SPECIAL REPAIR FOR REPLACEMENT OF BOREWELL AT PUMP HOUSE NO. 04 AGAINST BER AT FAIZABAD UNDER GE FAIZABAD.

Amount

M&L for trial bore of 250mm dia upto 200 m depth below ground level in any kind of soil strata including hard stone/boulder by means of reverse/direct rotary method etc complete all as specified and directed by Engineer-in-Charge.

M&L for reaming of the bore in Sl No. 1.00 here in before for a total tube well size of 675mm/525mm as specified below existing ground level by reverse/direct rotary method etc. as under :-

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

Exceeding 60m but not exceeding 200m depth of reaming 525mm size complete all as specified and directed by Engineer-in-Charge.

Supply and assembling including jointing lowering and fixing in position plain mild steel sheet ERW casing pipe 300mm bore of wall thickness 10mm conforming to IS 4270-1995 revised pipe jointed and welded with coupler rings welding shall be done through out circumference of the pipe and coupler rings both side complete all specified and directed by Engineer-in-Charge. Make of pipe :- JINDAL/TATA/SAIL. Note :- Length of pipe shall not be less than 6.0m except where pipe length required less than 6.0m.

All as per item No. 3.00 here in before but assembling, jointing plain mild steel sheet ERW casing pipe 200mm bore of wall thickness 8mm conforming to IS 4270-1995 revised and lowering and fixing in true vertical position complete all as specifed and directed by Engineer-in-Charge.

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

S&F mild steel reducing socket 300mmx200mm including welding MS strip 40mmx6mm (02 Nos) on each joint extended 75mm on each side complete all as specified and directed by Engineer-in-Charge. Note :- The wall thickness of the socket side shall not be less than 10mm.

S&F ERW mild steel bail plug 200mm, 8mm thickness, 1m long as per IS-4270, 1995 revised compete all as specified and directed by Engineer-in-Charge.

S&F well cap for 300mm size and 8mm thick mild steel sheet threaded and similar to housing pipe compete all as specified and directed by Engineer-in-Charge.

S&F mild steel centering guide made out of 40mmx6mm mild steel flat iron made to shape compete all as specified and directed by Engineer-in-Charge.

S&F 04 Nos mild steel iron 150mmx16mm (i.e. 6" x 5/8") size clamp for holding 300mm bore housing pipe compete all as specified and directed by Engineer-in-Charge.

M&L for packing pea gravel of size 2mm to 4mm of natural shape brought direct from river bed and packing around the assembly of borewell including 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.

Developing of the borewell 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.

S&F strata sample box with glass cover 3mm thick having internal dimension 1000mmx600mmx100mm seasoned shisham wood with hinges, haps and staple including polishing complete duly compartmentlised for each strata sample obtained from every 03m apart with samples taken at verious depth met in boring kept in 200gm 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 all as specified and directed 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.

M&L for cast iron sluice valve 150mm PN 1.6 with brass spindle and iron wheel including gasket, bolts and nuts for fixing complete all as specified and directed by Engineer-in-Charge.

Taking up old sluice valve 150mm bore complete all as specified and directed by Engineer-in-Charge.

M&L for cast iron non return valve 150mm including gasket, bolts and nuts for fixing and taking out of old valve complete all as specified and directed by Engineer-in-Charge.

M&L for foundation of borewell by means of brick work concrete plastering etc as under :-

(a) Brick work around the borewell by half brick wall two no's one at a radius of 200mm from housing pipe and another at a radius of 450mm from housing pipe hight of wall 600mm below ground level and 300mm above the ground level including inside & outside randering 15mm thick in CM 1:4 complete all as specified and directed by Engineer-in-Charge.

(b) PCC 1:1.5:3 type B-1 with 20mm graded stone agreegate filling in between two half brick work and 50mm thick copping over top of brick /PCC work including finishing and rendering 15mm thick in CM 1:4 etc complete all as specified and directed by Engineer-in-Charge.

Potability of water tesing by competent authority as per IS 10500 for drinking water complete all as specified and directed.

