State Environmental Impact Assessment Authority (SEIAA) Environment Department, Room No

18.12.2015

State Environmental Impact Assessment Authority (SEIAA) Environment Department, Room No. 217, 2nd floor, Annex building, Mantralaya, Mumbai, 400032 State: Maharashtra FORM – 1 & 1A

Amendment in Environmental Clearance for “PERMANENT MAGNET”

At CTS NO.162/A Datta Pada Road, Village Magathane, Taluka Borivali, Borivali (E)

M/s. SAMEER N. BHOJWANI. Samir Complex, 1st,2nd floor, St. Andrews Road, Holy Family Hospitals, Bandra (W), Mumbai- 400 050

FORM – 1

Amendment in Environmental Clearance for “PERMANENT MAGNET”

At CTS NO.162/A Datta Pada Road, Village Magathane, Taluka Borivali, Borivali (E)

M/s. SAMEER N. BHOJWANI. Samir Complex, 1st,2nd floor, St. Andrews Road, Holy Family Hospitals, Bandra (W), Mumbai- 400 050

APPENDIX - I (See paragraph - 6) FORM 1

(I) Basic Information Sr.No. Item Details 1. Name of the project/s Amendment in Environmental Clearance for “PERMANENT MAGNET” at Borivali (E). State- Maharashtra 2. S. No. in the schedule 8 (B2) 3. Proposed Total plot area: 11671.4 Sq. m. capacity/area/length/tonnage to Built up area as per FSI: 27688.28 Sq. m. (Including fungible area) be handled/command area/lease Total construction built-up area: 80750.60 Sq. m. area/number of wells to be Project proposal: drilled One Residential Building: Flats: 241 1Basement + Stilt + 2 Podia + 45 upper floors

4. New/Expansion/Modernization Amendment in Environmental clearance 5. Existing Capacity/ Area etc. Received earlier EC dated 28th September 2011. Earlier Environmental clearance enclosed as Enclosure 1. 6. Category of project i.e.’ A’ or 8 (B2) ‘B’ 7. Does it attract the general Not Applicable condition? If yes, please specify. 8. Does it attract the specific Not Applicable condition? If yes, please specify. 9. Location Data Pada road, Borivali (Mumbai) Plot/Survey/Khasra No. C.T.S. No. 162/A Village Magathane Tehsil Borivali District Mumbai Suburban District State Maharashtra 10. Nearest railway station Borivali Railway Station: Within 2 km. (Road distance) Nearest airport Airport : Mumbai Chhatrapati Shivaji Terminals : Within 16 km (Road distance) 11. Nearest Town, city, District Borivali (Mumbai) headquarters along with distance in kms. 12. Village Panchayats, Zilla Municipal Corporation of Greater Mumbai (M.C.G.M.) Parishad, Municipal Corporation, Local body (complete postal address with telephone nos. to be given) 13. Name of the applicant Mr. SAMIR N. BHOJWANI 14. Registered Address Samir Complex,1st , 2nd floor, St. Andrews Road, Holy Family Hospital, Bandra (W), Mumbai- 400 050 15. Address for correspondence Samir Complex,1st ,2nd floor, St. Andrews Road, Holy Family Hospital, Bandra (W), Mumbai- 400 050 Name Mr. Samir N. Bhojwani Designation Owner (Owner/Partner/CEO) Address Samir Complex,1st ,2nd floor, St. Andrews Road, Holy Family Hospitals, Bandra (W), Mumbai- 400 050 Pin Code 400 050 E-mail [email protected]

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 1 Telephone No. 66416000 Fax No. 66416014, 66416050 16. Details of Alternative Sites Not Applicable examined, if any. Location of these sites should be shown on a topo-sheet. 17. Interlinked Projects Not Applicable 18. Whether separate application of Not applicable interlinked project has been submitted? 19. If yes, date of submission Not applicable 20. If no, reason Not applicable 21. Whether the proposal involves approval/clearance under: if yes, details of the same and their status to be given. (a) The Forest (Conservation) Act, Not applicable 1980?

(b) The Wildlife (Protection) Act, Applicable. ( to be applied for NOC from NBWL) 1972?

(c) The C.R.Z Notification, 1991? Not applicable 22. Whether there is any No. Government Order/Policy relevant/ relating to the site? 23. Forest land involved (hectares) Not applicable 24. Whether there is any litigation No pending against the project and/or land in which the project is propose to be set up? (a) Name of the Court (b) Case No. (c) Order /directions of the Court, if any and its relevance with the proposed project.

(II) Activity 1. Construction, operation or decommissioning of the Project involving actions, which will cause physical changes in the locality (topography, land use, changes in water bodies, etc.) Sr. Information/Checklist Yes Details thereof (with approximate quantities /rates, No. confirmation / No wherever possible) with source of information data 1.1 Permanent or temporary change in No Previously there was engineering unit on site. Received NOC land use, land cover or topography for conversion of land use from Industrial to Residential (I to including increase in intensity of R) and same is attached as Enclosure 2. Now the land shall land use (with respect to local land be developed as residential development. use plan) 1.2 Clearance of existing land, Yes Demolition of existing structure is involved. vegetation and building? 1.3 Creation of new land uses? No -- 1.4 Pre-construction investigation e.g. Yes Geotechnical Investigation has been carried out and same is bore houses, soil testing? attached as Enclosure 3.

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 2 Sr. Information/Checklist Yes Details thereof (with approximate quantities /rates, No. confirmation / No wherever possible) with source of information data 1.5 Construction works? Yes Residential development. 1.6 Demolition works? Yes Debris shall be partly reused on site and partly disposed to authorized sites by authorized contractors. 1.7 Temporary sites used for Yes Temporary hutments with facilities like drinking water, construction works or housing of toilets etc. shall be provided. construction workers? 1.8 Above ground building, structures or Yes Excavated material partly shall be reused for backfilling if earthworks including linear possible and partly shall be disposed to authorized landfill structures, cut and fill or excavations site with prior permission of M.C.G.M.

Construction waste generated during construction activity shall be partly reused on site and partly disposed to authorized landfill site with permission of M.C.G.M. 1.9 Underground works including Yes Construction of 1 basement only. mining or Tunneling? 1.10 Reclamation works? No -- 1.11 Dredging? No -- 1.12 Offshore structures? No -- 1.13 Production and manufacturing No -- processes? 1.14 Facilities for storage of goods or Yes Temporary storage facilities to store the construction raw materials? material. 1.15 Facilities for treatment or disposal of Yes • STP for treatment of sewage solid waste or liquid effluents? • Solid waste will be segregated into non biodegradable and biodegradable garbage • Biodegradable waste will be treated in Organic Waste Converter and the non-biodegradable waste will be segregated into recyclable & non recyclable. Recyclable waste shall be handed over to M.C.G.M. and non recyclable waste will be handed over to recyclers. • Dried sludge from STP will be used as manure for gardening 1.16 Facilities for long term housing of Yes Cabins for Watchmen / Gardener etc. operational workers? 1.17 New road, rail, or sea traffic during No -- construction or operation? 1.18 New road, rail, air waterborne or No -- other transport infrastructure including new or altered routes and stations, ports, airports etc? 1.19 Closure or diversion of existing No -- transport routes or infrastructure leading to changes in traffic Movements? 1.20 New or diverted transmission lines No -- or pipelines? 1.21 Impoundment, damming, culverting, No -- realignment or other change to the hydrology of watercourses or aquifers? 1.22 Stream crossings? No --

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 3 Sr. Information/Checklist Yes Details thereof (with approximate quantities /rates, No. confirmation / No wherever possible) with source of information data 1.23 Abstraction or transfers of water No -- from ground or surface waters? 1.24 Changes in water bodies or the land Yes By considering the runoff prior to development and runoff surface affecting drainage or run- after development there is some increment in runoff of storm off? water. Incremental Runoff = 0.11 m3/sec 1.25 Transport of personnel or materials Yes Transport of construction materials. Precautions will be for construction, operation or taken to reduce the impact of the vehicular movement by decommissioning? trying to avoid the vehicular trips during peak hours. 1.26 Long-term dismantling or No -- decommissioning or restoration works? 1.27 Ongoing activity during No -- decommissioning which could have an impact on the environment? 1.28 Influx of people to an area in either Yes There will be influx of ~1205 persons. temporarily or permanently? 1.29 Introduction of alien species? No -- 1.30 Loss of native species or genetic No -- diversity? 1.31 Any other actions? No --

2. Use of Natural resources for construction or operation of the Project (such as land, water, materials or energy, especially any resources which are non-renewable or in short supply): Sr. Information/checklist Yes / Details thereof (with approximate quantities /rates, wherever No. confirmation No possible) with source of information data 2.1 Land especially undeveloped or No The land is in developed infrastructure area. agricultural land (ha) 2.2 Water (expected source & Yes During Construction Phase - competing users) unit : KLD For Workers : M.C.G.M: 12 KLD For Construction : From Water tankers : 15 - 20 KLD (Depending upon the activity).

During Operational Phase – During Non Monsoon Fresh water from M.C.G.M. = 108 KLD (for Domestic purpose) 2.3 Minerals (MT) No -- 2.4 Construction material – stone, Yes Quantity : As per requirement aggregates, and / soil (expected Stone aggregates demand will be met from the clay/soil source – MT) generated after excavation and from open market. Sources: The material required for construction activities shall be procured from company’s authorized / approved vendors only. The vendor’s performance will be monitored periodically. In case of urgency or non-availability of materials from authorized / approved vendors, it will be procured from the open market. 2.5 Forests and timber (source – Yes Timber will be required for doors. Timber will be sourced from MT) local suppliers.

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 4 Sr. Information/checklist Yes / Details thereof (with approximate quantities /rates, wherever No. confirmation No possible) with source of information data 2.6 Energy including electricity and Yes During Operational Phase – fuels (source, competing users) Source: Local Authority Unit: fuel (MT), energy (MW) Details Power requirement Connected load (KW) 4742 Maximum demand (KW) 3082 D.G sets (In case of 1DG sets of capacity 1250 kVA power failure) each

2.7 Any other natural resources (use No -- appropriate standard units)

3. Use, storage, transport, handling or production of substances or materials, which could be harmful to human health or the environment or raise concerns about actual or perceived risks to human health. Sr. Information/Checklist confirmation Yes / Details thereof (with approximate No. No quantities/rates, wherever possible) with source of information data 3.1 Use of substances or materials, which are No -- hazardous (as per MSIHC rules) to human health or the environment (flora, fauna, and water supplies) 3.2 Changes in occurrence of disease or affect No -- disease vectors (e.g. insect or water borne diseases) 3.3 Affect the welfare of people e.g. by changing No -- living conditions? 3.4 Vulnerable groups of people who could be No -- affected by the project e.g. hospital patients, children, the elderly etc., 3.5 Any other causes No --

4. Production of solid wastes during construction or operation or decommissioning (MT/month): Sr. Information/Checklist Yes Details thereof (with approximate quantities / rates, No. confirmation /No wherever possible) with source of information data 4.1 Spoil, overburden or mine wastes No -- 4.2 Municipal waste (domestic and Yes The total quantities of solid waste: 543 Kg /day. or commercial wastes) (Biodegradable and Non biodegradable) 4.3 Hazardous wastes (as per Yes Waste oil generated from D.G. shall be stored at separate Hazardous waste Management location duly marked and will be sold to the authorized Rules) recyclers. 4.4 Other industrial process wastes No -- 4.5 Surplus product No -- 4.6 Sewage sludge or other sludge Yes Dried sludge from STP will be used as manure for the from effluent treatment. plants within the premises. 4.7 Construction or demolition Yes Excavated material partly shall be reused for backfilling wastes. and leveling and partly shall be disposed to authorized landfill site.

Construction waste generated during construction activity shall be partly reused on site and partly disposed to authorized landfill site with permission of M.C.G.M.

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 5 Sr. Information/Checklist Yes Details thereof (with approximate quantities / rates, No. confirmation /No wherever possible) with source of information data 4.8 Redundant machinery or No -- equipment 4.9 Contaminated soils or other No -- materials 4.10 Agriculture wastes No -- 4.11 Other solid wastes No --

5. Release of pollutants or any hazardous, toxic or noxious substances to air (Kg/hr): Sr. Information/Checklist Yes Details thereof (with approximate quantities/rates, wherever No. confirmation /No possible) with source of information data 5.1 Emissions from combustion of Yes CPCB approved D.G. Sets will be used during power failure. fossil fuels from stationary or mobile sources 5.2 Emissions from production No -- processes 5.3 Emissions from materials Yes Fugitive dust emission due to handling and loading-unloading handling including storage or activities is envisaged during construction. Frequent water transport sprinkling and other dust suppression measures shall be done to minimize the fugitive emissions. 5.4 Emissions from construction Yes / The project may cause rise in dust levels during construction activities including plant and Margi phase. Precautions would be taken to reduce dust generation equipment nal during construction phase: • Water sprinkling at regular intervals to reduce control of dust generation 5.5 Dust or odours from handling Yes Dust generation will be controlled as described above. of materials including For odour control: Proper ventilation shall be provided around construction materials, sewage STP & solid waste management location and waste 5.6 Emissions from incineration of No -- waste 5.7 Emissions from burning of No -- waste in open air (e.g. slash materials, construction debris) 5.8 Emissions from any other No -- sources

6. Generation of Noise and Vibration, and Emissions of Light and Heat : Sr. Information/Checklist Yes / Details thereof (with approximate quantities/rates, wherever No. confirmation No possible) with source of information data. 6.1 From operation of equipment Yes For control of noise following measures shall be adopted: e.g. engines, ventilation plant, but • Properly maintained equipment with mufflers will be used crushers. negligi • High noise generating construction activities would be carried ble out only during day time • Workers working near high noise construction machinery would be supplied with ear muffs/ear plugs 6.2 From industrial or similar No -- processes. 6.3 From construction or Yes Noise levels may increase due to operation of machinery as well demolition. as transportation vehicles. This may cause nuisance to the nearby area. Following precautions shall be taken to control noise pollution: • High noise generating construction activities would be carried

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 6 Sr. Information/Checklist Yes / Details thereof (with approximate quantities/rates, wherever No. confirmation No possible) with source of information data. out only during day time • Installation, use and maintenance of mufflers on equipment • Workers working near high noise construction machinery would be supplied with ear muffs/ear plugs • Provision of barricades along the periphery of the site • Plantation of trees • Acoustic enclosure for DG sets 6.4 From blasting or piling. No -- 6.5 From construction or Yes During Construction phase: operational traffic. Transport of materials for construction work. Precautions will be taken to reduce the impact of the vehicular movement such as vehicular trips will not be at peak traffic hours.

