Harbin "7381" giant underground engineering

Harbin "7381" giant underground engineering

-- the Great Wall underground air raid shelter, super

The total project investment: 53080000 yuan
Project period: 1973 -- 1979

"7381" project was real

In 1969 after the Chen-pao Island incident, the party and the country "to prepare for war" under the guidance of the important position, people's air defense to the city defense system. From 1970 to 1980, Harbin civil defense engineering construction mainly is to mobilize the masses, to concentrate on building permanent, Ban Yongjiu's staff masking the fortifications, maneuvering evacuation routes and group. 10 years of new tunnel was 376631 square meters (not including the abandoned tunnel defences), basically forming a "on the ground thousands of households, tens of thousands of households" tunnel network.

In 1973, taking into account the Harbin is the important strategic position of a class of national defense key city and the small road originally built a small, poor quality, can not adapt to the personnel evacuation and operational maneuver situation, decided to build a runs through the city, with "Five" (mountain and can prevent, can play, can maneuver, can life, can produce large motor road) engineering, and approved in 1973 August 1 of the provincial Party committee, called the "7381" project. After 6 years of continuous construction project, completed the depth of 21 meters, 6 meters high, 7.3 meters wide, road engineering of reinforced concrete structure of 111800 square meters, a total length of 9.5 km.

According to the characteristics of "7381" project of large span, buried depth, soil is relatively complicated, underground engineering reference domestic and foreign experience in the construction, mainly adopted the "construction method of excavation, top heading, arch wall, jump cut tin". Construction of roads, take short excavation, strong support, quick lining, to build good arch lining supporting body, and then in the hole had built on protection of men dug in tank, skipping excavation tinplate, casting wall, finally built arch bottom, forming an annular closed structure.

According to the record of Harbin people's air defense historical materials, "building air defense fortifications in the large-scale mass movement, the people of Harbin, from worker to cadres, from young students to the grey-haired old people, under the leadership of the party, to defend the motherland, safeguard Harbin, develop the spirit of great determination and courage, a pick a shovel, digging more than, call this a people's war, but also by a profound education in patriotism, showed great creativity."

"7381" project in the construction unit has 68, the average number of every day in the construction of up to 15000 people, the total labor inputs about 7200000 days, building area of more than 11 square meters. Engineering including a trunk, branch, subway station (the project is based on Design of Metro scale), auto approach and special project consists of 5 parts, take a closed structure of reinforced concrete round arch wall and inverted arch. In the curve Street section widened to 7.8 meters, 8.5 meters, the largest span turnout section is 13.6 meters, branch line extending to and Hing Street from the east straight street, Street West to the dynamic region.

"7381" project at the time speaking, is a day name, because at that time is not only the city leadership attention, even ordinary people on the "7381" project is also full of expectation. In order to ensure the smooth progress of the project, the factory was set up in the "7381" project headquarters, the construction team with even, row, class preparation, but also from the factory from the cook, accounting, cashier, doctors, nurses, Goods are available in all varieties.

Can be transferred to the "7381" project work, is all through the comprehensive evaluation. When it sent down several people indicators, then there are many workers to actively apply for the request to the "7381" project, then the factory leader should check according to the usual workers work performance, if meet the conditions of the people too much, the factory also have a look for the employees home living conditions. Because in addition to the normal wage, the factory every month to the participation of the "7381" project workers 20 yuan to 30 yuan subsidy, under the same conditions, the factory workers to take care of family life difficult.

The last century 70's, for ordinary families a month can eat two or three meals is good, but the "7381 project" of the workers are almost every day to eat meat. In order to ensure that workers have plenty of manual work, the "7381 project" of the meals is a no one can divert "money", when the leadership of the factory often and "7381" cafeteria workers to buy food, moreover, every few days, the factory leaders also specially sent to the river. Fishermen back to the workers to improve the food. Then the leaders often say is, "7381" project is the hard work, never let the workers go hungry. Construction dug out the earth was not thrown away in vain, to sell the money to the workers to improve the food.

Due to the lack of construction experience of underground tunnel, the engineering and technical personnel including him repeatedly in Beijing, Tianjin and other places to study, and made a special trip to Shaanxi nine Yanshan railway tunnel construction site to learn, command also specially deployed hundreds of technical personnel in Harbin planning and Design Institute, Harbin municipal engineering design Institute, Institute of architectural engineering underground engineering department and the company, planning and design. He specialized in Harbin suburb Mount Huangshan built 3 km of experimental works, accumulated experience in the construction, culture construction team, began construction of the "7381" project. "7381" engineering combined with the geological characteristics of Harbin, in the construction of the arch wall section, to ensure the construction safety, reducing the earthwork, saving a lot of support materials, a new initiative is the civil air defence engineering.

Temporary workers are not transferred construction experience, can only learn to do. According to the city command planning, draw a line on the ground construction after the first excavation, unearthed a similar vegetable cellar hole. Dug 21 meters underground, transverse excavation began. Although we are not professional construction workers, but impeccable quality "7381" project. Do not say anything else, even the sand has a piece of wood have to pick out, a little mud stone, then washed with. Serious efforts of workers is particularly impressive.

"Such a big project is a spade a spade to dig out, workers have suffered one can imagine, the hands and feet blister into calluses." In her spare time, workers will hand out, see who's cocoon, say who do live on.

At that time the workers three shifts, 24 hours of nonstop construction. The ground at a distance have a unearthed mouth, every day a lot of traffic coming, lively and extraordinary. Workers on the ground of the summer sun, wearing shorts, bare to the waist. Who are the sun purple, back and shoulders of the skin drying out a layer after layer; in the underground workers more hard, day and night work in the moist dark tunnels, braving the risk of landslides to tunneling.

3 tunnel of Harbin motor factory is responsible for digging lasted more than two years of completion. Saguo sweat of workers in the tunnel, is now the grey-haired man, some people leave this world. Now the tunnel reopened, is one of the greatest affirmation.

"7381" project for the reinforced concrete structure, the consumption of steel material 12501 tons, 20549 cubic meters of wood, 100000 tons of cement, sand, 247000 cubic meters, all kinds of stone 400000 cubic meters, total project investment of 53080000 yuan (not including labor costs and sporadic tool fees), the average cost 404 yuan per square metre.

Go down the stairs seven and half layer

In a city near the museum, up the steps, across the two layer, business service area, and through the two storey office and the storage area, "7381" project in the face.

From the beginning of fourth underground floors, exposed concrete structure project of steel roof, walls and texture edges and corners, let a person look is generated in the underground bunker, this feeling of falling body. Go to the underground seventh floors, roof has arched and, a block of cement arch plate cold Sen Sen to form a whole, and then at a neat context.

According to Defense Department staff said, "7381" project is huge, and the construction quality is quite good, although has experienced 30 years of lonely years, but throughout the wall, vault, channel still sturdy.

Down to the underground seven half, is a more than ten square meters of space, a gate blocking the way. The door is a big iron bolt, a manager and opened the five door lock, hands together three management staff, high iron bolt in the creaking sound difficult to open.