Supply only flat three core 1100 V grade submersible cable PVC insulated and sheathed multistranded copper conductor of cross sectional area 16 Sqmm of make : Havels/Polycab or other specified make complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth for foundation etc or for lying pipe line submersible cable and forming bottom etc, not exc 1.5m in depth and getting out in soft/ loose soil complete all as specified and directed.

Taking down old submersible cable (100 RM), lifting of submersible pump (01 No.) with old column pipe (39 RM) and lowering the submersible pump with new submersible cable & new column pipe, connecting complete all as specified and directed. Note :- (i) New submersible cable and column pipe with fitting will be measured and paid separately as supply only under respective item of this sch 'A'. (ii) Old serviceable submersible pump obtained from desmanlting will be reused in this item.

Returning, filling in, trenches including spreading, levelling, watering and well ramming in layers not exc. 25cm each layer soft/ loose soil complete all as specified and directed.

Removing surplus excavated soil to a distance n.exc. 50m and depositing where directed as a level n.exc 1.5m above the starting point complete all as specified and directed.

Taking up cement pipe/CI water mains (including all fittings) of size 150mm bore complete all as specified and directed. Note :- Excavation & earth work shall be measured and paid seperately.

M&L for ductile iron S/S pipe class K-9 of size 150mm dia including jointing with rubber gasket laid in trenches or under floor/road complete all as specified and as directed. Note :- Excavation & earth work shall be measured and paid seperately.

M&L for ductile iron both end flanged pipes class K-9 of size 150mm bore ISI marked on brick pillars including gasket, bolts and nuts, for fixing complete all as specified and as directed.

M&L for DI fittings for flanged/spigot socket pipes bends (any type, radius and angle) tapers any type (straight, bend, increasing, decreasing or double socket etc) Tee, pieces, single branch 'Y' juction double, cross (all sockets or socket and spigot) collar, caps, plugs, venturay (for bleaching powder dozer connection), housing etc upto 150mm bore complete all as specified and as directed. Note :- Excavation & earth work shall be measured and paid seperately.

M&L for construction of valve pit chamber of size 1050mm x 1050mm x 1050mm (internal dimension) complete including excavation and earth work, PCC 1:4:8, type D-2 (using 40mm graded crushed stone aggregate), brick work in cement mortar (1:6), plastering in cement mortar (1:4) (internally) and including 3mm thick mild steel sheet cover and painting with two coat of synthetic enamel paint over a coat of red oxide primer including desmantling of old valve pit complete all as specified and directed.

M&L for construction of valve pit chamber of size 950mm x 950mm x 950mm (internal dimension) complete including excavation and earth work PCC 1:4:8, type D-2 (using 40mm graded crushed stone aggregate), brick work in cement mortar (1:6) plastering in cement mortar (1:4) (internally) and including 3mm thick mild steel sheet cover and painting with two coat of synthetic enamel paint over a coat of red oxide primer including dismantling of old broken/damaged valve pit complete all as specified and directed.

S&F GI pipe light grade galvanised with all fitting, laid in trenches of size 80mm bore for protection of submersible cable complete all as specified and directed.

Supply only mild steel ERW (Electro Resistance Welded) pipe with flanged ends suitable for column pipe of bore dia 150mm, 8mm wall thickness including gasket, bolts and nuts for fixing complete all as specified and directed.

M&L for supporting structure for pulley above the borewell with two nos brick pillar (0.5x0.5x6.5m) 5m above ground and 1.5m below ground (covered by 20mm graded stone aggreegate PCC) with 180x100 ISMB 4.5m in length and PCC 1:2:4 type B-1 with 20mm graded stone agreegate PCC bed around borewell for lowering and lifting of submersible pumps complete all as specified and directed by Engineer-in-Charge.

Supply & fixing flat three core 1100 V grade submersible cable PVC insulated and sheathed multistranded copper conductor of cross sectional area 16 Sqmm complete all as specified and directed by Engr-in-Charge. Make : Havels/Polycab or equivalent as approved by GE.

JAI MAA VINHYAVASANI CONSTRACTION CO

Rajkaran Tubewells

A ONE ENGINEERING COMPANY

His And Her Enterprises