Construction of machine drilled Deep Borewell at Village Dardpora in the land of Ashia Begum WO. Gh. Ahmad Khan and Others

Boring/Drilling of 200mm diameter bore of required dia for casing /stainer pipe by suitable method prescribed in IS : 2800 ( part 1), including collecting samples from different strata, preparing and submitting strata chart/ bore log including higher & running charges of all equipment tools, plants and machines required for the job, all complete as per direction of Engineer –in-charge up to desired depth(all types of soil). The job includes Supplying ,assembling , lowering and fixing in vertical position in bore well ,PVC casing pipes of 125 mm dia, of reputed and of approved brand and manufacture including required hire and labour charges all complete for all depth as per direction of Engineer-in –charge .Development of tube well with backwash method with air compressor of minimum capacity 1000CFM (300PSI air delivery system) with suitable arrangements till well is thoroughly developed in all respects as per the direction of in charge Engineer.

Harnessing of tube well by providing and installation of following electro mechanical equipment of standard quality. 01:- Submersible pump motor single phase 1.50 HP with motor control panel having 2HP delta starter fitted with MCCB etc. All the equipment should be of standard quality and ISI mark. 02:- 32 mm diameter Plastic riser pipe along with elbows , nipples , sockets , reducers whatever required at the site of work 50mtr , 4sq( mm) submersible cable 55mtr

Gravel packing in Borewell construction in accordance with IS 4097 including providing gravel fine/Medium/Course in required grading and size as per actual requirement all components as per direction of engineer in charge

Contingencies