P R I S M [SEPTEMBER 2017 EDITION VOLUME 4] Brief history of ’s water supply! • Lake which is located 10 km south of Pune city, was created by damming of the Ambil river. • This historic water supply system comprises huge ducts and underground tunnels originating from Katraj Lake of the city to the historic Shaniwarwada Fort, the ancient seat of the Peshwas. Fig 1, Katraj Lake • This underground water supply system is considered an engineering marvel as it could supply water to practically the whole of Pune then without the need for motors and pipelines, which are used at present. • This scheme played vital role as Pune was flooded when Panshet tumbled down in 1961. The Panshet breakdown. Half a century ago, the new under-construction had started developing some problems, even before it was complete. Against some recommendations, the dam was being filled up during the 1961 monsoon season. Cracks started developing. Due to the efforts of Army Jawans, the inevitable was delayed by a few hours. If not for this great effort, where thousands of sand bags were deployed, the dam would have burst in the middle of the night, creating havoc for the sleeping residents of Pune.The precious time saved meant that the burst happened early morning and the wall of flood waters reached Pune later in the day. The deluge of flood waters of Panshet also broke the smaller , further downstream. The low lying areas of the old city were almost completely submerged. Except for the Bund Garden Bridge, all the bridges were under water as well. The floods completely cutoff the electric and water supply. Some people and rescue workers were trying navigate , FC/JM Road areas in small boats. An estimated 1,000 people died from the resulting flood.

Fig 2- Lakdi Pul, during the floods and the present state. Current water status Punekars use the waters of the Mutha from the Khadakwasla reservoir. Dams at Panshet, Warasgaon and Temghar supplement the storage capacity of Khadakwasla. The Katraj and Pashan have a significant role in recharge of ground water which is used by thousands of Punekars. Water treatment plants have been built by PMC at Parvati , Pune Cantonment, Holkar Bridge (new and old), Wagholi and Wadgaon. Untreated water from the dam may contain dirt and germs. It is treated by PMC to make it safe for consumption and use. The treatment involves straining, alum addition (flocculation), settling, filtration and chlorination. Water is supplied to different parts of the city through a network of pumping stations and pipelines. Since these water pumps run on electricity, the electricity bill is a large part of cost of distributing water.. UNCOMPROMISED SUSTAINABILITY • WATER • COLORDRY: PRODUCED 600,000 YARDS OF FABRIC, SAVING 20 MILLION LITERS OF WATER • ColorDry Polo delivers brilliant colors with minimal environmental impact.It takes 30 liters of water to dye a T-shirt using traditional dyeing methods. ColorDry technology removes water from the dyeing process by using recycled CO2 to infuse fabric with intense, saturated color. The technology also saves energy and eliminates the need for added chemicals in the fabric dyeing process. • WASTE • RECYCLED POLYESTER: NIKE IS THE WORLD’S TOP USER OF RECYCLED POLYESTER IN THE APPAREL INDUSTRY, WITH 39% OF GARMENTS CONTAINING POLYESTER WHICH IS RECYCLED. • The breakthrough of waterless dyeing is combined with another sustainable apparel innovation: recycled polyester. The ColorDry Polo is 100 percent recycled polyester, made from polyester manufacturing scraps and recycled plastic bottles that are washed, chopped into flakes and melted down to produce fine yarn used to create the polo's fabric. • An equivalent of nine recycled plastic bottles is used to make each polo. Since 2010, Nike has diverted more than two billion bottles from landfills, enough to cover over 3,500 full-sized soccer pitches. • NIKE GRIND – A PALETTE OF PREMIUM RECYCLED MATERIALS IS USED IN 71% OF NIKE FOOTWEAR AND APPAREL PRODUCTS, IN EVERYTHING FROM YARNS AND TRIMS, TO SOCCER KITS AND BASKETBALL SHOES

• NIKE Grind is a premium materials palette born from a regeneration process of original materials and products. NIKE Grind is redirecting millions of pounds of manufacturing scrap and old shoes into new uses. Waste streams – including rubber, foam and textile scrap – are transformed into new, premium materials. NIKE Grind delivers on NIKE’s expectation that materials and products will perform beyond a single use, living on from one product to the next. • NIKE’s Reuse-A-Shoe program has collected and recycled more than 30 million pairs of used shoes. NIKE Grind materials have been incorporated into more than 1 billion square feet of sports surfaces, such as running tracks, soccer and American football fields, gym room floors, and playground surfaces.

References: http://government.wikia.com/wiki/Water_Supply_in_Pune http://epaper.timesofindia.com/Repository/getFiles.asp?Style=OliveXLib:L owLevelEntityToPrint_TOINEW&Type=text/html&Locale=english-skin- custom&Path=TOIPU/2013/07/12&ID=Ar00601 https://about.nike.com/pages/sustainable-innovation