. SOME SECTION IS LARGE SLOPE DEGREE, CONSEQUENCY SLOPE AND LIMIT OF VISION. ROAD WAIDE IS SMALL THAT MAKE STRESSFULL FOR DIVER. SPECIALLY IN NIGHT TIME, FOG OR RAIN THE DISTANT VISION IS REDUCED AND ROAD SURFACE IS 5 SLINY, THAT'S TIME EASY HAPPENING ACCIDENT. - BASED ON COLLECTED DATA, ACCIDENT IS MAINLY HAPPENING. SOME OF THEM IS MISSED CONTROL DRIVING DUE TO WET AND SLINY ROAD SURFACE. SOME IS CLASHED WITH CATTLE FREE ON Station P15 Km15+576.79 ROAD. THE REMAIN IS LIMITTED OF VISION AND UNCONTROL Box culvert 2x2 SPEED THAT VEHICLE FALL DOWN ABYSS OR CRACK SLOPE. THE ABOVE TYPE OF ACCIDENT COULD BE HAPPEN ON NEW ROAD. BESIDE, DU TO INCREASE OF TRAFFIC VOLUME ON NEW ROAD, IT'S ALSO ABLE MORE HAPPENING ACCIDENT SOLUTION TO ENSURE TRAFFIC SAFETY - SETTING ROAD BENCH MARK, SIGN BOARD SYSTEM AT SECTION THAT HIGH RISK OF ACCIDENT HAPPENING, HOT POT SUCH AS: INTERSECTION, HIGH SLOPE AND SMALL CURVE BENDY ..... 5 - AT SECTION THAT ROAD LINE NEAR BY ABYSS, BACK OF CURVE IS ABYSS, IT NEDD SET WAVE CORRUGATED IRON RAIL FOR WARNING AND SAFETY PURPOSE - WIDENING SAFETY LANE AND ROAD PROTECTION CORRIDOR TO LIMIT PASSINGER, CATTLE FREE PASSING ROAD, PREVENT LOCAL POEPLE USING ROAD FOR STORING MATERIAL - DETAIL RECOMMENDATION: + SETTING BENCH MARK, SIGN BOARD, WAVE CORRUGATED IRON AS IN THE PLAN + ROAD PREVENTION CORRIDOR IS AT LEAST 40M TO EACH SIDE COUNTING FROM ROAD EDGE Legend : Temporary house 2 215 House on stilts Ahead is deep abyss Brick house 3 Concrete house 4 Old road Fruit tree Forestry tree 220 Dangerous slope Surgar tree Rice farm Communication pole Low voltage electric pole High voltage 230 electric pole Cattle CO LUONG Wave corrugated iron Rod bench mark Triangle sign board 233 Round sign board Dangerous Rectangle sign board ME CO I WORKING SAFETY DURING CONSTRUCTION STAGE - IN THIS SECTION THERE IS NO RESIDENT, THAT'S ADVANTAGE CONDITION FOR CONSTRUCTION. HOWEVER, CONTRACTORS NEED BE CARE FOR SAFETY OF EQUIPMENT, WORKERS, WORK ITEM WHEN WEATHER CHANGING. - BEFORE STARTING THE WORK, CONSTRUCTION METHODS MUST BE CAREFULL PREPARATION AND GETTING APPROVAL FROM EMPLOYER - STRICTLY FOLLOWING REGULATIONS ON ENVIRONMENTAL SANITATION. FOR EXCAVATED SOIL AND CONSTRUCTION WASTE, FIRSTLY SALVAGE FOR EMBANKMENT AND BACKFILL, SURPLUS MUST TRANSPORT TO DISPOSAL SITE THAT GET AGREEMENT OF LOCAL AUTHORITIES. QUICKLY RESTORING PALN AFTER CONSTRUCTION COMPLETION. DUE TO IT'S ONE WAY ROAD AND MINIMIZING EFFECT TO TRAFFIC, MATERIAL AND EQUIPMENT MUST BE STORED IN APPROVAL SITE AND TIDY CO LUONG STATUS - SLOPE DEGREE IS LARGE, POPULAR OVER 40 % - THE HEIGHT OF EXCAVATION SLOPE IS LARGE - THE HEIGHT OF EMBANKMENT SLOPE IS LARGE, SOME SECTIONS THE FOOTING OF EMBANKMENT SLOPE IS ON LARGE SLOPE BED 4 - GEOGRAPHY OF SURFACE LAYER IS CLAYDY, POOR STABLE WHEN OBSORBED WATER AND EASY EROSION DESIGN SOLUTION 1 - APPLYING TOP DITCH, BERM DTCH AND WATER SLOPE SYSTEM FOR PROTECTION EXCAVATION SLOPE - FOR SLOPE HEIGHT OVER 6M IT MUST MAKE STEP FOLLOWING DESIGN STANDARD - STONE EMBANKMENT AND DRY STONE OF UPPER SLOPE - DETAIL RECOMMENDATION: + MAKING STAGE AND BERM DTCH AT SECTIONS: Km16+110-:-Km16+180, Km16+500-:-Km17+000 + SETTING TOP DITCH FOR EXCAVATION SLOPE + CONSTRUCTIONG WATER SLOPE AT STATIONS Km16+170, Km16+260, Km16+400 + STONE SURFACE PAVE. DRY STONE ATS FOOTING FOUNDATION OF LOWER SLOPE FROM Km16+110-:-Km16+160 STRUCTURE OF BERM DITCH ON SLOPE THAT 201b MAKING STEP 200 1/m 10% 1/m Berm ditch 4 CONSOLIDATION BERM DITCH WHEN CONSOLIDATION BERM DITCH ON SUFFICIENT CONDITION STONE GROUND Finishing surface Surface after exploding 1/m 1/m 200 200 40 10% 40 10% 1/m 1/m Wet masonry stone Concrete