Open the door, a moist warm air through.

It is understood, as a civil air defense projects, in line with the principle of "combining peacetime and wartime, each entrance 7381" project to be used, or as part of a service, or segmented into the parking lot, but the main part are quite secure, or civil air defense department full-time watchmen, or relevant unit personnel to guard, the general public there is absolutely no chance of further in the.

Open the final gate, he was shocked at the scene.

This is a great vaulted passage, a person standing in the corridor, became not worth mentioning insignificance sense. Large concrete arch plate high "buckle", neat and solemn arrangement, like a volt interest in Wolong.

At the foot of the cement pavement roughness dust, every step will issue a clear and resounding voice. The reporter could look ahead, lighting and range of less than twenty meters.

This passage can easily accommodate two heavy tanks in parallel, a large fire high lift trucks pass, can even half a section of the curved arm. In such deep underground mining, so the size of the tunnel, in that no high-tech era, the cost of manpower, one can imagine.

The lights went down, into the darkness, but always feel light in the not far away, at the foot of a different way. A staff member said, they are regular vascular, jeeps from Harbin Engineering University entrance to university entrance, as long as ten minutes.

According to the Defense Department, in accordance with the construction planning, University of Harbin Engineering University, museum, a series of entrance, also called the "subway station construction", has been the foreign subway construction standards, and now the city subway project, the "platform" is really will be built into a the subway platform.

Metro "project 7381" there is insufficient

Harbin plans to use the "7381" project, the construction of the subway line. "7381" project, does provide a good foundation for the subway construction, but the existence of some problems, is not easy to solve, if these problems are not resolved, the subway construction will be disturbed.

"7381" project mainly adopts the top-down construction method, it also has some shortcomings. One disadvantage is the construction joint, joint if processes is not good, has certain influence on structure strength and integrity of the project, has certain influence on waterproof.

According to introduction Harbin civil air defense sector, is now on the "7381" engineering vascular process, has found the waterproof problem. Some sections of the unknown Water Leakage, some places water up to half a deep. Therefore, the civil air defense department specially established management team, regularly with water pump. Subway to now, the project is the first one of the flood.

"7381" project from the scene of 21 meters to 22 meters, in such deep underground subway is not easy. From the ground to the subway, light by walking down the steps must work, need to build the escalator. Construction elevator needs a certain slope, which may be related to the expropriation of land. This project is according to the standard design of subway station position, but not broad, exit is very narrow. Metro is sure to expand the area, and on the ground that the distance of 20 meters, 30 years to increase the number of pipe and line, excavation will involve many departments.

Harbin Metro Map

Statistics in 1978, 1250000 Harbin militia, the militia in 730000, 291 regiment, 120 anti tank weapons platoon, 155 hit the tank explosion class. The underground fortress with "7381" as the representative of the 03/04 project, Harbin is the Stalingrad of the East, the invading army graveyard, will be called the Soviet Revisionism be completely destroyed

One, organization construction
Zone was established, the whole region 8 counties a total of 716429 people militia (primary militia 370047 people, ordinary militia militia cadres at and above 346382, row 12 594), encoding the army camp 194, 298, even 2821, row 15 804. From August 30, 1965 to September 5th, the newly formed prefectural Songhua River according to the national militia work meeting of 1965 April "CPC Central Committee on strengthening the combat readiness indicator" and in 1965 July the Central Military Commission meeting of the spirit, and the Harbin Municipal Association held a militia, working conference, to strengthen the party tube for county region armed work and strengthen the combat readiness. In accordance with the State Council issued the "Regulations" militia work, adhere to the "Lao Wu to work with," militia work policy, do well the militia organizations. The deployment of the region by the socialist education movement is being carried out, clean up the militia class composition, rectify the militia, strengthen the militia class, row, Lian Jianshe, three to carry out a militia work "" (i.e., organization, implementation, political military implement). The division is responsible for the formation of the armed forces and the militia battalion in the counties.
In 1965 August, military sub district in Binxian, Wuchang, Shuangcheng, A Cheng 4 counties began to set up independent battalion armed militia work, to December 28, 1965, a total of primary militia members 2 289, accounted for 7.5%; for 20 companies, of which 3 machine guns even; equipped with 84 rows of cadres, and compiled by be equipped with various weapons. To rectify the militia, in 1966 May completed. Whole area 8 counties rectification were militia 716 429 people, the primary militia 370047 people, 346382 people of ordinary militia. A total of 8 militia division, 186 regiment, 120 battalion, 2742 company, 15 739, equipped with a row of 11143 cadres above.
"Cultural Revolution" began, to 1966 December, militia organizations has received great impact, the local militia paralysis, militia training interrupt, there is still a considerable part of the militia in factional strife, and some also engage in battle, seriously affected the production and work, the principle of the unity of the armed forces of destruction. In June 29, 1967, to the leather Committee issued "on the strengthening of the militia in the" Cultural Revolution "decision", "decision" urged all localities to strengthen the militia in construction, power enterprises and grass-roots units established the Revolutionary Committee must have a militia representatives to form a "three combination" authority; local militia work organization, the implementation of "three" political, military, selection of cadres of the militia, the militia do require "grasp revolution, promote production of model". In 1967 November, to the leather Committee elected the representative 130 people in the region, attended the conference committee province leather militia, the provincial military region held. During the "Cultural Revolution" after the rectification militia, to the end of 1967, the region of 8 counties a total of militia 726 839 people, the primary militia 377117 people, the ordinary militia 349722 people, were compiled 8 militia division, 180 regiment, 75 battalion, 2735 company, 15 897, equipped with a row of 56160 cadres above people.
In March 30, 1969, to the leather Committee according to the provincial Revolutionary Committee, the provincial military region "on the strengthening of combat readiness, a militia building instructions", the deployment of the region to a rectification of the militia. In April 9, 1969, to the leather committee decided to rectify the militia at the same time, strengthen the formation of the county primary militia combat readiness. In 1969 May, whole area 8 counties on the basis of the militia, transferred backbone established 6 primary militia regiments, 2 separate battalion, were 9 181. The counties have set up the standing militia duty company, and common training of grass-roots cadres of the militia. The winter of 1969 to 1970 March, the garrison in assist in Shuangcheng, Wuchang, Shangzhi, founder, Yanshou 5 counties set up 3 militia division, each division 4 regiment, a total of 12 primary militia. The core group of leaders in Party A agreed with garrison, consisting of a headquarters, called Songhua River area militia is an independent division, the 12 regiment the pipes together. At the same time, the provincial military region formed a militia division in Hulan County, Bayan County, Songhua River area militia independent two division, under the 4 militia. To the end of 1970, the whole 11 counties except in the militia independent one or two division of the militia, the grass-roots party organizations in strengthening the combat readiness, generally on the militia to carry out rectification, a total of the whole region militia 956 685 people, the primary militia 516834 people, the ordinary militia 439851 people, has compiled 33 militia regiment, 212 battalion even 18 034, 4016, a row of platoon, equipped with 68238 cadres above.

