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SECTOR (B) URBAN WATER SUPPLY

In Assam the PHE department is working to supply safe drinking water to the rural communities and fulfil the demand. There is also a Urban Water Supply and Sewerage Board to look after the urban water supply. In BTC area, PHE department is working both in the rural as well as in urban areas also. Since inception of BTC, the PHED has been working on 2 (two) urban water supply schemes at Kokrajhar Town Water Supply Scheme at Kokrajhar and Bijni Town Water Supply Scheme at Bijni.

Kokrajhar Water Supply Scheme:- Kokrajhar water supply scheme was administratively approved during September, 2005 and foundation stone was laid on 20th December, 2005. The scheme has been taken up under BTC special package for an amount of Rs. 2357.00 lakhs. The project will cover an area of approx 7 Sq. Km. including 10 (Ten) Municipal Wards of Kokrajhar and adjoining areas of Kokrajhar Town. At present 60,000 population will be covered but has been designed for 1,20,000 population at the final stage.

Due to non existence of Urban Water Supply and Sewarage Board in Kokrajhar the execution part of the project is entrusted to Rural PHE Department under the proper guidance of BTC authority. The execution of the project is in full swing and likely to be completed during the year 2007.

The entire Kokrajhar Water Supply Scheme is divided into two part, Northern Zone and Southern Zone of the railway track. The Southern Zone (Zone-I) with two over head reservoir plant with a capacity of 750 CUM (7,50,000 Litres) per ESR (*ESR= Elevated Service Reservoir). The project is established at the back- side of Govt. H.S. & MP School and nearest to the new Magistrate Colony to cover up the entire population of the southern part of the Kokrajhar town.

The Northern Zone (Zone-II) is established at J.D. Road near Forest Depot Office with the same capacity of 750 CUM (7,50,000 Litres) per ESR (i.e. 2 ESR Northern side) and one treatment plant to cover the entire household benificiaries of the northern part.

The Kokrajhar Water Supply Scheme is a dream project for BTC and Hon'ble Executive Member, PHE alongwith the official team of PHE has taken earnest effort in successful implementation of the project in addition to monitoring the project works at site. The project is scheduled to be completed within 2007.

SALIENT FEATURES OF KOKRAJHAR WATER SUPPLY SCHEME


1. Name of the Scheme Kokrajhar Water Supply Scheme.
2. Project area Approx. 7.0 Sq. Km.
3. Design Period (a) Intermediate = 2019 AD
(b) Ultimate = 2029 AD
4. Design Population (a) Population as per 2001 Census = 50433 Souls
(b) Projected population on 2004 = 54895 Souls
(c) Intermediate Phase = 80,674 Souls
(d) Ultimate Phase = 1,07,577 Souls
5. Source of Water Deep Tube Well of Size 200x150 mm - 10 Nos.
6. Treatment of Water By Treatment Plant
(i) Capacity of the Plant of Zone-I = 6.20 MLD
(ii) Capacity ofthe Plant of Zone-II = 6.20 MLD
7. Clear Water Sump (i) Capacity for Zone - I = 400 Cum (4,00,000 Litres)
(ii) Capacity for Zone - II = 400 Cum (4,00,000 Litres)
8. Over Head Reservoir Total Capacity
(i) For Zone-I = 750 Cum (7,50,000 Litres) x 2
(ii) For Zone-II = 750 Cum (7,50,000 Litres) x 2
9. Distribution Network 36.970 Km covered 10 wards of the town.
10. Service to user Round the clock service at a minimum head of 5 metres. water head at ferrule point.
11. Project Viavility Approved by all concerned departments from Cost-benefit
ratio and socio economic point of view.
12. Project Cost Rs. 2357.00 Lakhs
13. Project Implementing Agency Public Health Engineering Department,
Kokrajhar (PHE) Division No.-I
14. Target Date of Commissioning During 2007.

Bijni Town Water Supply Scheme: - Bijni is a small commercial town of Chirang District under BTC. The scheme was originally approved under ARWSP Programme for an amount of Rs. 340.84 Lakhs. The project will cover the entire area within the jurisdiction of Bijni Town Committee. At present 13,000 population will be covered but the scheme has been designed for 20,000 population at the final stage. The up to date completion of the project is about 50% and expected to be completed within 2007 under Kokrajhar Division No.-II, Basugaon.

Bijni is a Sub-Divisional Head Quarter Town of Chirang District under BTAD, Assam. It is a rapidly growing commercial town with an increasing population. BIJNI TOWN WATER SUPPLY SCHEME will provide the people of Bijni Town with safe drinking water which is a long felt basic need of the area. The salient features of the BUNI TOWN WATERSUPPLY SCHEME are as given below.


1. PROJECT AREA The project area comprises the entire area within the jurisdiction of Bijni Town Committee.
2. POPULATION TO BE SERVED 14,500 Souls by 2006, 17216 souls by 2018A.D. (Inter mediate Phase), 19935 souls by 2028 A.D. (Design) based on 1991 census population- 11313 souls.
3. PER CAPITA SUPPLY 70 L.P.C.D. for 70% populations. 40 L.P.C.D. for 30% populations.
4. DESIGN PERIOD Distribution network, Raw Water and Clear Water Pumping Main for 25 years. D.T.W. Treatment Plant, Storage reservoir for ultimate period of 25 years, Pumps & motors for intermediate period of 15 years.
5. WATER DEMAND 1.30 MLD by 2018 A.D. (Intermediate demand), 1.40 MLD by 2028 A.D. (Ultimate Demand).
6. SOURCE OF WATER Ground water by installations of 2 (two) nos Deep Tube Wells. Works have already been completed. Discharge estimated 1) 3178 LPM at project site, 2) 2270 LPM at stadium back site. Water qualities have already been tested and found suitable for consumption.
7. RAW WATER PUMPING MAIN Raw Water Pumping Main 150 mm dia DI/SS pipe.
8. TREATMENT PROCESS Treatment involves Aeration followed by Filtration and Disinfection by chlorination.
9. CLEAR WATER SUMP Underground clear water sump is of 1 (one) hour retention capacity. The total capacity of the underground clear water sump is 90 cum.
10. CLEAR WATER PUMPING MAIN Clear water Pumping Main is 150 mm dia of DI/SS pipe and l00 mm dia pipe for connecting with ESR.
11. ELEVATED SERVICE RESERVOIR Treated water shall be distributed to the consumers under gravity flow from elevated service reservoir of capacity 400 cum with a staging height of 12 m.
12. DISTRIBUTION SYUSTEM The distribution pipe network is approximately 20 km long.
13. ENERGY REQUIREMENT Approximate Electrical Energy requirement for running the project is 50 k.w.
14. ESTIMATED COST Rs. 340.85 lakhs.
14. PROJECT IMPLEMENTED BY Kokrajhar (PHE) Division-II & Bijni (PHE) Sub-Division under PHED, BTC, Assam.
15. TARGET DATE OF COMMISSION During, 2007.


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