SPECIAL REPAIR FOR REPLACEMENT OF OLD UNSERVICEABLE BOREWELL AT PUMP HOUSE NO. 05 AND 01 NO SARVO VOLTAGE STABILIZER ALONGWITH 01 NO SUBMERSIBLE MOTOR PUMP SET AT PUMP HOUSE NO. 06 AGAINST BER WITH ALLIED WORKS AT AYODHYA CANTT UNDER AGE (I) AYODHYA.

Amount

M&L for trial bore of 250 mm dia upto 200 meter depth below ground level in any kind of soil strata including hard stone/boulder etc complete all as specified and directed.

M&L for reaming of the bore made vide Sl item No. 1.00 for a total tube well of size 675 mm / 525 mm as specified below by reverse/direct rotary method complete all as specified and directed by Engineer-in-Charge.

Upto 60 Mtr depth below ground level of reaming 675mm size complete all as specified and directed by Engineer-in-Charge.

Exc 60 Mtr but n.exc 200 Mtr depth of reaming 525mm size complete all as specified and directed by Engineer-in-Charge.

Supplying, assembling, jointing, lowering and fixing in position plain mild steel sheet ERW casing pipe of 300 mm dia bore with wall thickness not less than 8 mm, conforming to IS 4270 -1995 (Revised), pipe jointed and welded with coupler rings, welding shall be done throughout circumference of the pipe and coupler rings on both sides complete all as specified and directed by Engineer-in-Charge. Note :- Length of each pipe shall not be less than 6.0 m except where pipe length required less than 6.0 Mtr.

All as per Sl item No. 3.00 but casing pipe of 200 mm dia bore with wall thickness not less than 8mm, lowering and fixing in true vertical position complete all as specified and directed by Engineer-in-Charge.

Supplying, lowering, jointing, connecting & testing hot dip galvanised "V" Johnston strainer pipe with 8 mm wall thickness, jointed and welded with coupler ring, welding shall be carried out throughout the complete circumfrance of pipe & coupler ring on both sides complete all as specified and directed by Engineer-in-Charge.

S&F mild steel reducing socket 300 mm x 200 mm with wall thickness not less than 10mm including welding MS strip 40 x 6 mm (02 Nos) on each joint extended upto 75mm on each side complete all as specified and directed by Engineer-in-Charge.

S&F ERW MS bail plug 200 mm, 1.0 M long with wall thickness not less than 8mm conforming to IS 4270 -1995 (Revised) complete all as specified and directed by Engineer-in-Charge.

S&F well cap for 300 mm size made of 8 mm thick MS sheet, threaded and similar to housing pipe complete all as specified and directed by Engineer-in-Charge.

S&F MS centering guide made out of 40 x 6 mm MS Flat Iron, made to shape complete all as specified and directed by Engineer-in-Charge.

S&F MS clamp made of flat iron 150mm x 16mm & joist channel for holding 300 mm bore housing pipe and 150 mm column pipe complete all as specified and directed by Engineer-in-Charge.

M&L for packing pea gravel of size 2 to 4 mm of natural shape, brought direct from river bed and packing around the assembly of borewell incluiding filling during development upto ground level complete all as specified and directed by Engineer-in-Charge.

Developing of the tube well by air compressor of capacity not less than 300 PSI complete all as specified and directed by Engineer-in-Charge.

Developement of bore well by means of over pumping unit capacity not less than 28000 GPH for required to achieve permises sand free water obtained from bore well complete all as specified and directed by Engineer-in-Charge.

Supply only strata sample box with glass cover 3 mm thick having internal dimension 1000mm x 600 mm x 100 mm, made out of 20 mm thick well seasoned shisham wood with hinges, hasp and staple including polishing complete duly compartmentlised for each strata sample obtained from every 03 mtr apart with samples taken at various depth met in boring kept in 200 gms PVC transparent container including strata chart on pressing cloth in duplicate complete all as specified and directed by Engineer-in-Charge.

Yield testing of tube well not less than 08 Hrs to determine the safe pumping yield of tube well complete all as specified and directed by Engineer-in-Charge.

Electric logging in pilot bore to verify accurate acuifer including report in duplicate complete all as specified and directed by Engineer-in-Charge.

