augmentation of borewells and allied items at af stn suryalanka as per boq and tender document - 1 m&l for boring from ground level upto depth a of 7 mtr for each bore by earth auger method for dia of bore 80 to 100mm complete all as specified and as directed. 2 supply and lowering in the bore 40 mm slotted galvanised medium grade pipe with end cap , including necessary filters etc upto requird length complete all as specified and as directed. 3 supply and fix monoblock pumpset of capacity 1 hp, head 6 to 56 mtr, discharge 60 - 4200 lph, suction and discharge dia having 25mmx25mm with the above pipe along with the pressure gauge and with necessary fittings as required at site such as socket 40mm-01, reducer 40mm x 25mm - 01 nos, long bend 25mm -01nos, nipple 25x100mm- 02nos, 25mmx150mm -02 nos, union 25mm -01 nos, chuck nut 25mm - 01nos, dummy plug - 25mm- 01 nos and socket 25mm-01nos complete all as specified and as directed. 4 s&f mcb dp 240v, 6 to 32a, c curve complete all as specified and as directed. 5 s&f pvc check valve of size 25mmx25mm complete all as specified and as directed. 6 s&f screwed end pvc ball valve of size 25mmx25mm complete all as specified and as directed. 7 s&f pvc flush valve of size 40mmx50mm complete all as specified and as directed. 8 s&f pvc strainer y type screwed end of size 40mm ( 2 dia ) complete all as specified and as directed. 9 s&f pvc saddle of size 25mm dia complete all as specified and as directed. 10 s&f dol starter single phase 240v, 1.58-2.5 o / l ( a ) , 20 a contactor, suitable for 1.0 hp monoblock pumpset complete all as specified and as directed. 11 s&f pvc insulated & pvc sheathed, copper conductor industrial cable, flat 3 core 4.0 sqmm 1100 volt, conforming to is 694, for submersible pump motors complete all as specified and as directed. 12 m&l for 40mm pvc pipes of pressure rating 10 kgf / cm2 laid in trenches including short lengths, with all pipe fittings such as ends, elbows, unions, tees, reducing tees, adoptors, sockets, plugs, hose clips etc. complete all as specified and as directed. 13 all as per item no. 12 above but of size 25 mm 14 all as per item no. 12 above but of size 20 mm 15 all as per item no. 12 above but of size 15 mm 16 s&f pop up & pop down sprinkler with distribution uniformity above 88%, discharge not less than 450 lph, pressure 4kg / sqmm, wetted radius 11 to 21 mtrs inlet connection: 3 / 4” female threaded , including required hdpe / pvc swing joint, necessary excavation and refilling complete all as specified and as directed. 17 m&l for construction of cover shed of size 1.5x1.5x0.75mtr, wall thickness 0.230 with sub class b old size bricks, built in cm 1:6, rendering 15mm thick in cement mortor 1:4 on brick work or concrete surfaces finished even and smooth, 100mm thick pcc 1:2: type b2 using 40mm graded stone aggregate as in floor finished even and smooth without using extra cement, 6mm thick asbestos cement corrugated sheet in roof covering fixed with l type or j type or cranked hook bolts complete all as specified and as directed.