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7.4 5. No adverse effect in draining the drainage discharge on account of rise of low water level due to rise of river bed. 6. Improvement in environmental condition 7. Economic improvement of the community The pump house has been considered with future provision for Civil work and Mechanical and Electrical components for present scenario: • For Mechanical & Electrical Equipment: The pumping capacity has been considered for 31.17 m 3 /sec. including standby of 5.67 m 3 /sec. • Civil Structure: Civil structure is considered to be provided for a pumping capacity of 45.27 m 3 /sec (including standby provision) as below: Present provision: Future projection - 10% of 141.0 m 3 /sec: Total: 31.17 m 3 /sec 14.10 m 3 /sec 45.27 m 3 /sec The proposed pumping station comprises of the following components: Inlet arrangement The Inlet arrangement of Ghushighata pumping station will consist of excavation of inlet channel, pond and construction of forebay. Pump house with pumping plant The proposed pumping station will have following pumps with all matching electrical and control equipment: • 5 nos. @ 4.25 m 3 /sec capacity (duty) + 1 standby • 3 nos. @ 1.42 m 3 /sec capacity (duty) + 1 standby Space provision for 3 nos. of 4.25 m 3 /sec capacity and 1 no. of 1.42m 3 /sec capacity j proposed to be kept in the pump house to meet the additional pumping requirement c 14.1 m 3 /sec in future (beyond 2035). Space required for construction of pump house is about 60 m x 16 m.
7.5 Outlet arrangement: Outlet arrangement consists of excavation of outfall channel with construction of energy dissipating structures with side retaining wail, meeting with the outfall channel. Power supply arrangement: Provision for necessary power supply with substation facilities has been considered. Ancillary facilities (i) Internal roads (ii) Water supply (iii) Fire fighting equipment (iv) Exhaust fans and other accessories as required for ventilation purpose & (v) Bridge over outlet channel. Cost for the proposed pump house is estimated at about Rs. 18.00 Crores, the details of which are provided in the following table. A. Mechanical & Electrical Works Sl. No. Item Unit Quantity Rate in Rs. Amount in Rs. 1 Pumps & Motors 4.25 cumec Set 6 4,750,000.00 28,500,000 2 Pumps & Motors 1.42 cumec Set 4 2,820,000.00 11,280,000 3 Pipes & Fiap Valves No. 10 800,000.00 8,000,000 4 Stop Log Gates, Bar Screen & L.S. 4,000,000 5 Trash Rack Gantry Crane Set 1 5,000,000.00 5,000,000 6 Transformer 1 1/6 KV 2.5 MVA (Dry Set type) 2 2,500,000.00 5,000,000 7 VCB &VCP Panels L.S. 4,500,000 8 VCB Panel (For S/S) L.S. 3,00,000 9 1000 KVA Transformer (Station service) Set 1 2,000,000.00 2,000,000 10 Capacitors L.S. 700,000 11 HT Cable / LT Cable / Con. Cable L.S. 4,000,000 12 Incoming Feeder (HT) L.S. Included in Item No. 11 13 Earthing L.S. 186,000 14 Illumination L.S. 1,000,000
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HAZARD ASSESSMENT AND DISASTER MITI
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Project Team Though the outcome of
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Preamble The State of West Bengal,
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1.2 IMD, in its website (http://www
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1.4 5. Proposals for location of cy
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2.2 region is that which struck the
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2.4 Figure 2-2. Track of the 1970 B
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2.6 The most destructive element as
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2.8 the two regions is rather diffe
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2.10 2.4. The eastern coastal zone
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2.12 velocity is first checked. As
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2.14 Strong winds known as cyclones
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2.16 2.4.6. Soil characteristics Th
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2.18 All rivers have in general sou
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2.20 Another interesting feature of
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2.22 formed does not pose so much o
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2.24 2.4.11. Forest composition The
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2.26 Canning (Bidyadhari Outfall in
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2.28 Administrative information Pop
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2.30 Mangrove plantation beyond the
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2.32 A retired embankment of river
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2.34 The beaches are flattened by s
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2.36 of a doiminant tidalbasin of t
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2.38 primary mode is centered on th
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2.40 Aquaculture ponds located betw
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2.42 All the islands are situated w
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2.44 • Transport the water to the
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2.46 The other type of failure may
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2.48 channel floor, some of the riv
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2.50 embankments. Crops and propert
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2.52 2. To reduce the average dista
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3.2 a storm surge caused by a tropi
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3.4 these merchants may have been t
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3.6 Figure 3-1. Map of India during
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3.8 larger volume of sewage and dra
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3.10 receive, at least during the r
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3.12 3.9. Drainage scheme of Dr. B.
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3.14 3.10. CMPO and KMDA (originall
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3.16 Flows are diverted to the loca
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3.18 the Bhangar region through the
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3.20 the ocean level as a result of
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3.22 Table 3-6. Major pumping stati
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3.24 Table 3-9. Drainage basin area
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3.26 will lead to significant impro
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3.28 locks, one at Chitpur and anot
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3.30 Respectively. The discharge of
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3.32 Figure 3-6. The downstream of
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3.34 Figure 3-10 shows the tail end
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3.36
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3.38
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4.2 In US, there is a steady decrea
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4.4 This shows that Orissa (with 10
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4.6 30 25 20 15 10 Severe Cyclone C
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4.8 Table 3: Return periods of cycl
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4.10 Table 5: The number and return
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4.12 work station (the Automated Tr
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4.14 through this trough into the d
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4.16 Mean Low water 1.51 1.39 1.34
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4.18 τx,τy : x and y components o
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4.20 formulation. However, the rete
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4.22 ∂u ~ ∂ ~ ~ ∂ ~ ~ ∂ζ 1
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4.24 Δ p p(r) = p( ∞) − [1+ (r
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4.26 maximum surge for this event w
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4.28 U-Component of Velocity (Surfa
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4.30 ## ## ## #### ### ## ########
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4.32 V-component of Velocity (Surfa
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4.34 U-component of Velocity (Surfa
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## ################################
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4.38 V-Component of velocity (Surfa
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5.2 particular human settlement to
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5.4 The Composite Vulnerability Ind
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5.6 (2004 prices) prevalent in dist
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5.8 Moyna 0.6280 0.1592 0.542286 0.
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5.10 5.4.2. Social infrastructure H
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5.12 Budge-Budge(Part-II) 0.0000 0.
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5.14 secondary and tertiary activit
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5.16 F i Fˆ i ⎛ Total no. of =
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5.18 Table 5-4: Composite Index of
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5.20 M ′ = H M ′′ = I . S whe
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Chapter Six Mitigation Strategies a
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6.3 Beside these differences in lev
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6.5 • to reduce the destructive f
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Page 222 and 223: Executive Cost Summary of Recommend
Page 224 and 225: References Kanjilal (2005) “Sunde
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