“Nothing in the world is more flexible and yielding than water. Yet when it attacks the firm and the strong, none can withstand it, because they have no way to change it. So the flexible overcome the adamant, the yielding overcome the forceful. Everyone knows this, but no one can do it."Lao Tzu quotes (Chinese taoist Philosopher, founder of Taoism, in "Tao Te Ching" (also "The Book of the Way"). 600 BC-531 BC)
Table of Contents
Like all other buildings, Why dont we have overhead tanks ? Shouldnt that solve the low presuure at higher floors problem?
Water Quality Updates
Sent: Friday, 31 May 2013 12:08 AM Subject: Re: [OwnersAtAlpineECO] Alpine tap water measures 846 ppm Here is a clarification of the Hardness Vs TDS from the professional. We may have inadvertently mis communicated in the past and this should clarify doubts. Hardness and TDS in water are two totally different parameters. HARDNESS Hardness refers to scale formation tendency of water, contributed in the main by Carbonate and Bicarbone of Calcium and magnesium, which are less soluble in water and therfore tend to precipitate out and form scale ( encrustation )in the plumbing system and other equipments. The precipitation and scaling becomes more severe under high temperatures and hence geysers etc. are more vulnerable. In order to obviate this problem, softening is carried out. Softening very simply means replacing the Calcium ( Ca) and Magnesium ( Mg) in the water with Sodium ( Na) using a Sodium based Ion Exchange resin. Sodium salts are highly soluble in water and hence do not precipitate out or form scale. Therefore, in the process of softening we only exchange one ion by another, without reducing the total ionic count or salt / dissolved solids concentration. Hence the Softener is regenerated using common salt ( NaCl ) to replenish the Na required for this ion exchange reaction. TDS ( TOTAL DISSOLVED SOLIDS) TDS is a measure of ALL ions in water including Na, K, Ca, Mg, Cl, SO4, NO3, CO3, HCO3 etc. TDS can be reduced only be demineralisation or Reverse Osmosis. This process reduces all the above ions, and hence TDS comes down. A WTP with only a softener cannot reduce TDS. Regards. Dr. Ananth - Ecotech Our WTP reduces hardness. Reduced hardness means lower corrosion and better longevity of hair, equipments , pipes and clear bathrooms/kitchens due to lower sedimentation/calcification. We do not have a RO plant as it has high water wastage and we do not need it everywhere. So our initial goals of reducing hardness is met. If there was a communication which used hardness and TDS interchangeably then we do apologise. The TDS now is of soluble slats that don't calcify since they are sodium based. The earlier TDS was calcium and magnesium based leading to heavily calcified deposits. Summary: We get raw water with hardness above 600ppm and the salts are of calcium and magnesium. If we use it without treating then there is heavy calcification on walls, floors, pipes, geysers and other equipments. Our WTP reduces the hardness to between 200 and 300ppm and replaces the harmful calcium and magnesium salts with sodium salts that are highly soluble and do not calcify. Our target hardness was about 100ppm but we have not been able to achieve it yet. We are working on it. I hope I have answered queries about Hardness vs TDS. KC
From: Kuldip Chakraborty Sent: Wednesday, 19 December 2012 8:20 PM Subject: Re: [OwnersAtAlpineECO] Water Supply: Looks dirty water is coming out of TAP Nagraj has visited most flats today after the complaints were raised. Summary of events - No flat had any murky water when Nagraj visited this afternoon - Everyone who had registered complained that water was murky in the morning hours - The water in the final tank was clear at the the time of investigation Plan for tomorrow - Nagraj will be here at 6AM - He will collect samples every hour from the final tank - When you see murky water please call him immediately and reply with your phone number and flat number on this thread The more(and quicker) you call in the better our chances of finding and fixing the problem. Nagraj - 9008305608 This is an issue that is not very easily reproducible. So please call as soon as you see murky water. We will try and reproduce the same cycle of WTP operation tonight and hope to catch the issue as it happens tomorrow morning. It will be easier to pin point the problem once we see the issue occurring. Regret the repeated occurrences of the issue. KC
From: Jit n Ipsita Bose Date: Tuesday, 19 June, 2012, 7:44 AM Good Morning! Please allow me to share important extracts of report by two of the foremost experts in the field of Water and Water Treatment in Bangalore. -Mr S S Ranganathan & Dr Ananth Kodavasal. Some of us have been keenly working for many months and perhaps years, on an end-to-end solution and trying to involve and share true information for such a huge investment: A) Extract of Report from Water Expert who visited for Site Inspection at Alpine Eco on Sunday, 29th April 2012. Mr S S Ranganathan has been for many years a Senior Professional with Ion Exchange and is a widely acclaimed & trusted Consultant in this field. 