Briefly describe the main mandatory elements that need to be determined for the preparation of urban

It depends on which level of urban planning you are compiling, whether the general plan of the city, the urban control plan, and the detailed plan of the city are all different.

1. The area of development must be controlled within the city. Including: scenic spots, wetlands, water source protection areas and other ecologically sensitive areas, basic farmland protection areas, underground mineral resources distribution areas.

2. Land for urban construction. Including: the development scale and development direction of urban construction land within the planning period, and the land use restrictions determined according to the evaluation of construction land; The specific layout of various gardens and green spaces in the city.

3. Urban infrastructure and public service facilities. Including: the direction of the city's main roads, the route of urban rail transit, and the layout of large parking lots; Layout of urban water intakes and their protected areas, water supply and sewerage main networks.

Answer]: Article 42 of the Measures for the Preparation of Urban Planning stipulates that the main uses, building density, building height, floor area ratio, green space rate, infrastructure and public service facilities supporting provisions determined by the regulatory detailed plan shall be regarded as mandatory content.

Answer]: Article 42 of the Measures for the Preparation of Urban Planning stipulates that the main use, building density, building height, floor area ratio, green space rate, infrastructure and supporting provisions of public service facilities shall be mandatory in the regulatory detailed annual travel plan.

Answers]: c, d, e

According to the "Methods for the Preparation of Urban Planning" and the "Interim Provisions on the Mandatory Internal Simplicity of Urban Planning", the mandatory content of urban system planning should include: (1) the area within which the development of trousers must be controlled; (2) the layout of major regional infrastructure in the region; (3) Major infrastructure layout involving adjacent cities and regions.

Answer] Attack: B

Item B, Article 11 of the Interim Provisions on the Mandatory Content of Urban Planning stipulates that the mandatory content of the detailed planning of historical and cultural reserves shall not be adjusted in principle. Due to the special requirements of protection work, it is necessary to organize experts to conduct demonstrations and reorganize the preparation and approval in accordance with the law.

Answer]: The mandatory contents of the urban master plan include: the demarcation of the scope of the urban planning area; Delineate scenic spots, nature reserves, wetlands, water source protection areas and water systems and other ecologically sensitive barrage areas, as well as basic farmland, underground mineral resources distribution areas and other areas that must be strictly controlled within the municipal area; The scale of development of urban construction land within the planning period, and the land use restrictions determined according to the evaluation of construction land; the specific layout of various types of green spaces in the city; land for urban infrastructure and public service facilities; protection of natural and historical cultural heritage; Urban disaster prevention and mitigation.