For PROPOSED PERMANANET CAMPUS OF “IIT DHARWAD” [INSTITUTIONAL PROJECT]
AT VILLAGE- KELAGIRI, CHIKKAMALLIGEWAD, DHARWAD
DEVELOPED BY M/s INDIAN INSTITUTE OF TECHNOLOGY,
DHARWAD, KARNATAKA
Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Contents Introduction ...... 4 General ...... 4 Project Location and Connectivity ...... 4 Land Environment ...... 7 Topography ...... 7 Area Details ...... 8 Building Components of site ...... 8 Population Density ...... 11 During the Construction Phase ...... 11 During Operational Phase ...... 11 Water Environment ...... 12 Hydrology ...... 12 Drainage ...... 14 Freshwater demand and source ...... 16 Construction Phase...... 16 Operational Phase ...... 17 During Construction Phase ...... 19 During Operational Phase ...... 19 Parking Details...... 24 Rainwater Harvesting and Storm Water Drain ...... 24 Need for Rainwater Harvesting ...... 24 Power Requirement ...... 26 Energy Conservation Measures ...... 27 Solid Waste Generation ...... 29 During Operational Phase ...... 29 Collection and Segregation of waste ...... 30 Treatment of Waste ...... 31 Organic Waste Converter ...... 31 Technique for disposal of biodegradable waste ...... 31 Disposal ...... 33
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Landscape details ...... 34 List of building materials being used at site ...... 36 List of Machinery Used During Construction ...... 37
Figure 1-Project location showing site coordinates ...... 5 Figure 2- site and Its surroundings ...... 6 Figure 3- Hydrology map of District Dharwad Dikstrict ...... 14 Figure 4- Drainage Map of Dharwad District ...... 16 Figure 5- Water balance diagram ...... 19 Figure 6-Process and Instrumentation of STP technology ...... 23 Figure 7-Waste Management-Construction Phase ...... 29 Figure 8-Organic Waste Convertor ...... 33 Figure 9: Solid Waste Management Scheme -Domestic Waste ...... 34
Table 1-Geographical co-ordinates of the site ...... 4 Table 2- Building Components of all the phases ...... 8 Table 3- Area Details ...... 11 Table 4-Population details for proposed area ...... 12 Table 5-water demand during construction phase ...... 17 Table 6-water conservation measure ...... 17 Table 7-Water demand for the operational phase ...... 18 Table 8- Wastewater calculation with respect to STP ...... 18 Table 9- Summary of recycled and reused water ...... 18 Table 10-Wastewater Details ...... 20 Table 11- Total Parking Proposed ...... 24 Table 12-Calculation for Storm water load ...... 26 Table 13-Electrical Load Details ...... 26 Table 14-Energy Conservation by Solar PV ...... 28 Table 15: Calculation of Solid Waste Generation ...... 30 Table 16-Optimum condition for composting ...... 32 Table 17-Characterstic of Final Compost ...... 32 Table 18-Landscape area details ...... 35 Table 19-List of Plantation Proposed ...... 36
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Introduction General As per EIA Notification, 2006 & its amendments, all building construction and area development projects comes under schedule 8 and are required to obtain prior environmental clearance from State Environmental Impact Assessment Authority (SEIAA)/MoEF&CC. For the category 8(b), application seeking prior environmental clearance shall be made in the prescribed Form 1 with proposed ToR annexed herewith and supplementary Form 1A and Conceptual Plan in SEIAA/MoEF&CC. The project shall be screened and scrutinized by respective SEAC/EAC. Following the appraisal of the project to the satisfaction of the SEAC/ SEIAA/MoEF&CC, Environmental Clearance shall be granted. Since, the total plot area of the project is greater than 50 hectares, it is categorized as 8(b) project, under the EIA Notification, 2006 and requires environmental clearance from the SEIAA, Karnataka. About project Indian Institute of Technology Dharwad (IIT Dharwad) is an autonomous premier engineering and technology university in Dharwad, India. The Indian Institute of Technology (IIT) at Dharwad started functioning from July 2016 in a temporary campus, previously of the Water and Land Management Institute (WALMI) in Belur village on the outskirts of Dharwad city. It was formally inaugurated on 28 August 2016. Project Location and Connectivity Site co-ordinates of the project site are as follow. Table 1-Geographical co-ordinates of the site S.No. Description Details 1. Corner-1 15°29'37.81"N, 74°56'46.22"E 2. Corner-2 15°29'10.44"N 74°57'4.28"E 3. Corner-3 15°28'54.64"N 74°56'30.28"E 4. Corner-4 15°28'44.79"N 74°56'9.85"E 5. Corner-5 15°28'42.44"N 74°55'38.13"E 6. Corner-6 15°29'8.55"N 74°55'46.31"E 7. Corner-7 15°29'24.59"N 74°56'18.34"E 8. Corner-8 (Centre ) 15°29'14.22"N 74°56'27.50"E
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Figure 1-Project location showing site coordinates
