SPECIAL REPAIR/REPLACEMENT OF BER BOREWELL OF PUMP HOUSE NO. 03 AT NEW CANTT ALLAHABAD UNDER GE (WEST) ALLAHABAD.

Amount

Trial borewell of 250mm dia size pilot bore through any soil strata including hard stone/boulder by means of direct rotary method below ground level complete all as specified and directed by Engineer-in-Charge.

Drilling reaming vertical bore 610mm dia at approved site/location in any type of strata for 300 ERW casing pipe for various depth as shown below including all works pertaining to boring complete in all respects as specified and directed. Note :- Reaming upto 610mm dia for 70 mtr depth from ground level for casing pipe 300 mm dia.

All as per item No. 2.00 above but for reaming upto 610mm dia for exceeding 70mtr but not exceeding 200 mtr for casing pipe of 200 mm dia.

All as per item No. 2.00 above but for reaming upto 610mm dia for exceeding 200mtr but not exceeding 250 mtr.

Supply and assembling including jointing, lowering and fixing in position ERW plain steel pipe (seamless) housing pipe 300 mm bore (nominal dia ) 8 mm thick and outer dia of pipe 322 mm conforming to IS-8110-2000 class 8.1.1 plain end pipe jointed and welded coupler ring (welding shall be done throughout circumference of the pipe and coupler ring both sides all as specified and directed by engr-in charge. Make :- Jindal/Tata/ Zenith. Note :- (a) Length of pipe shall not less than 2.40 mtr except where the pipe length required is less than 2.40 mtr (b) Effective length shall only be measured and paid.

All as item No. 5.00 above but supply assembling jointing ERW plain steel pipe (seamless) casing 200 mm bore 8 mm thick and outer dia of pipe conforming to IS-8110-2000 complete and lowering and fixing position after socket reducer of 300x200 mm bore complete all as specified and directed by engr-in -charge.

S&F MS strainer (slotted) pipe V wired 200 mm bore 8 mm thick conforming to IS-8110-2000 fabricated with pipe slote of size 1.55 mm x75 mm as per IS provision uniformly distributed on the surface complete all as specified and directed by engr-in -charge.

Supply and fix Mild Steel reducing socket 300 mmx200 mm dia of suitable length including welding mild steel strip 40x6 mm 2 nos on each joint extended in 75mm on each side complete all as specified and directed. Note : - The wall thickness of socked shall not be less than 7 mm thick

S&F wrought iron bail plug 200 mm bore complete all as specified and directed.

S&F well cap for 320 mm dia housing pipe complete all as specified and directed.

S&F mild steel centering guide made out of 50mmx6mm mild steel flat iron made to shape compete all as specified and directed.

S&F 2 Nos MS flat iron 150 mmx15 mm housing clamp for holding to 300 mm dia housing pipe with 16 mm MS bolt& washers including casting of PCC block 1:2:4 type B-1( using 20 mm graded stone aggregate) of size 1.20 mx1.00 m including 50 mm dia MS pipe 2 nos each 1.5 m long with cap plug and cap top for filling pea gravel including necessary excavation & each work in any type of soil complete all as specified and directed.

M&L for packing pea gravel of size 3 to 5 mm natural shape brought direct form river ban and packing around casing pipe to entire depth up to ground level cpmplete all as specifed and directed. Note :- Length of assembly packed only will be measured for payment

M&Lfor development of tube well by means for over pumping high velocity fittingwith 600 PSI air compressor all as specified in IS-8110-2000 para 4.3 including arrangement for equipment fitting and supply of sodium hepta sulphate 60 KG complete all as specifed and directed

All as per SI item No. 14.00 above but by means of over pumping for subsequent hours untill clear discharge as per clause 9.3 of IS 2800 (part-I) 2009 complete all as specified

Supply only strata sample box with glass cover 3mm thick and having internal dimension 1.0 mtr * 0.60 mtr * 0.10 mtr made out of shisham plank 20 mm thick with hings, hasp and staples including polishing complete with samples at various depth met at the time of boring including strata chart in duplicatecoplete all as specified and directed.

Chemical bilogical and potability testing of water sample taken from the bore at Govt approved laboratories. Complete all as specifed and directed. Note:- Test Certificate obtained from approved lab will submitted by the contractor in orginal

Yield testing for borewell by continuously pumping for 16 hours to determine safe pumping yield of the tube well complete all as specified and directed.

