Conceptual Plan

Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences CP Project Address Ayur Vigyan Nagar at August Kranti Marg, New Delhi

CONCEPTUAL PLAN

2.0 INTRODUCTION The proposed project is the Redevelopment of the Residential Group Housing Project on a plot area 49.4017 acres at Masjid Moth, Ayur Vigyan Nagar, New Delhi. Earlier, the residential colony consists of Towers of type IA, IB, IIA, IIB, IIIA, IIIB, IVA and Garage with the existing covered area of 72,766.13m2. These buildings are to be demolished and 2- BHK & 3-BHK flats of Type-II, Type-III & Type-IV are proposed with modern facilities along with the Community Facility (Local Shopping complex, Community Centre, Utility Convenient Shopping & Dispensary, Club) and Commercials (Service Apartments). As a result of the redevelopment of the residential colony; the FAR and the built up area of the project after redevelopment will be4,22,110m2 and 5,99,810 m2 respectively.

The salient feature of the project includes energy saving fixtures, rain water harvesting system, sufficient aesthetic green cover and water conservation measures.

2.1 LOCATION & SURROUNDING OF THE PROJECT The project site is located at August Kranti Marg, Ayur Vigyan Nagar, New Delhi. The project site is well connected to Siri Fort Road and Khel Gaon Marg. The google image of the 500 m radius of the project site is shown in Fig 2.1 while 15 km topo-map is attached as Annexure-XII.

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Project Name Environment Clearance for Redevelopment of Residential Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar at August Kranti Marg, New Delhi

Fig 2.1: 500m buffer map of the project site

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar at August Kranti Marg, New Delhi

The surrounding features of the project site are presented in Table 2.1. Table 1.1: Surrounding Features of the Project Site S. No. Surrounding Features Name Aerial Distance & Direction from the Project Site 1 School Kendriya Vidyalaya Approx. 0.58 km (NE)

2 Religious Place Masjid Moth Approx. 0.78 km (NNW)

3 Hospital AIIMS Approx. 1.31 km (NW)

4 Nearest Metro Station AIIMS Metro Station Approx. 1.62 km (NW)

5 Fire Station Nehru Place Fire Station Approx. 3.09 km (EES)

6 Nearest Highway NH-2 Approx. 5.07 km. (E)

7 ISBT Sarai Kale Khan Inter State Approx. 5.07 km (NE) Bus Terminus 8 Nearest State Boundary Delhi –UP Border Approx. 8.66 km (E)

9 Nearest Railway Station New Delhi Railway Station Approx. 9.52 km (N)

10 Nearest Airport Indira Gandhi International Approx. 11.66 km (W) Airport Satellite Imagery of Project Area, Google earth Inc., USA

2.1.1 Land Use of Project Site The project is redevelopment of Residential Colony of AIIMS.The project site falls under Residential zone as per Delhi Master Plan 2021.The project site as shown in the master plan of Delhi-2021 is shown in Fig 2.2.

There is no litigation pending against the project by any Court of Law. This is a redevelopment project where the residential buildings will be constructed first and then the demolition will take place; hence; the project does not envisage any type of resettlement and rehabilitation of the living population; hence, there is no need for rehabilitation program.The project does not includeany ecologically sensitiveland.

The details of the area statement are given in Table 2.2 whereas the tower wise area details are shown in Table 2.3.

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Fig. 2.2 Location of project on Delhi Master Plan, 2021

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Table 2.2: Area Statement To be Demolished (B) Proposed (C) Total (A-B+C) Sr. No. Particulars Existing (A) (in m2) (in m2) (in m2) (in m2) 1 Total Plot Area 1,99,914.39

2 Net Plot Area 1,99,914.39 Permissible Ground Coverage 3 (@33.3% of the net plot area) 66,571.49 Ground Coverage Achieved 4 (@10.88% of the net plot area) 19,267.20 17,445.65 21,246.91 23,068.46 5 Permissible FAR 659717.487 Permissible FAR(@300% of the net 5(a) plot area) 599743.17 Permissible FAR for commercial (@10% of permissible FAR for 5(b) residential) 59974.317 6 Achieved FAR 72,766.13 57,640.49 4,06,984.36 4,22,110.00 7 Non FAR 0.00 0.00 1,77,700.00 1,77,700.00 7(a) Basement Area 0.00 0.00 1,76,000.00 176,000.00 7(b) Service Area 0 0 1,700.00 1,700.00

8 Built Up Area (6+7) 72,766.13 57,640.49 5,84,684.36 5,99,810.00 Landscape Area (66.22% of the 10 open area) 1,17,630.92 11 Surface Parking Area 23,518.10 12 Road Area/Pavements 36,572.90 13 Height of the tallest building 67.5 m Source:NBCC(India) Limited

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Table 2.3: Details of the Ground Coverage &FAR Sr. No. Particulars Ht of No. of the Ground Coverage FAR Floors building Existing Demolition Proposed Total Existing Demolition Proposed Total (A) (B) (C) (A-B+C) (E) (F) (G) (E-F+G)

1 Residential Type Tower Tower 0.0 4,604.80 a. Type-II T1-T10 0 4,604.8 0 0 108360 108360 B+G+20 64.65 Tower T11-T20 0.0 6,228.17 6228.17 & Tower 143,640.0 b. Type-III T23-T24 0 0 0 143,640.00 0 B+G+20 64.65 Tower T21, T22 0.0 1514.21 1,514.21 c. Type-IV & T25 0 0 0 39,060.00 39,060.00 B+G+20 64.65 d. IA 994. 56 994.56 0 0.00 3978.24 3978.24 0 0.00 B+G+20 64.65 e. IB 994. 56 994.56 0 0.0 3978.24 3978.24 0 0.00 f. IIA 2520.0 2520 0 0 10080 10080 0 0.00 g. IIB 2387.3 2387.3 0 0 9259.34 9259.34 0 0.00 h. IIIA 2118.8 2118.8 0 0 4237.6 4237.6 0 0.00 i. IIIA 1483.16 1483.16 0 0 4449.48 4449.48 0 0.00 j. IIIB 3675.70 3675.7 0 0 14386.75 14386.75 0 0.00 k. IVA 814.8 814.8 0 0 3195.2 3195.2 0 0.00 l. Garages 2456.77 2456.77 0 0 4075.64 4075.64 0 0.00

