First Flovac Project in Vietnam – The Ana Marina in Nha Trang

The Riviera of the South China Sea

Vietnam’s first marina is nearing completion, and will include Flovac’s first vacuum system in the country. Upon completion it will contain berths for over two hundred yachts and Super-yachts. Ana Marina in Nha Trang on the south east coast of Vietnam will be the country’s first world class marina, initially offering 60 berths for vessels of 20-40m and extra wide berths for catamarans

Future phases will include a super yacht dock for six yachts up to 70m in length and an additional 100m berth is under consideration. The remaining berths, to bring the overall total to 220, will accommodate yachts of 10 to 20m and will be operational by 2021.

General Manager of the project, Ruurd Van Putten, gave us his insight. “It’s a unique project in Vietnam that will ignite a whole new industry. Yachting is generally known for its high standard, quality and innovation. Marinas have proven to be a catalyst for economic growth, development of tourism and overall improvement of leisure services and facilities.

With environmental concerns a high priority in coastal developments, Ana Marina is heavily focused on the key concepts of Sustainability, Durability and Responsibility. “A marina means less pollution, cleaner water, and protection to vulnerable marine life. It will have special systems to prevent spillage of oil, fuel and waste of boats.

This will result in better water quality allowing plants, coral and fish to grow un-threatened, and also a safe and clean area to swim and play. We are dedicated to raising awareness that the sea is the beating heart and lifeline of Nha Trang, and must be preserved and protected at all costs”, Ruurd concluded.

A Flovac Vacuum Marina system was chosen as it has been demonstrated that it can provide certainty around the environmental benefits that the client has determined to be of absolute importance. Flovac marina systems have been installed in a number of high profile areas including in Barcelona, Greece, Italy and the Caribbean.

The Flovac systems look after boats of all sizes and can include the handling of bilge water and oil separation.  The larger Superyachts pump their wastewater or bilgewater into a Flovac collection chamber which can be sized and designed to fit into the marina area.

For smaller boats a pillar that often houses water and power will have a connection point for a hose that will suck the wastewater from the boats. This is often done by the marina operator or can also be via a key card or code-pad operation by the boat owner. Flovac has initially supplied 9 pillars to the project and all are connected to a single vacuum pump station. All of the pillars will be located on floating pontoons.

The main benefits of the Flovac vacuum sewerage system is that it will not leak into the water and is very easy to install. All points of the system are fully monitored from the central command center as so easily managed. To see more details of our marina systems please go to this page.

Water Supply and Sewerage in the 21st Century

The City of Marki in Poland, north east of Warsaw and Wodociag Marecki the Utility Company that maintains the water and sewerage systems in Marki City are quite unique.

There is a very close relationship between the utility, the City and Warsaw University of Technology. Over the last ten years they have done a number of concepts, designs and installations using a number of different technologies for specific sight conditions throughout their area. These have included vacuum sewers, gravity sewers, pressure systems and even domestic on-site treatment plants.

Prior to this initiative the City had relied on septic tanks so they wanted to ensure that they used the right technology for the right area and community. What has been tremendous about this effort is the city’s willingness to share their experiences with others around the country. Flovac applauds their efforts in this field and have been very happy to support them.

On a periodic basis seminars have been held to discuss their findings, the most recent of which was recently held in Zegrze near Warsaw.  The seminar was titled (Water Supply and Sewerage in the 21st century) and included representatives from a number of local authorities and utilities from the north east of Poland. Experts were invited to talk on different subjects.

On Vacuum Sewerage Systems the speakers were:

Prof. Dr hab. inż. (prof. PhD Eng) Zbigniew Heidrich – Politechnika Warszawska (Warsaw Univerity of Technology)

Dr inż. (PhD Eng) Marek Kalenik – Szkoła Główna Gospodarstwa Wiejskiego (Warsaw University of Life Science)

Dr inż.  (PhD Eng) Jacek Sobesto – Flovac Polska sp. z o.o.

Dr.inż. (PhD Eng) Grzegorz Stańko – Wodociąg Marecki sp. z o.o.

Dr Jacek Sobesto of Flovac Polska

One of the largest Flovac systems in Poland is based in the City of Marki and has over 800 Flovac valves connecting residents to the vacuum sewer. It has proved to be easy to maintain and well accepted by the community.

