PRED Tenders

Drilling of Bore well by down the hole hammer drilling to a finished dia of 112/165 mm dia in all formations suitable for down the hole hammer drilling such as medium hard rock formation to hard rock formation, all consolidated formation etc. and drilling in over burden to dia not less than 200 mm etc and reaming the bore well to suit insertion of suitable casing pipe etc., including insertion of casing pipe with couplings, caps any other relevant materials upto required depth as directed by the department including transportation of drilling rigs and supporting vehicle and including bore development (Flushing of Bore Well at an average pressure of 150 PSI) conducting yield test, consumables charges, Crew charges required in fixation of pipe assembly completely done to the satisfaction of the department and including all labour charges but excluding all taxes, the cost of casing pipe, couplings, cap etc., The entire work should be carried out as per IS -2800 Part I & II 1979 and amended from time to time.165 mm dia drilling &112mm Dia Drilling. Drilling of Bore well with DTH Rig per RM.2) Supply and Delivery of 180mm dia 250mm dia, 140mm dia Unplasticised PVCs Pipes for potable water supplies conforming to IS : 4985/2000 3) Perforation charges for inner casing of 180mm dia UPVC casing pipe 4) Supply and fixing of end cap for UPVC casing pipe 5) Geologist's survey charges for site selection of source including Contract profit @ 13.615%. but excluidng CED/GST etc complete. ( Note: Borewell shall be drilled with Approved Rate Contractor approved by any RWS office circle and QC of materials shall be done by Departmental persons)

Supply and delivery of HDPE PE-100 6 Kg/Sqcrn Pipes as per IS: 4984/2016 including cost and conveyance, excluding taxes etc. complete for For 90 mm HDPE 6 Kg/cm2

Earth Work Excavation and depositing on bank with an initial lead of 10 m and 2 m lift in loamy clayey soils including all labour charges etc., complete.

Construction of 40000 Lts Capacity OHSR with 12.90 m staging with raft foundation plastering with CM(1:3), 3 coats of epoxy paint to inner surface of the reservoir including roof dome and 2 coats of Weather proof emulsion painting for external surfaces, lettering as per Dept Direction, S/Fof the CI D/F Pipes verticals, vlaves, Execution as per Design and drawigns supplied by the Dept. including the cost and conveyance of the all materials, Bends & Specials etc. complete including the following - M30 Grade Concrete b) D.I man hole covers with frame of size 0.60 X 0.60 mts -2 Nos (light duty) c) DI Swan Neck ventilators shall be provided in Top dome/slab with flyproof mesh d) RCC Phinial with copper or Stainless stell fly proof mesh e) RCC or Aluminium ladder inside of 0.60 mts width f) RCC spiral stair case with handrailing upto 200kl for above 200kl capacity Doglegged staircase with flight width of 1mt and landing of 1.2mts and SS Handrailing upto 1mt The doglegged stair case shall been closed with brick/CRS wallon three sides and front side with M.Scollapsible gate upto 1stbracelevel from ground level to prevent unauthorized entry g) Waterlevel indicator of good quality with ebonite/copper float approved pattern - 1 No. h) Lightening arrestor of approved pattern 1 No complete including conductor earthing i) Railling with Stainless Steel of grade 304 in two rows around OHSR fixed in RCC (1:2:4) of post of size 100x75x75mm with 1.5m m itervals around the pheriphary on top of OHSR.

Operation and Maintenance of CPWS Scheme 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 40 LPCD 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 Tail end tap point of 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 is excluding GST, Cost of chemicals involved in disinfection and flocculation process, Electrical consumption charges, Repairs and Renewals, Annual maintenance of Gas chlorination plants). For all 0 to 5 MLD, 5 to 25 MLD, 25 to 50 MLD, 50 to 100 MLD and Sources having large dia High yielding tube wells (Annexure is enclosed for the System staff.) Eluru Segment