Environmnetal Management Plan (EMP)

Transcription

1 Environmnetal Management Plan () M/s Meenakshi Re Rollers Pvt. Ltd. (Mini Steel Plant) Location of Project Sector A-2, Industrial Area Gandhari, Datiya District Datiya, Madhya Pradesh Product- Billets, TMT Bars, MS Angles & Channels Capacity Metric Tonne per Annum (MTPA) Project Proponent M/s Meenakshi Re Rollers Pvt. Ltd. 368, Civil Lines, Jhansi (U.P.) Environment Consultant Creative Enviro Services 42, Doorsanchar nagar, E-8 Extension, Gulmohar, Bhopal- 39 QCI-NABET Accredited Consultant, Sr. No.30 CES, BHOPAL 0

2 ENVIRONMENTAL MANAGEMENT PLAN 1.0 Structure of Environmental Management Plan () is the key to ensure a safe and clean environment. The desired results from the environmental mitigation measures proposed in the project may not be obtained without a management plan to assure its proper implementation & function. The envisages the plans for the proper implementation of mitigation measures to reduce the adverse impacts arising out of the project activities. This chapter includes following aspects: Pollution control/mitigation measures for abatement of the undesirable impacts caused during the construction and operation phase. Details of management plans (Greenbelt development plan, Solid waste management plan etc.) Institutional set up identified/recommended for implementation of the. Post project environmental monitoring programme to be undertaken. Expenditures for. 1.1 Environmental Management during Construction Stage During excavation and transportation on roads at the plant site, there is a scope for local fugitive dust emissions. Frequent water sprinkling in the vicinity of the construction activity should be done. There is a likelihood of fugitive dust from the construction activity and material handling from the truck movement in the premises of the plant. The industry shall take up tree plantation program around the plant site. It shall be ensured those construction vehicles are properly maintained. The vehicle maintenance area shall be located in such a manner, so as to prevent contamination water sources by accidental spillage of oil. CES, BHOPAL 1

3 Proper care shall be taken for storage of HSD etc. Site shall be identified for the storage of such flammable liquids, away from the main plant. The storage shall be as per institutional safety standards. The construction workers shall be provided with sufficient and suitable toilet facilities to allow proper standards of hygiene. Onsite workers using high noise equipment shall adopt noise protection devices. Noise prone activities will be restricted to daytime hours only. Hazardous material will be stored in proper areas. After completion of construction activities the rubbish shall be cleared and disposed to nearby authorized sites. Environmental Impacts Soil erosion Noise generation Dust generation Table 1.1 for Construction Phase Impacts "Site Clearing" Mitigation Remarks Extent of vegetation removal shall be minimized to prevent extent of soil erosion. Vegetative cover shall be re-projected /rehabilitated at the earliest practicable time to minimize duration & extent of soil erosion. 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. The workers shall be provided with adequate PPE such as earplugs to reduce impact of high 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. Implementation responsibility: 1. Project Proponent 2. Contractor There is no vegetation on the proposed site. Implementation responsibility: Project Proponent Contractor Implementation responsibility: Project Proponent Contractor CES, BHOPAL 2

4 Environmental Impacts Noise generation Table 1.2 for Construction Phase Impacts "Transportation of Construction Materials Mitigation Remarks Periodic maintenance of equipments is required. Dust generation 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 materials shall be provided with PPE such as nose asks to reduce impact of air borne dust on their health Vehicular emissions Periodic emission check for vehicles is required. Clean fuel shall be used for vehicles. Implementation responsibility: Project Proponent Contractor Implementation responsibility: Project Proponent Contractor Implementation responsibility: Project Proponent Contractor Table 1.3 for Construction Phase Impacts "Construction Activities Environmental Mitigation Remarks Impacts Noise generation Personnel Protective Equipment (PPE) such as ear plugs and helmets shall be provided for construction workers. The working hours shall be imposed on construction workers. Dust generation PPE in the form of nose masks shall be provided for construction workers. Use of water sprays to prevent the dust Contractor from being air borne. Implementation responsibility: Project Proponent Contractor Implementation responsibility: Project Proponent Contractor Air Emissions from Construction machinery Periodic check and regular maintenance of construction machinery for emissions Clean fuel shall be used in equipments. Implementation responsibility: Project Proponent Contractor CES, BHOPAL 3