grade #150 (10cm) mortar grade #100 > 500 150 STRUCTURE OF TOP 20% DITCH Crown Excavation slope 2 CONSOLIDATION TOP DITCH WHEN 150 SUFFICIENT CONDITION 50 Wet masonry stone 20 mortar grade #100 thick 20 cm 50 Area of wet masonry stone mortar grade #100 S=0.46 m2 Area of soil excavation S=0.96 m2 STATUS - NEW ROAD LINE IS SAME OLD ROAD - SECTIONS FROM KM16+530 - Km16+598, Km16+670 - Km16+690, Km16+710.00 -:- Km16+722.00 SLOPE DEGREE AT LEFT SIDE IS LARGE - GEOGRAPHY OF SURFACE LAYER IS CLAYDY AND POOR STABLE WHEN OBSORBED OF WATER AND EASY EROSION DESIGN SOLUTION - APPLYING GRAVITY RETAINING WALL FOR SLOPE STABLE AND PREVENTION SLIDING - RETAINING WALL IS DESIGNED AS FOLLOW FIXACTIVE 86-06X FROM TRANSPORTATION TECHNICAL AND SCIENTIFIC INSTITUTE AND SPECIFICATIONS: + LOADING DESIGN H30-XB80. LIVING LOAD IS SET AT 1M FROM WALL 1 EDGE + EMBANKMENT SOIL FOR ROAD BED: INTERNAL FRICTION ANGLE , j=35° SPECIFFIC GRAVITY g=1.8 T/m3 + STRENGTHEN OF ROAD BED R=2Kg/cm2 + WALL BODY, TOP IS CONCRETE GRADE #150. + STONE FOR CONCRETE HAS STRENGTHEN AT SATURATED WATER CONDITION IS NOT LESS THAN 400Kg/cm2 + STRENGTHEN OF CEMENT AT 28 DAYS IS NOT LESS THAN 200Kg/cm2 - DIMENSION ON DRAWNING IS cm. DISTANT, ELEVATION IS m TYPICAL CROSS SECTION OF RETAINING WALL Concrete grade #150 2 Wet hole Crushed stone F>10cm Concrete grade #100 3 Concrete grade #150 5 2 4 ASSESSMENT ON TRAFFIC SAFETY MATER - ROAD LINE PASS THE TOPOGRAPHY THAT A SIDE IS HIGH MOUNTAIN, OTHER SIDE IS DEEP ABYSS NEAR BY MA RIVER BANK. SOME SECTION IS LARGE SLOPR DEGREE, CONSEQUENCY SLOPE AND LIMITED OF VISSION. ROAD WIDE IS SMALL THAT MAKE STRESSFULL FOR DRIVER. SPECIALLY IN NIGHT TIME, FOG OR RAIN THE DISTANT VISION IS REDUCED AND ROAD SURFACE IS SLINY THAT'S TIME EASY HAPPENING ACCIDENT. - BASED ON COLLECTED DATA, ACCIDENT IS MAINLY SELF HAPPENING. SOME OF THEM IS MISSED CONTROL DRIVING DUE TO WET AND SLINY ROAD SURFACE. SOME IS CLASHED WITH CATTLE FREE ON ROAD. THE REMAIN IS LIMIT OF VISION AND UNCONTROL SPEED THAT VEHICLE FALL DOWN ABYSS OR CRACK SLOPE. THE TYPE OF ACCIDENT COULD BE HAPPEN ON NEW ROAD. BESIDE, DUE TO INCREASE OF TRAFFIC VOLUME ON NEW ROAD, IT'S ALSO 215a ABLE MORE HAPPENING ACCIDENT SOLUTION TO ENSURE TRAFFIC SAFETY - SETTING ROAD BENCH MARK, SIGN BOARD SYSTEM AT SECTION TAHT HIGH RISK OF ACCIDENT HAPPENING, HOT POT SUCH AS: INTERSECTION, HIGH SLOPE AND SMALL CURVE BENDY ... - AT SECTION THAT ROAD LINE NEAR BY ABYSS, BACK OF CURVE IS ABYSS, IT NEED SET WAVE CORRUGATED IRON RAIL FOR WARNING AND SAFETY PURPOSE - WIDENING SAFETY LANE, AND ROAD PROTECTION CORRIDOR TO LIMIT PASSINGER, CASTTLE FREE PASSING ROAD, PREVENT LOCAL PEOPLE USING ROAD FOR STORING MATERIAL - DETAIL RECOMMENDATION: + SETTING BENCH MARK, SIGN BOARD, WAVE CORRUGATED IRON AS IN THE PLAN + ROAD PROTECTION CORRIDOR IS AT LEAST 40M TO EACH SIDE COUNTING FROM ROAD EDGE 2 3 4 5 PO STREAM BRIDGE AREA AT ME KM 17+157.50 STATUS CO - THERE IS NO DRAINAGE WORKS IN THIS AREA - WATER VOLUME OF PO STREAM IS LARGE, SPECAILLY IN RAIN REASON ANALYSIS - IT'S TRAFFIC DIFFICULTY IN PO BRIDGE AREA - HUGE WATER FLOW MAKING EROSION AT UPPER AND LOWER OF ROAD - AS FOLLOWING THE DESIGN, IT'S SUPPLYING SUFFICIENT WORKS FOR ENSURING DRAINAGE, ENVIRONEMENT AND LIVING LIFE MATERS IN THIS AREA SOLUTION - DESIGN SOLUTION : + DESIGN REINFORCEMENT CONCRETE BRIDGE, 1 SPAN 33M LENGTH, SIMPLE STRUCTURE + CONSOLIDATION FOR EROSION, FOOTING FOUNDATION AND APROACH ROAD + SETTING TRAFFIC SIGN BOARD SYSTEM - DURING CONSTRUCTION STAGE : + APPLYING CONSTRUCTION METHODS FOLLOWING VN STANDARDS TO STATUS ENSURE SAFETY FOR WORKERS AND LOCAL PEOPLE - HIGH SOPE DEGREE OF LOWER SLOPE IS LARGE