From January 30, 1974 to February 4th, perfectural Party committee held a militia, civil air defense combat readiness work conference in Bayan County, and issued a "militia work meeting minutes", put forward "three militia militia work to implement the" as the guiding principle, vigorously strengthen the militia organization construction, we must focus on the armed skeleton army organization and the rectification work, the militia to county as the unit group based on coding, coding and cAMP production brigade commune, linkage, the production team arrangement. To the end of 1976, the region of 11 counties a total 1 230 243 militia, the militia of 722958 people, the ordinary militia 507285; CO compiled 277 regiments, 259 battalions, 5011 even, 23 025 row; a row of 92631 cadres above.
After the Third Plenary Session of the eleven, according to the statistics of 12 at the end of 1978, whole area 11 counties a total of 1259725 people including the militia militia, 733 920 people, the ordinary militia 525805. Prepared for the 291 regiment, 393 battalion, 5179 company, 22978 platoon. In 1979 the selection of 127 959 in primary militia, composed of 11 armed skeleton army, 834. Among them, 29 battery, 44 heavy machine guns, 55 mortars, 3 field artillery, 14 signal company, 11 engineer company, 11 reconnaissance company, 150 six 0 mortars, 120 anti tank weapons platoon, 1 Chemical Company, 155 dozen tanks blasting class, 1 antiaircraft battalion marshalling. And to the commune as a unit into armed backbone people barracks or even, the production brigade arrangement, the production team grouping. The primary militia armed with

The key protection engineering
　　
A, Harbin engineering machinery plant underground workshop
Harbin engineering machinery factory is located in Harbin City, the underground workshop of power plant of Sun Jia Railway Station Road South hospital. Built in 1970 the first underground production workshop and put to use, to the end of 1978, has also built 2 underground workshop. 3 production workshop area of 3442 square meters. 1978 the third national defense work conference was awarded the national title of advanced unit in the building of civil air defense combat readiness.
The first underground workshop to start construction in September 23, 1970, completed in December 23rd, 1971 machine installation and put into use, is a plant in tool workshop. The project for the semi ground arch, reinforced concrete structure, the thickness of 40 cm, the span is 7 meters, 50 meters long, also built a production workshop, warehouse and supporting tool library, generator room, pump room, office and other auxiliary rooms and 1 can enter and exit the car suspension bridge entrance. Engineering construction, to take soil excavation, concrete pouring the semi-circular arch, depth of 10 meters. This is Hashi in civil defense engineering construction in the first use of civil construction engineering, created the experience for the wide application of civil construction method in civil defense engineering construction.
Second underground workshop in March 16, 1976 to start, when completed. This project is a large excavation construction of reinforced concrete floor, semicircle arch structure, the thickness of 80 cm. Engineering depth of 10 meters, span 12 meters, 100 meters long, the use of an area of 1680 square meters. In 1977 the first production workshop to second production workshop, machine 40 sets, the production of mechanical products.
Third underground workshop in 1978 June to start construction, when completed. The project is divided into 4 layers, box shaped steel reinforced concrete structure, the use of an area of 1412 square meters. The bottom for the electronic equipment production workshop, production animation video intelligent machine and supporting the products of this factory tower crane control cabinet and other products.
According to the peacetime and wartime needs, in the first and second production workshop equipped with an elevator shaft, equipped with elevator load 3 tons of self-made, equipment and materials needed to transport production workshop. Production workshop using waste heat heating heating tube, equipped with mechanical ventilation facilities. In accordance with the requirements of technical and tactical air defense projects installed protective sealing door and door sealing.
The underground workshop all is to mobilize the entire factory worker work construction, to build second production workshop, the mobilization of the whole plant more than 1000 workers day and night raids construction, 9 days to complete 3000 cubic meters of concrete pouring task. Factory workers in the construction of 3 underground production workshop, a total investment of about 70000 person days. 3 underground production workshop in the use of the 300 tons of steel, 150 cubic meters of wood, 2600 tons of cement, the basic material cost investment of 1000000 yuan, the average cost 302 yuan per square metre.
The underground workshop from 1971 to 1990 have been put into use, maintain normal production scale and economic benefits of good.

Two, the "01 project" ("7381" project of barren hills and the test section)
The 01 project is the war to defend Harbin city defense fortifications, located on the Ashe River floodplain in the East, 20 km away from the downtown, the ground formerly Harbin tombs. Project north with highway, along the South West to Dongshan extends to wear Liantun, a total length of 2980 meters, the use of an area of 13000 square meters. Internal can use vehicles, troops and artillery and antiaircraft gun masking, wartime also available firepower blockade along with highway and into a high sub readiness highway east to the enemy, can also be masked by the invading enemy fire gun. Work with a width of 4 meters, 3. 8 meters high, structure of masonry wall, reinforced concrete round arch, covering soil thickness average 27 meters, the most up to 42 meters deep, inner vents, observation posts, enter the intersection, and is provided with a power supply, water supply. Project was started in February 1, 1974, completed by the end of the year. Project planning route is determined by the Harbin military region, by the Revolutionary Committee of Harbin City 7381 engineering command organization design and construction. The construction team composed of the enterprises and institutions to combat duty in chemical industry, light industry, light industry, construction, urban construction, real estate, metallurgy, machinery, instruments, and a second, a total of 11 bureau. The project cost about 4000000 yuan of funds (only considering the cost of materials, excluding the compulsory labour labor costs and management fees), labor about 300000 days, 8000 tons of cement, of more than 600 tons of steel, 800 cubic meters of timber. The project for the segment in the city, Metro channel. 1983-1990 years, in accordance with the needs of spirit to store fresh vegetable, fruit.

