CHAPTER-1 INTRODUCTION PREAMBLE: The Ministry of Environment & Forest has recently amended its Environmental Impact Assessment Notification vide S.O. 60(E) dated 27.01.1994, covering the following Projects: 1. Town Ships 2. Industrial Town Ships 3. Settlement Colonies 4. Commercial Complexes 5. Hotel Complexes 6. Office Complexes etc The proponents of the above projects will be required to obtain Consent for Establishment (CFE) and Environmental Clearance from Ministry of Environment and Forests (MOEF) under the following circumstances. 1. The Contributing Population of the modified Project is 3490 persons. 2. The Domestic Wastewater (Domestic Sewage) discharged from the modified project is 4, 71,150 Ltrs/day. 3. The Investment on the proposed project is 75 Crores. This amendment to the EIA Notification is effective from 7.07.2004. Therefore such projects coming under the preview Amended Notification of EIA is required to carry out. Rapid Environmental Impact Assessment studies to ascertain Environmental Impacts of the proposed establishment. It is also necessary for such projects to present before public hearing to ascertain the response of public for the project.
1.1 BACK GROUND OF THE PROJECT: We have been obtained Environmental Clearance for Residential Apartment, letter No. SEIAA: 176: CON: 2012 Dated 7 th March 2013 consisting of 590 flats with built up area 94,148 Sq. Mts. Now, we have applied for Modification of Residential Apartment of 698 Flats at khata no. 1531/34/12, 34/13, 34/11, 34/10, 34/9 & Sy. No. 34/9, 34/10, 34/11, 34/12, 34/13 at Junnasandra Village, Varthur Hobli, Bangalore East. The project consists of 698 Residential flats. The total plot area of the residential apartment is 44211.91 Sq. Mtrs with a built up area of 94148 Sq. Mtrs with plot coverage area of 7115.89 Sq. Mtrs (16.09%). The paved area available is 11729.95 Sq.mts (26.53%), green belt area is 23152.16 Sq. Mt. (52.38%) and Civic Amenities is 2213.29 Sq. Mts (5.00%). The project consists of residential units with modern facilities like, Swimming pool & Gym facility. The source of water is tertiary treated water for construction purposes. In future the source of water is from BWSSB for domestic purposes. Power from BESCOM. The project has been designed in accordance with the regulations/by law of Bangalore Development Authority (BDA).
Salient Features Comparison of EC Sl. No Description As per Previous EC Present/As per Modification 1. Usage For Residential For Residential 2. Built Up Area in Sq. Mt 94,148 Sq. Mts 94,148 Sq. Mts 3. No. of Flats 590 Flats 698 Flats 4. Power in KVA 500 KVA-1No, 400 1640 KVA KVA-2 No, 250 KVA- 1No, 200 KVA-2 No 5. Water Consumption in 398.25 KLD 471.15 KLD KLD 6. Waste STP in KLD 327.6 KLD 450 KLD 7. No. of Cars 800 Cars 1001 Cars 8. Investment Cost 72 Crores 75 Crores
AREA STATEMENT: Description Area (Sq. Mts) Total Site Area 44211.91 Sq. Mts Permissible FAR 2.25 Permissible FAR area 94495.5 Sq. Mt Net FAR area 94148.00 Sq. Mt FAR achieved 2.24 Height of Building 44.9 m (B+G+14) Total number of units 698 Total number of floors B2+B1+G+14 Floors
Statement for Number of Flats Non FAR Area SL. No Floors Gross Area Sq. Mt Deduction s Ducts & Net BUA Lift/ Stair case Parking Total Net FAR area No. of Unit EWS Allocatio n cutouts s 1 Basement-2 7300.00 7300.00 7300.00 2 Basement-1 30716.12-30716.12 114.12 30504.80 30087.00 510.25 3 Ground floor 9522.11 2406.22 7115.89 114.12-114.12 7001.77 48 4 4 First Floor 9523.21 3018.57 6504.64 114.12-114.12 6390.52 48 4 5 Second Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 6 Third Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 7 Fourth Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 8 Fifth Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 9 Sixth Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 10 Seventh Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 11 Eight Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4
12 Ninth Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 13 Tenth Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 14 Eleventh 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 Floor 15 Twelfth Floor 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 16 Thirteenth 8697.99 2288.07 6409.92 114.12-114.12 6295.80 48 4 Floor 17 Fourteenth 6262.45 1452.47 4809.98 114.12-114.12 4695.86 26 14 Floor 18 Terrace Floor 352.50-352.50 352.50-352.50 - Total 168052.27 34334.10 133718.17 2178.42 37391.75 39570.17 94148.00 698 70
Car Parking Details: No. of Cars Provided Basement 1 797 No. of Cars Provided Basement 2 204 Total 1001
1.2 PROJECT GLANCE ESTABLISHED PROJECT LOCATION Construction of Modified Residential Apartment M/s. Klassik Landmark At Khata No. 1531/34/12, 34/13, 34/11, 34/10, 34/9 & Sy. No. 34/9, 34/10, 34/11, 34/12, 34/13 at Junnasandra Village, Varthur Hobli, Bangalore East. TOTAL PLOT AREA TOTAL BUILT UP AREA PLOT COVERAGE AREA PAVED AREA GREENBELT AREA CIVIC AMENITIES FAR (FLOOR AREA RATIO) ACHIEVED TOTAL PROJECTED PROJECT COST NUMBER OF FLATS & FLOORS CIVIC AMENITIES WATER SUPPLY SANITATION SOLID WASTE MANAGEMENT Total Site Area 44211.91 Sq. Mt with a Built up area of 94148.00 Sq.Mt 44,211.91 Sq. Mt 94,148 Sq.Mt 7115.89 Sq.Mt (16.09%) 11729.95 Sq.Mt (26.53%) 23152.16 Sq.Mt (52.38%) 2213.29 Sq.Mt (5.00%) 2.24 75 Crores Total number of Flats : 698 Total number of floors: B2+B1+G+14 Floors Swimming pool, with Gym, Indoor game facility. BWSSB Install Sewage Treatment Plant of Capacity 424.03 KLD (450 KLD) Provided organic waste converter.
