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Storm-drain network design

Storm-water drainage

A designed drain network that keeps your property dry

Correct gradient, correct outlet positions, correct pipe sizing, so rain water moves away from foundations and paved surfaces without pooling

  • 24-hour emergency
  • Camera first, every job
  • Leak detection without breaking
  • All six governorates

What the design covers

From the first site reading to a complete, construction-ready storm-drain layout

Site level survey

Ground elevation readings confirm the natural direction water will travel

Pipe sizing

Expected flow volume determines the correct pipe diameter for each run

Gully placement

Gullies are positioned so no low point is left without an outlet

Inspection chambers

Chambers placed at every direction change to allow future maintenance

Line gradient design

Adequate slope prevents sand settlement and keeps flow gravity-driven

Outfall point

Final discharge point set away from foundations, fencing and neighbouring plots

How the job runs

01

Initial contact

Call or WhatsApp to describe the site and project type

02

Site survey

Visit to measure levels and identify pooling points and drainage routes

03

Design drawing

Network layout drawn with pipe sizes, gradients and chamber positions

04

Installation

Excavation, pipe laying and backfill strictly follow the approved drawing

05

Check and handover

Live water flow test through every line before the site is closed

From the inspection camera

The same line, before and after

Drag the divider and see the difference.

The inside of a pipe coated in build up before clearing The inside of the same pipe, clean after clearing Before clearing After clearing

Every job starts with a recording and ends with one. The footage is kept and sent to you.

Materials and methods used in the design

Double-wall HDPE pipe

Withstands soil load and traffic weight above without deforming or collapsing

Sand-trap gullies

Trap fine sand before it enters the line, reducing blockages and future maintenance calls

Digital level checking

Accurate readings at every pipe section confirm a consistent slope with no flat spots

Precast inspection chambers

Install quickly and resist soil movement caused by Kuwait's wide temperature swings

Common mistakes in storm-drain network design

01

Insufficient pipe slope

Sand settles inside the pipe and the network blocks after the first rain season

02

Missing low-point outlets

Any low point without a gully becomes a permanent pool that damages foundations

03

Mixing storm and sewage lines

Overloads the sewage line and can cause foul-water backup during heavy rain

04

Undersized pipe diameter

Cannot carry Kuwait's sudden heavy rain volume, so the network overflows immediately

What decides the price

No fixed rate applies because site area, network complexity and excavation depth vary with each project

Total site area

Larger area means longer runs, more chambers and higher cost

Number of outfall points

Multiple discharge points require more complex design and installation

Required excavation depth

Deep lines need more excavation and trench-wall support measures

Existing surface type

Breaking and reinstating tiles or asphalt raises the overall project cost

Connection to external network

Reaching a municipal drain or shared outfall adds depth and pipe length

Who we work for

Same method, same equipment. Only the size of the job changes.

A clean modern bathroom with grey stone tiling

Homes and apartments

  • Drain and gully unclogging
  • Cesspit suction
  • Leak detection without breaking
  • Tank cleaning and waterproofing
A modern office washroom with wall hung basins

Offices

  • Plumbing maintenance contracts
  • Mixer and valve repair
  • Low water pressure
  • Clearing bathroom lines
A stainless steel commercial kitchen with a floor channel drain

Restaurants

  • Grease traps
  • Commercial kitchen lines
  • Restaurant gas lines
  • Scheduled clearing and cleaning
A basement plant room with pumps and neat pipework

Complexes and buildings

  • Sewer network maintenance
  • Sewage and basement sump pumps
  • Manhole and inspection chamber cleaning
  • Operation and maintenance contracts

Why us

Why Al Amana for storm-drain network design

Amana means trust. Someone else’s home is not ours to be careless in.

  • Filmed before and after

    Do not take our word for it. Look at the line yourself.

  • Clearing before breaking

    Breaking is the last resort, never the first step.

  • 24-hour emergency

    A blocked line does not wait for the morning.

  • All of Kuwait

    Six governorates, 139 areas.

  • Maintenance contracts

    For buildings and complexes, servicing before the problem starts.

  • We work on commercial sites too

    Restaurants, offices and complexes, not only homes.

We cover all of Kuwait

Six governorates, 139 areas.

CapitalHawalliFarwaniyaAhmadiMubarak Al-KabeerJahra

Common questions

Questions about storm-drain network design

Need someone now? The emergency line is open any hour.
+965 9668 4964

Can a storm-drain network be designed for an existing building?

Yes, but the design works around the existing structure. We survey the site and find drainage routes within available space, keeping excavation in finished areas to a minimum.

Why does water still pool in the yard even though a gully is already there?

Usually the gully was not placed at the true low point, or subsequent paving work changed the surface gradient. An accurate level survey reveals where the water actually wants to go.

Is the storm-drain network kept completely separate from the sewage line?

Yes, the two systems are separate in any correct design. Combining them overloads the sewage line and risks foul-water backup inside the building during heavy rain.

How many inspection chambers does a typical storm-drain network need?

A chamber is placed at every direction change and every junction. The number follows the network layout rather than any fixed rule.

Does a designed storm-drain network need periodic maintenance?

Yes. Fine sand builds up in gullies even with sand traps fitted. Cleaning the network before the rain season ensures it performs as designed.

A quiet Kuwaiti residential street with a drain cover in the pavement

Need this now?

Tell us what is happening, and the right equipment is on the van before we set off.

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