ABOUT 80 % + CONSTRUCTION MATERIAL STORING SITE + USING EXCAVATED SOIL FOR EMBANKMENT AND BACK FILL. - THE HEIGHT OF SOIL EMBANKMENT IS LARGE SURPLUS SOIL MUST BE PUT IN REGULAR LOCATION (EXSAMPLE: - POOR STABLE SLOPE DISPOSAL SITE THAT AGREED BY LOACL AUTHORITIES AFTER COMPLETE CONSTRUCTION FOR RESTORE FLORISTIC COMPOSITION) ANALYSIS + CONTRCUTION CONTRACTORS NEED MAKE PLANNING ON SOCIAL - SECTION FROM KM 17+5.00 TO KM 17+50.00, SLOPE DEGREE IS INTERACTION SUCH AS: INFORM LOCATION OF WORK, EFFECTIVE AND HIGH, EASY HAPPEN SLIDING OF LOWER SLOPE TRAFFIC SAFETY SOLUTION TO LOCAL PEOPLE. - AT LOWER SLOPE SIDE IS MA RIVER, THUS, IT'S PAY ATTENTION - OPERATION STAGE : ON SAFETY FOR MEANS OF TRANSPORT ON ROAD + RESTORE PLAN AFTER CONSTRUCTION - AS DESIGN, THERE IS APPLY RETAINING WALL FOR ENSURING + RESTORE WATER FLOW SLOPE STABLE PURPOSE. SOLUTION - SUPPLYING RETAINING WAL FOR SECTION FROM KM17+5.00 - KM17+50.00 SOLUTION CROSS STRUCTURE - APPLYING RAVITY RATAINING WALL, MATERIAL COULD BE AS REQUIREMENT OF STABLE CONCRETE OR WET MASONRY STONE BASED ON LACAL CONDITION H - AT LOCATIONS WHERE AS BACK OF RETAINING WALL IS ABYSS, IT TC DI NEED SUPPLY PROTECTION RAIL OR RAISE UP WALL FOR GE NA PROTECTION PURPOSE h AI DR - SUPPLYING RETAINING WALL AT ROAD SHOULDER MAKING STAGE ON SLOPE h 151 Km17+60.00 h 2 1 :M 1 :M 1 SIDE DITCH - VALUE M1, M2 BASED ON GEOGRAPHY AND HEIGHT OF SOLPE - h<=6m DESIGN SOLUTION: RETAINING WALL AT KM17+21.31 P28 P28 STATUS Km17+21.31 - AT STATION KM17+60 IT'S DEEP EXCAVATION. THE DEEP OF EXCAVATION IS 30M. - GEOGRAPHY HERE IS WEATHERED STONE ANALYSIS PROTECTION RAIL - DUE TO DEEP EXCAVATION OF ROAD BED, IT'S EASY HAPPEN SLIDING EXCAVATION SLOPE - EXCAVATED ROAD, IT'S NECCESSARY PAYING ATTENTION TO SUFACE DARAINAGE AND CATCH BASIN WET HOLE SOLUTION - AS PREVAILING REGULATION, IT MUST MAKE STAGE ON SLOPE AT DEEP EXCAVATION G WET COLLECTION BASE LOCATION ON RETAING WALL - DESIGN BERM DITCH, TOP DITCH FRO DRAINAGE SURFACE WATER AT STAGE AND SLOPE. LU THE DITCH IS CONSOLIDTED (USING WET MASONRY STONE OR CONCRETE). THE STRUCTURE OF DITCH FOLLOW PREVAILING REGULATION (SEE DETAIL ON DRAWING) CO Co me direction STATUS - NEW CONSTRUCTION ROAD LINE IS SAME EXISTING ROAD LINE THAT PASSING PO VILLAGE - TRUNG SON COMMUNE - LOCAL PEOPLE HERE IS MAINLY THAI ETHINIC, LIVING CONCENTRATE ROAD SIDES - DOMESTIC WASTE WATER FREE DISCHARGE ON ROAD ANALYSIS - PAYING ATTENTION ON TRAFFIC SAFETY WHERE AS ROAD PASSING RESIDENT - ENVIRONMENT POLLUTION DUE TO DOMESTIC WASTE IS A PROBLEM SOLUTION - SETTING GUIDE AND SIGNBOARD SYSTEM IN THIS SECTION - DURING CONSTRUCTION STAGE + INFORM TO LOCAL PEOPLE ABOUT PROJECT IMPLEMENTATION + ENSURING SAFETY FOR CONSTRUCTION WORKERS AND LOCAL PEOPLE DURING CONSTRUCTION STATUS + MINIMIZING EFFECT: NOISE, VIBRATION, DUST .. - THERE IS NO DRAINAGE WORKS IN THIS SECTION TO SURROUNDING RESIDENT BY APPLYING - OVER WATER FLOW ON ROAD SURFACE TO MAKE EROSION AND OBSTACLE METHODS SUCH AS: USING EQUIPMENT LOW TRAFFIC NOISE, VIBRATION AND EXHUAST GAS - CATTLE FREE ON ROAD + WASTE RAISING FROM CONSTRUCTION MUST BE PUT IN DISPOSAL SITE THAT EMPLOYER AND ANALYSIS LOCAL AUTHORITIES HAVE BEEN AGREEMENT - DUE TO WATER FLOW, THERE IS HAPPENING EROSION ROAD EDGE AND ROAD SURFACE + CONSTRUCTION CONTRACTORS NEED MAKE ALWAY IN WET STATUS THAT IS DIFFICULTY FOR TRAFFIC PLANNING ON SOCIAL RELATION - CATTLE IS FREE BREEDING ON ROAD, THAT MAKING TRAFFIC OBSTACLE - DESIGN DRAINAGE WORKS HAVING SUFFICIENT ABLE CAPICITY IN CATCH AREA ANF APPLYING CONSOLIDATION FOR THE WORKS SOLUTION - SUPPLYING BOX CULVERT 2X2 M AT STATION KM 17+311.00 - CONSOLIDATION INLET AND OUT LET OF CULVERT