Electric logging in trail bore perecise delineation of granular zones and also the quility of ground water including report interpretation complete all as specifed and directed. Note :- (a) Electric logging shall be carried out by approved agency. (b) Unit rate quoted by tenderer shall be deemed to be inclusive of cost of MS pipe and transportatio of ring accessories as required, developing and testing etc at site of work and removl of the same on completeion from the site including necessary supervison and rental charges of rig machine compressor & OP unit (any other T&P not specifically mentioned) and no extra payment shall be admissible on this account

S&F discharge head body cast iron with air release valve suitable to connecte column pipe of rising main flanged and column pipe or submiersible pump set complete with nut bolt washer etc including grouting four bolts on pcc plateforms complete and specified and directed. Note: - PCC Plate form will be measured and paid speratioly

Supply lowering, jointing and testing MS black column pipe 3 mtr longh heave dutiy 150 mm bore wall thickness 5.4mm both ends flanged with heaviy duty MS fanged not less than 16mm screwed and welded in side and outside. The flanged end making surface shall be smooth including welding of 04 strip of 5.04mm thick 25mm wide and 50mm long covering pipe and flanged both end flanged having 08 Nos predrilled hole not less than 16mm including runbber gasket nut bolts and washers, pipe should be duly painted with anti corrosive paint complete all as specifed and directed

S&F jointing and testing of cast iron non return valve 150mm dia flanged ends as per SI-5312 (ISI Marked) complete with washers nuts/bolts and rubber gasket complete all as specified and directed

M&L for construction of brick masonory valve pit chamber of size 1050x1050x1050mm (internal dimensions) including PCC, brick work and 3mm thick MS sheet cover, MS frame of angle iron size 40x40x6mm around valve pit, locking arrangement with pad lock of size 50mm dia brass 6 levers with duplicate keys (make:- Godrej) and painting all steel surfaces with two coats of synthetic enamel paint over a coat of red oxide primer including dismantling of existing damaged chamber complete all as specified and directed.

Supply, installation, testing and commissioning in replacement of indoor type cubical panel board suitable for 3 phase, 4 wire, 415V, 50Hz and CPRI approved manufacturer factory fabricated with CRCA sheet not less than 3 mm thick having modern fabrication process powder coating in approved shade having thickness not less than 100 microns provided with suitable gaskit to make it dust and varmin proof and general constructions conforming to IS : 8623/93. The LT panel shall be front and back openable and duly compartmentalized for each control gears.The panel should have suitable size of aluminium Bus -bar three phase 4 wire system having current carrying capacity 400 Amps of the incomer MCCB. The panel should have the following incoming and out going controlls duly fixed with the panel by means of suitable link plates complete all as specified and as directed by Engineer -in-charge. (PCC platform of suitable size for mounting the LT Panel is deemed to be included in the quoted rate )

(i) MCCB 4, pole 35 KA with adjustable thermal setting, 415V, 160 Amp - 01 No. (ii) MCCB 4, pole 35 KA with adjustable thermal setting, 415V, 100 Amp - 01 No (iii) Star delta starter comprising suitale size of 3 pole contactors for 40 HP submersible pump with thermal over load relay complete - 01 No (iv) Motor protection relay for single phase, over load, over voltage (v) Digital Volt meter 0-500 volts (vi) Ammeter 0-500 amps with suitable size of Cts (vii) All connections to be done through suitable size PVC insulated copper cables (viii) LED RYB indicator - 01 Set (ix) MCB' TP 32 Amps 10 KA - 01 No (X) MCB SPN 32 Amps 10 KA - 01 No (xi) Single phase preventer - 01 No Make of MCCB, MCB & Contactor: L&T (MNX Series), Hagger, Siemens,

S&F in replacement of PVC insulated flat copper submersible cable heavy duty 3 core 16 sqmm 1100 Volt grade complete all as specified and directed. Make- Havells/plaza/Finolex

S&F in replacement of submersible pump with electric driven motors of capacity 45 HP 3 Phasae 415 Volt with complete instalation and making electrical connection and testing complete to eniter satisfaction of Enginer in charge

M&L for cutting jointing and making connection with 150mm dia CI existing pipe line with all fitting and making connection leak roof complete all as specified and directed.

S&F 150 mm bore sluice valve, heavy duty both ends flanged class PN-I with high tensile brass spindle cast iron head operated wheel and cap top, nuts and bolts, washers including 3mm thick rubber gasket joint including taking down old unserviceable valve complete all as specified and directed.

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m depth as in soft/ loose soil including forming of bottom surface to required level or slope for laying of CI/ GI pipe complete all as specified and directed.

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

Removing of surplus excavated material (soil) to a distance n.exc 50m and deposited where directed at a level n.exc 1.5m above the starting point complete all as specified and directed.

M&L for ductile iron pipe 150mm bore Class 'K-9' with spigot and socket ends centrifugally cast, suitable for tyton type joints, in any length, laid in trenches complete all as specified and directed.

JAI MAA VINHYAVASANI CONSTRACTION CO

AARAV CONSTRUCTION

Ambrish Builders

M/S CHANDRIKA PRASAD AND SONS