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Sr. No. Particulars Ht of No. of the Ground Coverage FAR Floors building Existing Demolition Proposed Total Existing Demolition Proposed Total (A) (B) (C) (A-B+C) (E) (F) (G) (E-F+G) m. Transit Hostel 510.73 0 0 510.73 4075.64 0 25,924.36 30,000.00 8 o. School 2500.00 0 0 2500.00 10250 0 0.00 10,250.00 p. Temple 800.00 0 0 800.00 800 0 0.00 800.00

Community 2 Facility Local Shopping B2 0.0 1638.21 1638.21 a. Complex 0 0 0 7500.00 7,500.00 3B+G+4 15.95

Community B3 0.0 b. Center 0 759.9 759.90 0 0 2500 2,500.00 G+2 15.2 Dispensary & Utility B4 0.0 c. Shopping 0 780.97 780.97 0 0 3000.00 3,000.00 G+2 12.65 d. Club B5 0.0 0 520.65 520.65 0 0 2000 2,000.00 G+2 12.7

Commercial( Service B1 0.0 5200 5200.0 3 Apartment) 0 0 0 75000 75,000.00 3B+G+20 65.5

Total 19,267.2 17,445.65 21,246.91 23,068.46 72,766.13 57,640.49 4,06,984.36 4,22,110

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Some salient features of the project have changed since the application for ToR was submitted. A comparative account for the same is given as follows in Table 2.4.

Table 2.4: Revised details of the project Sr. No. Particulars Approved details in ToR Revised Final Details % of change

1 Total Plot Area 1,99,914.39sqm 0 1,99,914.39 sqm 0 2 Total Built up Area 6,00,911.02sqm -1,101.02 sqm 5,99,810 sqm -0.18 3 Total water requirement 2901 KLD 116 KLD 3017 KLD 4 4 Wastewater generation 2108 KLD -49 KLD 2059 KLD -2.32

5 STP capacity 2700 KLD, 350 KLD & 30 -380 KLD 2700 KLD -12.33 KLD 6 Treated water requirement 1273 KLD 188 KLD 1461 KLD 14.77

7 Treated water discharged to sewer 730 KLD 106 KLD during the 189 KLD during non-rainy 14.52 rainy season season and 836 KLD during rainy season 8 Total solid waste generated 8.747 TPD 0.414 TPD 9.161 TPD 4.73

9 Total Power Requirement 18,395 kW 15,109.39 kW 33,504.39 kW 82.13

10 Total Power Backup DG set of capacities (7 x 0 DG set of capacities (7 x 1250 0 1250 kVA+ 3 x 1010 kVA kVA+ 3 x 1010 kVA +2 x 750 +2 x 750 kVA+ 2 x 600 kVA+ 2 x 600 kVA + 1 x 810 kVA + 1 x 810 kVA) kVA) 11 No. of Rain water Harvestings pits 47 -10 37 -21.28 12 Parking proposed 6395 ECS -28 ECS 6367 ECS -0.43 13 Project Cost 2631 crores 0 2631 crores 0

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

2.2 POPULATION During construction phase, approximately 500 workers will be employed for construction purpose for whom there will be arrangements of labour hutments. After the redevelopment; the total population of the proposed project is envisaged to be 19,644 which includes the permanent and floating population. The detailed population breakup is shown in theTable 2.5.

Table 2.5: Population Break-up Sr. No. Particulars Basis Density Population

1 Type 2 1240 dwelling units 5 6200 2 Type 3 1488 dwelling units 5 7440 3 Type 4 252 dwelling units 7 1764 4 Service Apartments 227 dwelling units 7 1589

10% of (1+2+3) 5 Visitors -- 1540 -- 5% of (1+2) 5 Staff 682

Shopping Complex 6 (Staff Only) 7500 sqm 63 Community Center 7 (Staff Only) 2500 sqm 21

5% of 1/6th of FAR Utility Shopping & Shopping Complex 8 (Staff Only) 3000 sqm 25 Club 9 (Staff Only) 2000 sqm 16

10 Transit Hostel 4075.64 sqm 34

11 School -- 250

12 Temple -- 20 Total 19644

Hence, the permanent population of the proposed project will be 16,993 individuals and expected floating population will be 2651 individuals.

2.3 WATER REQUIREMENT 2.3.1 Water Requirement: Construction Phase The water requirement during the construction phase comprises mainly of two parts i.e. fresh water for labourers and treated wastewater for building constructions. It is Environment Aplinka Solutions & Technologies Pvt. Ltd, Noida Uttar Pradesh 2-9 Consultant

Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

estimated approx. 3.5 KLD of fresh water will be required for drinking purpose which will be metthrough water tankers.The water which will be required for construction purpose will be outsourced from private water tanker (treated wastewater from CSTP).

Operation Phase It is estimated that the domestic water demand after the redevelopment will be 3017KLDwhich comprises of fresh water requirement of 1556 KLD and treated wastewater requirement of approx. 1461KLD.Detailed water requirement is given in Table 2.6.