Three, Harbin City, "7381" road engineering
Harbin city "7381" road project is located in the central area of Harbin, east of Nangang district east straight street, Street West to the dynamic region, intermittent length 9. 5 km, is the largest Harbin city civil air defense engineering in the largest road engineering.
"7381" road engineering including a trunk, branch, subway station (the project is based on Design of Metro scale), auto approach and special project consists of 5 parts. The main road from the east straight street in Heilongjiang province military region hospital, along the greatly straight street, Hexing road to the street, engineering span is 7. 3 meters, height is 6 meters, the closed structure of reinforced concrete circular arch wall and inverted arch. In section 7.8, the curve Street widened to 8.5 metres, the largest span turnout section is 13. 6 meters. Main branch, the east straight street and Hing Road, in the military, Industrial University, Qing bin Lu Construction of 3 car approach, a clear span of 4 meters, height of 3.9 meters, the circular arch and straight wall of reinforced concrete structure and reinforced concrete round arch masonry wall structure. From the east straight street to street road, Harbin cigarette factory, Harbin theater, Harbin Railway Bureau, Tongda street, Hexing Road, the street area, construction of 6 three span, double cross subway station. Span width 8. 4 metres across three stations, two sides across 3. 5 meters, with three arch reinforcement concrete structure. Special project, in the main road on both sides built the city headquarters, underground shops, food stores, underground garage, underground communication hub. Road is built ventilation, drainage and other ancillary works. The depth of 16--24 meters. The main body of the project as a level Four protection grade.
"7381" project is the design and construction in accordance with the guidelines for both peacetime and wartime. In 1973, Harbin City People's air defense and on the basis of city defense needs, in peacetime and wartime, combining the principles of planning of the underground passage, the scale of construction, to build 3 from the city to the suburbs, mountains radial line underground lines, connecting Shuangcheng, A Cheng bin, the direction of rural and mountainous areas. Considering the usual use, carries on the design according to requirements of subway. Because the project is decided in August 1, 1973 to construct, hence the name code "7381" project. In order to achieve the construction of large-scale engineering construction experience, in 1974 February, in the test section construction engineering of barren hills and organization in Harbin City, after gaining experience, starting from the east straight street in military hospital in 1975 February the formal construction, gradually extending to the Wo Hing Road, Dongli District street. By the end of 1979, due to implement the policy of readjustment, funds are limited, the civil air defense project leading group decided to stop construction, extension.
According to the "7381" project building a large scale, involving a wide range of features, in 1973 August, Harbin City, the establishment of the "7381" Project Command commander from the main leadership, Lv Qien, revolutionary committee. Command consists of several functional departments, responsible for project planning, surveying, design and construction. To undertake the construction task in each unit, provincial and city systems, set up the 68 division headquarters, in the project construction headquarters under the unified leadership, organization construction force, responsible for construction management. In 1979 January, "7381" Engineering Command undo, established the engineering design, construction, repair, materials, transport 5, under the leadership of the city's air defense office.
"The construction force 7381" project is to mobilize the masses to compulsory labor form. According to the regulations of the state by the urban workforce 1-3% personnel to participate in civil air defense engineering compulsory labor, by the municipal headquarters to in Kazakhstan central, provincial and city each system task and the construction section bear, according to various units in the system, according to the task and policy, is responsible for organizing the construction of power, establish professional construction team, respectively. To carry out construction in 68 lots, on-site construction workers every day up to 1. 5 million, in 1975 February at the end of -1979, invested a total of 7200000 working days.
"7381" project construction, according to the project of large span, buried depth, the characteristics of soil is more complex, the construction of underground engineering experience at home and abroad, take the "construction method of excavation, top heading, arch wall, jump cut tin". Construction of roads, take short excavation, strong support, quick lining, to build good arch lining supporting body, and then in the hole had built on protection of men dug in tank, skipping excavation tinplate, casting wall, finally built arch bottom, forming an annular closed structure. Three span station excavation section width 18. 6 meters, the arch method, first the construction side span arch, to form a closed, and then the construction of middle span arch. Double arch station, the arch wall segmental construction. The construction method of arch wall, ensured the construction safety, reducing the earthwork, saving a lot of supporting material, is a pioneering work of civil air defense engineering construction method.
"7381" project for the reinforced concrete structure, the main material consumption of the project: 12501 tons of steel, 20549 cubic meters of wood, 100000 tons of cement, sand, 24. 7 million cubic meters, 400000 cubic meters of stone. The project by the province a total investment of 53080000 yuan (not including labor costs and sporadic tool fees), the average cost 404 yuan per square metre.
At the end of 1979, "7381" project to stop extending construction, in order to strengthen the engineering maintenance management and use, the City Civil Air Defense Office of the organization of more than 50 people repair team, responsible for project management. 1980 until the winter of 1990, storage of vehicles using the "7381" road engineering. Parking at the height of up to six hundred or seven hundred vehicles, parking revenue each year up to a maximum of 300000 yuan, which can solve the winter parking difficult problem to the society, but also solve the expenditure management civil air defense engineering and maintenance.

Four, "03" project"
03 "engineering is communication and command center during the war, for the Harbin city party, government, military wartime leadership and command the use of air raid struggle. The project is located in the east straight street south, between Tieling street and Anshan street. Construction area of 1862 square meters, according to the standard of two grade civil air defence engineering design, main body of the straight wall semi enclosed reinforced concrete arch structure, width of 6 meters, 6 meters high, is divided into 2 layers, depth of 22 meters. With internal heating, ventilation, self-contained power source, decontamination, filtrating facilities. A war room, executive lounge, office, radio, cable communication exchange platform for staff room, office, rest, masking, life, otherwise the boiler room, generator room. The project started in early 1976, completed in 1977. The project by the Revolutionary Committee of Harbin city "7381" project headquarters planning department, "7381" project headquarters by way of organization construction mobilization readiness of voluntary work, specifically responsible for the construction unit is the city premises Bureau and the Bureau of city appearance. The project investment of 53. 6 million yuan (not including labor and management costs), 252 tons of steel, 381 cubic meters of wood, 1953 tons of cement. The project is overseen by Harbin people's Air Defense Office management.

Five, "04" project (the provincial command)
The "04 project" is the Heilongjiang wartime communications command center, located in Wenchang street and civilized district Nangang street crossing plaza. Work with area of 1146 square meters, the main project width of 6 meters, 4. 5 meters high, according to the standard two grade civil air defense design, the straight wall semicircle arch of reinforced concrete structure, depth of 20 meters, with internal heating, ventilation, decontamination, filter, power, water, oil and a full set of command and communication facilities. Has operational command, office, rest, living room, generator room, ventilation and machine room, decontamination room. The project started in the end of 1976, completed in early 1978. The design project by the Revolutionary Committee of Harbin city "7381" engineering command organization, Harbin electric wire factory, the first tool factory in Harbin to undertake the construction. The project investment 450000 yuan (not including the wages of workers and management fees), consumption of 232 tons of steel, 250 cubic meters of wood, 1514 tons of cement. Engineering for provincial party politics, war, military command and the air raid struggle, usually used by the office of the Heilongjiang Provincial People's air defense management.