TO MINIMIZE EROSION AND SLIDING. - SUPPLYING WAVE CORRUGATED IRON RAIL BOTH SIDES FOR ENSURING SAFETY OF TRANSPORT MEANS IN THIS AREA. - ADJUSTMENT ROAD LINE TO PERPENDICULAR WITH WATER FLOW drainage Design solution at KM 17+311,00 BOX CULVERT HéP (2X2) AT STATION 159C Km17+311.00 3.7% 3.7% Coc rete grade #250 1/1 Wet mas onry s tone #75 thick 25cm Crushed s tone lev eling 10cm Wet mas onry s tone #75 thick 25cm Concrete grade 100 thick 10cm Compaction waste stone Crushed s tone lev eling 10cm Compacted was te s tone thick 30cm G ON LU CO PLAN OF ARRANGEMENT TRAFFIC SAFETY SYSTEM 180 COME LAND RECLAIM BOUNDARY 47 99 43 TC35 215b 96 P35 96 96 TD35 07 100 H8 12 102 STATUS - THERE IS NO DRAINAGE WORKS IN THIS SECTION 36 10 28 23 179 178 96 96 100 m Slope protectio + dry stone - OVER FLOW WATER CROSS ROAD MAKING EROSION AT LOWER OF FLOW box culvert (3x3)m FOOTING FOUNDA TION LENGTH L= 37.20 177 - WATER FROM SLOT FLOW CROSS ROAD AND INLET INTO MA RIVER station Km17+763.50 176C ANALYSIS 92 - WATER FLOW MAKING EROSION AT LOWER AND PUT ROAD SURFACE IN 175 WET STATUS, DIFFICULTY FOR TRAFFIC 28 86 TC34 - IT NEED SUPPLY DRAINAGE WORKS IN THIS AREA 96 SOLUTION 97 174 Ditch on berm L= 150.05m 45 - SUPPLYING BOX CULVERT 3X3 M AT STATION KM 17+763.5 97 - CONSOLIDATION UPPER AND LOWER OF CULVERT TO MINIMIZE SLIDING, EROSION , SPECAILLY AT LOWER DUE TO HIGH DEGREE OF LOWER SLOPE IT'S NECCESSARY TO DESIGN WATER STEPS AND FOOTING FOUNDATION. SEE P34 DETAIL IN DESIGN DRAWNING. FOOTING FOUNDATION LENGTH IS 37.2 M 53 - SUPPLYING WAVE CORRUGATED IRON RAIL BOTH SIDES FOR ENSURING 101 TOP DITCH L= 358.02m SAFETY OF TRANSPORT MEANS IN THIS AREA. - ADJUSTMENT ROAD LINE TO PERPENDICULAR WITH WATER FLOW 65 62 H7 TD34 97 97 173 30 99 drainage Design solution at KM 17+763,50 Box culvert 3X3M at station 176c Km17+763.50 30 172 20 30 26 20 7 5x10 =750 75 100 439 98 375 381 373 100 61 1.3% 2.0% 102 46 30 30 97 28 c oncrete grade #250 250 940 300 291 60 25 171 28 50 19 Wet mas onry s tone #75 thick 25cm 10 60 10 Crushed s tone lev eling 10cm Wet mas onry s tone #75 thick 25cm 30 Crushed s tone lev eling 10cm 101 50 30 373 80 200 Concrete grade 100 thick 10cm Compacted was te s tone thick 30cm 20 20 TC33 80 439 30 945 86 20 20 65 5 0x10 =500 Dry stone DC : 98 87.28 30 75 P33 10 50 26 99 CO LUONG H6 103 102 TD33 84 66 STATUS - HORIZON SLOPE DEGREE OF LOWER SLOPE IS HIGH ABOUT 80 % - MAILY SOIL SLOPE, MANY SECTION IS SLIDED - UNSTABLE SLOPE ANALYSIS - SECTION FROM KM 17+945.00 TO KM 18+0.00, HIGH SLOPE DEGREE, IT'S ESEAY HAPPENING SIDE OF LOWER SLOPE - LOWER SLOPE SIDE IS MA RIVER, THUS IT NEED TAKE ATTENTION ON SAFETY FOR MEANS OF TRANSPORT SOLUTION - DESIGN RETAINING WALL FROM KM17+945.00 TO KM18+00 - APPLYING GRAVITY RETAINING WALL, MATERIAL COULD BE CONCRETE OR WET MASONRY STONE BASED ON LOCAL CONDITION - AT LOCATION WHERE AS BACK OF RETAINING WALL IS ABYSS, IT NEED SUPPLY PROTECTION RAIL OR RAISE UP WALL FOR PROTECTION PURPOSE - SUPPLYING RETAINING WALL AT ROAD SHOULDER C OME TOTAL LE DESIGN SOLUTION: RETAINING WALL AT KM17+481.00 NGTH L= TOP DITC 97.22 2.0% 97.30 864.64m H PROTECTION RAIL 1/1.5 WET COLECTION BASE WET HOLE LEGEND Berm ditch L= 297.52m 215b DANGEROUS SIGN BOARD OLD ROAD RETAINING WALL ROAD BENCH MARK SAFETY RAIL NEW ROAD (WAVE CORRUGATED IRON) PLAN OF ARRANGMENT TRAFFIC SAFETY SYSTEM SOLUTION TO COLECTION WATER ON SLOPE DESIGN TOP DITCH 185 Top ditch 58 95 >=1m 184 90 95 TC39C 84 >=5m 95 Slope of excavation road bed P39C Top ditch must be consolidated with dry stone 64 or wet masonry stone 95 Road bed TC37A - Catch basin of slope is large, high slope degree and wide TD39C 18 72 - When rain it's easy happening erosion and sliding slope. 