Aditional Components for Digestor and Machinaries for the Biomethanation Plant at Kallaraimedu in Kodaikanal municipality

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.

Supplying and filling in foundation, basement, etc with filling stone Dust 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

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

circular coloumn

Flat coloumn

Circular Wall

Flat wall

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 following Cement Mortar 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.

Painting New Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over one coat priming coat in all floors including the cost of primer etc., complete complying with standard specification and as directed by the departmental officers.(The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

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. Dai - 32 ft, Height - 6.5 ft

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 3 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 ARMATEC 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: 2000 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 162 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 Moisture Filter: One-inch filter with working pressure upto 16 bar. Imported S.S Cartridge

Supply of Electircal and Plumbing for all the epuipments at site. Internal wiring with Accessories Supply of Electircal and Plumbing for all the epuipments at site. Supply and Fixing of Hydraulic Hose including 3/4"R2 (10MTtrs X 3 Nos & 8 Mtrs X 3 Nos) and 1/2"R2 (10MTtrs X 3 Nos & 8 Mtrs X 3 Nos) with HYD Hex Nipple 3/4"X3/4 "(4 Nos) 1/2 X1/2" (6 Nos) 1/2" X3/4" (7 Nos) Couppled with Copper Washer: 3/4" (7Nos) 1/2" (7 Nos) from Hydraulic Agitator to the Hydraulic Motors Hydraulic Flow Control Valve 1/2" of 3 Nos Hydraulic Female Tee 3?4" BSP (2 Nos) HYD Dummy Plug 1/2"

Installation & Commissioning Agitators, Heating System, Recirculation System and other equipments.

Feeding of 500 KL 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.