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BIM và bóc tách khối lượng

Giữ vững golden thread ở công trình rủi ro cao hơn

Xác định thông tin nào chế độ an toàn công trình sẽ yêu cầu, lưu giữ nó trong một môi trường dữ liệu chung với các trạng thái và mã phù hợp thay vì trong các thư mục, trả lời cơ quan kiểm soát xây dựng dựa trên các phiên bản đã chốt, và bàn giao chuỗi thông tin đầy đủ thay vì đóng nó lại.

5 bước16 phútChủ đầu tư / khách hàngCông ty tư vấn BIM / số hóaNhà thầu chínhCông ty quản lý dự án / thi công

Cách hoạt động, từng bước một

5 bước xuyên suốt nền tảng - bạn làm gì ở mỗi bước và vì sao điều đó quan trọng.

1

State what information is required before anybody produces it

Ma trận EIR (ISO 19650)

Set the information requirements out as a matrix: what has to be delivered, by whom, at what point and to what standard, with the quality gates each set has to pass. Everything downstream is then measured against this rather than against habit.

Tại sao: The golden thread fails at the beginning far more often than at the end. Nobody hands over a building with no information; they hand over a great deal of information nobody asked for, in a form nobody can search, which under a regime that expects the accountable person to answer a question quickly is the same as having none.

Đầu vàoClient information requirementsDelivery programmeĐầu raRequirements matrixAcceptance criteria agreed
2

Separate work in progress from what has been shared

Môi trường Dữ liệu Chung

Run the information through the common data environment states, from work in progress to shared, published and archived, with a suitability code on every container saying what it may be used for. Moving a container between states is a gate somebody passes, not a drag between folders.

Tại sao: The difference between a drawing you may build from and a drawing somebody is still working on is the single most expensive distinction on a construction project, and a folder name cannot carry it. A suitability code travels with the container, so whoever opens it six months later knows what it was fit for without ringing the person who made it.

Đầu vàoDrawings and modelsAgreed suitability codesĐầu raInformation approved for constructionWork in progress kept separate
3

Keep the register the accountable person will read

Tài liệu

Hold the drawings, specifications, calculations, product data and certificates as one register with versions, so the current revision is obvious and the superseded one is still there. Tag and file them the way the requirements matrix asked for, not the way each discipline would prefer.

Tại sao: The regime expects information to be current and findable, and those two fail together: a register where the latest revision is ambiguous is a register where somebody eventually builds from the wrong sheet. Keeping superseded versions rather than overwriting them also answers the question that comes up in every investigation, which is what was known at the time.

Đầu vàoDrawings, specifications and certificatesProduct data and test resultsĐầu raVersioned document registerSuperseded revisions kept
4

Answer building control against the version you submitted

Xem xét Cơ quan

Run the review cycle with the approving authority: record the submission with the document version pinned to it, log each remark, respond to it and close out the decision. When the live document moves on, a remark raised against the submitted version is flagged as stale rather than silently remapped onto the new one.

Tại sao: A remark answered against a drawing that has changed since submission is an answer to a question nobody asked. Pinning the version makes the exchange reconstructable, which is the whole ask of a gateway: show what you submitted, what you were told about it, and what you did in response.

Đầu vàoSubmission packComments raised on reviewĐầu raResponses against pinned versionsDecision recorded
5

Hand the thread on rather than closing it

Đóng

Bind the information into the handover package: the as-built set, the operation and maintenance information, the test and commissioning certificates, the fire and structural information, and the manifest that says what is in there. Issue it to whoever becomes accountable for the building in occupation.

Tại sao: The golden thread does not stop at practical completion, it changes hands. A package that arrives as a folder tree with no manifest becomes an archive nobody opens within a month, and the next person who needs to know how the building was actually built starts again from whatever drawings are still on site.

Đầu vàoVersioned document registerAs-built informationĐầu raHandover package issuedAccountable person has the thread
Mô-đun

Các mô-đun trong playbook này

5 / 190 mô-đun nền tảng

The market this case is written for

Vương quốc Anh

Everything in this case follows how construction work is measured, priced and paid for in this market. The forms, the cost breakdown and the payment rules are the ones used there, not a generic version of them.

Standards it follows

  • RICS NRM 1/2
  • JCT
  • CIS

You do not have to set any of that up by hand. The first time you open the platform it asks which market you work in. Choose this one and it sets the interface language, loads the matching cost database and records the cost classification, and it adds an example project you can open straight away.

The rule checks for this market come with the platform too. Switch them on once and an estimate that misses something the market expects is flagged while you are still working on it, not after the tender has gone out.

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