Breaking of Safety Ring in bottom depth of borewell for increasing the qty. of column pipe and connected works at various installations of Borewell in Sector 7 Panchkula

33.9.1:- Supplying, assembling, lowering and fixing in vertical position in bore well Unplasticised PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818, including hire and labour charges, fittings and accessories etc. all complete, for all depths, as per direction of Engineer-in-charge. 1. 100 mm nominal size dia [Through Rate]

33.10.2:- Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes of required dia, conforming to IS: 4270, of reputed and approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire and labour charges, fittings and accessories, all complete, for all depths, as per direction of Engineer-in-charge. 2. 150 mm nominal size dia having minimum wall thickness 5.00 mm [Through Rate]

33.15:- Gravel packing in tube well construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading and sizes as per actual requirement, all complete as per direction of Engineer-in- charge. [Through Rate]

20.114.9:- Supplying erection, testing of fully automatic electric control panel board for T/Wells in Pump Chamber consisting of MS sheet of thickness 14 gauge duly painted box type floor mounted made of angle Frame containing 1 no. fully automatic air brake starter suitable for Motor of the following capacity, Min switch of suitable range with HRC fuse, 1 no. volt meter (0 to 500 volts), 1 No. Amp. Meter of 0 to 100 amp. 3 sets of indicating lamp capacitor of suitable capacity and 1 no. single phase preventers with the timer switch including wiring in panel board and suitable electric energy meter wiring in Electric Control Panel Board complete in all respect as per specification given in Schedule No. II, Including MCB, suitable, Capacitor, Wooden Box etc as per site requirement complete in all respect. 9. 50 HP Motor [Through Rate]

App. Item:- Broken Saftey Ring, Increasing the depth including breaking saftey ring bottom at 12` x 8` reducer pipe and lowering of special tool with line shaft ^ TandP complete in all respect to the entire satisfaction of EIC.

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