Vacuum Pump Station in Marki

Inside the Vacuum Pump Station in Marki

Flovac Expands into the Korean Market

Flovac Systems is very happy to announce the joint cooperative agreement between Flovac and Coway Entech of Korea. Coway Entech has agreed to represent Flovac on the Korean peninsular and will pursue a number of projects looking to use vacuum sewerage systems.

Coway Entech is the largest supplier of vacuum systems in the country and has completed more than 23 systems for primarily industrial projects including Manufacturing companies and Nuclear Power Plants. Coway was established 50 years ago as the first total water solution provider in Korea. CEO Juno Jung has created one of the most trusted companies in the water industry in Korea. With the recent addition of Green Entech, Coway has moved into sustainable solutions for clients both in Korea and in many countries internationally as well.

Coway Entech has developed many unique solutions using vacuum systems for their clients, including being the first company to use stainless steel for their pipework. They were also teh first to use a vacuum sewerage network within a nuclear power facility.

Mr Changil Koh the groups Deputy General Manager visited a number of projects in Australia with Founder and CEO John Radinoff and Flovac’s operations and engineering teams. Over the years Flovac has been host to a number of people from Green Entech and a close relationship of trust and appreciation has formed. Mr Koh felt that Flovac’s products were the most technically advanced on the market and would be able to provide the best support for the Korean projects.

We look forward to a long and happy relationship and an expanding market.

How to Sewer The Water Villages of Kampong Ayer

Kampong Ayer in Brunei’s capital city of Bandar Seri Begawan is a cluster of around 40 small villages connected by a 38-kilometer (23-mile) boardwalk. It dates back more than 600 years. Today, around 13,000 people live in the water village, about 3{f2ac4d1e1d40dc2e2d9280a1dfa90d854b2d8c80eba743affa37fc4ce2e16def} of the country’s population.

These Water Villages are very common throughout South East Asia down as far as PNG which has a large water village just outside of Port Moresby at Hanuabada.

Many of these villages have enormous cultural and historic value to the countries and communities that live in them. They are also major drawcards for tourists with the Kampong Ayer townships in Brunei known as the “venice of the east”

Although some of the houses are now on vacuum sewer networks, many have still not been connected. Historically having raw sewerage drop into the water below only really affected the health of the local population as many of the water people swam or fished in the same water. With the wealth of those living in the villages increasing, more problems have surfaced with detergents entering the waterways, killing off the fish and other local seafood. None of this is good for tourism, especially the odour.

The government has big plans to increase many of the houses serviced but are also finding the structural integrity of many of the houses to be a problem. Imagine laying a length of pipework between houses to pick up the sewage when the house in the middle collapses due to age.

How these houses get serviced is a very complex problem. At one of the water villages in Labuan Malaysia a gravity system was installed but proved to be a failure within a short amount of time.

The pipework sloping to a gravity main below the houses close to the surface of the water was cut many times by local residents as it was impeding the way that many residents got around the area in their boats. For hundreds of years the residents drove their small boats under their houses and around the village. All of a sudden plastic pipes were in the way. A simple solution – cut them.

In 1995 our firm was hired by the Brunei and Australian governments to design and then supply a vacuum sewerage system for two main sections of Kampong Ayer at Bolkiah A and B. The sewerage was collected into sumps pinioned below the walkways to the houses and on average 4 houses was connected to each sump. Vacuum valves were housed in small stainless steel valve boxes attached to the side of the walkways to allow for easy operator access. All of the vacuum mains were laid under the walkways back to land where the vacuum pump station and treatment plant were located.

As the pipework was laid directly under the walkways it was not visible and did not impact on the passage of the residents. The number one lesson for residents was to learn not to use their toilet as a rubbish bin. Initially blockages were common and operators grew frustrated by the number of items thrown into the system. The problem residents were easily found as with only 4 houses connected to a sump, the process of elimination was easy and the residents were educated as to proper use. Modern valve monitoring systems will make this even easier.

Our engineers received an award from the Institute of Engineers Australia for this project. Our operations group still goes to site whenever requested the the government to ensure that the system continues to work well.

The lessons which both our engineers and operators learnt from these projects has enabled us to offer clients great insights in to how best design systems for water villages, resorts and marina’s. If you would like to learn more about other Flovac projects you can read about them here.  FLOVAC PROJECTS

Growing Pains or Growing Old Pains – What best describes your old gravity sewer?

