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

Water tank cleaning in Al Firdaws Jeddah

Al Firdaws is a mixed district between Madinah Road and Prince Abdulmajeed Road where Prince Nayef Street runs through, bringing together villas and apartment blocks. Ground floor shops and upper residential floors share one tank, with shop water use during business hours and homes using water constantly. The tank must hold pressure for these two entirely different demand patterns.

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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 Firdaws

Tanks here serve both homes and businesses, making water consumption uneven and unpredictable. Villas may run low pressure while upper flats sit high, and shops can suddenly drain large volumes. The method is set out in full on how we approach Water tank cleaning.

The first reason

Shops, flats and villas fed from a single tank

The villa may consume water constantly for garden irrigation and fountains. Flats peak in the morning and evening. The shop demands water heavily at midday then none after closing. This diversity makes cleaning complex because tank pressure swings every hour.

The second reason

Upper floors suffer low pressure when shops draw water

The shop on the ground floor can siphon water fast, so upper flats lose pressure. Sediment can lift from the floor and cloud the water upstairs. Balancing the needs of different building levels remains very difficult.

The third reason

Villas need steady pressure for gardens and pools

Modern villas have fountains and irrigated gardens that require stable pressure. A shared tank may not maintain this pressure if flats and shops draw heavily at the same moment.

The character of Al Firdaws

Mixed district: shops at street level with homes above them

Shop and homes share the tank but their needs differ greatly. The shop may need steady flow pressure, the villa needs constant pressure for gardens, and the flats need clean water. Tank cleaning must respect these different demands.

Before treatment

The condition of the tank decides the method

An inland district between two main roads combining villas, apartments and diverse housing, with commercial shops on ground floors of mixed use buildings.

Fine brown sediment beneath shallow water

The layer on the floor

Sediment here accumulates from uneven demand cycles. The shop creates sudden pressure spikes and drops, which dislodge and resuspend floor sediment upward through the tank.

Light and algae

Algae can grow in the shop pipes if they sit closed and unused for long hours. Cleaning may require pipe removal and flushing to clear biofilm.

A damp concrete wall carrying a dark deposit

The deposit on the wall

Wall deposits may vary across different sections of the tank. The shop end may show thicker film due to heavier use and pressure surges.

A concrete surface with a fine hairline crack

The lining and hairline cracks

Hairline cracks are uncommon in newer tanks but repeated pressure swings can cause small leaks at connection points.

The lid of a water tank on a building roof

The lid and the access hatch

The lid is usually sealed but the maintenance hatch may be sited where it is hard to reach if it stands between villa and building.

A plastic pipe leaving the exterior wall of a building

The vent and the overflow pipe

The vent hole can admit dust from the shop or garden, and the overflow discharge can mix water from different tank levels.

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 Firdaws

Al Firdaws sits on Madinah Road and Prince Abdulmajeed Road with Prince Nayef Street running through it. We access tanks via the internal streets serving villas and mixed use buildings.

Madinah Road
Prince Abdulmajeed Road
Prince Nayef Street

Questions about this district

The flat on the third floor has weak pressure when the shop is open. Are they linked?

Yes, the shop can draw water heavily and reduce pressure. Upper flats feel this more than lower ones. Tank cleaning and pump inspection help, but a second pump or added tank may become necessary.

The flat tap runs cloudy but the villa tap runs clear. Why?

Different pressure levels can lift floor sediment to the flats while the villa draws cleaner water from higher in the tank. Tank cleaning is necessary, and we check the shared piping.

Do villas and flats need different cleaning schedules?

No, one tank has one cleaning schedule. But if the shop has higher hygiene needs, it might ask for more frequent cleaning than the residential sides.

The villa has an irrigated garden and a swimming pool. Do they increase sediment buildup?

Garden and pool do not add sediment directly to the tank. But heavy water draw can lift floor deposits. Regular cleaning is better than waiting for a long interval.

Does a tank shared by shop, villa and flats need larger capacity?

Capacity may be adequate but pressure may not equalise. If sediment builds quickly, frequent cleaning is better than buying a larger tank.

The shop closes and shuts off the tank after sunset. Does water in the flats go stale?

If shop valves isolate the tank, flats and villas draw from it alone. This leaves shop pipework stagnant. Full cleaning of shared pipes becomes necessary.

How much does water tank cleaning in Al Firdaws 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 Firdaws.