The total quantity of the domestic sewage generated from residential apartment works out as follows. Total number of residential flats : 698 Anticipated population of the apartment considering average of 5 persons per flat : 698x5 = 3490 As per IS : 1172-1972 domestic water demand is assumed as: 135 lpcd Total water consumption from the apartment = 698x135=4,71,150 Lts/Day Assuming that about 90% of water Quantity of sewage generated from the apartment: 4,24,035 Lts/day (flow period is about 16 hours) Total quantity of sewage generated from the apartment:424.03 KLD For design purposes we consider 424.03 KLD (450 KLD capacity of STP)
1.3. PROJECT SETTING: The project proponents especially those who intend to residential apartment will usually identify certain basic factors while selecting the site for the project. Such factors are usually related to the titles of the property, commercial viability in terms of the marketability of the flats, which mainly depends on the location of the proposed residential apartment. In addition to this the Environmental Setting of the proposed location also is a factor while deciding the site for such project. The site selection criteria also including the selection of such a location which is close to the city of Bangalore and also the project is coming up along the road which connects Kaikondanahalli/ Junnasandra Village which connects Sarjapur road which in turn connects to Hosur road Bangalore etc. From the view point of environmental factors any site located in a residential area will be feasible with established basic infrastructure in terms of the roads, power supply, water supply and sanitation facilities being available, thereby reduces additional burden on such establishments. As far as the environmental setting is concerned the proposed location of the proposed project with mixed pattern of land use is observed with residential, commercial, industrial areas observed along the surrounding of the Junnasandra road( adjacent to the project site) Sarjapur, Varthur, Bellandur, Whitefield, Koramangala etc within the surrounding of the project site. The general topographical feature of the area reveals that the proposed project site and its surroundings is generally a plain land with residential, commercial and very few agricultural patches. The soil nature is observed is generally sandy loamy soil.
This plot is located at an elevation of about 905 m above Mean Sea Level (MSL). The climatic condition is temperate (Semiarid) with moderate annual rainfall of 800 to 1000 mm. CHAPTER-2 BASELINE ENVIRONMENTAL STUDIES 2.1. PROJECT RELATED ENVIRONMENT a) Air Environment. As a preliminary study to ascertain basic facts about the project a reconnaissance survey is carried out. Details about the general topography, nature of soil, water sources etc were observed. In addition to this information were collected by reviewing the available data and literature. To assess the base line Air Quality surrounding the project site it was decided to carry out the ambient air quality monitoring studies, Future the ambient air quality monitoring stations were identified based on various environmental and other related factors. The period for monitoring was selected based on the season of the year and the monitoring were conducted using the standard protocol with High Volume Air Sampler (Envirotech), the random samples were picked disturbed fairly uniform during the monitoring period and the duration of sampling was for 24 hours as per the guidelines of CPCB. Meteorological data for parameters like speed of wind, its Direction, Ambient temperature levels, Relative Humidity were collected for the project site. These data were used for interpretation of baseline ambient air quality and prediction of impacts due to project.
b) Noise Environment To ascertain the base line status of ambient air quality w.r.t Noise around the proposed project site noise level monitoring were carried out using the portable noise-measuring instrument. The spot noise levels were also monitoring at different location surrounding the project site based on the noise influencing factors like the movement of vehicular traffic, construction activities and other metrological factors the results are presented in Table. c) Water Environment As a preliminary part the reconnaissance studies included identification of available fresh water source i.e. ground or surface in study area. Analysis of raw water samples from bore well sources, surface sources (Lakes) in the study area were conducted and analyzed for physicochemical and bacteriological characteristics as per IS 10500/1991 to determine general characteristics of such sources. d) Land Environment A reconnaissance survey of the study area was carried out to ascertain the Geo & Topographical features of the study area. Since the terrestrial environment is prone to be affected due to deposition of atmosphere pollutants, contaminated runoffs. However, the proposed activity planned envisages utility of its treated wastewater for On-land irrigation for gardening within its own premises. Soil samples were also collected within the proposed project site to ascertain the soil nutrient levels, its characteristics and nature. e) Biological Environment The baseline data to ascertain the status on flora & fauna in the study area was established by collection of the relevant data; the detail was collected from the past records available and by verbal enquires within the surrounding areas of the project site.