IIT Dharwad is located at the outskirts of the twin cities of Hubballi-Dharwad in the north of Karnataka. This site is located between the Western Ghats and the Deccan Planes. Proposed site is near to NH-4 and Kyarkop railway station railway station which is approx. 3.8 km from the site.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Figure 2- site and Its surroundings
Google map and topographical map showing site and surroundings within 500 mtrs, 10 km and 15 km are attached.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Annexure 1- Google map showing site and surroundings within 500 mtrs Annexure 2-Toposheet map showing site and surroundings within 10 and 15 km
Land Environment IIT Dharwad is initially functioning out of the campus of the Water and Land Management Institute (WALMI) in Dharwad near the Karnataka High Court Bench. A permanent building is coming up at Chikkamalligewad village. Around 500 acres belonging to KIADB near Mummigatti on the Pune-Bangalore National Highway off Dharwad was identified for the IIT campus, but that deal was cancelled due to legal hurdles. The new IITDH campus is located on the west side of the Dharwad city. The campus is bound by Kiadb land i.e. Presently, Tata motors land on north side, KHB- hiremalligawad layout on east side, Chickmalligawad village on south east side, Chickmalligawad agriculture land on south side and on the western side it is mostly taken by reserve forest (acacia-social forestry) and other agriculture land. Land is predominantly agricultural cultivated land Topography The site falls in Dharwad district of Karnataka. The central part of the district is marked by two parallel bands of ridges of dharwarian rocks. The western margin of district belongs to Sahyadri mountain system and the rest of the district is undulating plains. The western margin of the district is marked by the fractured features of sahyadris in the form of chains of low hills and scrap lands of isolated hogbacks and narrow meandering valleys. The hill ranges run north east to south west with bulging sides and a crest line of peaks and saddle. Geography The geological formation of Dharwad district is related to those of peninsular India. The geological formations of the region can be classified into pre-Cambrian Kaladgi series of Cuddaph age. Pre- Cambrian age, the Dharwad district represents the oldest rocks and comprises of schists, phyllites, argillite, felsites, hematite, quartzites and limestones, the schist and talc schist. Dark grey massive gritty, schists are best developed in valley running North West from narrow bands of hornblende schist are noticed mainly in the central and southern portions of the district, they are hard blocks and compact
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Area Details Site is having total plot area of 470 Acres. The construction shall take place in phased manners i.e. Phase IA, IB, Phase-2 & Phase 3. Campus is designed as per Karnataka Building bye Laws. The permissible Ground Coverage & FAR are 45% and 3 respectively. The maximum floor of buildings is to be up to G+11. Total built up area of the site is calculated approx. 14,51,346 m2
Building Components of site Table 2- Building Components of all the phases S.No. Building Type Unit Particulars No. of No. of Blocks Floors 1. Phase 1A Housing Type -3 2 G+11 [Residential] 2. Director Residence 1 G+1 3. Mess G+4 4. Boys & Girls Triple 2 G+8 Seater 5. Phase 1A Engineering Block G+6 [Academic] 6. Science Block G+6 7. Library & KRC LG+G+6 8. Admin. Building G+5 9. Centre Lecture theatre- G+3 1 10. Central G+5 Instrumentation facilities 11. Central Workshop G+1 I&II 12. Wellness centre 2 G+1
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
13. KV school G+2 14. Indoor Common G facility 15. Research & innovation G plaza 16. Phase-1B Housing Type-3 1 G+11 [Residential] 17. Housing Type- 4 G+10 4(Extended) 18. Housing Type-5 4 G+11 19. Boys 7 girls triple seater 2 G+8 20. Common facility 1 G+1 21. Guest House 1 G+2 22. Mess 1 G+2 23. Married Student 2 G+9 Housing 24. Day care G+1 25. Community centre G+1 26. Phase- 1B Engg. Block 6 G+6 [Academic] 27. Sci. Block G+6 28. Central Lecture theatre G+3 29. Cent. Inst. Facilities G+4 30. Cent. Workshop I& II G+1 31. Phase-2 Housing Type-3 3 G+11 [Residential] 32. Housing Type- 2 5 G+5 33. Housing Type- 4 9 G+9 34. Housing Type- 7 G+7 4(Extended)
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
