Rain Water Harvesting System

Rainwater harvesting is the collection of raindrops. In most cases, a roof is used for this purpose. The Rainwater then flows through the pipes, into a collection tank. A rainwater harvesting system consist the following elements:
a) Collection area,
b) Conveyance system,
c) Storage
d) Usage/ Recharge

Rainwater Harvesting Tank Cleaning

We offer periodic cleaning of rainwater harvesting tank at very competitive rates, and suggest that your rainwater storage tanks are cleaned prior to commissioning and on a 1-3 year basis thereafter.


During the installation process it is usual for the tank to capture debris, dust, mud, dirt and litter and it is critical that this is cleaned out before the system is turned on. “D Sol Facilities Pvt. Ltd” can carry this out for you prior to arriving on site to commission the system.


We also recommend that the main storage tank or any header tank be cleaned every 1-3 years depending on the quality of your water.


Our fully qualified team can clean all these items in one visit, saving you a lot of time.

“D Sol Facilities Pvt. Ltd” offers a complete tank cleaning service. We don’t just suck out the dirt using an air compressor only; our skilled operators actually go into the tank to remove all the large debris by hand that a compressor leaves behind, making sure that when they have finished, it
is as good as new.

Our teams of professionals have all of the correct health and safety equipment including winches and harnesses, are confined spaces trained. It is critical that you use professionals who have a proven track record.

Our ‘5 STAGE’CLEANING PROCEDURE

The 5 stage cleaning process has been developed through research and development to arrive at a full proof process that involves through state-of-the-art imported equipment and proprietary antibacterial agents that are safe, effective and eco-friendly.
Stage 1
Mechanized Dewatering Manhole and surroundings are cleaned off dirt, mud and algae.
Stage II
Sludge Removal A sludge pump is used to dispose of the dirty water & sludge.
Stage III
Anti-bacterial Spray The walls & ceilings are made totally sterile from bacteria attack using specially developed
antibacterial agents sprayed by high pressure jet.
Stage IV
High Pressure Cleaning Walls & ceilings of the tanks are cleaned using special high pressure jet.
Stage V
Remove Dirt A pump is used to remove sludge after cleaning the tank floor. An industrial pump is then used to clean the remaining dirt. Total sterilization of tank from the inside.

Elements of RWH


The collection area in most cases is the roof of a house or a building, or the open ground area. The effective roof area and the material used in constructing the roof influence the efficiency of collection and the water quality.

A conveyance system usually consists of gutters or pipes that deliver rainwater falling on the rooftop or open area, to cisterns or other storage vessels. Both drainpipes and roof surfaces should be constructed of materials such as plastic, aluminum, concrete or fiberglass, in order to avoid adverse effects on water quality.

The water ultimately is stored in a storage tank or cistern, which should also be constructed of an inert material. Reinforced concrete, fiberglass, or stainless steel, are suitable materials. Storage tanks may be constructed as part of the building, or may be built as a separate unit located some
distance away from the building. Water may be discharged to the ground to improve watertable.

Why Rainwater Harvest?

  1. Ground water sources are increasingly getting depleted or are getting polluted. Bore wells are either silting up, getting short of water or are drawing pollutedwater.
  2. Rainwater collected and used on site can further supplement or replace other sources of
    household water and prevent ground water depletion.
  3. In the case of a homebuilder, at an initial stage of construction, investments in time, design and money are minimal for adopting roof rainwater harvesting.
  4. It encourages water conservation and self-dependence.
  5. It makes ecological and financial sense not to waste a pure natural resource available in large quantity on one’s roof.
  6. As per the National Green Tribunal, constructing the Rainwater harvesting system is mandatory on all residential and commercial buildings on plots of 500 sq. meters inNCR
  7. Since groundwater protects the environment against climate changes, adopting techniques to increase groundwater recharge is essential green building practice.
  8. The increasing demand for water, the unrestricted growth of the city, erratic supply of water and the current dry spell resulted drilling more and more of bore-wells, which has caused depletion of the water table. The only way to improve ground water levels is by harvesting rainwater.

Advantages of rainwater harvesting

  • One of the beauties of rainwater harvesting systems is their flexibility. A system can be as simple as barrel placed under a rain gutter downspout for watering a garden or as complex as an engineered, multi-tank, pumped and pressurized construction to supply residential and irrigation needs.
  • Rainwater harvesting systems are integrated with the house, which makes the water easily accessible.
  • Rainwater harvesting systems are personal, which prevents arguments about who should take care of maintenance.
  • The collected water, at later stage (optional), can be used for small scale irrigation (of vegetable gardens etc.), clothes washing, bathing and after treatment also for drinking and food preparation.
  • There is a one-time installation cost depending on the requirement, while sustainability of the construction is larger than that of a pump or well.
  • The used materials can be kept simple, are obtainable nearly everywhere at local (low) cost price.
  • The construction is easy and the system is cheap in maintenance.

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