Repair to external water supply and pumping sets with connected works at AF Stn Bikaner under GE (AF) Nal

Amount

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr wide and not exceeding 1.5 Mtr deep and getting out, forming bottom surfaces to required gradient complete all as specified and directed.

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

Removal of surplus soil to a distance not exc. 50 metre and depositing where directed at a level not exc. 1.50mtr above the starting point complete all as specified and directed.

Taking up or down steel tubing and connections of size 15mm bore including cleaning for re-fixing or removal complete all as specified and directed. Note : Excavation and earth work shall be measured and paid separately under respective items of this Schedule as per authorised width . Nothing extra shall be paid on account of extra width excavated at site.

All as per item No. 4.00 here-in-before but 20mm bore tubing.

All as per item No. 4.00 here-in-before but 25 mm bore tubing.

All as per item No. 4.00 here-in-before but 40mm bore tubing.

All as per item No. 4.00 here-in-before but 50mm bore tubing.

All as per item No. 4.00 here-in-before but 80mm bore tubing.

All as per item No. 4.00 here-in-before but 100mm bore tubing.

All as per item No. 4.00 here-in-before but 150mm bore tubing.

Taking up 80mm bore dia cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as specified and directed. Note : Excavation and earth work shall be measured and paid separately under respective items of this Schedule as per authorised width . Nothing extra shall be paid on account of extra width excavated at site.

All as per item No. 12.00 here-in-before but 100mm bore pipe.

Fixing only steel tubing and connections in new or old position (Trenches, Walls, ceiling, floors, etc.) GI pipe 15 mm bore including providing required new GI specials / fittings complete all as specified and directed. Note:- (i) Old serviceable pipe obtained by taking out under respective item of this BOQ shall be re-used. (ii) In case any new fitting is required, the same shall be arranged by contractor at his own cost and nothing extra shall be admissible on this account.

All as per item No. 14.00 here-in-before but 20mm bore tubing.

All as per item No. 14.00 here-in-before but 25mm bore tubing.

All as per item No. 14.00 here-in-before but 40mm bore tubing.

All as per item No. 14.00 here-in-before but 50mm bore tubing.

All as per item No. 14.00 here-in-before but 80mm bore tubing.

All as per item No. 14.00 here-in-before but 100mm bore tubing.

All as per item No. 14.00 here-in-before but 150mm bore tubing.

Laying only 80mm bore cast iron pipes with spigot and socket ends centrifugally cast, Class LA, in any length, laid in trenches complete all as specified and directed. Note:- (i) Old serviceable pipe obtained by taking out vide respective item of this schedule shall be used. (ii) Fittings / joints shall be measured and paid for separately under respective item of this Schedule.

All as per item No. 22.00 here-in-before but 100mm bore CI Pipe.

Supply and laying steel tubing galvanised, medium grade, 15mm bore laid in trenches / floors or fixed to walls including required GI specials / fittings complete all as specified and directed.

All as per item No. 24.00 here-in-before but 20mm bore tubing.

All as per item No. 24.00 here-in-before but 25mm bore tubing.

All as per item No. 24.00 here-in-before but 40mm bore tubing.

All as per item No. 24.00 here-in-before but 50mm bore tubing.

All as per item No. 24.00 here-in-before but 80mm bore tubing.

All as per item No. 24.00 here-in-before but 100mm bore tubing.

All as per item No. 24.00 here-in-before but 150mm bore tubing.

Supply and laying 80mm bore cast iron pipes with spigot and socket ends centrifugally cast, Class LA, in any length, laid in trenches complete all as specified and directed. Note:- (i) Fittings / joints shall be measured and paid for separately under respective item of this Schedule.

All as per item No. 32.00 here-in-before but 100mm bore pipe.

M&L run lead joint for 80mm bore CI spigot / socket end pipe including burning out old and US lead joint all as specified & directed.

All as per item No. 34.00 here-in-before but for 100mm bore pipe.

