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The Twelve Days of Christmas With Hydro Cleansing | 2. Case Study NPL

“On the second day of Christmas,
my true love sent to me,
two feet of tree roots,
and Hydro Cleansing’s Mega-Heat…”

Continuing our twelve day countdown to Christmas, today’s blog is a nice juicy case study! However, this isn’t just any case study, this case study features blocked culverts, four foot long tree roots, over 50 TONNES of silt, and of course, an expert team of Hydro Cleansing engineers getting the job done. 

Back in the Summer we were called out to deal with some blocked culverts, syphons and silt traps by the NPL. On our arrival it was clear that there was something seriously big blocking the syphon under the railway, even our camera couldn’t travel underneath to get a clear picture. Upon further investigation the engineers discovered that the blockage was clusters of tree roots growing through the tunnels. Check out the full scope of works below!

blocked culvert case study christmas

Client – National Physical Laboratories | Kings River Outfall Desilting

Scope of Works – Desilting of culvert | Root cutting in syphon under railway | Desilting of silt traps

  1. The culvert in Normansfield Road had a high level of silt and elevated water level, the camera was then unable to return a picture of the internal condition of the pipe. We needed to remove this silt and reduce the flow during the survey, we then proposed to undertake this with a super combination unit taking one day to complete and resurvey.
  1. The syphon under the rail way had root ingress which prevented the passage of the camera, to remove this we needed to reduce the flow through the culvert and use high pressure root cutting with specialist root cutting nozzles suitable for large bore pipes. We took one day to complete and resurvey.
  1. The silt traps in five manholes needed de-silting, they contained an average of 1m of silt each. The silt traps are 2.5m in diameter which will yield approximately nine tonnes each. We took two days to complete.

case study blocked culvert and camera christmas

case study blocked culvert and roots christmas

Check out those roots! Job done!

The Twelve Days of Christmas With Hydro Cleansing | 1. Mega-Heat

“On the first day of Christmas,
my true love sent to me,
Hydro Cleansing’s Mega-Heat…”

The twelve day countdown to Christmas has officially begun, so to celebrate and boost our festive cheer, we will be posting on the blog EVERY DAY UNTIL CHRISTMAS! Each one of our posts will be specifically  focused around one of our services, starting with our very own Mega-Heat! So sit back, relax, and let the Hydro Cleansing Christmas content fest begin!

Put simply, Mega-Heat is a high pressure, high temperature  jetting service… however, if you dig a little deeper, you’ll see that it is so much more! It can reach temperatures of up to 105°C and jet at up to 3000psi. Worried about chemicals or damaging surfaces? Not with Mega-Heat! The power and heat that this impressive bit of kit combines make tackling oil spills, graffiti or dirty guttering fast and hassle free for our expert engineers, without having to use any abrasive or chemical products.

Mega-Heat is one of our key fleet members that we use to tackle a variety of problems around London and the South East. From blasting off chewing gum on the busy streets of our capital, to making industrial machinery sparkle, we offer unrivalled efficiency and manoeuvrability. This is in part thanks to our unique van mounting; usually a unit with these capabilities would be carried on the back of a trailer, or by a team. By custom mounting ours into the van, we are able to access and start work immediately. This cuts down response time, the number of vehicles needed and ultimately the time needed to complete the job.

Some of the jobs that Mega-Heat can be used for are:

Graffiti Removal
– Concrete Cleaning –
– Gutter Cleaning –
– Stone & Building Cleaning –
Oil, Fat & Grease Removal
– Floor Cleaning –
– Chewing Gum Removal –
– Paint Removal –

Check out what we achieved in Limehouse in two hours with one engineer using Mega-Heat…

mega-heat graffiti on wall beforemega-heat graffiti on wall after

Job done!

How To Fix a Blocked Sink | Hydro Cleansing’s Handy Guide.

blocked sink fixed

What to do when you have a blocked sink

First of all, don’t panic! It’s usually very simple to fix a blocked sink, and can be done without buying any expensive equipment or flooding your kitchen. Follow this easy guide to diagnose and fix the problem.

Remember to look after yourself and your property

– Rubber gloves protect your hands while dealing with domestic blockages

– You can cover the bathroom or kitchen area with plastic covering if you are worried about damaging the surfaces

– We advise having a couple of strong bin liners with you as it may be necessary to dispose of waste

Small blockages

– Start off by pouring boiling water directly down the blocked sink. Two full kettles should be enough to move any stubborn organic matter

– If boiling water doesn’t do the trick pour down half a box of baking soda then pour down a mug of vinegar, swiftly followed by the plug stopper or old rags

– Wait at least 30 minutes and then pour down another kettle of boiling water

Larger blockages

– If the vinegar and baking soda volcano didn’t shift your sink blockage, it might be time to introduce the plunger

– Fill the sink or bath with a little water (enough to fully cover the drain)

– If there is an overflow, plug it up with rags or a tea towel

– Wet the plunger and place over the drain

– Ensure you have a firm seal and use sharp fast plunges to remove the clog

– Remove the plunger and the blockage should flow away, if it does not then repeat.

– If you still have a blocked sink, this indicates that the problem is further down the pipe and will need an engineer to come out and investigate

 Who is liable for the blocked drain?

Liability for drainage issues can be a minefield. It can be the responsibility of:

– Your local council

– The water board

– Housing association

– Property owner

– Letting agent

– The tenant

If you are renting, contact your landlord or letting agent before calling out an engineer. If you are unsure who’s responsibility it is, call our team and they will contact local authorities on your behalf and arrange works.

Ways to prevent blocked sinks:

– Avoid putting any solids down your sink; even a cotton bud will get wrapped in wipes and cause a blockage somewhere

– Using a plug strainer is a cheap and easy way to prevent a build up of kitchen waste in your pipes

– Using drain cleaner or the baking soda and vinegar mix once a month will help to keep your pipes free from blockages

– Never ever pour fat or grease down the sink. This is sure fire way to block your drainage system

 What to do if the blockage does not go away:

Give us a call! Our skilled engineers are available 24/7 so can attend a job at any time to assess the problem and provide a solution quickly.

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