1. STP Quality of water is bad. ‘The STP has been designed to handle 450 KLD (i.e 450,000 litres of sewage per day). In my opinion, the used water/sewage coming from the apartments may be more than 450KLD.The STP design is not correct. I got a print of the drawing from you and I found that there is no clarifier in the STP although there is a clarified water tank. The STP has been put up in an an extremely awkward way in a part of the basement which would not be suitable for any other use. I also noticed that the Filter Press in the STP has never been used since the sludge has never been seperated from the sewage efficiently( no clarifier) so that sludge can be filtered, de-watered and then disposed of as compost/manure in the gardens. The STP is based on a widely used process/design known as the " Activated Sludge Process" (ASP) which is an essentially aerobic process that needs large volumes of fresh air. This is simply not available in an underground basement.’ 2. ‘Rain water harvesting (RWH) is something that is absolutely essential and is imperative if you want sustainability of the way your community lives. Your builder has done nothing to harvest rain water and if he has shown your community something that the builder calls RWH, in my considered opinion what has been done is useless and utterly pointless. Drilling any new well or trying to deepen existing wells will be futile and I advise against it.’ 3. ‘It is obvious that you will need to get agencies/companies that will study the existing STP and RWH possibilities and give proposals for rectifying the STP and RWH and give proposals to renovate/rectify what is there. These are likely to be expensive and my last 7 to 8 years in this field shows me that communities like yours will veto any such proposals.’ B) Extract of Report from Water Treatment Expert who’s methodology for a STP plant has been endorsed by Karnataka State Pollution Control Board. Dr Ananth after several visits over several years upon our request has given a detailed rectification plan for STP & WTP based on his visit. Please view Dr Ananth Kodavasal’s ‘STP Guide Design, Operation & Maintenance’ Manual that has been published by KSPCB. www.kspcb.gov.in STP INTRODUCTION 1. ‘Alpine Eco Apartments ( AE ) is a multi storeyed Apartment Complex, in several blocks, totally consisting of nearly 700 apartments off Outer Ring between Marathahalli and KR Puram. AE has a Sewage Treatment Plant ( STP) said to be designed to handle daily average sewage flow of 450 cum/d. The STP is poorly designed, poorly engineered and in consequence, poorly operated. Treatment of sewage is not proper, as evidenced by lack/ absence of biological growth, no excess sludge production and the defunct sludge dewatering filter press. The Biological treatment/ stabilization system consists of an anaerobic digestor, followed by an aerobic stage, both stages suffering from poor design, engineering and lack of thorough knowledge of working of such systems. AE invited Ecotech to study the STP and recommend modifications/ improvements/ up gradation to the system to handle a design flow of 500 cum/d of sewage. Following is our inspection report, our observations and recommendations for the up gradation works at the STP.’ Such work needed urgent & immediate commissioning at Alpine Eco because the Anaerobic process (used only for industrial STPs) built by Alpine Housing which dangerously encases Methane as a by product of this treatment plant placed in the underground before the Temple premises and beneath PA & PB blocks. This is highly hazardous to life, building & property and the cost estimates are high only because the re-engineering is needed in detail to convert this to an anaerobic plant that would not produce harmful gases like methane and H2S. All other solution providers of STP were unable to take such large scope of work giving 100% guarantee of the desired results and benefits over a period exceeding 5 years. Dr Ananth Kodavasal, not only agreed to adequately modify our plant to safe standards, but run and operate it definitely for the 1st year of operations but would be happy to continue operating the units (WTP & STP) in the years to come. Keeping in mind the need of the hour and the governing by-laws, refer to Point No. 10.K) 'In emergent situations the President and or the Secretary can take decisions which maybe even outside the purview of the by-laws but will seek ratification for such decisions from the Committee in the next meeting.' Anyway, the SGBM when called, in the correct course of time, will wait for members to ratify this spend or continue to risk their lives and property. It will be an easy decision to arrive! Thanks & regards, Ipsita
Short term situation management. A) Contract and cap on the amount of water supplied on a daily basis. Use penalty to suppliers who fail to supply contracted amounts. Amount awaiting approval. B) Put a control on the spending. C) Place a docking station and have all water delivered through meters. No human interface. - All owners of tankers have agreed to abide by this procedure. Now this needs an approval on this amount to spend from the MCs Long term improvement of water situation. A) Need BWSSB water connection. It's charged at Rs 36 per 1000 ltrs against tanker charges of Rs 63 - 70 per 1000 ltrs. It's a one time large investment B) Need to repair at least 5 bore wells and bring them back into working condition. Estimated costs Rs 10lakhs, need approval from MC. Place a servicing cost per month to maintain the same after repair. The update: The initial meeting and identification of 6 preferred water supply vendors have been done out of 9 vendors. 3 new vendors have been identified and brought in. Report submitted. Costs shared. Draft of agreement also shared. Now the rest remains for the MC to act before implementation date 1st Oct, 2012. The next POA is for MCs to direct and inform volunteers of the way ahead.