S&F as in repairs Detacheable joint for 80mm bore CI/DI/GI pipe including rubber joints, nuts, bolts, gaskets & washers & testing complete all as specified and directed.

All as per item No. 36.00 here-in-before but for 100mm bore pipe.

All as per item No. 36.00 here-in-before but for 150 / 200mm bore pipe.

M&L Cutting the existing GI pipe line upto 25mm bore and taking out branch connection incl providing fittings such as bend, tee, nipple, union etc. complete all as specified and directed. Note :- (i) Excavation and earth work shall be measured and paid for separately. (ii) Unit rate of this item includes the cost of fittings.

All as per item No. 39.00 here-in-before but 40 / 50mm bore pipe.

All as per item No. 39.00 here-in-before but 80 / 100mm bore pipe CI/ GI/ DI.

All as per item No. 39.00 here-in-before but 150mm bore pipe CI/ GI/ DI.

S&F as in repairs Gun Metal, globe or gate valve, with iron wheel head, screwed both ends for iron pipe and fixed 15mm bore complete all as specified and directed.

All as per item No. 43.00 here-in-before but 20mm bore.

All as per item No. 43.00 here-in-before but 25 mm bore.

All as per item No. 43.00 here-in-before but 40 mm bore.

All as per item No. 43.00 here-in-before but 50mm bore.

Supply and fixed in repairs, installation and testing of cast iron sluice valve, of size 80 mm bore, Class - I, ISI marked conforming to IS 14846, long body type, Pressure type PN 1.6, flanged ends and drilled having stainless steel spindle with iron head wheel at the top complete with nuts, bolts, washers, rubber gasket and jointing complete all as specified and directed.

All as per item No. 48.00 here-in-before but size of sluice valve 100 mm bore

All as per item No. 48.00 here-in-before but size of sluice valve 150 mm bore

Material and labour construction of brick masonry valve pit size 60cmx60cmx60cm (internal size of chamber) for gate valve upto 50mm dia, depth of chamber to be reckoned from the top of PCC in foundation to the top of MS cover with and including 3mm thick MS sheet and frame of angle iron 40mmx40mmx 6mm with fixing arrangement, hinges and locking arrangement and two coat of synthetic enamel paint over a coat of red oxide primer on MS cover and frame including necessary excavation and earth work in any type of soil, returning filling in approved soil, removal of surplus soil to a distance not exceeding 50 Mtrs where directed, 150mm thick PCC 1:4:8 type D-2 using 40mm graded stone aggregate as in foundation, brick work in cement mortar 1:6 and 15mm thick plastering in CM 1:4 to brick/concrete surfaces of walls, 100 mm thick PCC 1:2:4 type B-1 as in copping complete including dismantling of damaged valve pit all as specified and directed.

All as per srl item No. 51.00 here-in-before but size 90cmx90cmx90cm for Sluice Valve 80mm to 100mm bore complete all as specified and directed.

All as per srl item No. 51.00 here-in-before but size 105cmx105cmx105cm for Sluice Valve 150mm bore complete all as specified and directed.

M&L CI specials / fittings of any size / shape such as bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugsall as specified & direcetd.

Taking out carefully submersible pump & motor set of 20/25 HP of any Make from the tube wells, lowered at a depth of 90 to 110 metre from the ground level with 80 mm bore, flanged column pipe, in lengths of 6 metre each jointed with flanges, nuts and bolts and two Nos submersible cable of size 10 Sqmm 3 core, running along the column pipe and stacking column pipe complete & transportation the motor & pump to workshop for repair at Bikaner from Air Force Station Bikaner & vice - versa complete all as specified and directed. NOTE- The unit rate quoted above shall be deemed to include the following :- (i) Disconnecting carefully the electric connections of submersible cable from the starter and motor pumps. (ii) Disconnecting carefully connection of delivery pipe from the Non return valve and sluice valve. (iii) Disconnecting cable connections of submersible cable from motor pumps (iv) Electric operated chain pulley and other necessary T&P will be arranged by the contractor. (v) Lowering of pump & motor shall be measured and paid for separately.

