PROVN OF 02 X BOREWELLS WITH SUBMERSIBLE PUMP AND SYNTAX TANKS CAPACITY 2000 LTRS WITH STORAGE AT MH NAMKUM IN RANCHI MIL STN UNDER GE RANCHI

Amount

Drilling bore hole by means of using reverse rotary reamers bore hole of nomimal bore 200 MM upto the depth of 50 mtr including taking out excavated material complete all as specified and as directed.

All as per ser No. 1 but above 50 mtr and upto the depth of 100 Mtr

All as per ser No. 1 but above 100 mtr and upto the depth of 150 Mtr

All as per ser No. 1 but above 150 mtr and upto the depth of 170 Mtr

All as per ser No. 1 but above 170 mtr and upto the depth of 190 Mtr

All as per ser No. 1 but above 190 mtr and upto the depth of 200 Mtr Note for Ser tem No. 1 To 6 :- (a) The contractor shall arrange for the necessary T&P including drilling rig/machine at the site for drilling bore hole within the quoted rates.(b) The cost of fuel /lubricants etc. used for operation of drilling rig/machine shall be included in quoted rates. (c) The rates quoted here in above for drilling bore hole for a bore hole shall be carried out upto the desired depth / level aquifier level to achieve desired yield output.

Yield test for the bore well with mechanical V. notch system by continuously run of borewell for minimum 6 hours to determine safe/regular pumping/water yield including making necessary arrangements. Note:- Necessary T&P for V.notch system to carryout yield test shall be arranged by the contractor at the site within quoted rates.

M&L for lowering of MS casing pipe of nominal bore 180 MM heavy duty ISI marked upto the depth of 30 mtr , complete all as specified and directed.

Material and labour for fixing of end Cap/Borecap suitable for casing pipe of nominal bore 200 mm dia, complete all as specified and directed.

M&L for fixing of M.S holding clamp split type in two halves necessary nut bolt and washers of suitables size and length using M.S flat of size 50 mm x 10 mm. Note:- Necessary PCC around casing pipe and placing holding, complete all as specified and directed.

Supply and install submersible pump, electric driven, 415 volt, 3 phase suitable for 200/250 mm dia borewell (casing pipe size 200/250 mm) complete for 5 WHP of head range 100 m to 150 m and discharge range 150 L/min to 245 L/min.

S&F PVC insulated submersible cable water proof flat type 3 core with stranded copper conductor cable, 6 Sqmm, 1100 Volts grade inculding cable lugs/joints, connection to submersible motor and other end to aluminium amoured cable including jointing, complete all as specified and directed.

M&L GI flange joints with rubber gasket of 3 mm thick chemically treated compressed including suitable size bolts, nuts and washer, complete as directed of 50 mm dia, complete all as specified and directed.

S&F of steel rope in submersible bore wells from motor to top edge of the bore well of size 6 mm dia (Multi wire stainless steel) for holding of submersible pump motor set, complete all as specified and directed.

S&F tubes galvanised Heavy class with flanged end complete with all fittings laid in boreholes of size 50 mm bore complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60x60cm x 6mm thick, buried directly in ground (eath pit not less than 2.25 metres deep below groung level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion.

Excavation in trenches not exceeding 1.5 wide and not exceeding 1.5 mtr in depth in soft/loose soil for laying of pipes and getting out complete, all as specified and as directed.

Returning, filling in and including spreading, leveling, watering and well ramming in layers n.exc 25 cm thick complete, all as specified and directed.

Removing excavated surplus materials to a distance not exceeding 50 Mtrs and deposited where directed at a level not exceeding 1.5 Mtr. Above the starting point complete, all as specified and directed.

S&F GI tubing medium grade ISI marked including all fittings laid in trenches of size 40 mm bore complete, all as specified and directed.

S&F GI tubing medium grade ISI marked including all fittings laid in trenches of size 25 mm bore complete, all as specified and directed.

S&F of Gun-metal globe or gate valves with iron wheell head screwed both ends for iron pipe and fixed of size 40 mm dia complete, all as specified and directed.

S&F of Gun-metal globe or gate valves with iron wheel head screwed both ends for iron pipe and fixed of size 25 mm dia complete, all as specified and directed.

S & Laying XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross sectional area 16 sq. mm 4 core, complete all as specified and directed.

M&L for construction of brick masonry valve chamber of size 600mmx600mmx600mm (Internal dimension) including necessary excavation and earth work in any type of soil angle iron frame MS Sheet cover with locking arrangements including paint two coats of synthetic enamel pain over a coat of red oxide primer, complete all as specified and directed.

M& L for Ground water surveying for borewell and providing investigation report having flowing data with VES configuration, brief geology of the area, depth of static water table, and result of VES through CGWB/CMPDIL/any certified central government recognised consultant all as sepecified and directed.

M & L Plain cement concrete 1:4:8 type D-2 using 40mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and directed.

M & L brick work with sub class ‘B’ old sized bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1:6

M&L three coat of white wash on newly prepared surfaces on wall /ceiling, etc complete all as specified and as directed.

M & L PCC 1:5:10 type E2 (40 mm graded aggregate) as in foundation filling and mass concrete.

M&L PCC 1:2:4 type B1 using 20 mm graded stone aggregate as in leveling& sub base course in floor and mass concrete complete all as specified and as directed.

M&L broken stone or boulder hardcore of gauge n exc. 63mm, deposited, spread and leveled in layers n exc. 15cm thick, watered and rammed to a true surface.

M & L 75 mm thick PCC 1:3:6 type C2 (40 mm graded stone aggt)as in plinth protection/foot path etc. finished even and smooth without using extra cement as specified and as directed.

M&L for rendering 15mm thick in cement mortar 1:4 with water proofing compound 2% by wt of cement, finished even and smooth withot using extra cement in sunken portion complete all as specified. Note:- WPC shall be measured and paid separately

Supply only integral water proofing compound.

S&F 2000 Ltrs capacity rotational moulded polythene water storage tanks in two layer cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Pt-I

S&F for Gun-metal, globe or gate valves 20mm, with iron wheel head, screwed both ends for iron pipe etc comlete all as specified and directed .

M&L RCC Type A1 1:1/2:3 (20mm graded aggregate) nominal mix over slabs surrported on walls, beams and columns in floor, roofs, landing, balconies, canopies, deck slabs and in shelves and the like

Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping)

Formwork to edges of concrete flats, concrete railings, floor and roofs slab n exc 20 cm wide and sides of RCC/PCC bands in walls, horizontal or sloping and similar work exc 10cm but n exc 20cm wide

M & L TMT bars 10mm dia and over cut to length bent to shape required including cranking and bending etc and binding with MS wire (annelaed) not less than 0.9mm dia or securing with clips..

M&L Mild steel TMT bar bars6 to 8 mm dia and over upto and including 10mm dia in stirrups, spacers and binders incl. crancking,bending, placing & binding with MS wire (annealed) not less than 0.9 mm dia complete.

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