What happens when your sewerage network gets too old? Your old clay pipes have cracked or are filled with roots, every time it rains it seems like its a direct line from the clouds to the Treatment Plant. People in the community start asking why you are spending a load of money on treating rainwater instead of just sewerage.

If you are part of a coastal community it could be worse, your old broken  pipes could be letting seawater into the system every time there is a high tide or major storm. Salt water can cause major problems at the Treatment Plant. For communities like Miami Beach who get storm surges flooding their sewers and closing their beach on an increasingly regular basis it can cause major economic and health risks. Santa Pola in the Alicante area of Spain found that the impact of global warming and rising sea levels caused a complete failure of their old sewer system.

The town of Santa Pola with over 10,000 homes replaced their whole gravity sewer system with a Flovac vacuum sewerage system. As vacuum mains are laid in shallow trenches it was possible to skirt around, above and below exiting infrastructure and eventually replace the network. You can read more about that project here.

It could be that the old gravity sewer system with large heavy pipes just wasn’t suited to the ground conditions that are often found near the coast or in swampy area’s and that over time they no longer have the correct grade to remove the sewage or have pipes that continually break allowing ground water into the system as well as blockages. This occurred at Hope Island on Queensland’s famous Gold Coast.  Gold Coast Council have developed a Master Plan and slowly replaced a number of area’s with vacuum sewers. When the original gravity sewer was laid, there was no choice, developers were racing to put up houses and council at that stage had no experience with vacuum sewers and so deep gravity mains were installed. Almost immediately problems were noticed as the ground subsided in different area’s. Sewage backed up in pipes and was unable to flow as the grades first allowed for in the networks were no longer the same.

When looking at upgrading a gravity sewer, pipe relining can be an option, but in many cases this becomes an ongoing expensive option and be too difficult in a large network. Some utilities just look to replace the old pipework, but in most communities this is just not practical. This could mean uprooted gardens, roads out of use for a number of months, noise, dust and a huge cost.

For many communities it is the size of the town that has changed dramatically over the years. In most cases this has meant an increase in the population as people move from the city to the coast. Developers move into the fringes of the town. Planning regulations change allowing for sub dividing of the old large land blocks or height and density changes. This puts pressure on existing sewers that are already not coping due to age and lack of maintenance. This has happened, not only in small coastal towns but in larger developed cities like Abu Dhabi and New Delhi. Vacuum sewers can be used to supplement the towns aging sewer system, loads can be taken off the main system by a series of collection pits and shallow pipework.

Flovac vacuum sewers have shown time and again, their versatility. This means either their ability to handle density changes or climate changes. It might even mean changes in ground conditions as happened in Christchurch New Zealand when they suffered from a terrible earthquake. The old gravity sewers in the city and surrounding suburbs broke and left residents with no service for months. Vacuum sewers have now replaced a large portion of the gravity sewers in Christchurch and although difficult has proved to be a better long term  solution for the residents and operators. Christchurch systems

Vacuum sewers should not be looked at as the only solution in many of these towns. In some cases a combination of grinder pumps, gravity and vacuum is going to be the better result for the community. Whether the problem is growing pains, or growing old pains a vacuum solution might offer the versatility that you need.

Glossy Bay Resort and Marina Project opens in the Caribbean

Flovac’s latest project in the Caribbean has opened in Canouan at Glossy Bay Resort and Marina with Flovac providing a plug and play containerized vacuum system and treatment plant.

The system at the Glossy Bay Marina and Resort will support a luxury marina which will accommodate mega yachts in excess of 100 meters in length. There will also be hotels villa’s, restaurants and other facilities. The island of Canouan is a two hour ferry ride to the main island of St Vincent of the St Vincent and the Grenadines group of islands in the Southern part of the Caribbean.

As the project was quite remote Flovac supplied a containerized plug and play vacuum pump station and treatment plant. All water on the island is supplied by a desalination plant, so water is precious and spared as much as possible. Treatment quality is very important so that this pristine area is not polluted in any way.

The containerized system has been used in deployable situations on a number of projects and is a great way to transport and set up a project. You can read more about Flovac’s deployable solutions HERE

Flovac vacuum sewerage and marine systems have become very well respected among the boating community. Flovac has completed many world class marina facilities around the world, including Italy, Australia, Greece and Spain. It was the completion of the latest super yacht facility at Marina Vela in Barcelona that caught the attention of the owners in Canouan.

