Memorabilia of Xianlin Reservoir is in Xianlin Reservoir.

201165438+February 27th-signing ceremony for the relocation of national defense combat readiness facilities in Xianlin reservoir area. Yi Fu, commander of the provincial military region, and Shao Zhanwei, deputy secretary of the municipal party committee and mayor, delivered speeches at the signing ceremony.

Xianlin reservoir project is a key water conservancy construction project in our province and our city, and it is also an important livelihood project in the process of building a quality-of-life city in Hangzhou, which is of great significance to ensuring the water supply safety in Hangzhou and flood control in the west of Hangzhou. At noon on February 27th, the signing ceremony for the relocation of national defense combat readiness facilities in Xianlin Reservoir Area was held in Xizi Lake. Yi Fu, commander of the provincial military region, and Shao Zhanwei, deputy secretary of the municipal party committee and mayor, delivered speeches at the signing ceremony. Shi, deputy commander of the provincial military region, Gao, chief of staff, Zhu Yaozhong, deputy chief of staff, Chen Bikai, member of the Standing Committee of the Municipal Party Committee and political commissar of the Hangzhou Garrison, attended the meeting. He Guanxin, vice mayor, presided over the ceremony, and Zhou, director of the Municipal Forestry and Water Affairs Bureau, reported on the construction of Xianlin Reservoir. Officials from the Provincial Military Region, the Hangzhou Garrison and the People's Armed Forces Departments of Xihu District and Yuhang District attended the signing ceremony.

201165438 On the morning of February 9, with the announcement by He Guanxin, Vice Mayor of Hangzhou, that "the multi-storey construction project of Xianlin Reservoir resettlement officially started", the housing construction of Xianlin Reservoir resettlement area officially kicked off.

The construction project of Xianlin reservoir resettlement area is an important supporting project of Xianlin reservoir project, which is mainly used for the resettlement of relocated farmers in the flooded area of the reservoir. The community is located at the downstream of the reservoir dam, with a total land area of 348 mu. The construction of this project can not only properly solve the resettlement problem of relocated households within the scope of land acquisition and demolition of Xianlin Reservoir, but also provide an important guarantee for the full implementation of Xianlin Reservoir construction project. On 2011April 10, with the completion of the last blasting operation in the depth of Cimuqiao branch tunnel, the tunnel excavation was completed in the third bid section of Xianlin Reservoir (Cimuqiao branch tunnel).

On 2011April 2 1, the provincial water resources department organized a review meeting on the proposal report of Xianlin reservoir project (medium-sized) in Hangzhou, and 53 people attended the meeting. The expert group of the meeting and representatives of relevant provinces and cities deliberated and approved the project, and agreed to adjust the scale of reservoir construction from small to medium, double the water storage capacity, and further improve the scope and standard of drinking water protection. According to the Feasibility Study Report of Xianlin Reservoir Project in Hangzhou, Zhejiang Province (165438+2008 10), Xianlin Reservoir Project is located in Xianlin Town, Hangzhou, and its main tasks are urban emergency standby water source and salt-tolerant water supply, combined with comprehensive utilization of flood control and improvement of water environment. The dam site of Xianlin Reservoir is located in Zhutianwu Village, Xianlin Town. The rainwater collection area above the dam site 16.89 square kilometers, and the total storage capacity of the project is 9.97 million cubic meters. According to Classification and Flood Standard of Water Conservancy and Hydropower Engineering (SL252-2000), the project scale of Xianlin Reservoir is small (I) reservoir, and considering the importance of emergency water supply objects, the project grade is Grade II. Its main buildings, including barrage, drainage building, water delivery building, water replenishment building and water circulation project in the reservoir area, are all secondary buildings.

Xianlin reservoir engineering area belongs to mountainous and hilly areas. According to the relevant provisions of flood control standards and classification of water conservancy and hydropower projects and flood standards, the flood standard of permanent buildings is determined according to the building grade. As follows: flood standard for buildings in this project [return period (year)] Design review of concrete gravity dam for river dam 2 50 500 concrete face rockfill dam 2 50 1000 discharge building 2 downstream river water supply and replenishment building 2 50 500, energy dissipation building 3 30/ construction cofferdam 4 5/ diversion tunnel (rockfill dam) 4 20/ concrete face rockfill dam adopts Xianlin reservoir dam type. The dam is located in Zhutianwu village, and the dam type adopts concrete face rockfill dam. The crest elevation is 68.00m, the maximum crest height is 34.0m, the crest width is14m, and the length is 224.60m.. Spillway structure adopts deep-hole spillway tunnel, which is arranged on the right bank according to topographic conditions and downstream river course, about108m away from the right dam head, with a tunnel diameter of 4.5m.. It consists of a water inlet, a tunnel body and an outlet energy dissipation section. The bottom elevation of the entrance is 42.00 meters, and a sand bar is set in front of the entrance with a longitudinal slope of 0.66%. According to the needs of the project, an emergency door is set at the entrance and a working door is set at the exit. The outlet uses underflow energy dissipation. The stilling basin is 30m long, with a bottom elevation of 37.50m and a top elevation of 40.50m. ..