Operation Phase : The vehicular parking will be restricted only in the adequate parking area provided, which would help in reducing noise pollution due to traffic congestion Tree plantation will also help to reduce the noise level and also will enhance air quality. 6.6 From lighting or cooling No -- systems. 6.7 From any other sources. No --

7. Risks of contamination of land or water from releases of pollutants into the ground or into sewers, surface waters, groundwater, coastal waters or the sea : Sr. Information/Checklist confirmation Yes Details thereof (with approximate quantities/rates, No. /No wherever possible) with source of information data 7.1 From handling, storage, use or spillage of No -- hazardous materials. 7.2 From discharge of sewage or other No The treated sewage will be reused for flushing and effluents to water or the land (expected gardening within the premises. Excess treated sewage mode and place of discharge). shall be disposed to the sewer line. 7.3 By deposition of pollutants emitted to air No Dust will be generated during construction phase into the land or into water. from earthworks and movement of vehicles. Appropriate fugitive dust control measures, including watering, water sprinkling of exposed areas and dust covers for trucks, will be provided to minimize any impacts. Stack height of DG set shall be as per CPCB guidelines 7.4 From any other sources. No -- 7.5 Is there a risk of long term build up of No -- pollutants in the environment from these sources?

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 7 8. Risk of accidents during construction or operation of the Project, which could affect human health or the environment : Sr. Information/Checklist confirmation Yes Details thereof (with approximate quantities/rates, No. /No wherever possible) with source of information data 8.1 From explosions, spillages, fires etc No -- from storage, handling, use or production of hazardous substances 8.2 From any other causes. No -- 8.3 Could the project be affected by -- Landslides are not expected in the area. natural disasters causing Management plan for flood is as follows environmental damage (e.g. floods, Floods: earthquakes, landslides, and • Storm water system would be checked at regular cloudburst)? interval for its proper functioning. Earthquake : The structure of the building is designed as per IS codes for zone III. Disaster Management Plan is referred as Enclosure 4.

9. Factors which should be considered (such as consequential development) which could lead to environmental effects or the potential for cumulative impacts with other existing or planned activities in the locality. Sr. Information/Checklist confirmation Yes Details thereof (with approximate quantities/rates, No. /No wherever possible) with source of information data 9.1 Lead to development of supporting facilities, ancillary development or development stimulated by the project which could have impact on the environment e.g.: • Supporting infrastructure (roads, No Supporting infrastructure is already in existence power supply, waste or waste water treatment, etc.) • housing development Yes Residential development • extractive industries • supply industries • other 9.2 Lead to after-use of the site, which No -- could have an impact on the environment 9.3 Set a precedent for later developments Yes Will create job opportunity in construction and operation phase with support staff like security, maintenance, household workers, shop keepers etc. 9.4 Have cumulative effects due to Yes Impacts on water availability, sewage disposal, storm proximity to other existing or planned water drainage, availability of electricity, traffic projects with similar effects congestion etc.

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 8 (III) Environmental Sensitivity Sr. Areas Name/ Aerial distance (within No. Identity 15 km.) from Proposed project location boundary 1 Areas protected under international Sanjay Gandhi National Park Within 2 km conventions, national or local legislation for their ecological, landscape, cultural or other related value 2 Areas which are important or sensitive Arabian Sea Within 10 km for ecological reasons - Wetlands, Vasai Creek Within 10 km watercourses or other water bodies, Mithi River Within: 9 km coastal zone, biospheres, mountains, Malad Creek Within: 8 km forests Dhaisar River Within: 3 km Tulsi Lake Within: 6 km Vihar Lake Within: 8 km Powai Lake Within: 11 km Thane Creek Within: 14 km Poisar River Within: 2 Km 3 Areas used by protected, important or Sanjay Gandhi National Park Within 2 km sensitive species of flora or fauna for breeding, nesting, foraging, resting, over wintering, migration 4 Inland ,coastal, marine or underground Arabian Sea Within 10 km waters Vasai Creek Within 10 km Mithi River Within: 9 km Malad Creek Within: 8 km Dhaisar River Within: 3 km Tulsi Lake Within: 6 km Vihar Lake Within: 8 km Powai Lake Within: 11 km Thane Creek Within: 14 km Poisar River Within: 2 Km 5 State, National boundaries None -- 6 Routes or facilities used by the public for Western Express Highway Within 0.1 km access to recreation or other tourist, pilgrim areas 7 Defence installations No -- 8 Densely populated or built-up area Mumbai Metropolitan Region -- 9 Areas occupied by sensitive man-made Mumbai Metropolitan Region -- land uses (hospitals, schools, places of worship, community facilities) 10 Areas containing important, high quality No -- or scarce resources (Ground water resources, surface resources, forestry, agriculture, fisheries, tourism, minerals) 11 Areas already subjected to pollution or No -- environmental damage. (those where existing legal environmental standards are exceeded)

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 9 Sr. Areas Name/ Aerial distance (within No. Identity 15 km.) from Proposed project location boundary 12 Areas susceptible to natural hazard No -- which could cause the project to present environmental problems (Earthquakes, subsidence, landslides, erosion, flooding or extreme or adverse climatic conditions)

(IV) Proposed Terms of Reference for EIA studies: Not Applicable

Form 1- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 10 18.12.2015

FORM –1A

Amendment in Environmental Clearance for “PERMANENT MAGNET”

At CTS NO.162/A Datta Pada Road, Village Magathane, Taluka Borivali, Borivali (E)

M/s. SAMEER N. BHOJWANI. Samir Complex, 1st,2nd floor, St. Andrews Road, Holy Family Hospitals, Bandra (W), Mumbai- 400 050 APPENDIX II (See paragraph 6) FORM-1 A (only for construction projects listed under item 8 of the Schedule)

CHECK LIST OF ENVIRONMENTAL IMPACTS [Project proponents are required to provide full information and wherever necessary attach explanatory notes with the Form and submit along with proposed environmental management plan & monitoring programme]

1 LAND ENVIRONMENT [Attach panoramic view of the project site and the vicinity] 1.1 Will the existing land use get significantly altered from the project that is not consistent with the surroundings? (Proposed land use must conform to the approved Master Plan / Development Plan of the area. Change of land use if any and the statutory approval from the competent authority to be submitted). Attach Maps of (i) site location, (ii) surrounding features of the proposed site (within 500 meters) and (iii) The site (indicating levels & contours) to appropriate scales. If not available attach only conceptual plans. Land Use Pattern: The project site under reference is located at C.T.S. No. 162/A at Data Pada road, village Magathane, Taluka Borivali, Borivali (E).

Previously there was engineering unit on site. Received NOC for conversion of land use from Industrial to Residential (I to R) and same is attached as Enclosure 2.

The following details are enclosed: 1. Site Location plan Enclosure 5 2. Layout Plan Enclosure 6 3. Google Image Enclosure 7

1.2 List out all the major project requirements in terms of the land area, built up area, water consumption, power requirement, connectivity, community facilities, parking needs etc. A. Connectivity and community facilities The project is Residential Development. It will be well connected by 41.50 m wide D.P road and Western express highway. Nearby railway station is Borivali station. Basic amenities like shopping, schools, hospitals etc. are nearby the project site.

B. Building Details: Table No. 1: Building details One Residential Building: Flats: 241 1Basement + Stilt + 2 Podia + 45 upper floors

C. Area Statement: Table 2: Area Statement

Sr. No. Description Area (Sq. mt.) 1. Total plot area 11671.4 2. Ground Coverage Area 6877.83 3. R G Area 3058.14 4. Built - up Area as per FSI (Including fungible area) 27688.28 5. Total Construction area (FSI + Non FSI) 80750.60

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 1 D. Parking Statement: Table 3:Parking Statement

Parking Required (4W) Parking Provision (4W) 388 423

E. Occupancy load: Table 4: Occupancy Load Component No. of Flats Criteria for Occupancy Occupancy(Nos.) Flats 241 5 persons/flat 1205 Reference: National Building Code (NBC) -2005 – Part 4, Page 27, Occupant Load

F. Water requirement for the project: 1. During Construction Phase: • From M.C.G.M.: 12 KLD.( For workers) • From Water tankers:15-20 KLD (Depending on construction activity)

2. During Operational Phase: Table 5: Water requirement(Domestic and flushing requirement) Water Requirement (KLD) Component Occupancy Domestic Flushing Flats 1205 108 54 Reference: National Building Code (NBC) -2005 – Part 9, Page 19, Water Requirement

The amount of water demand is calculated based on the occupancy of the building and the per capita consumption as given in MOEF Manual on norms and standards for EC of large construction projects i.e. Total quantity of water used (LPCD) = Occupancy x Quantity (LPCD) Then Total quantity of water used for Domestic and Flushing in KLD is calculated.

Total water requirement for the project and source: Table 6: Total water requirement Sr. No. Description Quantity of water required in KLD Source of water supply 1. Construction phase a. For Workers 12 M.C.G.M. b. For 15 - 20 Water tankers Construction (Depending upon the construction activity) 2. Operation phase a. Domestic 108 M.C.G.M. b. Flushing 54 Treated sewage from STP c. Gardening 21 Treated sewage from STP d. Swimming Pool 2 Water tankers *Water requirement for gardening purpose is considered as 7 liters per square meter of gardening area on ground i.e. Total quantity of water used (LPCD) = Gardening Area (Sq. Mt.) x Quantity (Lit /Sq. Mt.), Then Total quantity of water for gardening in KLD is calculated.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 2 G. Sewage Generation Table 7: Sewage Generation Sr. Quantity of Description Treatment/ Disposal No Sewage generated The sewage generated will be disposed to municipal 1. Construction Phase 11 sewer line. Treatment in STP and reuse of treated sewage for building (available for recycling – 126 KLD) for flushing –54 KLD and gardening – 21 KLD. Excess 2. Operation Phase 155 treated sewage during non monsoon season (51) and monsoon season (72) shall be disposed to the sewer line. The dried sludge shall be used as manure for plants within the premises. Reference: Manual on norms and standards for EC of large construction projects MoEF

H. Solid Wastes: 1) During Construction Phase: Table 8: Solid Wastes During Construction Phase Criteria for Solid Waste Generation Solid Waste Generation (Kg/day) No. of Total Non- Biodegrada Non- Biodegrada workers (Kg/Person/day) Biodegradable ble Biodegradable ble Total 150 0.10 80% 20% 12 3 15 The solid waste generation due to workers dwelling on the site will be segregated and will be disposed suitably.

2) During Operation Phase: Table 9: Solid Wastes During Operation Phase Criteria for Solid waste generation (kg/day) Occupancy Solid waste generation Load Total Non- Biodegr Non- Biodegrad Total Kg/person/day biodegradable adable biodegradable able 1205 0.45 30% 70% 163 380 543

The total quantities of solid waste that will be generated in the project will be 543 kg/day out of which 163 kg/day will be non-biodegradable and 380 kg/day will be biodegradable.

••• Segregation of non biodegradable and biodegradable garbage on site ••• Bio degradable garbage: Treatment in OWC (Organic Waste Convertor) ••• Non- biodegradable garbage: Segregated into recyclable and non-recyclable waste o Recyclable waste: Shall be handed over to recyclers o Non-recyclable waste: Shall be handed over to M.C.G.M. ••• STP Sludge (Dry sludge): Used as manure within the premises for plants

I. Power requirement: During Construction Phase - Local Authority: 100 KW D.G. Sets: as per requirement

During Operational Phase - Source: Local Authority

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 3 Table 10: Power Requirement Details Power Requirement Connected load (KW) 4742 Maximum demand (KW) 3082 D.G sets (In case of power failure) 1DG set of capacity 1250 kVA each

1.3 What are the likely impacts of the proposed activity on the existing facilities adjacent to the proposed site? (Such as open spaces, community facilities, details of the existing land use, disturbance to the local ecology). Project site will be developed into a residential development. Hence, there shall have some impacts on water, air environment, power requirement but it shall be mitigated by providing proper pollution control facilities. STP shall be provided for treatment of recycling of sewage there by reducing fresh water demand. Also for water conservation, rain water harvesting shall be done. Power consumption shall be reduced by using energy saving practices. Impact on air quality shall be reduced by plantation of trees on green cover area. This project will generate employment during construction phase & operation phase and there by shall have positive impact on socio economy. 1.4 Will there be any significant land disturbance resulting in erosion, subsidence & instability? (Details of soil type, slope analysis, vulnerability to subsidence, seismicity etc. may be given). As per the Seismic Zoning Map of India, region falls under Zone- III. Stability Certificate, as per prevalent IS Code will be obtained for these buildings from registered Consulting Structural Engineer. 1.5 Will the proposal involve alteration of natural drainage systems? (Give details on a contour map showing the natural drainage near the proposed project site) No 1.6 What are the quantities of earthwork involved in the construction activity-cutting, filling, reclamation etc. (Give details of the quantities of earthwork involved, transport of fill materials from outside the site etc) Excavated material partly shall be reused for backfilling if possible and partly shall be disposed to authorized landfill site with prior permission of M.C.G.M.

Construction waste generated during construction activity shall be partly reused on site and partly disposed to authorized landfill site with permission of M.C.G.M. 1.7 Give details regarding water supply, waste handling etc during the construction period. Water Requirement during Construction Phase: From Water tankers (For Construction):15 –20 KLD (Depending upon the construction activity). From M.C.G.M. (For Workers): 12 KLD The sewage generated approximately 11 KLD will be disposed to sewer line. 1.8 Will the low lying areas & wetlands get altered? (Provide details of how low lying and wetlands are getting modified from the proposed activity) No. 1.9 Whether construction debris & waste during construction cause health hazard? (Give quantities of various types of wastes generated during construction including the construction labour and the means of disposal) Solid Waste Generation during Construction Phase: Excavated material partly shall be reused for backfilling if possible and partly shall be disposed to authorized landfill site with prior permission of M.C.G.M.

Construction waste generated during construction activity shall be partly reused on site and partly disposed to authorized landfill site with permission of M.C.G.M.

From Construction labour : Biodegradable garbage = 3 kg/day

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 4 Non-biodegradable garbage = 12 kg/day Total = 15 kg/day Proper segregation of the wastes shall be done and disposal to the authorized recyclers shall be ensured. 2 WATER ENVIRONMENT 2.1 Give the total quantity of water requirement for the proposed project with the breakup of requirements for various uses. How will the water requirement be met? State the sources & quantities and furnish a water balance statement.

