Civil Works

Sea embankment Hai Thanh - Quang Phu, Dong Hoi city (phase 2)

Sea embankment Hai Thanh - Quang Phu, Dong Hoi city (phase 2)

Government budget

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National competitive bidding

Uncategorized

08:00 17/09/2021

[Construction of other public works] - [Construction of other civil engineering works]

The embankment route closely follows the existing coastline in the form of soft embankment with oblique roof type. Length of embankment: 2450m. Embankment crest: elevation +5.0m, width B = 3.0m. The top of the embankment is combined with a walking path for tourism, the structure is made of BTXM M300 16cm thick, the embankment layer K≥0.95 is 30cm thick, the bottom is filled with sand K≥0.90. The embankment body: - The high section +3.5m process: Combined with making a tourist walkway B = 5.0m wide with 18cm thick BTXM M300 structure, on a solid tarpaulin liner, followed by a 12cm thick grade II grade II and backfill soil. K≥0.95 is 50cm thick, the bottom is filled sand layer K≥0.90 and foundation sand.- Section from elevation +2,0m to +3.5m: Structural step up and down by M300 reinforced concrete on concrete layer M100 lining is 10cm thick, followed by backfill soil layer K≥0.95 thick 71cm, bottom is fill sand layer K≥0.90 and ground sand.- Section from elevation +0.2m to +2.0m: Reinforcement protect the embankment with M300 reinforced concrete sheet (50x50x20)cm in M300 reinforced concrete frame girder system, paving slabs are placed on 10cm thick layer of gravel, followed by geotextile layer. From elevation +1.0m to elevation +2,0m fill with compacted soil K≥0.95, from elevation +0.2m to elevation +1.0m fill with sand K≥0.90 covered with geotextile and background sand. The reinforced concrete frame girder system is 6.2m wide and consists of the top girder and the foot beam of the embankment (25x35)cm, 02 roof longitudinal beams (20x30)cm. Embankment foot: Height of the top of the embankment foot +0.2m. The structure of the embankment foot is a prefabricated M300 concrete buy pipe system with a length of 3.0m, diameter Dn/Dt = 150/120cm, inside the buy pipe is filled with stone. The connection between the buy pipes is made of 40cm thick M300 reinforced concrete girders. Between the two buy pipes, the filter layer is arranged with a M300 reinforced concrete bar with cross-sectional dimensions (15x15x200)cm along with a gravel layer, the innermost layer is a geotextile layer. Outside the buy pipe is a layer of protective rock at the foot of the embankment with a thickness of 1.0m to a height of -1.0m on the geotextile layer, the bottom is embankment sand and ground sand.+ At the end of the route, a locking wall with bridge structure is arranged at the end of the route. by the M300 reinforced concrete retaining wall on the prefabricated M300 concrete buy pipe system with a length of 2.5m, a diameter of D150, the inside of the buy pipe is filled with stone. + Building 09 D100mm round culverts with M300 reinforced concrete to drain water from residential areas to the sea. - Temporary works: + Arrange 03 construction routes (L1 = 150m, L2 = 103m, L3 = 127m) with K95 compacted soil; + Arrange 03 casting yards and material gathering on the route.

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2.000.000 VND

09:00 17/09/2021

Construction and development investment project management board of Dong Hoi city land fund. 5th floor of Dong Hoi city People's Committee building - 88 Pham Van Dong, Dong Hoi city, Quang Binh province

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