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Feb 12, 2015 green (1)

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Gauteng’s water was recently switched off because it was “so close to the edge” – and that’s just the beginning. The rest of the country is running on empty unless government spends 100 times more to secure our water supply.  In more than half of the country, South Africans are using more water than what’s available. We are already using 98% of our available water supply, and 40% of our waste water treatment is in a “critical state”. Read more  

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    Screen Shot 2014-12-02 at 12.12.37 PMOverview The City of Stuart is located on Florida's east coast and was incorporated in 1914. It is known as the “Sailfish Capital of the World”. Their water reclamation facility is a conventional activated sludge treatment facility originally built in 1955. The plant's current capacity averages four million gallons a day. The city uses innovative, state-of-the-art utility management systems developed through many years of experience and ensures sound operations and maintenance practices. In 2011, Water & Wastes Digest named them their Top Projects Winner.

Screen Shot 2014-12-02 at 12.12.58 PMChallenges The facility has a chlorine injection line that is used to sanitize the reclaimed water. This line would scale up on a weekly basis - restricting the pipe line going to the clarifier several hundred feet away. In addition, their electronic valves and fittings would scale up and the scaling would cause stress on the pumps with the back pressure it created. It would take an employee a full day, once a week, to flush out the system. Between downtime and labor, the challenge was a costly nuisance. Screen Shot 2014-12-02 at 12.12.48 PMSolution On October 13, 2012 an SB-350 commercial model was installed on the outgoing pipeline to the clarifier, right after the chlorine injection equipment. ScaleBlaster is designed to remove scale formation and keep the scale from forming again. The intent was to stop the limescale formation on the chlorine injector for several hundred feet of piping. Results The results were astonishing. The scale formation had virtually disappeared in the chlorine injector line. Instead of having to flush the lines weekly, the City of Stuart now has a virtually maintenance-free system protecting the chlorine injector lines. On January 25, 2013 the director of the water reclamation facility for the City of Stuart was so impressed with ScaleBlaster's performance, they issued a purchase order for the equipment. Screen Shot 2014-12-02 at 12.13.08 PMSavings The savings are substantial. No longer does an employee have to spend an entire day cleaning the chlorine lines out, including the electronic valves, every week. The downtime is eliminated and the pumps are no longer subject to back pressure stress. That means the R.O.I. was estimated to be just a few months.

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crown plazCrowne Plaza is a chain of full service, upscale hotels catering to business travelers and to the meetings & convention market. The Crowne Plaza Tampa East is a 269-room luxury hotel with over 30,000 square feet of conference rooms, located next to the state fairgrounds and the Hard Rock Casino Resort, the 6th largest casino in the world. It was a primary designation site of events associated with the Republican National Convention in 2012.

Screen Shot 2014-12-02 at 12.07.32 PMChallenges The hotel's entire piping system was so clogged up with limescale formation that they were unable to get any hot water to the upper floors. They actually had to run water in the vacant rooms overnight just to get hot water to the upper floors - costing them thousands of dollars in wasted water monthly. On top of that, their boilers had to be fired up to 130 degrees just to obtain a reading of 100, contributing to further wasted energy costs. Solution On December 6th, 2011 multiple ScaleBlasters (Commercial model SB-350’s and SB-450’s) were installed on the main water line to the building - before and after the boilers, and on locations half way up the building on their piping system. Additional units were installed in thelaundry room and on the steamer in the kitchen. Screen Shot 2014-12-02 at 12.07.50 PMResults Within 3-4 weeks, hotel guests on the top floors and even the new general manager staying at the hotel, starting complaining the water was too hot! This was because the ScaleBlaster had cleaned the hot water lines out of scale deposits and the water pressure was fully restored to the rooms on the upper levels of the hotel. In addition, the scale was removed from the boilers allowing them to reduce the temperature setting to 100 degrees. No longer did the crew have to turn on the water faucets overnight. But more importantly, the hotel solved the problem of having to replace the hotels entire plumbing system, something that would potentially cost hundreds of thousands of dollars. ScaleBlaster not only cleaned out their entire piping system, but will keep them scale-free for a long time – without chemicals, salt or any maintenance. As an added bonus, the additional units installed gave the hotel even more benefits. The laundry, especially the towels, began coming out with a softer feel on them while the lint from the massive dryers had virtually vanished, keeping the fire marshal and laundry crew happy. Screen Shot 2014-12-02 at 12.06.50 PM Savings The total savings on energy and water is in the tens of thousands of dollars, and the savings from re-piping their entire plumbing system would likely have run into the hundreds of thousands of dollars more. Note: This hotel is now called the Sheraton and the equipment has remained in the building. It continues to perform as stated. ®Crowne Plaza is a registered trademark of the InterContinental Hotels Group    