35. Housing Type-5 6 G+6 36. Guest House 1 G+2 37. Married Student 3 G+9 Housing 38. Boys & girls Triple 4 G+8 seaters 39. Common facility 3 G+1 40. Mess 1 G+2 41. Phase- Engg. Block 5 G+6 2[Academics] 42. Sci. Block 1 G+6 43. Central Lecture theatre 1 G+3 44. Cent. Workshop I& II G+1 45. Phase-3 Housing Type-2 8 G+5 [Residential] 46. Housing Type- 3 3 G+11 47. Housing Type- 4 9 G+10 48. Housing Type- 7 G+10 4(Extended) 49. Housing Type-5 6 G+11 50. Married student 3 G+9 Housing 51. Boys & girls Triple 2 G+8 seaters 52. Student Hostel 3 seater 2 G+8 53. Common facility 3 G+1 54. Mess 2 G+2 55. Phase- 3 Engg. Block 6 G+6 [Academics] 56. Sci. Block 1 G+6
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Table 3- Area Details S.No. Particulars Total Area (m2) 1. Total Plot area 19,02,019.5 (470 Acres) 2. Plinth area under residential 1,98,863 3. Plinth area under academics 1,10,729 4. Permissible Ground Coverage (@ 45 %) 8,55,908.77 5. Proposed Ground coverage (@ 16.28) 3,09,592.01 6. Permissible FAR (@ 3) 57,06,058.5 7. Proposed FAR (@ 0.74) 14,19,754.81 8. Proposed Green area (@30 % of PA ) 5,70,605.85 9. Open Area 13,89,935.58 10. TOTAL BUILT UP AREA 14,51,346 Built up area under Phase-IA (Residential) 68,276 Built up area under Phase-IA (Academic) 92,849 Built up area under Phase-IB (Residential) 1,44,783 Built up area under Phase-IB (Academic) 1,40,879 Built up area under Phase-2 (Residential) 3,58,564 Built up area under Phase – 2 (Academic) 1,18,141 Built up area under Phase-3 (Residential) 5,98,991 Built up area under Phase-3(Academic) 1,10,331 Built up area of Service areas 31,591 11. Road and paved area 2,85,302.925 12. Height of the building G+11 Population Density During the Construction Phase The total manpower requirement during construction phase of area will be an approximate 550-600 person which includes workmen, labourers, supervisors, engineers, architect and manager. During Operational Phase The total population of the project will be approx. 76,969 persons that include students; staff as well as Visitor population .The detailed population breakup including residents, staff members as well as visitors is given below
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Table 4-Population details for proposed area S. No. Description Floor Area Occupant Load, Floor Total (m2)/DU Area in m2/Person Population A. Phase-1A Academics building [KV 4 m2/person 2,905 school, Wellness center, 1,61,125 classrooms etc.]
Residential & Hostel[Faculty 12 m2/person 2,490 and staff Housing ( HS-3 - 88 No , 2 Block, Director Residence and Servant & Hostels] B. Phase-1B Academic Buildings 2,85,662 4 m2/person 4,025 Residential Population 12 m2/person 6,500 C. Phase- 2 Academics 4,76,705 4 m2/person 9,075 Residential 12 m2/person 13,125 D. Phase-3 Academics 7,09,322 4 m2/person 15,881 Residential 12 m2/person 22,968 TOTAL POPULATION (A-D) 76,969
Water Environment Hydrology Main rock formations in the area are the Gneissic-granites and Schists, the secondary structures like joints, fissures and faults present in them act as a porous media-the Aquifer. The lateritic layer overlying in moderate thickness and alluvium occurs along the riverbanks in less than 3.00 metres thickness acts as an aquifer locally. Ground water in the aquifer generally occurs under unconfined/phreatic and semi-confined conditions. The unconfined condition prevails within the depth range of 17.00 to 40.00mbgl. 32 exploratory borewells have been drilled at select places within the depth range of 150 to 200 mbgl reveals the presence of fractured zones; they are occasionally saturated between 20.00 and 150mbgl depths. Generally, the schistose formation has deeper ground
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
water potential zones. The top porous part in the water table aquifer constitutes approximately 3% of volume of formation. The specific capacity of dug wells in the district ranges from 6.90 to 65.03 m3/m/dd and the aquifer transmissivity estimated in the order of 1.07 to 113.69 m²/day. While the transmissivity of the deeper aquifers estimated in the order of 11 to 40 m²/day and that of yield ranges from 2 to 5 lps.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Figure 3- Hydrology map of District Dharwad Dikstrict
Drainage The district is drained by two major rivers: Malaprabha and Tungabhadra, with the main tributaries such as Bennihalla, Varada and Kumudvati. BennihaUa drains about 6240 square kilometers of area of northern portion of the district, which is one-half of the total area and joins the river Malaprabha. Varada and Dharma with number of small tributaries drain
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
half of the region. The river kumudvati located in the far south of the region. All the chief rivers flow towards east to join the Bay of Bengal. Shalmala a small river drains a small portion in the north-west and flows through the taluk of kalaghatagi and parts of Hubli- Dharwad taluks, runs towards west to join the Arabian Sea.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Figure 4- Drainage Map of Dharwad District
