Operation and Maintenance of CPWS Scheme to Peddapappur and Yadiki Mandals from Chagallu Barrage of Ananthapuramu District

"Operation and Maintenance of CPWS scheme to Peddapappur and Yadiki mandals from Chagallu barrage for the year 2025-26, Est.Cost.Rs. 58.00Lakhs for Supply of potable (chlorinated) drinking water as per drinking water quality standards to all the habitations mentioned in the schedule at the specified quantity through the existing network system with the listed infrastructure viz. RSF, OHBR, , Service Reservoirs i.e. OHSR's, GLSR's etc., including all operating expenses like wages of labour and other amenities as applicable as per the labour act, Mobility/transportation facilities etc., of the designated qualified Pump operators, Electricians, Fitters, Helpers, Watchmen etc. for carrying out of all operations involved in drawing of raw water from source, treatment and supply of drinking water as per the guidance of CPHEEO manual / as specified by the Department, at the rate of 40LPCD with relevant IS specifications. Routine and periodic maintenance, breakdown maintenance, preventive maintenance, staffing and providing labour for operating the water supply with utilizing the Alum for reducing the turbidity of supplied water not exceeding the more than 5 NTU, and shall be below 1 NTU. Adding Bleaching Powder / Liquid Chlorine / Gas Chlorination Residual Chlorine shall be maintained not less than 0.2ppm in Service Reservoirs of last habitations. All other activities incidental to the Operation and maintenance of CPWS/MVS and other standard procedures as directed by the Employer / Engineer of the department shall be followed. The Rate per KL is only for System staff of O&M (The rate is excluding GST, Cost of chemicals involved in disinfection and flocculation process, Electrical consumption charges, Repairs and Renewals, Annual maintenance of Gas chlorination plants).

Supply, delivery and staking of Bleaching powder as per I.S 1065:1989 table-I, Grade-I, including cost of material, conveyance , stacking at the location specified by the Department and all taxes, duties and levies etc., complete. The rate is excluding GST@18% and duties and levies etc.,

Lifting of 20HP non functional Submersible Pumpset by mechanical means from source at Chagallu reservoir for carrying repairs at work shop and lowering the same submersible pumpset after rewinding the pumpset into the borewell source by mechanical means including cost of labour and materials etc complete at Source 1 (Submerged pumpset at Chagallu barriage)

Lifting of 20HP non functional Submersible Pumpset by mechanical means from source at Chagallu reservoir for carrying repairs at work shop and lowering the same submersible pumpset after rewinding the pumpset into the borewell source by mechanical means including cost of labour and materials etc complete at Source 2 (Submerged pumpset at Chagallu barriage)

Lifting of 20HP non functional Submersible Pumpset by mechanical means from source at Chagallu reservoir for carrying repairs at work shop and lowering the same submersible pumpset after rewinding the pumpset into the borewell source by mechanical means including cost of labour and materials etc complete at Source 3 (Submerged pumpset at Chagallu barriage)

Earth work excavation for rectification of leakage joint in 280mm dia HDPE pipe line trench of in all soils and bailing out of water from existing main with dewatering pump and cutting the existing HDPE pipe line and lowering and laying & Jointing the 280mm dia new pipe with required fittings to the existing HDPE pie line and testing the pipe line leak joint and refilling the trench with excavated soils etc on 280 HDPE Line

Earth work excavation for rectification of leakage joint in 225 mm dia HDPE pipe line trench size 0.9X1.20 mt n of in all soils and bailing out of water from existing main with dewatering pump and cutting the existing HDPE pipe line and lowering and laying & Jointing the 225mm dia new pipe with required fittings to the existing HDPE pie line and testing the pipe line leak joint and refilling the trench with excavated soils etc on 280 HDPE Line

Earth work excavation for rectification of leakage joint in 140mm dia HDPE pipe line trench of size 0.7x1.00 mt in all soils and bailing out of water from existing main with 5.0HP dewatering pump and cutting the existing HDPE pipe line and lowering and laying & Jointing the 140mmia new pipe by fusion welding to the existing HDPE pie line and testing the pipe line leak joint and refilling the trench with excavated soils etc complete . on 140mm dia HDPE line

Earth work excavation for rectification of leakage joint in 90 mm dia HDPE pipe line trench of size 0.7x1.00 mt in all soils and bailing out of water from existing main with 5HP dewatering pump and cutting the existing HDPE pipe line and lowering and laying & Jointing the 90 mm dia new pipe with required fittings to the existing HDPE pie line and testing the pipe line leak joint and refilling the trench with excavated soils etc