HULHULE-MALE’ BRIDGE PROJECT

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EIA for the proposed Hulhule-Male’ Bridge Project 6.6 Impact Assessment on Ambient Air 6.6.1 Impacts on ambient air during construction period and mitigation measures 6.6.1.1 Impact assessment of ambient air during construction period Pollution from the project are mainly air-borne dusts, generated from activities such as road construction, pipeline construction, and vehicle operations. The effect of pollution will be high on buildings close to the project site. Use of commercial asphalt is recommended in the construction, because its exhaust gas will have less impact. Air-borne dust from road and pipeline construction The subsequent waste following the establishment of the pipeline and construction of the road will need to be cleared at the earliest in order to avoid dust emission by wind and air. The construction activities such as loading and unloading on the construction site will also increase air-borne dust. Bridge construction Bridge construction mainly includes the construction of the foundation, bridge superstructure, lifting and splicing stage. In comparison to the air born dust resulting from the pavement construction, the impact of air-borne dust caused by bridge construction is relatively small. This is because, it neither involves the construction of a new pavement nor produces secondary air borne dust from driving on unfinished pavements. Secondary air-borne dust from driving vehicles The scattering dust from the vehicles used to transport concrete and muck along the way, which will increase the amount of air-borne dust on the driving routes, especially at the construction road, the entrance and exit points of the work sites. Air-borne dust in storage yard Storage yards are required to store construction materials such as lime, sand and stones for road construction. The air-borne dust blown by wind and generated in the loading and unloading process at storage yards will lead to air pollution. The volume of dust emission in the storage yard is closely related to the type and nature of materials and wind speed. For example, the materials with smaller gravity are more prone to dusting when they are disturbed and materials with large proportion of small particles, the corresponding degree of dusting will be high. The contractor will take the effective measures to alleviate the air-borne dust pollution, and watering is a comparatively effective way to control such dust. Prepared by: CDE Consulting & China Shipping Environment Technology Page|167
EIA for the proposed Hulhule-Male’ Bridge Project Air-borne dust from material mixing The concrete mixing stations is set up in three construction sites for the project. Among these, the surrounding precast yard in Hulhumale’ and the construction site in Hulhule’ had no residential area, hence mixing station will have no effect. In contrast, the mixing station in the construction site in Male’ is in close proximity to residential buildings; hence the impact on these residences will be high unless mitigation measures are taken. Thus, all mixing stations will adopt concentrated mixing mode and will operate in a fully enclosed space, to minimise the impact of air-borne dust in mixing process and to control the air-borne dust pollution from mixing materials. In conclusion, the air-borne dust pollution during the construction period of the project is mainly from the road construction dust, the pipeline construction dust, construction air-borne dust in storage yards and from mixing materials. Strict pollution control plans and precautionary measures in accordance with the relevant laws and regulations will need to be executed to effectively control and alleviate air-borne dust pollution. 6.6.1.2 Mitigation measures Specific measures about prevention and control of dust pollution are as follows: • Fixed hard enclosure walls not lower than 2 m high will be set up around the construction area of the proposed project to prevent the impact of air-borne dust in the construction site; the contractor will assure that trained staff will be responsible for the maintenance and repair of facilities and for regular inspections. • Optimize the layout plan of construction site in Male: the concrete mixing area where the air-borne dust is produced will be arranged on the eastern side, away from residential area. • When the construction machineries are at work in the construction process of roadbed, pipelines, etc., the surface should be regularly watered to prevent air-borne dust pollution. • Facilities to wash vehicles, matched drainage facilities and mud sedimentation facilities will be set up at the construction site. The carrier vehicles will be washed, covered and cleaned thoroughly daily. This will prevent the construction materials, rubble and muck from scattering. • The road used to transport materials and the road in and out of the storage yard will be watered timely. The contractor will provide watering carts for watering twice a day and watering number should be appropriately increased in humid weather or strongly windy weather to prevent air-borne dust on the pavements. Prepared by: CDE Consulting & China Shipping Environment Technology Page|168
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ENVIRONMENT IMPACT ASSESSMENT FOR T
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EIA for the proposed Hulhule-Male
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3 POLICY AND LEGAL FRAMEWORK EIA fo
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In Male’ City, the emergency cont
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l\--:t! @F "lthh-l*n'- Alw.ta l.ktv
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a\-aall s.\a-t 'Ohishin- - Al*rF X.
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Xlr "Ohl6hin' - Anx.t'i t.k ivian,
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73°27'15"E 73°27'30"E 73°27'45"E
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Bridge Project preliminary work pla
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4°10'40"N !. 73°31'0"E #0 G3 !. !
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-474 -520 -555 -216 -243 -224 -53 -
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Maldives Transport and Contracting
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POSITION HELD : Project Manager PRO
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PROJECT NAMES : EIA for City viaduc
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Experience in Consultancy • Septe
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• March 2010: Prepared the beach
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MOHAMED FAIZAN PERSONAL DETAILS Add
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DR. SIMAD SAEED CURRICULUM VITAE (C
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Date: Dec 2000 - March 2001 Locatio
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Date: 2011 Client: North Province O
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Date: 2006 Location Maldives Client
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11. TRAINING, CONFERENCES AND WORKS
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UNEP/SACEP/JNU Workshop on Framewor
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NASHIYA SAEED CURRICULUM VITAE 1. P
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Year: 2014 Location: Maldives Islan
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Location: Maldives Islands visited:
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Mohamed Ali ID #: A 094918 National
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PERSONAL DETAILS Name in Full : Ali
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-Operate digital cameras and downlo
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WORKSHOPS / SHORT-TERM TRAININGS AT
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Shahdha M.Nicosia- 1F , Miriyaas Ma
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Professional Development and Member
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EMPLOYMENT RECORDS Date: Location C
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TRAININGS, CONFERENCES AND WORKSHOP
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APPENDIX L - Declaration and Commit
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B. GENERAL PUBLIC QUESTIONNAIRE Thi
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HULHULE-MALE’ BRIDGE PROJECT

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