From: Ipsita Bose Sent: Monday, 21 May 2012 4:17 PM Subject: Re: what do we need to make water situation better? Dear All, For now since the study is still ongoing, I'm sharing the details of the meeting I had with Mr Gokul from Global Envirotech and Mr Paresh of Regulus this morning. Gokul will submit a detailed report by this month end. And he needs a sanction to get the water in Tank C tested after we have started to manually induce chlorine and also the STP final tank. Water & WTP: I: Urgent Jobs a) Need to epoxy paint the pipes. b) Change some very rusty and corroded pipes, and change 2 inch incoming pipes to 3 inch c) Purchase new meters for the filtration cylinders. d) Repair 1 pump that is not working - pumping from Tank B to Filtration Cylinder 1. e) Purchase the chlorine injection pump and install into unit or install the unit in STP unit. II: Remaining Jobs a) Install water meter for incoming water from Tank B - This will help tally the quantity of water supplied by Tankers vs actual water. b) Change Filtration Cylinder 1, sand - 3+ years old - approximate cost Rs 40,000/- c) Change Filtration Cylinder 2the resin - also 3+ years old - Cost Rs 350 - 380 per kg. Gokul to confirm how much resin will be needed. d) Tank C is perhaps leaking as there is water seepage noticed in the car park area under Block PB1. STP: I: Urgent Jobs a) Grit remover - Bar screen is corroded and needs replacement b) Equalisation Tank - Aeration Tank the pipe is 2" dia, needs to be increased so that it can handle the rush of water during monsoon. c) Industrial Fan for circulating fresh air close to the blowers Cost estimate between Rs 8000 - Rs 12000 per fan. d) Chlorination in the final process e) Use of chemical 'biocid' till the plant is revamped and in good working condition. II: Remaining Jobs a) Stop all rain water and exposed drains to carry excess water to the STP b) Sludge removal machine to be reinstalled c) Methane collected to be pumped out. d) Improve the condition of the Aeration Tank - by allowing increased circulation of oxygen. Gokul will also provide details of those who can help in RWH. Expecting his detailed report. Thanks & regards, Ipsita
- Some flats continue to get worms in their water. To combat this, do try and use a ZERO-B SURAKSHA-TAP.
Water Survey Link and Responses
From: black_beast_at_eco Sent: Wednesday, 11 April 2012 11:19 AM Subject: [OwnersAtAlpineECO] Re: disinfecting ... MC ... a water expert's view Here is another response: Consider using an online chlorinator between your sump tank and the overhead tank Automatic Chlorine dosing systems would need a storage unit of about 200 litres for the chlorine. This chlorine will be pumped into the water as the water is being pumped from the sump to the OHT. The model CDS-1 from Ion Exchange costs about Rs 21,000 + taxes. The need for this can be decided upon based on collected rainwater samples. A Sand filter can be added to this unit if the turbidity is high. A Pressure Sand Filter costs about Rs 20,000 + taxes etc. More details can be got from Mr Jolly - 9342433265 Hope this helps . Please do get the water treatment system working and please do get the storage tanks sealed ." --- In OwnersAtAlpineECO, "black_beast_at_eco" wrote: > I had a conversation with Mr Vishwanath, who is registered as a Water Expert on the IndiaWaterPortal site. > I asked him a question about "worms in the pipeline and what could be done". > After hearing our story, he had suggested that > "We should use around 1kg/lakh litres of bleaching powder in our main water tank every day for one week." > This would disinfect the water tank and also when we pump this water it will disinfect the pipelines too" > Can MC facilitate this? This could be a stop gap measure until we get any other consultant to give us more information.