Six, Harbin City Qiulin underground shops
Qiulin underground store is located in Nangang District, east straight street west of the shopping mall in front of "7381" road. Engineering structure, 3 layers, each layer of 51 meters long, 17. 5 meters wide, construction area of 2700 square meters, the use of an area of 2277 square meters.
Qiulin underground shops is the product of "7381" road collapse accident. 1976 "7381" road construction to Qiulin area, because the construction personnel in violation of construction procedure, resulting in more than 40 meters long road ground subsidence accidents. Given the collapse area on both sides of a high-rise buildings, roads in the depth limit of 20 meters below the condition, cannot adopt the construction method of excavation. "7381" engineering design personnel, after repeated research and feasibility studies, design of the open caisson construction, the construction of a 51 meters long, 17. 5 meters wide, 4 meters high 21. 6 layer on the ground (the bottom for the "7381" road) reinforced concrete box structure "building". "Building" volume is 19278 cubic meters, the weight of 10500 tons of caisson. "Building" of each layer is divided into three cross, cross 8. 7 meters, 3. 4 meters on both sides along the longitudinal cross, every 5 meters span crossbeam, wall thickness of 1 meters. The caisson weight, complicated structure, high technical requirements, take two times, two times pouring sinking method, first, making 17. 3 meters high in the 8 meters, concrete caisson weighs 7430 tons, according to the friction lining and soil every square metre 3 tons, edge angle emptied after the sinking of minus 17 meters, second times, to the top of the frame concrete pouring, weight 10500 tons, according to the friction lining and soil 3. 5 tons per square meter, sinking to the bottom elevation 23. 6 meters. The results of open caisson sinking, edge angle of elevation and the maximum horizontal displacement, all meet the design requirements. "7381" engineering command directly under the leadership of construction. 13 units of the Provincial Construction Commission, Harbin light machinery factory, Harbin Electrical Carbon Factory, Harbin vehicle factory, business administration, Department of transportation, Shipping Bureau to undertake the construction task in 1978 July, all completed. According to both the peacetime use of civil air defense projects, and in line with the tactical and technical requirements, fortifications are equipped with 2 3 meter wide channel communicated with "7381" road, 1 and Qiulin company main communication step entrance, 2 out of the ground the greatly straight street on both sides of the entrance. Fortifications internal terrazzo, marble veneer walls; protective sealing door, with ventilation, heating, power generation, water supply and drainage facilities. Because the project is large, quality is strong, the use of more material, so the cost is relatively high. The main material consumption is 3510 tons of cement, 620 tons of steel, 1076 cubic meters of wood, investment 2026000 yuan, the average cost 750.37 yuan per square metre.
In 1978 July, the underground shops officially put into use, management of telecommunications equipment, household appliances, furniture, iron furniture, eating food machinery, hardware tools, arrange job waiting youth more than 160 people, about 10000 people daily reception customer, economic benefit and social benefit are very good.
Qiulin underground shops is a combination of peacetime and wartime project, as air defense projects, rational layout, protective facilities, meet the tactical requirements; combined with engineering, as in peacetime and grand scale, gorgeous decoration, equipment complete, suitable for everyday use.

Seven, the underground Hospital of Heilongjiang Hospital
Underground hospital and provincial hospital is located in Harbin City, south of Zhongshan Road, hospital inpatient hospital below, is a peacetime and wartime readiness of hospital. Started in July 1, 1976, completed in 1982. Engineering depth of 15 meters, for the block wall of reinforced concrete arch structure, the use of an area of 2720 square meters, the protective capacity of five level.
The plane is trapezoidal layout engineering, 2 times the length of 135 meters, a parallel channel 3 meters wide, on both sides of the channel to build 3-4 meters wide, 15 meters long ward 8, accommodate 100 beds (maximum capacity 300 sheets), consulting room, operation room, constructed the work room and the ventilation room, washing room, toilet, water pump room, boiler room and other ancillary 9 rooms, built 3 entrance (1 steps from the entrance, 1 sloping entrance, 1 elevator entrance), for personnel and carry out seriously ill patients.
In order to meet the need of peacetime and wartime, fortifications to install protective sealing door, set up a decontamination room, the installation of mechanical ventilation, ventilation and heating equipment. Project terrazzo floor, white paint the walls, fluorescent lighting. Fortifications of all the year round temperature of 18-24 degrees Celsius, relative humidity between 60-70 degrees, have as hospital year-round use conditions.
Underground engineering construction of hospitals by the provincial health department, the provincial hospital from Cadres Construction Headquarters, the construction force is health workers. The dark out, tunneling, edge coating construction method. The whole project is completed earthwork 1. 2 million cubic meters, reinforced concrete volume of 1000 cubic meters, 2000 cubic meters of stone blocks, the use of 60000 working days. The project investment 1300000 yuan, the average cost 600 yuan per square metre.
At the beginning of 1982 underground hospital built and put into use. Because at that time the hospital equipment is not complete, as a temporary underground hotels, the main reception from the field to the hospital and see a patient person. In 1984 the perfect facilities, opened the Department, Department of Dermatology, operation room, set 100 beds. In 1990 the hospital annual turnover of about 1000000 yuan, usage and economic benefit has been very good.

Underground cold storage eight, Harbin Bearing factory
Underground cold storage Harbin Bearing factory is located in Xiangfang District, in 1976 1986 to start construction, all completed commissioning. The building is divided into two parts, underground construction area of 2031 square meters, with an area of 1147 square meters; the ground building (2 floors) of 200 square meters. The underground part for factory workers and staff education and training center, after the fruit, vegetable storage, early 1990 into the freezer.
Engineering building structure for the stone mix, protection grade five. Project length of 105 meters, width of 4.5 meters, 4.05 meters in height, depth 20 meters underground, the top protective layer thickness of 15. 55 meters, 0.40 meters thick.
In accordance with the needs and requires, engineering 2 entrance, an inclined ladder type step entrance, 5 meters wide; another for elevator well. Install the 1520 type anti doors 2 and appliances, heating, water supply and drainage, ventilation, cooling towers and other facilities.
The project is from Harbin Bearing factory construction. In the leadership of the Party committee and bearing factory, established the underground project construction headquarters, the mobilization of all employees to take part in voluntary labor, the whole project is put into labor more than 2, completed earthwork volume is 8500 cubic meters, 2640 cubic meters of concrete and stone. Project of 80 tons of steel, 600 tons of cement, 120 cubic meters of wood. The project investment of 908000 yuan (not including ground building), the bearing factory raised 400000 yuan, the project cost 4.47 yuan per square metre.
Engineering freezer parts stored meat, other parts of the storage of fruits and vegetables, and receive better benefits.

Nine, Harbin City Light Industry underground garage
Harbin City Light Industry underground garage, with one located in the park - Nangang, Daoli and Daowai District 3, started construction in 1977, completed in 1979 put into use.
The project is in accordance with the needs of the construction principle, engineering section width 7.3 meters, 4. 7 meters high, depth of 21 meters, and the light of underground palace of culture and the east straight street "7381" underground roads connected, the total area of 4763 square meters, protection grade five level, reinforced concrete structure. Engineering usually used for storage of vehicles, the war as artillery positions or masking personnel, assembled a professional team and storage materials.
Engineering is the Second Light Industry Bureau, according to the country about the collective units from the after tax in the accumulation of self defense project funds to build. The project investment 1400000 yuan, the use of 8200 tons of cement, 185 tons of steel, 285 cubic meters of wood.
The project completed and put into use in 1979, could save car many 80, each unit of this system not only solves the winter parking difficult problem, also for the unit provides convenient parking, annual income of about 110000 yuan. From project put into use until the 1990, social and economic benefits have been better.