S&F 150 mm (6”) dia sluice valve, flanged of class 1.6 PN including necessary nuts & bolts and gasket etc for fixing complete all as specified and directed by Engineer-in-Charge.

S&F 150 mm (6”) dia reflux valve with by-pass arrangement including necessary nuts & bolts and gasket etc for fixing complete all as specified and directed by Engineer-in-Charge.

M&L for foundation of bore well by means of brick work, concrete, plastering etc as specified here in below:-

M&L for brick work around the bore well in half brick walls two Nos built in cement mortar (1:4), one at a radius of 200 mm from housing pipe and another at a radius of 450 mm from housing pipe, height of wall 600 mm below ground level and 300 mm above the ground level incluiding 10mm thick rendering in cement mortar (1:4) on inner & outer sides, finished even & fair complete all as specified and directed by Engineer-in-Charge.

M&L for PCC (1:2:4) type B-1 (using 20 mm graded stone agreegate) for filling in between two half brick thick walls and 5 cm thick in coping over top of brick walls & PCC filling incluiding fair finishing on exposed surfaces etc complete all as specified and directed by Engineer-in-Charge.

Testing of Potability of water in approved laboratory as per IS:10500 for drinking water complete all as specified and directed by Engineer-in-Charge.

Cutting of ductile iron pipe in position for inserting new tee collar branches etc including dewatering of residual water in pipes for 150 mm bore of pipe complete all as specified and directed by Engineer-in-Charge.

S&F 150mm dia bore Ductile Iron pipe with flanged ends, class K-9, ISI marked, centrifugally cast class `B', laid in trenches or under floor/ road or fixed over brick pillars including gasket, nuts & bolts for jointing complete all as specified and directed by Engineer-in-Charge.

S&F DI fittings for flanged/ Spigot socket pipes such as bends (any type, radius and angle), tapers of any type (straight, bend, increasing, decreasing or double socket etc), Tee, pieces, single branch 'Y' juction, double cross (all sockets or socket and spigot), collars, caps, plugs, ventuary (for bleaching powder dozer connection), housing etc up to 150 mm bore complete all as specified and directed by Engineer-in-Charge. Note:- Excavation and earth work shall be measured and paid for separately.

Demolition of existing valve chamber of any size and construction of new valve pit masonary chamber of internal size 1050x1050x1050 mm including replacement of chamber cover made of 8mm thick MS plate with fixing arrangements, 50 mm size lock - 01 No. and painting with two coats of synthetic enamel paint over a coat of red oxide primer including all necessary excavation in any type of soil, earth work, PCC, plaster etc complete all as specified and directed by Engineer-in-Charge.

S&F 80mm dia bore GI pipe, light grade with all fittings, laid in any position for protection of submersible cable complete all as specified and directed by Engineer-in-Charge.

S&F three core submersible flat cable PVC insulated and sheathed multistranded copper conductor of cross sectional area 16 sqmm including taking out of old cables by lifting of submersible pump with column pipes and lowering the same after replacing the cable complete all as specified and directed by the Engineer-in-Charge.

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth for laying submersible cable in soft/loose soil, taking out excavated material, forming bottom etc complete all as specified and directed by Engineer-in-Charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25 cm in soft/loose soil complete all as specified and directed by Engineer-in-Charge.

Removing excavated material (soil) at a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point complete all as specified and directed by Engineer-in-Charge.

M&L for supporting structure for pulley above the borewell for lowering and lifting of submersible pumps with two Nos RCC columns of size 0.50x0.50x 6.00m (4.50m above ground level and 1.50m below ground level) in RCC (1:2:4) type B1 (using 20mm graded stone aggregate) reinforced with 08 Nos 16mm dia TMT bars in each column with 'L' bend at bottom & top of each bar (mini 300mm) & 8mm dia stirrups at 150mm C/C with column footing of size 1.20mx1.20mx 0.20m (minimum) with bottom mesh using 16 mm dia TMT bars at 150mm C/C both ways including 150mm thick lean concrete (1:4:8) type D2 (using 40mm graded stone aggregate) in foundation, formwork for smooth finished concrete surfaces and two coats of cement base paint, with & including 4.50m long ISMB of size 180x100 mm embeded in columns at top, painted with two coats of synthetic enamel paint over one coat of red oxide primer and 50mm thick PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) as in flooring laid over 75mm thick sub base in PCC (1:4:8) type D2 (using 40mm graded stone aggregate) around borewell covering both the columns (approx size 6.00mx3.00m) inclding all necessary earth work etc complete all as specified and directed by Engineer-in-Charge.