Table Error! No text of specified style in document..6: Water Requirement Rate of Total Fresh Treated Wastewater Sr. Area Total water water Description Water Water generation No. (m2) Occupancy demand requirem (KLD) (KLD) (KLD) (lpcd) ent (KLD) Residential 16993 135 1 -- 1529.45 764.84 2294.06 1988.40 Population Hostel 34 135 2 -- 3.06 1.53 4.59 3.98 Residents 3 School -- 250 45 3.75 7.50 11.25 10.50 4 Visitors -- 1560 15 7.80 15.60 23.40 21.84 5 Staff -- 807 45 12.11 24.21 36.32 33.90

Total Domestic Water Requirement (1+2+3+4+5) 1556.17 813.68 2369.61 2058.61

Horticulture 5.5 6 and 117,630.92 -- lit/m 0 646.97 646.97 0 Landscape 2 1556.17 1460.65 3016.58 2058.61 Total Water Requirement (1+2+3+4+5+6) ~1556 ~1461 ~3017 ~2059 Source:(i) Manual on norms and standards for environment clearance of large construction projects, Ministry of Environment and Forests, Government of India (iii) National Building Code of India, 2005

2.3.2 Wastewater Treatment & Disposal Construction Phase There will be necessary arrangements for the septic tanks for the wastewater generated from mobile toilets provided within the project site. Operation Phase During the operational phase; approximately 2059KLD of wastewater will be generated from the project which will be treated in the MBBR based Sewage Treatment Plant ofcapacity 3 x 900 KLD.It is expected that approximately 1650 KLD of treated wastewater will be recovered from the STP. All the treated wastewater recovered from the STP will be utilized in flushing, landscaping, and surplus treated wastewater will be discharged to municipal sewer.

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

The fresh water requirement, treated water requirement and total water requirement will vary according to the seasonal demands

One Time Requirement(3017) KLD

Fresh Water Treated Water (1556 KLD) (1461 KLD)

Horticulture Flushing (814 Wastewater(1 (647 KLD) KLD) 245 KLD) @ 80 %

Nil Wastewater(814 KLD) @ 100%

Total Wastewater (2059 KLD)

STP Capacity(3 x 900 KLD)

1461 KLD STP Treated Water(1650 KLD) @ 80%

Excess STP treated water (189 KLD) discharged to municipal sewer

Figure 2.3: Water Balance Diagram (Summer Season)

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

One Time Requirement (2370 KLD)

Treated Water Fresh Water (1556 KLD) (814 KLD)

Flushing (814 Horticultur

Wastewater( KLD) e (0 KLD) 1245 KLD) @ 80 %

Nil Wastewater(814 KLD) @ 100%

Total Wastewater (2059 KLD)

STP Capacity(3 x 900 KLD)

814 KLD

STP Treated

Water(1650 KLD) @

80%

Excess STP treated water (836 KLD) discharged to municipal sewer

Figure 2.4: Water Balance Diagram (Rainy Season)

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

2.3.3 Sewage Treatment Plant An external sewage network shall collect the sewage from all units, and flow by gravity to the proposed sewage treatment plant. Following are the benefits of providing the Sewage Treatment Plant in the present circumstances:  Reduced net daily water requirements, source for Horticultural purposes by utilization of the treated waste water. This shall consequently lead to a lower withdrawal from the underground aquifer water sources.  Reduced dependence on the public utilities for water supply and sewerage systems.  Sludge generated from the Sewage Treatment Plant shall be rich in organic content and an excellent fertilizer for horticultural purposes. Desired treated waste water characteristics for BOD and suspended solids levels shall be as per CPCB norms. The characteristics of treated water shall depend on the quality of raw water of the system.

a. Daily Load : 2059KLD b. Duration of Flow to STP : 24 hours c. Temperature : Maximum 320C

Table -2.7: Influent Properties S.No. Parameter Quality of Inlet Wastewater 1 pH 6.5 – 8.5 2 BOD5 Upto 500 mg/L 3 COD Upto 750 mg/L 4 Suspended Solids Upto 250 mg/L 5 Oil & Grease Upto50 mg/L

Table -2.8: Desired Quality of Treated Water after Ultra Filtration S.No. Parameter Quality of Outlet Wastewater 1 pH 6.0 – 8.5 2 BOD5 Less than 5 mg/L 3 COD Less than 20 mg/L 4 Suspended Solids Less than 50 mg/L 5 Oil & Grease below the detectable limit

Treatment scheme includes the collection of sewage by gravity into collection –cum- equalization tank. The pre tank, Disinfection in Chlorine contact tank by using Chlorine Dosing System, Polishing by Multi-grade Sand Filter and Activated Carbon Filter or by Ultra Filtration, removal of water hardness through softener and disposal of sludge through tankers or other suitable means like Sludge Drying Beds or Filter Press. Treatment of kitchen wastewater will be done by using grease interceptor for oil & grease segregation. Sewage lifting & transfer to aeration tank by submersible type pumps. The Biological Oxidation of waste water by Extended Aeration process using diffused aeration system and Secondary clarification in secondary settling.

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

TREATMENT REQUIREMENTS 1. Removal of Suspended Solids 2. Oil Separation 3. Reduction of organic content: BOD & COD

TREATMENT METHOD a. Biological

PROCESS ENVISAGED The objective of the treatment is envisaged to be met with Biological Treatment to attain a high degree of efficacy. Sewage Waste Water Treatment units are designed keeping in view of the operational problems faced by the conventional waste system. These units are an ideal solution to the treatment of waste water in:-  Group Housing  Hotels  Health Resorts  Hostels  Restaurants  Auditorium  Hospitals  Industries

Dual Plumbing There will be a dual plumbing system for use of water for different applications thus saving on the quantity of fresh water. Installation of dual plumbing for using recycled water will save the ground water extraction. There will be two pipe lines, one supplying freshwater for drinking, cooking etc. And other for supply of recycled water for flushing, landscape irrigation, etc. this results in saving of fresh water demand and life of existing sewerage will be improved.

