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Posts Tagged ‘patch repairs’

Drain Relining And Drain Pipe Re-rounding Service


Posted on: January 14th, 2014

Drain relining is a cost effective alternative to traditional drain repairs and one major benefit is the lack of mess it creates. At Scanprobe, our non-intrusive, no-dig technology will ensure your drains are back to perfect working condition quickly, and that they remain free flowing.

 

The drain relining method

A flexible liner impregnated with resin is pushed through the drain while an air bag is also pushed through to mould the resin to the pipe. The liner is heated, and once cooled will mould exactly to the sides of the original pipe. Once the air bag is removed, it leaves behind a smooth new pipe inside the original that is in fact stronger than the original.

 

Drain pipe re-rounding

This is a method of winching a specialist re-rounding tool through the pipe to reform it to its original shape enabling the pipe to be re-lined. Scanprobe offer a pipe re-rounding service to pitch fibre drains together with hydraulic pipe bursting and directional drilling. A lead bullet is pulled through the collapsed drain which re-opens the pipe allowing the liner to be put in place. When the liner has cured, the result is a drain once again in perfect working order.

 

Localised patch repairs

Typically used in areas where traditional excavation is difficult or with awkward access, localised patch repairs are a fast, cost efficient method of repairing blistered pitch fibre or crushed pipework in diameters of 100m to 450m and to a length of usually 100m. Repair work can include re-forming the pipe if necessary and then installing the patch liner.

 

Water Authority Standards

We will provide an extensive in-depth quotation before undertaking any sewer or drain repair works, which can be shown to insurance companies if required. We use the most modern and current sewer renovation methods to ensure all our work is carried out to Water Authority Standards. One of our engineers will be able to perform a site survey prior to quotation, and will explain the necessary steps required for the repair.

 

Drain relining benefits include:

  • No-dig or excavation of surfaces
  • Minimum disruption and down time
  • Suitable for drain/ pipe diameter ranges 100 to 1200mm
  • Suitable for handling bends and offset joints
    • Increased flow rates
  • Various types of pipe material can be renovated
    • Tree root infestation prevention
  • Lining systems available for runs containing diameter changes
  • Runs of up to 100 metres relined in one continuous length
  • Renovation and reline works are covered by our Company guarantee

 

Scanprobe Drain Repairs

Scanprobe Drain Repairs



Patch Repairs On Defective Pipes & Drains


Posted on: December 16th, 2013

When it comes to patch repairs on faulty pipes and drains we recommend the Renopatch kit from Renoline which comes packaged in a small disposable box and includes everything you require to carry out a successful pipe patch repair. The kit includes plastic protective packer sleeves, two pairs of latex gloves, a resin spreader, elastic bands and wire cable ties, fibre glass matting, ready to pour resin and a ground sheet.

 

Renopatch pipe patch repair kit

Renopatch pipe patch repair kit

Cut flush the cable ties

Cut flush the cable ties

 

Before starting the patch repair ensure that the pipe has been surveyed and is clear of any debris and obstructions. When ready to apply the Renopatch patch repair kit locate the defect with a CCTV drain camera and make a note the distance in order to carry out the patch repair. The next step is to feed the protective sleeve over the packer and secure both ends with the cable ties provided in the Renopatch kit and with a pair of snips cut flush the cable ties.

 

 

 

Spread the resin over the matting

Spread the resin over the matting

Using a sharp knife make a small hole in each end of the protective sleeve in order to allow air to escape when the packer is being inflated. Next, lay out the protective ground sheet and open up the fibre glass matting making sure the shiny side is facing upwards. Open up the resin containers and pour the thinner resin into the ticker resin container then replace the top securely and shake the container with the resin mixture vigorously for 30 seconds. The resin is now activated so pour the resin solution over the fibre glass matting and spread evenly using the spreader provided to the edges of the matting. (Due the the cross axle design of the matting in the Renopatch kit you only need to resin out the shiny side saving time and avoiding mess).

 

Roll the packer onto the matting

Roll the packer onto the matting

 

When the resin is spread simply fold each side into the middle of the matting, then take the packer and place in the middle of the matting, roll the packer onto the matting making sure the matting is centralised – the elastic bands or wire included in the kit can be used to secure the ends.

 

 

 

 

 

patch is central and covering the defect

Patch is central and covering the defect

Slightly inflate the packer before inserting into the pipe, this will ensure any slackness is taken up, and connect the air hose into the packer and secure with the locking nut. Connect the rod to the packer and secure. Under the supervision of a drain camera insert the Renopatch into the pipe and push (or pull) the packer down to the pipe defect making sure that the patch is central and covering the defect.

 

 

 

 

Connect up the hoses to the compressor

Connect up the hoses to the compressor

Connect one end of the short air hose to the compressor and connect the other end of the short air hose to the regulator valve then connect the regulator to the long air hose which is already connected directly to the packer. Turn on the compressor and inflate to 2.5 bar. The regulator valve has a safety blow off release which means you can never over inflate the packer – on unstable pipework we would recommend inflating to a lower pressure.

 

 

 

Remove the packer

Remove the packer

Once the patch is cured simply twist the air release valve and deflate the packer and the packer should just slide out of the patch. Renoline supplies two different curing times for the Renopatch kit being half an hour and an hour and a half.

 

 

 

 

 

 

 

The following video shows step by step the process for applying a Renopatch patch repair.

 

We believe the Renopatch patch repair kit is the most user friendly pipe repair kit on the market and once you have tried it you will not want to use any other system. For more information and details of how to order please visit the Renoline website.

 

 



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Registered office: 99-105 Stanstead Road, London SE23 1HH

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