Testing agency is A R Labs and Calibrations
Below is the escalation matrix for better / quicker response.
1) Please call upon Security @ 6152 and lodge a complaint.
2) If possible try to take 5 mins of your valuable time and walk down to main gate and lodge a complaint in the register and talk to Plumber directly. After-all this is your work too. You are living in this society and its your duty also to co-operate and volunteer on-ground also ( just 5 mins )
3) If there is no response, please call upon Estate Manager ( night shift NAGARAJ / morning shift MANU ). 4) If there is no response, please escalate this to Water Team ( Sridhar / Prachi / Amit / Animesh / & team ) on phone. Note: The names would alter every 3 months based on the GOVs availability.
ABOVE steps are for quicker and better response. This helps us to solve most of the problems (then and there itself ).
By doing this, you can actually save time. Water Team may not be able to read emails and respond on 24X7 (immediately). It may take sometime for them to read their personal emails ( apart from their office work and respond ). By following the above process, you can actually save time for both sides and at the same time we may get a solution without any hype or hungama.
BELOW steps are for escalation. ( after you follow above matrix and did not get positive response ).
1) If you are not able to get a positive response from above, please drop an email to water-team (sihtevomer.moc.spuorgoohay|retaWocEeniplA#sihtevomer.moc.spuorgoohay|retaWocEeniplA)
2) If you don't get a response from Water Team, please drop an email to the AEO group and escalate the issue.
In-emergency, you can actually follow all the steps in parallel. But please make sure you don't just drop an email and forget it. Please do your part also and contribute for the well-being of your-self / your family and for your fellow residents.
What you need to know
- Water in the entire complex is supplied by a combination of borewell water and water supplied by water tankers from external vendors.
There are 3 tanks. Fire tank, Filtration Tank, Distribution Tank. Water from tankers and borewells come to Fire tanker (7Lakh Litre capacity). 3.5 Lakh litre should always be maintained in this tank. In case of any fire emergency, water from this tank would be used. This tank is connected to Filtration Tank. Water flows from Fire Tank to Filtration tank automatically. For this water needs to be maintained at a certain height in Fire tank. If the water is not maintained at the specific level, then the tankers have to be emptied in Filtration tank directly ( which is not at all recommended). Filtration tank filters the water and sends it to Distribution Tank from where the water is distributed to all apartments.
1.At present there are two vendors - Reddy's (under 3 different names) and Balaji's who are contracted to supply 50% each of daily required tankers.
2. In normal situations 20-24 tankers are ordered per day. We have been able to reduce the numbers to 10-12 tankers a day with STP switched on.
3. When the water level in fire tank falls below a certain level, water does not flow to filteration tank, then more water needs to be ordered to put the water to proper level so that water flow to all tanks is maintained.
4. Whenever STP is switched off, water consumption increases. The days when STP is off, and water level is not being maintained properly, around 50 tankers per day are being ordered.
5. Water offloading pipes have been installed outside the Alpine boundary but the level and size of pipes is not proper and it is very slow to have water from tanks offloaded through those pipes. This is not used as of now. A wa
1. Water tankers have to come inside the gate to pour water in the tank. This causes (1)wear and tear of the tiles (2) unwanted traffic inside apartment from security point of view.
2. Security manually checks the level of the water in the tanker before offloading and after offloading. How properly this is being followed is not sure.
3. The outside offLoading water pipes need to be tested and corrected once the outside road is leveled
4. Main distribution water tank is outside the boundary wall without any lock on its cover and is a potential danger for all the residents. The iron cover needs to be secured with a lock. The keys of which should be with security.
