Path-breaking Wastewater Treatment Project in Oman

Haya Water launches path-breaking wastewater treatment project in Oman

Muscat: The State-owned Haya Water is coming up with a new sewage treatment plant (STP) in Darsait with a capacity of about 50,000 cubic metres per day.

The STP is expected to be completed during the first quarter of 2017. “This new STP will replace the existing one and will serve the areas of Wadi Kabir, Hamriya, Ruwi and Darsait,” Hussain Hassan Abdul Hussain, CEO of Haya Water, has said.

The primary goal of the construction of this new STP is to connect most of the Muttrah areas to the wastewater system, and apply the latest technologies in the field of wastewater treatment.

“This will increase the water treatment capacity in these areas. The New Darsait STP uses the reactor membrane technology which is considered one of the best in the world to ensure high-quality treated water free from any kind of pollutants. Two new tankers for reserving treated wastewater and a pumping station will be also constructed at the site. The contractor will also link the New Darsait STP with the control room at Al Ansab STP. The new STP will be completely covered and will have a ventilation system equipped with the state-of-the-art technology. This system will also purify any bad odours,” Hussain Hassan Abdul Hussain said.

He was enumerating the latest developments regarding the current and future projects and the plans of the company at an interaction with the media recently.

This was the second such gathering featuring the media that Haya Water organised after the success of a similar gathering in 2014.

The meeting was attended by Hussain bin Hassan Abdul Hussain, CEO of Haya Water, the general managers and a number of company officials.

The event began with a welcome speech delivered by Sulieman Al Rawahi, General Manager of Corporate Affairs at Haya Water.

After that, Hussain Hassan Abdul Hussain, CEO of Haya Water, said, “I am happy to meet you today and present to you the latest developments relating to wastewater treatment project being executed by Haya Water, which is considered one of the most complex projects in the region.”

He said Haya Water will also cover the rest of the governorates in the Sultanate according to the company-approved master plan which takes into consideration the expansion of the cities and the rapid growth of population. “Haya Water is working hard to deliver the wastewater service to the wilayats of the Muscat Governorate covering 80 per cent of the areas by 2020,” he said.

On the other hand, Haya Water is currently treating approximately 118,000 cubic metres per day of waste water in the Muscat governorate.

The company is also operating, at present, 11 Sewage Treatment Plants (STPs), constructing two large modern STPs and expanding the two existing STPs with world-class standards. “These new plants are meant to raise the production capacity of the treated wastewater to 318,000 cubic metres a day by 2025. The company is currently executing wastewater networks projects in the wilayats of Seeb, Bausher, Amerat and Muttrah, and it is expected that the sewer networks will reach a length of around 3,500 km and the treated wastewater networks will cover about 680 km by 2025,” he said.

The company is now planning for the development, construction and management of the wastewater systems in other governorates that were previously being managed by the Ministry of Regional Municipalities and Water Resources. “The ministry has constructed 63 STPs connected to sewer and treated water networks with a total length of about 750 km spread over various governorates."

The capacity of these STPs ranges from 30 cubic metres per day to 7,200 cubic metres per day.

Regarding the Bausher Wastewater Project, he said the total length of the current and existing sewer network projects is about 906.84 km. “The total length of the treated wastewater network is about 158.08 km. The main pumping station at Azaiba pumps the sewage water across the network to Al Ansab STP. The capacity of Al Ansab STP is expected to reach up to 140,000 cubic metres per day upon completion of the third expansion. The project will connect more than 25,647 buildings by 2019, thus taking into account the ongoing construction boom and the rapid population growth. Haya Water had started executing a number of projects by awarding the contracts for Qurum and Madinat Al Ilam in 2012. The wastewater network length is now about 112.5 km and the treated water network length is 12.95 km. The project is in its final stages.

"The wastewater project in Al Khuwair is being awarded this year. The total length of the wastewater network will be about 106 km and the total length of the treated water network will be about 8.1 km. The wastewater network rehabilitation project in Madinat Sultan Qaboos was also awarded this year with a total wastewater network length of about 26.34 km and treated wastewater network length of 4.33 km. Also awarded this year is Al Ansab STP Expansion Project aimed at increasing the capacity of the plant to 125,000 cubic metres per day,” he said.

For Seeb Wastewater Project, he said it was aimed at connecting approximately 30.122 buildings to the wastewater network. “The Seeb STP is yet another component added to this vital project with a capacity of 60,000 cubic metres per day in its first stage. This STP will treat the wastewater flowing across the sewer networks from all Seeb areas. The total length of the current and future sewer networks projects will be about 1,765 km, which is twice the distance between Muscat and Salalah. This project also includes the construction of a treated wastewater network with a total length of about 182 km. The Seeb STP was commissioned in June 2014 and nearly 16,400 buildings were connected by the end of August 2015. At the beginning of 2015, two wastewater network projects were awarded for a total of OMR 42.5 million,” he said.

For the Muttrah Wastewater Project, he said the wastewater project covering the areas of Costal Darsait, Ayant, Wadi Kabir, Hamriya, Ruwi, Bait Al Falaj, Mina Al Fahal and Wattayah in the Willaiyat of Muttrah is considered one of the most vital projects in Oman. “This project aims to connect nearly 3,722 buildings. The length of the current wastewater network is about 710 km and it is expected to reach about 812 km in the future. These networks consist of main and sub-lines. The diameter of these lines ranges from 150 mm to 700 mm. In addition, the project includes a treated wastewater network with total length of 26 km. In 2014, two new pumping stations were built, one at Aynt and the other in Coastal Darsait, and 250 houses were connected. The old network was scrapped and the two existing pumping stations in Aynt and Hamriya were shut off,” he said.

About Amerat, he said the implementation of the wastewater project in Amerat will be taken up in phases, taking into account the population growth and the development of the area. “The first phase includes the construction of wastewater networks, pumping stations, an STP and treated wastewater network. Four projects have been awarded in Amerat, including the construction of an STP with a capacity of 18,000 cubic metres per day and three wastewater network projects."

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Taxonomy

• Wastewater Treatment
• Wastewater Collection
• Water & Wastewater