★Geographic Location

Wangzuo Town of Fengtai District, where the project is located, is situated in the southwestern part of Beijing Municipal District, covering an area of about 61.33km2, and belongs to the area west of Yongding River of Fengtai District (referred to as Hexi Area). Its northwestern and southwestern parts border with Mentougou and Fangshan District respectively, and its eastern and northeastern parts border with Changxindian Town of Fengtai District, and the town center is 25km away from downtown Beijing.

This project is located in Weiguozhuang Village of Wangzuo Town, Fengtai District, and it extends from Weiguozhuang Road in the south to the planning Yungang West Road in the north, and from the auxiliary road of Western Sixth Ring Road, i.e., Qinglonghu Road No. 23, in the east.

★Topography and landforms

Fengtai District forms a terrain descending from mountains to plains from west to east, and the terrain of Fengtai District is high in the northwest and low in the southeast, declining in steps. According to the topography is divided into three geomorphological zones: 1, low mountains and hills; low mountains are distributed in the sheep head village - Fuying north of the area of 800ha, of which limestone accounts for two thirds. Hills are distributed in Liyuan Village, Dagou Village to the north, for the debris deposition of hills, to the south of the limestone hills; 2, the tableland, located in the Yongding River to the west, between the Babaoshan Fracture and the Liangxiang - Qianmen Fracture; 3, the plains: in the Yongding River west of the eastern part of the Wangzuo Township and the eastern part of Changxindian Township East River along the Zhang Guozhuang, Changxindian, Zhao Xindian village, land area of 2,800ha. east of the Liangshui River north of the border with the urban area, elevation 40m is the ancient Yongding River washout. 40m belongs to the ancient Yongding River alluvial fan high level plain, with an area of 1400ha. low level plain is distributed in the east of Yongding River, with an area of 15,700ha. The elevation drops from 60m to 35m to the southeast, with an average slope drop of 1%.

The project site is high in the west and low in the east, with a maximum difference in elevation of 16m, the highest point is in the west side of the water well part of the plot, with an elevation of 88.69m, and the lowest point is in the east side of the plot, with an elevation of 67.46m. The cultivated land in the north side of the plot partly shows a gradual decrease in the shape of a ladder. The main reason for the formation of this landform is due to the soil used in the former brickyard.

Hydrology and Geology : Wangzuo Town is rich in water resources. One of the irrigation water: Qinglong Lake covers a total area of 4.95 square kilometers, with a reservoir capacity of 29 million cubic meters. Qinglong Lake Irrigation District renovation project laid 30 kilometers of pipeline, can lead the Qinglong Lake water to the township's various development zones for greening, planting use. Drinking water: There are six deep water wells with depths ranging from 600 to 1,200 meters in the northern mountains of the township, providing drinking water for the township and development zones.

There are 40 square kilometers of geothermal fields within the boundaries of Wangzuo Township, which are rich in geothermal resources. The completed Nangong No. 1 geothermal water supply station, the daily water supply of 2,700 cubic meters, the water temperature in 70-73 degrees, for heating, hot spring farming, hot spring planting, hot spring bathing. According to the needs of development and the construction of ecological town, two more geothermal wells are ready to be mined.

Fengtai District belongs to the Yongding River impact fan and flooding fan area, with flat topography, the surface layer is dominated by light sub-clay, with an average thickness of 4.0-4.5 meters, and underneath it is a single river cobble layer (aquifer) with a thickness of about 30 meters. The base plate of the aquifer is Jurassic sandy shale, which is permeable and relatively water-rich, with a single well gushing 3,000m3/d, and the groundwater level averaging 20 meters above and below, with the natural flow direction from west to east, and the source of groundwater recharge being the upstream lateral runoff and vertical infiltration of natural precipitation, which has been declining in recent years due to regional over-exploitation of the groundwater.

★Vegetation and flora and fauna

The main vegetation in Fengtai District includes woodlands, orchards, and cultivated land, etc. The main plants are poplar, willow, elm, acacia, stinking toon, acacia, greasewood, sidecar, white pine, cypress, hinoki cypress, acacia, white wax, apricots, walnuts, pears, apples, peaches, persimmons, hawthorns, and other types of trees; sour jujubes, zinnia, and huckleberry, and other types of shrubs; and grasses such as whitegrass, succinium, and goat beard grass. .

Wangzuo town town greening area of 29,300 acres, of which: 20% of the landscape ecological forest, 20% of the general ecological forest, 60% of the economic forest (green industry construction), the forest coverage rate of 35.9%. There are 4 kinds of national first- and second-grade old and famous trees, 24 trees, 15 kinds of insects, and more than 15 kinds of wild animals such as hares, squirrels, hedgehogs, and pheasants in the area.