5. Filteration tank's cover right now is a heavy cement cover, lifting of which is a major pain requiring a couple of security guards. That needs to be replaced by a lighter cover preferably metal
6. A third vendor is being pushed on to us, which MC needs to decide on.
7. Water tends to get expensive in summer time. We need to enter into a contract with the vendors to keep the cost same through out the year.
STP ( Sewage Treatment Plant)
There are 3 tanks. All sewage flows in basement and goes through a filter which collects all the sludge. This sludge is the food for bacteria which filters the water and it flows to tank 2 from where the water is passed through sand filters and then goes to tank 3 from where it is pumped to flushes.There is also a big filter which is supposed to remove the smell from the water. There are 3 pumps that need to be run 2 at a time. STP water is used only for flushes and washing cars and gardening. At present STP is shut down intermittently functional. In such cases we have to pump out filtered water/treated sewage out of Alpine. For this BWSSB/BBMP needs to give us permission. At present we are flushing the filtered sewage out and we do not have any permission. The residual sludge ultimately breaks down as powder or sediments down and is cleaned once in a year.
1. Design for the STP has not been handed over to new MC. Need to check if the vendor (Enviro) has the design.
2. Pipes for Water outlet from 3BHK to STP brought fresh water from rains into STP due to which STP had to be shut down. Pipes were being corrected/repaired but Rajshekhar ( the main plumber ) has been missing for a couple of days and no one knows how much has been fixed. Hypothetically, till next big rains come, the piping system cannot be tested.
3. Urgently need to get a third party consultant to review/audit the condition of STP
4. Automatic Control Unit needs to be automated. At present, manually the pumps have to be switched to operate in cycles.
5. Smell removing filter is not operational
6. Vendor should ideally do STP water test periodically and give lab reports - which has not been happening
7. On manually checking the treated water at the final tank, it looks clear without any smell. But in our flushes it comes dirty with bad smell. Need to figure out why and where is the disconnect.
8. Pumps need to be serviced.
9. Pressure gauges do not work
WTP (Water Treatment Plant)
WTP is located below the Filteration tank in the basement. Vendor is IonExchange. A guy from vendor monitors the WTP for 8 hrs in a day and check the Ph level of water. He has to put proper salts and chemicals in a tank after which the water goes through sand filters and is finally send to main Distribution tank. Salt is put only for 8 hrs. For rest 16 hrs there is no chemical filteration at present done. Contract with the vendor is for salt and person for 8 hrs in a day only.
1. Water should be tested periodically in labs by the vendor and we should get the report. This is not being done.
2. Need to make sure that salt is put in the filtration drum for whole 24 hrs and need to see if this requires 24 hrs periodically monitoring
3. Audit is required by consultant to see if WTP is functioning is working as it should.
4. Pressure gauges do not work
5. Motors need repair and maintenance. One motor is not working and the other one is leaking.
These motors pump the fresh water from main distribution tank and are located between WTP and STP in basement. Vendor - Kirloskar. There are pumps of 7.5 HP each. 2 motors always need to be running. 1 is backup. These pumps should maintain 6.5KG pressure ideally on all floors which has not been tested. Motor operation has been automated.
1. 1 out 3 motors is not functioning. Needs to be repaired
2. Pressure gauges do not work
3. Need to get an Audit from a consultant to see if we need another set of pumps to assist water pumping to maintain the correct water pressure on all floors
Out of 20 odd borewells , none are working as their depth isnt enough(150-300ft). Heard that neighboring Tulip dug a borewell at 1000 feet and they are fully self sufficient through the summer.
There are supposedly 18 borewells out of which 3 are non recoverable as their pumps have fallen down. But plumbers tell there are only 9 borewells functioning. There is no mechanism at present to see which borewell is not functioning or how much water it is sucking out. There is a Control panel to operate the borewells in the basement. Borewells are grouped in 3 and groups are operated in sequence of 15 min each. There are some cycles that give good water and some do not give any. Plumbers are supposed to manually go and check the panel. If the pump does not work or there is no water, there is an indicator in panel and it needs to be reset to be able to run in next sequence.