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Screen Shot 2014-12-02 at 12.08.04 PMAmerican Bottoms Wastewater Treatment Facility located in Sauget, IL is a very large plant located just outside of St. Louis. The treatment facility consists of a municipal treatment plant and an industrial treatment plant. The facility is designed to treat an average flow of 26 million gallons of wastewater each day to a maximum of 52 million gallons a day. It has been cited as one of only three municipal treatment plants of this type in the United States. Screen Shot 2014-12-02 at 12.08.12 PMChallenges Due to the nature of the industrial wastewater, American Bottoms must add quicklime into the waste stream in order to neutralize the water. This causes limescale to build up on all structures and equipment downstream of the neutralization basins. Prior to the ScaleBlaster installation, measurements revealed that the structures downstream of the lime addition had limescale as much as 8” thick on the sides, and more than 10” thick on the bottom. This limescale buildup can cause restrictions in flow, so American Bottoms must regularly shut down parts of the treatment plant to remove the scale. This runs into large cleaning and disposal bills (in the tens of thousands of dollars). As the limescale builds up on motorized equipment, the motors must work harder, increasing energy costs. The equipment must also be replaced more regularly due to early wear and tear. Several structures must be cleaned weekly, costing energy, water, and manpower. Solution On February 23, 2012 three ScaleBlaster units (SB-4000, SB-3600, SB-2800) were installed on the two main water pipes transferring the incoming wastewater to the process. Within a month, the SB-3600 unit was transferred from its original pipe, only used during storm events, to the main pipe with the other two units. An additional unit, SB-2000, was installed on the lime recirculation line in order to treat the lime slurry going into the wastewater. Screen Shot 2014-12-02 at 12.08.46 PMResults Within the first month, American Bottoms was able to reduce the regular cleaning of several structures from once per week down to once per month. The employees assigned to these cleaning tasks could not get over how much easier their task had become. These cleanings used to take a full eight hour day to do, sometimes up to two days; now they take about two hours. During routine maintenance of other equipment downstream of the lime addition, several employees noted how much softer the scale had become and how much easier it made their tasks! Two very large structures that had been cleaned of limescale were taken back out of service after eight months of water exposure. These structures had developed a very minimal layer of buildup. When these structures had been cleaned prior to the installation of the ScaleBlaster units, the limescale buildup had been several inches thick. As an added bonus, American Bottoms found that after the installation of the ScaleBlaster units, they no longer needed to add polymer to the water. Polymer was added to the system to help with the flocculation of and settling of the solids in the wastewater. In the past, this was costing the plant over $1000 per month. Savings The savings on cleaning, equipment repair and replacement, energy, water usage, manpower, and polymer will be in the tens of thousands of dollars every year.    