The project site is basically planted with corn, fruit trees, acacia trees, etc., except for the residential part, in which there are acacia trees, elms and other trees growing on the outside of the agricultural facilities and orchards, next to the puddles, on both sides of the roads and in the yards of the residential areas, and there are no cherished and endangered animals and plants.

★Soil

Fengtai District, Wangzuo Township is located in southwest Beijing, the western part of the mountainous region; the eastern part of the plains, the plains accounted for three-fourths of the area of the district. The low mountainous area is mainly distributed with mountainous lysol brown soil, and along the narrow strip of foothills, there are ordinary brown soils distributed in the form of a ring. Immediately below it are the tidal brown soils. In the vast plains of the remnants of the secondary terraces are also sporadically distributed tidal brown soil, its steep canyons under the tidal soil. The brown tidal soil is distributed at the edge of alluvial fan, and some gully terraces are distributed with ordinary brown soil and brown soil sex soil.

The project site is an alluvial plain with soils dominated by tidal soils. Plains loamy sediments include Holocene floodplain alluvial deposits and alluvial floodplain deposits. The predominantly light loam is distributed over the vast alluvial plains and is the main regional parent material type. On the high plains there is gully erosion and the main types of soil are tidal brown, brown tidal and tidal soils. In the floodplains, where human influence is greater, the soils are more mature.

★Climate and Meteorological Characteristics

Fengtai District has a warm-temperate continental monsoon type climate in the North China Plain, with an average annual temperature of about 11.7 degrees. Winter

dry and windy, hot and rainy in summer, precipitation between 400-600 mm, accounting for about 75% of the total precipitation throughout the year; summer temperatures rise quickly, with a large difference in daily temperatures, and frequent cold and warm air activity, sometimes windy, and in the fall, cold and warm, sunny and rainy, the general meteorological elements are as follows:

Temperatures: the average temperature over the years: 11.7 degrees Celsius, the hottest time of the year is The hottest month of the year is July, with an average temperature of 25.8℃, and the coldest month is January, with an average temperature of - 4.6℃. The annual extreme maximum temperature is 39.8℃, and the annual extreme minimum temperature is -21.7℃, and the first frost is usually in July, and the last frost is in April, with a frost-free period of 193 days.

Precipitation and relative humidity : According to the analysis of the weather station data, the precipitation varies between 417.2mm-741.3mm in ten years, with a large difference in annual precipitation, and the ten-year average is 576.3mm. The biggest months of precipitation in ten years are the three months of June, July, and August, which account for more than 70% of the total precipitation in the whole year, and the rainfall in the winter is scarce, and there has been precipitation in the months of January, February, and December. The winter rainfall is scarce, with zero precipitation in January, February, and December, and less precipitation in spring and fall. In this region, because of the high precipitation in summer, the relative humidity is often around 70%, especially in July and August, the relative humidity is high, are above 70%, hot and humid, while in winter, the relative humidity is about 44%, spring is similar to the winter, and the humidity of the fall is in the middle.

★Ground Wind

Since the region is in the excessive zone between the mountains and the plains, the wind direction is more significantly affected by the terrain. Winter and spring to the northwest wind is dominated by the summer to the southwest wind is dominated by the annual average wind speed of 2.4M / S, winter and spring rainy season wind, April wind speed is the largest, the average wind speed of 3.4m / s, greater than or equal to the number of days of eight winds over the years an average of 25.5 days in April is more, on the value of budding, blossoming period of the fruit trees have a greater impact. ★Administrative divisions and population

Fengtai District rural **** divided into three townships, namely, Lugouqiao Township, Flower Township, Nanyuan Township, two towns, namely, Changxindian and Wangzuo Town. The towns are divided into 16 street offices, namely, Fengtai, Changxindian, Nanyuan, Dongtieying, Rightanmen, Xiluoyuan, Donggaoji, Lugouqiao, Taipingqiao, Xincun, Yungang, Heyi, Majiapu, Dahongmen and other street offices, and Fangzhuang, Wanpingcheng District Office.At the end of 2005, the resident population of the district was 1.568 million people, of which the household population of 975,000 people.

Wangzuo Town has 8 central villages and 36 natural villages under its jurisdiction. The area of cultivated land is 35,000 mu. The total number of households in the town is 9,014, with a population of 42,000 people.

