Tiruvannamalai City Municipal Corporation Recomissioning of Existing 5MT Bio-Methanation Plant and Construction of New 5MT Biomethanation Plant.

Earth work excavation for foundation by manual means for Isolated, Combined and Other type foundations in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Earth work open excavation by manual means in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification and as direct-ed by the departmental officers.

Earth work Open excavation by Mechanical Means for Open Earthwork in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers.

Earth work Open excavation by Mechanical Means for Open Earthwork in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers. Above 2.40m

Supplying and filling in foundation, basement, etc with M Sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers -Mixing by mechanical means

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be rovided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 2.10 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton and as directed by the departmental Officers(Payment for centering shall be given after the concrete is laid)

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without inspiring strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcement grill and fabricating charges, centering and shuttering and also including laying,vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc.,complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Brick work in Cement Mortar 1:5 (one cement and five M sand)using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar Plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond shall be done as directed by the Executive Engineer in charge.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification

Supplying , fixing and roofing with colour galvalume sheet of 0.47mm thick with all necessary accessories such as J/V bolt and nuts of suitable length with suitable bitumen washers complete complying with standard specification and as directed by the departmental officers.

Paving the floor with pre-polished concrete anti-skid tiles (Required shape and design) of 20mm thick of approved quality and colour laid in accordance with IS 1443 over a cement mortar bed of 20mm thick in Cement Mortar 1:3 (One Cement and Three crushed stone sand) with required Cement Slurry and Mortar Plasticizer and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Dadooing walls with printed design colourglazed tiles of size 300 x 450 x 8mm best approved quality, white / colour glazed tiles conforming to IS 15622 of following sizes in Cement Mortar 1:2 (One Cement and Two crushed stone sand),10 thick with Mortar Plasticizer and pointing the joints with Water Resistant Tile Epoxy Grout at the rate of 0.27 Kg. / sq.m. neatly in all floors, curing, etc., complete complying with standard specification and as directed by the departmental officers.(The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Supplying and painting the walls with two coats of cement paint as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications and as directed by the departmental officers. (The colour and shade of the cement paint shall be got approved by the Executive Engineer before use of work).

Supply of Gas Holder: UV resistant five layer FRP segments made up of fiber reinforced plastic of five layers 450 emulation glass matt and isopathallic resin and gel coat segments molded in fiber reinforced plastic mould with ribs for strengthening around gas holder, Mild Steel structure inside to support and strengthening the gas holder.

Supply of Slurry Tank Cover: UV resistant five layer FRP segments made up of fiber reinforced plastic of five layers 450 emulation glass matt and isopathallic resin and gel coat segments molded in fiber reinforced plastic mould with ribs for strengthening around gas holder. Dia - 5m

Supply of 10 MT H2S Scrubber: UV resistant five layer FRP segments made up of fiber reinforced plastic of five layers 450 emulation glass matt and isopathallic resin and gel coat segments molded in fiber reinforced plastic mould with ribs for strengthening around gas holder, Mild Steel structure inside to support and strengthening the gas holder.

Supply of 10 MT Food waste shredder: Mild steel 12 gauge / 2.8 mm thickness, harden steel blades, grinding size 3mm to 6mm. Heavy duty bearing, over load alarm, easy feeding system.High grade cutters with double stage cleaner.Cutter thickness 11mm, cutter dia 200mm, cutting area 400 mm.Chain couping drive.Auto reverse system.Automatic control panel.Overload alarm indication.Easy feeding system.All fabrications with highly safety aspects.

Supply of 10 MT Conveyor for Feeding: SS length, 76mm dia shaft, 76mm dia center pipe, 5mm screw plate, 225mm x 225mm pitch, 2ft U trough, 1.5ft top door hinge type for easy maintenance, 1 HP Helical gear motor

Supply of ARMATEX CSTR system: FTS Long- shaft for side installation. Stirring direction counter clockwise. Push propeller Ø880mm-Steel propeller-3 blade for hazardous area Zone 2. 15 kW helical gear drive for frequency converter operation. Substrate contact parts in stainless steel. Sealing plate in steel galvanized plus tar epoxy coated installation up to 8m below fill level with height adjustment via top link up to ±15° > lateral direction preset with base cover 30°.

