What Makes Bellevue Hill Drains Vulnerable
Bellevue Hill has a population of approximately 10,500 people that occupies an area of 2.4 square kilometres. It possesses 11 parks, full-grown tree canopy in practically every street, and the housing stock is mostly constructed in 1910-1930. Such a mix forms a drainage scenario that is even unusual by Eastern Suburbs standards.
The Tree Canopy Problem, Beautiful Above, Destructive Below
Governor Macquarie called this suburb, formerly called Vinegar Hill, Bellevue Hill, because of its beautiful view, and those views boast some of the most beautiful and ancient tree-lined streets in Sydney. Yet all those great trees on maturity stretch out a root network 10 to 20 metres in all directions, and are busily seeking moisture. Hundreds of metres in any direction, the water source of the underground sewer and stormwater pipes beneath Bellevue Hill homes is the richest.
The roots do not require a lot of a hole. It is sufficient to have a hairline crack at a joint of the pipe laid 80 to 100 years ago that is perfectly normal in terracotta. After going inside, the roots grow to dense mats which trap waste and reduce the pipe diameter to a point that can hardly allow water to go through. The issue is exacerbated during dry periods when trees strain to get whatever they can find in terms of moisture. That is why the Bellevue Hill clogged drains would be at their worst at the end of summer and fall, when the trees are the most stressed.
Cooper Park, A Drainage Neighbour That Matters
Cooper Park is a 38-acre bushland reserve which cuts across a gully between Manning road up to Victoria road. It is a fantastic property of Bellevue Hill, walking paths, creek, tennis courts, picnic spots. The mature eucalypts, brush box and understorey vegetation in the park, however, spread their root systems far beyond the park boundaries, into the pipe runs of the surrounding residential properties along Victoria Road, Kambala Road and the streets leading to the backs of the gully.
The park also contributes largely to leaf litter, bark and organic debris that is washed into surrounding storm water drains during rainfall. The situation around Cooper Park presents a twofold issue of root intrusion into the sewer pipes of property by the vegetation in the park, and the stormwater drains which block more quickly than the rest of the suburb due to the sheer amount of organic material entering the drainage system.
Housing Built 1910-1930, Pipes to Match
The bulk of Bellevue Hill's residential development happened in the decades after the tramline opened in 1909. It implies that the majority of the original sewer and stormwater systems were terracotta pipe which was installed in one-metre lengths with cement-mortared connections, as was the standard of the time. Those joints are now loose after 80 years or 100 years in the ground, the cement is worn away, the hard terracotta is fractured under the influence of the soil and movement of the ground. All the joints have become possible root entry points and structural weak points where a collapse can occur.
Most houses are greatly renovated above ground, new kitchens, bathrooms, landscaping, and the original drainage under the property has not been disturbed since it was installed. The plumbing below is not usually as good as the stuff that has been constructed above it.
The Numbers
It is estimated that Sydney Water spends approximately 20,000 blockages in the wastewater network annually at an approximate cost of 27 million dollars to clear these blockages throughout the Greater Sydney network. The most common causes in the public network are fat, wet wipes, and non-flushable items. Your sewer lateral, your internal drains, tree root intrusion prevails on the private property side, in suburbs with older infrastructure. Postcodes that are regularly affected in the Eastern Suburbs are Bellevue Hill, Woollahra, Double Bay, and Rose Bay.
There are 4 reasons that underlie most Bellevue Hill Drain Jobs
Tree Root Infiltration
Figs, camphor laurels, liquidambars, jacarandas and the native eucalypts are all known to push roots into the joints of the pipes that are cracked. The roots go deeper and farther during dry spells. Jetting, prevents the immediate obstruction; relining prevents its recurrence.
Deteriorating Terracotta Pipes
The 1-metre blocks were cemented together with mortar, which was the norm between 1910 and 1960s. These joints do not work after decades of ground movement and root pressure. Cracks become gaps. Gaps become collapses. These pipes are still present under most Bellevue Hill homes.
Kitchen Grease and Fat Build-Up
The oil that is used in cooking cools and hardens in pipes, coating them one monthly until the bore is reduced to only a fraction of the original pipe size. It causes the most blockages in kitchen drains, and it can be totally avoided through simple habits.
Storm water Overload on Sloping Ground
Bellevue Hill is located on a hill (the hint is in the name). Rapidly down the rains flow. Homes at the bottom of the slope, towards Cooper Park, Double Bay and Rose Bay, have the greatest load of stormwater. Even moderate rainfall can lead to backwash and surface flooding of the drains even when they are partially blocked with silt and leaf litter.
6 Symptoms of a blocked drain
A clogged drain is accumulated. These indications come out before the system collapses entirely and early detection implies a less complex and less expensive maintenance.
Slow-Draining Water
Showering or bathing in a pool which empties slowly than usual. There is something blocking the downstream flow.
Gurgling Sounds
Fixtures are pushed back by air trapped behind a partial blockage. The louder it becomes the worse the blockage.
Bad Smell around the Drains.
Stagnant wastewater caught behind the blockage emission of hydrogen sulphide gas. The odour of rotten eggs is unmistakable.
