Providing PWS Scheme to Kothapalem GP of Nizapatnam Mandal of Bapatla District.Est.Cost.37.50 Lakhs

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 DI 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.

Drilling of Bore well with Rotary Rig per RM Drilling of Bore hole (which may be carried out by pilot bore hole) to a finished dia of 200/225/300 /350/450 mm hole (for insertion of 110/140/160/180/200mm PVC Pipe / 175/200mm PVC Blue casing pipe) by Rotary drilling rig in all formations suitable for Rotary drilling such as alluvium, Loamy, clayey, sandy, burried channels, highly disturbed and bouldary zones high sheared and fractured zones followed by jointed to massive soft, medium rock, all formations typical and suitable for rotary drilling etc. including insertion of casing pipe , couplings, cap, plug fixation, and including filling the peripheral gap with rebullied pebbled gravel packing, bore development, conducting yield test, and all other required in the fixation of pipes assembly etc. but excluding the cost of casing pipe, couplings, dummys, clamps etc., as recommended by the departmental Geologist. The bore should be developed with compressor air until clear water free from sand and other materials continuously discharged. The size of gravel used for gravel packing should be as per ISI specification used for rotary tube well. The pebbled gravel packing should be carried out in such a way that the theoritical quantity consumed completely. The entire work to be carried out as per I.S. 2800 Part - I & II of 1979 and including cost of all materials and all labour charges and excluding all taxes etc., Complete.Drilling of Bore well 350/450mm dia for insertion of pipe dia of 160/175/200 mm. As per SSR 2024-25

Drilling of Bore well with Rotary Rig per RM Drilling of Bore hole (which may be carried out by pilot bore hole) to a finished dia of 200/225/300 /350/450 mm hole (for insertion of 110/140/160/180/200mm PVC Pipe / 175/200mm PVC Blue casing pipe) by Rotary drilling rig in all formations suitable for Rotary drilling such as alluvium, Loamy, clayey, sandy, burried channels, highly disturbed and bouldary zones high sheared and fractured zones followed by jointed to massive soft, medium rock, all formations typical and suitable for rotary drilling etc. including insertion of casing pipe , couplings, cap, plug fixation, and including filling the peripheral gap with rebullied pebbled gravel packing, bore development, conducting yield test, and all other required in the fixation of pipes assembly etc. but excluding the cost of casing pipe, couplings, dummys, clamps etc., as recommended by the departmental Geologist. The bore should be developed with compressor air until clear water free from sand and other materials continuously discharged. The size of gravel used for gravel packing should be as per ISI specification used for rotary tube well. The pebbled gravel packing should be carried out in such a way that the theoritical quantity consumed completely. The entire work to be carried out as per I.S. 2800 Part - I & II of 1979 and including cost of all materials and all labour charges and excluding all taxes etc., Complete.Drilling of Bore well of 200/225/300 mm dia for insertion of pipe dia of 100/125 mm. As per SSSR 2024-25

Cost and supply of 140 mm dia 10 Kg/Cm2 PVC Pipes for Providing Deep bore well purpose. Including all labour charges etc complete.

Cost and supply of 175 mm dia PVC blue casing pipe per RN3 Casing Pipes and Bore caps excluding taxes, etc., complete.

Cost and supply of OD 63 mm dia 10 Kg/Cm2 HDPE Pipes (PE -100 Grade) for Puming the water deepbore Pumpset to OHSR/ Ground level, Including all labour charges etc complete.

Supply, delivery and errection of submergible pump set suitable to bore well coupled with motor, single phase Motor, 2880 RPM 240V (-15%+ 10%) 50Hz of with rediai/mixed flow including cost and conveyance of motor, pump sets

Fabrication , transportation and supply of suitable size panel board for single phase submersible motor 2 to 3HP consisting of relay, Contactor, starting and running capacitors, Voltmeter, Ammeter,indicator lamps, MCB , on/off switch including supply and fixing of DOL starter of complete.

3-Core coire Flat sutable submersible pumpset cable wire 2.50 sqmm including all charges etc. Complete.

Labour charges for cutting of slots to 140 mm dia PVC pipes of 10 Kg/Cm2 for making filter points to a length of 36.00 mts for filteration purpose etc. Complete.

Bailing out of water with 5 HP oil engine including hire charges, fuel charges and wages of drivers and helpers etc. complete