NIT 50.11 Work of Construction and Commissioning of Solar Single Phase Water Supply System for Gora Tiba Wali Kothi Kudiyon Ki Dhani Village Pindolai Gram Panchayat Sabrampura in Sub division Jhotwara, District Jaipur

2.1 Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strata unconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications, with gravel as per IS:4097-1967 and it s packing as per IS: 2800 (Part I & II) 1979 as amended up to date (the work includes the cost of gravel & it s primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water. 2.1.1 Nominal bore 150 mm dia.

2.11 Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes 2.11.1 150 mm dia NB(Thickness of pipe 5.0 mm & mass of tube 20.13 Kg/m)

2.12 Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following sizes, the slotting should be as per IS:8110-1985. 2.12.2 150 mm dia nominal bore of 4.8 mm thickness

2.22 Supply & Fixing M S clamp set of 50x6 mm flat from iron with nuts and bolts etc for holding the riser pipe assembly of submersible pump set.

2.23 Supply & Fixing tube well cover of MS sheet 8mm thick at top & 5mm thick 100mm wide shroud around the edge so as to form a cap on the top end of casing pipe with GI Nipple 45cm long & two GI flanges at both ends in 80mm sizes passing through a hole in the centre of MS sheet. A 25 mm socket with end plug shall also be welded over top plate. A GI nipple having outside thread of size 1/2 (for installation pressure gauge) shall be provided & welded with 80mm GI nipple near top plate nipple shall be provided with end plug. 2.23.2 150 mm dia

2.3 Construction of tube well after completion of drilling by rotary /percussion method & upto 100 mtr. depth in all type of rocks by DTH system as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications. The work shall be deemed completed only after obtaining sand free water. The bore well should have a throughout nominal size bore beyond casing pipe. 2.3.1 Nominal bore 150 mm dia.

2.8 Testing verticality of tube well by plumbing system and yield test and draw down test by pumping system as per IS : 2800 (Part II) 1979 or as per amended up to date.

Designing providing installation and commissioning of solar energy based bore well water pumping system with galvanised MS fabricated structure with 5000 litre storage tank on minimum 3 meter staging and required accessories including real time online management and monitoring system and comprehensive operation and maintenance for a period of 7 year in various villages and habitations for producing minimum 10000 liter water perday lean month december with DC submersible pump set against head range mentioned below as per scope of work technical specification and drawing and terms and conditions specified in tender documents - More than 150 and upto 180 m