2.2. ENVIRONMENTAL FEATURES Land Availability & Land use pattern: The total plot Area of the project is about 44,211.91 Sq. Mt and is close to the city of Bangalore and also project is coming up along the road which connects Sarjapur road which in turn connects to Hosur road Bangalore etc. LAND USE PATTERN: The land around the project site indicates a mixed land use pattern with residential, commercial, slightly industrial establishments and agricultural patches within the study area. Transportation: This area where the residential apartment project is well connected to Bangalore city, Whitefield, Old Airport road, Old Madras road and new air port via Whitefield. Agricultural Land: There are very few farming activities observed along the road that leads to surrounding areas such as Sarjapura, Varthur, Bellandur, Hosur road etc. Forest: No major forests blocks are observed in the surroundings of the project study area. Water Bodies: There is no major water course within the study area.
The Land available for the modified Residential Apartment & the land use pattern of this plot is tabulated below as Table: 2.1 SL. No Particulars Area in Sq.mts Percentage 1.0 Total Plot Area 44,211.91 Sq. mtrs --- 2.0 Total Built up area 94,148 Sq. mtrs --- for 698 Nos 3.0 Paved area 11729.95 Sq.mts 26.53 4.0 Greenbelt area 23,152.16 Sq.mts 52.38 5.0 Plot coverage area 7115.89 Sq. mts 16.09 6.0 Civic Amenities 2213.29 Sq. mts 5.00 The total area utilization is planned in such a way that recreation facilities, located at an ideal place to ensure utility of the same by the residents of the apartment.
Water Consumption The apartment being a residential one, water demand is for domestic purpose, public uses and fire fighting purposes. It includes the quantity of water required in the houses for drinking, bathing, cooking, washing, etc. The quantity of water required for domestic purposes depends on the habits, social status, climatic condition and customs of the people. In India on an average the domestic consumption of water under normal condition is about 135 liters/ capital/ day, as per IS 1172-1971, the details of the domestic consumption are as follows. Sl No Utility Consumption in Liters per capita per day 1 Drinking 5 2 Bathing 55 3 Cooking 5 4 Washing the 20 Clothes 5 Utensils Washing 10 6 Washing of floor 10 7. Flushing of Toilets 30 Total 135 The anticipated water demand is worked out by taking into consideration that the apartment is fully developed and the residents have fully occupied their respective flats. The total domestic, public water demand, source of portable water for the proposed apartment is appended in the table. The proponents of the project have identified Bore Well Points (2 NoS) within premises of the plot and it also intends to avail BWSSB connection to cater its domestic water requirements.
Capacities of Water Storage Facilities Table : 2.2 SL.No Storage Facilities Quantity Storage Capacity Material of construction. 1.0 Over head water 2 100 KL RCC storage tank 2.0 Ground level tank 2 110 KL RCC 3.0 Treated water 2 110 KL RCC sump 4.0 Rain water 1 100 KL RCC collection Tank 5.0 Fire fighting tank 1 200 KL RCC Water supply system The water supply scheme to cater to the public and domestic water requirement of the residential apartment consisted of sourcing pretreated raw water from BWSSB service mains to a common collection facility known as the underground service reservoir. The under Ground Reservoir will be constructed in RCC. The water from the UG sump will be pumped to overhead tank (capacities of UG sumps & OHTs are detailed earlier in the above table) through pipes known as the rising mains. The distribution network is split into different zones depending on the requirements of water and is provided with isolation valves and other various appurtenances to facilitate residual head in the entire distribution network.
Source of Water and its Availability: The most important aspect under the water supply scheme is the selection of source of water, which should be reliable and potable. Since no natural source is found near the apartment, the source of water is from BWSSB. Quality & Portability of available water source: The quality of water from BWSSB is good, treated of the same is not envisaged except chlorination. After the treatment of water, it is distributed through a network of distribution system. The distribution system consists of pipes of various sizes, valves, meters, pumps, and hydrants. The pipeline carries water to each and every household. The valves provided in the distribution network will control flow of water through the system. Water meters are provided for every house so that the quantity of water consumed by each of them can be quantified. Fire hydrants are provided to connect water to fire fighting equipments during fire. Quantification of Wastewater: Generally it has been observed that doing all the calculation the quantity of sanitary sewage will be equal to 75 to 80 percent of the total quantity of water supplied to the apartment. Therefore, the total quantity of wastewater generated from the residential apartment is worked out as below.
