A brief introduction of Rooftop rainwater harvesting systems

Roof rainwater harvesting systems are based on the principle of collecting and storing rainwater that falls on the roof with appropriate equipment. This method of collection is cleaner than surface rainwater collection. After all, there is no direct contact with the land and no secondary pollution. Roof rainwater harvesting systems consist of four basic devices, filters, inlets, float filters and overflow outlets, and depending on the model, price and customer requirements, the four above are essential in each case. In addition, the design of a roof rainwater harvesting system must follow certain principles.

Design principles for rainwater harvesting systems on roofs

Roofing materials

Metal, ceramic tiles, concrete materials, asbestos and other materials that are susceptible to moisture and hydrolysis are all suitable collection materials. In addition, certain materials contain heavy metals, such as lead, and should not be used as roofing for catchment areas.

Rainwater storage devices

Designs should be based on locally measured precipitation conditions. Due to the lack of on-site measurement data, the thickness of the abandoned stream should be 2-3 mm. based on the thickness of the abandoned stream and the actual catchment area, calculate the volume of the initial rainwater abandonment device, when the collection of rainwater, the use of automatic or manual valves, the rainwater into the regulating pool, self-control type mainly applied to the siphon roof rainwater collection system.

Cistern supporting system

Must be equipped with simple treatment systems and spray systems, fire-fighting systems and other water systems, and can also be directly supplemented by groundwater through infiltration pipe trenches. Installed on the roof, above ground or below. The storage facility requires an overflow device. Large buildings are usually installed underground.

Cistern construction materials

Must be acid resistant, alkali resistant and water-free. Non-polluting materials. Relatively mature, low cost, easy to install, maintenance-free and powerful rainwater storage module technology is already available on the market.

The price of a rooftop rainwater harvesting system mainly includes the construction costs and the subsequent use and maintenance costs. The construction price includes the design of the process drawings, the procurement of materials, the main construction of the project, the installation of the rainwater harvesting equipment, the completion of the project and the acceptance of the project. As one of the house owners, you may have been interested in such rain water harvesting system, for further contact and future planning, you may refer to rain gutter Malaysia for your services sooner or later. 

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Although no instances of COVID-19 transmission have been documented via the faecal-oral route to far, cases of the closely related SARS virus (SARS CoV) have been confirmed during the 2003 pandemic. In Hong Kong, failures in an apartment building’s wastewater evacuation system have resulted in 342 contaminations and 42 fatalities, according to the authorities. Droplets carrying the virus had in fact moved to other apartment rooms via the air flow after passing through empty bathroom syphons and into the drains.

The capacity of SARS CoVid-2 to survive on various surfaces

In terms of the virus’s lifetime on various surfaces, there is very little information available at this time. Recent research, on the other hand, generated headlines across the globe when it was discovered that live virus particles could survive for several hours on copper, for 24 hours on cardboard, for 48 hours on stainless steel, and for 72 hours on plastic. The experiment, which was carried out in a controlled environment in a laboratory, may only be used as a point of reference for daily circumstances.

Once these delays have passed, says a coronavirus specialist from the Johns Hopkins University School of Medicine in the United States, the danger of infection is very low. This is due to the fact that the quantity of particles in the air has been decreased significantly. Unlike other coronaviruses, SARS CoV-2, on the other hand, has certain changes that make it more infectious than other coronaviruses. As a result, while cleaning and disinfecting surfaces, the author advises that the greatest amount of care be used.

The best way to decontaminate after being exposed to the coronavirus

During this pandemic, coronavirus outbreaks may occur at any moment in a variety of settings, including hospitals, schools, retirement homes, cruise ships, hotels, jails, apartment complexes, and places of employment. Other public meeting places, such as sports stadiums, theatres, theatres, and shopping malls, may also get infected, increasing the chance of the virus spreading among a huge number of individuals who would then scatter across a wide geographic region after being infected.

Decontamination of a safe space is critical after even the smallest event involving an infected person, contamination by infectious material or waste, or contamination by infectious waste. Facility management must act promptly in order to avoid the spread of the virus and the overcrowding of the hospital system with new illnesses. As time passes, the virus’s exponential growth rate rises by a factor of two.

Cleaning and disinfecting procedures are used

Surface cleaning and disinfection are the most efficient ways of preventing the spread of COVID-19 in buildings, according to research. Before any disinfection service can be provided, a site inspection must be completed in order to develop a site-specific risk assessment, method statement, and safe operating procedures.

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