Lowering of submersible pump motor set into the bore well including lowering of 35 to 40 Nos of flanged column pipe, 80 mm bore, 6 metre long each, jointing the flanged joints with double rubber flanges, ISI marked for each joint including replacement of rusted/damaged MS nuts, bolts & washers of size 12mm dia x 50 mm long , properly fixing of 2 Nos submersible cable along with flanged pipe and making water proof joints between the lead of pump/motor set and sealing cable with the help of insulating material such as PVC insulating taps, patch roll, adhesive solution etc and making electric connections of cable to starter and testing of submersible pump motor for proper working complete all as specified and directed. Note :- Unit rate quoted above shall be deemed to include the following :- (i) Connection of delivery pipe with sluice valve and non return valve and replacement of rubber packing and its nuts, bolts and washers for each flanged joints. (ii) Electric operated chair pulley and other necessary T&P will be arranged by the contractor

M&L Dismantling of unserviceable submersible motor 20/25 HP of any make, strip opening and taking out from rotor carefully, cleaning the rotor and stator, taking out burnt stator winding from the stator without damage to stator slots, rewinding of submersible motor by water proof PVC insulated solid copper conductor (Wire) incl providing insulating Mica paper in stator slots, supply & fixing the thrust plate after opening the shaft, assembling the motor thrust plate etc, incl replacement of worn-out parts, testing of motor wiring for specified RPM and full discharge of water after coupling with submersible pump complete all as specified and directed. Note :- Contractor shall give gurrantee of two year for rewinding of motor in any condition. Unit rate quoted above shall be deemed to include the same.

Dismantling and strip opening of submersible pump multistage coupled with 20/25 HP submersible motor of any make, segregating of serviceable/unserviceable parts, cleaning of serviceable parts, assembling pump carefully including replacement of worn-out parts, nut and bolts etc., grinding and polishing of shaft for fixing of bushes neckering bushes, making proper size of keys for fixing of impeller etc, getting coupled to the pump with motor, testing for rated discharge of water including transportation to the site for lowering complete all as specified and directed. Note:-- (i). The unit rate quoted above shall be deemed to include only the fixing/ sevicesing of parts.(ii). Any parts / spares required to make it fully functional shall be measured and paid for separately under relevant item as supply only.

Supply only following spares for fixing in submersible pump electrically driven 600 LPS multistage at 120 metre head and of existing make and brand:-

Stage casing (Cast iron)

Bronze / gun metal impeller with key

Pump shaft

Neck ring for impeller

Guide bush

Bearing bush (Upper / lower)

M&L Dismantling of unserviceable monoblock / Centifugal pump set, with motor for 20/25HP, strip opening and taking out or rotor carefully, cleaning of rotor and stator, checking the rotor bearings, pump bearings, gaskets, impeller keys, terminal plate, gun metal bushes, cooling fan blades, windings etc., re-assembling the motor including replacement of studs with nuts, retesting of motor winding and motor for full RPM and full discharge water after coupling with pump set complete all as specified and directed. NOTE- (i). The unit rate quoted by the contractor shall also include the cost of removing the motor and pump set to perform the works mentioned in this item. (ii) Any parts / spares required to make it fully functional shall be measured and paid for separately under relevant item as supply only.

M&L taking out burnt stater winding without damaging stator body of 20/25 HP motor, rewinding the electric motor with super enamelled copper conductor (wire) including providing mica paper etc in stator slots, PVC sleeves, varishing the winding complete all as specified and directed. NOTE:- The unit rate quoted shall also the cost of winding wire and taking to workshop and vise versa. (ii) Contractor shall give gurrantee of two years for rewinding of motor in any condition. Unit rate quoted above shall be deemed to include the same.