Collection of sewage The sewage generated shall be collected by gravity in the collection cum equalization tank located below the ground. Kitchen wastewater shall be put into general waste after passing through the grease interceptor. Air piping shall be provided in this tank for the mixing of sewage & to avoid anoxic conditions & the sedimentation of suspended impurities.

MOVING BED BIO REACTOR BIO REACTOR The Bio Reactor is based on the Fluidized Random Aerobic Reactor which combines the advantage of Activated Sludge Plant with the Random distribution systems such as Bio filters. With capacities that could be as low as 1/10th of ASP and fractional power consumption, such a reactor is ideal for the efficient removal of BOD and organics from the wastewater. The tanks are packed with RIGID PP-UV-sterilized Gas Fluted Media with

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BACTERIAL GROWTH Bacteria grow rapidly in the Bio-Pac unit under properly engineered conditions. They consume organic chemical for their growth and remove them from the wastewater. The bacteria converts’ chemical into biological cells, which under proper growth conditions, form slims. The slims adhere to available surfaces and accumulate into what we call random biological film or fixed film. The high surface area-to-volume ratio of the units allows for accumulation of substantial concentration of bacteria in the relatively small reactor units. Further, the accumulated bacteria which provides high rates of removal or organic chemicals are fixed in the system and do not need to be recycled back to the basin. In the Bio Reactor system the water is constantly flowing through rigid PVC matrix to which the biological film attached. As the water flows past the biological film, bacteria in the film absorb organic chemicals as well as oxygen, nitrogen, phosphorus, and other trace nutrients required for their growth.

As the bacteria grow on the matrix and as more chemicals are added to the unit, the stationary biological film will continue to build in thickness. As the film becomes thicker the depth of penetration by diffusion of the absorbed material such as oxygen or other nutrients is not sufficient to reach the entire distance through the slime of the plastic media. At some point, the film will become sufficiently thick and portion of the film closest to the plastic media will not receive any food or nutrient, particularly oxygen. The inner layer of the film becomes anaerobic and the organisms lose their ability to adhere to the media surface. The shear forces of the water and/or air bubbles flowing through the matrix will ultimately become great enough to tear this portion of the biological film loose from the media. This process is called sloughing. The solids which slough from the media will flow out of the system with the effluents and are to be removed from the water through clarification in a settling module. The exposed portion of media surface will repeat the process of slime accumulation and sloughing. In actual operation of the Bio Reactor units, biological film will be in a state of dynamic, continuous growth and sloughing. At any given time, portion of the media are always at some point between forming a new film sloughing.

WORKING PRINCIPAL The MBBR works on the same principle as the submerged fixed film process with only one exception - the media is not fixed and floats around in the aeration tank. The main advantage of this system over the submerged fixed film process is that it prevents choking of the media. This also avoids sludge recirculation. Compared to conventional technologies the MBBR is compact, energy efficient and user friendly. It also allows flexibility in design of the reactor tank.

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

EFFLUENT QUALITY The effluent discharged from the Bio Reactor system will contain sloughed biological solids, but would be relatively free of soluble organic chemicals. The quantity of biological solids in the effluent will depend substantially on the quantity of suspended solids and the concentration of soluble BOD entering the system. It is therefore necessary to provide means of separating the biological mass from the effluent. PACKAGE UNIT contains TUBE SETLLERS for sedimentation and 60 Gross fluted Rigid PVC fill media for the FAB units to treat the wastewater for discharge into the receiving waters and/or the sanitary sewers as per the local regulations. The media thickness changes with the design parameters/depth of the unit and can vary from 0.25 to 0.40mm thickness.

CLARIFIER (TUBE SETTLER) The equalized and chemically treated effluent is pumped to this tank. This is a rectangular hopper bottom tank. The purpose of clarifier is to separate the dispersed and colloidal impurities by way of flocculation, coagulation and settling.The clarified supernatant overflows to the treated water storage tank and the sludge being heavier is drawn on towards the lagging end for further dewatering and disposal.

CLEAR WATER TANK In this tank, clear water is subjected to tertiary treatment for further polishing of effluent.

FILTRATION AND ADSORPTION COLUMN The clear effluent from the above tank is passed through Multigrade Filter Column & Activated Carbon Filter which serves the purpose of filtration as for undesirable suspended impurities as well as adsorb maximum dissolved impurities and color by activated carbon particles.

ULTRAFILTERATION After Multigrade Filter Column & Activated Carbon Filter water moves through Ultrafilteration process which removes particulates and macromolecules from raw water, to produce potable water.

ULTRA VILOLET RADIATION TREATMENT Ultra violet radiation treatment works by exposing microorganisms. It disrupts the DNA of microorganisms and disables their ability to replicate i.e. it restricts the growth of microorganisms.

2.4 RAIN WATER HARVESTING The rainwater harvesting will help in raising the ground water table. As such, the Ground water extraction is not envisaged for this project. The roof top rainwater harvesting through recharge pit process will be used for the recharge of the water at the project site. The quantity of annual harvested rainfall at the project site consideringevaporation, spillage and first flush wastage at present is

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

52,451.184cum. Annual rainfall has been considered as 0.79 mm for designing of rainwater harvesting pit. 37 rain water harvesting pits of avg throughput 250 mm dia pits are proposed to be installed.

