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SERVICE OVERVIEW

Pre-pour documentation (often referred to as a pre-pour checklist) is a vital tool for ensuring the success of any concrete project. It aids design & can facilitate quick-decision making on-site.

Pre-pour documentation captures accurate in-slab conditions, such as formwork, conduits, rebar layout, post-tensioned cables, tech cables & all other embedded objects before concrete is poured. This supports quality assurance, dispute resolution, design & core-hole layout.

Methods & Technology

Laser Scanning

Laser Scanning captures exact as-built conditions for design, analysis, and documentation

Explore Laser Scanning

Explore Your Slab Virtually

Take accurate and precise measurements

Compatible with a variety of 3D platforms

Extract accurate as-built floorplans

Document the contents of your slab

Make quick and informed decisions on layout

Benefits

6 Benefits of Completing a Pre-Pour Documentation Sitewalk

Reduces Cost and Rework

Identifying and addressing issues before the pour can significantly reduce costly rework and delays

Improves Quality

Ensuring reinforcement (rebar) and post-tensioned cables are correctly placed, tied, and free of debris, with proper spacing and laps.

Enhances Safety

Proper pre-pour preparation and safety checks help minimize the risk of accidents and injuries on the job site.

Provides a Record

Checking for proper bdarricades, fall protection, and communication equipment, as well as ensuring a clear work area.

Facilitates Communication

The sitewalk can be used to communicate important information between different parties involved in the project, such as the contractor, subcontractor, and inspector.

Empowers Designers

Reduces any guesswork when laying out core holes, with full consideration for structural elements like zone steel, slab bands, and other no-go areas for core-holes.

Developed for the construction industry, Xradar’s Sitewalk is a method of capturing and documenting pre-pour perspectives of in-slab targets. Xradar allows you to continuously monitor and record the progress of your site from original plans to validating as-built conditions. The 3D platform places great emphasis on freedom of movement, allowing all users to remotely “walk” through the project.

4 Key Reasons Why Pre-Pour Documentation is Essential for Any Construction Project

Formwork

Confirming formwork is properly constructed, secure, and aligned according to the plans, including checking for proper release agents.

Reinforcement

Ensuring reinforcement (rebar) and post-tensioned cables are correctly placed, tied, and free of debris, with proper spacing and laps.

Embedded Items

Verifying that any embedded items, such as pipes or utilities, are in their correct positions and properly installed.

Safety

Checking for proper barricades, fall protection, and communication equipment, as well as ensuring a clear work area.

What people say

  • It is my personal opinion that Xradar may be the best in the industry in the Vancouver Area. 

    On the BTC project they have executed the scans with great accuracy. While coring or cutting using the  information that they provided, EllisDon has happily had a 100% success rate in avoiding potential  hazards. Their team arrives on time, performs the work requested and leaves the area in a clean  professional state upon completion.  

    I have and will continue to recommend Xradar to all my construction contacts and  acquaintances.

    Brent Hilliard 
    Superintendent, 
    EllisDon Corp.

  • Xradar has consistently proven to be a reliable and collaborative partner across multiple complex projects, particularly where structural investigations and scanning were critical to maintaining schedule and reducing risk.

    Bennett Stableforth 
    Project Manager
    PCL Constructors Canada

  • I was very impressed with the level of professionalism that Xradar brought with their scanning and coring work.

    The scans are extremely detailed and easy to read. Combine that with written reports and included photos, and I certainly wouldn’t settle for anything less when dealing with post tension slab cutting and coring.

    Jason Hui
    Site Superintendent, 
    HALSE-MARTIN CONSTRUCTION Co. Ltd.

  • Over the past year, FWD Construction has partnered with Xradar on more than ten sites across Calgary. We consistently received exceptional service and relied on their incredibly accurate reports. The ability to receive reports quickly, often on the same day, is a crucial part of our process.

    Xradar is our preferred choice, particularly because of their specialization in post-tensioned cables. Their on-site scans are thorough, featuring clear, color-coded markings of all relevant details on the slab. Furthermore, their digital reports are a concise summary for our records.

    I highly recommend Xradar to others, especially for projects involving post-tensioned slabs, and I will certainly be utilizing their services for all our future needs.

    Stephen Chen
    Estimator, 
    FWD Construction

  • Executive Group Development was constructing an upscale, 11-story luxury hotel in the new  Exchange Tower in Vancouver in which the company was complying with the existing LEED Platinum standards and included dealing with both a heritage and a new post-tension structure.  

    Xradar performed their scanning and successfully cored over 600 holes through both old and new slabs with no negative impact and communicated with us every step of the  way in a professional manner

    Parb Rehal 
    Development Manager 
    Executive Group Development

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Related Resources

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  • Photo from creativecommons.org
    Blog

    The Importance of Detecting Post-Tension Cables Before Drilling

    When it comes to concrete construction, few hazards carry as much risk as post-tension (PT) cables. These high-strength steel tendons are designed to reinforce and stabilize slabs, and they are tensioned with tens of thousands of pounds of force. Striking one while drilling or coring is a costly mistake. 

  • Blog

    Xradar Concrete Coring Guide to Best Practices

    Concrete coring is a critical process in construction and infrastructure projects, allowing precise access to reinforced concrete structures for electrical, plumbing, and mechanical installations. 

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