» Pipe Relining
Sydney's Trenchless No-Dig Pipe Relining Experts
Are you fed up with blocked drains and sewer lines? Stop putting your hard earned money down the drain for a quick fix and get it fixed permanently by the best Sydney sewer and drain relining Plumbers in the industry!
DRAINS R US
Trenchless No-Dig Relining Systems
the industry leader in application and development of pipe restoration technology provides services in Sydney. Our Cured In Place Pipe (CIPP) restoration technology restores failing sewer and storm water piping systems.
Over time, drain pipes deteriorate, become affected by tree roots and accumulate foreign objects causing blocked drains. That’s why early on, it’s important to get the help of the professionals.
We are a family owned and operated business with over 50 years experience in the drainage rehabilitation business. Our revolutionary pipe relining process repairs and restores leaking, damaged, tree root affected underground drainage lines from the inside. Being able to permanently restore underground drainage lines from the inside negates the need for destructive trenching methods typically used when carrying out traditional excavation processes.
Although pipe relining will never totally replace drainage excavation and replacement of old, damaged drainage lines, trenchless pipe relining processes will continue to be developed into the future and play an important role in the Plumbing and Draining business.
The Problem - Tree root intrusions & damaged pipes
Root intrusion causing blocked drains in sewer and storm water drains is probably the most destructive problem a homeowner can have. Many different types of trees can be very aggressive when looking for nourishment. These trees have root systems that grow out in search of water and rich soils. Unfortunately for homeowners, they are attracted to the moisture that forms on the crown of the clay sewer pipe. This type of pipe, also known as terra cotta or vitreous clay pipe was used for many years in all sewers up until the early 1980’s.
The moisture develops on the crown of the sewer pipe by condensation. As warm air passes through the cold pipe, condensation from the surrounding soil forms on the outside of the pipe in droplets. These droplets of water attract the roots. Another contributing factor is that the soils have been loosened by excavation when the sewer was installed which makes rapid root growth even more possible. Once roots find this bed of loose soil, which is the trench line, they travel along the pipe within it in search of more nourishment. Eventually the microscopic root growth finds its way into the seams between two pieces of pipe and continue to grow until they completely block the pipe. These seams are called joints.
The intrusion of root in the pipe joints is typically when the trouble begins. As the roots grow, cell by cell, they get bigger and hang down inside the pipe like a veil or curtain. This enables the roots to act as a filter for passing solids. The newly formed bunch of roots extracts minerals from both the water and the solids they entrap.
The root problem can become more complicated over time if not controlled. As pipes become obstructed by these bunches of roots and debris, the clay pipeline begins to hold water. Clay pipe was installed largely in 2-foot (600mm) lengths and the joints were sealed with mortar or cement. This type of construction did not create a watertight seal. As time passed the cement would break down and fall out of the joints aided by the pressure of the ever-growing roots and eventually the sewer leaks at the joints. The water escaping from the joints soften the soils that the pipe rests on and the pipe begins to settle. This settling can cause slumps or bellies in the pipe that further impede the flow of the water and solids within. They also cause more water to leak from the pipeline joints. More water of course will cause the soil to become saturated until the water flows along the trench line and washes away the soil under the
pipe contributing to its eventual collapse.
Another dynamic occurs when the roots obstruct the flow of water. It causes the roots down stream to grow more aggressively because they are not getting any nutrients. Aggressive root growth downstream usually causes the pipeline to become so impacted with root mass that it resembles a potted plant which has outgrown its pot.
Additionally root growth exudes unusual pressures between the joints of the pipe and laterally on the pipe which in turn causes the clay pipe to crack and invites further tree root intrusion.
Cutting and controlling roots in a sewer is very important and can be very costly. Many plumbers will simply clear a pipe every so often, perhaps once a year or so. Some will run an Electric Eel through the roots and when the water goes down tell you your problem is solved until the roots grow back. This is, in most cases, not true. Roots hang down like a curtain, as previously mentioned. When the Electric Eel passes through them they tend to open like a trap door and then close again when the snake is removed. The process of collecting solids begins anew almost immediately.
More diligent plumbers will run cutters through to clear out the bulk of the obstruction. This is an effective method but also has drawbacks. If the pipe work is displaced or badly damaged a full size root cutter will not negotiate the pipe and therefore leaving a great deal of root mass behind inside the pipe. These roots that are left will begin to relax and fill in the newly created void in as little as a day or two. Moreover, new growth will begin where the roots have been cut in about 6 weeks.