You can read more about Flovac’s experience with Marina’s and why a Flovac solution is often chosen in this interview with Flovac’s expert Mr Francisco Rodríguez

There are many positive reasons for using a vacuum system in this type of project. Fast, easy and cheap installation are some of the key attributes, but importantly for this client was the reduced risk of any overflows of sewage into the water area’s. This is a first class resort and the beach and marina areas need to be pristine. The system can also easily be monitored and maintained by the resorts utility personnel as no specialist equipment is required to handle the vacuum system.

 

 

Reef Island Resort Official Opening in Bahrain

A high profile project and one of the largest scale vacuum sewerage systems ever designed had an official opening this month in Bahrain for its key resort project.

Reef Island decided to use a Flovac vacuum sewerage system due to the ease and speed of installation compared to using a gravity sewer systems. There was also a decision by the developers of the resort that they wanted to use world class environmental best practice and through research had discovered that this is what Flovac delivered.

The whole island is serviced by just a single vacuum station which is completely concealed underground.  The island features not only this world class resort but numerous bungalows, apartment buildings and world class restaurants.

For the special opening Flovac’s Chairman Mr Willem Gooren was invited as a special guest along with members of the Flovac team who were involved with the system development.

To assist with the operations of the vacuum system Flovac has installed a monitoring system that enables the operations center in Holland to provide additional remote support. With our senior operational teams able to review the system in real time, fast communication can occur to assist those based locally.

First FLOVAC vacuum sewer project in Norway at the innovative Center for Animal Research

NORWAY WELCOMES FLOVAC VACUUM SEWERAGE SYSTEMS

Flovac’s Antje Adler on right

The Innovation team from Flovac’s German Unit under the management of Antje Adler has been appointed by Norway’s leading engineering design firm STATSBYGG to supply a Flovac vacuum sewerage system for inclusion in the new Center for Animal Research at Campus Ås. Based outside of Oslo, Campus Ås will become Norway’s largest interdisciplinary academic Center for the environmental and life sciences and for landscape architecture.

The Center is affiliated with the Norwegian Environment and Biological Sciences University, NMBU and will be the national plant for research and education in livestock production in Norway. Ås gård has become an environmentally friendly facility with a great focus on animal welfare.

There are space for 1200 animals on Ås farm, which consists of five buildings totaling 16,400 square meters . Small sheep (sheep and goats) have been accommodated in an airy barn of 1630 sqm, while the pigs have got their own 1740 sqm building with warmth in the floor. The entire livestock unit of 7140 sqm is equipped with two fully automatic milking robots, an advanced robot that can supply feed to the cows throughout the day.

As disease control and prevention is of utmost importance, the Flovac system was chosen to ensure that any waste from the animals is collected in a safe way. A Flovac pump station which generates the vacuum pressure in the wastewater collection network is situated remotely from the animals with flexible pipe installed underneath the livestock units. All waste is collected via floor drains throughout the facility. Flovac valves are housed in the floor drains and operate pneumatically with no need for an electrical connection. This reduces the carbon footprint of the facility. To ensure as little disruption as possible for the livestock all valves are remotely monitored and crucial data can be collected by the management team.

The STATSBYGG design group chose to work with Flovac after a close study of the Veterinary University of Hanover’s epidemic disease prevention unit’s use of the Flovac vacuum sewerage system installed in 2015. They cited the speed of installation, flexibility and that there had been virtually no operational issues and no contamination occurrences as the reason for choosing Flovac.

Information about the Hanover project can be read here.

A number of tests on the vacuum system were done, including a leakage test to show that if the vacuum mains were broken in anyway there would still be no blockage. A video of that test is available here if you would like to watch it. Flovac Leakage Test

If you have a specific wastewater problem that needs some out-of-the-box thinking, then please contact us and we can see if there is some way in which a Flovac vacuum sewerage system might be the best solution for you.

Interview with Marina Expert for Flovac, Francisco Rodríguez

Francisco Rodríguez

At the end of 2017, aguasresiduales.info, Spain’s leading journal on wastewater and sanitation interviewed Flovac Spain’s Technical Director to understand the massive growth in the vacuum sewerage industry in Spain and elsewhere, particularly for Marina and Port infrastructure.

This is a translation from the original article which can be found here.