WASTE WATER GENERATION FROM APARTMENT: Total number of residential flats : 698 Anticipated population of the apartment considering average of 5 persons per flat : 698x5 = 3490 As per IS : 1172-1972 domestic water demand is assumed as: 135 lpcd Total water consumption from the apartment = 3490x135=4,71,150 Lts/Day Assuming that about 90% of water Quantity of sewage generated from the apartment: 4,24,035 Lts/day (flow period is about 16 hours) Total quantity of sewage generated from the apartment:424.03 KLD For design purposes we consider 424.03 KLD (450 KLD capacity of STP)
WATER BALANCE BWSSB First Time Water Requirement 4,71,150 Lts/day Regular Fresh Water Consumption 2,97,295.65 Lts/day Total Water Requirement 4,71,150 Lts/day Waste Water Generated 4,24,035 Lts/day 90 % after diversity Recycled Water 1,73,854.35 Lts/day 93,220 424.03 Lts/day KLD STP (450 KLD) Available STP water is 4,24,035 Lts/day UGD of BWSSB 1,14,489.45 Lts/day (27.0%) Gardening/ Landscaping 1,01,768.4 Lts/day (24.0%) Floor washing of entire surface area of Premises 16,961.4 Lts/day (4.0%) Vehicle Washing 16,961.4 Lts/day (4.0%) Toilet Flushing 1,73,854.35 Lts/day (41.0%)
Total Water Required: 4,71,150 Lts/day Total waste water generated is 4,24,035 Lts/day Total STP water available is UGD of BWSSB Gardening/ Landscaping Floor Washing Vehicle Washing 4,24,035 Lts/day 1,14,489.45 Lts/day 1,01,768.4 Lts/day 16,961.4 Lts/day 16,961.4 Lts/day Toilet Flushing 1,73,854.35 Lts/day
Typical Sources of Wastewater from Apartments, Its collection & Conveyance System: The Domestic Sewage generated from the individual dwelling units of the apartment (about 698 in number) is conveyed to a full- fledged Sewage Treatment Plant (STP) for its treatment. The STP is designed based on Conventional Extended Aeration Activated Sludge (EAASP) process with preliminary screening, followed by filtration & disinfection. The sufficient land suitable for accommodating the various treatment units has been earmarked at a place where the different domestic sewage is not able to be conveyed by gravity to the sewage treatment plant and the same will be collected and pumped to the treatment plant for treatment. A detailed Technical proposal of the proposed Sewage Treatment plant with Design details and Flow Chart is provided separately. Wastes of different types such as spent water from bath rooms, kitchen, water/ pans, houses and street washings, semi liquid waste of human and animal excreta, dry refuse of house and street sweeping, broken furniture, crockery etc are produced daily. If proper arrangement for collection treatment and disposal of all the wastes produced are not made, unsanitary condition will be developed and it will become impossible for the public to live. Therefore, it is most essential to collect, treat and dispose of all the waste products in such a way that it may not cause any havoc to the people residing in the area.
For the disposal of waste products two works are required. 1. Collection works 2. Disposal woks Of the above two methods, the waste carriage system is adopted in the proposed apartment. As in the system water is the main substance for carrying the wastes the system is termed as water carriage system. In this system excremental matters are mixed in large quantity of water and are taken out from the city through a properly designed sewage system. In the end they are disposed off after necessary treatment. The sewage so formed in water carriages system consists of 99.9% of water and the remaining 0.1% of solid matters. The only disadvantages of the system of its high initial cost. The sewerage system are classified as follows 1. Combined 2. Separate 3. Partially separate When only one set of sewers are laid carrying, both sanitary sewage and storm water, it is called combined system. This system is most suited to areas having rain fall in scanty. So that self-cleaning velocity will be available in every season. As only one sewer is laid in this system it can be used in crowed areas also. High degree of sanitation is achieved because of all these advantages. However in areas where there is moderate to heavy rain fall separate system are adopted to carry storm water and domestic sewage. Therefore, this system is adopted in the layout. Any typical residential apartment will be provided with separate system designed to convey
sanitary waste from individual flats of the apartment and Rain Water is separately conveyed from roof tops. For conveying foul discharge from water closets and public and domestic buildings, closed conduits are required and these closed conduits are called sewers, and are laid underground. Connections from public, domestic buildings are made to these sewers, which carry foul matter. Sewers should have such cross-section that self-cleaning velocity should be developed even during dry weather flow. PVC pipes of circular section are used in the construction of sewer lines. These pipes are rigid, are resistant to corrosion and abrasion is smooth and durable. Sewer system requires various types of appurtenances for their functioning and maintenance, because if simply sewers are laid straight sewage cannot flow in it continuously for longer time. Therefore for the operation and proper maintenance of sewerages system, various devices such as manholes, lamp holes, street inlets etc are essential. As far as possible sewers are laid straight. At very change of alignment, gradient or diameter of sewer, manholes are constructed for giving access into the sewer for inspection, cleaning, repairs and maintenance. Manholes are masonry chambers, which are constructed on the top sewer. These are fitted with suitable cast iron covers at their top. ISI have recommended that the maximum distance between manholes should be 30 meter and distance between manholes and gully chambers should not exceed 6 meters. After conveying the sewage through sewers the next step is it s disposed of without treatment or after suitable treatment. Since the sewage produced in the residential apartment is mainly domestic sewage, the treatment needed is only preliminary. Preliminary treatment involves
racks and screens, floatation tanks, grit chambers and sedimentation tank. After treating the sewage to a satisfactory level, which causes no harm to residents and the surrounding environment, it is disposed to natural nala. For conveying rain water from courts yards, roads, roofs, open grounds etc. Open drain is used and it discharge into public storm water Drains. It is laid on either side of the streets along the boundary walls of apartment. Air pollution: The primary source of air pollution from the establishment are Diesel Generator sets, which are used as an alternative source of power supply during the emergencies of power failure from KPTCL/BESCOM. Noise Generation Sources: Major noise producing sources of the apartment are expected to be DG sets, vehicular movement from and to the apartment. The DG sets are planned to locate in the basement floor of the apartment and it is provided with acoustic enclosures to control the noise levels in such a way that the noise levels are within the permissible limits specified for ambient noise levels. More over the DG sets are operated only during the emergencies when there is power failure. The noise caused due to the vehicle movement can be controlled at individual levels by proper and periodic maintenances and strictly maintaining the calmness of the apartment. ACOUSTICS: The acoustic enclosures are planned to provide for DG sets to control the noise levels dissipating to the surrounding areas. The noise levels while operating the DG sets are expected to be less than 55 db and there by confirms to the standards of ambient noise levels.
