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| 1 | Drilling of perfectly vertical bore hole of a diameter sutable to receive 150mm nominal diameter casing pipe upto desired depth below ground level inclusive of the labour charges for transporting, lowering and fixing of 150mm nominal diameter M.S./G.I./UPVC casing pipe inside the bore hole including all works pertaining to drilling such as transportation, installation and removal of drilling machine etc. complete (a) In all types of collapsible strata consisting of soils, clays, sand, moorum, gravel, boulder etc. (i) From 0 to 19.55 m Depth below g.l. (PHE.SOR 21.3 Page315) |
| 2 | (b) In all types of rock(i) From19.55 mto 19.70 mm Depth below g.l. (PHE.SOR 21.3.2 Page315) |
| 3 | Drilling of perfectly vertical bore hole of 150 m.m.diameter up to desired depth below ground level in all types of rock including all works pertaining to drilling such as transportation, installation and removal of drilling machine etc. complete. From 19.70 mto 87.70 mm Depth below g.l.(PHE.SOR 21.4 Page315) |
| 4 | Drilling of perfectly vertical bore hole of 150mm dia uptodesired depth below ground level in all types of strata including all work pertaining to drilling such as transportation, installation and removal of drilling machine etc complete in intertrappean formations (collapsible strata between rocks) including charges for transportation and making all necessary arrangements etc, including loweing and fixing of 125mm nominal diameter (G.I. or UPVC) casing pipe.From 87.70 mto 112.55 mm Depth below g.l. (PHE.SOR 21.8 Page316) |
| 5 | Drilling of perfectly vertical bore hole of 150 m.m.diameter up to desired depth below ground level in all types of rock including all works pertaining to drilling such as transportation, installation and removal of drilling machine etc. complete. From 112.55 mto 112.70 mm Depth below g.l.(PHE.SOR 21.4 Page315) |
| 6 | Drilling of perfectly vertical bore hole of115 m.m. diameter up to desired depth below ground level in all types of rocks including all works pertaining to drilling such as transportation, installation andremoval of drilling machine etc. complete. From 112.70 mto 160.0m Depth below g.l.(PHE.SOR 21.2 Page315) |
| 7 | Measurement of yield of tube well by operating hand pump continuously for four hours manually. (PHE.SOR 24.4 Page324) |
| 8 | Construction of 76 cm.x 76 cm x 40 cm. foundation block in 1:2:4 cement concrete for fixing the pedestal of Hand Pump including excavation, cost of material and labours etc. complete(PHESOR 23.3 Page321) |
| 9 | Construction of cement concrete platform as per design around the hand pump in 1:2:4 cement concrete including excavation, centering, shuttering, cost of all the materials and labour and curing etc complete (PHESOR 23.4 Page321) |
| 10 | Construction of cement concrete drain as per design in 1:2:4 cement concrete including excavation, centering, shuttering, cost of all the materials and labour and curing etc complete (PHESOR 23.6 Page321) |
| 11 | Construction of sokage pit of 70 cm dia. and 1.0 m deep including excavation, brick lining at top in 1:4 cement mortar, filling ofbroken bricks etc. and cost of all the materials and labour and curing etc complete. (PHESOR 23.10 Page322) |
| 12 | Labour charges for installation of IndiaMark II Hand Pump with 30 meter long 32 mm dia. riser pipe assembly and all other accessories including transportation of Hand Pump from specified departmental stores to site. (PHESOR 23.1 Page321) |
| 13 | Add to item No.1 above for fixing the extra length of riser pipe assembly beyond 30 meters (23.2 Page321) |
| 14 | Providing and fixing of well cap on top of the tube well for protection ms cap 150 mm dia. (PHESOR21.9.3 Page316) |
| 15 | Construction of concrete block over dry tube wells for protection of size 0.45m x 0.45m x 0.45m in M-15 cement concrete mix. complete. Work (PHESOR 21.10 Page316) |
| 16 | Disinfection of tube well using bleaching powder solution as per the direction of the Engineer-in- Charge including the cost of bleaching power and labour etc. complete (PHESOR 24.5 Page324) |