Supply only following spares for fixing into monoblock / Centifugal pump set, 1400 LPM at 51 Mtr Head directed coupled with 3 phase 20/25 HP 415 volts electric motor of existing Make and brand if not spcifically specified:-

Terminal plate (for motor)

Ball bearing 6307, Make : SKF/NBC

Gun metal bush

Rubber seal

Neck ring for impeller

Plastic cooling fan

Gun metal impeller with Key

Supply in replacement of column pipe MS/GI 80mm bore, 6 metre long each, ISI marked 'C' class, heavy duty medium grade, flanged on both ends, flange cut to pass submrsible cable complete all as specified and directed.

Supply and laying as in repairs submersible cable 10sq mm 3 core heavy duty suitable for submersible pump set complete all specified and directed.

Supply and fixing as in repairs cast iron foot valve of size 100mm in position complete all as specified and directed.

Supply and fixing as in repairs non return valve 80mm size, in position including jointing centrifugal motor such as nut bolts etc. complete all as specified and directed.

Supply and fixing as in repairs non return valve 100mm size, in position including jointing motor pump set / sunction pipes such as nut bolts etc. complete all as specified and directed.

Supply and fixing as in repairs non return valve 150mm size, in position including jointing with header / sluice valve such as nut bolts etc. complete all as specified and directed.

S&F fully Automatic star delta motor starter type MUG with SPP features suitable for 20/25 HP submersible pump with relay range 20-42 A, 3 phase, 415 volts complete all as specified and directed. Make L&T. cat part No. SS 95975.

M&L painting surfaces of set of pump & motors with GI pipes off sizes upto and including header with two coats of anti rust, non corrosive epoxy paint (Blue/ Black) over one coat of primer after preparing/ rubbing the existing surface complete all as specified and directed.

S&F as in repairs mild steel work in framed work such as valve chamber frame and doors, straps, Ties Clamps, Motor pumpset base etc. and similar work confirming to Fe-290 Gde E-165 and incl painting to surfaces using two coats of metallic primer and a coat of red oxide paint of desired colour complete all as specified and directed.

M&L cement concrete 1:2:4 type B-1 using 40 mm graded stone aggregate in foundations, filling and mass concrete including dismantling of existing PCC complete all as specified and directed.

M&L dewatering, cleaning of Overhead tank of 50000 glns capacity with high pressure jet to remove all mosses, algae and dirt, removal of dirty water by using sludge machines/industrial vaccum cleaners and disposal of the same to as safe distance incl scrubbing of internal surface by steel wire brush removing the dirt completely using industrial vaccum cleaner and sterilizing the complete internal surface of the tank by using ISI marked Gde-I bleaching powder and 2 coat of white wash and marking the date of cleaning by using synthetic enamelled paint in white colour over black colour background and letters of 40mm height and 30mm width complete all as specified and as directed. Note:- T&P required for complete cleaning shall be arranged by the contractor at his own cost and the unit rate of this item shall include this element.

All as per description of serial item No. 73.00 here in before but underground sump 50000 gln capacity.

All as per description of serial item No. 73.00 here in before but tank of RO plant 5000 litre capacity. Note:- (i) There are two number of tanks of 5000 litre capacity each hoisted at RO plant. EachTank shall be cleaned once fortnightly. Quantity has been catered for in the Schedule accordingly. (ii) Payment of each tank shall be considered seaparately as Each Job

Material and Labour boring of road crossing of size 100mm dia by using trenchless technology with use of machinery equipments complete without damaging the surface at suitable depth for drawing cables/pipe lines etc. complete all as directed. Note : (i) Location of boring holes shall be decided by the Engr-in-Charge as per requirement, nothing extra shall be payable on account of variation in length of crossing of road etc. (ii) During boring soil strata may be changed, hence nothing extra shall be paid to the contractor for boring of holes through different strata/different type of soil. Tenderer is hereby advised to keep in mind this aspect while quoting his rates.