CHAPTER-3 ENVIRONMENTAL IMPACT STATEMENT 3.1. INTRODUCTION The Environmental Impact Statement (EIS) enumerates the likely environmental impacts due to the implementation of the proposed project on the five basic environmental parameters, which are as below: 1. Air Environment 2. Water Environment 3. Land Environment 4. Noise Environment 5. Biological Environment The impacts on the above parameters have been identified, analyzed and classified as adverse, beneficial impacts in this chapter and the impact matrix is presented later in the report. ACTIONS LIKELY TO AFFECT THE ENVIRONMENT The table presented later enumerates the various activities of the proposed residential apartment which may have certain impacts on the various environmental parameters. The impact matrix appended later identifies all such impacts.
AIR ENVIRONMENT The establishment of the project may impose certain impacts on the air environment, which is initially due to the construction activities that are undertaken while implementing the project. This will have marginal impacts on the air environment, which will affect the air quality due to the generation of fugitive dusts on account of movement of the construction materials, actual construction activity and its related works. The generation of fugitive dusts and its effect on the air quality will be temporary phenomena which has to be managed in such a way that the fugitive dusts are not carried for off to farther places. The carryover of Fugitive Dusts will be controlled by resorting to closed construction operations and spraying of water wherever & whenever it is required till the completion of civil work. The movement of trucks and Lorries carrying construction materials may also cause fugitive dusts all along its movement. This will be controlled by conveying sand & jelly sprayed with water, cement covered with polythene bags. Once the construction of the project is completed the operation of DG sets invariably generates gaseous emissions. Such impacts are mitigated by providing suitable stack heights for the diesel generator sets. In addition to this the use of Low sulphur content Ultra pure diesel will reduce the impacts due to emission of oxides of sulphur.
WATER ENVIRONMENT The Raw Water requirement for the project is met by the BWSSB. The total water requirement is estimated for the project is estimated at 4,71,150 litres/day. As stated earlier this domestic water requirement is to be met by BWSSB. The water required for construction is mainly for the purpose of curing the masonry and concrete structures of the project. The total water required for the above purpose is expected to be around 25,000 liters per capita per day on an average. The required quantity of water for the purpose is either drawn from BWSSB Grey (STP) Water. There will be discharge of domestic effluents in to public sewer. It will be not any impact of the same on surrounding water quality by Domestic Sewage generated from the residential apartment is ensured. LAND & BIOLOGICAL ENVIRONMENT The residential apartment is being developed in such a way that there will not be any major/ significant changes in land use pattern after establishment of the residential apartment. The proponents of the project are adhering to by law of the BBMP and stipulated setbacks and Floor Area Ratio (FAR) is maintained. The increase in air emission such as PM, SO2 & NOX due to operation of DG sets have a very either no or negligible impact on the surrounding area.
SOCIO- ECONOMIC ENVIRONMENT Observation from the demographic description of the study area it is inferred that chief occupation of the residents of the surrounding areas of the project site is dependent on the employment opportunities in Bangalore City and commercial establishments in the surrounding areas. The project would result in creating a few additional direct and in-direct job opportunities and will thereby result in direct employment potential, thus benefiting the local populace in the study area and there will not be any impact on demography/ occupation pattern due to the project. IMPACT MATRIX: Table -B presents the impact matrix for the action identified in Table-A along with various environmental parameters. A rating scale has been devised to give severity of impacts in the following manner. A: Strongly beneficial (positive) impact. B: Low beneficial impact C: Strong adverse (negative) impact D: Low adverse impact (localized in nature) (-): Indicates no conceivable impacts on environment.
TABLE-A Actions likely to affect Environment Sl. Actions No I. Construction Phase Envisaged for the following 1 Land Excavation Building Construction 2 Civil Works Construction of Plant, associated building 3 Fabrication and Erection Plant, utilities II. Occupancy Phase 1 When the residential apartment is occupied
Table B: Impact Matrix Sl No Environmental Parameters 1.0 Air Environment Ambient Air Quality Suspended Particulars Proposed Actions Excavation Civil Works Fabrication / Erection D D - D Sulphur dioxide - - - D Nitrogen oxides - - - D Carbon Monoxides - - - D 2.0 Water Environment Ground water - Quality/ Availability - - D Surface water - Availability - - - Receiving water - body quality - - - Drainage system - - - - 3.0 Solid waste Land disposal - D - D 4.0 Noise 5.0 Ambient noise - levels - D D Ecological parameters Flora - - - - Fauna - - - - Aquatic Ecology - - - - 6.0 Human Settlement -Economic Output B B B B -Employment B B B B Opportunity -Occupational Health D - - D - Infrastructure - D D B 7.0 Aesthetics Topography/ skyline - - - D -Visual Air Quality - - - D Visual water - Quality - - - Occupancy Phases Note: A- Strong Beneficial impact, B- Low Beneficial Impact C- Strong Adverse Impact, D- Low Adverse Impact
CHAPTER-4 ENVIRONMENTAL MANAGEMENT PLAN (EMP) M/s. Klassik Enterprises Pvt Ltd proposes to develop modified residential apartment M/s. Klassik Landmark at Khata No. 1531/34/12, 34/13, 34/11, 34/10, 34/9 & Sy. No. 34/9, 34/10, 34/11, 34/12, 34/13 at Junnasandra Village, Varthur Hobli, Bangalore East. The proponents of the project have applied for Consent for Modification to Karnataka State Pollution Control Board. An Environmental Management Plan Report has been prepared to assess the possible impacts of the proposed project on the different environmental parameters during the inception and the occupancy phase of the project by developing an Environmental Impact Matrix. Once the impacts are ascertained it is imperative on the part of the establishment to develop and evolve strategies for safe occupancy of the residential apartment from Environmental angle, which necessitates preparation of Environmental Management Plan (EMP). The Environmental Management Plan (EMP) is the road map for implementing mitigation measures to prevent the impact arising from a particular project. The environmental management plan is required to ensure sustainable development in the area of the proposed project. Hence, it needs to be an all encompassive plan for which the industries, government, regulating agencies like pollution control board working in the region and more importantly the population of the area need to extend their co-operation and contribution. It has been evaluated that, the project area will not be affected significantly with proposed project.
