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From the above data, it is clear that the rainy season stretches from May to October and the dry season from November to April. The water level of the river is shown Table 3-12 and the high water period stretches mainly from July to December. The high water period begins slightly later than the rainy season. TT Station Table 3-10 Humidity Recorded at My Tho Station 3-25 Month I II III IV V VI VII VIII IX X XI XII Average absolute humidity by month and year (mbar) 1 My Tho 25.4 26.0 27.9 30.1 31.4 31.0 30.4 30.2 30.2 30.1 28.9 26.2 29.0 Average comparative humidity by month and year (%) 1 Mỹ Tho 79.4 78.3 78.2 77.8 81.4 83.4 83.9 84.2 84.9 85.5 83.3 81.5 81.8 Lowest comparative humidity by month and year (%) 1 Mỹ Tho 58.2 57.5 56.5 57.2 63.0 68.9 71.0 70.7 70.5 71.1 66.7 61.8 64.4 Lowest absolute humidity by month and year (%) 1 Mỹ Tho 38 37 39 34 42 48 51 50 52 51 48 41 34 Source: Hydro-meteorological Data Center under Hydro-meteorological Service of Vietnam From this table, the comparative humidity is high, about 80% year round. Even in the dry season, the comparative humidity is almost the same as in the rainy season. The wind data is shown below. TT Station 1 My Tho Table 3-11 Average Monthly and Yearly Wind Velocity (m/s) Recorded at My Tho Station Month I II III IV V VI VII VIII IX X XI XII 1.7 2.4 2.4 1.9 1.2 1.8 1.8 2.1 1.5 1.1 1.2 1.1 1.7 Source: Hydro-meteorological Data Center under Hydro-meteorological Service of Vietnam From these data, it is evident that the rainy season in the area around the bridge site is from May to November. The observed wind velocity, which is important for the long span bridge design, is low. Nevertheless, the design wind speed must be calculated based on strong winds brought by typhoons and extreme value distribution data. The design wind speed of U10=40 m/s will be adopted for designing the Second My Thuan Bridge, as specified in the Vietnamese standard. The highest and lowest water levels at the Tien Gian River recorded for 32 years at My Thuan Station, are shown in the following Table 3-12: Year Year
Table 3-12 Water level of the Tien Gian River Recorded at My Thuan Station Station: MY THUAN Latitude: 109 o 18' 25'' River: Tien Longitude: 13 o WATER LEVEL (cm) 04' 10'' Month Levels I II III IV V VI VII VIII IX X XI XII Year 1977 Highest 123 94 90 74 96 114 134 141 139 119 141 Date 15 15-X Lowest -83 -136 -149 -148 -141 -83 -68 -14 -37 -75 -149 Date 12 12-V 1978 Highest 109 87 85 72 87 106 99 121 133 160 144 125 160 Date 17 17-X Lowest -89 -87 -130 -170 -160 -100 -81 -73 -8 40 -6 -52 -170 Date 30 30-IV 1979 Highest 110 90 94 73 73 90 110 110 132 143 124 112 143 Date 7 7-X Lowest -83 -127 -127 -139 -145 -134 -67 -82 -27 -9 -29 -79 -145 Date 19 19-V 1980 Highest 115 112 100 103 83 95 113 122 151 149 151 131 151 Date 27 27-IX Lowest -108 -124 -114 -133 -134 -113 -120 -70 -28 31 17 -26 -134 Date 9 9-V 1981 Highest 118 114 108 91 103 116 121 131 145 148 151 141 151 Date 13 13-XI Lowest -55 -103 -113 -123 -122 -117 -55 -31 -18 -19 14 -49 -123 Date 13 13-IV 1982 Highest 124 111 100 104 101 89 112 120 139 151 152 141 152 Date 2 2-XI Lowest -74 -114 -116 -130 -141 -127 -104 -86 -37 9 -4 -52 -141 Date 2 2-V 1983 Highest 131 107 100 87 77 97 92 128 136 141 153 138 153 Date 5 5-XI Lowest -79 -102 -139 -131 -130 -139 -114 -90 -46 -40 21 -17 -139 Date 25 25-III 1984 Highest 124 115 113 88 89 92 104 136 151 156 150 135 156 Date 25 25-X Lowest -68 -90 -129 -127 -133 -136 -86 -68 0 19 10 -40 -136 Date 21 21-VI 1985 Highest 116 107 122 104 95 101 114 125 147 150 153 142 153 Date 13 13-XI Lowest -68 -95 -108 -134 -119 -139 -86 -68 -28 18 -20 -47 -139 Date 10 10-VI 1986 Highest 140 127 123 109 114 91 112 130 136 155 156 144 156 Date 3 3-XI Lowest -80 -109 -127 -132 -155 -116 -103 -72 -44 12 -5 -52 -155 Date 17 17-V 1987 Highest 128 126 119 105 90 86 100 120 136 149 138 140 149 Date 8 8-X Lowest -65 -112 -131 -130 -130 -138 -132 -98 -43 -11 -30 -50 -138 Date 14 14-VI 1988 Highest 125 120 107 102 96 96 100 140 137 140 140 122 140 Date 29 29-VIII Lowest -84 -101 -131 -126 -140 -130 -112 -91 -52 -52 -12 -62 -140 Date 24 24-V Source: Hydro-meteorological Data Center under Hydro-meteorological Service of Vietnam 3-26
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STUDY ON ECONOMIC PARTNERSHIP PROJE
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PREFACE This Report is prepared by
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1 2 3 NH30 Tien Giang Trung Luong -
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MOT Ministry of Transport MPI Minis
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(4) Implementation Program (I/P) to
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4.3 Environmental Legislations ....