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SOUTH Africa’s potential to develop its green economy is being threatened by people and companies who undermine the country’s environmental laws and regulations, Environmental Affairs Minister Edna Molewa said on Wednesday. The latest report on the efforts of the Green Scorpions to fight these threats in the 2013-14 financial year showed increases in the number of criminal dockets registered and those handed over to the National Prosecuting Authority, with a smaller increase in the number of convictions secured. The Green Scorpions — formally called the Environmental Management Inspectorate — continued to focus on key sectors during the review period, and Ms Molewa said this had yielded improvements in the cement and refineries industries. Ms Molewa said it is now widely recognised that the consequences of environmental crimes stretch far beyond ecological impacts, and have socioeconomic and health effects that disrupt entire economies and ecosystems. Environmental crimes also undermine legal and environmentally sustainable activities, and reduce future options for the use of natural resources. She used the example of illegal logging, which she said "contributes to deforestation, deprives forest communities of vital livelihoods, causes ecological problems such as flooding and is a major contributor to climate change". Illicit trade in ozone-depleting substances contributes to a thinning ozone layer, which causes human health problems such as skin cancer and cataracts. Soil and water contamination from illegal hazardous waste dumping can damage ecosystems and pose significant risks to human health. The seventh National Environmental Compliance and Enforcement Report shows the number of criminal dockets registered rose to 1,862 in 2013-14, from 1,488 in 2012-13, while the number of finalised dockets handed to the National Prosecuting Authority rose 268 to 379. The number of convictions obtained nationally rose slightly, from 70 to 78, and the number of acquittals was stable at eight. The report also says 854 admission of guilt fines were paid to the value of R498,230, which is a drop from 993 fines worth R654,250 paid in 2012-13. Admission of guilt fines are issued to minor offenders who are given an option to pay a prescribed fine instead of being tried by a court for that offence. A significant volume of environmental enforcement work is done using administrative enforcement tools such as the issuing of directives and compliance notices, the report says. Pre-directives and pre-compliance notices issued increased from 417 in 2012-13 to 495 in 2013-14, while final directives and compliance notices rose from 160 to 214. The number of facilities inspected for compliance with environmental legislation was reported to be 2,018 in the pollution, waste and environmental impact assessment subsector, and 830 in the biodiversity and protected areas subsector. In total 1,539 instances of noncompliance were noted in the 2013-14 period. Ms Molewa said as a result of follow-up inspections and ongoing enforcement, there had been a noticeable improvement in environmental performance in both the cement and refinery sectors. "However, it was necessary to step up enforcement efforts in the ferro-alloy, iron and steel industry, which has the potential to impact significantly on the environment. A number of long-term criminal investigations related to this sector have been finalised and dockets handed over to the National Prosecuting Authority to consider prosecution," she said.

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Oct 24, 2014 green (0)

PE school saves R30,000 in one month trial

SA loses almost 50 percent of tap water – worth a whopping R7-bil a year - according to a recent report commissioned by the Water Research Commission (WRC). But there is light at the end of the tunnel. A uniquely SA solution may yet save the day. The Water Saving System was installed in September on trial at a Motherwell, Port Elizabeth, school and saved them a whopping 85 percent of their normal monthly water bill. It also saved a substantial amount on their sewerage service charge – a total saving of almost R30,000 for the month.

This means that the Douglas Mbopa School would have paid for the installation of the trial AquaTrip system in its first month. Little wonder that Eastern Cape schools and the Nelson Mandela Metro are so excited about potential saving the installation of this Water Saving System offers. Port Alfred-based AquaTrip SA’s sales director, Chris De Wet Steyn, said that his company had been asked to demonstrate their high tech low-cost system in the light of the large amount of water loss taking place at the schools in the Bay area. Gerald Smith from GIBB Consulting and the technical officer at water and sanitation for Nelson Mandela Bay Metro, Shannon Barkes, had invited De wet Steyn to run the pilot trial installation. “Douglas Mbopa Senior Secondary was the ideal location for the test,” said De Wet Steyn. The school has 1350 learners and in excess of 30 staff in a 27-year-old building. “They were losing a lot of water the ablution facilities which are prone to leaks, negligence and vandalism,” said De Wet Steyn. He says he felt sure that his system would result in considerable saving in the water bill of the school, which “can ill afford such high expenses.” They were all shocked!

But AquaTrip was in for a shock.

De Wet Steyn says he had never imagined that his company’s system would rack up such savings for the school. In the month-long trial the water bill was slashed from R16,500 to a mere R3,138. Add the R11,232 that the system saved on sewerage fees for the month and it totals R29,848 – or almost R360,000 a year. De Wet Steyn says the Metro’s Barkas and consultant Smith were overwhelmed by the results of the pilot project and he expects orders to flow in – which will stop wasted water from flowing out. AquaTrip SA, as a socially responsible company and only uses local plumbing graduates from the FET Colleges to install their systems - under guidance of an onsite company representative. They are considering moving the manufacture of the product, patented worldwide, from China to SA once local installations increases. “The savings these schools enjoy can be spent on upgrading facilities like libraries, science departments and sports centres,” says De Wet Steyn enthusiastically. “I believe we will also instill a water-saving culture through these initiatives at these schools.” He envisages creating a corps of young ‘Water Warriors’ who could “emerge and choose a career in water management.”