Mitigation measures at the source level and an overall management plan at the site level are elicited so as to improve the surrounding environment. The following mitigation measures are recommended in order to synchronize the economic development of the project area with the environmental protection of the region. The construction phase impacts are mostly short term, restricted to the plot area and not envisaged on the larger scale. In the operational phase the environmental impacts are due to continuous operation of the project, hence, the emphasis in the Environmental Management plan (EMP) is to minimize such impacts. The emphasis on the EMP development is on the following: 1. Mitigation measures for each of the activities causing the environmental impact; 2. Monitoring plans for checking activities and environmental parameters and monitoring responsibilities; and 3. Role responsibilities and resources allocation for monitoring. OBJECTIVES OF ENVIRONMENTAL MANAGEMENT PLAN Any establishment industrial, Residential or otherwise invariably has certain impacts on the surrounding environment, which may be either beneficial or adverse. Therefore, such establishment will have to develop strategies to tackle adverse impacts of the establishment on the surrounding environment and it becomes imperative on the part of the projects proponents to equip themselves with plans to combat such impacts. A detailed environmental management plan in support of identified environmental impacts has been prepared so as to foresee the environmental problems in the before or at planning stage itself. The advantage of preparation of such a plan at this stage is that the
identification of problems at the stage of inception will equip the establishment with alternatives and solution to combat, such problems at the stage of inception only which would be substantially cost effective than evolving such strategies at a later stage. Therefore, this environmental management plan is prepared as a part of REIA and is submitted before the project is started. The secondary objective of preparation of Environmental Management Plan is also to keep the establishment prepared with techniques in tackling the adverse impact on the Environment. SCOPE OF EMP: 1. Collection of data on the baseline environmental quality around the proposed establishment including air, water, noise and land environments. 2. Identification and assessment of potential adverse and beneficial environmental impacts due to the proposed project. 3. Preparation of an EMP to minimize the adverse impacts. 4. Preparation of post project monitoring plan to ensure that the EMP achieves its desired objectives.
ENVIRONMENTAL ASPECTS AND MANAGEMENT PLAN DURING THE COURSE OF SETTING UP OF THE PROPOSED RESIDENTIAL APPARTMENT. Environmental Management Plan for the residential apartment and the Environmental Quality Control measures to be adopted during the phase of setting up of the facility and after its occupancy. The following factors will be given due consideration during the course of setting up of the proposed facility to maintain good environmental quality during this phase. AIR ENVIRONMENT The residential apartment project involves construction activities in the initial stages followed by Fabrication, Carpentry, Interior decoration etc during later stages. The construction activity involved obviously results in generation of fugitive dusts. These fugitive dusts are controlled by carrying out construction by covering the boundary of the project site by zinc sheets & polythene covers to a particular height and also by intermittent spraying of water, which reduces controls and prevents fugitive dusts. NOISE ENVIRONMENT As construction is an imperative part of the project there will be some noise generation due to Movement of Vehicles Carrying construction materials. This is a only a temporary phenomena, this shall be managed by properly planning the Movement of Vehicular Traffic so that the ambient air quality with respect to noise is not adversely affected.
WATER ENVIRONMENT During the construction of the project and later, the services required like water supply, sewage facilities will be arranged on a temporary basis (By supply through Tankers, BWSSB) and the same will be maintained without any adverse impact on the environment. SOCIO- ECONOMIC ENVIRONMENT The construction of residential apartment will immensely benefit the local populace due to the direct employment opportunities it creates during its implementation and also by way of indirect employment opportunities provided by other associated activities of the project. MANAGEMENT MEASURES FOR FLORA AND FAUNA FLORA: The residential apartment is being developed in an area which is converted land which was earlier vacant land. The project proponents intend to develop good vegetations in the vacant land of the project. The proponents of the project intend to plant saplings along the boundary of the project to provide lung space for the commercial complex. FAUNA: The establishment is coming up in an area which is infrastructurally developed and as the proposed project has not resulted in displacement of native fauna. There is no scope of the management measures for protection of fauna.
EMP WHICH HAS TO BE UNDERTAKEN DURING CONSTRUCTION PHASE CAN ALSO BE DESCRIBED AS: In the impact assessment following four activities has been identified as causing impact of different degrees on the environment during construction phase. 1. Leveling and Site clearance 2. Transportation of construction materials 3. Construction activity and 4. Labour camps of construction workers. MITIGATION MEASURES: Each of the above activities during construction phases are critically reviewed for suggestion of mitigation measures. Based on this the following table s gives the mitigation measures for the activities considered to be causing significant environmental impacts during construction phase. In general the best housekeeping practices are incorporated in the design as well as construction phase to reduce the short terms impacts due to construction activities.