Mesh will be provided at the roof so that leaves or any other solid waste/debris will be prevented from entering the pit. Rainwater from roofs will be taken to collection/desilting chambers located on ground. These collection chambers are interconnected to the filter pit through pipes. The filter pit will be circular in shape and will be back-filled with graded material, boulder at the bottom, gravel in the middle and sand at the top. The final disposal of storm/rain water shall be in multiple recharge / rain harvesting pits to recharge the ground water. The water collected will be used for replenishing the ground water aquifers and creating surface storages for utilization in non-rainy season (Table 2.9).

Table 2.9: Annual Recharge Potential (After Construction) Description Area (m2) Run-off Yearly Volume of Water of Area Factor Rainfall (m) Available for Sl. No. Rain Water Harvesting Yearly (m3)

1 Roof top 21,753.12 0.8 0.79 13,747.972 2 Paved 60091 0.7 0.79 33230.323 3 Green 1,17,630.92 0.2 0.79 18,585.685 Annual Recharge Capacity 65,563.9802 Considering evaporation, spillage and first flush wastage, only 80 % of water 52,451.184 is actually available for rain water harvesting

Table 2.10: Rain Water Harvesting Pits Calculations

Peak rainfall Rain water Coefficient intensity during Type of Area Area harvesting of run-off one hour of rainfall potential/hour (in m)

Roof-top area 23,068.46 0.8 0.05 922.738 Paved Area 60,091 0.7 0.05 2103.185 Total 3,025.923 Total storm water load on the site with 1 hr retention is =3025.923 m3/hr

Average throughput for 250 mm dia harvesting borewell 82.98 cum/hr 3025.923/82.98 Hence no. of pits required = Total storm water load / Volume of a RWH pit =36.47~37 pits

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

Rainwater harvesting pits shall be provided taking into consideration the net total plot area. All the drains are underground and covered or open drain channel with gratings. 2.5 PARKING CALCULATIONS Adequate provision for car parking will be made at the project site. There will be also an adequate parking provision for visitors so as not to disturb the traffic and allow smooth movement at the site. The parking requirement as per the MoEF&CC norms are shown in Table 2.11 respectively while the parking proposed is shown in Table 2.12.

A. Required Parking:

Table 2.11: MoEF&CC Parking Requirement As Per MoEF&CC Norms Particular Area(m2) Density ECS Residential Facilities 3,66,060 2 ECS / 100 m2 FAR 7,321.2 Community Center & 56,050 3ECS/ 100 m2 FAR 1,681.5 Commercial facilities Parking Required (ECS) 9,002.7~9003

B. Parking Proposed: Table 2.12: Parking Provided Area for Surface Parking 23,518.1 m2 Area required for 1ECS in Surface Parking 23 (A) Parking provided in surface 1023 ECS Area for Parking in Basement 171016.43 m2 Area required for 1ECS for Parking in Basement 32 (B) Parking Provided in Basement 5344 ECS Total Parking (A+B+C) 6367 ECS

2.6 GREENBELT DEVELOPMENT Operational Phase: An area of 1, 17,630.92m2 will be provided for the landscape development which includes ornamental trees and shrubs. At present; 1361 trees & 326 saplings are present at the project site which will be cut in phase wise manner with the prior permission. Excluding sapling, 220 trees will be cut in Phase-I. Apart from that about 283 trees & saplings will be saved from cutting in phase one. About 29 tree species of 15 families will be cut in the first phase. The details of tree proposed to be cut in phase - 1 are as follows. Table 2.13: List of tree cutting in first phase S/n Binomial Name Common Family Number of tree Name to be cut in phase-1 1 Aegle marmelos, (L.) Corrêa Balepatra Rutaceae 1 2 Alstonia scholaris (L.) R.Br. Devil tree Apocynaceae 42 3 Azadirachta indica A.Juss., Neem Meliaceae 18 4 Bauhinia variegata (L.) Benth. Kachnar Fabaceae 8 5 Bombax ceiba L. Semal Malvaceae 3 Environment Aplinka Solutions & Technologies Pvt. Ltd, Noida Uttar Pradesh 2-18 Consultant

Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

S/n Binomial Name Common Family Number of tree Name to be cut in phase-1 6 Cassia fistula L. Amaltas Fabaceae 7 7 Cordia dichotoma G.Forst. Lasora tree Boraginaceae 9 8 Dalbergia sissoo Roxb. Sisham Fabaceae 3 9 Ficus benghalensis L. Bargad Moraceae 1 10 Ficus religiosa L. Pipal tree Moraceae 23 11 Ficus virens Aiton Pilkhan Moraceae 12 12 Grevillea robusta A.Cunn. ex R.Br. Silver Oak Proteaceae 1 13 Holoptelea integrifolia Planch Papri Ulmaceae 17 14 Hyophorbe lagenicaulis Bottal Palm Arecaceae 5 (L.H.Bailey) H.E.Moore 15 Kigelia africana (Lam.) Benth. Balam Kheera Bignoniaceae 2 16 Leucaena leucocephala (Lam.) de Subabool Fabaceae 8 Wit 17 Melia azedarach L. Bakain Meliaceae 5 18 Moringa oleifera Lam. Sehjana Moringaceae 3 19 Morus alba L. Shahtoot Moraceae 11 20 Murraya koenigii (L.) Sprengel Kadi Patta Rutaceae 2

21 Nerium oleander L. Kaner Apocynaceae 5 22 Phoenix dactylifera L. Date Palm Arecaceae 10 23 Plumeria rubra L. Champa Apocynaceae 6 24 Psidium guajava L. Amrud Myrtaceae 2 25 Punica granatum L. Anar Lythraceae 1 26 Saraca asoca (Roxb.) Willd.[1] Ashok Fabaceae 12 27 Syzygium cumini (L.) Skeels. Jamun Myrtaceae 1 28 Tabernaemontana divaricata Chandni Apocynaceae 1 R.Br. ex Roem. & Schult. 29 Terminalia bellirica (Gaertn.) Bahada Combretaceae 1 Roxb. Total Tree cutting in phase -1 220 Source: Sikka Associates

It is proposed to plant additional 12,000 trees after the redevelopment of the proposed project.