Water Requirement & Source: During Construction Phase – For Workers : M.C.G.M: 12 KLD For Construction : From Water tankers : 15 – 20 KLD

During Operational Phase Table 11: Total Water Requirement & Source Use Quantity KLD Source Domestic 108 M.C.G.M. Flushing 54 STP treated sewage Gardening 21 STP treated sewage Swimming Pool 2 Water tanker

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 5

WATER BALANCE PER DAY BASIS DURING NON MONSOON All quantities are in KLD Tanker Water of

From M.C.G.M = 108 Potable quality

Domestic = 108 Flushing = 54 Gardening = 21 Swimming Pool = 2 Recycle:54 Recycle:21

*Total sewage generated: 140 Treatment in STP (**Available for recycling: 126)

51 51

Please Note *We have considered 80 % sewage of total of domestic and 100 % of flushing requirement hence total sewage generation is 140 KLD **We have considered 10 % less availability of sewage for recycling considering losses of sewage in evaporation and sludge formation hence sewage available for recycling is 126 KLD

Total excess treated sewage (51 KLD): Shall be disposed to existing sewer line

Total water requirement = 185KLD Recycling of treated Sewage (75 KLD) shall be done for gardening (21 KLD) and flushing (60KLD) Hence Net water requirement: 185 – 75 = 110 KLD [i.e. for Domestic purpose = 108 KLD (Source: M.C.G.M.) for Swimming Pool make up: 2 KLD (Source: Tanker water of potable quality)] Reduction in Net water demand = 41 %

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 6 WATER BALANCE PER DAY BASIS DURING MONSOON All quantities are in KLD

Tanker Water of From M.C.G.M Potable quality /RWH = 108

Domestic = 108 Flushing = 54 Swimming Pool = 2

Recycle:54

*Total sewage generated: 140 Treatment in STP (**Available for recycling: 126)

Please Note: *We have considered 80 % sewage of total of domestic and 100 % of flushing requirement hence total sewage generation is 140 KLD **We have considered 10 % less availability of sewage for recycling considering losses of sewage in evaporation and sludge formation hence sewage available for recycling is 126 KLD

Total excess treated sewage 72 KLD: Shall be disposed to existing sewer line Total water requirement = 164 KLD Recycling of treated Sewage (54 KLD) shall be done for flushing Hence Net water requirement: 164 – 54 = 110 KLD [i.e. for Domestic purpose = 108 KLD (Source: M.C.G.M.) for Swimming Pool make up: 2 KLD (Source: Tanker water of potable quality)] Reduction in Net water demand = 33%

2.2 What is the capacity (dependable flow or yield) of the proposed source of Water? Domestic Water Supply from Municipal Corporation of Greater Mumbai (M.C.G.M.) 2.3 What is the quality of water required, in case, the supply is not from a municipal source? (Provide physical, chemical, biological characteristics with class of water quality) Drinking water shall be supplied by M.C.G.M. 2.4 How much of the water requirement can be met from the recycling of treated wastewater? (Give the details of quantities, sources and usage) All secondary requirements like flushing (54 KLD) and gardening (21 KLD) shall be fulfilled by treated sewage from STP. Excess treated sewage will be disposed to the municipal sewer line. 2.5 Will there be diversion of water from other users? (Please assess the impacts of the project on other existing uses and quantities of consumption) M.C.G.M. has common water supply. 2.6 What is the incremental pollution load from wastewater generated from the proposed activity? (Give details of the quantities and composition of wastewater generated from the proposed activity) Sewage generation from building will be 140 KLD and will be treated in full fledged Sewage Treatment Plant (STP) of capacity 145 KL. Treated sewage will be reused for flushing (54 KLD) and gardening (21 KLD). Excess treated sewage 51 KLD during non- monsoon season & 72 KLD during monsoon season shall be disposed to the municipal sewer line.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 7 UNTREATED AND TREATED SEWAGE QUALITY: Table 12: Untreated& Treated Sewage Quality SR. DETAILS VALUES UNITS NO. UNTREATED TREATED 1. pH 7.0 – 8.0 6.5 – 7.5 2. Total Suspended solids 200-450 ≤ 10 mg/lit 3. Chemical Oxygen Demand 600-800 ≤ 30 mg/lit 4. BOD, 3 day, 27 °C 250-400 <5 mg/lit 5. Oil & Grease 50 <5 mg/lit

2.7 Give details of the water requirements met from water harvesting? Furnish details of the facilities created. Provision of RWH tanks of total capacity 165 KL. 2.8 What would be the impact of the land use changes occurring due to the proposed project on the runoff characteristics (quantitative as well as qualitative) of the area in the post construction phase on a long term basis? Would it aggravate the problems of flooding or water logging in any way? Total Runoff from the project site: Prior to development = 0.12 m3/sec Total Runoff from the project site: After development = 0.23 m3/sec (Considering different coefficients for paved area, unpaved area and terrace)

Hence Incremental Run off = 0.23 – 0.12 = 0.11 m3/sec Capacity of storm water drains is sufficient to take the runoff from the site.

Precaution to avoid water logging on site: • Storm water drain shall be cleaned at regular interval. • Increase in the Finished Ground Level as part of construction stage to prevent rain water accumulated on surrounding areas to enter into the project area 2.9 What are the impacts of the proposal on the ground water? (Will there be tapping of ground water; give the details of ground water table, recharging capacity, and approvals obtained from competent authority, if any) The ground water table at the project site is at a depth of 1.5 m. Hence no recharge pits shall be provided. 2.10 What precautions/measures are taken to prevent the run-off from construction activities polluting land & aquifers? (Give details of quantities and the measures taken to avoid the adverse impacts). The runoff from the site during construction phase would be very negligible. i. Use of polymeric dust suppression spray for dust suppression instead of use of water ii. Curing water should be sprayed on concrete structures, free flow of water should not be allowed for curing iii. Use of curing chemical to save water after liberal curing on first day iv. Use of wet jute cloth/gunny bags instead of water spray for curing activity v. Minimize wastage of water during curing and other activity 2.11 How is the storm water from within the site managed?(State the provisions made to avoid flooding of the area, details of the drainage facilities provided along with a site layout indication contour levels). Internal storm water drains will be constructed strictly in accordance to the governing authority regulations. Peak runoff after development = 0.23 m3/sec Internal storm water drainage shall be designed considering peak runoff after development. 2.12 Will the deployment of construction labourers particularly in the peak period lead to unsanitary conditions around the project site (Justify with proper explanation) • Disposal of sewage to sewer line • Disposal of segregated waste to M.C.G.M. • First aid and medical facilities

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 8 • Proper housekeeping • Regular pest control • Site sanitation 2.13 What on-site facilities are provided for the collection, treatment & safe disposal of sewage? (Give details of the quantities of wastewater generation, treatment capacities with technology & facilities for recycling and disposal). Design Basis of Treatment plant – RMBR (ROTATING MEDIA BIO REACTOR)

Table 13: Untreated& Treated Sewage Quality SR. DETAILS VALUES UNITS NO. UNTREATED TREATED 1. pH 7.0 – 8.0 6.5 – 7.5 -- 2. Total Suspended solids 200-450 ≤ 10 mg/lit 3. Chemical Oxygen Demand 600-800 ≤ 30 mg/lit 4. BOD,3days,270C 250-400 <5 mg/lit 5. Oil & Grease 50 <5 mg/lit

Technical Description of RMBR: (Rotating Media Bio Reactor)

PROCESS SCHEME OF RMBR (ROTATING MEDIA BIO REACTOR):

The treatment plant is based on the rotating media aerobic attached growth process, i.e. The Rotating Media Bio Reactor, which is the heart of the system. Raw Wastewater passes through a rotating disk screen of opening size 10 mm. A cutting edge scrapes away screenings into a trolley through a chute. The trolley has a screenings washing facility in the form of spray nozzles fed by the treated wastewater line. The system is automatically controlled and wash-water flows back into the raw wastewater sump.

Screened wastewater is pumped to the Rotating Media Bio Reactor (RMBR). The RMBR brings about an intimate contact between the substrate in the wastewater and the active biomass in the presence of air. Here, organic matter in the wastewater comes into intimate contact with a very large area of Bio-film residing on polyethylene disks. The disks have a very high specific surface, typically 125 sq. meters per cubic meter of disk module volume.

The pack of disks is gently rotated in a tank up to 40% submergence and at a very low speed, typically 2-3 rpm. Thus the Bio-film comes into contact with the wastewater and the atmospheric oxygen alternately thus ensuring a rich aerobic environment. As the film grows in thickness it sloughs off and a new film takes its place. Substrate is bio-chemically oxidized to simple inorganic products like carbon dioxide and water. It may be stated here that the RMBR is based on identical biochemistry as the activated sludge process and the only differences being the method of supporting the microbes and the oxygen supply mechanism.

In case of the RMBR, the microbial mass adheres as a film (similar to the trickling filter process) to the support media. As the area of the media is very large, a huge mass of microbial film can be supported on the media. Thus, a significantly larger (5-10 times) of biomass can be supported per unit volume of reactor compared to the activated sludge process.

Further, in order to aerate the microbial film, all that is needed is a gentle rotation of the media at 40% submergence so that 40% of the time of a single rotation provides a pick up of the effluent and 60% of the time in a rotation is for diffusion of atmospheric oxygen through the thin film of effluent into the Bio-film. This requires far less energy in comparison with the conventional aeration system.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 9

The RMBC is thus an eco friendly process due to its lower energy consumption and complete absence of contaminated aerosol generation. Wastewater then flows into a secondary lamella settler in which the insoluble are separated from the liquid. The lamella settler is based on the widely used principle of shallow depth sedimentation using lamella modules inclined at 60 degrees with the horizontal. Extremely efficient sedimentation takes place due to a shallow settling depth of the order of 60 mm. Sludge settles on the corrugated lamella plates and slides down into the hopper below while the clarified liquid flows upwards. Sludge formed in the lamella settler has a better solids consistency than that obtained in conventional sedimentation tanks.

Clear effluent flows into a U.V. Dosing where U.V. is dosed for the disinfection and trace organic destruction. Disinfected wastewater is pumped through the tertiary treatment columns. The pressure sand filter which contains a specially designed bed of graded quartz sand removes residual colloids while the activated carbon column removes the residual dissolved trace organic compounds thereby rendering the water almost free of organic contamination. The activated carbon also removes excess chlorine residuals resulting from hypochlorite dosing. Sludge from the lamella settler is dewatered in a filter press. Flow measurement is done at the tail end of the system.

Treated Sewage quality: Treated effluent meets the most stringent of standards Compact and Elegant: The system is elegantly designed with particular emphasis on compactness, aesthetics and ergonomics.

Odour-free environment: The system design ensures an odour-free environment unlike competing systems. A powerful and eco friendly Deodorization system eliminates all chances of odour. Low process power input: less than 30% of that for a conventional activated sludge system. Corrosion free materials: The plant is manufactured from Mild steel plates and structural’s with chlorinated rubber coating on all surfaces for superior protection against corrosion

Figure: STP PROCESS DIAGRAM 2.14 Give details of dual plumbing system if treated waste used is used for flushing of toilets or any other use. Recycling of treated sewage for flushing and gardening. Color coding for dual plumbing system shall be done as per standard practices.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 10 3 VEGETATION 3.1 Is there any threat of the project to the biodiversity? (Give a description of the local ecosystem with its unique features, if any) No. 3.2 Will the construction involve extensive clearing or modification of vegetation? (Provide a detailed account of the trees & vegetation affected by the project). New tree plantation shall be done as per norms 3.3 What are the measures proposed to be taken to minimize the likely impacts on important site features (Give details of proposal for tree plantation, landscaping, creation of water bodies etc along with a layout plan to an appropriate scale) New tree plantation shall be done as per norms 4 FAUNA 4.1 Is there likely to be any displacement of fauna- both terrestrial and aquatic or creation of barriers for their movement? Provide the details. No 4.2 Any direct or indirect impacts on the avifauna of the area? Provide details. No 4.3 Prescribe measures such as corridors, fish ladders etc to mitigate adverse impacts on fauna. Not applicable. 5 AIR ENVIRONMENT 5.11.1 Will the project increase atmospheric concentration of gases & result in heat islands? (Give details of background air quality levels with predicted values based on dispersion models taking into account the increased traffic generation as a result of the proposed constructions) AVERAGE AMBIENT AIR QUALITY AT THE PROJECT SITE Period: November 2015 Table No.14: Average Ambient Air Quality at the Project Site 3 3 3 Monitoring Station PM10 (µg/m ) SO2 (µg/m ) NOx (µg/m ) Base station: Project Site 45.00 24.00 32.00

5.2 What are the impacts on generation of dust, smoke, odorous fumes or other hazardous gases? Give details in relation to all the meteorological parameters. During construction phase, Dust, Particulate Matter is the main pollutant, which may be generated during construction activities. Other emission sources are intermittent and include emissions of SO2, NOx and CO from materials transport of heavy vehicles on site etc. Proper upkeep and maintenance of vehicles, sprinkling of water on roads and construction site are some of the measures that would reduce the impact during construction phase.

Sources of Air pollution During Operational phase : • The gaseous emissions from vehicles • Emissions from DG set while in operation only during power failure

Mitigation Measures: • The traffic congestion will be avoided by proper parking arrangement and maintaining smooth traffic flow • Regular PUC checkup for vehicles • CPCB approved DG sets only will be used • Proper maintenance of DG sets shall be done and Low sulphur fuel shall be used • Plantation of trees which will act as noise and dust buffers

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 11 AVERAGE/ MAXIMUM AND MINIMUM METEOROLOGICAL DATA Period: Year 2014 Table 15: Average/ Maximum and Minimum Meteorological Data Study Temp (0C) Predominant Wind speed (km/h) Relative Humidity (%) period Max. Min. Wind Max. Min. Max. Min. direction January 34.2 13.9 North 14 0 95 19 February 34.5 14.0 North 14 0 93 17 March 37.2 16.4 North 16 0 90 18 April 38.5 21.9 North West 16 0 91 27 May 35.4 26.2 North West 17 0 88 31 June 37.4 27.0 South West 27 0 93 44 July 33.0 24.0 West 28 0 97 64 August 31.4 23.9 West 24 0 96 69 September 36.5 23.5 North West 40 0 96 44 October 37.3 21.1 North 24 0 95 26 November 37.0 18.9 North 12 0 92 26 December 37.3 13.8 North 12 0 94 18 Source: Meteorological data for the year 2014 has been collected from Indian Meteorological Department (IMD), Santacruz, Mumbai.

The proposed project will not have any direct impact on air environment after completion. 5.3 Will the proposal create shortage of parking space for vehicles? Furnish details of the present level of transport infrastructure and measures proposed for improvement including the traffic management at the entry & exit to the project site. The project proponents have proposed to provide well organized parking arrangement.

Table 16: Parking Statement Parking Required as per DCR of MCGM Parking Provision (4W) (4W) 388 423

5.4 Provide details of the movement patterns with internal roads, bicycle tracks, pedestrian pathways, footpaths etc., with areas under each category. • The project proponents shall provide adequate well organized parking arrangement. • This project has one entry and exits point • Proper internal road designed for avoiding traffic 5.5 Will there be significant increase in traffic noise & vibrations? Give details of the sources and the measures proposed for mitigation of the above. The proposed project being residential development with shops, the source of noise is mainly vehicular noise. The project proponents have proposed to provide well organized parking arrangement and maintaining smooth traffic flow which would help in reducing traffic congestion and noise levels. Trees would act as noise barrier and will reduce the noise level. 5.6 What will be the impact of DG sets & other equipment on noise levels & vibration in & ambient air quality around the project site? Provide details. D.G. Sets will be operated only in case of power failures during operational phase. The Pollutants like SPM, SO2 emissions may arise from D.G. Set will be discharged through vent of proper height.