1. If there is no water and the sequence is not shifted by a cycle, then the pumps keep working till the next sequence which is a sheer waste of power
2. No way to measure how much a borewell is extracting. Meters need to be installed on the borewells outside on pipes to measure the volume of water
3. Most borewells do not have any covers and there is a lot of garbage collected in the pits. Need to be covered
4. Need continous monitoring if have to be operated optimally
5. Operating panel has numbering which is not very clear
Rainwater Harvesting (RWH) and Storm Drains
According to what has been told to us by Alpine plumbers - All terrace water from 2BHK is directed to rain water harvesting pits that are in open parking area towards 2 BHK. None of the 3 BHK terraces harvest rain as they are private terraces. There are two narrow drains next to fountains that have pipes connected for RWH. All around the open parking and in basement there are drains covered by holed covers - those are Storm drains. At present we do not utilize the water collected in Storm Drains. There are 5 Storm Drain motors that flush the water out of Alpine
1. Blue print of RWH design is not there in the handed over designs.
2. RWH pits have never been cleaned. Ideally they should be periodically cleaned so that water can filter through the ground and recharge the ground water levels
3. The pit covers are so solid cement heavy blocks that cannot be lifted easily
4. Pit infront of open parking# 37 is damaged and have connection to Storm Water drain. Needs to fixed
5. Storm drains need to be cleaned as a lot of construction debris has fallen into them.
6. Many covers have been broken for storm drains. Need to be repaired.
7. Storm water is not being utilized. Need to send it through a filteration plant and use it for gardening/car washing/housekeeping.
- coordinates of the person who has done many RWH projects in Bangalore and currently in discussion with people in Income Tax layout:
Name: Mr Shivaprasad Mobile: +919845802077 I understand his specialities are a) converting into drinkable / potable water that can be connected to the sump and b) re-energising the dried bore wells by re-directing the remaining water
Fire Water System
The motors and machines are there next to WTP under fire water tank. They have not been handed over to MC. Ideally needs to be audited under Fire testing.
1. Fresh water pipes that run along the ceiling in basement have a valve for each tower. No one has a clear idea what their usage is and how much should it be opened. Independent complete water audit is required for the whole apartment
2. water pipes are getting rusted. need painting/other maintenance
- http://www.indiawaterportal.org/ask/10077 : a useful link that describes the cost of water meter and contacts for getting them.
FLUI-TEC INSTRUMENTS & CONTROLS
415/B-2, 20th Main, Rajaji Nagar, 1st Block, Off West of Chord,Bangalore - 560010, Karnataka, India
Mr. Raghu Raman (Director)
Mr. Raju B. G. (Director)
Like all other buildings, Why dont we have overhead tanks ? Shouldnt that solve the low presuure at higher floors problem?
This technology is very much in use in Industries and on board ships. The tank which is pressurized is called a hydrophore tank. There is some amount of air in the tank which get pressurized when pump pumps water into the tank and this air pressure in turn is utilized to supply water to all floors. The advantages are that uniform pressure is maintained across all floors. In case you have a tank on top of the building, the pressure of water on first floor will be so high that the tap fittings and pipes will give way fast. The only thing that should be taken care in this system is that the level of air in the tank should be maintained, failing which the pressure variance will not be sustained and top floors will face difficulty during peak requirements.
I stay on the top floor and face water supply pressure problems. How can i solve it ?
Sent: Tue, 8 March, 2011 11:52:49 PM
I request all the residents to drop a mail to Alpine in the following IDs, every time you face no water in the taps due to low pressure.
Kabeer Mail Id: moc.gnisuohenipla|dmces#moc.gnisuohenipla|dmces
Alpine Customer care Id: moc.gnisuohenipla|noitalerremotsuc#moc.gnisuohenipla|noitalerremotsuc
Let us start mounting pressure on the builder to fix low water pressure problem using mails. Based on the outcome of the response of the builder we may need to take it next level.
Once ground floor illegal flats are occupied, situation of water is going to be worse.
Thanks for helping on this.
To: moc.gnisuohenipla|dmces#moc.gnisuohenipla|dmces; moc.gnisuohenipla|noitalerremotsuc#moc.gnisuohenipla|noitalerremotsuc
Sent: Tue, 8 March, 2011 11:56:23 PM
Subject: [alpine-eco] Water woes
Hi Mr Kabeer,
We do not get water in higher floors of Alpine Eco during peak hrs of morning when I need to get ready for office.
You have given power-starved water pumps for the apartment which can not serve these many flats till 11th floor.
Fix the problem at the earliest.
