General situation, scale and characteristics of the project?

Project overview refers to the basic situation of the project under construction, mainly including: employer, project name, scale, nature and purpose; For the source of funds, investment, commencement and completion date, construction unit, design unit, supervision unit, construction unit, project site, total project cost, construction conditions, commencement and completion date, construction area, structural form, drawing design completion, contract, etc.

1 general housing construction projects

I. Industrial, civil and public construction projects; BuildingNo.: Da > 28th floor; Medium-sized 6-28 floors; Less than 6 floors

Building height; Large >100m; Medium-sized 25-100m; Less than ≤25m

Single span; Large > 36m medium15-36m; Small ≤ 15m

Single building area; Large > 30000m2, medium-sized 5000-30000m2; Small ≤5000m2

B, residential area or building group project; The building area of the building; Large > 65438+200,000m2; Medium1-1.2000 m2; Less than or equal to10000m2.

C, other general housing construction projects; The contract amount of a single project; Large >1100,000 yuan; Medium-sized 500-1000000 yuan; Small amount ≤ 5 million yuan

2 High-rise structural engineering

A, cooling tower and ancillary works; Rainwater area; Large > 3500m2 medium-sized 2000-3500m2; Small ≤2000m2

B, high-rise structural engineering; Height; Large >120m; Medium-sized 25-120m; Less than ≤25m

C. Other high-rise structures; The contract amount of a single project; Large >1100,000 yuan; Medium-sized 500-1100,000 yuan; Small amount ≤ 5 million yuan

3 foundation and foundation engineering a, building foundation and foundation engineering; Number of floors of the building; > 25th floor; Medium-sized 6-25 floors; Less than 6 floors

B, building foundation and foundation engineering; Structural height; Large >100m; Medium-sized 25-100m; Less than ≤25m

C, foundation pit enclosure engineering; Depth of foundation pit; Large >11m; 4 4-11m+0m; Less than 4m

D, soft foundation treatment project; Depth of foundation treatment; Large >15m; Medium-sized 22-15m; Less than 2 meters

E, other foundation and foundation engineering; The contract amount of a single project; Large sum >100000 yuan; Medium-sized100-1100,000 yuan; Small amount ≤ 1 ten thousand yuan

4 Earthwork; Earthwork excavation or filling works; Large > 600,000m3; Medium 1.5-0.6 million m3; Small ≤ 65438+500,000 m3

Other excavation or filling works; The contract amount of a single project; Large > 40 million yuan; Medium-sized 30-40 million yuan; Small amount ≤ 3 million yuan

6 steel structure engineering a, steel structure building or structural engineering (including light steel structure engineering); Steel structure span; Large > 33m medium10-33m; ≤10m;

Total weight; Large > 1200 tons; Medium 100- 1200 tons; Small ≤100t

Single building area; Large > 24000m2, medium-sized 6000-24000m2; Small ≤ 6000m2

B, grid structure production and installation engineering; Side length of grid structure engineering; Large > 80m; Medium10-80m; ≤ 10m

Total weight; Large > 350 tons; Medium-sized 5-350 tons; Small ≤5 tons;

Single building area; Large > 6000m2 medium-sized 200-6000m2; Small ≤200m2

C, other steel structure engineering; The contract amount of a single project; Large > 40 million yuan; Medium-sized 30-40 million yuan; Small amount ≤ 3 million yuan

7. Waterproof works of various houses; The contract amount of a single project; Large > 2 million yuan; Medium-sized 5-2 million yuan; Small amount ≤ 500,000 yuan

8. Anti-corrosion and thermal insulation engineering Various anti-corrosion and thermal insulation engineering; The contract amount of a single project; Large > 4 million yuan; Medium-sized 5-2 million yuan; Small amount ≤ 500,000 yuan

9. Design, manufacture and installation of all kinds of attached lifting scaffolding; Height; Large > 80m; Medium 25-80 meters; Less than 25 meters

10 metal doors and windows engineering aluminum alloy, plastic steel and other metal doors and windows engineering building layers; Big > 28th floor; Medium-sized 6-28 floors; Less than 6 floors; Building height; Large > 80m medium-sized 20-80m；; Less than ≤20m；; Single building area; Large > 8000m2 medium1000-8000m2; Small ≤ 1000 square meter

The contract amount of a single project; Large > 5 million yuan; Medium1-5 million yuan; Small amount ≤ 1 ten thousand yuan

1 1 prestressed engineering prestressed engineering of various houses; Span; Large > 36m medium15-36m; Less than or equal to15m

The contract amount of a single project; Large > 8 million yuan; Medium1-8 million yuan; Less than or equal to1ten thousand yuan.

The characteristics of the project include: the proposed construction unit, project nature, name, purpose, source of funds, project cost, commencement and completion date, whether the design unit, construction unit and supervision unit are complete, whether the construction drawing has passed the audit, whether the contract has been signed, relevant documents or requirements from higher authorities, project construction area and plane combination, floor number, floor height and total height. Total width, total length and plane shape. Characteristics and buried depth of foundation structure, main structure type, material and size of wall column beam, type, weight and installation position of prefabricated members, stair structure and form, location characteristics: topography, groundwater level, water quality, temperature, winter and rainy season time of the project location, considering wind direction, wind force and earthquake intensity. 5. Construction conditions: including water and electricity supply, road conditions, site leveling, surrounding environment of buildings, materials, sources of processing components, supply and processing capacity, construction machinery and transportation of the construction unit, construction technology and management level, etc. , and then combined with specific engineering characteristics to write some.