CCTV Inspection Services

Underground Sewer In-line Crawler

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The CCTV is an in-line crawler that packs one heavy punch when it comes to inspections of pipes 6” – 96” in diameter. With its 360˚ pan & tilt and zero degree turning ability, it offers the maximum visibility and adaptability that is necessary for this line of work.

The CCTV can travel 1,000LF from its insertion point and can track pipe grade, monitor temperature/pressure with its onboard sensors, and relays real time video back to a remote screen operated by our NASSCO certified project manager. The crawler camera captures superior video resolution and can illuminate targets with bright LED lights or an auxiliary lamp for larger pipelines that requires more lighting. The video is carefully studied and recorded by our project manager which can be downloaded by the customer via usb or media network.

The in-line crawler has a steerable 6-wheel drive giving our project manager the agility to navigate past obstacles that may stop others. The crawler is able to switch out wheel types and has a detachable lift that allows it to handle any combination of pipe size (6”-96”), material, and condition. The overlapping 6-wheel drive makes it the best option for climbing over offsets and debris that we might find while exploring. Our crawler also has onboard lasers that can be used to measure defects and ovality within the pipe.

This Nationwide service comes with NASSCO certification and is available to anyone who requests it.

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Case Studies

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Buckley School Storm Sewer Locate And Video

GPRS was contacted by a local contractor in Southern California that had a problem that needed solving. They had a project at the Buckley School in Sherman Oaks, and they needed to determine where the main storm sewer line was running along with the location of any taps in the work area(s). This might seem like a pretty simple project, however, the storm sewer pipe is a 51 inch RCP (Reinforced Concrete Pipe) and it is roughly 20-25 feet deep.

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Residential CCTV Pre And Post Inspections

Many cities and counties around the US have started requiring pre and post inspections of storm and sanitary sewer lines if any work is taking place near those utilities. GPRS was called out to a residential build, where a swimming pool was being constructed near the city sanitary sewer line. The purpose for the pre and post inspections is to determine if there was any change in the pipe condition before and after the construction takes place.

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