Freshwater demand and source Construction Phase The water requirement during the construction phase comprises of (i) fresh water for labourers, (ii) construction water.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Table 5-water demand during construction phase Area in m2 Total Rate of water Total water Description (Total) Occupancy demand requirement Labors - 600 45 lpcd 27 KLD Water curing 14,51,346 - 17.81 kl/m2 25,848 ML (Source:- Assessment of water resource consumption in building construction in India,S. Bardhan, Dept. of Architecture, Jadavpur University, India) It is estimated approx. 27 KLD of fresh water will be required for drinking purpose which will be imported in form of bottled cans from the local fresh water supplier during the days of construction. It is envisaged that approx. 25,848 ML of treated/fresh water will be required for the water curing of building structures. Operational Phase Total water demand for the proposed project shall be 6,189 KLD. Main source of supply shall be municipal authority. For any shortage, the water shall be augmented from the tube well/ tanker water for the proposed buildings after obtaining proper permission from the concerned department, if required. There will be a dual plumbing system for use of water for different applications thus saving on the high quality water. Installation of dual plumbing for using recycled water will save the potable water from authorized water agency. 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 will result in saving of fresh water demand and life of existing sewerage will be improved. Other water conservation measure shall also be adopted to conserve water. Table 6-water conservation measure Measures Type Water Conservation Fixtures Dual plumbing cisterns, Dual flushing system, low flow taps, low flow urinals, sensor- based taps in commercial areas and facility areas, low faucet taps, low flow showers, tap aerators, auto control valves and pressure reducing devices Monetary Measures Metering (flow water) and pricing of water Leakage Prevention Timely detection of leakages in pipeline & tanks Wastage Prevention Alarms for filling of tank
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Storm water harvesting Storm water collection and recharging system. Recharge pits to be provided for recharging collected rain water to ground.
Storage structures in form of underground tanks will be constructed within the project site for storage of water. Storage shall be provided for one day requirement. Detailed water consumption at the site is given in table below. Table 7-Water demand for the operational phase Sl. Description Total Unit water Total Water No. Population/Area Consumption Requirement in (m2) (LPCD) (KLD) 1. Main Uses (Domestic) a) For buildings Phase 1A,1B, Phase-2 & Phase 3 Staff/Students 25,508 45 1147.86 Faculty /Visitors 6,378 15 95.67 Residents 38,320 86 3295.52 Staff 2,254 45 101.43 Visitors 4,508 15 67.62 Kitchen/ Mess 30 Sub- Total of main uses 4,738 KLD 2. Other Uses a) HVAC cooling 11000 TR 10lt/hr/TR 880 b) Horticulture 5,70,605.85 m2 1 lt/m2 571 Sub-Total (KLD) of other Uses 1,451 KLD Total Water demand Calculated for Proposed area (1+2) 6,189 KLD say 6.1 MLD
Table 8- Wastewater calculation with respect to STP S.No. Description Quantity (KLD) 01 Fresh water requirement - (@ 70% of Domestic water ) 3,316.6 02 Flushing water requirement (@ 30% of Domestic water) 1,421.4 03 Wastewater Generation @ (80% of Freshwater + 100% of 4,075 KLD Flushing) 04 STP Capacity Proposed 4,890 KLD
Table 9- Summary of recycled and reused water S.No. Description Quantity (KLD) A) Recycled Water Available @ 80% of Waste Generated 3,260 KLD B) Recycled Water Required 2,872 KLD
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
01 For Flushing Purposes 1,421 02 For Landscape 571 03 HVAC cooling 880 04 Surplus water remains 388 KLD
Figure 5- Water balance diagram
Wastewater generation and treatment During Construction Phase The quantity of sewage generation during the construction phase will be approx. 21.6 KLD. Thus, the sewage will be treated by providing small septic tanks, soak trenches and Sulabh Shauchalaya type mobile toilets.
During Operational Phase Quantity of sewage generated during operational phase shall be approx. 4,075KLD. The sewage will be treated through sewage treatment plant of capacity 4,890 KLD. The treated domestic sewage i.e.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
3,260 KLD which will be re used for flushing (1,421 KLD) and for HVAC cooling (880 KLD) and for landscaping (571 KLD) , however surplus treated water shall be discharge to nearby drain.