M&L Cleaning of bore wells with advanced technical machines after taking out the existing borewell motor and pipe, removing the sand and loose mud from the borewell and lowering the borewell motor and pipe after cleaning the borewell all as specified and as directed.

M&L dismantling of unserviceable monoblock / centrifugal pump set with motor of 1/2/3 HP, strip opening and taking out rotor carefully, cleaning of rotor and stator, checking the rotor bearings, pump bearings, gaskets, impeller keys, terminal plate, gun metal bushes, cooling fan blades, windings etc. complete, re-assembling the motor including replacement of studs with nuts, retesting of motor winding and motor for full RPM and full discharge water after coupling with pump set complete all as specified and directed. NOTE- (i). The unit rate quoted by the contractor shall also include the cost of removing the motor and pump set to perform the works mentioned in this item. (ii) Any parts / spares required to make it fully functional shall be measured and paid for separately under relevant item as supply only.

M&L taking out burnt stater winding without damaging stator body of 1/2/3 HP motor, rewinding the electric motor with super enamelled copper conductor (wire) including providing mica paper etc in stator slots, PVC sleeves, varishing the winding complete all as specified and directed. NOTE:- The unit rate quoted shall also the cost of winding wire and taking to workshop and vise versa. (ii) Contractor shall give gurrantee of two year for rewinding of motor in any condition. Unit rate quoted above shall be deemed to include the same.

Supply only following spares for fixing into monoblock / Centifugal pump set, 1/2/3 HP electric motor of suitable Make/Type as approved complete all as specified and directed:-

Terminal plate (for motor)

Ball bearing Make : SKF/NBC

Gun metal bush

Rubber seal

Neck ring for impeller

Plastic cooling fan

Gun metal impeller with Key

S&F as in repairs bib tap, cast iron with crutch or butterfly handle, screwed down, screwed for iron pipe and fixed of 15mm dia bore complete all as specified and as directed

S&F as in repairs cast iron air release valve of 100mm bore dia complete with all accessories incl taking down unsv air release valve complete all as specified and directed.

Supply only Altoch Calcium Based Grannular Disinfectant for water treatment (Calcium Hypo Chlorite) Anticorosive clorine content not less than 60% to 70%, sealed in a plastic container in 40-45 KG of make : Declibac/Rayalseema or any approved make by E-in-C Branch New Delhi. Note:- (i) Supply shall be made by the contractor based on the requirement / piecemeal manner as directed by the AGE B/R (AF) Bikaner and shall be delivered in the store yard of AGE B/R Bikaner. No claim whatsoever on account of extra charges of transportation shall be entertained by the Deptt. (ii) Contractor shall provide the original purchase vouchers alongwith test certificate of entire quantity of each lot at the time of delivery. (iii) Material shall be brought by the contractor in packed plastic containers of 40-45 Kg each. (iv) As and when the said material is required for use in treatment as directed by Engineer-in-Charge, the same shall be collected by the rep of contractor from the store yard of AGE B/R Bikaner and shall be made available at the installation for its use. The unit rate of this item include the cost of this element.

Supply and fixing temporary rubber tube to arrest the water leakage in running line any size of water supply system during emergency including necessary excavation complete all as specified and directed. Note:- Unit rate of this item includes the cost of excavation and earthwork though required for rectification of fault. Replement of pipe / joint shall be measured and paid for separately.

S&F as in repairs rotational moulded polythylene water storage tanks, double layered, ISI marked (cylindrical vertical with closed top) hoisted and fixed in position of cap 5000 ltrs complete all as specified and as directed.

M\L Detacheable joint for 25mm bore CI/DI/GI pipe including rubber joints, nuts, bolts, gaskets & washers & testing complete all as specified and directed.

M\L Detacheable joint for 40mm / 50mm bore CI/DI/GI pipe including rubber joints, nuts, bolts, gaskets & washers & testing complete all as specified and directed.

MAHAVIR CONSTRUCTION CO

M/s Rohit Construction Co.