Cross-Fixture Backup
Flush and the shower drain gurgles, or vice versa. This is an indication of a blockage in the principal sewer.
Gully Trap Overflowing
Outdoor relief gully is overcharging. This implies that the downstream pressure has accumulated such that the system is discharging via the safety valve.
Green Patches on the lawn
One part of your garden suspiciously green? An underground pipe, which is leaking, supplies moisture and nutrients directly to the soil above the pipe.
How we tackle Blocked Drains in Bellevue Hill
Get the obstruction out, get to know the cause of it, and provide you with a good solution, not a band-aid that will restore us to life six months later.
Talk and Target
We enquire what drains have the problem, when it began and how frequent it is. This informs us of the place to begin and what to carry.
CCTV Camera Inspection
A waterproof camera is inserted in the pipe. You are able to see the footage in real time, the blockage, its cause and the state of the pipe. No guesswork involved.
Clear the Blockage
Jetting of up to 5,000 PSI of water to cut through grease, silt, and roots. Or machine cutting heads to larger root masses. Jetting cleans the pipe wall and not only the point of obstruction.
Post-Clear Check
Camera is returned to verify that the blockage is totally removed and evaluate structural pipe condition. In case we discover cracks, displacement or cracks on roots, we record the information and clarify what it means.
Permanent Fix As Required
In the case of structurally defective pipes, pipe relining involves lining the inside of the existing pipe, which forms a smooth, root-proof surface free of joints. No digging along your Bellevue Hill garden. The majority of the relining jobs are done in one day.
How much Drain Work is blocked in Bellevue Hill?
Pre-work fixed quotes that are given before work. No call-out fee. No hidden charges. The following are the normal ranges.
| Service | Usual Extent | Included |
|---|---|---|
| Simple drain clearing | $120 - 250 | One clogged drain. Electric eel. Appropriate in small, shallow obstructions. |
| High-pressure jetting | $300 - 600 | Full-pipe jetting of grease, silt, roots. Removes all the pipe. |
| CCTV drain survey | $200 - 400 | Camera survey with recorded footage and condition report. |
| Tree root removal + jetting | $350 - 800 | Jetting and mechanical cutting of root mass. Price depends on root density. |
| Pipe relining / m (3) | $500 - 1200 | Trenchless repair. No digging. Warranty on products up to 50 years. |
| After-hours callout emergency | Starting at $250 | Priority response during out-of-business hours. Initial assessment and clearing included. |
All prices are indicative, including GST. Your quoted price is final.
Actionable Advice on how to maintain your Bellevue Hill Drains
Stop Pouring Oil Down the sink
Allow cooking oils to cool and put them in a container and bin them. Even small amounts form solid in pipes and form the sticky layer on which everything is trapped. The one change that would make the biggest impact in the kitchen.
Trace Your Trees by Your Pipes.
Obtain a sewerage service diagram at the Tap in ® online portal at Sydney Water. When full-grown trees are located within 6 metres of your sewer line, as is the case in Bellevue Hill, root growth is identified with annual CCTV surveys before it becomes completely blocked.
Install Drain Strainers
Mesh screens on top of shower, bath and laundry drains prevent the entry of hair, soap and debris into the pipe system. A few dollars will save hundreds of plumber callouts.
Only Flush Toilet Paper
Even those labeled as flushable, wet wipes do not dissolve in pipes. They get caught up in roots, hook on the jagged transitions of pipes, and hasten obstructions. In the bin should be cotton buds, sanitary items and tissues.
Obvious Stormwater Grates Pre-Storm Season
The canopy of the trees at Bellevue Hill sheds huge amounts of leaf litter all through the year. Pre-autumn/pre-winter inspection of your stormwater grates and pits takes five minutes, and helps eliminate surface debris, which can cause a flood the next time it rains.
Bypass the Chemical Drain Cleaners
The terracotta and earthenware are eaten away internally by caustic chemicals. They hasten the corrosion in the 80-100-year-old pipes of Bellevue Hill, and frequently compound the cause of the blockage, which is intended to be dissolved, with the cause of its own.
Your Drains vs Sydney Water’s
Your Responsibility, Your Property
Yours are drains serving solely your premises, internal plumbing, and internal sewer lateral to the boundary, gully tap. This covers obstructions by tree roots in your own pipes, whether it is on your property or a neighbouring property.
Sydney Water's Network
When sewage is spilling out of a manhole or footpath in the street, or a similar situation occurs with several neighbours at the same time, it is normally in the main of Sydney Water. Call their 24/7 faults line on 13 20 90. In the event that the Sydney water has authorised your plumber to investigate their pipes, you can also be reimbursed the costs.
This is what we assist Bellevue Hill customers in working out on the spot. In case the blockage is on the side of Sydney Water we will inform you and we will not ask you to pay us to do certain work which is not yours.
Frequently Asked Questions Blocked Drains Bellevue Hill
Bellevue Hill and Eastern Suburbs
We clear drains in Bellevue hill and all the surrounding suburbs, blockages, inspections, removal of roots and relining.
Blocked Drain in Bellevue Hill? Let's Get It Sorted.
Same-day service. No trenching unless necessary. Upfront pricing. A single call and your drains will be running smoothly.
Or book at plumber.sydney.
