Construction of Huong Thuong street - Hang Pagoda. Road part - Segment 3 (from Km4+680 to Km5+750.23)

Integrated development of dynamic urban - Thai Nguyen city

Plan for selecting contractor for the Dynamic Urban Integrated Development Project - Thai Nguyen City

ODA funded by World Bank 90%, Budget 10%

Outside the scope of the Law on Bidding

Competitive Bidding

Uncategorized

15:00 16/03/2020

[Construction of road works] - [Construction of other public works]

Package TN-W-05D: Construction of Huong Thuong - Chua Hang street. Road part - Section 3 (section from Km4+680 to Km5+750.23) belongs to the Dynamic Urban Integrated Development - Thai Nguyen City project.

1. Investment scale of Huong Thuong Chua Hang route:

- The first point intersects the North-South road - Huong Thuong bridge, the end point is at Chua Hang round island, the total length is 5,750.23 m.

- Width of cross section: 24.5 m, road surface width 14.5 m, pavement 7.5+2.0m, median strip 0.5m.

- Pavement structure: high grade A1, Eyc=155MPa. Consists of the following layers:

+ Hot asphalt concrete, tight 12.5 5cm thick.

+ Watering with standard adhesive resin 0.5 Kg/m2.

+ Hot asphalt concrete, tight 19.0, 7cm thick.

+ Standard permeable asphalt watering: 1.0 Kg/m2.

+ Grade 1 crushed stone 18cm thick.

+ Grade 2 crushed stone 34cm thick.

- The embankment is compacted K95. Particularly 30cm below the pavement structure is compacted K98. We accumulate 1/1,5.

- Sidewalk: Designed to pave tezzaro tiles on the 8cm thick BTXM 12Mpa foundation. The sidewalk (finishing side) is paved with 4.0m wide tezzaro tiles (to the outer edge of the technical trench), the rest is to wait for the connection of technical infrastructure works of residential areas on both sides of the road to finish paving the entire size. sidewalk.

- Drainage of rainwater along the route: At this stage, only the culvert system will be designed along the sidewalk on the left side of the route (complete the pavement size 7.5m); Vertical sluices use prefabricated reinforced concrete sluices D800 ÷ D1500 placed under the sidewalk to collect surface water through the reinforced concrete manhole system, discharge to horizontal culverts on the route.

- Drainage across the road and return horizontal sluices: Design of road sluices and horizontal sluices to return water to the horizontal ditch system on the route by round culverts D1250, D1500, box culverts BxH=( 1.0x1,0)m, BxH=(1.5x2.0)m, BxH=(2,0x2.0)m, BxH=(4,0x3.0)m, 2xBxH= 2x(2.5x3.0) )m.

- Wastewater drainage: At this stage, only the wastewater drainage system will be designed using D400 culvert for the intersection at the beginning of the route and the intersection at the end of the route. Drainage direction is temporarily connected to the storm water drainage system.

- Technical trench: Design of reinforced concrete technical trench with aperture BxH=(1,4x1,5)m within the intersection at the beginning of the route, at the intersection at the end of the route and on the sidewalk on the left side of the road. Along the length of the trench, a reinforced concrete manhole is arranged with an average distance of 100m/hole for connection and maintenance work. Design 05 horizontal tunnels BxH = (2.0x2.0)m at the first and last intersections serving the connection of technical infrastructure works.

- Trees, landscape: Design to plant shade trees on the left side of the summer. Average distance 12m/tree, using Christmas tree, Black Star, Muong Hoang Yen (Osaka yellow). On the traffic island, shrubs and flowers are planted to create a landscape.

- On the road and on the path leading to the bridge: arrange light poles with a height of 10m, opposite the two sides of the road with a distance between them. average 33m/column. Lights need to reach 1.5m to install LED-100W street lights.

- Lighting on the bridge: arrange light poles 10m high on both sides of the bridge and barricades with approx. 32m/column distance. Need a light to reach 1.5m to install a 100W LED street light kit.

- On the route there is 01 bridge over Mo Linh stream (Mo Linh bridge 1), starting at Km4+159.94m.

- Bridge span diagram: (18+3x33+18 )m, the conical beam is extended. The length of the bridge to the end of the abutment: L = 158.665m, the length of the retaining wall on the Huong Thuong side is 129,985m, the Hang Chua side is 151,054m.

- Bridge gauge B=18.5m.

2. Bid security: VND 770,000,000.

3. Bidding price: 2,000,000 VND

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