Greenbelt Development: The following plants species are suggested for plantation is as given in Table 2.14 & Table 2.15.

Table 2.14: Trees for Greenbelt Development

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

Sr. No. Botanical Name Quantity Calipar (mm) Type of Branching 1 Plumaria alba 1100 40-50 Multi Branching 2 Plumeria obtusa forma 450 40-50 Multi Branching “Bicolor” 3 Solanum macranthum 500 30-40 Multi Branching 4 Mimusops elengi 256 15 Multi Branching 5 Nyctanthes arbor-tristis 450 25 Multi Branching 6 Plumeria rubra 670 40-50 Multi Branching 7 Plumeria obtusa 750 40-50 Multi Branching 8 Ficus lyrata 500 60 Multi Branching 9 Phyllanthus emblica 525 25 Multi Branching 10 Wodyetia bifurcata 84 45 Multi Branching 11 Lagerstromia indica 1205 60 Multi Branching 12 Grevillea robusta 631 60 Multi Branching 13 Saraca asoca 640 25 Multi Branching 14 Phoenix dactylifera 84 45 Multi Branching 15 Terminalia mantaly 1027 25 Multi Branching 16 Terminalia arjuna 350 25 Multi Branching 17 Albizia lebbeck 340 25 Multi Branching 18 Jacaranda mimosifolia 185 40 Multi Branching 19 Anthocephalus cadamba 100 60 Multi Branching 20 Bauhinia variegata 200 60 Multi Branching 21 Cassia fistula 280 40 Multi Branching 22 Callistemon lanceolatus 375 25 Multi Branching 23 Cordia dichotoma 295 15 Multi Branching 24 Ficus palmata 590 25 Multi Branching 25 Ficus racemosa 100 25 Multi Branching 26 Ficus virens 395 25 Multi Branching 27 Lagerstroemia 100 15 Multi Branching flosreginae 28 Manilkara hexandra 100 25 Multi Branching 29 Madhuca latifolia 100 25 Multi Branching 30 Pterospermum 105 15 Multi Branching acerifolium 31 Putranjiva roxburghii 110 15 Multi Branching 32 Salvadora persica 305 25 Multi Branching 33 Schleichera oleeosa 115 25 Multi Branching 34 Tabebuia argentea 115 30-40 Multi Branching 35 Tecomella undulata 295 30-40 Multi Branching 12000 Source: Sikka Associates Table 2.15: Shrubs for Greenbelt Development S.No. Botanical Name Quantity C/c (in m) Effect

A Shrubs 1 Gigantae 3450 0.6 Box Hedge 2 Yucca aloifolia 4960 0.45 Box Hedge 3 Aloe vera 5130 0.4 Box Hedge 4 Agave americana 3250 0.4 Box Hedge 5 Lantana depressa 6580 0.4 Box Hedge 6 Juniperus prostrata 5150 0.4 Box Hedge

Environment Aplinka Solutions & Technologies Pvt. Ltd, Noida Uttar Pradesh 2-20 Consultant

Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

S.No. Botanical Name Quantity C/c (in m) Effect

7 Lantana camara 4875 0.4 Box Hedge 8 Ficus longisland 4200 0.4 Box Hedge 9 Eranthemum nigrum 5875 0.45 Box Hedge 10 Ficus panda 4590 0.45 Box Hedge 11 Cherodendrum enermi 6570 0.6 Box Hedge 12 Sanchizia nobilis 4285 0.75 Box Hedge 13 Galphimia glauca 5530 0.45 Box Hedge 14 Plumbago capensis 4150 0.45 Box Hedge 15 Hamelia patens 7375 0.45 Box Hedge 16 Duranta goldlana 6520 0.3 Box Hedge 17 Russella juncea 4500 0.3 Box Hedge 18 Tabermaemontana coronariavarlegata 5650 0.6 Box Hedge 19 Hibiscus snowflakes 6870 0.6 Box Hedge 20 Sensevieria trifasciata 3225 0.3 Box Hedge 21 Hymenocalis littoralis 4750 0.6 Box Hedge 22 Canna india Red 5415 0.75 Box Hedge 23 Canna india Yellow 5075 0.75 Box Hedge 24 Pennisetum setaceum rubram 6575 0.6 Box Hedge 25 Pennisetum alba 4535 0.6 Box Hedge 26 Alplnla speciosa 4890 0.45 Box Hedge 27 Areca lutescens 6375 0.45 Box Hedge 28 Rhapis excelsa 5285 0.60 Box Hedge B. Ground Covers 1 Pllea muscosa 45880 0.3 Carpet Effect 2 Wedelia trilobata 65880 0.3 Carpet Effect 3 Iresine herbstii 73560 0.3 Carpet Effect 4 Rhoeo spathacea 41450 0.3 Carpet Effect 5 Kalachoe blossfeldlana 59675 0.3 Carpet Effect Source: Sikka Associates

2.7 POWER SUPPLY The power supply is supplied by BSES Rajdhani Power Limited. After the redevelopment, the power requirement will be 33,504.39 KW with the DG power back up of 5 Nos. x 1250 KVA (for Residential), 2 Nos. x 1250 KVA, 3 Nos. x 1010 KVA, 2 Nos. x 750 KVA, 2 Nos. x 600 KVA & 1 Nos. x 810 KVA (for Commercial & Social Infrastructure). The power supply is supplied by BSES Rajdhani Power Limited. The demand load for the project after the redevelopment isestimated to be 33,504.39 KW considering the 80 % diversity factor. The DG sets will be equipped with acoustic enclosure to minimize noise generation and adequate stack height for proper dispersion.