S&F Manual Chain Pully Block with guide capacity 2 ton 4.5 mtr lift suitable for submersible pump set of 25 to 45 HP complete all as specified and directed by Engineer-in-Charge.

S&F Lifting Chain suitable for submersible pump set of 25 to 45 HP complete all as specified and directed by Engineer-in-Charge.

Lifting, lowering, connecting, testing and commissioning of submersible set of any make and capacity 25 to 45 HP, 3 phase, 415 Volts from bore well 300mm / 200mm at PH No. 05 & 06 with connected items such as column pipe approx 40 RM, properly connecting submersible cable etc complete all as specified and directed by Engineer-in-Charge. Note:- (i) All types of T&P, chain pulley & tripod etc as required at site shall be arranged & provided by the contractor and the cost of the same shall be deemed included in the quoted rate.

Supply, installation testing & commissioning of Submersible pump set with stainless steel impeller, electric driven 415 Volt, having discharge 1200 LPM or 72 Cum/Hr at head range 65-85 mtr with motor of capacity not less than 33 HP alongwith suitable head reducer for coupling with column pipe including taking out old pump from deep well along with lifting and lowering of connected accessories such as column pipe of 150mm dia approx 30 m, submersible cable, steel pipe, spider, sleeve, line shaft, nut, bolts etc complete all as specified and directed by Engineer-in-Charge. Note:- (i) All types of T&P, chain pulley & tripod etc as required at site shall be arranged & provided by the contractor and the cost of the same shall be deemed included in the quoted rate.

Supply, fixing, testing and commissioning servo motor operated voltage stabilizer for automatic operation, three phase, naturally oil cooled, indoor type & designed for input variation between 300 to 480 Volt with output voltage stabilized at 415 Volt with accuracy ± 1 % and speed of correction 8-10 Volts per second and of capacity 50 KVA complying with IS:9815,2026 & IS:335 including inbuilt bypass arrangement of Make : Servostar, Vinitec or equivalent in Powerware/ ITE Indian transformer as approved by GE including shifting of servo stabilizer from butchery in golf area to E/M store yard including making of foundation surface in such a way to accomodate new stabilizer as per site reqiurement complete all as specified and directed by Engineer-in-Charge.

Dismantling old existing earthing of any description and M&L for new earthing complete with galvanized steel plate elecrode of size 60 cm x 60cm x 6.0 mm thick burried directly in ground vertically to a depth not less than 2.5 mtr below the ground level with top edge of earth plate at a depth not less than 1.5 mtr below ground level. Earth plate surrounded by 15mm thick packed alternative layers of charcoal dust and comman salt, earth lead GI strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanised iron with thimbles. The other end of GI strip is connected to main switch board and protected by 15mm dia bore light grade GI pipe, provision of 20mm dia bore light grade GI pipe for watering including GI funnel and wire mesh. Pipe shall be provided vertically upto top level of earth pit and then taken horizontally to the equipment. Cement concrete chamber of PCC (1:3:6) type C-1 (using 20 mm graded stone aggregate).The chamber shall be constructed one metre away from edge of earth pit with 50 mm thick precast cover of cement conrete (1:2:4) type B-1 (using 20 mm graded stone aggregate) including all necessary excavation in soft / loose soil, returning filling and removal of surplus soil to a distance of 50 mtr as directed and shown in Electrical Plate No. 3 of SSR-2009 Part-I complete all as specified and directed by Engineer-in-Charge.

Disconnecting old existing cable and supply, laying and testing 50 Sqmm 3.5 core cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable (heavy duty) 1100 Volts grade with stranded aluminium conductor for connection to existing panel with new stabilizers and DG sets in the existing trench (Note: excavation is not required) alongwith all as specified and directed by Engineer-in-Charge.

S&F in replacement, On load Changeover 4 pole 100 Amp, 415 Volt, in sheet steel enclosure type all as specified directed by Engineer-in-Charge.

disha construction

A ONE ENGINEERING

M/S Garg Sons

M/S CHANDRIKA PRASAD AND SONS

Ambrish Builders

M/S JAGANNATH SASMAL