D.G. set is with inbuilt acoustic enclosures to reduce the noise of D.G. set while in operation. Plantation of trees would act as noise barrier and will reduce the noise level.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 12 6 AESTHETICS 6.1 Will the proposed constructions in any way result in the obstruction of a view, scenic amenity or landscapes? Are these considerations taken into account by the proponents? No 6.2 Will there be any adverse impacts from new constructions on the existing structures? What are the considerations taken into account? All precautions will be taken to mitigate the impact due to water, air and noise pollution during construction and operation phase. Environmental Management plan is prepared and shall be implemented along with Environmental Monitoring Programme. 6.3 Whether there are any local considerations of urban form & urban design influencing the design criteria? They may be explicitly spelt out. No. 6.4 Are there any anthropological or archaeological sites or artifacts nearby? State if any other significant features in the vicinity of the proposed site have been considered. No 7 SOCIO-ECONOMIC ASPECTS: 7.1 Will the proposal result in any changes to the demographic structure of local population? Provide the details. This is a Residential Development so there will be influx of ~1205 Persons. 7.2 Give details of the existing social infrastructure around the proposed project. It is a well developed town of India, having all modern amenities. Civil structures, School, Colleges, Hospitals, Recreation facilities, Markets, etc. are available in the area to a reasonable degree. 7.3 Will the project cause adverse effects on local communities, disturbance to sacred sites or other cultural values? What are the safeguards proposed? No. 8 BUILDING MATERIALS 8.1 May involve the use of building materials with high-embodied energy. Are the construction materials produced with energy efficient processes? (Give details of energy conservation measures in the selection of building materials and their energy efficiency) Cement containing fly ash shall be used. Construction materials from nearest source shall be chosed to minimize energy consumption for transportation 8.2 Transport and handling of materials during construction may result in pollution, noise & public nuisance. What measures are taken to minimize the impacts? The material required for construction activities shall be procured from company’s authorized / approved vendors only. The vendor’s performance is monitored periodically. In case of urgency or non-availability of materials from authorized/approved vendors, it will be procured from the open market to maintain the pace of the work. The mode of transport for above materials will be by trucks and / or by trailers. • The construction material will be carried in properly covered vehicles • All the contractors / Vendors will be instructed to use vehicles having PUC certificates • Security staff presents at site will supervise loading and unloading of material at site • Construction material will be stored at identified site/ temporary Godowns at site • Suitable construction platform for vertical expansion project provided at site. 8.3 Are recycled materials used in roads and structures? State the extent of savings achieved? Cement containing fly ash shall be used Construction materials from nearest source shall be chosed to minimize energy consumption for transportation 8.4 Give details of the methods of collection, segregation & disposal of the garbage generated during the operation phases of the project.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 13 • Segregation of non biodegradable and biodegradable garbage on site. • Biodegradable garbage: Treatment in Organic Waste Converter (OWC). • Non- biodegradable garbage: Segregation into recyclable and non-recyclable waste. Recyclable waste: Shall be handed over to Recyclers & Non - recyclable waste: Shall be handed over to M.C.G.M. • STP Sludge (Dry sludge): Used as manure within the premises for plants. 9 ENERGY CONSERVATION 9.1 Give details of the power requirements, source of supply, backup source etc. What is the energy consumption assumed per square foot of built-up area? How have you tried to minimize energy consumption? Power Requirement During Construction Phase – Local Authority : 100 KW D.G. Sets: as per requirement

During Operational Phase - Source: Local Authority Table 17: Power Requirement Details Power requirement Connected load (KW) 4742 Maximum demand (KW) 3082 D.G sets (In case of power failure) 1DG set of capacity 1250 kVA each

Following Energy conservation measures are proposed for Energy Saving: • Use of Solar PV panels for external lighting • Provision of solar water heating system • Use of VFD control motors for lift power load • Use of High Efficiency motors for water pumps with High low level sensors • Use of T5 and CFL lights operated with time control for common area lighting of parking and terraces also for internal lights • Use of LED lights operated with motion sensors for common area lighting of Staircase & Lift Lobby • Use of energy saving T5 and CFL lights for shops lighting • Use of Bureau of Energy Efficiency (BEE) for star rated appliances 9.2 What type of, and capacity of, power back-up to you plan to provide? 1DG set of capacity 1250 kVA for emergency backup during power failure 9.3 What are the characteristics of the glass you plan to use? Provide specifications of its characteristics related to both short wave and long wave radiation? Glass shall be used for windows 9.4 What passive solar architectural features are being used in the building? Illustrate the applications made in the proposed project. The roof shall be insulated so that there will not be direct heat gain due to sunlight 9.5 Does the layout of streets & buildings maximize the potential for solar energy devices? Have you considered the use of street lighting, emergency lighting and solar hot water systems for use in the building complex? Substantiate with details. • Provision of solar water heating system shall be done • Provision of solar PV panels for external lighting shall be done 9.6 Is shading effectively used to reduce cooling/heating loads? What principles have been used to maximize the shading of Walls on the East and the West and the Roof? How much energy saving has been effected?

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 14 It is proposed to insulate the roofs of these buildings to minimize the heat gain and intern saving the electricity 9.7 Do the structures use energy-efficient space conditioning, lighting and mechanical systems? Provide technical details. Provide details of the transformers and motor efficiencies, lighting intensity and air-conditioning load assumptions? Are you using CFC and HCFC free chillers? Provide specifications. Following Energy conservation measures are proposed: • Use of Solar PV panels for external lighting shall be done • Provision of solar water heating system shall be done • Use of VFD control motors for lift power load • Use of High Efficiency motors for water pumps with High low level sensors • Use of T5 and CFL lights operated with time control for common area lighting of parking and terraces also for internal lights • Use of LED lights operated with motion sensors for common area lighting of Staircase & Lift Lobby • Use of energy saving T5 and CFL lights for shops lighting • Use of Bureau of Energy Efficiency (BEE) for star rated appliances 9.8 What are the likely effects of the building activity in altering the micro-climates? Provide a self assessment on the likely impacts of the proposed construction on creation of heat island & inversion effects? It will not alter the microclimate. The construction will not cause inversion. 9.9 What are the thermal characteristics of the building envelope? (a) roof; (b) external walls; and (c) fenestration? Give details of the material used and the U-values or the R values of the individual components. It is proposed to insulate the roofs of these buildings to minimize the heat gain and intern save the electricity. 9.10 What precautions & safety measures are proposed against fire hazards? Furnish details of emergency plans. FIRE FIGHTING PROVISIONS: Underground fire water storage tank of adequate (400KL) capacity Automatic Fire Hydrant System Automatic Sprinkler System Portable Fire Extinguishers Analogue Addressable Fire Alarm System with Emergency Voice Evacuation System Manual Fire Alarm System Provision of fire check floor Emergency & escape lighting, emergency exit signage Refuge areas as per CFO Norms Disaster Management plan enclosed. 9.11 If you are using glass as wall material provides details and specifications including emissivity and thermal characteristics. Glass shall be used only for windows 9.12 What is the rate of air infiltration into the building? Provide details of how you are mitigating the effects of infiltration. It has not been studied. 9.13 To what extent the non-conventional energy technologies are utilized in the overall energy consumption? Provide details of the renewable energy technologies used. • Provision of solar water heating system shall be done • Provision of solar PV panels for external lighting 10 Environment Management Plan

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 15 The Environment Management Plan would consist of all mitigation measures for each activity to be undertaken during the construction, operation and the entire life cycle to minimize adverse environmental impacts as a result of the activities of the project. It would also delineate the environmental monitoring plan for compliance of various environmental regulations. It will state the steps to be taken in case of emergency such as accidents at the site including fire.

ENVIRONMENTAL IMPACT AND MANAGEMENT PLAN FOR THE PROJECT

EMP for Construction Phase Sr. Environmental Activity Impacts Precautionary measures no. Component 1 Ambient Air • Construction of • Increased For controlling air Quality & Noise Structures • level of dust & pollution : level • Heavy vehicle traffic other air • Polymeric dust • Use of DG Set pollutants suppression • Open burning of waste • Increased • Cover on trucks • Noise level. • Use of RMC instead of preparing concrete at site • Vehicles with valid PUC • DG sets: CPCB approved For controlling noise pollution : • Barricades along the periphery of the site • Ear Plugs for Labourers • D.G. sets CPCB approved • No noisy work in night shifts • Using electrically operated construction equipment 2 Water • Use of fresh • Stress on the water • Use of tanker water for • water for Construction supply in the construction. No burden on activity / labours vicinity municipal supply • Wastewater • Sedimentation, • Provision of temporary • generation • Pollution of nearby toilets for labour. • Disposal of site water courses. • Precaution to avoid water • Run off into SWD • Unhygienic logging during construction • Water logging condition for surrounding residents. 3 Soil • Preconstruction and • Loss of good • Recycle of Debris as far excavation debris fertile soil as possible in construction • Storage of construction • Soil erosion, Soil area. material / chemicals contamination • Disposal of debris to • Transportation of due to mixing of authorized sites/ recognized hazardous material construction landfill sites • Residual paints material/ • Proper and Separate Solvents/bituminous accidental storage of construction material etc. operation spillage of material

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 16 / maintenance chemicals /oils • Storage of all petroleum Generation of garbage products on impervious by labour layers viz. concrete. • Transportation, storage and handling, disposal of HW as per their guidelines and handing it over to authorized agencies. • Use of electrically operated machinery. • Segregation of waste at Source Even after taking precautions if soil is found to be contaminated, it shall be removed and disposed off to authorized site. 4 Ecology • Construction of • Disturbing natural • Plantation of local tree structures flora and fauna species on the Periphery of • Loss of vegetation site from chemical • Plantation of trees spills from • Regulation of vehicular vehicles trips and speed and proper maintenance of machinery. 5 Safety & Construction work • Positive impact : • Adequate drinking water, Hygienic Labor Employment toilet and bathing facilities. Measures generation • Regular analysis of • Safety and drinking water. hygiene at site • Personal protective and may be affected safety equipment will be during provided. construction • First aid facility. • Regular health check up • Regular pest control at site. • Educational and awareness programme for safety measures

EMP for Operation Phase Sr. Environmental Precautionary Activity Impacts no. Component measures 1 Ambient Air Increased vehicular • Traffic • Adequate Parking Quality & Noise trips, congestion provision; well organized traffic level Use of DG sets • Air pollution management plan for Smooth • Increase in flow of vehicles noise level • Regular PUC check-up for vehicles • DG sets: As per CPCB norms, Proper Maintenance, Use of Low sulphur fuel • Acoustic Enclosures for DG sets

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 17 • Plantation of tress will reduce air pollution and also act as noise buffer 2 Water • Increased • Stress on • Use of water saving practices Demand of natural existing water • Adoption of dual flush system water, supply, • Rain water harvesting • Generation of • Pollution of • Plantation of less water waste water water bodies consuming trees • Increased paved • Increased run off • STP is planned and treated structure from site sewage will be used for secondary requirements like flushing and gardening 3 Land • Solid waste • Improper • Waste minimization recovery generation, disposal of waste, and reuse • Transportation of • accidental • Segregation at source for all hazardous material spillage of solid waste streams • Increased paved hazardous • Recycling of non- structure chemicals leads to biodegradable garbage soil contamination • Treatment of biodegradable • Increased run off garbage by Organic waste from site converter and its use as manure • Use of dried STP sludge as manure • Transportation, storage and handling, disposal of HW as per their guidelines and handling it over to authorized agencies. • Strom water drainage of adequate capacity. Even after taking precautions if soil is found to be contaminated, it shall be removed and disposed off to authorized site 4 Ecology Introduction of new • Disturbing • Plantation of local tree species tree species natural flora and fauna • Increased exposure to anthropogenic activities. 5 Safety & Influx of people • Stress on all • Emergency preparedness plan Hygienic utilities, risk and and Disaster management plan Measures danger due to will be Prepared and explained natural and with the help of local NGO’s manmade disaster and surrounding people and • Positive impact: authority Employment generation Note: Environmental monitoring plan will be prepared based on Environmental management Plan. All environmental parameters will be studied as and when required and based on analysis result mitigation measures will be implemented.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 18

Hazardous Waste Management Plan: Construction Phase: Environmental Management Plan for Hazardous Waste Generation Sr. Source of Hazardous Waste Mitigation Measures No. Generation 1 Leakages and spillage oil or fuel * Contaminated soil if any shall be disposed off to Authorized Disposal Site. * Bituminous materials /any other chemicals shall not be allowed to leach into the soil. 2 Residual Paints / Solvents --do--

Other hazardous wastes, if any, shall also be handled in the similar way through authorized dealers only. Operational Phase:

Sr. Mitigation Source of Hazardous Waste Generation Disposal No. Measures 1. Waste Oil from D.G Sets - Waste oil will be handed over to authorized recyclers.

Form 1A- Amendment in Environmental Clearance for “PERMANENT MAGNET”, Borivali 19 List of Enclosure

Sr. No. Enclosures 1. Environmental Clearance 2. Industrial to Residential (I to R) 3. Geotechnical Investigation report 4. Disaster Management Plan 5. Site Location Plan 6. Layout Plan 7. Google Image

D.V Karandikar & Assocaites Continuation Sheet No…………

RETYPED 13.07.2015

SAMIR BHOJWANI PVT. LTD.

GEOTECHNICAL APPRAISAL REPORT

THE PROPOSED TOWER AT ‘ PERMANENT MAGNET’ SITE

AT CTS NO. 162/A, BORIVALI (EAST)

D.V. KARANDIKAR & ASSOCIATES

GEOTECHNICAL CONSULTING ENGINEERS

VILE PARLE (EAST), MUMBAI 400 057

DECEMBER -2010

D.V Karandikar & Assocaites Continuation Sheet No…………

D.V. KARANDIKAR D.V KARANDIKAR & B.Tech. (Civil). M.Tech.(Geo.Tech.), FIE ASSOCIATES CONSULTING FIGS FIBE ENGINEERS GEOTECHNICAL CONSULTANT 7/89, Shivanand Co-op. Housing Society, CHitrakar Ketkar Marg, Vile Parle (East), Mumbai – 400 057. Tel : 2614 2350 Telefax: 2610 5607 Email : [email protected]

SAMIR BHOJWANI PVT. LTD.