House of Light Industry Bureau, Harbin city underground culture ten
Light Industry Bureau underground palace of culture in Nangang area and Daowai District with the following one, park slope.
Started in June 4, 1978, completed in July 1, 1980. Construction area of 10848 square meters, the use of an area of 8950 square meters.
Underground palace of culture is a large peacetime and wartime engineering and versatile medium theatre. Project base is 69.2 meters long, 33.8 meters wide, 19. 6 meters high, 22 meters deep underground, the main part of the project for the reinforced concrete structure. The theatre is an arch, 34 meters long, 19. 4 meters wide, stage 17 meters in depth. Both sides support is 3 storey theater box frame, both sides is 4 meters wide audience lounge. The theatre has 1500 seats. Around the hall, respectively, 3 layer, 4 layer. The 3 layer, use an area of 440 square meters; hall after the 4 layer, the use of an area of 780 square meters. Two buildings on both sides with 2 exhibition hall. The theatre has 5 entrance, lobby entrance width 8 meters, the ground buildings, one hall entrance 2. 5 meters wide, and underground parking lot and the "7381" road connected. The project has built and installed ventilation, heating, water supply and drainage, protection door rooms and facilities.
Underground palace of culture is in accordance with the tactical air defense project requirements for the design and construction. In the original Light Industry Bureau Construction Headquarters under the leadership of the company, the staff and workers of the enterprise, take turns duty construction, peak of more than 2000 people. The whole project invested a total of 180000 days, to complete the earthwork volume is 77460 cubic meters, 13400 cubic meters of concrete. According to the engineering of large span, buried deep, the project has adopted the method of construction from the top down, first dry cover, the soil excavation, edge, edge covering, gradually extending down, broke from the bottom up construction of conventional, reduces the earthwork more than 7 cubic meters, saving 430 cubic meters of wood. The whole project of 883 tons of steel, 6712 tons of cement, 1215 cubic meters of wood, and a lot of decoration materials, direct investment 4600000 yuan, the average cost of 514 yuan per square metre.
The project was completed in 1980 July and put into use, until 1990, mainly as a workers' cultural activity center and large meetings place, at the same time reception all over the country to Harbin city art performing groups, an annual average of 370 field.
Implementation of the comprehensive utilization of underground palace of culture in use. Four Start hotel use back room, 100 beds, both for theatrical performance unit actor accommodation, dining, also opened for business, with two floor on both sides of the hall held a variety of exhibition.

Eleven, Harbin city urban underground vegetable base
Harbin City, long winter time, city residents have great difficulty in winter vegetables. City Hall in order to alleviate the bite hard, 3 underground food bank decided to build a building area of 2. 4 square meters, the vegetable base is one of the basic construction in the city plan, civil air defense sector in funding for grants.
Harbin urban underground food base is located in Harbin City, urban and rural road, Daoli District of the city and the suburbs with the Department, founded in 1980, was put into use until 1990, received great social benefit and economic benefit.
Urban and rural vegetable base 195 meters long, 55 meters wide, construction area of 11800 square meters, the use of an area of 8640 square meters, depth 5.5 meters underground, interior clear height of 5. 2 meters, the brick wall of reinforced concrete roof structure, to achieve simple level requirements. The project investment is 2600000 yuan, including 700000 yuan subsidies for civil air defense, other basic construction investment. In order to complete the project as soon as possible, the commercial departments of the project headquarters, the mobilization of business system for employees to participate in the labor, the battle of the forms, the project progress faster, only with a year's time to complete the construction task.
Underground food base layout for the two sides is the food storage room, the middle lane, a total of 20 food storage room, 2 entrance into the car. Vegetable base equipped with mechanical refrigeration equipment perfect, indoor storage food 5000000 kilograms, annual seven or eight months into the dish, into the new year and Spring Festival outbound, due to temperature, humidity, reduce waste, save time of up to five or six months. Vegetable base mainly stored garlic Taiwan, leek vegetable, annual production value of up to 67 million yuan. Underground food base the positive regulatory role to ensure market supply plays, received more social benefits, are popular with the public. This project fully embodies the combination of the civil air defense construction and city construction principle, reflects the direction of the civil air defense construction for the city people's living services.

Twelve, Harbin City Bei Xiu Hotel
Bei Xiu Hotel is located in Nangang District of Songhua River street and Manchuria street, street, Corporation Street, folder tree min Yi Street intersection here in the garden, construction area of 1? 10000 square meters, the use of an area of 8300 square meters.
Bei Xiu Hotel project is on the basis of the original Nangang District 2600 square meters of the concealed Fortifications on the transformation, the expansion of. In 1981, according to the principle of combining peacetime and wartime, in accordance with the requirements of the transformation of the ground floor of the hotel. Since July, 1982 -1984 year in November to further expansion of the theatre, restaurant, conference room and interior decoration, after more than 3 years of renovation and expansion, the formation of a comprehensive underground Hotel, have good accommodation, dining, conference, entertainment conditions. The hotel has 64 high, intermediate room can accommodate 270 beds; 1 large restaurant can accommodate 340 people dining at the same time and 4 average 30 people to hold a small restaurant; 1 can accommodate nearly 200 large conference rooms and 10 average accommodate 20 people meeting rooms; 1 hold 738 people in the theatre and film.
In accordance with the requirements for both peacetime and wartime, supporting service facilities engineering with internal ventilation, dehumidification, heating, water supply and drainage, electric power, communication, wash, cold storage and other protection and ancillary facilities and hotel. The project has 4 steps from the entrance, 1 elevator shafts, 1 and "7381" road connectivity mouth. The protective capacity of five level.
The renovation and expansion project of Bei Xiu Hotel take full contract. By the "7381" project office, province to build a company, Hal Measuring & cutting tool works, Harbin forestry machinery factory, Harbin northeast light alloy processing factory, Harbin Longjiang electrical factory to undertake the construction. According to the different size and use, the structure and the different construction methods. Fortifications head housing for 3 layer (1 floors above ground, 2 underground) brick structure, adopts the slot method construction. Reception desk for the reinforced concrete structure, the arch span of 17 meters, and both sides are respectively provided with 4-6 meters wide lounge, using frame structure as the support, semi excavating soil construction. The room is a reinforced concrete arch structure, the excavation method, restaurant and conference room two layer (upper, lower restaurant meeting room) for reinforced concrete pouring column and beam of roof structure, the half open excavation model construction method. The theatre is a reinforced concrete arch, arch span of 17 meters, and both sides are respectively provided with 4-6 meters wide lounge, using frame structure for supporting, semi excavating soil construction. The entire renovation, expansion, decoration engineering work amount 240000, the use of 980 tons of steel, 7800 tons of cement, 670 cubic meters of wood, investment 7190000 yuan, the average cost 868 yuan per square metre.
Bei Xiu Hotel built in 1984 November and put into use, when arrangements for young 150 people. By 1990, more than 200 employees, annual net income about one hundred thousand yuan.

