Geographical position of the project

1.1. Name of project

Project: “improvement and Upgrading the Road DH2 (Hoa Nhon – Hoa Son)”.

1.2. Project Owner

The Project Owner: Da Nang City People’s Committee.

Executive Agency: PMU of Danang Priority Infrastructure Investment Project (PiiP-PMU) - Address: 54 Thai Phien, Hai Chau District, Da Nang city

- Tel: 0511 562 677 - 562679 Fax: 0511 562678

- Legal representative of the Project Owner: Mr. Luong Thach Vy – Director of PMU Project Approver: Danang City People’s Committee.

1.3. Geographical position of the project

The road DH2 is located in Hoa Nhon and Hoa Son communes, Hoa Vang district, Danang city.

Figure 1-1: Position of the road DH2 (Hoa Nhon – Hoa Son)

* Status of the road DH2:

The road DH2 connects from Hoa Nhon commune to Hoa Son commune in Hoa Vang district, Danang city. The road connects from National Highway 14B to the provincial road 602, in length of 9.2 km. The starting point at (Km0+0,00) intersecting with National highway 14B at

the head of Giang bridge, intersecting with Hoang Van Thai road at Km5+0,00 and the ending point at (Km9+228,07) intersecting with the provincial road 602 at the position 200m away from Tung Son bridge. The road runs toward the East-West in parallel and 30-1,100m away from the Hai Van – Tuy Loan road. The road is designed with cross section of 2 lanes. The terrain of the road is mainly rice fields and some sections pass through the low-lying hills with the elevation varying from 2.5m to 30m and not large cross slope. The residents living on the road are mainly concentrated in the areas with high terrain where flooding hardly happens and cultural centers, schools and markets are concentrated.

The road passes through the sensitive works such as Hoa Nhon recreation area, Hoa Nhon 1 primary school, Hoa Nhon medical station, Hoa Nhon market, Hoa Nhon 2 primary school, the Agent Orange sponsoring center, Phu Pha village communal house, Phu Ha cathedral, Hoa Son 1 primary school, Loc Quang church, Xuan Phu temple, Phu Thuong cathedral, Hoa Sơn dressed stone trade village and Hoa Son communal martyrs cemetery.

The road DH2 passes through the residential areas of villages namely: Phu Thuong, Phu Ha, Xuan Phu and Tung Son in Hoa Son commune and villages Phuoc Hung, Phuoc Thai, Thach Nham Tay, Thai Lai and Phu Lai in Hoa Nhon commune, Hoa Vang district, Danang city

In addition, many high voltage (66kV - 220kV), medium voltage (22kV – 35 kV) and low voltage (0.4 kV) lines exist in the project area.

Starting point intersecting with provincial road 604 (Km0+00)

Hoa Nhon communal health center (Km1+383)

Hoa Nhon primary school No. 1 (Km1+480) Hoa Nhon primary school No. 2 (Km3+295)

Cross with Hoang Van Thai road (Km5+00)

The Agent Orange sponsoring center (Km4+300)

Hoa Son dressed stone trade village ( Km5+700)

Loc Quang pagoda( Km7+00) the distance to road about 15m

Ending point intersecting with provincial road 602 (Km9+228)

Phu Ha village hall ( Km5+286)

Phu Ha cathedral ( Km6+00) from the cathedral to the road about 10m

Hoa Son Primary No.1 (Km7+100)

Phu Thuong Cathedral ( Km7+838)

Hoa Son communal martyrs cemetery ( Km9+00)

Figure 1-2: Some pictures of the road

Figure 1-3: Location map of sensitive works surrounding the project area

Hoa Nhon Primary school No1

Hoa Nhon Primary school No2 The Agent Orange

sponsoring center

Phu Ha village hall

Hoa Son dressed stone trade village

Phu Ha Cathedral

Hoa Nhon communal health center

Loc Quang pagoda

Hoa Son Primary No 1

Phu Thuong Cathedral

Hoa Son communal martyrs cemetery

a) Road DH2 base:

- Road surface width : 5.5m;

- Road sides width : 2 x 1,0m;

- Roadbed width : 7,5m;

- The road surface of section from the road end to Km8+500 is asphalt-penetrated.

- Section from Km8+500 to the other road end has been repaired with a concrete asphalt road surface structure.

Currently, the road is damaged and downgraded due to less maintenance and repair, and big traffic flow, especially the section passing Hoa Son commune where accommodates many split rock production facilities, suffers from heavy load vehicles at high frequencies making its road surface damaged and obstructing the people’s travel, especially causing local congestion during the rainy season.

b) Load capacity:

- Road : 9.5T.

- Structures : H13 truck c) Flood frequency:

- Section Km0+0.00 - Km2+217.00 : Annually flooded.

- Section Km2+217.00 - Km9+197.20 : P = 4%.

The road alignment from Km0+00 to Km2+217.00 is frequently suffered from flood(

annually flooded ), in the flood season water from the basins associated with rising water from Tuy Loan river, which causes flood in the whole area. Section Km2+217.00 – Km9+197.20 current status is designed with frequency flood frequency of 4%.

d) Structures:

The system of bridges and culverts on the road invested long time ago with the H13 load capacity does not ensure load capacity for the current traffic flow, specifically:

- F75 - 3F125 aperture culverts: 36 pieces - Various bridges as listed in the table below:

No. Bridge name Location Features Length (m)

1 Km0+166.00 reinforced concrete slab bridge 3.0

2 Dong Gia Km0+463.00 reinforced concrete slab bridge 6.0

3 Km2+563.00 reinforced concrete slab bridge 7.0

4 Voi bridge Km4+957.00 reinforced concrete slab bridge 9.1 5 Trang bridge Km5+927.60 reinforced concrete slab bridge 6.0 6 Lau Qua bridge Km6+874.90 reinforced concrete slab bridge 9.0

7 Km7+565.34 reinforced concrete slab bridge 3.0

8 Tung Son bridge Km9+188.00 reinforced concrete slab bridge 4.0 e) Intersections:

Road DH2 has 5 junctions including one with the old National road 14B, one with Road 18 (Cay Thong crossroad), one with Hoang Van Thai road (DH1), one with Road 21 (to the city’s cemetery), one with Road 602 (Tung Son crossroad) and one with Road 604 (from Tuy Loan – National road 14G). The other remaining crossing roads are small (2 - 3.5m wide).

Therefore, when the project comes into construction, the project area can be approached directly via the existing roads above. However, the reinforcement of structures on these lines and restoration their original state after the construction is complete should be taken into account.

f) Protection works and traffic safety:

Protection works on the road are hardly invested. The negative slope at section Km8+550 - Km8+650 has just been reinforced with mortared rip rap structure.

The traffic safety system invested long time ago is now degrading.

g) Domestic electricity and lighting system:

The electricity supply system has been invested but the lighting system is unavailable.

1.4. Scope of the Project