GEOTECHNICAL APPRAISAL REPORT OF

THE PROPOSED TOWER AT ‘ PERMANENT MAGNET’ SITE

AT CTS NO> 162/A, BORIVALI (EAST)

CONTENTS

1.0 INTRODUCTION 2.0 SCOPE OF WORK 3.0 METHODOLOGY OF INVESTIGATION 4.0 REGIONAL GEOLOGY 5.0 GEOTECHNICAL APPRAISAL 6.0 RECOMMENDATION

TABLES

1) WEATHERING GRADES & STRENGTH CLASSIFICATION OF ROCKS 2) ROCK MASS RATING AND SBC CALCULATIONS 3) PILE CAPACITY CALCULATION D.V Karandikar & Assocaites Continuation Sheet No…………

ANNEXURES

A) LOCATION PLAN B) BORELOGS ----- See separate data volume from Jai Geotechnics. C) LABORATORY TESTING DATA --- See separate data volume. D) SUB SURFACE PROFILE

SAMIR BHOJWANI PVT. LTD.

GEOTECHNICAL APPRAISAL REPORT

THE PROPOSED TOWER AT ‘PERMANENT MAGNET’ SITE

AT CTS NO.162/A, BORIVALI (EAST)

1.0 INTRODUCTION

1.1 Mr. Samir Bhojwani proposes to develop ‘Permanent Magnet’ site bearing CTS No. 162/A of Village Magathane on Datta Pada Road in Borivali (East) . The plot admeasures some 200 m * 55m (average), and an imposing tower of about 180m height having 2 basements, a stilt, 6 parking floors and 45 upper floors (including4 refuge floors and a terrace) is proposed to be constructed. Foundation loads would be quite high. 8m deep excavation will be required for the basements and the excavation stability will have to be ensured with either benched excavation or by installing a suitable retaining scheme. Shirish Patel & Associates Consultants Pvt. Ltd. (SPA) are the structural consultants of this project.\ D.V Karandikar & Assocaites Continuation Sheet No…………

1.2 To decide the foundation system and the foundation design parameters, geotechnical investigation was carried out initially in May 2007 and later in July 2010. The field work and laboratory testing were carried out by Jai Geotechnics & Foundation Engineering. 1.3 The author, who has professional experience of more than 40 years, was appointed by Mr. Samir Bhojwani for preparing the geotechnical appraisal report and giving recommendations for the foundation safe bearing capacity and excavation stability scheme. 1.4 The author visited the site in October 2010 to appraise himself of the site conditions, inspected the soil and rock samples and furnished a laboratory testing schedule to Jai Geotechnics. The lab, test results were received in November 2010. 1.5 This report is based on analysis of field borelogs and lab, testing data and author’s experience.

2.0 SCOPE OF WORK 2.1 To investigate the subsurface conditions of the project site, 16 boreholes as listed in the Table 1 below were executed with depths going from 18 m to 35 m below G.L. The locations of these bore holes are shown on survey drawing No. 2005/01/BYC/SK/3 dated 6-1-2005. 2.2 The maximum depths to which these boreholes were taken and the depths of the bed rock as well as ground water table are given in Table below. Nearby road level is considered as 0.0m.

D.V Karandikar & Assocaites Continuation Sheet No…………

TABLE 1

SUMMARY OF BOREHOLE DATA

AS PER JAI GEOTECHNICS REPORT (May 2007 and July 2010)

R.L.s of All boreholes are assumed as 0.0m, asame as the Road level

BH No. Location Rock Start BH GWT m Remarks Depth , m Termination Depth,m

1 South end 12.50 19.00 3.00 May 2007 of Proposed Building

2 -do- 7.50 20.50 3.50 June 2007

9 -do- 6.50 35.00 2.50 Aug.2007

15 Central 9.80 30.00 1.40 July 2010 Part

10 Central Part 4.50 32.50 2.50 Aug. 2007

16 Central part 11.00 30.00 1.40 July 2010

3 West side 8.20 20.20 3.00 June 2007

11 West side 6.0 25.00 9.00 Aug.2007

4 East Side 1.5 20.50 3.00 June 2007

12 East side 4.00 25.00 2.50 Aug. 2007

5 North End 4.00 22.00 0.90 July 2007

13 -do- 2.50 19.00 1.50 July 2010

6 -do- 2.50 26.00 0.55 July 2007 D.V Karandikar & Assocaites Continuation Sheet No…………

7 Garden 2.50 25.00 0.50 Aug.2007

14 Garden 1.30 18.00 1.30 July 2010

8 Admin. 2.50 26.10 0.80 Aug. 2007 Bldg.

D.V Karandikar & Assocaites Continuation Sheet No…………

3.0 METHODOLOGY OF INVESTIGATION 3.1 The investigation was planned to obtain the subsurface stratification in the proposed project area and collect soil, rock and ground water samples for laboratory testing to arrive at the foundation design parameters. 3.2 Boreholes were planned to penetrate through the overburden soils and rock from 18 to 35 m below ground level ensuring penetration of atleast 15m in rock. 3.3 Certain field tests such as Standard Penetration Tests(SPT) were conducted in boreholes to obtain the ‘N’ values i.e. no. of blows of 63.5 kg hammer falling through 75 cm, required to penetrate 30 cm of SPT split spoon. The ‘N’ values are indicative of the relative density of cohesionless soils and consistency of cohesive soils. The test also collects soil sample in the split spoon assembly, which is treated as a disturbed sample. 1st SPT was done at 1.5 m depth and further SPTs ere planned at 1.5 m depth intervals. Collection of undisturbed samples (UDS) was planned alternatively with SPT at 1.5 m intervals. However due to fill and hard strata UDS was not possible. 3.4 After start of weathered rock and observing SPT refusal, method of drilling was changed to purely rotary. ‘Nx’ size (76 mm) core barrel fitted with diamond bits were used to drill through the bed rock. The core runs adopted were 1 to 1.5m. Rock core samples recovered in the drilling were arranged sequentially and numbered. All samples were stored in a sturdy good quality wooden boxes. Core recovery and RQD were computed and noted on the bore logs. Rate of drilling was also noted. 3.5 Soil and ground water samples were collected for chemical analysis to determine their pH and contents of sulphates and chlorides in them. Any precautions for protecting concrete and reinforcement could be decided based on this data. 3.6 The field work was executed generally in accordance with the I.S. specification listed below: a) IS-1892: Code of Practice for Subsurface Investigation for Foundations. b) IS-1498: Classification and Identification of Soils for General Engineering Purposes. c) IS-2131: Method for Standard Penetration Test for Soils. D.V Karandikar & Assocaites Continuation Sheet No…………

d) IS-6926: Code of Practice for Diamond Core Drilling for Site Investigations. e) IS-5313: Guide for Core Drilling Observations. 3.7 The laboratory testing was aimed at obtaining the properties of soil and rock at different depths. 3.8 The laboratory testing was done following the testing procedures given in IS- 2720, relevant parts. 3.9 All the field and laboratory testing data is given in separate data volume. Relevant details are enclosed for redy reference.

D.V Karandikar & Assocaites Continuation Sheet No…………

4.0 REGIONAL GEOLOGY 4.1 Mumbai and Konkan area of Maharashtra state is undertaken by Deccan Trap Basalts. These rocks are believed to be formed by a series of vast lava flows following volcanic eruptions towards the close of the Cretaceous period or early Tertiary era (130 to 65 million years ago). Over the Deccan Plateau the flow strata have remained nearly horizontal, but in the Mumbai area they are inclined at 5 to 10 degrees westwards towards the sea. (Ref. Text Book of geology by Dr. R.B. Gupte). 4.2 Lithologically the normal plagioclase- augite basalts, essentially basic, are the commonest rock types, with acid variety rocks, such as the rhyolites, trachytes, andesites, syenites, diorites also found at some places, including Mumbai and Salsette islands and adjoining Vasai and Jawhar areas of Thane District. A very wide variety of basalts and associated rocks such as volcanic breccias, black tachylytic basalts, red tachylytic basalts (‘Red Bole’) also occur in the area covered by Deccan Trap basalts. 4.3 Most basalts are either compact i.e. with no gas cavities or amygdaloidal, i.e with gas cavities filled with secondary minerals. Further variety is produced by different degrees of hydro-thermal alteration in the basalts by hot magmatic gases and water. Fresh unaltered basalts have a dark blue or black colour. The colour is changed by hydro- thermal alteration to shades of brown, pink, red, purple or green. Complete weathering gives residual soil commonly known as ‘Murrum’. 4.4 Breccias are made up of explosion fragments of earlier rocks embedded in a basaltic lava matrix or held together by the deposition of zeolites around the fragments, which are of common occurrence in Deccan Trap Basalts. Tuffs and ash beds also get embedded in basalts. 4.5 Compact Basalts are the strongest but are more often fractured while Amygdaloidal Basalts have less fractures but have somewhat lower strength. Strengths of Breccia widely vary depending on their composition. Tuffs are the weakest due to presence of ash and clay. 4.6 At the project site residual ‘ Murrum’ soil overlying weathered basalt and breccias rock is observed. D.V Karandikar & Assocaites Continuation Sheet No…………

5.0 GEOTECHNICAL APPRAISAL 5.1 Review of borelogs and analysis of laboratory tests conducted in this geotechnical investigation show the following subsurface profile at this site. 5.2 Layer 1: Backfill Layer 2: Yellowish Brown Residual Silty Clay, Layer 3 : Grey Highly Fractured Weathered Weak Breccia/ Basalt 5.3 Ground water was met with in boreholes between 0.5 and 3.5m below existing ground level. 5.4 Layer 1: Backfill This layer of subsurface profile comprises of reclamation fill of about 1.5 thickness and will get removed during excavation. 5.5 Layer 2: Yellowish Brown Residual Silty Clay Second layer of subsurface profile is yellowish brown silty clay (Residual Soil obtained by complete weathering of rock). Thickness of this layer varies from 1m to 9m. Laboratory tests gave following values. Sand 20 to 30% Silt 30 to 40% Clay 35 to 45% Liquid Limit 45 to 48% Plastic Limit 20 to 21 % Plasticity Index 25 to 27% Specific gravity 2.61 to 2.63 Classification CI 5.6 Layer 3: Grey Highly Fractured Weathered Weak Breccia/ Basalt Fourth layer of subsurface profile is grey weathered highly fractured weak basalt. This layer is the last layer up to the depth of termination of all bore holes, Rock core recoveries in this layer are recorded from 22 percent to 86 percent. Rock Quality Designations (RQD) vary from Nil percent to 46 percent. Eight rock cores from NBH 13, 14, 15 and 16 were tested from this layer. Modulus of elasticity was observed to 24000 to 32000 kg/cm2. The UCS and other values are as follows: D.V Karandikar & Assocaites Continuation Sheet No…………

Depth Range UCS, kg/cm2 Porosity, % Water Dry Density, , m Absorption, % g/cc 27 to 31 11 to 12 5 to 6 2.10 1.5 to 5.0 37 11 5 2.12 5 to 10 29 to 36 10 to 12 5 2.12 10 to 20 24 11 5 2.11 20 to 30

5.7 CHEMICAL ANALYSIS OF WATER Of ground water from BH 13, 14, 15 and 16 indicated that it is not aggressive to concrete or reinforcement. The range of values are as under. pH Chlorides, CI, ppm Sulphates, SO3, ppm 92 to 175 21 to 38 7.46 to 7.56

6.0 DISCUSSION AND RECOMMENDATIONS 6.1 Mr. Samir Bhojwani is proposing to construct an imposing tower of about 180 m height having 2 basements, a stilt, 6 parking floors and 45 upper floors (including 4 refuge floors and a terrace). Foundation loads would be quite high. 8m deep excavation will be required for the basements and the excavation stability will have to be ensured with either benched excavation or by installing a suitable retaining scheme. Safe bearing capacity or founding strata is required for design of column footings. 6.2 Subsurface investigation has been carried out with boreholes, field and laboratory tests to decide the type of foundation and their design parameters. The site has a very peculiar stratification. The weathered rock strata is met with within 4 m towards north end of the plot but goes deeper up to 12.5 m at southern end. 6.3 Investigation reveals that below the surface fill there is a layer of silty clay. This is a residual soil derived from weathering of parent rocks which happen to be breccias and basalt. The SPT N values are only 6 to 10 up to 6 m depth D.V Karandikar & Assocaites Continuation Sheet No…………

and increase to 15 to 20 at 9 to 10 m depth. SBC of this strata would be 12 T/m2 upto 6m depth and increase to 25T/m2 at 10m depth. However this will not be adequate for the proposed building loads at the basement level of 8m. 6.4 At the basement founding depth of 8 m, there is either silty clay or highly weathered WEAK breccias/basalt. Based on rock mass rating a net allowable bearing pressure of 45 T/m2 can be permitted on weathered rock . This will not be adequate for the proposed building loads. Pile foundations will have to be adopted. 6.5 Uplift pressure with water at ground level should be considered in the design. 6.6 Bored cast in situ piles as per IS- 2911 (Par 1/Sec 4) should be provided. With 5 pile dia. Socket , safe pile capacity of 600 T/m2 acting on pile cross section can be adopted. 6.7 The basement excavation needs to have a bench or a retaining scheme. Details can be worked out based on the final planning of the building.

D.V. KARANDIKAR

(Geotechnical Consultant)

1st December, 2010.

------~~----~--~--~~-

D. V. Karandikar & Associates Continuation Sheet No ......

WEATHERING GRADES OF ROCK MASSES Ref. Table 10 of BS-5930-1981 (CP-2001)

As per BS-5930 Author's Suggestion Term Description Grade Core RQD Recovery (%)_ J%) Fresh No Visible sign of rock material I 90 to 100 75 to 100 weathering; perhaps slight discoloration on major discontinuity surfaces.

Slightly Discoloration indicates weathering II 75 to 90 50 to 75 Weathered of rock material and discontinuity surfaces. A II the rock material may be discoloured by weathering.

Moderately Less than half of the rock material III 50 to 75 25 to 50 Weathered is decomposed or disintegrated to a soi I. Fresh or discoloured rock is present either as a continuous framework or as corestones.

Highly More than half of the rock material IV 10 to 50 Weathered is decomposed or disintegrated to oto 25 a soil. Fresh or discoloured rock is (N >100) present either as discontinuous framework or as corestones.

Completely A II rock material is decomposed V oto 10 Nil Weathered and / or disintegrated to soil. The (N)50) original mass structure is sti II largely intact.

Residual A JJ rock material is converted to VI CR NIL Nil Soil soil. The mass structure and N= 10 to materia! fabric are destroyed. 30 There is a large change in volume, but the soil has not been significantly trans~orted.

13 D. V. Karandikar & Associates Continuation Sheet No......

TABLE

As per ASCE * As per BS-5930 Rock Strengths UCS UCS Strength (Kg/cm2) (Kg/cm2) Very High > 2200 > 2000 Extremely Strong High 550 to 2200 1000 to 2000 Very Strong

Medium 140 to 550 500 to 1000 Strong 125 to 500 Moderately Strong Low 35 to 140 50 to 125 Moderately Weak Very Low 9 to 35 12.5 to 50 Weak

Soil <9 < 12.5 Very Weak * Ref. Dr. N. V. Nayak : Foundation Design Manual Based on Various Sources.

