Miraculous Save For Punjab, Massive Flood Underway In Delhi
Massive floods are under way in Delhi when over 4,10,000 cusecs of was released last night. Last month situation became critical when just 1,50,000 cusecs of water was released. Let me remind you Kosi was devastated by 100,000 cusecs of flows as stated by Bihar WR minister.
The cause of this man made tragedy are two Delhi Metro service yards in the middle of Yamuna that blocs more than 50% of normal flood passage on left bank and on the right banks we have Delhi Secretariat Building itself.
Akshardham Temple and Asian Games complexes also bloc almost 50% of the river flow.
Punjab had miraculous escape as god was more annoyed with Delhi government and poured more water in Yamuna Catchments than Sutlej, Ravi and Beas.
Punjab is affected by the rivers and all have huge dams. But due to Stupidity of BBMB who didn’t learn any lesson from 1988 tragedy the worst floods to hit Punjab.
From the 19th data of BBMB you can see that as heavy rains lashed Punjab and catchments of Sutlej and Beas in Himachal Pradesh inflows in these two dams was already 150,000 cusecs but Sutley and Beas releases were only 21,778 cusecs. Inflows peaked later when rains in Punjab and Himachal reduced just moderate level.
From the CEA document it is clear Ranjit Sagar dam on Ravi had filled to a quarter of its storage capacity therefore absorbed all the floods.
Threat to Delhi persists with over 4,09,000 cusecs of water released though getting partly absorbed in the 260 kilometer passage and reduced releases at Hathinkkund Barrage means less quantity of water shall be available to fill large area. Floods beyond the capacity of Yamuna to safely discharge floods lasted about two days when water releases reported were 3,80,000 cusecs and 4,09,000 cusecs on 20th & 21st. Thus roughly 0.8 maf amount of water will cause flooding – about a third of 1978 floods but for the congestions caused by encroachments explained earlier this flood would have caused small damage.
But 0.8 maf over a million acres is 10 inches of water. East Delhi and flood prone areas area around 400 square kilometers or 1,00,000 acres therefore good enough to submerge entire area under 100 inches of water. Any breach or overflow will be destructive. This time there no flooding in Najafgarh drain that passes through Delhi caused 50% of damage in 1978.
Dams on Yamuna must be built speedily. In the present situation storages of around 1.2 maf would have absorbed all the floods this year leaving not more than 1 lac cusecs to pass any point in Yamuna all the way Delhi up wards..
Ravinder Singh
September22, 2008
http://www.cea.nic.in/god/opm/Daily_Hydro_Reservoir_Level/hyd_2008_09_17.pdf
http://bbmb.gov.in/english/menu4.asp
Date
SATLUJ
BEAS
Inflows
(Cusecs)
BSL Contri.
(Cusecs)
Disch.
(Cusecs)
Bhakra Level
(feet)
Inflows at
Pong
(Cusecs)
Disch.
(Cusecs)
Pong
Level
(feet)
21/9/2008
87904
3414
21000
1680.07
64714
778
1386.75
Date
GENERATION
Bhakra Power
House (LU)
Canal Power
House (LU)
Dehar (LU)
Pong
(LU)
Total
(LU)
21/9/2008
257.5
29.74
3.49
26.83
317.56
http://www.tribuneindia.com/2008/20080922/punjab1.htm#4
Reservoir filled to the brim; BBMB increases generation
Tribune News Service
Nangal, September 21
The level of water in Bhakra reservoir today reached a maximum 1680.28 feet, 28 inches more than the complete filling mark.
The level of water has risen due to heavy rains that have lashed Himachal Pradesh during the past three days. BBMB officials said the water inflow in Bhakra reservoir was 1 lakh cusecs yesterday.
The inflow has now reduced considerably and there was no cause of worry, said sources. The maximum water level of 1,680 ft has come on the last day of official filling season.
Keeping in view the rising water level, the BBMB has increased power generation to utilise the surplus water available in the reservoir.
The scheduled generation for Sunday from Bhakra powerhouses has been increased to 1,398 MW. The actual generation was 1,426 MW.
The generation from Bhakra complex on Saturday was 206 lakh units, 98 lakh units from Dehar Power house and 22 lakh units from Pong powerhouse. The Dehar powerhouse has now been closed for flushing.
Notably, full generation capacity of Bhakra Complex is 1,445 MW and full reservoir level of Bhakra is restricted to 1,680 ft while keeping a margin up to 1,685 ft for absorbing any flood inflows.