5 1.2 Water resources and quality Following mitigation measures will be adopted to avoid impact on water resources Construction equipment requiring minimum water for cooling and operation for optimum effectiveness shall be chosen. High pressure hose will be used for cleaning and dust suppression purposes. Water harvesting measures would be taken. Appropriate sanitation facilities, soak pits and septic tanks will be provided for the workers onsite and offsite to reduce impact on water resources. Regular maintenance will be done during the entire life cycle. No discharge of construction wastes to surface water bodies or ground water will be allowed during construction. Efforts will be made for reuse of water and its conservation. During Construction period in rainy season, the water quality is likely to be affected due to the construction work and loosening of topsoil. This is likely to increase the suspended solids in the run off during heavy precipitation. In order to reduce the impact on water quality, temporary sedimentation tanks will be constructed for the settlement of the suspended matter. However, it is envisaged that the monsoon period will be avoided for cutting and filling of earthwork. Additionally, following measures will be taken to avoid the surface water pollution. Soil binding and fast growing vegetation grass would be grown around the construction site before commencement of construction activity to reduce soil erosion; Appropriate sanitation facilities to be provided for the construction workers to reduce impact on ground water resources and also to maintain hygienic conditions. There is no possibility of ground water contamination, as no waste will be discharged to ground water bodies during construction. However sewage generated during the construction phase will be treated in the Septic Tank and Soak Pit. Wherever construction wastes need to be disposed off on land or of - site, the same will be disposed off in a proper manner. CES, BHOPAL 4

6 1.3 Air Quality During Construction period, there is likely hood of generation of dust and NOx emission. This can be attributed to leveling activity and vehicular movement. The transport vehicles using petrol or diesel will be properly maintained to minimize smoke in the exhaust. Since, there is likelihood of fugitive dust from the construction activity, water sprinkling will be done. In addition to this following measures will be taken during the construction phase to reduce the impact on the air quality. Any vehicle not meeting the vehicular pollution standards will not be allowed within the construction activity. Water will be sprayed by water tankers during dust generating construction activities e.g. excavation, crushing/demolishing, concrete mixing, material handling etc. to suppress dust; and Vehicles delivering loose and fine materials like sand and fine aggregates shall be covered by tarpaulin to reduce spills on roads. The height from which excavated materials are dropped shall be controlled to a minimum practical height to limit fugitive dust generation from unloading. The random Ambient Air Quality Monitoring shall be done to ensure that the significant impacts are being mitigated adequately. 1.4 Noise Level The noise impact on the surrounding population during the construction phase will be within the acceptable limits. High noise generation equipment, if used will be operated during the daytime only and completely restricted during night hours and this eliminates any possible discomfort to the nearby communities. Community noise levels are not likely to be affected because of the vegetation and likely attenuation due to the physical barriers. The following recommendations will be implemented: Provision of insulating caps and ads at the exit of noise source on the machinery; Construction equipment generating minimum noise and vibration be chosen: The use of damping materials such as thin rubber / lead sheet for wrapping the work places line compressors, generators sets. CES, BHOPAL 5

7 Shock absorbing techniques will be adopted to reduce impact; Inlet and outlet mufflers will be provided which are easy to design; Ear muffs will be provided to the workers and it will be enforced to be used by the workers; and Greenbelt will be developed along the periphery of the proposed site. Ambient Noise Level Monitoring shall be conducted at suitable location at periodic intervals during construction phase to conform to the stipulated standards both during day and night time. 1.5 Solid /Hazardous Waste Management The hazardous materials used during the construction may include petrol, diesel, Welding gas and paints. These materials will be stored and handled according to the MPPCB guidelines. Diesel and other fuels will be stored in separate enclosures; Wherever possible, hazardous raw materials to be substituted by non- hazardous materials, e.g. Cleaning solvent can be replaced with film free biodegradable cleaners. Usage of non chlorinated strippers instead of strippers containing methylene chloride and substitution of water based paint for oil based ones; Separate storage of waste paints, thinners, contaminated rags and brushes will be adopted. Vehicle maintenance area to be designed to prevent contamination of ground water by accidental spillage of oil; and Maintaining appropriate inventory control. 1.6 Site Security Adequate security arrangement will be made to ensure that the local inhabitants and the stray cattle are not exposed to the potentials hazards of construction activities. 1.7 Traffic Pattern Heavy vehicular movement will be restricted to daytime only and adequate parking facility is being provided. CES, BHOPAL 6