TABLE

Soundness of Rock Double Tube Core Barrel (CR%) State of Cracks - Sound Rock > 85 % Less than 3 mm & more than 1 m apart. Medium >50% 6 mm & more than 60 cm apart. Intermediate > 3< % 25 111m & 30 cm apart. Soft < 35 % SPT > 50

TABLE

Fracture State (BS-5930) RQD (%) Term 0-25 Very Poor 25 - 50 Poor 50 -75 Fair 75 - 90 Good i 90 100 Excelle nt

14 D. V. Karandikar & Associates Continuation Sheet No......

CSIR GEOMECHANICS CLASSIFICATION OF JOINTED ROCK MASSES

CLASSIFICATION PARAMETERS AND THEIR RATING Ref: IS-13365 Part 1

PARAMETER RANGES OF VALVES For this low Point load > 8 MPa 4-8 MPa 2-4 MPa 1-2 MPa range uniaxial Strengt strength compressive test 1 h index is ~referred Of Uniaxial intact compressiv > 200 100-200 50-100 25-50 10-25 3-10 1-3 MPa MPa MP rock e strength MPa MPa MPa MPa a materia I Rating 15 12 7 4 2 1 0 Drill core quality 90% 75%-90% 50%-75% 25%-50% <25% 2 RQD 100% Rating 20 17 13 8 3 Spacing of joints >3 m I-3m 0.3-1m 50-300 < 50mm 3 mill Ratin~ 30 25 20 10 5 Very rough Slightly Slightly SI ickensided surface rough surfaces / continuous surfaces Gouge 0( 5 Soft gouge > 5 mm Condition of joints No Separation rough mm thick / thick / joints open> 5 4 separation < 1 mm joints open mm Continuous joints Hard joint Hard joint 1-5 mm wall rock wall rock surfaces Continuolls joints Separati

on < 1

mIT]

Soft joint wall rock Rating 25 20 12 6 0 Inflow per 10 < 25 25-125 > 125 li t/min m tunnel None lit/min lit/min length Groun Joint water d 5 pressure / Zero 0.0-0.2 0.2-0.5 > 0.5 water major principal stress

15 General Completely dry Moist Water Severe water conditions only under problems (interstitia moderate I water pressure onl Ratio 10 7 4 0

B. RATING ADJUSTMENT FOR JOINT ORIENTATIONS

Strike and dip Very Very Favourable Fair Unfavourable orientations ofloints favourable unfavourable Tunnels 0 -2 -S -\ 0 -12 Foundations 0 -2 -7 -IS -2S Ratings SIQPes 0 -S -2S -SO -60

C. ROCK MASS CLASSES DETERMINED FROM TOTAL RATINGS

Rating 100-81 80-61 - 60-41 40-21 < 20 Class No I Il 1lI IV V Description Very good rock Good rock Fair rock Poor rock Very poor rock

D. MEANING OF ROCK MASS CLASSES

Class No I II III IV V Average stand- 10 years of 6 months for 4 1 week for 3 S hours of 1.S 10 min. for up time S m span m span m span m span O.S m span Cohesion of < 100 kPa > 300 kPa 200-300 kPa ISO-200 kPa 100-\SO kPa the rock Friction angle of the rock > 4So 40°-4S o 35 "_40° 30 0 -3So < 30° mass

THE EFFECT OF JOINT STRIKE AND DIP ORIENTATIONS IN TUNNELLING

Strike perpendicular to tunnel .axis Strike parallel to tunnel Dip 0° - 20° Drive with dip Drive against dip axis r- irrespective Dip Dip Dip Dip Dip Dir of soils 45° - 90° 20° - 4So 4So 90° 20° - 4So 4So - 90° 20° - 4So Very Very Favourable Fair UnfavourabIe Fair Unfavourable II favourable unfavourable

16 ID. V. Karandikar & Associates IContinuation Sheet No ...... I I i Sum of As per Rock Mass Rating (RMR) At 8m Depth below G.L. at Permanent Magnet Site, Borivali East (l to 5) 1S-12070 (1) J2) (3) (4) (5) less 2# BH Ground Water DCS RQD Joint Spacing Condition of Joints RMR Net SBC No Pressure Roughness and Rating Rating mm Rating Rating Field Rating Kg/cm2 % gouge thickness No. No. No. Assessed No. No. Condition No. T/sqm Assessed mm 13 37 1 62 13 50 to 300 . 10 <5 6 Severe 0 28 14 35 1 Nil 3 50 to 300 5 <5 6 Severe 0 13 I

-\-l

__ _ 1 _ _ ___ - --- - - - - - ------

Average RMR= 20

#Note: l)RMR reduced by 2 points to allow for possible 'favourable' orientation of rock strata 2)Net SBC with settlement limited to 12 mm is indicated above based on average RMR. ProJect: Permanent Magnet Building, Borivali Date: December 1.2010 TYPICAL PILE CALCULAnON based on Fig. 1 of 1S-14593 5 kglc 5 TIn 0 I Reduction factor, based 0 n ITable-4-1S-120 70 Load Carrying Capacity of Piles as per IS-14593 2 20 0.8 Rock RQD ssfa Fi 2 of 1S-145 93 S, em N Qt= Qb + Of 5 50 0.6 I Quali!' % j p I I 300 0.4 Qf= qc pi D IsO-P QB=qc Nj Nd Ap 10 100 0.4 very Po 0-25 0.2 0.55 100-30 025 Nd= 0.8+0.2'(ls/(D/1000)) Nd not to exceed 2 20 200 0.25 Poor 25-50 0.2 0.55 I 130-10 0.1 50 500 0.1 Fair 50-75 .2-0. 55 to 0.9 100 1000 0.08 I Good 75-90 0.5-0.1 .8 to 0.9 250 2500 0.05 Excelle 90-10C 0.&-1.C .9 to 1.0 1000 10000 0.02 15-12070-1987 (Reaffirmed 2005) with Amd. No.1 of Nov. 2008) Nj =( 3 + 5 I B) I ( 10 'sqrt ( 1 + (3INole: Equation includes a factor of safety of 3 d =thickness of discontinuities in cr 1.0 Hence, S= spacing of discon~l"Iuities in em: 30 Nj= 0.10 B = Footing width or pile dia. in cm 120 <)C= rock socket reduction factor,Fig.1,1S-14593 EQ VALID IF 5 > 0.3 m, d > 10 mm (15mm if filled with soil) ancrela ted to rock ucs, qc, ref. fig. 7.17 Tomlinson, ELBS, 6th Ed Otherwise use Table 4. p- rock socket correction factor,Fig.2,JS-14593 P related to rock mass factor, j ref.I'9.7.18, pp287,Tomfinson, ElBS, 6th Ed.

Ref: BH15 Safe Ot IRC-78

Safe Pile Ie BH ')t/I>....'1 Ot safelAp D Ap'Ie Socke UCS Com put dopte Safe Safe 0 p Safe I Safe Qt= 1m T/m2 , Ap Length 'k N Nd Nd qb Qb Fig. 1 Fig.2 qf Of Qb+Q mm sqm Is m T/sqm T/sqm T T/sqm T T T T/m2 1000 0.785 5.00 200 0.10 1.80 1.8 36 28.3 0.25 0.55 28 439.8 468 15 '15 596 482 614 900 0.636 4.50 200 0.10 1.80 1.8 36 I 229 0.25 0.55 28 356.3 379 14.5 15 596 389 611 800 0503 4.00 200 0.10 1.80 1.8 36 I 18.1 0.25 0.55 28 281.5 300 14 15 596 306 609 100 0.385 3.50 200 0.10 1.80 1.8 36 139 0.25 0.55 28 2155 229 13.5 15 596 23.3 605

PfLE CAPACITIES AS PER IRC-78 -OCT.2010-METHOD 1

METHOD 1 -IRC-78-SECTION 9-APPENDIX 5 8H15 max FOS-3 FOS=~Of m Safe Pile Ie BH Ot safelAp D Apile Socke UCS Com put do pte ltimat kb Safe ult safe Safe Qt= m Ap LengtJ q, R. '* RQD' +RQ[ Ksp Df Nd qb Qb qf qf I Of Qb+Q mm sqm Is, m T/sqm T/sqm TIm 2 T T/sqm T/m2 I T T T/m2 1000 0.785 5.00 200 30 0 15 0.3 280 1.2 72 I 1500 24 32 5.30 I 78 102 15 15 130 900 0.636 4.50 200 30 0 15 0.30 280 12 72 1500 24 32 5.30 63 87 14.5 15 137 800 0.503 4.00 200 30 0 15 0.30 2.80 1.2 72 1500 24 32 5.30 49 73 14 15 146 700 0.385 3.50 200 30 0 15 0.30 280 1.2 72 1500 24 32 5.30 I 37 61 13.5 15 159

METHOD 2 IRC 78 SECTION 9 APPENDIX 5 A 8 C I D E I C+E 8+E Adopt LengtJ D Is are Socke [lace A!SPT, ~ CU.b Nc I Re e/FO'i>wend Cu s rm.Soc cket a~ Raf ~aflFO~ Qall QII Qall m Ab ength, of socket Mpa FOS=1A' 50C Mpa lengith. for capacity FOS-6 mm sqm m m2 T T I T actual-O m2 T T I T T T 1000 0.785 5.00 15.71 150 1.00 9 707 236 393 1.00 4.70 14.77 1477 246 639 482 482 15 900 0.636 4.50 12.72 150 1.00 9 573 191 318 1.CO 420 11.88 1188 198 516 389 389 14.5 800 0 503 4.00 10.05 150 1 00 9 452 151 251 100 3.70 9.30 930 155 406 306 306 14 700 0385 3 50 770 150 1 CO 9 346 1 ~ 11<2 1 00 3.20 704 704 117 31 0 233 233 135

qf-ult qf-safe UCS, Mpa Mpa Mpa safe qf, T/m2 U~ Fliction=0.225"sqrt UCS 2 0.32 0.053 5.30 With FOS=6, safe friction= Utt Friction 16 5 050 0.084 8.39 10 0.71 0119 11.86 qf ult not to exceed 300 T/m2 or qf allowablf 50 T/m2 20 1.01 0168 16.77 and qb max wrth FOS 3 = 1500 T/m2 ·qb max a!\owable ;:: 500 Tfm2 50 1.59 0.27 26.52

J2 ,

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," : PERMANENT MAGNET L TD.BORIVALI (E) DATE OF EXECUTION: 23/07/2010 TO 29/07/2010 E HOLE NOB,H,NO-13 CASING: 3,00 M,B,G,l, METHOD: ROTARY DRILLING

VISUAL SOIL GRAPHIC RATE OF DESCRIPTION LOG PENETRAT ION MM/MIN

0 0

0 ('\ 0.75 v 1,00 FILLING 0 1,25 00 1,50 0 0 1.75 0 2,00 0 ,00/2,00 2,25 BROWNISH SANDY SILTY 2,50 CLAY 2,00/2.45 SPT 2,75 1\ 1\ 1\ 1\ 2.45 M ROCK 3,00 A A A A 74 % NIL 5,83 3,25 A A A A 3,50 1\ 1\ 1\ 1\ 3,50 M YELLOWISH 1 BROWNISH 3.75 1\ 1\ 1\ 1\ WEATHERED BASALT !I. 1\ 1\ 1\ 4,00 WITH INHITE INFILLING 60% 26% 5,00 4,25 A A A A 4,50 A A A A 4.75 A A A A 5,00 A A A A 5,00 M 5,25 A A A A f . A A A 5,50 55 % 10% 4,54 5.75 A A A A 6,00 f\ 1\ f\ 1\ 6,25 1\ 1\ f\ 1\ 6,50 YELLOWISH 1BROWNISH 1\ f\ f\ f\ 6,50 M 6.75 WEATHERED BASALT A A A A A A A A 7,00 31 % NIL 4,17 7,25 1\ 1\ 1\ 1\ 7,50 1\ 1\ 1\ 1\ 775 f\ f\ 1\ II. 8,00 1\ 1\ f\ 1\ 8,00 M 1\ 1\ 1\ f\ 8,25 92% 62% 4.76 8,50 A A A A 8.75 A A A A 9,00 YELLOWISH/BROWNISH A A A A 9,00 M 9, 25 BASALT A A A A 9,50 A A A A 58 % 45% 4.76 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 10 ,00 M OLE IS TERMINATED TO NEXT PAGE

DISTURBED SAMPLE GEOTECHNICS AND FOUNDATION ENGINEERING MUMBAI : PERMANENT MAGNET L TD.BORIVALI (E) DATE OF EXECUTION: 23/07/2010 TO 29/07/2010 CASIN

" 1\ 1\ 1\

1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 73 % 33% 4.84 1\ 1\ 1\ 1\

1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 11.50 M 1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 53% NIL 4.54 1\ 1\ 1\ 1\

1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 13.00 M 1\ 1\ 1\ 1\

1\ 1\ " 1\ 73% 66% 4.41 1\ 1\ 1\ 1\

1\ 1\ 1\ 1\

GREYISH BASALT 1\ 1\ 1\ 1\ 14 .50 M 1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 66% 8% 4.68 1\ 1\ 1\ 1\

1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 16 .00 M 1\ 1\ 1\ 1\

" 1\ 1\ 1\ 70% 22% 4.17 1\ 1\ 1\ 1\

1\ 1\ 1\ 1\

1\ 1\ 1\ f\ 17.50 M

1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 64% 20% 4.28

1\ 1\ 1\ 1\

1\ 1\ 1\ 1\ 19.00 M

crv••,,!'<'''''' BOREHOLE IS TERMINATED @19.00 M.B.G.!.