Table 2.16: Power Requirement Operation Phase

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

Parameters Operation Phase

Power requirement 33504.39 KW

Supply by BSES Rajdhani Power Limited 5 Nos. x 1250 KVA (for Residential), 2 Nos. x 1250 KVA, 3 Nos. x Back-up power supply 1010 KVA, 2 Nos. x 750 KVA, 2 Nos. x 600 KVA & 1 Nos. x 810 KVA (for Commercial & Social Infrastructure)

2.8 SOLID WASTE MANAGEMENT Solid waste will be generated both during the construction as well as during the operation phase. The solid waste expected to be generated during the construction phase will comprise excavated materials, used bags, bricks, concrete, MS rods, tiles, wood etc. The following steps are proposed to be followed for the management of solid waste:

• Construction yards will be proposed for storage of construction materials.

• The excavated material such as topsoil and stones will be stacked for reuse during later stages of construction.

• Excavated top soil will be stored in temporary constructed soil bank and will be reused for landscaping.

• Remaining soil shall be utilized for refilling / road work / rising of site level at locations etc.

The solid waste management scheme during the construction phase is shown in Figure 2.4. Solid Waste

Construction Waste

Construction Empty Excavated waste, Cement Bags Soil Broken Bricks, Waste Plaster

Road Top soil conserved Used in re-filling, Making for landscaping, raising site level balance used in refilling

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

Figure 2.5: Solid Waste Management Scheme (Construction Phase)

During the operation phase, waste will comprise domestic as well as horticultural waste. The solid waste generated from the project shall be mainly domestic waste and estimated quantity of the waste shall be approx. 9154kg per day (@0.50kg per capita per day for residents, @0.15 kg per capita per day for the visitor, @0.25 kg per capita per day for the staff and landscape wastes @ 0.2 kg/acre/day).

Table 2.17: Solid Waste Estimation Waste SI. No. Description Basis Kg per capita per day Generated (kg/day) Residential 1 16993 individuals 0.5 8496.5 Population 2 Hostel Residents 34 individuals 0.5 17 3 School 250 individuals 0.15 37.5 4 Visitors 1560 individuals 0.15 234 5 Staff 807 individuals 0.25 201.75 Horticultural Waste 29.06 acres @ 0.2 kg/acre/day 5.812 (A) Domestic Solid Waste Generation 8992.56 (B) Sludge Waste from STP 168 Total Waste Generation (A+B) = 9160.56 ~9161 kg/day (Source: For Waste Collection, Chapter 3, Table 3.6, Page no. 49, Central Public HealthEnvironment Engineering Organization, Ministry of Urban Development, (Government of India, May 2000)

Following arrangements will be made at the site in accordance to Solid Wastes Management Rules, 2016.  Collection and Segregation of waste 1. A collection system will be provided for collection of waste in colored bins for separate blocks 2. The local vendors will be hired to provide separate colored bins for dry recyclables and Bio-Degradable waste. 3. Adequate number of colored bins (Green and Blue & dark grey bins– separate for Bio-degradable,Non-Bio-degradable& inert waste) will be provided at the suitable locations of the project site. 4. Litter bin will also be provided in open areas like parks etc.  Treatment of waste  Bio-Degradable wastes 1. Bio-degradable waste will be treated in the organic waste convertor. 2. Horticultural Waste is proposed to be composted and will be used for gardening purposes.

Recyclable wastes- Recyclable wastes like paper, plastic, metals etc. will be sold off to recyclables.

E-Wastes

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

It is expected that approx. 14.45 ton of e-waste will be generated on an annual basis; once the project becomes operational. The disposal of E-waste would be done by E-waste recycler, authorized by the SPCB forcollection, segregation, recycle and disposal of E- wastes. The E-waste generated will bemanaged as per the E-waste (Management) Rules 2016.

Hazardous Waste: The proposed project is expected to generate following categories of hazardous wastes: • Used Oil (Category 5.1, as per Schedule-1 of the Rules) - from DG sets • Oil Contaminated Wastes (Category 5.2, Schedule-1) - from cleaning of DG sets,maintenance operations, etc.  Waste from the Chemical Engineering Deptt.  Household hazardous waste as tubelights, thermometers, paint cans etc. shall be handed over separately to the garbage collectors for disposal.

The Hazardous waste generated will be managed as per the Hazardous and Other Wastes (Management and Trans-boundary Movement) Rules, 2016.

Bio-Medical Waste: There is a medical facility in the project to cater the first aid facilities for the students, faculties and staff. The wastes will be pre-treated as per NACO/WHO guidelines and handed over CBWTF (Common Bio-Medical Waste Treatment and Disposal Facility) through an authorized agency. All the requirements of the Bio-medical Waste Management Rules, 2018 will be followed.

 Disposal Recyclable and non-recyclable wastes will be disposed through Govt. approved agency. Hence, the Municipal Solid Waste Management will be conducted as per the guidelines of Solid Wastes Management Rules, 2016. A Solid waste management Scheme is depicted in the following Figure 2.5 for the project.