Thirteen, Harbin city car rental company underground garage
Harbin city car rental company underground base is located in Nangang District folder tree Street nineteenth middle school playground, started in 1982, completed in 1983. This project is the combination of a civil air defense construction and city construction of public works, usually by car, wartime can be used as parking and reserve materials.
The project design according to the tactical and technical requirements, the reinforced concrete slab column structure, wall thickness 50 cm, arch 30 centimeters thick, protective ability for grade five. The plane layout for the square, 55. 6 m long, 27 meters wide, interior clear height of 3.9 meters, the use of an area of 1720 square meters, with cylindrical 4 rows of 40 cm in diameter, 5.7 meters deep underground engineering, the top soil 1. 5 meter. There are 2 outdoor outlet, a horseshoe, channel width of 6 meters. Because of the playground was built after the playground filled slope, garage, street side building office, play a role of retaining wall. For the rational use of the terrain elevation, the garage floor and street outdoor ground only 2. 5 meters, so the channel is very short, only 20 meters long, the car passes easily.
Engineering reverse construction method is adopted, the first pile hole drilling, using soil concrete beam and arch, and then transferred to the underground excavation, digging and covered wall, then hit the ground and soil column, the last renovation.
Indoor ventilation room, air discharge chamber, washing room, drains, an explosion-proof lighting, decoration relatively simple application.
The project investment, the main part of the project is 1260000 yuan, is the city's Air Defense Office Solution built fund-raising fee from the junction; office, boiler room and playground flat fee of $500000, is the solution from the city maintenance fees.
The project completed in 1983, was put into use until 1990. Indoor car 60-70 car. The past winter car company car send out there, each car a winter spent 800 yuan. The garage after use, can save the fare of about 50000 yuan a year.

Fourteen, Harbin Mingzhu Hotel
Pearl Hotel project is located in the eastern end of Daowai District Stadium, is composed of a mass concealed fortifications, expansion, renovation and transformation become the peacetime and wartime special project.
The construction of Pearl Hotel project has passed two stages. In 1976 May the organization mobilization Daowai District within the area of factories, enterprises and the streets more than 400 people, take the form of assault battle, the construction personnel concealed fortifications in the stadium. Fortification is the straight wall round arches, the brick die cast reinforced concrete structure, the bottom is a reinforced concrete slab, level five protection standards. After completion of the project, due to the limitation of layout, conditions, there has been no use. In 1983, the city's Air Defense Office in accordance with the peacetime and wartime policy, decided to transform the project, invested in underground hotel. In 1984 July completed the transformation, expansion, renovation tasks, projects to expand the area of 3600 square meters. Two projects using a total of 100000 days, investment 1900000 yuan, the average cost 500 yuan per square metre.
After transformation, plane layout in the corridor, the middle of 2 meter wide corridor, the corridor on both sides as grade 1-4 rooms to open room 69, 205 beds. In accordance with the requirements for both peacetime and wartime, engineering installation of protective sealing door, decontamination room, constructed 2 tunnel entrance, 1 ground communicates the entrance. Fortifications with ventilation, power generation, heating equipment, equipped with 2 40 kW generator sets. The wall with paint finishing and plastic sheeting for surface, Dali stone floor. The layout of the project, the internal facilities and renovation standards, have at the hostel, wartime as people concealed fortifications conditions. In 1984 July as the Harbin Pearl Hotel officially opened until the 1990, social and economic benefits have been better.

Fifteen, Qiulin underground crossing engineering
Qiulin underground pedestrian project is located in Nangang District of Harbin city east straight street and struggle to cross the road underground, started in May 1, 1986, completed in April of 1987, construction area of 4100 square meters, with an area of 3662 square meters, the protective capacity of 5 level.
Qiulin underground pedestrian project is built according to the peacetime and wartime, civil air defense construction and city construction of the principle of combination. The greatly straight street and struggle Road intersection area is one of the most prosperous Harbin city traffic, the most intensive areas, commercial service facilities on both sides of the road, the vehicle pedestrian intensive, frequent exchanges, mutual interference is large, is not conducive to traffic safety. In order to improve the area traffic congestion and chaos, City Hall and civil air defense office, decided to build an underground pedestrian project here, is usually a public facilities of city construction, public personnel shelter in wartime.
Underground pedestrian crossing engineering is square, divided into upper and lower 2 floors, the use of an area of 2397 square meters, the area of 1265 square meters. A pedestrian passage 6 meters wide around the middle and upper, lower for the mall, 4 Street has 8 stepped out the entrance, engineering with internal ventilation, distribution, water supply and drainage facilities, and Toilet 1.
Area construction conditions the project is very complex, surrounded by tall buildings, ground, car flow is large, as the traffic interruption time minimizes, take "reverse construction method". The city's Air Defense Office set up a pedestrian project construction headquarters, the direct leadership and organization construction. In May 1, 1986 the stop vehicular traffic, pouring reinforced concrete column, dug pavement, using soil, water 50 cm thick roof, waterproofing, paved the road, in June 14th to restore the ground traffic. Underground construction, to the original greatly straight street below the "7381" major roads as construction sites, dug two shaft and crossing engineering. The operation well, digging the earth, digging and pouring concrete walls and floor, excavated soil through the road below. Such a construction method, not only reduces the interrupt traffic time, bring great social benefits and economic benefits, and the use of soil can save a lot of wood, shorten the construction period, reduce the cost, the construction is safe.
In May 1, 1986, the underground pedestrian project started, after more than 200 days of the day and night, to December 22, 1986, completed upper and delivery. In 1987 April and finished lower. Two layer co completed earthwork volume is 20500 cubic meters, 4970 cubic meters of concrete. The main material consumption, more than 5070 tons of steel, cement 2250 tons, 3157 cubic meters of wood. The project investment 5900000 yuan (civil air defense investment 3500000 yuan, urban construction investment 2000000 yuan, 400000 yuan fee settlement construction), construction costs per square metre 1318 yuan. Good engineering quality, low cost, by the provincial Civil Air Defense Office and the provincial, City Project Construction Committee named the quality project, in 1987 was named the National Defense Commission level excellent design prize.
To 1990, the project put into use achieved obvious social benefit and economic benefit. 4 underground crossing the street about 200000 people a day by car, one branch, alleviate the ground traffic congestion situation, improve the running speed of the vehicle, to ensure the safety of pedestrians crossing the road. Project the upper walkway intermediate by the provincial Civil Air Defense Office labor management of Service Corporation, with annual sales of about 8000000 yuan; the lower mall project leased to the collective and private ownership, the annual rental income of about 1000000 yuan.