Sewage Treatment Technology The design of sewage network shall be done in accordance with the CPHEEO guideline, NBC guidelines and reverent Indian Standards. Sewage generation is assumed to be 100% of flushing water and 80% of domestic water. The following parameters/ site conditions shall be kept in mind when designing the sewage, Sludge and storm water drainage system. Natural slope of the area. Layout of different facility in the complex; Possibility of using complete or part of the existing sewage network; Sub-soil water table; Provision of Sewage lifting station; (if required) Provision of venting arrangement for manholes; Construction of manholes & laying of pipes considering ground condition; Termination of vent cowl at terrace level; Provision of adequate slope for horizontal header in the under slung pipes especially for public toilets Sewage flow starts with fractional capacity and builds up to full capacity in due course. An operational plan to meet this demand from a low flow to full flow will be part of the design. 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 recoverable waste water. 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. Wastewater details are given in below Table 10-Wastewater Details Particulars Quantity
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Daily load 4,075KLD Duration of flow to STP 24 Hours Temperature 320 C Inlet Outlet (Treated Wastewater ) pH 6.0 – 8.5 6.0-8.5 S.S. (mg/l) 200-450 Less than 20 mg/l BOD5 270 C (mg/l) 250-400 Less than 10 mg/l COD (mg/l) 600-800 Less than 30 mg/l Oil & grease ABS (mg/l) Up to 20 mg/l Less than 05 mg/l E. coli >106 MPN < 103 MPN Technology The technology is based on attached growth aerobic treatment followed by clarification by a tube settler. Lime will be dosed in for suppression of foaming tendencies. The clarified water will be filtered in a pressure sand filter after dosing of coagulant (alum) for removal of unsettled suspended impurities. This water will be passed through an activated carbon filter for removal of organics. The filtered water from ACF is then chlorinated & stored in the flushing tank. The attached growth fluidized aerobic bed reactor (FAB) process combines the biological processes of attached & suspended growth. It combines submerged fixed film with extended aeration for treatment of the waste water. The waste water after screening is collected in an equalization tank. The equalization tank is required for preventing surges in flow & facilitating equalization of characteristics over the entire quantity of effluent in a given time. A provision for pre-aeration is made in the equalization tank in order to ensure mixing & to prevent the sewage from going septic. The equalized sewage is then pumped into the FAB reactor for biological processing. The water enters the bottom of the reactor & flows up through the fixed film media which grossly enhances the hydraulic retention time & provides a large surface area for growth of biological micro – organisms. The FAB reactor is aerated by fine pore sub – surface diffusers which provide the oxygen for organic removal. The synthetic media floats on the water & the air agitation ensures good water to micro-organism contact. The FAB treatment is an attached growth type biological treatment process where in, the majority of biological activity takes place on the surface of the PVC media. Continuous aeration ensures aerobic activity on the surface of the media. Micro – organisms attach themselves on the media & grow into dense films of a viscous jelly like nature. Waste water passes over this film with dissolved organics
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
passing into the bio-film due to concentration gradients within the film. Suspended particles & colloid may get retained on this sticky surface where they are decomposed into soluble products. Oxygen from the aeration process in the waste water provides oxygen for the aerobic reactions at the bio-film surface. Waste products from the metabolic processes diffuse outward & get carried away by the waste water or air currents through the voids of the media. The aerated effluent passes into a tube deck settler for clarification. The theory of gravity tube settler system is that the carrier fluid maintains laminar flow in the settling media at specified maximum viscosity. These two parameters of a carrier fluid, flowing through a hydraulic configuration, will determine the velocity gradients of the flow, the height of boundary layer at the inclined surface and the residence time within the media. The carrier fluid must be viscous Newtonian, exhibiting a Reynolds number of less than 1000 and preferably, a number under 400. The laminar flow, through the inclined tubes, will produce velocity gradients sufficiently large to form an adequate boundary layer, where the velocity of fluid approaches zero. Boundary layers are necessary in functioning tube settlers, to allow suspended solids to separate from the viscous carrier fluid. Under gravitational forces, they will settle to the hydraulic surface of the tube and subsequently from the clarifier media. Since the tubes are inclined at 60 degrees, solids settled on the tubes are continually discharged down. This downward rolling action increases particle contact and hence further agglomeration, which increases the sludge settle ability. Studies show that these agglomerated sludge particles can have a settling rate in excess of ten times the settling rate of the individual floc particles in the influent. These heavy agglomerated masses quickly slide down the 60 degree inclined tube and settle at the bottom of the tank. Excess sludge from the bottom of the Tube settler shall be transferred into an adjoining aerobic digester cum thickener tank. In this tank sludge shall be aerated. The air shall be shut off periodically and supernatant water will be led back into the Equalization Tank. This way the sludge shall be thickened and its volume shall be reduced. The thickened sludge will be further solidified using a centrifuge or a filter press and the solid cakes will be used as manure in horticulture. The treated and disinfected water from the Chlorine Contact Tank will be passed through a Multigrade Filter, an Activated Carbon Filter and a Softener and then stored in a Treated Sewage Water Tank. Water from this tank will be used for the Cooling of DG system and for horticulture and other recreational activity within the site.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Preventive measures to Avoid Leaching Treated sewage from Sewage Treatment Plant will be conveyed to Treated Sewage Tank through pipelines. All the joints from piping system will be checked periodically and carrying treated wastewater pipes will be laid in conduits wherever road crossings are expected. Thus no leaching of treated sewage into nearby water courses shall take place. Supervisors will be employed for overall operation & maintenance of water supply, waste water treatment and other utility services.