★Economic Overview

According to the requirements of Beijing's small town construction, Wangzuo Town combines the actual situation and plans five areas, namely: the center town construction area, the center village construction area, the Qinglong Lake Countryside Recreation Area, the Jole Peak Scenic Area, and the West Beijing Logistics Industrial Park Area. The government's goal is to build the center town of Wangzuo into an "international, garden-style tourism small city". With tourism as the leader, the development of tertiary industry. The World Geothermal Expo Park, Nangong Hot Spring Water World, Qinglong Lake Park, ecological living quarters, film and television bases, etc. have formed an important part of the "New Beijing, New Image" one-day tour. The Xishan Fracture Zone rock wells, the South-to-North Water Diversion Project, the Beijing Third Thermal Power Plant, the Nangong Geothermal Hot Springs, the natural gas pipeline to Beijing, and the two 110,000-volt transformer substations provide sufficient protection in improving the town's urban functions and meeting the requirements of municipal facilities such as water, electricity, gas and heat.

In 2006, the town completed a gross national product of 264 million yuan, an increase of 18.9% over the 222 million yuan in 2005; the total income is expected to complete 1.21 billion yuan, an increase of 15.6% over the 1.047 billion yuan in 2005; the per capita income of farmers 7,495 yuan, an increase of 8% over the 6,940 yuan in 2005. For five consecutive years, it has been awarded as "Capital Civilized Township" by the Capital Civilization Committee; for seven consecutive years, it has been awarded as "Five Good Township Party Committees"; and in July 2006, it was awarded the title of "People's Satisfied Civil Servants Collective" by the municipal government. "

At present, it is the first time for the government to recognize the civil servants of the township.

At present, Wangzuo Town has initially formed an investment environment with first-class urban planning, first-class living conditions, first-class leisure and recreational facilities, etc. with great development potential.

★Technology and Culture

Fengtai District now has 161 primary and secondary schools, *** there are 81,000 students and teachers in school, the elementary school graduates pass rate of 99.9%, the acceptance rate of the secondary school examination 72.8%. The district now has 10 vocational secondary schools, with 6,978 students. There are 6 adult schools in the district, **** with 2,382 students. There are 5 cultural centers (stations) in the whole district, 2 public **** libraries with 234,000 books in the collection, and 3 movie screening units in the whole district. 1, the possible impact of the construction project on the environment

Construction period:

Construction noise emitted during the construction period, construction dust, construction and living wastewater, construction personnel living garbage and construction debris have a certain impact on the construction site and the surrounding.

Operation period:

1) the impact of the cafeteria catering fumes and gas exhaust on the surrounding environment; the impact of the underground garage exhaust on the surrounding air quality; the impact of the exhaust from the gas boiler on the surrounding environment; the impact of the sewage treatment station's malodor on the surrounding environment, etc.; and the impact of the laboratory's exhaust on the surrounding environment.

2) the impact of domestic sewage on the surrounding environment; the impact of laboratory wastewater on the surrounding water environment;

3) the impact of noise from public construction facilities and noise from students' life on the surrounding environment;

4) the impact of solid waste such as domestic garbage on the surrounding environment.

2, prevention and mitigation of adverse effects of countermeasures and measures

Construction period:

1) In order to reduce the impact of dust on the surrounding environment, the construction process is strictly implemented in Beijing, the construction process must be taken no less than 2m high construction fence, demolition process and site leveling and other dust-generating construction process should be sprinkled to reduce dust, wind when the prohibition of construction, if necessary, the use of dust nets. Construction, if necessary, the use of dust nets; materials stacked to build sheds, the construction site is prohibited from mixing, hardening of roads at the construction site, greening of vacant sites, and strengthen the management to reduce the impact on the surrounding environment.

2) In order to prevent the pollution of wastewater during the construction process, a sedimentation tank should be set up at the construction site, and the rinsing wastewater should be treated by secondary sedimentation, and the upper part of the water should be used for sprinkling and dust reduction at the construction site. The project should adopt the construction method of zoning construction, and set up temporary toilets during construction, which are regularly emptied to the sewage treatment plant.

3) In order to reduce the impact of construction noise on the surrounding environment, during the piling stage, construction is prohibited at night; machinery and equipment are distributed in the middle of the site; when the working machinery is close to the construction site boundary, temporary noise barriers will be set up and no construction will be allowed at night, so as to reduce the impact on the surrounding environment. If night construction is necessary due to process reasons, it should be submitted to the local environmental protection bureau for approval and filing, and announce the local residents to ensure the normal living order of the surrounding villagers; strengthen the maintenance of mechanical equipment and vehicles, so that they are in good working condition to reduce the generation of noise.