Sixteen, Harbin city civil air defense underground commercial street
In order to carry out civil air defense construction and city construction according to the principle of combining, ease road, Post Street area traffic serious congestion struggle in Harbin City, to improve the environment, in 1987 March City Hall decided to build the struggling road underground commercial street project. This is after complete Qiulin underground pedestrian engineering, the combination of a civil air defense construction and city construction, Harbin is also the first underground commercial street. Engineering construction organization by civil air defense office, design of civil air defense design, underground construction engineering company (the civil air defense construction office) is responsible for construction.
Underground commercial street project construction scale is larger, the South Qiulin, north to the telecommunication bureau of Harbin City, a total length of 300 meters, 15.9 meters wide, divided into two layers, the construction area of 7273. 3 square meters, the building area of 6000 square meters, a total of more than 13000 square meters. Engineering depth 9.35 meters underground, indoor height of upper 3.9 meters 4. 05 meters, the lower. The whole project has 3 underpass, 9 individual entrance. The engineering design is to consider the protection requirements, but also consider the use requirements, carry out the realistic, province, the novelty, the design idea of beauty. Engineering the plane into three cross. Both sides are shops, 5 meters wide, the middle passage, 5. 5 meters wide, the layout of the pedestrian crossing and combining commercial street. The project adopts reinforced concrete column and beamless roof structure, column diameter of 60 cm, 45 cm thick roof, side wall 40 centimeters thick, the lower base for the column independent footing. Engineering interior decoration simple, beautiful, applicable, characteristics of the main point of decoration on the pedestrian crossing hall and business hall, outstanding commercial street. Engineering with internal heating, ventilation and air conditioning, lighting, water, communication, fire shutter, smoke alarm, spray and other facilities.
Underground construction company according to the project is located in the bustling downtown, car flow is large, underground pipe network facilities complex, difficult construction conditions and geographical features, take the "top-down" construction, which is closed to traffic, the road excavation soil, soil construction of reinforced concrete column, roof and heat insulation layer is used, immediately to restore the traffic do road after the construction and underground, "a column, two, three, four of the bottom wall", reducing the closed to traffic time, shorten the construction period, reduce project cost, save a lot of wood. In May 1, 1987 the official start, completed in December 25th, February 1, 1988 formally put into use. The completed and put into use in September 25, 1988. The whole project design, construction, construction quality, have reached the advanced level of national defence construction, in civil air defense construction history is a pioneering work. In 1988 the project by the Shenyang Military Region Air Defense Committee, provincial people's air defense office as a quality project, won the gold medal award. On March 1, 1990, General Secretary Jiang Zemin at the underground commercial street inspections and inscription.
The project investment, fund deficiency. The city's air defense office with the spirit of reform, taken mainly rely on bank loans, measures of social fund-raising and self solve, changed the past rely on state investment approach, for the future development of the civil air defense construction of a new road.
Protection of underground commercial street project is 0.7 kilograms per square centimeter, for a total investment of 1965. 4 million, the average cost for 1500 yuan per square metre; earthwork volume is 60176 cubic meters, an average of earthwork quantity per square meter for 4. 58 meters; concrete volume is 12083 cubic meters, the average volume of concrete per cubic meter for 0. 92 meters; various steel quantity 1166 tons, an average of 89 kilograms per cubic meter of steel; timber volume is 330 cubic meters, the average price per square metre 0. 025 cubic meters of wood.
Underground commercial street business take the state, collective, individual commercial rental counter, the monthly rent 500-700 yuan, annual rent of about 5800000 yuan, 1987-1990 years 3 years to recover all the investment projects. To 1990, received remarkable social and economic benefits, not only makes people, vehicles, improve the speed of vehicles, traffic order significantly improved, but also increase the commercial business area, greatly facilitate the masses of the people, the annual turnover of over 100000000 yuan, net profit of about 5000000 yuan.

Seventeen, Harbin 100th stores underground shopping mall
Ha one hundred underground shopping center is located in Harbin City Park District City Hall door. Siu Lun Street East, West Shangzhi street, north along the stone street, South Harbin first Department store. The project is 108 meters long, 50 meters wide, construction area of 5720 meters. Ground parking underground, the depth of 5. 1 meters, 3 meters high, the use of clearance.
This is a large peacetime and wartime air defense projects, usually in accordance with the parking and shopping car of two different functional design, such as parking for cars 126 Taiwan, such as shopping malls can furnish commercial bar 600; wartime as readiness garage or war readiness material base, with a five level protection ability.
The project by the Harbin City office is responsible for the design, by the Harbin No.1 Construction Engineering Company in charge of construction. Engineering by beamless roof and cast-in-place reinforced concrete columns, column 6 meters by 6 meters. Construction of the underground construction technology advanced "reverse". The project started in 1988 June, in August 25, 1989 completed and put into use. Engineering with internal ventilation, heating, water supply and drainage, fire automatic alarm and automatic spraying equipment, interior decorated, spacious, bright, comfortable. The project investment 12000000 yuan.
The project by the Harbin Municipal Commerce Commission investment, by the Harbin first department store management. One half as ha one hundred furniture stores, the other half counter to social rental. Rental part mainly engaged in textiles, clothing shoes and hats, arts and crafts, small stores and other light industrial goods. Estimated annual sales of about 60000000 yuan, profits and taxes about 4000000 yuan, arrange more than 600 employees.
The project for the city to mobilize social forces to peacetime and wartime development and utilization of underground space has opened up a new way.

Eighteen, Harbin 100th stores underground warehouse
Harbin first department store underground warehouse is located in Harbin City People's Government before the door, window area "eight miscellaneous city" site. Project east 140 meters long, 114 meters wide north-south, a total construction area of 16000 square meters, the ground is 7 layers of comprehensive commercial building, this project is a complex type air defense basement. The project is located in the history of the formation of the central business district of Harbin, people intensive, commercial prosperity. The project is a part of the planning and civil air defense construction planning of city construction, usually as underground shopping malls and commodity turnover warehouse; wartime as the area of war readiness material warehouse and the personnel shelters, embodies the combination of civil air defense construction and city development.
The project by the Harbin Municipal Commerce Commission investment, project cost 30000000 yuan. 1988 started construction in June, 1990 May completed and put into use. The completion of the Harbin first department store and Daoli markets are management, including 3300 square meters for cold hall, fast food restaurants and estate market, for the rest of the warehouse and equipment.
The project due to the large size, more investment, but investment mainly by local self resolve, mild damage zone at the same time by the analysis of Engineering in nuclear attack damage. In order to satisfy the usual big space, mouth open and address the need for lack of funds, but also meet the protection requirements, so the warehouse part adopts a functional transformation from peacetime to wartime measures. In 16000 square meters project, 2500 square metres for wartime personnel shelter, usually as an underground mall, design and a construction is completed by six grade civil air defence engineering. The remaining 13500 square metres of war readiness material warehouse, the usual function design construction, before by wartime functions are strengthened, so as to reach the six level protection resistance requirements. In order to ensure the feasibility and reliability of functional transformation from peacetime to wartime measures, in accordance with the requirements of the engineering department, the reinforcement and the scientific experiment and the shielding test in site construction site. Project for the reinforced concrete beam, plate, the overall casting column frame structure. Column 7. 2 meters, girder spacing of 7.2 meters, beam spacing of 3. 6 meters, roof thickness of 25 cm (function conversion part of 12 cm), for unidirectional plate, plate span 3.6 meters, 5 meters high basement clearance.