BAR SCREEN CHAMBER
OIL AND GREASE CHAMBER
COLLECTION CUM EQUILISATION TANK
FAB TANK
TUBE SETTLING SLUDGE DRYING TANK BED
FILTER FEED TANK
TERTIARY TREATMENT (MGF,ACF)
Figure 6-Process and Instrumentation of STP technology
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Parking Details Adequate provision shall provide for vehicle parking at the project site not to disturb the traffic and allow smooth movement at the site. Proposed project will consist of open, basement and MLCP parking. The parking space criteria and area requirement provided are summarized in the below tables. Table 11- Total Parking Proposed
Rainwater Harvesting and Storm Water Drain A rainwater harvesting system comprises components of various stages -transporting rainwater through pipes or drains, filtration, and recharging the ground water through tanks. Percolation structures will be constructed for ground water recharge. Runoff from the first spell of rain carries a relatively large amount of pollutants from the air and catchments surface so the system will be provided with a filtration pit consisting of layers of sand, gravel and pebbles of relevant sizes to remove impurities from the collected rainwater. Need for Rainwater Harvesting
Surface water is inadequate to meet the daily demand and we have to depend on ground water. Due to rapid urbanization, infiltration of rain water into the sub-soil has decreased drastically and recharging of ground water has diminished. Rainwater harvesting prevents the flooding of low-lying areas in the site. The storm water disposal system for the premises shall be self-sufficient to avoid any collection/stagnation and flooding of water. The amount of storm water run-off depends upon many
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
factors such as intensity and duration of precipitation, characteristics of the tributary area and the time required for such flow to reach the drains. The drains shall be located near the carriage way along either side of the roads. Taking the advantage of road camber, the rainfall run off from roads shall flow towards the drains. Storm water from various areas/shall be connected to adjacent drain by a pipe through catch basins. Therefore, it has been calculated to provide 470 rainwater harvesting structures at selected locations, which will catch the maximum run-off from the area. 1. Since the existing topography is congenial to surface disposal, a network of storm water pipe drains is planned adjacent to roads. All building roof water will be brought down through rain water pipes. 2. Storm water system consists of pipe drain, catch basins and seepage pits at regular intervals for rain water harvesting and ground water recharging.
Rain water harvesting has been catered to and designed as per the guideline of CGWA. The recharge pit of 9 m dia and 5 depth is constructed for recharging the water. Inside the recharge pit, a recharge bore is constructed having adequate diameter with PVC slotted pipe up to a layer where sandy aquifers/ deeper aquifer permeable layers exist. The bottom of the recharge structure will be kept 5 m above this level. At the bottom of the recharge well, a filter media is provided to avoid choking of the recharge bore. Design specifications of the rain water harvesting plan are as follows: Catchments/roofs would be accessible for regular cleaning. The roof will have smooth, hard and dense surface which is less likely to be damaged allowing release of material into the water. Roof painting has been avoided since most paints contain toxic substances and may peel off. All gutter ends will be fitted with a wire mesh screen and a first flush device would be installed. Most of the debris carried by the water from the rooftop like leaves, plastic bags and paper pieces will get arrested by the mesh at the terrace outlet and to prevent contamination by ensuring that the runoff from the first 10-20 minutes of rainfall is flushed off. No sewage or wastewater would be admitted into the system. No wastewater from areas likely to have oil, grease, or other pollutants has been connected to the system.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Further water conservation measures are suggested to be taken to reduce the water requirement are given table below. Plans showing storm water drainage network is attached. Table 12-Calculation for Storm water load S. Type of Catchment's Area Run off Rainfall Volume of total storm water
No. Surface sq. m Coff. Int.