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Proven: Pilot E/Cape School Reduces Water Usage by Over 85% in the First Month!

The Case for Permanently Installed Water Leak Detection Systems Towards the elimination of water lost to leaks, wastage and vandalism in Public, Private and Commercial water usage facilities



AquaTrip Saves School R29,848 in 1 month AquaTrip was invited by Mr. Gerald Smith from GIBB Consulting and the Technical Officer at Water and Sanitation Nelson Mandela Bay Metro Mr. Shannon Barkes, to install the AquaTrip Water Saving Systems on a trial basis for a one month period at the Douglas Mbopa School in Motherwell. This test was required in the light of the large amount of water loss taking place at the schools in the Bay area. We were asked to set up a pilot test for the month of September to show the Savings that could be achieved by installing the AquaTrip systems in areas of high water consumption. There was no better test than Douglas Mbopa Senior Secondary School in Motherwell having 1350 students and in excess of 30 staff in a 27 year old building.   Due to the high water usage in school ablution facilities we know they are always prone to leaks, negligence and vandalism, which results in very high water bills that can ill be afforded by these institutions. 1WE SAVED DOUGLAS MBOPA ALMOST R30,000 DURING THE TRIAL MONTH! HOW PREVIOUS COSTS WERE CALCULATED: Upon receipt of the 6 months previous water statements dated March 2013 - August 2013 we noticed a discrepancy between the meter reading on the 5th September {13464kl} and the water statement end August {11710kl}. This is explained by the meter having last being read in June and so a monthly estimated reading had been taken for the past 4 out of 6 months statements due to the meter box cover being too heavy or there not being a key to fit. We took a base reading on the 5th of September 2013 which read 13464Kl and on the 4th of October we took another reading which was 13887Kl.   This resulted in the AquaTrip Systems reducing the school’s water consumption in 1 Month to 423Kl. The average water consumption during the 6 Months prior to the AquaTrip being fitted was 2244Kl pm with an average water bill of R16,500. We have been able to reduce this to a mere R3,138 pm (water cost based on 7.42kl). This equates to Water Saving of over 85% within the first month! This saving excludes a significant further saving by reducing the sewerage charges (which are based on water consumption). From an examination of the monthly Municipal accounts it is evident that the sewerage is equal to the water account plus 12.8%. The average monthly sewerage account in the 6 months prior to fitting the AquaTrip for a one month trial was R18,616 pm. The Total Saving in water and sewerage as a result of the AquaTrip since being implemented is R29,848 per month compared to the previous 6 month average.

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Water Savings only .If you add the saving on sewerage then the total average saving per month equates to R29,848 • Average cost per Kl = R7.42 • Based on the cost of AquaTrip Systems of R2,650 Excl. VAT each and installation costs in this example the AquaTrip will pay for itself within ONE MONTH. Installation costs will vary from site to site. • Figures based on the Municipal Water Statements received from Douglas Mbops’s Principal Mr. Bottoman. • These figures exclude Sewerage Savings as shown on Douglas Mbopa’s monthly statements.   2. Cost The cost of the AquaTrip AT 201P unit will be R2650 Excl. Vat each. One AT201P to be installed on each water inlet to each ablution block. This price excludes the labour cost of fitting the AquaTrip which will vary from site to site and be dependent on existing pipe diameter and fittings required.   We estimate 1 hour labour per unit and it is difficult to estimate the cost of plumbing materials which are site specific. In each ablution facility we need to install a reset AquaTrip compliant motion sensor to reactivate water supply upon students entering the facility. These motion sensors cost R200 each and installation cost is dependent on distance of caballing required to link to the AquaTrip unit. In the case of Douglas Mbopa we used 24

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