The water conveyance structure includes a water conveyance inlet, a water conveyance tunnel, a semi-underground energy dissipation valve chamber, a Dadaosha pressurized pumping station (i.e. a salt-tolerant water intake pumping station) and supporting water conveyance pipelines; Water supply structures include water supply channels (i.e. water tunnels) and semi-underground water supply pumping stations. The water conveyance structure is combined with the diversion tunnel leading into the city. The total length of the water conveyance line is15266m, in which the newly-opened tunnel10886m has a circular section (three branch tunnels need to be built in the middle, and the branch tunnels have a gate-shaped section), in which the concrete lining section is 927 1 m, the inner diameter after lining is 3.6m, and the steel pipe lining section is 65438+ m, which is combined with the Qiantang River diversion project. Behind the lining, 5.3m× 5.4m, 2 146m are rectangular section culverts with clearance of 5.0m× 5.0m The tunnel is arranged on the right bank of Xianlin Reservoir. Access the Qiantang River diversion tunnel near Wu Yuan in Daqing Valley and transport it to Fancun. Then it is introduced into the channel of Qiantang River diversion project and finally flows to the sediment storage tank of Qiantang River diversion project. A large sand pumping station is set up near the sand storage tank to lift the water to the Coral Sand Reservoir, and the water intake scale is 26 cubic meters per second. Pumping stations include suction wells, pump houses, water outlets, water pipelines and ancillary buildings. The length of the water pipeline from the booster pump station to the Coral Sand Reservoir is 1030m, and the 1 concrete pipe jacking with a diameter of 3.5m is adopted. A semi-underground energy dissipation valve chamber is set near Wu Yuan in Daqing Valley to eliminate the excessive head of incoming water from Xianlin Reservoir. The water supply structure scheme is to set up a semi-underground water supply pumping station near Wu Yuan in Daqinggu. The pumping station takes water directly from Qiantang River, enters the urban area through the water diversion channel, and sends the water back to Xianlin Reservoir.

The Xianlin Reservoir Project mainly adopts the pressure water delivery method, that is, the water is delivered to Coral Sand by using the height difference between Xianlin Reservoir and Coral Sand Reservoir (part of the water is delivered to the city without pressure), and the water is replenished to the main tunnel by using the pressurized pumping station. The total project area is 173.9 hectares. These include:

Xianlin Reservoir covers an area of 129.35 hectares.

The construction and maintenance land of Damaowu branch tunnel is about 0. 18 hectares.

The construction and maintenance land area of Cimuqiao branch tunnel is about 1790 square meters (about 0. 18 hectares).

The land requisition red line of Daqinggu Pumping Station Hub covers an area of about 1.23 million square meters (about 1.23 hectares).

The dry mud dump is arranged on the north side of Dadaosha Pumping Station, covering an area of 4,860 square meters (about 0.49 hectares), which is equivalent to Dadaosha Pumping Station. (The sand pumping station of Xianlin Reservoir Project occupies the dry mud pile of Qiantang River diversion project, and this project takes up the dry mud pile as compensation. )

The total land for demolition and resettlement is 23.23 hectares.

The military resettlement land is 2 hectares.

The reserved land area is 17.02 hectares. Xianlin Reservoir is 8 kilometers away from the west line of Hangzhou Scenic Area.

9 kilometers from Xixi Wetland.

0/5km from West Lake/KLOC-.

4 kilometers away from Xiaoheshan Higher Education Park.

It faces the mountains and rivers in Wuchaoshan National Forest Park. Quality: Consistent with the title of scenic tourist city, build a quality-of-life city, retain the potential eco-environmental tourism value, and create a mountain wetland scenery, echoing Xixi National Wetland Park and Wuchaoshan National Forest Park, which are 9km on the right bank. Carry forward the standby water source and the spirit of environmental protection, tap the historical context, "idle forest" culture, improve the quality of life, expand and extend the scenic spots. Create the artistic conception of "living in forest" in the south of the Yangtze River.

Form a dam, five islands, nine bays, a ten-mile ring belt, surrounded by green hills and a hundred hectares of lake light.