In case the level exceeds 1,685 ft, the spillway gates are opened. Normally, by maintaining full generation at BBMB, the authorities are able to restrict reservoir level to 1,680 ft.
http://www.tribuneindia.com/2008/20080922/haryana.htm#1
http://www.tribuneindia.com/2008/20080921/haryana.htm#1
Discharge of water in Yamuna recedes
Tribune Reporters
Karnal, September 21
The local administration and flood-control authorities heaved a sigh of relief as the discharge of water in the Yamuna receded and the impending flood threat in two dozen low-lying villages along the banks of the river averted.
Chief Minister Bhupinder Hooda, who made an aerial survey of the area, said the situation was under control and everything was in place. “The discharge of water which crossed the high flood threat limit of 4 lakh cusecs yesterday has receded to 91,000 cusecs and there is no cause for anxiety,” superintending engineer (irrigation), M.K. Ahuja told TNS from the spot.
Meanwhile, Ghari Birbal village and the road linking Yamunanagar were submerged under 2 to 3 feet water, while Chowgaon village was marooned. The gushing water entered about a dozen houses in low-lying areas in these villages and the residents were evacuated.
A “rat-hole” at Garhi Birbal resulted in leakage and JCBs were pressed into service to plug the leakage. The operation “plug rat-hole” is in progress but little success had been achieved.
Floodwaters also seeped into Chandro, Hansumajara, Nagli, and Sayeed Chhapra in Karnal district, while Mundigarh, Lalupura, Bilaspur and some other villages in Panipat district were still under threat, as water released from the Hathnikund barrage on Friday is expected to flow through these areas anytime.
There was little we could do to avert the floods, as the discharge of water was very high and sandbags were placed along the banks to check diversion of water, executive engineer Pawan Verma said.
Though there was no human casualty, several hundred hectres of agriculture land was inundated, causing extensive damage to crops. The heavy rains in the catchment area of the Yamuna during the past two days had suddenly increased the discharge of water, creating flood-like situation in the region.
Yamunanagar: Although the water level of the ravaging Yamuna today reduced significantly, it has caused considerable damage to over two dozen villages..
Villagers were still trapped in 4 to 6 feet water. Besides houses, standing paddy crop in thousands of acres was also damaged.
A 22-year-old youth of Bhilpura village was believed to be drowned while saving others last night.
The villages which were worst hit by the swollen Yamuuna include Kayanwala, Majra, Navajpur, Lal Chhapar, Majiri, Gumthala, Lakar, Bhilpura.
The water level of Yamuna reduced to 85000 cusecs at 4 p.m. at Hathnikund barrage today, while yesterday it was recorded 4.09 lakh cusecs, much above the danger level and also said to be highest in the past nine years at the same time. As the water in the river was flowing much above the danger level, officials at the headworks opened all 18 floodgates to release the water in the Yamuna downstream.
A team of three officials was deployed at each control room set up at different places, including Radaur, Sadhaura, Bilaspur and also in the tehsil office of Chhachhrauli and the water services division, Jagadhri, to monitor the situation round the clock.
The increase in the water level of the Yamuna has posed a major threat to the low-lying areas of the river in Delhi. The swollen river will hit Delhi early morning tomorrow, said the irrigation department officials. The water level of Yamuna was nearly three times more than what was on August 14.
Power generation at the Tajewala hydel project of 62 mw capacity in the district has been stopped following the rise in the water level of Yamuna river. The decision was taken to avoid any damages to the project following the increase in the silt level in the river, said a senior functionary of the Uttar Haryana Bijli Vitran Nigam.
Ambala: Around 1000 acres in 15 villages of the Naggal constituency close to Ambala City submerged due to breaches in the SYL canal at four places close to zero point of the Haryana-Punjab border today.
The administration summoned two companies of the Army to plug the breaches.
The first breach appeared in the canal near Khera village in the morning.
Villagers informed the administration immediately, but the breach widened so fast that the water started filling the fields of the adjoining villages.
The district administration summoned the Army when it found the situation beyond its control. Two companies of the 65 Engineering of the Army started the rescue operations under the supervision of Col S.K. Vidhyarthi. Around 500 villagers of nearby villages and volunteers of social and religious organisations were assisting the Army and civil officials.
Crops in more than 12 villages, including Khera, Amipur , Ismailpur , Chaudmastpur , Bidanga , Dangesria , Kurbanpur Adho Majra and Bhendsa have been reportedly affected.
Villagers said that the entire paddy crop of their villages got spoiled in the overflowing canal water. They were annoyed that the administration had not taken precautionary measures, whereas the administration had claimed to spend crores of rupees on flood-control work every year.
The villagers fearing that water could enter their houses have started taking their household goods on rooftops. INLD leader Hardayal Singh Khera and former MLA of the constituency Jasbir Malor said people of the area had been demanding a siphon to be set up at the breach point for a long time but it was not taken seriously.
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