1 Building G.C. Area 30959.2 0.85 0.76 19,02,319 Green Area 570605.85 0.20 0.76 86,732 Paved Area 285302.93 0.75 0.76 1,62,622 Total storm water volume calculated -2151673 m3/hr 2 Considering 15 mins (0.25) retention period 537918.25 3 Volume of Rain water harvesting pit 3.14× (102)×8 2,512 m3 4 Total No. of Rain water harvesting pits required 470 Power Requirement
Table 13-Electrical Load Details Power Requirement Details Demand Load For Phase-1A- 5015 kVA, for phase 1B-9082 kVA and for phase 2&3- 11,500KVA and 12,000 kVA Transformer Selection There shall be 6 ESS for phase 1 A&B
Source of Power Supply Karnataka State Electricity Board Ltd Stack Height As per CPCB norms and Local Authority
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Energy Conservation Measures CFC free equipment, chillers with CFC-free environmentally friendly refrigerant will be installed to protect the ozone layer. The Building envelope details has been followed as per ECBC to reduce heat intake from outside. Walls, roofs and glass U values will be less than the ASHRAE Standard 90.1 2007 to save energy compared to baseline building energy consumption. Lighting power densities are expected to be less than the ASHRAE Standard 90.1 2007 base line to save energy compared to baseline building criteria. Provision and space allocation for energy metering will be provided for the following system loads for continuous monitoring: . Air conditioning . Internal lighting . External lighting . Treated Effluent water pumping . Landscape water pumping
Solar water supply shall be restricted to kitchens. The DG set will be ISI rated and certified by the central pollution control board (CPCB) for emission and noise. Level controllers in water tanks will be provided to avoid overflow of water and waste of energy All pumps will be ISI rated with a minimum 60% efficiency LED lamps will be provided in all display/exit sign boards to save energy Movement sensors for lighting control will be provided in toilets, study rooms, staircases, cabins, corridors, garbage rooms, balconies, washing and storage areas Provision of solar PV panel with LED Street lighting for the external area with 50% based on conventional LED Street lighting to be subjected to GRIHA Consultant advice. Provision of LED lighting. To make it a self-sustainable campus the campus will comprise of solar farm laid on the natural slope. All the panels will be made to face southern face so that maximum energy can be captured. The solar is deliberately kept away from the residential and hostel zones to reduce urban heat island effect.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Table 14-Energy Conservation by Solar PV
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Solid Waste Generation Solid waste would 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 of excavated materials, used bags, bricks, concrete, MS rods, tiles, wood etc. The following steps will be followed for the management solid waste: Construction yards are 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/ selling to outside agency for construction of roads etc.
Figure 7-Waste Management-Construction Phase During Operational Phase The project will adopt a systematic approach for solid waste collection and disposal. Solid waste generated from the project will be collected properly and will be managed as per MSW Rules, 2016
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Municipal waste shall be mainly categories in two classes. 1. Bio degradable Waste 2 Non- biodegradable Waste. The biodegradable portion dominates the bulk of MSW. This is mainly due to food and paper waste. These solid wastes will be collected separately by putting separate bins at the source of generation. It is estimated that maximum solid waste generation would be about 26761.58 kg/day; Following are the solid waste generation rate has been considered as is given table. Table 15: Calculation of Solid Waste Generation
Category Counts (heads) Waste Generated (kg/day) For Phase 1A&B Staff/Students 27,762 @ 0.25 kg/day 6940.5 Residents 38,[email protected] kg/day 19160 Visitors 10886 @ 0.15 kg/day 1632.9 Landscape Waste (140.9 Acre) @0.2kg/acre 28.18 Total Waste Generated 26761.58 kg/day (Source: http://cpheeo.nic.in/WriteReadData/Cpheeo_SolidWasteManagement/chap3.pdf ) Total Municipal Waste generation 26761.58 kg/day Biodegradable waste approx. 16056.948 kg/day Non-Bio degradable waste approx. 8028.474 kg/day Inert waste approx. 2676.158 kg/day
Collection and Segregation of waste For Domestic Waste A door to door collection system will be provided for collection of domestic waste in colored bins from every unit. The local vendors will be hired to provide separate colored bins for dry recyclables and Bio- Degradable waste. For waste collection, adequate number of colored bins (Green and Blue & dark grey bins– separate for Bio-degradable and Non- Bio-degradable) are proposed to be provided at the strategic locations of the area.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Litter bin will also be provided in open areas like parks etc. Treatment of Waste Domestic Waste Bio degradable Waste Bio-degradable waste will be subjected to the compost/resultant will be used as manure. STP sludge is proposed to be used for horticultural purposes as manure. Horticultural Waste is proposed to be composted and will be used for gardening purposes. Recyclable Waste The cropped grass will be spread on the green area. It will act as manure after decomposition. Recyclable wastes like paper, plastic, metals etc. will be sold off to recyclables. Organic Waste Converter The garbage will be collected and stored in garbage collection room and segregated as Biodegradable waste, Non-Biodegradable waste and Recyclable waste using different color coded bins Bio degradable waste will be treated by OWC and used as a manure for gardening area Recyclable wastes are inert waste which will be disposed through authorized recyclers. The total excavated earth material will be used for refilling in the low-lying area. Technique for disposal of biodegradable waste Organic Waste Converter The Mechanical Composter involves a biomechanical process which decomposes bacteria and produces odorless pre-organic compost in 15 minutes. The machine occupies small area and provides a cleaner and better environment. Working Principle Mechanical Composter converts the organic waste into odorless, pre-compost manure in 15-20 minutes. The organic waste, free from foreign particles is fed into MC. The shredder reduces the organic waste into the optimum particle size for composting. Then it is mixed with moisture absorbing materials and Useful microorganisms. This mixture is then blended for a homogeneous mixture and is converted into pre-compost manure in 20 minutes. The pre-compost manure is then fed into aerated compost blocks or 12 - 15 days. The compost blocks or piles are specially designed for the pre-compost manure to have proper aeration and suitable environment to mature. The final manure will be rich in nutrients and used for the development of green belt. Salient Features of Organic Waste Converter (OWC)
