Environmental Monitoring Report Third Quarterly Report (July to September2018) January 2019 IND: Bihar New Ganga Bridge Project Appendices Prepared by Bihar State Road Development Corporation Limited, State Government of Bihar for the Government of India and the Asian Development Bank. This environmental monitoring report is a document of the borrower. The views expressed herein do not necessarily represent those of ADB's Board of Directors, Management, or staff, and may be preliminary in nature. In preparing any country program or strategy, financing any project, or by making any designation of or reference to a particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area.
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Environmental Monitoring Report Third Quarterly Report (July to September2018) January 2019
IND: Bihar New Ganga Bridge Project Appendices
Prepared by Bihar State Road Development Corporation Limited, State Government of Bihar for
the Government of India and the Asian Development Bank. This environmental monitoring report is a document of the borrower. The views expressed herein do not necessarily represent those of ADB's Board of Directors, Management, or staff, and may be preliminary in nature. In preparing any country program or strategy, financing any project, or by making any designation of or reference to a particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area.
MBBR PROCESS; MOVING BED BIO REACTOR PROCESS 1. Collection Tank: The Raw sewerage is collected here and then goes to the MBBR tank
for further processing. 2. The MBBR Tanks: These are also called aeration tanks and diffused air through blowers
is given in the tank. We also put Fab media in these tanks so these tanks are also called FAB tanks. The blowers provide the oxygen in the water which helps in creating bacterial which keeps consuming the human waste. The FAB media works has a home for the bacteria where they stay and keep increasing day by day. 3. Settling tanks: This is called the tube settler tank. When partially clear water from the Fab
tanks enter the tank which has a funnel type shape the remaining sludge (Most of the sludge is eaten by bacteria in MBBBR tanks) is settled in the bottom and taken to the sludge holding tank with the help of sludge holding pump .The pure water on the top of the settling tank is automatically transferred to the clear water tank of filter feed tank. 4. Tertiary unit: The water from the clear water tank is further taken to Multi Grade filter and activated carbon filter. The Multi grade filter which consists layers of Pebbles, gravels and silex sand polisheds the water and does not allow the suspended matter to go further. The Multi grade filter is operated through a multiport valve or Butter fly valves which backwashed and rinse the suspended matter trapped in the Multi grade filter. The water then goes through the Activated carbon filter which reduces the bad smell of the water .It also reduces the COD(chemical oxygen demand) of the water. 5. Treated water tank: The treated water tank is the collection tank for the treated water. It is taken for reuse or safe disposal of this water. 6. Filter Press or Sludge De-Watering System: The sludge collected in the sludge holding
tank is taken to the filter press. It is a hand hydraulic system where the sludge is squeezed to the level that it is completely dry. The filter press converts it in cake shape. These cakes are natural fertilizers and can be used for horticulture purpose.
Note: Currently STP (capacity-87 KLD) at Zero Point and Raghopur (capacity 273 KLD) are in functional stage.
Green Field Six Lane Extradoses Cable Bridge over river Ganga near Kachhi Dargah in District Patna on NH-30 near Bidupur in District Vasihali on NH- 103 (Bihar). Length of the project 22.76 Km. includes 9.76 km. long main bridge.
S. No in the Schedule 8 (b) Project Cost $832 million
Location The proposed bridge across Ganga river fro Deedarganj on NH-30 to chak Sikandar in Vaisahli district on NH-103, consisting of six lane bridge structures of the 9.760 Km, approach viaduct and roads of 1.5 km from South and 8.5 Km from Noth, tolling and serving faculties, and windering 3 Kilometer of NH-103. The proposed location of the bridge is about 10 Km downstream of existing Mahatama Gandhi Setu in Patna. Start Location: Sabalpur (near Kacchi Dargah) Latitude:- 250 34’ 02.24” N Longitude:- 850 15’ 07.86” E End location: Sarmastpur (near Bidupur), Latitude:- 250 41’ 17.82” N
of the afforestation shall be looked after by the proponent. Tree plantation shall
be of the same species/local species and survival shall be monitored
Transplantation of trees shall be carried out wherever possible.
(xi) During construction phase noise pollution should be minimized in the river for
the safety of the Gangetic dolphins because they are very sensitive to noise
pollution
(xii) On both flanks of the bridge fencing at suitable height by proper mesh should be
provided so that garbage and other unwanted materials are not thrown in the
Ganges.
(xiii) Number of pillars should be minimum so as to minimise siltation in Ganga,
ofcourse without compromising with structural design.
II. Operation Phase.
(i) Noise barriers shall be provided at appropriate locations particularly in the areas
where the alignment passes through inhabited areas so as to ensure that the noise
levels do not exceed the prescribed standards.
2. General Conditions:
(i) In the event of any change in the project profile, a fresh reference shall be made
to SEIAA, Bihar.
(ii) SEIAA reserves the right to revoke this clearance, if any, of the conditions
stipulated are not complied with to the satisfaction of SEIAA.
(iii) SEIAA may stipulate any additional conditions subsequently, if deemed
necessary, for environmental protection, which shall be complied with.
(iv) Full support should be extended to the officers of Bihar State Pollution Control
Board by the project proponents during their inspection for monitoring purposes.
(v) All other statutory clearances shall be obtained, as applicable by project
proponents from the respective competent authorities.
(vi) The project Proponent should advertise in at least two Newspapers widely
circulated in the region, one of shall be in the vernacular language informing that
the project has been accorded Environmental Clearance and copies of clearance
letter are available with the Bihar State Pollution Control Board.
The Project proponent shall also submit six monthly reports on the status of compliance of the stipulated condition including results of monitored data (both in hard copies as well as the stipulated condition including results of monitored data(both in hard copies as well as by e-mail) to SEIAA, Bihar and regional office, Ranchi.