101 100 - Thus, top ditch is design solution to stable slope and ensuring that water from slope not over flow road surface. Top ditch is design meet requirement as below: P37A + Correction design top ditch structure. 12 + Manual dredging sediment during operation satge to 97 maintain drainage ability + Top ditch is consolidated with dry stone or wet masonry stone TD37A 11 94 TD38C 68 94 TC37C 28 95 TC36A 64 14 KM18 95 DRAINAGE SOLUTION AT KM18+75.65 94 DESIGN SEWER PIPE D=1M STATUS ION - NEW ROAD LINE IS SAME WITH EXSISTING ROAD LINE - THERE IS NO DRAINAGE WORKS CROSSING ROAD CT Wet masonry mortar stone grade #75 thick 25Cm - WATER VOLUME FROM SLOPE IS LARGE IR E Leveling crushed stone thick 10Cm C ANLYSIS GD 4.0% 4.0% - WATER OVER FLOW ROAD MAKING DAMANGE AND EROSION ROAD SURFACE ON - WATER VOLUME FROM SLOPE IS LARGE, SIDES DITCH IS NOT ABLE FOR DRAINAGE SO THAT WATER OVER FLOW ROAD AND DAMANGE TO WORKS. LU 10 100 100 CO 100 SOLUTION 0.5% - DESIGN SEWER PIPE D=1M AT STATION KM18+75.65 10 - CONSOLIDATION UPPER AND LOWER OF DRAINANGE WORKS. AT UPPER, IT NEED SUPPLY INLET HOLE TO RECEIVE WATER FROM TOP DITCH. AT LOWER Wet masonry mortar stone grade #100 Foundation with crushed stone thick 30Cm DESIGN WATER STEPS TO REDUCE VELOCITY OF WATER FLOW . Leveling crushed stone thick 10Cm SEEING DETAIL IN DRAWING. Wet masonry mortar stone grade #100 - DESIGN TOP DITCH TO COLLECT WATER FROM SLOPE Leveling crushed stone thick 10Cm Consolidation at lower to minimize erosion ON PLAN OF ARRANGMENT TRAFFIC SAFETY SYSTEM ECTI 193 E DIR 78 95 CO M SOLUTION TO INCREASE STABLE OF SLOPE 192C 53 93 1/1.00 191 77 93 TC42 1/0.75 99 95 Dry stone+step making 4.0% 4.0% 4.0% 4.0% P42 29 96 H4 62 1: 1 98 TD42 73 100 190C 18 99 - At station Km18+280.00 - Km18+351.61 slope degree of lower slope ia large. To increase stable os slope and reduce embankment volume, it 189 23 recomend applying dry stone embankment solution. Slope of enbankment 100 TC41 as regulation is 1:1. 91 - Where as high slope, making step before stone embankment. 98 - Embankment material could be taken from local stone mine P41 81 95 TD41 56 96 H3 82 100 188 01 100 TION 187 45 34 TC40 100 100 CO LUONG DIREC 186C 17 08 P40 95 95 PLAN OF ARRANGMENT TRAFFIC SAFETY SYSTEM ON CTI IR E DRAINAGE SOLUTION AT KM18+662.72 D DESIGN BOX CULVERT 2x(3x3)m ME Protection rail CO 2.0% 1.8% 1/1.50 Detail A Concrete grade #250 W et masonr y mor tar gr ade #75 thick 25cm Detail B Leveling cr ushed stone thick 10Cm W et masonr y mor tar gr ade #75 thick 25cm C Leveling cr ushed stone thick 10Cm Concrete grade #100 thick 10cm Compaction waste stone thic k 30cm 1/2 CROSS SECTION a-a 1/2 CROSS SECTION b-b - At station Km18+662.72 there is no drainage work, water flow cross road, and erosion at lower of it. - In design, it supplies drainage work here. Due to water volume is large that box culvert 2x(3x3)m is design. - During construction stage, water flow is diverted perpendicular with road line. - Setting safety lane, bench mark in construction area. Seeing deatil in plan of arrangment safety lane. RECTION CO LOUNG DI DRAINAGE SOLUTION AT KM18+947.00 LEGEND DESIGN SEWER PIPE D=1M 215b DANGEROUS SIGN BOARD OLD ROAD C ROAD BENCH MARK 2.8% 2.8% 1/1.00 Dr y stone thick 16Cm Leveling cr ushed stone thick 10Cm 1/1.50 SAFETY LANE (WAVE CORRUGATED IRON) NEW ROAD 4/1 Dr y stone thick 16Cm Leveling cr ushed stone thick 10Cm 100 W et masonr y mor tar stone grade #75 thick 25cm 1 Leveling cr ushed stone thick 10Cm F oundation wet masonr y mor tar stone grade #100 15% Leveling cr ushed stone thick 10Cm N 4/1 W et masonr y