<yourname & flat/block>
Did you know ?
- That our apartment complex does not have any Overhead Tanks. Instead water is supplied by means of a pair of hrdro-pneumatic pumps. While there are certain advantages in having a hrdro pneumatic system in theory, in practice overhead tanks are an option easier to implement and maintain.
- in 2010, That on an average, our water expenditure alone comes to about Rs 3.5 lakh a month. Divided by 800 flats, thats an average water expenditure of about Rs 450 a month per flat. In Mar 2011 Feb, our average water expenditure comes to about 5.5L /month, which divided by 800 flats is about Rs 650/flat/month. In Oct 2012 this figure touches 9-11L/month for a daily consumption of 3.5L ltrs.
- Cost of BSWWB water: Rs 36/1000 ltrs (Dt 2012)
- Cost of water from water tankers : Rs 63 /1000 ltrs (Dt 2012)
- That each water tanker carries 8000L and it takes about 15 mins to empty the water with a 2 inch dia pipe into the WTP.
- When water is consumed by people living in a residential complex without access to an underground sewerage/drainage system, the amount consumed is estimated to be 135 lpcd(in litres per consumer daily) . Mega cities with sewers/proposed – 150lpcd (On an average, a US resident is said to consume 300 lpcd). Refer the Central Public Health & Environmental Engineering Organisation website for more information.
- That we have about 20 borewells out which none are currently functional. They have either dried up or the pump drawing water from the borewell has fallen into the borewell
- DidyouKnow: Last week, 45-50 tankers brought about 462800ltrs of water daily, to cater to AlpineEco's water needs.
- http://timesofindia.indiatimes.com/city/bangalore/Harvesting-rain-woes-for-summer-redemption/articleshow/12409920.cms - Expalins how the trapping rain water into soak pits charged all bore wells and solved water problems in bangalore
- http://www.ted.com/talks/anupam_mishra_the_ancient_ingenuity_of_water_harvesting.html - the message from the desert tells us that if areas having 6cm of rainfall /year can have water all through the year, so can we, provided we know how to respect and conserve it.
- http://kscst.org.in/rwh_files/rwh_sourabha.html - Water independence in a RWH house
- India Water Portal
- Sustainable water for Bangalore
- Dept of Water and Sanitation, India
- Locate your nearest water quality testing laboratory
----- Forwarded Message ----- From: Estate Manager Alpine To: Paras Jain Cc: Jaiganesh Murugesan Sent: Thursday, February 23, 2012 1:35 PM Subject: Re: [OwnersAtAlpineECO] Stinking Water in the commodes Dear Sir, I would like to inform you that regards to the STP flush water we should not use fresh water due to water constraint. As per Global Envirotech statement STP Issues is given below :- Our STP plant capacity which is built by builder is for 2.8 lakhs liters per day and we have inflow of 4 lakhs per liter per day. As per provision given by builder all the waste water is connected to STP .We should have only sewage water in to the STP line, for better performance of the plant.For example.In STP we have observed waste oil,paints,acids, clothes, plastic and other waste things flow along with STP line which we are not able to arrest.As it is biological plant and the bacteria (Microbes) are dead.And the water quality start deterioration, it takes 15/20 days to breed again for the bacteria. We have 2 blowers in our STP plant In which one is break down.So we are not able to run the blower for 24 hrs.This is the reason we are not getting highest quality of water. As we have observed from couple of days we find the water is fine. As we have ascertained the repaired blower which is one of the local supplier at Delhi, so the spare parts of which is not available at Bangalore, as it we have to go for new blower.We have already taken the quotation & forwarded to MC and it is in the process to finalize . And takes 4 to 6 weeks lead time to get the new blower. Suggestion :-Previously we were using Biocid chemical for a month as trail, the result was good.If we start using the same chemical with extra cost of Rs.12000/- approx per month we can solve this issue. -- Thanks & regards Manu Kumar Mohanta Facility Manager Regulus
Save water Tips
- A humble request to all RO owners. I do practice re-user of drain water from RO. I use it to wash utensils. Just store the water in a small container with tap (water dispenser that we use for the 20 ltr water bottles ) and use it for washing purposes. Waster water to water ratio in residential RO systems is very high ( 3:1 or 4 : 1).
- Ways to reuse Greywater