4) Construction garbage is collected and transported to the designated place of city management. The domestic garbage is collected by the sanitation personnel and treated uniformly.

5) The construction process of this project should strictly abide by the regulations on the protection of forests, especially large trees, and should formulate protection measures and programs for the trees in the plot, and optimize the design before construction, so that the trees that can not be cut down or transplanted should be kept in place as much as possible, and those that have to be transplanted should be guaranteed to survive, so as to reduce the impact of the construction on the vegetation in the area to the minimum degree. During the construction period, the lots after removing the surface vegetation and buildings should be leveled and compacted in time, and the discarded soil and construction garbage should be transported out in time, and the ones that can't be transported out in time should be covered, so as to reduce the amount of soil erosion during the construction period, and take the necessary soil and water conservation measures, such as covering, greening, and so on.

Operating period:

1) In order to mitigate the pollution of the atmosphere by exhaust gases, the project adopts the following measures: adopting natural gas as clean energy source; the oil smoke produced by kitchen cooking is purified by oil smoke purification device and then discharged into the outdoor atmosphere; the underground garage adopts mechanical ventilation, and the exhaust gases are discharged through a special channel and led to the roof of the building; the exhaust gases from the gas boiler are discharged through the 30m-high ventilator in high altitude; the laboratory Fume cupboard is set up, and the exhaust gas is led to the roof through the fume cupboard, and WSJ dry DBS adsorber (mainly equipped with activated carbon and alkaline filler) is installed at the outlet of the exhaust pipe to treat the exhaust gas discharged from the laboratory; the sewage treatment system of the sewage treatment station adopts the measure of airtightness, and the malodorous gas is collected centrally and then adsorbed through the activated carbon, and discharged at high altitude, and the medium-water treatment system adopts airtightness measure, and the malodorous gas is collected centrally and then discharged at high altitude. The water treatment system adopts closed measures, and the malodorous gases are centrally collected and discharged in high altitude.

2) Laboratory wastewater is discharged into the sewage treatment system of the sewage treatment station after pretreatment, toilet flushing wastewater through septic tank, and cafeteria wastewater through grease trap. During the operation period, washing wastewater, shower wastewater, laundry wastewater and other clean wastewater are discharged into the water treatment system together with the effluent from the wastewater treatment system, and then reused for greening, toilet flushing, and flushing of the ground and roads after treatment. Laboratory wastewater pre-treatment device using continuous monitoring system to ensure the efficiency of treatment.

3)The management of vehicles entering and leaving the campus should be strengthened, and necessary management measures should be taken to limit the speed of vehicles entering the campus to 30km/h or less, and prohibit sounding of horns at night, so as to minimize the impact on the acoustic environment inside and outside the campus. The fan adopts low-noise model and foundation damping, and the exhaust pipe is installed with muffler; the sewage treatment facilities are all designed underground, and the foundation damping is carried out for the pumps and fans, and the fan adopts low-noise model, and the micro-perforated plate muffler is adopted for the outlet of the exhaust pipe; the experimental ventilating equipments are set up in the building, and low-noise equipments should be used as far as possible. The central air-conditioning compressor is set up in the basement equipment room, and sound insulation and vibration damping measures are taken.

4) Living garbage is collected by the closed garbage bins in front of each dormitory building, teaching building and faculty building, and then cleaned up by the cleaning staff every day, and then collected and treated by the sanitation department. Food waste is collected and treated by the sanitation department. Laboratory hazardous waste is uniformly collected and stored in the temporary hazardous waste storage room, and finally handed over to qualified units for collection and disposal. Animal carcasses and feces generated in the biological laboratory are collected and stored in the refrigerator at -20℃ as medical waste, temporarily stored in the temporary storage room, and finally handed over to qualified units for collection, transportation and disposal. Medical waste is handed over to qualified units for collection and disposal. The sludge generated from the sewage treatment station is transported by the sanitation department to the landfill for landfill disposal. After the activated carbon for odor treatment reaches the replacement period, it will be recycled and regenerated by the manufacturer. After taking the above measures, the impact on the surrounding environment is small.

5)After the completion of the project, there will be 30m green belts on the south side of the site and 10m green belts on the east side. Trees and flowers will be planted along the roads of the school district, and local species, trees and shrubs will be combined to ensure the diversity of the species, and the overall greening rate will be 44%.

3, environmental impact assessment conclusions

This project is a school construction project, in the construction and operation of the project to take appropriate environmental protection measures, the environmental impact on the surrounding environment is very small, from the point of view of environmental protection is feasible.