mor tar stone grade #100 TIO Leveling cr ushed stone thick 10Cm Compacted cr ushed stone EC PLAN OF ARRANGMENT TRAFFIC SAFETY IR W et masonr y mor tar stone grade #100 Leveling cr ushed stone thick 10Cm SYSTEM ED Consolidation atlower 90 M 102 STATUS CO KM19 TD49 93 - In area of Km18+947.00 there is a quite water slot crossing road 102 - Thus, it need supply design solution and treatment works to ensure regime of flow 211 22 specially in rain reason, to minimize effect environment in this area. 105 TC48 DESIGN SOLUTION 06 51 105 210 - At station Km18+947.00 recomend installation sewer pipe. The slope of sewer bed is 15 %. 102 - To ensure stable of work, the bed is consolidated (see detail in drawing) 209 P48 86 101 11 - To prevent erosion and sliding in operation stage, upper and lower of sewer is consolidated 101 208C 91 02 TD48 96 95 207 96 103 101 100 LAND RECLAIM BOUNDARY 206 17 01 205 H9 50 104 204 36 102 203 08 ON 98 G DIRECTI 202 54 98 CO LUON TC47 64 99 PLAN OF RETAINING WALL OF DRAINAGE WORK TION DESIGN SOLUTION AT KM19+125.00 AT STATION KM 19+125,00 DIREC ENVIRONEMENT PROTECTION METHODS Safety rail CO ME 101.00 101.09 101.11 Retaining wall 1/1.50 1/1.50 Detail A PLAN OF ARRANGEMENT TRAFFIC SAFETY Reinforcement c oncrete grade #250 SYSTEM AT AREA KM 19+125.00 94.09 93.10 93.60 3% 93.28 TC50 Wet mas onry mortar stone grade #100 10c m lean c oncrete grade #100 30c m compac ted waste stone 16 50 60 03 57 Lev eling crus hed stone thick 10cm Wet mas onry mortar stone grade #75 Wet mas onry mortar stone grade #100 thick 25cm Lev eling crus hed stone thick 10cm 99 99 99 102 102 220 Lev eling crus hed stone thick 10cm 219 P50 Dry s tone 218 TD50 217C 3133 9494 216 RECOMENDATION METHODS FOR ENVIRONMENT PROTECTION AND TRAFFIC SAFETY 55 99 - At station 19+125.00 there is a water slot cross existing road. In this section, 215 42 road surface is alway in wet condition and muddy that's difficulty for traffic 100 - New road line cross the water slot. Based on large water volume in rain reason, H1 62 it recommend construct box culvert 2.5x2.5m in this location. 103 - The height of embankment over box culvert is large, to increase stable of embankment, it recommend construct retaining wall at lowee of culvert from station Km19+110 to Km 19+140 214 49 - Slope degree at lower of culvert is large (about 90 %) and huge water volume, 104 it alway happen erosion and sliding that effect to soil and water environment in DESIGN TOP DITCH FOR WATER COLLECTION this area. Thus, it recommend construct water slope (seeing detail in drawing) - Due to height embankment, to increase safety level, it recommend supply 213 protection rail and road bench mark in this area 38 105 (Similar as previous) 212 02 105 TC49 93 103 215b P49 90 79 KM19 102 102 LEGEND ION CT 215b DANGEROUS SIGN BOARD IR E OLD ROAD GD ROAD BENCH MARK ON LU CO SAFETY LANE NEW ROAD (WAVE CORRUGAETD IRON) ON CTI DIR E ME COM 7C 07 90 91 19 98 6C 101 5C 95 98 99 4C TD55C 0 .0 95 00 ANALYSIS AND SOLUTIONS FOR ENVIRONEMENT PROTECTION IN AREA OF TRUNG SON PEOPLE COMMITTEE 32 79 89 3C 91 2C STATUS 86 - NEW ROAD LINE IS SAME AS OLD ROAD, THAT 237A 00 87 PASS AREA OF TRUNG SON PEOPLE COMMITTEE 236A 13 45 88 - RESIDENT HERE IS MAINLY THAI ETHNICS, 95 96 93 91 CONCENTRATING LIVING ROAD SIDES - POPULAR OCCUPATION HERE IS SMALL SIZE 236A1 235A TRADING 69 53 33 89 89 ANALYSIS 234A 233A 231A - DUE TO RESIDENT CONCENTRATE ROAD SIDES, 99 98 96 53 DC : é: SO THAT TRAFFIC SAFETY MATER SHOULD BE C AO § 99 PAYING ATTENTION - ENVIRONEMENT POLUTION DUE TO DOMESTIC WASTE IS PROBLEMS SOLUTION 230A 76 - SEETING TRAFFIC GIUDE AND SIGN BOARD IN 99 THIS SECTION - DURING CONSTRUCTION STAGE: + INFORM LOCAL PEOPLE ON PROJECT 229A + TO ENSURE SAFETY FOR WORKERS AND LOCAL 43 PEOPLE DURING CONSTRUCTION PROCESSING 99 + MINIMIZING EFFECTS SUCH AS: NOISE, VIBRATION, DUST ... TO SURROUNDING RESIDENT N CTIO BY USING EQUIPMENT THAT'S LOW NOISE, VIBRATION AND EXHAUST GAS. 228A 93 + CONSTRUCTIION WASTE MUST PUT IN DIRE DISPOSAL SITE THAT EMPLOYER AND LOCAL 97 AUTHORITIES HAVE AGREED ONG + CONSTRUCTION CONTRACTOR NEED PLAN ON SOCAIL RELATION AND LOCAL AUTHORITIES H5A COLU 29 97 227A N IO PLAN OF ARRANGEMENT TRAFFIC SAFETY CT SYSTEM AT ENDING OF AREA KM 19+00 RE DI E M ST 20 CO ST ONE 106 ON E E T MB O AN IN KM CR EA ENT 251 SE + 97 SL SL O 104 OP PE E S DR TA Y BL E H9 96 107 TC58 92 103 P58 80 103 TD58 79 109 250 63 249 103 107 50 STATUS 248 103 52 - NEW ROAD LINE QUITE CONCUR WITH OLD LINE BUT IT'S AT HIGH ELEVATION 247C 52 - SLOPE DEGREE OF LOWER SLOPE (MA RIVER BANK) IS 95 ABOVE 35 %. MANY SECTION IS SLIDING, SPECAILLY NEAR 246A WATER SLOT 08 103 SOLUTION 244A 245A 92 105 - DESIGN DRAINAGE WORK SUFFICIENCE ABLITY FOR CTCH TC56C BASIN. 2 SEWER PIPES D=1.5M IS MEET DRAINAGE 16 01 REQUIREMENTS 105 105 - STONE EMBANKMENT+ DRY STONE ON SLOPE TO INCREASE STABLE H8C - AT HIGH EMBANKMENT SECTION IT NEED SET ROAD BENCH 20 MARK, SAFETY LANE TO ENSURE FOR TRANSPORT MEANS 107 (SEEING DETAIL IN PLAN OF ARRANGEMENT TRAFFIC SAFETY SYSTEM) - DRAINAGE WORKS IS SETTLE AS DESIGN é: O§ : DC PAO STREAM BRIDGE AREA AT STATION KM CA 19+620.92 STATUS - AT STATION KM 19+620.92 THERE IS A WATER SLOT CROSSING ROAD - WATER VOLUME IS LARGE - THERE IS NO DRAINAGE WORKS SOLUTION - DESIGN REINFORCEMENT CONCRETE BRIDGE WITH SIMPLE STRUCTURE SPAN N - CONSOLIDATION FOR PROTECTION EROSION AT CTIO APROACH ROAD - SETTING TRAFFIC SIGN BOARD DIRE - APPLYING SOLUTION FOR ENSURING SAFETY DURING CONSTRUCTION AS WELL AS MINIMIZING EFFECT TO ENVIRONEMENT DUE TO PROJECT ACTIONS AS SAID TO UONG AREA OF PO STREAM BRIDGE KM 17+157.50 CO L P62 29 97 ECTION H2 TD62 7306 97 98 CO ME DIR SOLUTION FOR CROSS SECTION STRUCTURE AS STABLE REQUIREMENTS 257 43 101 1/1.00 - VALUE M2 BASED ON GEOGRAPHY CONDITION 256 AND HEIGHT OF SLOPE 03 03 112 108 255 - H <= 6m 1/M2 0 0 0 TC61 31 255 Km20+160.00 109 215b STEP MAKING ON SLOPE P61 DRAINAGE DITCH 10 105 1/M2 H TD61 37 33 109 107 H1 3. 0% 2. 0% 2. 0% 3. 0% 254 64 79 TC60 108 106 P60 77 103 TD60 82 103 253 84 105 ANALYSIS AND ENVIRONMENT PROTECTION METHODS 252 03 STATUS 112 - ROAD LINE IS DESIGNED ON HILL SLOPE AND DIFFER WITH EXISTING ROAD LINE - SECTION FROM KM 20+00 TO KM 20+164.55, EXCAVATION OF ROAD BED IS DEEP AND THE LENGTH OF SLOPE IS LARGE KM20 - GEOGRAPHY IS WEATHERED STONE 108 64 ANALYSIS DIRECTION - DUE TO DEEP EXCAVATION ROAD BED, IT'S EASY HAPPEN SLIDING OF EXCAVATION SLOPE - EXCAVATION ROAD, IT'S NECCESSARY PAY ATTENTION ON DRAINAGE SYSTEM FOR SURFACE WATER AND CATCH BASIN LEGEND SOLUTION CO LUONG 215b DANGEROUS SIGN BOARD - AS FOLLOWING PREVAILING REGULATION, WHERE AS DEEP OLD ROAD EXCAVATION, ITS MUST MAKE STEP ON SLOPE ROAD BENCH MARK - DESIGN BERM DITCH, TOP DITCH FOR DRAINAGE OF STEP AND SLOPE. THE DITCH IS CONSOLIDATED (WET MASONRY STONE OR CONCRETE). DITCH STRUCTURE FOLLOW PREVAILING REGULATION SAFETY LANE (WAVE CORRUGATED IRON) NEW ROAD TYPICAL CROSS SECTION OF RETAINING WALL Concrete grade #150 Wet hole Crushed stone F>10cm Concrete grade #100 N IO CT D IRE ME Concrete grade #150 CO ROAD BOUNDARY AND METHODS TO ENSURE TRAFFIC SAFETY NOI2 113 H4 24 111 C264M 62 97 TC63M 79 107 263M 66 106 P63M 36 107 LAND RECLAIM 262M BOUNDARY 64 STATUS 105 - SLOPE DEGREE OF LOWER SLOPE IS LARGE ABOUT 50% TD63M - HEIGHT SOIL EMBANKMENT IS LARGE 