We speak with Francisco Rodríguez, Technical Manager of FLOVAC Spain, about vacuum sanitation in Ports and Marinas

The company FLOVAC Vacuum Sewerage Systems, is the world’s largest designer, manufacturer and supplier of complete vacuum sewerage systems Among its solutions, one of the fastest growing solutions is the complete sanitation of marinas and commercial ports, where a vacuum sewerage network allows the operator to manage the port’s own sanitation network and at the same time service the collection of wastewater from the boats.

Francisco, in general terms, how does a vacuum sanitation system installed in ports and marinas work?  

A Flovac valve connected to the vacuum network is installed at each connection point. When it detects that there is about 20 cm of water in the sump, the valve opens, sucks in the water, sucks in air and closes again in a matter of 2 or 3 seconds. All this without electricity, only with the force of the vacuum.

The only point that needs electricity is the vacuum station. The vacuum pumps located in the station maintain a constant vacuum level in the vacuum network that covers the entire port or marina. A tank collects the wastewater before being driven or pumped to the municipal collector or sewage treatment plant.

What advantages does this vacuum sanitation offer compared to traditional sanitation in this type of site? In marinas and ports, the water table is very high and has often been filled with breakwater, so deep ditches are extremely expensive and technically complicated. Thanks to the force of the vacuum, the pipes can be installed at a shallow depth and serve the entire port or marina with a single vacuum station. The wells where buildings and megayachts are poured can also be shallow, since the valve only needs 20 cm of water to act.

The vacuum station itself can be buried (for space or aesthetics) or it can be on the surface, without the need for excavation. Another advantage would be the absence of odors, since when emptying the well each time there is 20 cm of water (about 50 liters), the residence time is minimal and avoids the appearance of the smell characteristic of pumping. In addition, the valve remains open a couple of seconds after emptying the well, so it renews its air. The network of pipes is watertight, since any leakage is detected in the vacuum station and an alarm occurs. In addition, in case of leakage, air will be sucked through the fissure and no residual water will be spilled. Therefore, it is the only system that ensures correct environmental protection of the port or marina.

As for the installation costs of this technology and maintenance costs, replacement of equipment, etc., what can you tell us? The reduction of excavation in such difficult conditions as a port, means a reduction of important costs, and the reason why sewage collection by vacuum is the most economical solution. The maintenance costs of a system with a single vacuum station, compared to an alternative that would require multiple pumping, are also clearly lower. The valve is specifically designed to work with wastewater. They are manufactured in glass filled polypropylene, with a stainless steel shaft. The result is that the first valves installed in Spain, specifically in Empuriabrava, 15 years ago, continue to operate with a minimum consumption of spare parts

Currently FLOVAC is the benchmark in the installation of vacuum sewerage systems, both in residential areas and in ports and marinas, what are your main references and projects at this time in Spain? The first installations in ports that we carried out in Spain, more than 10 years ago, were sewerage projects for the existing buildings in the marinas or ports. Later, we added sewage suction points for small boats that had to move to that point. In the most recent marinas, a single vacuum station serves buildings, suction points for yachts located at the gas station, megayachts on their own mooring and even a network of bilge water suction points that are treated before they are sent to the public sewage system.

The result is that among our projects in Spain there are all kinds of facilities: large commercial ports, such as the Port of Barcelona or small ones such as Arenys de Mar, marinas for yachts or mega yachts such as the Royal Marina Juan Carlos I (Valencia), Port Vell and Marina Vela (Barcelona) or industrial facilities such as Marina Barcelona 92 ​​for megayacht repair.

To empty wastewater from small boats, suction points are available, usually next to the gas station. Likewise, Flovac valves open and allow the emptying of yacht deposits. The megayachts, on the other hand, have their own sewage pumps, which drive the water to small wells located on the same dock where Flovac valves evacuate the water to the vacuum station. Finally, to evacuate the bilge water from the gas stations, a second vacuum network is required, so that these waters end up in a different reservoir that allows their treatment before being sent to the public sewage system. But the equipment at the vacuum station is the same for both networks.

Finally, Francisco, are marina and port projects being installed in other countries?

Flovac is leading the world in providing sewerage solutions at Marina’s and many countries are now following Spain’s lead which we feel is a world leader in using best environmental practices. Greece has always been another leading country for marinas and we have done a number of projects as far away as Australia and more recently in the Caribbean, Italy is also a very good market for us.

For more information please visit www.flovac.es or www.flovac.com