Supply of Watering Heating System: 5000 Litres Hot Water Generator with Auto Control Board. Rated heat input power 3 Kw. Rated heating output power 10.5 KW. Voltage 440V-50HZ. Rated Output Water Temperature 80C. Copeland Scroll type Compressor. Heat Exchanger pipe diameter DN 40. Effective Shell and Tube Heat exchanger. Draught External rotor Motor with Steel leaves. Dixell Digital Control Mode. JSW / TATA Mild Steel body with inner coating of 120 Micron Zinc coat and 120 Micron Ceramic Coating with 120 Micron food Grade Epoxy Coating. The Tank insulated with 50mm thick with 100 mm density LRB Pad covered with chicken wire mesh including 22 gauge aluminum Cladding.

Supply & Bending of 1⁄2 inch NB SCH 10 ERW Pipe for entire digestor inner wall upto 296 meters

Supply of Recirculation System for 5 MT Digestor: Automatic 24 hour Timer based system to recirculate slurry from digestor centre to digestor bottom, from digestor bottom to digestor top level. From Slurry Tank to Digestor bottom.

Supply of Sludge Pump: Submersible sludge pump 2.0 HP, Three Phase

Supply of Moisture Filter: One-inch filter with working pressure upto 16 bar. Imported S.S Cartridge

Remote monitoring System: Measurement of flow of CH4, CO2, H2S, O2, ph.Pressure Range 0-10 Kpa Flow Range upto 100 Cu Metre per hour

Supply of Safety & Flaring Unit for excess Methane Gas with Automatic(solenoid) main/pilot gas line valves, Pilot burner for providing a stable flame, PLC controlled air control damper, Designed for complete combustion, retention time> 0,3 sc.

Supply of 30kv Biogas Genset: 100% Biogas compatible genset with required foundation work

Supply of Electircal and Plumbing for all the epuipments at site. Supply of MCC control panel with the following provisions including 100A 4P manual COS – 1 no R, Y, B indicator – 1 set Outgoing: 5 HP 3 PH DOL starter – 2 no 10 HP 3PH S/D starter – 1 no 1 1 HP 3 PH DOL starter – 7 no 1 HP 1 PH DOL starter – 3 no 1 PH starter for valve – 3 no 16A DP MCB – 1 no Each starter has 3P MCB, Contactor, OLR, 1NO + 1NC add on block, ON indicator, Start/Stop push button Internal wiring with Accessories Wall mounting type panel with powder coating

Supply of Electircal and Plumbing for all the epuipments at site. Supply and Fixing of Hydraulic Hose including 3/4"R2 (12MTtrs X 2 Nos &10 Mtrs X 2 Nos) and 1/2"R2 (12MTtrs X 2 Nos &10 Mtrs X 2 Nos) with HYD Hex Nipple 3/4"X3/4 "(6 Nos) 1/2 X1/2" (10 Nos)1/2" X3/4" (15 Nos)Couppled with Copper Washer: 3/4" (15Nos) 1/2" (15 Nos) from HydraulicAgitator to the Hydraulic Motors Hydraulic Flow Control Valve 1/2" of 4 NosHydraulic Female Tee 3?4" BSP (5Nos)HYD Dummy Plug 1/2"

Installation & Commissioning Shredder, Conveyor, Agitators, Heating System, Recirculation System, Biogas Genset and other equipments.

Feeding of 500KL of fresh cow dung diluted with Fresh water and Innoculated with Aspergillus and Trichoderma Fungi at the rate of 1G/MT each as initial innoculant and fed into digestor maintaining at 12%-15% solids.

Desludging of the biogas plant digestor by removing accumulated sludge, scum, and settled solids using mechanical/manual means; opening of manholes and cleaning points; washing and flushing of the digestor chamber; safe collection, transportation, and disposal of sludge as per the directions of the Engineer-in-Charge and in accordance with environmental regulations. Clearing and cleaning of the gas pipeline by removing blockages or moisture using compressed air, water jetting, or mechanical rodding; cleaning of valves and fittings; checking and testing of the gas line for smooth gas flow and leakages; reinstating the system to proper working condition, including all labour, materials, tools, safety equipment, and incidental charges complete.

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