62 0 0 0 - SLOPE STABLE IS POOR 102 0 ANALYSIS 261M - SECTION FROM KM 20+240 TO KM 20+331.23, SLOPE DEGREE IS 14 LARGE, IT'S EASY HAPPENING SLIDING OF LOWER SLOPE 100 - AT LOWER SLOPE SIDE IS MA RIVER, THUS, IT'S NECCESSARY PAY ATTENTION ON TRAFFIC SAFETY MATER - AS FOLLOWING DESIGN, TO ENSURE SLOPE STABLE, RETAINING WALL SYSTEM IS CONSTRUCTED IN THIS SECTION 260 00 96 SOLUTION DIRECTION - DESIGN RETAINING WALL FROM KM 20+240.00 - KM20+331.23 - APPLYING GRAVITY RETAINING WALL, MATERIAL COULD BE 259 215a CONCRETE OR WET MASONRY STONE BASED ON LOCAL CONDITION 19 97 - AT LOCATIONS WHERE AS BACK OF RETAINING WALL IS ABYSS, IT NEED SUPPLY PROTECTION RAIL OR RAISE UP WALL FOR COLUONG PROTECTION PURPOSE - SUPPLYING RETAINING WALL AT ROAD SHOULDER 258 28 98 TC62 41 97 GENERAL INFORMATION OF CO ME BRIDGE AREA Is olation tree Bridge Culv ert ATTENTION MATERS L TE IA SI AND MINIMIZING MEASUREMENTS ER ON AT ATI M C - WATER VOLUME OF FLOW IN THIS AREA IS QUITE I BR LARGE, SPECIAL IN RAIN REASON. THUS, EROSION OF FA ABUTMENT NEED CAREFULLY CALCULATE AND CHECK. TO MINIMIZE EROSION, IT RECOMEND TO USE SOLID CONCRETE ABUTMENT AND BORE PILE FOR FOUNDATION - IN AREA OF APPROACH ROAD AT OLD ROAD SIDE, THERE IS SOME TOMBS IN LAND ACQUISISTION AREA. CONSTRUCTION CONTRACTOR AND CONSULTANT NEED AGREE WITH LOCAL AUTHORISTIES IN RELOCATION OF THE TOMBS - TO ENSURE TRAFFIC SAFETY AT AREA OF ROAD AND BRIDGE BY SUPPLYING SIGNBOARD, PAINTING AND SPEED DOWN EDGE SYSTEM AND DESIGN CONJUNCTION MEET REQUIREMENT ON TECHNICAL SPECIFICATIONS - AREA OF ABUTMENT (FOOTING), IT NEED CONSOLIDATE WITH WET MASONRY MORTAR STONE TO STABLE THIS AREA. APROACH ROAD AREA, EMBANKMENT SLOPE NEED CONSOLIDATE WITH WET MASONRY MORTAR STONE OR DRY STONE PAVEMENT TO STABLE SLOPE - FOR FABRICATION AREA IS NEAR BRIDGE CONSTRUCTION SITE, IT'S ADVANTAGE FOR TRANSPORTATION AND CONSTRUCTION OF BRIDGE. HOWEVER, IT'S ALSO NEAR OLD ROAD LINE FROM CO LUONG TO CO ME, SO THAT IT WILL EFFECT OT TRANSPORTATION MEANS PASSING HERE DURING CONSTRUCTION PERIOD. IT'S ALSO PAY ATTENTION ON WASTE TREAMENT IN CONSTRUCTION STAGE. THUS, IT NEED APPLY METHODS TO TRAFFIC SAFETY AND WASTE TREATMENT MATERS AS FOLLOWS: + PUBLIC INFORMATION CONSTRUCTION SITE TO LOCAL PEOPLE AND AUTHORITIES + SUPPLYING COVER SYSTEM TO PREVENT SOIL AND STONE OVERFLOW ON ROAD + RESTRICTION PUT CONSTRUCTION WASTE IN TO RIVER/STREAM. THEY MUST BE TRNASPORTED TO DISPOSAL SITE THAT AGREEMENT WITH LOCAL AUTHORITIES. + CONSTRUCTION SITE IS NEAR RESIDENT, SO THAT IT NEED TRAIN ACKNOWLEGE OF WORKERS IN TAKING FRIENDLY RELATION WITH LOCAL PEOPLE AND TO MINIMIZE EFFECT TO DAILY ACTIVE HABIT OF THEM + RESTORE PLAN AND GREEN COVER AFTER COMPLETION CONSTRUCTION DESIGN SOLUTION ATTENTION MATER DURING CONSTRUCTION PERIOD - CO ME BRIDGE IS UNDER TRUNG SON HYRDOPOWER PLANT - SATISFACTION COMPENSATION AND QUICK LAND ACQUISISTION TO TAKE PASS MA RIVER IN AREA OF TRUNG SON COMMUNE - QUAN HOA ADVANTAGE FOR CONSTRUCTION CONTRACTORS (SEE REPORTING DISTRICT - THANH HOA PROVINCE DOUMENT OF CONSULTANT ON LAND RECLAIM AND RESETTLEMENT) - CO ME BRIDGE IS 8 SPAN L=33M, BRIDGE WIDE IS 8 M, TOTAL - IT NEED SET APPROCIATE CONSTRUCTION ARRANGEMENT AND WORKING LENGTH OF BIDGE BETWEEN 2 ABUTMENT IS 274.45 M TIME TO PREVENT OF TRAFFIC JAM. - WITH THIS DESIGN, IT ENSURE OF BOATING APERTURE AND - STRICTLY FOLLOWING REGULATION ON SAFETY, ENVIRONMENT. DISTANT HEIGHT WHEN FLOOD. CONSTRUCTION WASTE MUST BE TRANSPORTED TO DISPOSAL SITE THAT IS - APROACH ROAD IS DESIGNED TO CONNECTS WITH AGREED WITH LOCAL AUTHORITIES CONJUNCTION TO DAMP AND CONSTRUCTION SITE - AFTER CONSTRUCTION STAGE, IT NEED RESTORE PLAN AND GREEN COVER