A technician washing the inside wall of a water tank with a pressure hose

Water tank cleaning in Al Rahmaniyah Jeddah

Al Rahmaniyah is a recently developed district in north Jeddah between Al Falah and Al Furusiyah, with new villas and apartments spread along Al Furusiyah Street. The district is filling quickly and development is ongoing, so tanks are new but the underground water infrastructure has not yet fully settled. Water carries dust from open roads and building sites, and tanks fill from varying sources, which creates water quality problems.

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Potable-rated materials

Linings and disinfectants cleared for drinking water tanks, not general-purpose products.
You get the downtime first

How many hours the tank is out of service, told before we start rather than after we finish.
A first-draw flush

We run the first draw off after refilling, and the tank is not handed back until the water runs clear.
Ground and roof tanks

Villas, apartment blocks and premises that need a written record of each visit.

Why the job is different in Al Rahmaniyah

Al Rahmaniyah tanks need early cleaning after construction because the first water that fills them carries heavy construction dust from roads and building sites. The method is set out in full on what Water tank cleaning involves.

The first reason

Open roads and ongoing construction dust entry

Al Rahmaniyah is growing quickly and work continues in many places. Open roads and active building sites throw dust into the air, and new villas and apartments fill their tanks with dusty water from these sites.

The second reason

New network lines and commissioning debris

New water supply pipes may not have been flushed properly at startup, and new valves and joints shed rust flakes and internal debris from the new pipe walls. The first water pumped through carries all of this.

The third reason

Variable water quality from different supply sources

Al Rahmaniyah may receive water from different sources depending on network pressure and demand hours. A change in water source means a change in the sediment and contaminant profile in the tank.

Al Rahmaniyah on the map

Al Rahmaniyah sits about 3 km from Al Falah and about 3 km from Al Furusiyah.

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Before treatment

The condition of the tank decides the method

A rapidly developing residential area with open roads, newly laid utilities and active building sites, where the water supply network has not yet reached its final stable state.

Fine brown sediment beneath shallow water

The layer on the floor

Floor sediment is construction dust, road grit and sand from the new storage tanks that first filled the network at startup.

Light and algae

Algae is rare in new tanks because dust blocks the light, but may grow later once the water clears.

A damp concrete wall carrying a dark deposit

The deposit on the wall

A light grey film of cement and fine sand coats the walls, especially in the first weeks after filling.

A concrete surface with a fine hairline crack

The lining and hairline cracks

New concrete linings have not cracked yet, but may develop hairline cracks from rapid drying and thermal stress in the heat.

The lid of a water tank on a building roof

The lid and the access hatch

Lids and openings are new and intact, but maintenance seals may be weak or poorly sealed at this stage.

A plastic pipe leaving the exterior wall of a building

The vent and the overflow pipe

Vent openings are clean but may clog quickly from dust and debris from surrounding roads and building sites.

How we work

1
Inspect before the drain

Tank type and material, the condition of the lining, the depth of the sediment, the lid and the vent, and where the drained water will go. We agree the window without supply before anything is opened.
2
Drain, then lift the sludge

The water leaves through the outlet, then the layer beneath it is taken out by hand and by suction. That layer is the reason for the visit, not the water that ran out ahead of it.
3
High pressure wash

Walls, floor and the joint where they meet, with a brush wherever the film resists, then the wash water is taken out completely so nothing we lifted settles again.
4
Disinfect and put back in service

Disinfectant over every internal surface, left for its contact time and then rinsed out, followed by the refill, a first draw off at the taps, and a report on what was inside the tank.

What water tank cleaning includes

An inspection before the valve

Tank type, lining condition, depth of sediment, lid and vent, recorded before any water leaves.
Full drain and sediment removal

The water through the outlet, and the layer below it by hand and by suction until the floor itself is showing.
Pressure washing walls and floor

High pressure across the surfaces and corners, and a brush on anything water alone will not lift.
Disinfection after the wash

A disinfectant intended for drinking water tanks, named to you before it is used, left for its contact time and then rinsed out.
Refill and the first draw off

We refill, run the taps so the new water moves through the pipework, and tell you when it is ready to use.
A report and the next date

What was inside the tank, anything on the lid or the lining that needs repair, and a sensible date for the next clean.

Landmarks of Al Rahmaniyah

Al Rahmaniyah tanks sit on villa and apartment rooftops spread across Al Furusiyah Street and near Bilal bin Rabah Mosque. Access is via Al Furusiyah Street, the main north south axis through the district.

Al Furusiyah Street
Bilal bin Rabah Mosque
Al Khair Mosque
Masharef Centre
Al Marwah Secondary School
Al Majid Primary Health Care Centre

Questions about this district

We filled the new villa tank for the first time and the water is very cloudy. Is that normal?

New supply network water carries dust from building sites and open roads. Clean the tank immediately after first filling, before connecting water to the house.

The district is new and the water cuts out sometimes. Is it the tank or the network?

New networks often have pressure and balancing problems. A tank inspection will show whether the problem is sediment or the network itself.

The water runs cloudy sometimes and clear at other times depending on the hour. Why?

New networks may draw from different sources. A source change brings different sediment types. Wait for the network to stabilise, then clean the tank.

The new apartment, and water from the first tap run nearly black. What should we do?

New network pipes have not been flushed after installation. Ask the water company to flush the mains, or clean the tank after the first fill.

The district has both villas and apartments mixed together. Are shared apartment tanks different from villa tanks?

Apartments may share one small tank while villas have separate tanks. Differences in tank size and user count affect water quality.

Al Furusiyah Street has open excavations still. Do they affect the water?

Open excavations throw dust into the air that enters tank vents. Regular cleaning is necessary until the excavations close and the roads are finished.

How much does water tank cleaning in Al Rahmaniyah cost?

It is set after the inspection, because the price follows the type of infestation, the size of the space, how far it has spread and the number of visits it needs. Send a photo and a description on WhatsApp and we will give you an estimate before we reach Al Rahmaniyah.