SDP Sabarimala ENVTL M and M festival in 1199 ME overhauling and Operation of incinerator unit II and III including supply of spares and labour New incinerators

Amount

Appendix A Maintenance to the droplet separator unit of each Incinerator by dismantling the unit from the incinerator assembly , and de-ashing the same using suitable chemical solution, Re assembling the unit using new high quality gasket, nuts, bolts and painting using heat resistant hammer tone painting .The work includes repairing and cleaning of ‘U’ bend connecting the droplet separator with ID fan consumables.

Maintenance to the ventury scrubbing unit of each incinerator by dismantling all the water inlet connections from the unit, cleaning the spray nozzles, inside surface, damper mechanism, thermo well and re assembling the unit using new gaskets, nuts bolts etc. the defective gaskets, nuts bots , . The rate inclusive all taxes cost of consumables etc.

Dismantling, overhauling, cleaning, and minor repair works to the FD fan assembly .The work includes complete cleaning of the impeller, motor, coupling and re assembling , and necessary patch work to the casing and painting . The rate inclusive of all taxes transportation and cost of consumables.

Maintenance, repairing and complete overhauling of primary chamber. (2 set) Cleaning the refractory lined furnace walls, arch, Patch work to the refractory lining and insulation layer using fire create cement ,bricks etc , making good the refractory lined charging door and ash doors using castables, and ceramic wool. The rate also includes complete painting (2 coats) of primary chamber out surface using heat resistant aluminium paint. The rates inclusive of all taxes, charges for tools and tackles, consumables and transportation charges.

Maintenance, repairing and complete overhauling of secondary chamber . (2 set)Cleaning the refractory lined furnace walls, arch, Patch work to the refractory lining and insulation layer using fire create cement ,bricks etc , making good the refractory lined ash doors using castables, and ceramic wool. The rate also includes complete painting (2 coats)of secondary chamber out surface using heat resistant aluminium paint. The rates inclusive of all taxes, charges for tools and tackles, consumables and transportation charges.

Dismantling of horizontal refractory lined duct connecting the secondary chamber with ventury scrubber , removing the defective refractory layer form the duct, cleaning and re casting the duct using refractory cement (grade whytete/K). the work also includes providing necessary ‘Y’ type jagers inside the surface for strengthening the refractory lining. The rate inclusive of all taxes cost of consumables , all tools , tackles , like tri-pole for lifting the duct.

Complete dismantling of mono -bloc burner assembly in primary and secondary chamber for the incinerators, cleaning of electrodes, solenoid valves, blower fans, transformer, burner rod, nozzle, photocell, sight glass, diffuser plate, cone etc., Reassembling and tuning of burner assembly for proper combustion of system.

Labour charges for cleaning of fuel day tank, fuel lines, fuel filter , Rectification of leakages to the fuel line, valves, fuel pump, Replacement of gland packing, gaskets, oil seal for both the incinerators .

Labour charges for checking and necessary repairs of control panel board and related parts of Incinerator ensuring perfect and trouble free operation of all switches, contactors, OLR, MCBs, fuses, sequence controller, temperature controller, RTD, thermocouple, motors, photocell, visual and alarm monitors, limit switches, indication lamps, etc. and cleaning of all terminals using Carbon tetra chloride, painting of panel board.

Dismantling overhauling cleaning and minor repair works to the ID fan assembly. The work includes reassembling the blower unit, motor, shaft, impeller, bearing block, in proper alignment and carrying out necessary cleaning and surface finishing for the outer casing, necesssary patch work to the casing and repainting using heat resistant hammer tone paint and labour charges for replacing of bearings, greasing of bearing, and dyanamic balancing of impeller .The rate inclusive of all taxes transportation and cost of consumables.

Supply and installation of Centrifugal type Induced Draft fan ( without Motor) , The specifications & scope of supply is as follows Fan casing and impeller made of Mild steel having Capacity 4750 M3/hr @ 450mm WC, The scope of supply inclusive of shaft, bearing bloc, bearings, bearing sleeve, Pulley, Belt and structural platform for mounting the fan casing fabricated using MS C channel, angle etc. The rate is also inclusive of charges for dismantling the existing ID fan from the foundation, making necessary modifications to the inlet/ outlet duct connections, installing the new ID fan assembly , transportation charges, leading charges from Pamba to Sabarimala etc

Design , supply, fabrication of MS duct for replacing the defective duct portion between deoplet seperator and ID fan , ID fan to chimney , having 400 mm dia , 4mm thick , with mitter bend flanges, drain point , etc coated with 2 coats of aluminum paint . The rate is inclusive of dismantling of existing duct , transportation charges etc

Replacing the refractory lining of the secondary chamber of Incinerator Unit -3 – The scope of work includes complete dismantling of the refractory lining of secondary chamber, cleaning the chamber , patch work to the damaged top plate of the incinerator using MS plate, angle channel etc, providing stifners inside the top plate for fixing the bricks and casting. Providing refractory lining using one layer of refractory bricks having 115 mm thickness using IS-8 refractory bricks & one layer of insulation bricks having 115mm thickness using IS-2042 insulation bricks and fire crete cement, D cast etc. The top portion of the chamber refractory casted using arch bricks, fire create cement D cast etc. The rate is inclusive of transportation charges, leading charges from Pamba to Sabarimala loading , un loading etc

APPENDIX-B (Spare Parts) Thermocouple K Type (For primary chamber)

Thermocouple KER 710 (For secondary chamber)

Nozzle

V Belt B-97

RTD assembly for ventury outlet

Hose Metallic Braided 3/8 x 40

Digital Temperature Controller 0-1200degC

Contactor 32 A,230 V coil

Contactor 12 A ,230 V coil

Overload Relay 14-23A

Overload Relay 4.5-6.5A

Overload Relay 1.4-2.3A

Roller bearing 1312 K

Sleeve H312

Star /delta timer

APPENDIX-C (Labour Charges) Engaging overall BANDHANI for 73 days. (1 No. /shift for 3 shifts/day) (3*73=219 Nos.)

Engaging SCAVENGER for loading of garbages into the incinerator for 73 days.(2 Nos. of machines) (3 Nos./shift for 3 shifts/day /machine) (3*3*73*2)=1314 Nos.)

Engaging SCAVENGER to segregate bio-degradable waste and plastic materials from the garbages for 73 days. (5 Nos./shift for 3 shifts/day) (5*3*73)=1095 Nos.)

APPENDIX-D Conveyance charges for departmentally supplied Diesel

Cloth Mask

Antisceptic Lotion

Rubber Gloves 14''

Rubber Gloves 18''

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