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Quick, easy to operate, less space requirement and odor free manure compared to other waste conversion process Immediate and hygienic disposal of food waste Waste minimization strategy followed by 3R Technique (Reduce, Reuse, Recycle) Savings on Purchase of Manure for landscape Savings on Waste Disposal Expenses Elimination on the usage of chemical fertilizers Carbon credit revenue in the future Optimum Conditions for Composting During Composting process, optimum conditions shall be maintained to achieve better compost value. The parameters mentioned below shall be maintained accordingly during operation. Table 16-Optimum condition for composting S.No. Parameters Values 1. C/N ratio 30: 1 2. Particle Size 1/8 to 2 inches 3. Oxygen 15 % - 20 % 4. Temperature 55 - 65.5 ⁰ C 5. Moisture 40 % - 60 % 6. pH 6.5 - 7.5 Table 17-Characterstic of Final Compost S.No. Parameters Concentration (% except pH) 1. Total Nitrogen 1.3 2. Total Phosphorus 0.2-0.5 3. Total Potassium 0.5 4. Organic phosphorus 0.054 5. pH 8.6 6. Moisture 45-50 7. Organic Matter 30-70
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Figure 8-Organic Waste Convertor Benefits of organic waste converter: Large quantity of solid waste is converted to fertilizer in a very short period This fertilizer can be sold as compost to farmers, or used for gardening Machine requires less space and the efficiency is high Manpower and maintenance are very less This is one of the latest techniques of managing solid waste. 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 Municipal Solid Wastes (Management and Handling) Rules, 2000 and amended Rules, 2016. Solid waste management Scheme is depicted in the following figure.
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Solid waste
Non Biodegradable Biodegradable Waste Waste
Recyclable Non-Recyclable Green bins
Blue bins Dark Grey Bins Composter
to Govt. approved to govt. approved Manure Vendor agency
Figure 9: Solid Waste Management Scheme -Domestic Waste
Landscape details Total green area proposed for project is 5,70,605.85 m2 (30 % of plot area). A combination of evergreen and ornamental, palms, shrubs and ground covers planted along the sides of the road and in open space and set back area within the complex layout. Landscaping is an important element in altering the microclimate of the place. Proper landscaping reduces direct sun from striking the buildings and heating up building surfaces, prevents reflected light carrying heat into a building from the ground or surfaces, creates different air flow patterns and can be used to direct or divert the wind advantageously by causing a pressure difference. Shade created by tress & the effects of grass & shrubs reduce air temperature adjoining the building and provide evaporative cooling. The Site abuts a forest on the northern side, the ecological corridor of the site is seamlessly connected to the forest area, and this renders the ecology and environment of site as sensitive. The Flora and Fauna would get effected by the magnitude of the population proposed. There are various natural watershed streams running through the campus, which collects the water running from the hills in the north and drains in the southern face of the site. Protection of all natural features, especially
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
watershed areas is strongly recommended. The design will incorporate these natural watersheds as integral components of the site. Conceptually it has been thought of to sustain the ecological balance, by retaining the major vegetation and forming a continuous green belt with its connection to the surrounding vegetation, retaining the surface water runoffs and its connection to the surroundings, converting the rocky outcrop into vegetative lands. Table 18-Landscape area details Landscape area Proposed 5,70,605.85 m2 (30 % plot area) As Per MoEF Guidelines One tree per 80 m2 of total area out of which minimum 50 % to be in the category of evergreen trees. Trees Required 23,775 trees No of saplings proposed at site 26000 trees
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
Table 19-List of Plantation Proposed
(Source: Guidelines for developing Green Belts by CPCB, 2000) List of building materials being used at site 1. Coarse sand 2. Fine sand 3. Stone aggregate 4. Stone for masonry work 5. Cement 6. Reinforcement steel 7. Pipe scaffolding (cup lock system) 8. Bricks 9. CLC fly ash blocks 10. Crazy (white marble) in grey cement 11. P.V.C. conduit
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Proposed Permanent Campus of IIT Dharwad M/s IIT Dharwad (Institutional Project) At Kelagiri, Chikkamalligewad, Dharwad, Karnataka
12. MDS, MCBs 13. PVC overhead water tanks 14. 2 1/2'’ thick red colour paver tiles 15. PPR (ISI marked) 16. PVC waste water lines 17. S.W. sewer line up to main sewer 18. PVC rain water down take 19. Stainless steel sink in kitchen 20. Joinery hardware- ISI marked
List of Machinery Used During Construction o Dumper o Concrete mixer with hopper o Excavator o Concrete Batching Plant o Cranes o Road roller o Bulldozer o RMC Plant o Tower Cranes o Hoist o Labor Lifts o Pile Boring Machines o Concrete pressure pumps o Mobile transit mixer
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