CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 CLEARING AND GRUBBING 1/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 TABLE OF CONTENTS CHAPTER I : PREPRATION WORKS I PREPARATION WORKS II ARRANGEMENT OF CONSTRUCTION SITE PLAN III MOBILIZATION OF MANPOWERS AND CONSTRUCTION EQUIPMENT CHAPTER II: CLEARANCE ,GRUBBING I PRESERVATION OF PROPERTY II CLEARING AND GRUBBING III DISPOSAL OF CLEARED MATERIAL IV MAIN EQUIPMENTS 2/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 CHAPTER I : PREPRATION WORKS I PREPARATION WORKS Construction signs The contractor shall arrange guards 24/24 hours, with installation of the project information signs that shows information about the project, size and content of signs, which are agreed by the Engineer and the Employer Electricity supply Contractor shall contact with local electricity company to purchase electricity and install the power stations in accordance with demand In case of electric power is not available for the construction, the contractor will use generators to ensure continuous construction At the construction site, the circuit breakers with cover for protection of electrical system will be installed and electric lines will be on posts to contact with construction areas, and also safety ground wires shall be installed in accordance with current safety standards of electricity Water supply: Contractor shall contact to local water suppliers to ensure enough clean and standard water for construction and living in site camping, offices It is needed to build a number of small auxiliary tanks for construction services Communication and information: The contractor will fix telephones, fax machines at the Site management Board and at the construction groups to ensure continuous communication 24/24h with all the related parties Fire fighting system : To prevent and handle fire and explosion which may occurs, some fire extinguishers at the needed points shall be equipped to dry out fires Officials inspecting the fire shall be assigned every day Prepare for construction materials The Contractor shall make the planning scheme, making purchasing orders with quarries and sources of materials such as: soil, sand, stones, steel, cement, and asphalt The Contractor will have material samples tested for the technical specifications in accordance with design requirements, and submit the Engineer and they can only be used for the works when having been approved by the Engineer and the Employer Contract Package is located next to Lap Vo River is very convenient for collecting the material The material is expected to be transported by road associated with the river 3/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 Selection of working groups: By studying the topographical surveys of the site, based on work quantity, based on the ability to mobilize equipment and manpower, to facilitate the gathering of vehicles as well as equipment and materials materials, accelerating the construction schedule so as to meet the requirements of progress and quality of the work, the Contractor shall pick up some groups for construction as specified in the Workforce Mobilization Plan II ARRANGEMENT OF CONSTRUCTION SITE PLAN The contractor will to establish the Site management Board for construction nearby Song Lap Vo bridge Km 18+614.20 The Executive Board will be organized right next to the road for ease of movement and execution At the Site management Board, we shall arrange housing and accommodation for executive chief, staff, health services; housing for workers, guarding house; kitchen; toilets; warehouse for gathering materials, equipment; yards for materials, machinery, yard for casting structure; electrical and water systems for construction activities, etc III MOBILIZATION OF MANPOWERS AND CONSTRUCTION EQUIPMENT Manpower: The contractor will assign the key staff with corresponding professional qualifications, experience and good health to undertake the work For technical workers, drivers, machine operators: the skilled, experienced construction labor with high productivity, consistent with work requirements to achieve effective highest quality as well as work progress will be assigned For the unskilled workers: Take advantage of the existing force of the Contractor, if in shortage, the Contractor will hire additional employees of the locality to ensure and create jobs for local workforce seasonally Construction equipment and machineries The contractor shall arrange the construction equipment and machinery with good quality for project implementation All kinds of construction equipment have been tested and registered for licensing activities by relevant agency When mobilized for the project must be approved by the Engineer Use of construction equipment with the best performance, ensure high productivity, good quality, low cost, and mitigate the hard work for the employees 4/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 Chain method for construction will be applied based on characteristics of the construction, construction technology, construction schedule, volume and other conditions Regular and timely adjust the workforce of equipments and labor in order to ensure consistency, balance and facilitate the application of advanced construction technology Constantly improve the management level, technical level and repair and well periodic maintenance of construction equipment and implement Construction equipment and materials for construction are organized by centralized management and stability in the construction teams, as well as highly specialized When management and use of materials, construction equipment (including: using, engineering maintenance, maintenance, transportation) must comply with the technical documentation of manufacturers Assignment of drivers and construction machine operators must match with trained professions and worker levels as in accordance with the regulations for type of vehicles, construction