: ROCK QUALITY DESIGNATION

: DISTURBED SAMPLE

2../ SITE: PERMANENT MAGNET L TD,BORIVALI (E) DATE OF EXECUTION: 23/07/2010 TO 25/07/2010 CASING: 2.00 M.B.G.L. OUND R.L: 100.20 METHOD: ROTARY DRILLING w.T: .30 DIA. OF VISUAL S SAMPLE PENETRATION %CORE BORE DESCRIPTION LOG RECOVE %RQD HOLE RY DEPTH TYPE NO. 15 30 N 0.00 100 0 0 0.25 MM 0 0.50 0 0 0.75 FILLING 0 0 0 1.00 1.25 j 0 0 1.50 0 1.50/1.52 175 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 2.00 50% 16% 8.82 2.25 1\ 1\ 1\ 1\ 2.50 1\ 1\ 1\ 1\ 2.75 1\ 1\ 1\ 1\ 3.00 1\ 1\ 1\ 1\ 300 M 3.25 1\ 1\ 1\ 1\ 3.50 1\ 1\ 1\ 1\ LIGHT 66% 32% 8.33 3.75 1\ 1\ 1\ 1\ YELLOWISH/BROWNISH 1\ 1\ 1\ 1\ 4.00 WEATHERED BASALT 4.25 1\ f\ 1\ A 4.50 1\ 1\ 1\ 1\ 4.50 M 4.75 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 5.00 78% 12% 7.89 5.25 1\ 1\ 1\ 1\ 5.50 1\ 1\ 1\ 1\ 5.75 1\ 1\ 1\ 1\ 6.00 1\ 1\ 1\ 1\ 6.00 M 5. 25 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 6. 50 48% NIL 7.14 6.75 1\ 1\ 1\ 1\ 7.00 1\ 1\ 1\ 1\ 7.25 1\ 1\ 1\ 1\ 7.50 GREYISH WEATHERED 1\ 1\ 1\ 1\ 7.50 M 7.75 BASALT 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 80D 46% NIL 7.14 8.25 1\ 1\ 1\ 1\ 8.50 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\

9.00 1\ 1\ 1\ 1\ 9.00 M RKS: BOREHOLE IS TERMINATED TO NEXT PAGE

~~__. <,~ D ROCK QUALITY DESIGNATION

DISTURBED SAMPLE I GEOTECHNICS AND FOUNDATION ENGINEERING MUMBAI SITE : PERMANENT MAGNET LTD,BORIVALI (E) DATE OF EXECUTION: 23/07/2010 TO 25/07/2010 CASING: 2.00 M.B.G.l. NO R.L: 100.20 METHOD: ROTARY DRILLING Wi': 1 M.B.G.L. SAMPLE PENETRATION TES DIA. OF VISUAL SOIL % CORE BORE DESCRIPTION LOG RECOVE % RQD HOLE RY DEPTH TYPE NO. 15 30 45 60 N 9.00 " " " " 9.00 M 9.25 " " " " 9 50 " " " " 30% NIL 8.33 9.75 " " " " 10.00 " " " " " " " " 10.50 " " " " 10.50 M 10.75 " " " " 11 .00 " " " " 40 % 14% 7. 89 11.25 " " " " 11 .50 " " " " 11 .7 5 " " " " 12 .00 " " " " 12.00 M 12.25 " " " " J\ 1\ 1\ 12 .50 " 42% NIL 8.33 12.75 " " " " 13 .00 " " " " 13.25 GREYISH WEATHERED " " " " 13.50 BASALT " " " " 13.50 M 13.75 " " " " 14 .00 " " " " 42% NIL 7.89 14 .25 " " " " 14.50 " " " " 14.75 " " " " 15. 00 " " " " 15.00 M " " " " " " " " 35% 9% 7.89 " " " " " " " " " " " " " " " " 16.50 M " " " " " " " " " " " " 43 % 26 % 7.50 " " " " " " " " " " " " 18.00 M EMARKS: BOREHOLE IS TERMINATED @18.00 M.B.G.L

RO CK QUALITY DESIGNATION PERMANENT MAGNET LTD,BORIVALI (E) DATE OF EXECUTION : 30/07/2010 TO 04/08/2010 HOLE NO:B.H.NO-15 CASING: 10.5 M.B.G. L METHOD: ROTARY DRILLING

DIA OF VISUAL IL GRAPHIC (M) BORE DESCRIPTION LOG HOLE DEPTH TYPE NO. 15 30 45 60 N 0.00 0 0.25 o 0 0.50 FILLING o 0.75 nv "0V 1.00 0.00/100 1.25 1.50 1.50/2.10 SPT 1.75 2.00 2.25 2.50 2.75 3.00 3.00/3.60 SPT 2 3.25 3.50 BROWNISH SANDY CLAY 3.75 WITH GRAVELS 4.00 4.25 450 4.50/5.10 SPT 3 4.75 5.00 5.25 5.50 5.75 6.00 6.00/660 SPT 4 6.25 6.50 6.75 7.00 7.25 YELLOWISH CLAY 7.50 7.50/8.10 SPT 5 7.75 8.00 8.25 8.50 8.75 9.00 9001960 SPT 6 9.25 BROWNISH SANDY 9.50 /YELLOWISH CLAY 9.75 10.00 1\ 1\ 1\ 1\ 9. 80/9.84 SPT 7 BROWNISH WEATHERED 1\ 1\ f\. 1\ ROCK 27% NIL 12.00 ROCK f\ 1\ 1\ 1\ KS: BOREHOLE IS TERMINATED TO NEXT PAGE

ROCK QUALITY DESIGNATION

DISTURBED SAMPLE GEOTECHNICS AND FOUNDATION ENGINEERING MUMBAI

SITE· PERMANENT MAGNET L TD,BORIVALI (E) DATE OF EXECUTION : 30107/2010 TO 04/08/2010 BORE HOLE NO:B.H .NO-15 CASIN ;;: 10.5 M.B.G.L - --

DEPTH DIA. OF VISUAL SOIL GRAPHIC SAMPLE PENETRATION TEST %CORE % RQD RATE OF (M) BORE DESCRIPTION LOG RECOVE PENETRAT HOLE RY ION DEPTH TYPE NO . 15 30 45 60 N MM/MIN 10.50 " " " " 10. 75 1\ 1\ 1\ 1\ 11 .00 BROWNISH WEATHERED 1\ 1\ 1\ 1\ 11 .00 M ROCK 1\ 1\ 1\ 1\ 11 .25 18% NIL 11 .11 11 .50 1\ 1\ 1\ 1\ 11.75 1\ 1\ 1\ 1\ 12.00 1\ 1\ 1\ 1\ 12.00 M 12.25 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 12.50 GREYISH WEATHERED 52% NIL 10.00 12.75 BASALT " " " " 13.00 1\ 1\ 1\ 1\ 13.25 1\ 1\ 1\ 1\ 13.50 1\ 1\ 1\ I\. 13.50 M 13.75 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 14 00 25% NIL 10.71 14.25 1\ 1\ 1\ 1\ 14.50 1\ 1\ 1\ 1\ 14.75 GREYISH IBROWNISH 1\ 1\ 1\ 1\ 15.00 WEATHERED BASALT " " " " 15.00 M 15.25 1\ 1\ 1\ 1\ 1\ 1\ 1\ A 1".50 NX 43% 22% 9.37 15.75 1\ 1\ 1\ 1\ 16 .00 1\ 1\ 1\ 1\ 16.25 1\ 1\ 1\ 1\ 16.50 " " " " 16.50 M 1675 " " " " 1\ 1\ 1\ 1\ 17. 00 60% 22% 8.33 17.25 1\ 1\ 1\ 1\ 17.50 1\ 1\ 1\ 1\ 17.75 " " " " 18.00 1\ 1\ 1\ 1\ 18.00 M GREYI SH WEATHERED 1\ 1\ 1\ .\ 18.25 BASALT 1\ 1\ 1\ 1\ 18.50 45% 8 60 8.33 18.75 1\ 1\ 1\ 1\ 1 . % 19.00 " " 1\ 1\ 19.25 " II 1\ " 19 50 1\ 1\ 1\ 1\ 19.50 M 19.75 1\ 1\ 1\ 1\ 61 % 41% 6.52 20.00 1\ 1\ 1\ 1\ REMARKS: BOREHOLE IS TERMINATED TO NEXT PAGE SCALE: 1 00 CR: COR E RECOVERY RQD ROCK QUALITY DESIGNATION WS WASH SAMPLE OS · DISTURBED SAMPLE JAI GEOTECHNICS AND FOUNDATION ENGINEERING MUMBAI SITE. PERMANENT MAGNET L TD,BORIVAU (El DATE OF EXECUTION. 30/07/2010 TO 04/08/2010 BORE HOLE NO.B.H.NO-15 CASING. 10.5 M.B.G.L. GROUND RL 100.25 METHOD. ROTARY DRILLING WT 1.40 M.B.G.L. DEPTH DIA OF VISUAL SOIL GRAPHIC ' SAMPLE PENETRATION TEST % CORE % RQD RATE OF (Ml BORE DESCRIPTION LOG ~--~----,.---l--'--r---r--"-~ RECOVE PENETRA T HOLE RY ION DEPTH TYPE NO . 15 30 45 60 N MMIMIN

1\ 1\ 1\ 1\ 20 .00 1\ 1\ 1\ 1\ 20 .25 1\ 1\ 1\ 1\ 20.50 1\ 1\ 1\ 1\ 20.75 1\ 1\ 1\ {\ 21.00 21.00 M 21.25 1\ 1\ 1\ 1\ 1\ 1\ /I. 1\ 21 .50 49% 38% 600 21.75 1\ 1\ 1\ 1\ 22.00 NX 1\ 1\ 1\ 1\ 22.25 1\ 1\ I\. 1\ 22 .50 1\ 1\ 1\ 1\ 22 .50 M 22.75 1\ 1\ 1\ 1\

2300 71% 26% 5.36 2325 1\ 1\ 1\ /I. 23.50 1\ 1\ 1\ 1\ 23 .75 1\ 1\ 1\ 1\ 24.00 1\ 1\ 1\ 1\ 24.00 M 24.25 1\ 1\ 1\ 1\ 1\ /I. 1\ 1\ 24.50 65% 21% 5.17 24 .75 1\ 1\ 1\ 1\ GREYISH WEATHERED 1\ 1\ 1\ 1\ 25 .00 BASALT 25 .25 1\ I\. 1\ 1\ 25.50 1\ I\. 1\ 1\ 25.50 M 25.75 /I. 1\ 1\ 1\ 1\ 1\ 1\ 1\ 26.00 39% 23% 5.00 26 .25 26.50 1\ 1\ /I. 1\ 26 .75 1\ 1\ 1\ 1\ 2700 1\ 1\ I\. 1\ 27.00 M 27 .25 1\ 1\ /I. 1\ 1\ 1\ 1\ I\. 27.50 25% NIL 4.84 27.75 1\ 1\ 1\ 1\ 28 .00 1\ 1\ 1\ 1\ 28.25 1\ 1\ 1\ 1\ 28.50 1\ 1\ 1\ 1\ 28.50 M 28.75 1\ 1\ 1\ 1\ 29.00 1\ 1\ /I. 1\ 1\ 1\ 1\ 1\ 33% NIL 4.55 29 .25 29 .50 1\ 1\ 1\ 1\ 29 .75 1\ 1\ 1\ 1\ :lOOO " " "" 30.00 M REMARKS: BOREHOLE IS TERMINATED @30.00 M.B.G .L SCALE 1.00 CR . CORE RECOVERY RQD . ROCK QUALITY DESIGNATION WS WASH SAMPLE SITE: PERMANENT MAGNET LTD,BORIVALI (E) DATE OF EXECUTION: 28/07/2010 TO 02/08/2010 BORE HOLE NO :B.H.NO-16 CASING: 11.50 M.B.G.L. GROUND R.L: 100.60 METHOD: ROTARY DRILLING W.T: 1.40 M.B.G.L. DEPTH DIA. OF VISUAL SOIL GRAPHIC SAMPLE PENETRATION TEST % CORE %RQD RATE OF (M) BORE DESCRIPTION LOG RECOVE PENETRA RY HOLE TION DEPTH TYPE NO. 15 30 45 60 N MMIMIN 0.00 1( 0 0 0.25 Mf;1 0 0.50 0 0.75 0 FILLING 1.00 0 0 1.25 1.50 0 0 0 1.50/1.56 SPT 1 6 N 1.75 51 R NO RECOVERY 2.00 0 0 2.25 2.50 2.75 3.00 3.00/3.60 SPT 2 15 30 45 60 N 3.25 3 4 4 6 8 3.50 3.75 4.00 4.25 4.50 4. 50/5.10 SPT 3 15 30 45 60 N 4.75 3 5 5 6 10 5.00 5.25 5.50 5.75 6.00 6 .0016 .60 SPT 4 15 30 45 60 N YELLOWISH IBROWNISH 6.25 3 3 6 7 9 SANDY CLAY WITH 6.50 GR AVELS 6.75 7.00 7.25 7.50 7 .50/8.10 SPT 5 15 30 45 60 N 7.75 6 6 9 11 15 8. 00 8. 25 8.50 8. 75 9.00 9.00/9.60 SPT 6 15 30 45 60 N 9.2 5 6 8 10 13 18 9.50 9.75 10.00 10.25 SPT 7 15 30 45 50 N 10.50 I 10.50/11.00 9 11 13 51 24 REMARKS: BOREHOLE IS TERMINATED TO NEXT PAGE SCALE 1 00 CR : CORE RECOVER Y RQD ROCK QUALITY DESIGNATION WS : WASH SAMPLE OS: DISTURBED SAMPLE JAI GEOTECHNICS AND FOUNDATION ENGINEERING MUM BAI SITE. PERMANENT MAGNET L1D,BORIVALI (E) DATE OF EXECUTION: 28/07/2010 to 02/08/2010 BORE HOLE NO.B.H.NO-16 CASING: 11 .50 M.B.G .L. GROUND R.L 100.60 METHOD: ROTARY DRILLING W.T. 1.40 M.B.G.L. DEPTH DIA. OF VISUAL SOIL GRAPHIC SAMPLE PENETRATION TEST % CORE %RQD RATE OF (M) BORE DESCRIPTION LOG RECOVE PENETRA RY HOLE TION DEPTH TYPE . NO. 15 30 45 60 N MM/MIN 10.50 YELLOWISH SANDY 10.75 l-j~J SILTY CLAY 1\ 1\ 1\ 1\ 11.00 11.00 M 1\ 1\ A 1\ 11 .25 1\ 1\ 1\ 1\ 11.50 YELLOWISH IBROWNISH 37% NIL 8.33 11.75 WEATHERED BASALT 1\ 1\ 1\ 1\ WITH WHITE INFILLINGS 12.00 1\ 1\ 1\ 1\ 12 .25 1\ 1\ 1\ 1\ 12.50 1\ 1\ 1\ 1\ 12.50 M 12.75 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 13.00 76% 15% 7.89 13.25 1\ 1\ 1\ 1\ 13 .50 1\ 1\ 1\ 1\ 13.75 1\ 1\ 1\ 1\ 14.00 YELLOWISH IBROWNISH 1\ 1\ 1\ 1\ 14.00 M 14.25 WEATHERED BASALT 1\ ,\ 1\ 1\ 1\ 1\ 1\ 1\ 14 .5 0 70% 46% 7.50 14.75 1\ 1\ 1\ 1\ 1500 1\ 1\ 1\ 1\ 15 .25 1\ 1\ 1\ 1\ 15.50 NX 1\ 1\ 1\ 1\ 15.50 M 15.75 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 16.00 68% 15% 7.89 , YELLOWISH IBROWNISH 16.25 1\ 1\ 1\ 1\ WEATHERED BASALT 1\ 1\ 1\ 1\ 16.50 WITH WHITE INFILLINGS 16 .75 1\ 1\ 1\ 1\ 17.00 1\ 1\ 1\ 1\ 17.00 M 17.25 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 17.50 16% NIL 7.89 17.75 1\ 1\ 1\ 1\ 18.00 1\ 1\ 1\ 1\ 18.25 1\ 1\ 1\ 1\ 18.50 YELLOWISH IBROWNISH 1\ 1\ 1\ 1\ 18.50M 18.75 WEATHERED BASALT 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 19.00 21% 8% 8.33 19.25 1\ 1\ 1\ 1\ 1950 1\ 1\ 1\ 1\ 19.75 1\ 1\ 1\ 1\ 20.00 1\ 1\ 1\ 1\ 20 .00 M REMARKS: BOREHOLE IS TERMINATED TO NEXT PAGE SCALE 1.00 CR CORE RECOVERY ROD . ROCK QUALITY DESIGNATION WS WASH SAMPLE DS DISTURBED SAMPLE JAI GEOTECHNICS AND FOUNDATION ENGINEERING MUMBAI I SITE: PERMANENT MAGNET LTD,BORIVALI (E) DATE OF EXECUTION: 28/07/2010 TO 02/08/2010 BORE HOLE NO:B.H.NO-16 CASING: 11 .50 M.B.G.L. GROUND R.L: 100.60 METHOD: ROTARY DRILLING