8 1.8 Solid Waste Generation The solid waste generated during the construction phase is usually Excavated earth material and Construction debris. Excavated earth material will be reused for backfilling between foundations; to fill up the low -lying areas and whereas, topsoil will be reused for Landscaping/Greenbelt development purpose. Construction debris as far as possible will be reused / recycled for back filling / sub base work for roads & pavements. 1.9 Ecological Aspects Plantation of dust absorbing trees and shrubs near the dust generating areas. Plantation of soil binding plants e.g. grass will be carried out to avoid soil erosion. Plantation of noise attenuating species to reduce noise pollution both during the construction as well as in the operation stage. Stabilization of all disturbed slopes before the onset of monsoon to avoid soil erosion. Cutting of existing trees/bushes/ other vegetation will be avoided as for as possible or will be minimized. Operation of high noise producing equipment will be avoided during night time to avoid impact on the immediate vicinity of the proposed project site surroundings. Use of best available construction technology to minimize impacts on flora and fauna of the project site area Aesthetics Existing aesthetics of the site will be tried to maintain by taking appropriate measures in different activities. Existing peaceful environment will be maintained in the vicinity of the project site. The excavated material dump will not be permitted to become a major visual feature of the local landscape. The height of the dump will not exceed the mature tree top level in the area. CES, BHOPAL 7

9 1.11 Socio -Economic Local people from Datiya and nearby villages of the surroundings of the site will be employed for construction work to the maximum extent possible. Proper facilities for domestic water supply and sanitation services will be made available to the construction workers at the site. An ambulance shall be available in the premises 24x7 to take off any emergency. First aid boxes are provided in each section of all shop floor departments. All weather related precautions are taken care of. In rainy season raincoats are provided to the personnel who are required to work in open Operation Stage Air Environment: The mitigation measures needs to be adopted during the operation stage to control the negative impacts on air environment of the surrounding of the project area given below: Dense green belt is planted around the dust generation points at surface. Trees are planted on both sides of the roads used for transportation in order to arrest dust. Water sprinkling along the haul road Proper maintenance air pollution control equipment Regular maintenance of vehicles and machinery s in order to control emissions Cabins for shovel and dumpers and dust masks to workmen. A good house keeping and proper maintenance will be practiced in the industry, which helps in controlling pollution. In addition to the above, the following measures shall be taken: To Control the emission from the furnace a 30m high Chimney will be provided for batter air dispersion attached with Induction furnace. Details of Air Pollution Control Equipments are given in Table 1.4 Port holes shall be provided with the chimney along with ladder. CES, BHOPAL 8

10 A chimney shall be provided with the DG set of 500 KVA. The Stack height is determined based on the KVA of the DG set. The following formula, recommended by Central Pollution Control Board has been used to compute the stack height. H= ht (root KVA) H = Theoretical height of proposed stack in mts Ht = Roof height in mts Based on the above formula, the stack height works out to be m. However, Industries will install a tall stack of 30 m height from the ground level for 500 KVA DG Set. Water spraying shall be adopted at loading and unloading points, storage yards and near solid waste dumping yards which will reduce fugitive emissions due to movement of truck. All the internal roads has been made with RCC to reduce the fugitive dust due to truck movement. Green belt cover has been provided and shall be strengthen in next three years. Sources Induction Furnace 1 x 6T 1 X 8T Table 1.4 Details of Air Pollution Control Equipments Control Equipments Type of hood to capture fumes Canopy Type Outlet Stack emission system < 50 mg/nm 3 Type of filter Used Reverse Pulse Jet cleaning, Company will explore the possibility of 2 nd stage APCD D. G. Set (500 KVA) Acoustic Canopy shall be installed. The following steps shall be taken for smooth functioning of Bag filters. 1. Dust from the bag filters shall be disposed off on regular Intervals which prevent pressure drop across the bag filter and improve the Suction efficiency. 2. Manometers shall be provided to check the pressure drop across the Bag filter so as to identify the leakages/ chockage of the bag filters. CES, BHOPAL 9

