Regular Operation and Maintenance including repair works of sewerage Treatment Plant (STP) 500 KLD at Lingaraj Township of Lingaraj OCP, Lingaraj Area for period of 730 days. (2nd Re-tender)

Comprehensive maintenance of Sewerage Treatment Plant (STP) of 500 KLD capacity i/c servicing of blower belt, cleaning and distilling of sludge drying and refilling media, periodical back washing of the filters with required solution and fixing of ACM and DMF media i/c disposal of existing media and refilling the fresh media, changing of MBBR media & tube settler media, replacement of various consumable like indicating lamps, meters, wires/cables, servicing of pump i/c rewinding of motors etc, checking leakage from gland packing of pumps and replacing the same, checking and lubricating all bearings and replacing the defective bearings, checking of all pipes, valves, joints, strainers, handles etc. and repair all as per requirement i/c repairing, servicing & replacement of defective/worn-out electrical, electromechanical, mechanical parts and equipment’s and associated accessories of STP plant as per inventory and term & condition attached including providing all type of consumables items required for the STP system in functional and keeping the machinery in good working condition, i/c testing and commissioning of all minor leakages and defects etc as reqd. as per Engineer-in-Charge. Make - eespl/ide/ecobridge

Routine maintenance & operation of Sewerage Treatment Plant (STP) of 500 KLD capacity cleaning of floors, taking out the sludge and proper cleaning of STP i/c watch & ward of STP by providing following staff:- : i) E&M operator (Skilled) for STP -03 Nos. ii) Helper (unskilled) for Cleaning of STP – 03No.

Supply of Liquid microbial inoculants for the removal of foul odor from the STP and to maintain proper MLSS in the aeration tank etc. complete as reqd. Make -eespl/ide/ecobridge

Supply of required chemical for proper handling of STP plant as following – Lime – 100 kg, Alum – 50 kg, poly – 10 kg per months as required for the dosing. Make -eespl/ide/ecobridge

Supply of Liquid Hypo Solutions-20 L per month, Urea and DAP -30 Kg Each and Jaggery 20 Kg per Months as required for the dosing in aeration tank for necessary nutrient and culture growth and to maintain proper MLSS in the aeration tank etc. complete as reqd.Make - eespl/ide/ecobridge

Submission of monthly test reports of treated water from NABL authorized lab with following parameters. 1- PH value 2- COD 3- BOD 4- TSS 5- Oil & Grease

Maintenance of lawn and garden inside of STP premises engaging one Semi skilled labour and as per instruction of EIC.

Supplying and fixing of water float switch sensor for water level controller wire square Head float switch for 5HP Submersible sump pump including installation and connection with pump and as per instruction of Engineer-in-charge.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means infoundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), includingdressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out theexcavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - All work up to plinth 1:2:4 (1 cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)