ENVIRONMENTAL MANAGEMENT DURING LEVELING AND SITE CLEARANCE: As the project location is a vacant land without any habitation and prominent vegetation, there is no rehabilitation and tree felling is envisaged. The superstructures are planned in such a way as not to involve too much earth work for leveling. ENVIRONMENTAL IMPACTS Soil erosion Noise generation: Caused due to excavators and bulldozers. MITIGATION Extent of vegetation removal shall be minimized to prevent extent of soil erosion. Vegetative cover shall be reprojected / rehabilitated at the earliest practicable time to minimize duration and extent of soil erosion. Most optimum no. of operation by the heavy equipment. Selection of equipment with less noise generation to be used. The earth moving equipment shall be periodically checked and maintained for noise levels. Since the site is more or less even use of these earth moving equipments may not be necessary. REMARKS Implementation responsibility; project consultant and during preconstruction and industry during construction phase. To reduce noise level, equipment provided with noise control devices will be used. Implementation responsibility: contractor
Dust generation: Leveling operations results in the emission of the dust. The workers shall be provided with adequate PPE such as ear plugs to reduce impact of height noise levels. The site cleared shall be periodically watered to reduce emission of dust particles. The workers shall be provided with PPE such as nose masks and goggles to reduce impact on health. Tertiary treated sewage from BWSSB STP will be used. Implementation responsibility: contractor
EMP FOR CONSTRUCTION PHASE IMPACTS TRANSPORTATION OF CONSTRUCTION MATERIALS During the transportation of construction materials, minimum no. of vehicles is used. Most optimum route is planned to reduce the impact of transportation activity on the environment. It is estimated that around 15 vehicle trips will run per day for the transportation of raw materials. As the existing traffic in the approach road is not significant, this additional traffic would not create any hassles. Also the raw materials will be transported during less traffic hours.
ENVIRONMENTAL MITIGATION IMPACTS Noise generation Quality fuel is used. Periodic maintenance of vehicle is required Dust generation Quality packaging of the construction materials Construction materials shall be covered with tarpaulin sheets to prevent the material from being air borne The vehicle speed shall be regulated The workers transporting material shall be provided with PPE such as nose masks to reduce impact of air borne dust on their health. Vehicular Periodic emission check for emissions vehicles is required Clean fuel shall be used for vehicles REMARKS Implementation responsibility : Contractor Implementation responsibility : Contractor Implementation responsibility: contractor
EMP FOR CONSTRUCTION PHASE IMPACTS CONSTRUCTION ACTIVITIES During the construction work, the following impacts are identified to monitor and mitigate the level of impact. Environmental impacts Noise generation Mitigation Selection of less noise generating equipment. Personal protective equipment(ppe) such as ear plugs and helmets shall be provided for construction workers Remarks Implementation responsibility: Contractor Dust generation The working hours shall be imposed on construction workers PPE in the form of nose masks shall be provided for construction workers Implementation responsibility: Contractor Air Emissions from construction machinery Use of water sprays to prevent the dust from being air borne Periodic check and regular maintenance of construction machinery for emissions. Clean fuel shall be used in equipments Implementation responsibility : Contractor
EMP FOR CONSTRUCTION PHASE IMPACTS LABOUR CAMPS The sewage generated from the labour camps during construction is estimated to be about 10.0 Lt/Capita/Day. This will be treated in septic tank and soak pit in the proposed project. Environmental impacts Domestic Wastewater generation Usage of water Solid waste generation Mitigation Provision of adequate sanitary facilities Sewage will be treated in septic tank and soak pit. Water for labour camps shall be supplied in required quantities and from BWSSB supply. Segregation of dry waste and wet waste Adequate facilities to handle solid wastes shall be provided and the biodegradable portion will be sent for proposed composting unit. Remarks Implementation responsibility : Project authority Implementation responsibility : Project authority Implementation responsibility : Project authority Recycling of recyclable wastes such as plastics, metals etc.
DISPOSAL OF EXCAVATED EARTH: The excavated earth which is generated during construction will be used for backfilling and development of landscape and the surplus quantity would be transported to the designated sites for land filling. Personnel safety system: It is planned to adopt the safe working practices which shall govern all construction works undertaken throughout the project. Following safety aids to all laborers will be provided. Safety helmets Safety belts Safety shoes Hand gloves Gumboots while concreting Safety goggles while welding/ stone dressing etc. Face masks and full body kit while pest control. Implementation of safety procedures such as: Using proper lifting techniques Using safe scaffolds Hot work permits for fabrication and welding
ENVIRONMENTAL ASPECTS AND MANAGEMENT PLAN DURING OPERATIONAL OR OCCUPATIONAL PHASE: Air Environment. The occupational or operational phase of the apartment will result in marginal impact on the air quality due to operation of DG sets. DG sets of capacities 1640 KVA of one number are planned to install as alternative or back up source of power supply. These DG sets are operational whenever there is break down in power supply form BESCOM and therefore will result in gaseous emissions such as NOX, SOX and also particulate emissions (PM), which is controlled by using ultra pure low sulfur content diesel. The DG exhausts is net out through a stack of height above the building Terrace Level. The stack will be provided with portholes, access ladder common chimney of 10 feet above roof level and platform to enable monitoring of emissions if required. Noise Environment The main source of noise generation in the plant during occupational phase is DG sets. DG sets are housed in an isolated, acoustically enclosed area so that the noise is dissipated before it is propagated to the surrounding areas. The DG operator will be provided with earplugs to prevent direct exposure to noise.