I__...... --.,--_---r___..,...,...,..,.-~---..,....."=_....,...,._,,."T"_--_=_,..,W:...:,:.;.T: 1.40 M .B.G.L. DEPTH DIA OF VISUAL SOIL GRAPHIC SAMP;"E PENETRATION TEST % GORE % RQD RATE OF REGaVE (M) BORE DESCRIPTION LOG PENETRA ~---~--'-~~-T-'--r-~-~ RY HOLE TION DEPTH TYPE NO. 15 30 45 60 N MM/MIN 20.00 1\ '" A A 20.00 M 1\ 1\ 1\ 1\ 20.25 1\ 1\ 1\ 1\ 20.50 22% NIL 7.50 1\ 1\ 1\ 1\ 20 .75 1\ 1\ 1\ 1\ 21.00 1\ 1\ 1\ 1\ 21 .25 1\ 1\ 1\ 1\ 21.50 21 .50 M 1\ 1\ 1\ 1\ 21 .75 A A A 1\ 22.00 NX 23% NIL 6.82 1\ 1\ 1\ 1\ 22.25 22.50 1\ 1\ 1\ 1\ 22.75 1\ 1\ 1\ 1\ 23.00 1\ 1\ 1\ 1\ 23.00 M 1\ 1\ 1\ 1\ 23 .25 45% NIL 6.67 23.50 1\ 1\ 1\ 1\ 23.75 1\ 1\ 1\ 1\ 24 .00 1\ 1\ 1\ 1\ 24.00 M 1\ 1\ 1\ 1\ 24.25 70% NIL 6.25 1\ 1\ 1\ 1\ 2450 24 .75 1\ 1\ 1\ 1\ GREYISH WEATHERED 1\ 1\ 1\ 1\ 25.00 M 25 .00 BASALT 1\ 1\ 1\ 1\ 25 .25 29% 20% 6.25 25.50 1\ 1\ 1\ 1\ 1\ 1\ i\ 1\ 25.75 26 .00 1\ 1\ 1\ 1\ 26.00 M 1\ 1\ 1\ 1\ 26.25 49% NIL 5.88 1\ 1\ 1\ 26.50 1\ 1\ 1\ 1\ 1\ 26.75 27.00 1\ 1\ 1\ 1\ 27.00 M 1\ 1\ 1\ 1\ 27 .25 47% NIL 5.55 27.50 1\ 1\ 1\ 1\ 1\ 1\ 1\ 1\ 27.75 1\ 1\ 1\ 28.00 1\ 28.00 M 1\ 1\ 1\ 1\ 28.25 63% 20% 5.26 1\ 1\ 1\ 1\ 28.50 1\ 1\ 1\ 1\ 28.75 29.00 1\ I\. 1\ 1\ 29.00 M 1\ 1\ 1\ 1\ 29.25 1\ 1\ 1\ 1\ 30% NIL 5.55 29.5 0 1\ 1\ 1\ 1\ 29.75 30 .00 1\ 1\ 1\ 1\ 30.00 M REMARKS: BOREHOLE IS TERMINATED @30.00M.B.G.L SCALE:1.00 CR CORE RECOVERY RQD: ROCK QUALITY DESIGNATION

\/l/.C,· IIIIA.C,H C,AMPI '" ICLIENT :PERMANENT MAGNET.L TO, BORIVALI (E)

SOIL TEST DATA SHEET

Soil Liquid Sr.No. BH No. Depth Gravel % Sand % Silt % Clay% PI% Pi % Classification SPG limit % Engineering

1 BH15 1.50/2.10 0 20 40 40 45 20 25 CI 2.63

2 BH16 3.00/3.60 0 25 30 45 48 21 27 CI 2.62 t.N o 3 BH16 600/660 0 30 35 35 46 20 26 CI 2.61 - - - - - - - - - - -

Lab Incharge

(Anil Singh)

JAI GEOTECHNICS AND FOUNDATION ENGINEERING I Gravel I Sand I Clay lJ c.... Silt .Q. l Coarse L Fine 1Coarse l Medium Fin e I » I I I CD 0 80mm 20 mm 4. 75m m 2.0m m O.425 mm 75xlO·' mm 2x10" mm 0 ~ G') -1 m CD ;0+: 100 3 CD"" en 0 . ~ . ~ . . .. -m m AI ("') \ $: $: 90 ~" < ::J: '" "" 05 -CfJ m Z .' I.!. '\ CfJ lJ I ("') 80 » m l> '. ;0 " . I $: en ' , s: Z » 1'.,...1 ;0 » 0 z 70 Ix."" (D z C , I m , ... ~ 0 ::I: "T1 c:: z cu 60 ~ ~ '- -1 -< 0 ..c:: " . :. $: 0 C l i; ~ » z ... , -z G) :;0 C (I) 50 tx c:: "'-. lJ Z 0 A < m ~ c:: " ~ ~ _-1 " ~ I'--.. s: 0 u::: 40 r (D -1 0 m z 0~ 0 -i m \, • ;0 m z 30 \ < G') »r ;U I Z m I m 20 ~ » m \ Z 22 10 » z r I G') -< . 0 (J) :!: c 100 10 1 0.1 0.01 0.001 0.0001 (J) :!: OJ » Particle Size ( mm )

0 Bore Hole Sample Depth Gravel Sand Silt Clay 0 10 0 30 0 60 Cc= (D:::T Symbol Classification Cu = D5 ~DlO Remarks '< CD No . D30/ (D60 D,0) 0 Type m % % % % mm mm mm . . '"CD c. • • • BH15 0 1.50/2.10 SM 20 70 ~ 10 NP ... • • • BH15 0 4 .50/5.10 SM 22 65 ~ 13 .- • NP • • • BH15 0 7.50/8.10 CI 0 25 30 45 48 21 27 ...... BH16 0 900/960 CI 0 30 35 35 46 20 26

IE )I' BH16 0 6 00/6. 60 CI 0 20 40 40 45 20 25 * - ICUEN-T :PERMANENT MAGNET.LTD, BORIVAU (E)

ROCK TEST DATA SHEET

Sample Length in Water Absorption Dry Density Sr.No. BH No . Depth Dia in em D:L UCS Kg/em2 Porosity in % No. em in % grm\ee

1 BH13 3.50/5.00 - 1000 4.90 12.04 26.53 11.64 5.52 2.11

2 BH13 8.00/9 .00 - 10.00 4.90 12.04 37 ,14 11 .14 5.25 2.12

3 BH14 1.50/3.00 - 10.00 5AO 11 .85 30 .58 10 .92 5.20 209 LN tJ 4 BH14 16.50/18.00 - 10.00 5.00 12.00 35 .66 11 .20 5.10 2.19 5 BH15 1500/1650 - 10.00 4.70 12.13 28.83 11 .53 5A3 2.12

6 BH15 21 .00122 .50 - 10.00 4.90 12.04 37 .14 11 .14 5.26 2.12

7 BH16 14.00/15.50 - 10.00 5.20 11 .92 32.97 10.36 4.86 2.13

8 BH16 28 .00/29. 00 - 10.00 5.20 11 .92 23.55 10.83 5.13 2.11

Lab Incharge

(Anil Singh) ICLIENT :PERMANENT MAGNET.L TO, BORIVALI (E)

CHEMICAL ANALYSIS OF WATER

Sr. No . Bore Hole No Depth Ph. Chloride as cl in ppm Sulphate as S03 in ppm

1 BH13 - 7.55 17500 29 .00

2 BH14 - 7.56 138.00 38 .00

\N 3 BH15 - 7.46 92.14 21 .16 uJ 4 BH16 - 7.55 125.00 34 .00

------

Lab Incharge

(Anil Singh)

JAI GEOTECHNICS AND FOUNDATION ENGINEERING SAFE CORES AND TESTS SOIL MECHANICS LABORATORY MUMBAI- 93

MODULUS OF ELASTICITY OF ROCK IN UNIAXIAL COMPRESSION [IS: 9221]

SITE : BORIVALI DATE: 20/11/10 B. H. NO. : 15 CORE NO. DEPTH : 15.00-16.5 m

METHOD OF TEST : RING CONDITION OF TEST: SOAKED

SPECIMEN DIAMETER = 5.3 em SPEC IMEN HEIGHT = 12.3 em

....

·-1\_.

200

';-

I ~ N 160 ... E () t:' ...,.'- I,' . :--+ Cl 1:;":Fi= ::.::: !: :=t:.=:-R . 120 en - . en I'-'=~' w • __ .-1--, c:: .== ..... --- -. ""-= = I- , ~. - ---=- ~ -'- ..-:: en .•-. I--:c:-:-:-;=.-:::.: 80 :::L 'C~= .. .~ I=:='·-:c r.:::..:

o 0.1 0.2 0.3 0.4 0.5 0.6

STRAIN In %

MODULUS OF ELASTICITY (E) = 0.24 x 105 Kg/cm 2 ~=~' (INITIAL TANGENT MODULUS)

SAFE JOB NO.: P-587 SAFE CORES AND TESTS SOIL MECHANICS LABORATORY MUMBAI- 93 MODULUS OF ELASTICITY OF ROCK IN UNIAXIAL COMPRESSION [IS: 9221]

SITE : BORIVAU DATE: 20/11/10 B. H. NO. : 16 CORE NO. DEPTH : 28.0-29.0 m

METHOD OF TEST : RING CONDITION OF TEST: sOA\<..£D

SPECIMEN DIAMETER = 5.1 em SPECIMEN HEIGHT 13.9 em

240 - ;+

=1=.

·~H-

200 ---- t: r=.. _- - ;"1=:: _. -t- o . -=t ---_...... -~r:.-. ~- 160 '"E u ::--1. _-_ -t -- ..- Cl E' ~:i x: t --::t~ r::: 120 en en -~ w - _. ., _. 0:: f ~ --.:.- en 80 r-.-.- , -r.-:--=t= . -

o 0.10 0.20 0.30 0.40 0.5 0.6 0.7

STRAIN In %

MODULUS OF ELASTICITY (E) =0.32 (INITIAL TANGENT MODULUS)

SAFE JOB NO.: P-587 BH-13 BH-14 BH-15 BH-1 6

Or-----r-~_,------._----._------_r~~,_------_,~~_.------__,

Fill

I 9 ti: I 10 b: llj N!24 w 0 1\ CR / RQD 11

12 1250 1\ 1\ 1\ " 371NIL

14.00 A 76115 14 • UC~3~ 15 15 50 1\ " 1\ 1\ 70146 , A 16

68/15

18 l6INIL

A 21 /8 20

, 491NIL 27

471N IL lJCS.;24kg/cm2 , 63/20

301NI L

SUB SOIL PROFILE

: MR SAMIR BHOJWANI

'''".... ,,=r T : PROPOSED TOWER AT 'PERMANENT MAGNET' SITE IN BORJVAU (E)

: JAI GEOTECHNICS AND FOUNDATION ENGINEERING DISASTER MANAGEMENT PLAN – DURING CONSTRUCTION Sr. Hazards PHASE Action plan 1 Accidents, Injuries due to : Certified contractors shall maintain high standard of work environment Working on heights, risk of fall Safety plan shall be prepared and followed stringently on site : Falling material and collapses • Restricted entry Working on wet surfaces/ • Permit Systems (wherever applicable) with clear work instructions fragile roof • Training, supervising site workers to follow safe operating procedures(SOPs) Mechanical Hazards • Signpost slippery areas, safety shoes with a good grip to the workers /supervisors Chemical Handling, • Use of Proper PPEs like Helmet, safety goggles , safety belts , safety shoes , safety Electrical Hazards, jackets , safety torch Hot work • Use of safety nets while working from heights • Covered walkways • Combustible Materials, Paint, Plastics stored on site as per manufacturer guidelines & Safety Regulations. • Electrical equipment shall be regularly checked and properly maintained 2 Fire/Explosion Hazard due to • Portable public address system Electrical fire • Dry riser with hydrant outlets on the floors constructed with a fire service inlet Hot work (cutting, welding & • Provision of temporary Fire Fighting Water Supplies and appropriate Fire brazing etc.) Suppression Measures. Storage of Combustible • Prohibition of smoking on site , Restricted smoking Zone during construction Materials • Use of PPEs full covered heavy material cloths , leather high toped fire resistance boots and gloves, use ear plugs or muffs, respiratory protective equipments, etc.

3 Health Hazards due to • Controlling the dust pollution by dust suppression on site . Biological, Air, Water • Cordoning site with barricades Pollution, Noise/ Vibration , • First Aid confinement place entry, • Use of Proper PPE painting • Adequate drinking water and sanitary facilities • Occupational Health, Life safety of Workman during construction activity • Nearby hospitals are identified DISASTER MANAGEMENT PLAN – DURING OPERATION PHASE

Type of Management Disasters Local flood Increase in the Finished Ground Level as part of construction stage to prevent rain water accumulated on surrounding areas to enter into the project area. Provision of storm water drains at entry/ exit point to prevent entry of rain water Provision of adequately sized storm water drains to discharge the storm water from the project area into the external storm water drainage system. External Storm water system is sufficient to cater to this additional discharge. Earthquake The structural design is certified as per IS criteria for earthquake resistant design of structures Certification from Structural Engineer regarding EQ Resistant Design Fire • Underground water storage tank of adequate capacity • Automatic Fire Hydrant System • Automatic Sprinkler System • Portable Fire Extinguishers • Analogue Addressable Fire Alarm System with Emergency Voice Evacuation System • Manual Fire Alarm System • Provision of refuge areas • Fire lifts Lightening Provision of Lightening arrestors Power Provision of DG sets failure LOCATION MAP

GOOGLE IMAGE