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DOOR TO DOOR COLLECTION

Project Name Environment Clearance for Redevelopment of Residential Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

Figure 2.6: Solid Waste Management Scheme (Operation Phase)

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

2.9 CONSTRUCTION MATERIAL Only locally available construction material such as cement, stone aggregate, sand, fly ash, bricks, and glass will be used to construct the expansion part of the institute. Activities such as mining, screening, stone crushing or quarying are not proposed within the project site; hence respective impacts are not envisaged. Wind Velocity, Seismicity, Rainfall of Region, has been taken in consideration during designing. Only IS approved building materials will be used for construction. Construction materials have been selected based on their thermal and combustible characteristic. All the items to be used in the project will be as per the national building code specification. If the building materials with high-embodied energy are locally available, it will be used in construction. Table 2.18: Perimeter Heat Gain Thermal conductivity of Roof (exposed to sun) U=0.12 Btu/Hr.oF.sqft 0.68 W/m²K thermal insulation (Others Scope) Thermal conductivity of Exterior Wall (9” thick U= 0.37 Btu/Hr.oF.sqft 2.10 W/m²K hollow brick) Thermal conductivity of Glass: U (Double Glazing) U=0.58 Btu/Hr.oF.sqft U=0.58 Btu/Hr.oF.sqft SHGC value of Glass 0.30

 The major materials required for construction of the project will be steel, cement, bricks, metal, stones, electrical fittings, water, etc.  All the items to be used in the project will be as per the national building code specification. If the building materials with high-embodied energy are locally available, it will be used in construction.  Transportation of construction material will be done only in PUC certified vehicles.  All the transported material like sand, soil etc. will be covered.  Excavated soil will be stored and covered separately and later on will be used for landscaping purpose.

2.10 ENERGY CONSERVATION MEASURES The following energy conservation plan & measures will be implemented:

Energy Conservation Measures & Management Plan:  Passive Solar designs refer to the use of Sun’s energy for the heating and cooling of living spaces.  There is a provision of installation of solar panels of capacity 1200 kW which will be installed over the roof-top area of 12,000 sqm; which is approx. 3.59% of the total power requirement.  Additionally, there will be installation of 340 solar panels which will cater to the 20% hot water requirement of the 50% of the permanent population.  The orientation of the building will be done in such a way that maximum daylight is available.

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

 The orientation of the building would be done in such a manner that most of glazed areas in north and east.  Lesser opening will be provided on the west facing walls.  Landscape and greens areas will be so spaced so as to cool the surrounding environment, which will reduce energy consumption.  Green belt in the site will be maintained by the project proponents, which would have an overall cooling effect on the surroundings.

Following measures have been proposed to reduce energy consumption for Electrical installations: In the operational phase, appropriate energy conservation measures and management plan will be adopted in order to minimize the consumptions of non-renewable fuel. The following measures are suggested to be adopted:  Use of LED instead of GLS lamps for Common Areas.  Solar water heater arrangements for hostels.  Solar PV plant will be to installed and further generation on RESCO model.  Achievement of U value of external envelope for air conditioned building as per perspective requirement of ECBC.

2.11 FIRE FIGHTING SYSTEM The design and planning of Fire Protection System shall be done keeping in view the following criteria: • National Building Codes of India – Part IV • National Fire Protection Association (NFPA) • Rules of Insurance Company & TAC Manual (for reference and guideline).

System Description Fire water storage Static fire water storage tank for Fire Protection System will be provided

Fire pumping system The fire pumping system shall comprise of independent electrical pumps for hydrant and sprinkler system, diesel engine driven pump & jockey pump for hydrant & sprinkler system.

Fire hydrant system Internal and external standpipe fire hydrant system shall be provided with landing valve, hose reel, first aid hose reels, complete with instantaneous pattern short gunmetal pipe in the project. The outlet shall be of instant spring lock type gunmetal ferrule coupling for connecting to hose pipe. Provision of flow switch on riser shall be made for effective zone monitoring.External hydrant shall be located within 2 m to 15 m from the building to be protected such that they are accessible and may not be damaged by vehicle movement.

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Environment Clearance for Redevelopment of Residential Project Name Colony of AIIMS Project Proponent All India Institute of Medical Sciences EIA Project Address Ayur Vigyan Nagar, New Delhi

System The sprinkler system shall be provided with control valves, flow and tamper switches at suitable location and shall be connected to control module of the fire alarm system for its monitoring and annunciation in case of activation. Wet pipe sprinkler shall be provided for all habitable spaces such as guest rooms, guest room corridors, restaurants, ball rooms/ meeting rooms and other public areas. Sprinkler shall also be provided in all public toilets. Clean agent fire protection system Clean agent suppression system shall be provided for EPABX & Server Rooms. The system shall comprise of the FM 200 / NAF S III gas module containing required quantity of gas which shall be released when the actuator output is enabled by the fire alarm panel. As per the design concentration, release of the gas shall be within 15 seconds time elapsed from the actuation to put out the fire. The room shall be ventilated completely after the release of FM 200 gas/ NAF S III gas, before personnel can enter and work in the area.

CO2 Extinguishing system Trolley mounted carbon-di-oxide extinguishing system shall be provided in accordance with local Bye-Laws for transformer room, LT panel room and other critical areas. Hand held fire extinguishers Portable fire extinguishers of water (gas pressure), Carbon-di-oxide and foam type shall be provided as first aid fire extinguishing appliances. These extinguishers shall be suitably distributed in the entire public as well as service areas.

2.12 MANPOWER REQUIREMENT Proper provisions for sanitary facilities have been provided to construction laborers through community level toilets and treatment is done using septic tank. Fresh water for drinking purpose is being provided and good hygienic conditions are being maintained with all the necessary medical facilities. Following Acts (as applicable under Labour Laws) will be followed:  Contract Labour (Regulation and Abolition) Act 1970.  Minimum Wages Act, 1948.  Interstate migrant workmen (Regulation of Employment and Condition of Services) Act 1979.  The Building and Other Construction workers (Regulation and Employment of Service) Act 1996.  The Building and Other Construction workers Welfare CESS Act 1996.  Employee's State Insurance Corporation Act 1948.

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