A report on Inundation Scenario in Nadeem Colony, Hyderabad

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APARDAs a result of the above the fore shoreareas of the tank were flooded in the 2000 rainswith the water level rising to about 7 feet fromthe road level. As per the information from theresidents one hour’s rain is enough to flood theareas near the water line. This has been arecurring feature every year.Since the foreshore area is denselypopulated and affected practically duringevery rainy season, GHMC appointed KirloskarConsultants Ltd. Pune (KICONS) to study themeasures for alleviating the sufferings of theresidents. The Consultants submitted their<strong>report</strong> for Designing, Planning and estimatingthe costs for construction of Surplus weir toShah Hatim Tank to drain the excess water. Italso proposed a surplus channel to take thisexcess water from Shah Hatim Tank to LangarHouse. Length of this Surplus Channel wouldbe about 1110 m.Technical Features of Shah HatimTank:Technical features of Shah Hatim Tank asgathered from the Engineering Wing of theGHMC and the Report of KirloskarConsultants Ltd., are given below:1. Length of Tank Wall 756m2. Top Width of Tank Wall 5 m3. No.of Sluices provided 2 Nos.4. Size of Sluice 2.00mx0.60m5. Width of Moat adjacent to 3mTank Wall6. Catchment area of the 6.10 Sq.kmDrain(2.36 Sq.Miles)7. Total estimated discharge 44.746m 3 /secex.Tank (Based on UnitHydrograph Studies)(1580cusecs)8. Water spread area at MDDL 10.93 haof Tank(27.00 Acres)9. Area within Golf Association 18.62boundary wall10.Area of encroachment withinFRL of Tank(40.00 Acres)17.12ha(42.30 Acres)Vulnerability of Nadeem ColonyThe main reason for the water loggingin the colony is because the settlements cameup in the prohibited area of the Fore shore ofthe Tank. The rain water from the immediatesurrounding areas to the North of the tank aswell as the natural path of the water from thehigher areas further north is the cause forinundation. The construction workcommenced in this prohibited area from 1995onwards.Nadeem colony had experiencedflooding as under:ooThe residents experienced flooding forthe first time in 1995.In August 2000, the colony wasinundated up to 7 feet height water,nearly 500 houses were submerged7
and nearly 2000 people wereevacuated and put in a school.o On 24 th July 2005 the colonyexperienced 46 mm and water in ShahHatim tank has reached FTL.o In August 2008, the colony wasinundated with 5 feet height water; Asa result of 180mms rainfall in two days,around 70 people were evacuated andput in Mosque and schools.DamagesThere are no major damages to thebuildings of the community as most of thebuildings are pucca /RCC roofed buildings.However, some repairs were carried out to thewater lines. The stagnant, contaminated wateralso affects the piped water supply. Due to thisthe residents have difficulty to have sufficientdrinking water and secondly children, areeffected by water borne diseases.The above picture shows a part of thecolony where the residual water has turnedblack due to the sewerage water getting mixedwith rain water.Measures taken byGovernmentThe GHMC and the DistrictAdministration had taken response measureslike issue of warnings and arranged evacuationof the affected population to temporaryshelters in the safer areas in the local schools.Five vehicles (with a capacity to carry 5-8people with luggage) from enforcement wingwere used to evacuate the people from thisarea.GHMC established Emergency ControlRoom at Red Hills. Four member team wasformed in GHMC to initiate the responseactivities. This team was headed byCommissioner, Central Zone and othermembers were Deputy Commissioner,Executive Engineer, (Maintenance) andAssistant Medical officer. One more team fromRevenue department also attended to theresponse activities.As there are only two sluices to drainthe excess water, the engineering departmentof GHMC started cutting a channel, afterobtaining permission from ArchaeologicalDepartment, from south west to dispose thehigh flood water.In 2007, the Greater HyderabadMunicipal Corporation (GHMC) started diggingan additional channel to drain out the excesswater of the Shah Hatim tank.GHMCsanctioned Rs 50 lakhs to deepen the trenchAPARD 8
Page 3 and 4: type of situation was not experienc
Page 6 and 7: The area to the Northwest, North an
Page 10 and 11: to a depth of three metres up to a
Page 12 and 13: APARDDisinfectants were sprayed and
Page 14 and 15: measures should be included in admi
Page 16 and 17: I N D E XSl. Subject Page No.No.1.
Page 18: A REPORT ON THE INUNDATION SCENARIO

A report on Inundation Scenario in Nadeem Colony, Hyderabad

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