Construction Technology | guidelines for the preparation of special construction schemes for divisional and subdivisional works with high

(7) Status of foundation pit works under construction or in use in adjacent areas.

Technical measures: safety assurance measures, quality and technical assurance measures, civilized construction assurance measures, environmental protection measures, seasonal construction assurance measures, etc.

6.

Acceptance criteria: define relevant acceptance criteria and acceptance conditions according to the construction process.

Construction plane layout: general construction plane layout at the stage of foundation pit retaining structure construction and earthwork excavation (including temporary water, electricity, safe and civilized construction site requirements, identification of dangerous and large projects, etc.) And description, and the service conditions around the foundation pit.

Mechanical equipment input plan.

(2) Preparation basis 1.

(5) list of main quantities.

(III) Construction plan 1.

NOCITCE changed the push rule because of WeChat official account.

The notice on the preparation of the special construction plan for the dangerous sub section project (Draft for solicitation) is to be conscientiously implemented.

Technical guarantee conditions: the preparation of relevant equipment, materials, components and accessories for the implementation of the foundation pit project, and the technical skills of the proposed personnel.

(3) Engineering hydrogeology: surface water, groundwater, formation permeability and groundwater supply and discharge, foundation pit groundwater control design (including construction precipitation, curtain water separation, etc.).

Construction methods and operation requirements: process flow, key points, common problems and prevention of preparation before foundation pit engineering construction, groundwater control, support construction, earthwork excavation and so on .

Legal basis: relevant laws, regulations, normative documents, standards, specifications, etc.

(6) for locations near rivers, lakes, canals, dams, etc., historical data shall be consulted to clarify the water level height in flood season and analyze the possible impact on foundation pit.

Technical parameters: support structure construction, dewatering, curtain, key equipment and other technical parameters.

Construction organization design, etc.

treatment measures.

3.

(VII) Acceptance requirements 1.

2.

2.

(3) importance, road characteristics and service condition of adjacent roads.

2.

Construction requirements: specify quality and safety objectives and construction period requirements (commencement date and planned completion date of the project) , the planned commencement date and planned completion date of the foundation pit project.

List of major hazard sources and emergency measures..

3.

Lifting Anchor

4.

Construction management personnel: list of management personnel and post responsibilities (such as project leader, project technical leader, constructor, quality controller, team leaders, etc.) 2.

5.

(2) Engineering geology: landform, formation lithology, adverse geological processes and geological disasters, special rock and soil, foundation pit earthwork excavation design (including earthwork excavation mode and layout, and the relationship between earthwork excavation and support).

4.

based on foundation pit engineering.

Supervision Survey plan.

If you don’t want to miss the highlight of this official account, please put the public number of construction technology as the star sign and click “collect”, “look at” and “Zan” at the end of the text, so that each new article will appear in the subscription list at the first time.

(2) adjacent buildings (structures) Engineering importance, number of floors, structural form, foundation form, foundation buried depth, plane layout of pile foundation or composite foundation reinforcement, pile length and other design parameters, construction and completion time, structural integrity and service condition of buildings.

Labor plan.

Mailing address: engineering quality and safety supervision department of the Ministry of housing and urban rural development, No.

(4) climatic characteristics and seasonal weather of the construction site.

3.

5.

Organizational assurance measures: safety organization, safety assurance system and safety responsibilities of corresponding personnel.

When the conditions are complex, the section drawing shall also be drawn and marked with section line and section number, and the section drawing shall be marked with adjacent buildings (structures) Buried depth of buildings, purpose, material, pipe diameter, buried depth of underground pipelines, etc.

4.

3.

Star setting method: enter the official account home page, click on the top right corner, click “set star”, the public will have the yellow star (Android and iOS user operation) next to the official account name.

Acceptance contents: after the foundation pit is excavated to the base and the deformation is relatively stable, the horizontal displacement and settlement of the top of the support structure, the settlement of buildings (structures), the settlement of surrounding roads and pipelines, the control value of anchor rod (support) axial force, the drainage measures at the top (bottom) of the slope and the integrity of the side wall of the foundation pit.

Email: anquanchu@mohurd.gov.cn 2.

(VI) construction management and allocation and division of labor of operation personnel 1.

Material and equipment plan, etc.: mechanical equipment configuration, demand plan for main materials and revolving materials, main material input plan, mechanical property requirements and detailed requirements for sampling retest, test plan.

Process flow: general construction process flow of foundation pit engineering and process flow of subdivisional works.

Inspection requirements: mobilization quality inspection and sampling inspection of materials used in foundation pit engineering, inspection contents and inspection standards of each process during foundation pit construction.

Composition and responsibilities of emergency response leading group and emergency rescue group, including rescue, security, logistics, medical rescue, aftermath, emergency rescue workflow, response measures, contact information, etc.

Relevant units and individuals can give feedback through the following ways and means before November 15, 2021: 1.

Monitoring measures: monitoring organization, monitoring scope, monitoring items, monitoring methods Monitoring frequency, early warning value and control value, safety patrol, information feedback, layout of monitoring points, etc.

3.

(4) Construction technology 1.

4.

Overview and characteristics of foundation pit project: (1) basic information of the project: perimeter, area, excavation depth, design service life of foundation pit, foundation pit support design (including plane layout, profile and design parameter table), etc.

Full time safety personnel: list of full-time safety production management personnel and post responsibilities.

3.

2.

2.

Special operation personnel: list of special operation personnel with certificates and post responsibilities (with special operation certificate).

(5) the plane relationship and size between the environment plan and the project shall be marked.

2.

Our department has organized and prepared the preparation guide for special construction scheme of high-risk divisional and subdivisional works (Draft for comments) , we are now open to the public for comments.

//Wechat public account setting prompt///   The official account is official.

(4) underground pipelines (including water supply, drainage, gas, heat, power supply, communication, fire protection, etc.) importance, specification, buried depth and use.

Regulations on safety management of high-risk divisional and subdivisional works further strengthen and standardize the safety management of high-risk divisional and subdivisional works in housing construction and municipal infrastructure works, and improve the safety production level of housing construction and municipal infrastructure works.

(VIII) Emergency response measures 1.

Other operation personnel: list of other personnel and post responsibilities.

Acceptance procedures and personnel: determine the composition of acceptance personnel (relevant principals of construction, survey, design, construction, supervision, monitoring and other units) according to the specific acceptance procedures 3.

Project documents: construction contract (construction contracting mode) Survey documents, foundation pit design and construction drawings, current terrain and influence range, pipeline detection or query data, relevant design documents, geological disaster risk assessment report, relevant regulations of the owner, pipeline drawings, etc.

9, Sanlihe Road, Haidian District, Beijing, zip code: 100835.

(V) Construction safety assurance measures 1.

Annex: divisional and subdivisional works with high risk Guideline for preparation of construction scheme (Draft for comments)   Department of project quality and safety supervision, Ministry of housing and urban rural development    Guidelines for preparation of special construction scheme for divisional and subdivisional works with high risk on October 27, 2021    1、 Foundation Pit Engineering    (1) Project overview 1.

Surrounding environmental conditions: (1) the positional relationship between adjacent buildings (structures), roads and underground pipelines and the foundation pit.

2.

Construction schedule: construction schedule of foundation pit works, specific to the schedule of subdivisional works.

Risk identification and classification: risk factor identification and foundation pit safety risk classification.