machine specifically The vehicles, construction machines put into operation must ensure the technical reliability and labor safety For these vehicles, construction machines must be registered for safety, before being put into execution, must fulfill the registration inspection under the provisions of the competent authorities of The technical maintenance will be responsible by specialized team 5/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 CHAPTER II: CLEARANCE, GRUBBING I Preservation of Property Existing highways, improvements, facilities, adjacent property, utilities, services, and trees and plants designated for preservation shall be protected from injury or damage In order to reduce the risk of erosion no topsoil shall be removed from the areas outside the limits of earthworks Any topsoil outside these limits, which is inadvertently removed during clearing and grubbing operations or otherwise, shall immediately be replaced by the Contractor at its own expense II Clearing and Grubbing Setting out and staking of each cross section as the approved construction method statement, mark the locations, limiting the areas to clear trees, cut grasses, excavate roots of trees, remove away debris and then submit the Engineer for approval before conducting the next work The clearing and grubbing shall consist of clearing the designated areas of all trees, down timber, snags, vegetation, rubbish and objectionable material and shall include grubbing stumps and roots and disposing of all material resulting from the clearing or grubbing It shall also include the demolition removal and disposal of structures that obtrude into or encroach upon or obstruct the work, except where provided for otherwise Also included in this work shall be the removal of loose pavement material, road signs, right-of-way markers, kilometre stones, guide posts and all other incidentals within the limits of construction Using the measures to ensure effective safety and warnings for the areas of construction and arrange lights at night if necessary Any debris shall be removed or buried in the right places accepted by the Engineer and the Employer within the range of the project and filled up at least 30cm above to create the shape and visible slope The lower architecture of the old works (if no other requirements), which needs to be destroyed up to the natural stream bottom, the other structures outside the range of natural water flow will be excavated to at least 50cm below the natural soil surface Outside the limits of the earthworks, and under embankments trees and stumps more than 1.5 metres in height shall be cut to a level not more than 300 mm above ground level and not less than 450 mm below the embankment slopes and everything else to ground level 6/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 In cut areas clearing shall include the removal of stumps and roots exceeding 80 mm in diameter, to a depth of 450 mm below the finished surface except that in rounding areas at the tops of cut slopes they may be cut flush Grubbing shall be carried out on the area of embankment foundations where the embankment height is less than 1.5 metres Grubbing shall consist of the removal and disposal of topsoil, stumps, roots, etc., to a depth of at 150 mm below ground Where existing embankment is to be raised or widened, all vegetation and topsoil shall similarly be completely removed from shoulders, slopes and ground under the widening before the operations of actual widening can be commenced Where roadway excavations are to be made, and where ditches, streams and rivers, are to be diverted, all vegetation, roots stumps and the like shall be completely removed and placed outside the excavation area concerned before the excavation works can be commenced The construction ensure that cleaning and grubbing will be carried out within the construction area, does not affect outside area Besides the "excavation and relocation of works and obstacles" will comply with all the provisions of the technical instructions III Disposal of Cleared Material Saleable timber shall be neatly stored in an approved accessible location as directed and shall be trimmed and stacked in accordance with the requirements of the appropriate Government agency The Contractor shall not use un-saleable timber or saleable timber All timber, brush, stumps, roots, logs, and other refuse from the clearing and grubbing operation and topsoil not required for re-use shall be disposed to an approved waste site provided by the Contractor The site shall be outside of the right of way No accumulation of debris shall remain and the right of way and adjacent areas shall be left in a neat and tidy condition IV Main Equipments: Main equipments include: Equipments Units Quantity Bulldozer ≥ 110 HP nos 02 Front Loader ≥2,4m3 nos 02 Excavator 1,25m3 Nos 7/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE CMDRCP / CW2C PACKAGE CW2C KM 18+200 – KM 23+450 Equipments Units Quantity Vibrating Roller 25ton nos Steel Wheel Roller 6– 12 ton nos Tired Roller nos Dump Truck ≥10 tons nos Laboratory Lab Survey Equipments: - Total Station : 02 nos - Surveyor’Level : 04 nos - Leveling pole, Mirror, rod : 04 nos - Meter - accuracy 0,1 mm : 02 nos - And full sets of test devices 8/ PHUONG THANH - QUYET TIEN - ANH GIANG – THANG LOI JOINT VENTURE ... rubbish and objectionable material and shall include grubbing stumps and roots and disposing of all material resulting from the clearing or grubbing It shall also include the demolition removal and. .. inadvertently removed during clearing and grubbing operations or otherwise, shall immediately be replaced by the Contractor at its own expense II Clearing and Grubbing Setting out and staking of each... CONSTRUCTION SITE PLAN III MOBILIZATION OF MANPOWERS AND CONSTRUCTION EQUIPMENT CHAPTER II: CLEARANCE ,GRUBBING I PRESERVATION OF PROPERTY II CLEARING AND GRUBBING III DISPOSAL OF CLEARED MATERIAL IV