11 3. Maintenance schedules shall be made for checking the bag filters, ID fans shall be followed. 4. Industry will keep the record regarding their dust generation from air pollution control systems. Air Curtain Most of the furnaces are using man-coolers installed on the charging platform to provide comfort to the workers working near the furnace area because of intense heat. But it has been observed that the workers are directing these man-coolers towards the furnaces to throw away the high temperature dust emissions being generated during furnace operation. This would result in poor suction efficiency of the air pollution control device with high dust level in the work zone environment as well as in the ambient air. To counter this effect, the company will install APCDs of higher air handling capacities with higher energy consumption. An air curtain is recommended to be provided to provide the cool air to the workers without interfering with the operation of APCD. The schematic arrangement of the air curtain is shown as under Fig.1.1: Figure 1.1 air curtain Containment system It has been observed that most of the induction furnaces have provided low canopy hoods for the containment of dust emissions being generated from the furnaces during melting of the raw materials. The raw materials i.e. scrap and sponge irons are being charged into the furnace throughout the cycle time of around 2 hrs. In low canopy hoods, the distance between the furnace and the hood is being maintained as m. It has been observed that most of CES, BHOPAL 10

12 the furnaces are not able to keep the hood on the furnace because of the operating problems faced during poking of the charge materials into the furnace and the irregular size & shape of the scrap. Moreover the suction of the emissions into the hood was also affected by the man cooler installed on the charging platform and the cross currents. Although the man cooler is being provided for the comfort of the workers because of the intense heat on the platform but the workers are using this high RPM fan to throw away the dust emissions / fumes being generated from the furnace. Moreover it has been observed that number of industries is upgrading their furnace capacity without upgrading the capacity of the pollution control device. This would lead to poor suction efficiency of the air pollution control system with high dust levels in the work zone environment. The dust coming out from the sheds would further deteriorate the quality of the ambient air. The containment system shown in the figure 1.2 was found effective in containing the emissions and recommended for plant of M/s Meenakshi Re Rollers Pvt. Ltd at Gandhari Industrial area, Datiya. Figure 1.2 containment system CES, BHOPAL 11

13 Figure 1.3 Primary & Secondary Air Pollution Control System CES, BHOPAL 12

14 In the above said containment system, the hood is placed at a height of 1.2 m above the furnace so that the workers will not face any problem during poking of the raw materials and irregular size & shape of the scrap. Two side hoods are proposed to take care of the cross currents. The pivot arrangement for swiveling the hood is proposed on the pouring side of the furnace with underground ducting to air pollution control device. This type of arrangement will not provide any obstruction to the movement of overhead crane. The proposed containment system would increase the volumetric flow rate requirements. Alternatively for the furnaces which are using clean scrap and keeping the lid of the furnace closed during melting of the raw materials in the furnace, annular ring shall be provided along the circumference of the furnace with side suction so as to contain the emissions. The figure showing is Fig. 1.4 the same is as under: Figure 1.4 Containment System CES, BHOPAL 13

15 1.13 Water Environment Water requirement for proposed project will be met from DIC Datiya. The water will be used mainly for cooling purposes. The proposed steel making and rolling facility shall have efficient cooling water recycling system with minimum drift was by using proven cooling tower and heat exchanger. For the soft water circulating in the closed loop, a dedicated softener plant has been proposed and the waste, water shall be used for water the coconut trees.plants shall also be planted in the vicinity of water plant. There is no any effluent generation from this process. The quantity of domestic generated of about 5m 3 /day will be taken to septic tank attached with soak pit. Apart from above, following additional measures will minimize operational impacts: There will be no any effluent water in this process Closed circuit cooling system will be provided in cooling of products. Hence there will not be any waste water generation from process and cooling in the steel plant. The only wastewater that is generated will be sanitary waste water.. Use of high pressure hoses for area cleaning For removal of oil, oil skimmer will be provided, and collect in separate MS drums and the clean water shall be reused for process of cooling. Storm water drains shall be provided to avoid flooding in the proposed project site area and provision will be made for runoff get diverted to recharge pits Water Conservation Measures The softener will be used instead of DM water plant, and the rejects shall be used for slag quenching. Reduce blow-down/bleed-off by adjusting the Cycles of Concentration- If the Cycles of Concentration limit for blow-down is set too low, then water will be drained sooner than is necessary. Every time the tower is drained it must be refilled, which requires a substantial amount of water. By increasing the Cycles of Concentration, it is possible to get the maximum utilization from every kiloliters of water. To determine the optimum level of Cycles, a trained water treatment professional will be consulted. Also, it will CES, BHOPAL 14