High pressure water jetting is the latest technology for cutting and removing tree roots from drains and used properly in conjunction with a CCTV drain camera will in most cases remove the majority of root mass from within the pipe. In any case, regrowth in roots occurs much like regrowth of pruned hedges,
i.e., where one was cut several more sprout. Thus the roots which were cut away become thicker when they grow back.
Simply cutting away roots is always only a temporary solution to your problem and additional measures should be undertaken to prevent further damage.
What is the solution?
The best solution for root intrusion problems is to renew the affected section of pipe or rehabilitate the pipeline with a pipe liner or "Cured In Place Pipe" process. The liner or CIPP will seal off the roots permanently and renew your pipes structural integrity.
Cured in place materials mould to the host pipe. This seamless pipe prevents infiltration and exfiltration, restores structural integrity and eliminates joints that can weaken and allow root intrusion. Cured in place pipe actually increases flow capacity because the newly lined pipe is much smoother than old clay, cast iron and concrete pipe. Above ground there are no large piles of excavated dirt, no traffic tie-ups, no subcontractors and a happy customer.
We have the experience and technical knowledge to specify the right liner thickness and right resins to meet your specific needs regardless how deep the pipe or how corrosive the environment.
Our pipe relining process is truly “Trenchless” technology saving thousands of dollars in landscaping and restoration costs. This seamless installation eliminates joints, increases flow and conforms to non-standard pipe shape and size. The new liner moulds to the host pipe, stops leaks and root intrusion, and can span “void” pipe sections and can be installed under slab concrete. The structural strength of the host pipe is enhanced with the new liner however our lining product will stand on its own making it a truly stand-alone pipe.
This trenchless drain lining system gives you a cost effective alternative to traditional dig methods of pipe replacement but still offers the structural strength of new pipe. Our system allows our technicians to replace underground pipe without disturbing any surface structures such as driveways, landscaping, porches, pathways, floors, electrical and gas lines, retaining walls and car parks. This means you save time and money because there is no surface restoration needed.
What can be repaired?
Line any host pipe | Earthenware, PVC, Cast Iron, Concrete, Copper | Broken lines | Cracked lines | Bends of any radius | Miss-aligned pipes | ‘P’ Traps | Produce pipe where there is no pipe | Voids (sections with pipe completely missing) | Pin holes | Poor flow characteristics | Downpipes | Vertical, horizontal or sloped pipe | Custom made pipe sizes | Ability to cure under water | Electrical conduits.
What are the advantages?
Hydraulic Capacity – Improved water flow, due to perfectly smooth surface.
Longevity – Relined pipes protect from future corrosion or pinhole leaks indefinitely.
Displacement – The new liner “locks” the host pipe in place to prevent further movement.
Failed joints – Lined pipes have no joints. Leaking displaced and tree root affected joints become a thing of the past.
Cracks, Breaks and Voids – Our system does not rely on the structural integrity of the host pipe. Its self supporting.
Corrosion – Total arrest of internal corrosion in pipes.
Resistance – To loads arising from leaking seals, pinholes, gaps between pipes, and perforations.
Maintenance – Our liner creates a permanent protective shield between water contact and the internal area of pipe.
Structure – Increased structural integrity.
Infiltration & Exfiltration – Permanently fixed.
Surface restoration – Our system is completely “Trenchless” leaving valuable surface structures intact.
Non-disruptive – With no major excavation required business and personal life can continue uninterrupted.
Timing – Repairs can be carried out in a fraction of the time compared to traditional excavation and renewal methods.
Pipe relining process explained
The following picture shows a 100mm diameter earthenware sewer line affected by tree root intrusions. In this example tree roots are making their way into the pipe via cracks in the old cement mortar used to seal the joint between two pipes.
Prior to relining, the host pipe needs to be prepped and cleaned to remove all tree roots and debris. This is carried out with high pressure water jetting equipment using hydraulic root cutting and cleaning nozzles and / or mechanical pipe cleaning equipment such as an electric eel. The section of pipe to be relined is then inspected with a CCTV drain camera to check that it has been thoroughly cleaned and to also measure the inside of the section of pipe for accurate liner length and resin quantities to be used.
In this picture we see the newly manufactured resin impregnated liner and delivery system installed and laying on the bottom of the host pipe ready to be inflated. It only takes a few minutes to inflate the resin impregnated liner and once in place and depending on the ambient air temperature the liner and resin will take approximately 3 - 5 hours to cure.
After the resin and liner has cured the delivery system is removed from the pipe to leave behind a smooth, continuous durable liner which is seamless, joint-less and much stronger than a traditional PVC pipe. Another CCTV drain camera inspection is carried out to document the new work and the service is ready to use immediately.
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