Water Environment The total water requirement to meet the domestic consumption of this project is about 4,71,150 litres/day., which will be derived from the BWSSB. Adequate water storage facilities shall be provided to store the water within the premises so that the portable water supply is ensured to the individual residential units. Domestic Sewage & its Disposal Details The domestic sewage generated from the residential apartment is conveyed to the Sewage Treatment Plant designed based on Extended Aeration Activated Sludge Process (EAASP) with primary, secondary and tertiary treatment units. The detailed proposal for the treatment of the domestic waste and disposal options is presented in a separate section. SOLID WASTE: A. Secondary Sludge from STP The solid waste generated from the apartment is in the form of stabilized secondary sludge from the plate & frame filter press of the sewage treatment plant, the solids obtained as semi slid cakes are used as organic manure for the development of plantations within the premises of the residential project. The quantity of secondary sludge from the secondary settling units of the treatment plant is calculated as below. Basic Assumptions: Assumed type of sludge :Secondary Biological Concentration of Solids:1% Specific Gravity:1.2 Minimum Dry solids Allowable in the sludge solid cake: 25-30%.
Sludge cake characteristics: Cake thickness :32mm Wet cake density:1280 Kgs/m3 Cycle time Feed:20 minutes Compression:15 minutes Cake Discharge:25 minutes Total :60 minutes Daily Sludge Solid generation = 70 Kgs/day.
B. Refuse or Garbage The residential apartment generates refuse or garbage from individual units, which are mostly organic or biodegradable in nature and to some extent also inorganic in nature. The quantity of refuse or garbage expected from the residential apartment will about 1396 Kgs/Day. The organic refuse about 837.6 Kgs/Day (60%) of the total Solid Wastes generated mainly consists of the vegetable cuttings; peel off, paper cutting and other waste. The inorganic refuse about 558.4 Kgs/Day(40%) of the total solid generated consists of non biodegradable waste such as plastics, rubber and any other solid waste such as aluminum foils, plastic cans etc. The above wastes are separately segregated during its generation itself and the waste is collected in separate color-coded bins. We proposed to provide organic waste convertor to treat the organic waste in our own premises. The manure produced from the organic waste convertor will be utilized for lawn and gardening purposes in our own premises, and the remaining manure will give it to nearby farmers. The inorganic waste will be sent to authorize reprocessors. A committee of the residents of the apartment will be formed to monitor and look after the collection and disposal of the solids wastes from the apartment in such a way that it is scientifically disposed without causing the eyesore or adverse effect to the surrounding environment. A nominal charge will be collected from the individual households to wards to management & disposal of solid wastes by the committee.
GREEN BELT DEVELOPMENT The residential apartment will be located in total plot area 44,211.91 Sq. Mt. Built up area is 94,148 Sq.Mt. Available Greenbelt area is 23152.16 Sq.Mt. The proponent of the project is proposed to utilize this land development of greenery and vegetation. The hydraulic load computation is worked out and the same is appended later in the report. Vegetation is the natural extension of the soil ecosystem on a site. It can provide summer shade, wind protection and a low-maintenance landscape that is adapted to the local environment. Unfortunately, the common practice is to remove the existing landscape cover and replace with a generic, water and maintenance intensive lawn. Following approach will be adopted for vegetation and ground management. It is planned to include an ecologically knowledgeable landscape architect as an integral member of the design team. Preservation of existing vegetation, especially native plants. Avoid fencing off property where possible to make landscape available to community increasing project integration. Decrease paving and monoculture lawns. Avoid replacing mature trees with young seedlings. Protect existing plants during construction. Delineate the drip line around trees and demark or fence off areas to avoid damage. Contain heavy equipment and stockpiling areas to predefined areas. Design new plantings as diverse communities of species well adapted to the site. Plant native species of varying ages. Planting of medicinal plants and local fruit bearing species such as Neem, Honge, Maavu, Jackfruit should be preferred. Avoid invasive species and monocultures (same species, same age)
EMP WHICH HAS TO BE UNDERTAKEN DURING OPERATION PHASE CAN ALSO BE DESCRIBED AS: Following are the identified operational phase activities in the impact assessment chapter that may have impact on the environment. 1. Air quality; 2. Water quality; 3. Noise quality; 4. Solid waste disposal; 5. Green belt development. 6. Storm water management, and 7. Vegetation and ground management. The pollutants envisaged from the proposed project are PM10, PM2.5, SO2, NOX, HC and CO mainly due to burning of liquid fuel (HSD) in DG. Exhaust from DG set will be emitted from stack of adequate height for dispersion of gaseous pollutants. The green belt development is also proposed covering about more than 33% of the plot area. Following table presents the EMP for air quality management during operation phase.
MANAGEMENT OF AIR QUALITY DURING OPERATIONAL PHASE Environmental impacts DG set Mitigation Equipment selected will ensure the exhaust emission standard prescribed as per the latest amendments from the MOEF. DG will be used as stand-by unit periodic check and maintenance Ambient air quality Ambient air quality monitoring as per the prescribed norms at regular interval.