16 insure that proper chemical treatment will be done for maximizing the Cycles of Concentration in order to minimize water consumption Noise Environment: Personnel working near noisy areas shall be provided with adequate personal protective equipment such as earplugs and earmuffs, use of which will be strictly enforced. Sophisticated and low noise generating equipments will be selected. The equipments will be maintained at all times to ensure permissible noise levels. Appropriate advanced silencers, acoustic barriers; vibration-reducing pads will be provided for all noise generating equipments. The sources of continuous noise generating equipment such as compressors, pumps, motors etc will be designed to have noise level not exceeding 85-90dB(A). It would be ensured that there would not be any operator near the noise generating equipments on continuous basis. Boundary walls and dense green belt will be erected to act as acoustic barriers. Adequate and appropriate type of green belt would be developed in and around the proposed project site for noise mitigation in the area Solid Waste & Hazardous Waste Management Furnace slag will be generated from induction furnace (10000MTPA) as solid waste the same will be crushed in to crusher and segregated in to metallic and non metallic contents. Metallic content will be recycled back as raw material for captive utilization and non metallic content will be disposed off for road embankment, brick manufacturing. A unit of iron recovery from slag has been installed and the recovered iron shall be used with scrap to charge in induction furnace. Solid wastes will be stored separately in a Solid Waste Storage Area within the factory premises on non -percolating R.C.C. floor and covered roof. Waste papers and boxes will be sold off to vendors/ recyclers CES, BHOPAL 15

17 Used oil from DG set will be given to authorized recyclers. S. No. Type of Solid Waste Proposed Disposal measures 1 iron Slag 6000 MTPA A unit of iron recovery from slag will be installed and the recovered iron shall be used with scrap to charge in induction furnace. The remaining part shall be used for civil work & bricks manufacturing. 2 mill scales (Rolling Mills) 2000 MTPA Will be reused in IF 1.19 Greenbelt Development The company will cover 0.32 ha of land with plantation/greenbelt. The species selected for greenbelt development shall fulfill the following specific requirements of the area: Tolerate to specific conditions. Shall have rapid growth rate. They shall rich canopy and shielding property. Large bio-mass and leaves to provide fodder and fuel. As for as possible shall be native in nature. Table 1.5 Budget for Plantation S. No. Head Qty Rate (Rs.) Amount (Rs.) 1. Plantation /- The plantation will be completed within three years Ecological Aspects The following measures are proposed to have minimum impact on ecology of the project area: Zero discharge of wastewater from the proposed plant in the operation stage Socio Economic Aspects Local people of Datiya and nearby villages surrounding the site will be employed to the maximum extent. CES, BHOPAL 16

18 Proper medical, firefighting, transportation, potable water supply, proper sanitation facility, and other necessary services infrastructure will be provided to take care the basic needs of the project employees and their families. Table 1.6 Expenditure on Environmental Management Plan Sr. Particular Cost in INR Recurring Cost INR No. 1 Air Pollution Control equipments / /- 2. Emission monitoring at source and /- ambient air quality monitoring 4. Green belt development / /- 5. Establishment of environmental / /- management cell and environmental monitoring Total capital expenditure / / Environmental Management Cell Environment Management Cell shall be formed under supervision of consultant. Pollution Control Board will be referred to for their valuable suggestions. Objective of the cell will be - Minimize waste Actively promote recycling internally e.g. water & solid waste Meet or exceed all the environmental legislation Priority for monitoring schedule will be as under: Air quality at work place/transfer points Noise levels Water table monitoring & its recharge Water quality monitoring Re- vegetation & green belt development Occupational health Socio-economic development Environmental cell will be responsible for Checking of safety related operating conditions. Visual inspection of safety equipments. CES, BHOPAL 17

19 Annual environmental statement. An accredited agency will be retained to generate data in respect of air, water, noise, soil and meteorological data. Timely renewal of Consolidated Consents & Authorization (CC & A) will also be taken care of. Submission monitoring report to MOEF & SPCB. Mitigation or corrective measures as required Environmental Management Cell Director General Manager Work Manager Horticulturist Electrician APCD An independent department is being taken care of all the equipment pertaining to fume extraction plant, water circulating system and electrical energy audit. The team of engineer will get implemented all the guide line prescribed by pollution board and their reporting shall be to Executive Director / Managing Director. The monitoring system will have the prescribed form to check the respective area on daily / monthly basis and if required monitoring of the environment shall be carried out by engaging an outside independent agency. The company is having its Environmental Policy approved by Board of Directors of the Company. CES, BHOPAL 18