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APPENDIX Appendix-I Drawings Append
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Figure 3-27 Steel Arch Bridge .....
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LIST OF TABLES Table 1-1 Balance of
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Table 5-16 FIRR Calculation .......
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1.2 Transport Sector in Vietnam 1.2
Page 23 and 24: North-South - Hanoi - HCMC Ring Roa
Page 25 and 26: Railway are listed as projects to b
Page 27 and 28: (2) Pre-F/S for Planning of Ho Chi
Page 29 and 30: No. Table 1-6 Ethnicity 1-10 Kinh (
Page 31 and 32: Table 1-7 Temperature Month 1 2 3 4
Page 33 and 34: Table 1-10 List of Industrial Devel
Page 35 and 36: Table 1-11 and Figure 1-4 show the
Page 37 and 38: Mekong Delta is divided by the Tien
Page 39 and 40: CHAPTER 2 STUDY METHOD 2.1 Scope of
Page 41 and 42: 4 Nguyen Anh Duc Cost Estimator TED
Page 43 and 44: (b) Establish Appropriate Communica
Page 45 and 46: Information interface among each ex
Page 47 and 48: (Works in Vietnam) 1st Work in Viet
Page 49 and 50: Table 2-5 Record of Major Meetings
Page 51 and 52: NH No.30 Tien Giang River NH No.80
Page 53 and 54: 3.2 Study Required for Decision on
Page 55 and 56: 3.2.2 Traffic Demand Forecast (1) A
Page 57 and 58: My Thuan 2nd My Thuan bridge Can Th
Page 59 and 60: (b) Vehicle Composition by Survey S
Page 61 and 62: (4) Producing Present OD Matrices (
Page 63 and 64: 9.00 8.00 7.00 6.00 5.00 4.00 3.00
Page 65 and 66: Source: Study Team Truck Traffic/da
Page 67 and 68: 3.2.3 Natural Conditions Survey (1)
Page 69 and 70: To Trung Luong To Can Tho Source: R
Page 71 and 72: Source: Study Team Figure 3-16 Bori
Page 73: (3) Hydrological Survey In My Tho,
Page 77 and 78: Month Levels I II III IV V VI VII V
Page 79 and 80: Source: Inspection and Maintenance
Page 81 and 82: Source: Study Team Note: Upstream i
Page 83 and 84: Source: TEDI Figure 3-23 Bathymetri
Page 85 and 86: 2. Suspension Bridge: Before the de
Page 87 and 88: Source: Study Team Source: Study Te
Page 89 and 90: The bridge type comparison based on
Page 91 and 92: Source: Study Team Figure 3-32 Side
Page 93 and 94: Table 3-19 Quantities and Construct
Page 95 and 96: Source: Study team Figure 3-35 Gene
Page 97 and 98: Source: Study Team Figure 3-37 Gene
Page 99 and 100: Source: Study Team Figure 3-39 Pers
Page 101 and 102: Table 3-21 Traffic Demand and Requi
Page 103 and 104: PCU/hour 7000 6500 6000 5500 5000 4
Page 105 and 106: Grade (%) Table 3-24 Study of Criti
Page 107 and 108: sides, hence, 5.5 m in total. The f
Page 109 and 110: Cross section of two-lane ramp: Car
Page 111 and 112: 3 cm: Roughening asphalt to make fr
Page 113 and 114: Source: Study Team Figure 3-49 Traf
Page 115 and 116: Table 3-33 Status of Adjacent Expre
Page 117 and 118: However, it was proposed to cancel
Page 119 and 120: iii) Sand Drain (SD) Sand drain is
Page 121 and 122: Source: Study Team Figure 3-56 Cons
Page 123 and 124: Source: Study Team (2) Foundation P
Page 125 and 126:
Source: Study Team Source: Study Te
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(c) Cement Source: Study Team Figur
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(6) Construction Schedule The total
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4. Emergency Management 5. Patrols
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(3) Maintenance of Road Road mainte
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No. Total Area (ha) Residential Lan
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No. Poor Households (income less th
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The rate of grid connection is 100%
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Pollution 4.2 Positive Effects From
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Social Environment Resettlement B L
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Finalized Route Table 4-17 Number o
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No. Affected People (AP): APs are t
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10 Vibration Emitted from Road in P
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which is required to be implemented
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4.4 Actions Taken by Project Propon
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Source: Study Team (3) Construction
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(d) Price variation The following p
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5.2 Economic and Financial Analyses
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Source: Study Team (4) Economic Eva
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(c) Sensitivity Analysis Source: St
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(4) Financial Return of Total Inves
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(1) Alternative No. 1: One Package
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Table 6-2 Comparison among Alternat
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Event/ Milestone Time/ Period Excha
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Table 6-4 Anticipated Measures Agai
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PMU My Thuan is a state agency whic
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In this preparation stage of the pr
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CHAPTER 8 TECHNOLOGICAL ADVANTAGES
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cast-in-place piles. Such equipment
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