A technician washing the inside wall of a water tank with a high pressure hose
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Water tank sterilization in Al Ukayshiyah Makkah

Al Ukayshiyah is a mixed-use district in southern Makkah near the Fourth Ring Road, containing old informal buildings and land under development alongside a pilgrim bus terminal. Tanks here are diverse: old in preserved buildings and new in emerging projects, with high humidity because the area is undergoing active excavation and development. Sterilization must handle a rapidly changing transitional environment.

  • 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 Ukayshiyah

Buildings here are mixed: old informal structures stand beside new residential projects, and tanks range from very old to brand new. The method is set out in full on Water tank sterilization in detail.

The first reason

Informal buildings and old tanks

Parts of Al Ukayshiyah contain old informal buildings with rusted tanks and failing pipes. Heavy sediment and thick layers make cleaning difficult and sterilization requires major effort.

The second reason

Development land and continuous dust

Extensive land is under active excavation and sewerage work. Dust and mud enter tanks during filling when construction is active. Humidity is high from groundwater and construction activity.

The third reason

Bus terminal and heavy usage

The pilgrim bus terminal inside the district demands very heavy water consumption. Tanks are used at high intensity and need frequent sterilization.

The character of Al Ukayshiyah

Mixed district: shops at street level with homes above them

The district is mixed between old buildings and development land. Tanks range from very old to new to heavy-use terminals. Sterilization must be flexible and handle a constantly changing environment between light and very heavy usage patterns.

Before treatment

What we read inside the tank before anything starts

A mixed-use district in southern Makkah near the Fourth Ring Road, below Al Kaakiyah and Al Shawqiyah, bordered by Souq Al Halaqa to the east and earmarked for industrial use to the south, with land under active development and sewerage works ongoing.

Fine wet sand seen close up

Sediment on the floor

Heavy sediment and mud from excavation and sewerage settle in the tank, especially in old buildings, needing strong suction.

A concrete wall carrying a damp green layer

The slime film on the wall

The thick living layer forms from dust, mud and microbes, requiring very high-pressure washing.

A plastic water tank standing on a rooftop

Light and heat

Mixed pipe networks: old and rusted in formal buildings, new in emerging projects, each section needs separate flushing.

A concrete surface carrying fine cracks

The lining and any cracking

Humidity is very high from excavation, sewerage and ongoing construction, increasing microbial activity in tanks.

A metal cover over a water tank opening

The lid and the openings

Tanks sit in locations exposed to excavation water and nearby building activity, with risk of shallow contamination.

A glass of water on a kitchen counter

What shows up at the tap

Water contains heavy particles causing cloudiness or colour, and sterilization alone may not be sufficient without additional filtration.

How we work

  1. 1

    Inspect and record the condition

    We open the hatch and work through what the tank is made of and how big it is, how deep the sediment lies, the state of the lining, whether the lid and the overflow seal, and whether there is a crack that has to be repaired before any sterilizing.

  2. 2

    Drain and lift the sediment out

    The water goes out, then the silt and sand are lifted off the floor by suction rather than pushed toward the outlet, because pushing them sends them into the house pipework and the heater.

  3. 3

    High pressure wash

    Walls, floor, corners and the area around the outlet, until the slime film is completely gone. This is the step that makes the sterilizing after it mean anything.

  4. 4

    Sterilize, rinse, then return to service

    The sterilizing agent goes onto the walls, the floor and the underside of the lid and is left for its contact time, then we rinse, refill and run the furthest tap until the whole line is clear.

What water tank sterilization includes

  • A technician inspecting with a flashlight

    A recorded inspection

    Material, capacity, sediment depth, the state of the lining, the lid and the overflow, all before any work begins.

  • A metal floor drain

    Draining and sediment removal

    The water out, and the silt and sand lifted off the floor instead of being pushed into the outlet and the house pipework.

  • A spray nozzle in close detail

    High pressure washing

    Walls, corners and around the outlet, until the biofilm that no disinfectant penetrates has gone.

  • A spray nozzle in close detail

    Sterilizing the internal surfaces

    A sterilizing agent meant for drinking water tanks, applied to the walls, the floor and the underside of the lid, and left for its contact time.

  • A clean kitchen counter after treatment

    Line flush and aftercare

    Rinse, refill and a flush from the furthest tap, when the water is usable again, and what to change in the filter afterwards.

  • The visit report being written on a clipboard

    The next cycle

    We agree the right interval for your tank from how it is filled, how much sun it takes and the condition of the lid.

What is different about Al Shawqiyah Sub-Municipality

Al Shawqiyah sub municipality runs south from the Third Ring Road to the city's edge on the Al Layth road and the Jeddah expressway. Planned districts such as Al Shawqiyah, Al Malik Fahd and Bathaa Quraish have wide streets, villas and apartment blocks, while schemes in Wali Al Ahd are being built out and informal housing in Al Ukayshiyah and Al Zuhur is being cleared. The vegetable market and livestock auction at Souq Al Halaqa, open construction sites, the rocky slopes of Jabal Thawr and sewers still being laid through the southern fringe offer exposed food, shelter and moisture.

Questions about this district

Why are tanks in Al Ukayshiyah so varied?

The district is under development with both old and new buildings. Old tanks are rusted and weak, new project tanks are clean.

Does dust from excavation and building enter the tank?

Yes, easily. Excavation, sewerage and building raise dust and moisture, and tanks become contaminated quickly.

Does the bus terminal need a separate tank or the same one?

A separate tank for heavy use is ideal. If the same tank serves both, sterilization must be more frequent because consumption is very high.

Does heavy water from excavation affect safety after sterilization?

Sterilization kills microbes, but heavy particles may need filtration. If water is cloudy, additional filtration may be needed.

How often does a tank serving the bus terminal need sterilization?

The bus terminal has very heavy consumption. Monthly or bimonthly sterilization helps if incoming water quality is poor.

Does future industrial development of the area change sterilization needs?

Yes. New industries may need separate tanks and larger water volumes. Sterilization may need adjustment based on industrial demand.

How much does water tank sterilization in Al Ukayshiyah 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 Ukayshiyah.

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We reach Al Ukayshiyah at a time we agree, and you get the full cost before we start.

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