Use Case

Discover potential issues ​from documents using AI

Industry Construction
Document types Request for Inspection and Survey Check (RISC) Form
Location Hong Kong
Language English
Technology involved NLP, Entity Extraction, Classification, Deep Learning, Knowledge-base, and AI Recommendation

Background

The Development Bureau of Hong Kong announced a new Technical Circular (Works) No. 3/2020 on 27th March 2020 stating that project tender above $300 million on or after 1st April 2020 will be required to adopt the Digital Works Supervision System (DWSS) as one of their new Technical Requirements. The Digital Works Supervision System (DWSS) is a workflow enabled application system which consists of the following five mandatory modules to facilitate the digital processing of the required forms and records with one centralized database system:

  • Request for Inspection/Survey Check (RISC) Form;
  • Site Diary/Site Record Book;
  • Site Safety Inspection Records;
  • Cleansing Inspection Checklists;
  • Labour Return Record

Challenge

A property developer found that there are over 30 thousand “Request for Inspection and Survey Checks (RISC) form” are required to process for each construction site. Since the volume of RISC form is too large, checking and verification can only be done by manual sampling. As a result, incorrect endorsement happens from time to time, leading to a high cost to rectify. Since the RISC forms are already in a digitalized format, the property developer decided to search for a solution to automate the checking and verification process, and ultimately to improve quality and safety at the construction site.
construction

Solutions

We developed an AI Pre-approval and Cross-checking system to automate the RISC form verification process. The system identifies quality issues captured in the RISC forms by employing sentiment analysis and recommends inspection result (outcome), namely “Endorsed”, “Failed”, and “Cancelled”. The system counter-checks if a RISC form has been endorsed incorrectly based on the content of comment fields and provides reason for the prediction. Users can edit the result to retrain the model for continuous enhancement of accuracy. Besides, a word cloud is developed to provide users with a quick overview of their text data. The word cloud does not only consist of one word, but also phrases which frequently occur in the text data. This helps to provide a clearer picture of the overall text data and make it easier to identify patterns or trends in the data. Moreover, the system provides a natural language search function which allows users to express their queries in a more natural and intuitive way.

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