CA NO CWE/AF AMB/AMB-60/2019-20 SPECIAL REPAIR/ REPLACEMENT OF BER BOREWELL WITH PIPELINE FOR PUMP HOUSE NO 15 DURAND ROAD OF DOMESTIC AREA AT AF STATION AMBALA UNDER GE AIR FORCE AMBALA

Amount

Drilling trial bore hole by direct or reverse rotry combination rig plant and equipment through any kind of soil/rock strata by drilling not less than 250mm bore hole upto 350 mtr depth below ground level with and including disposal of retrieved/surplus soil to a distance not exceeding 500 mtr complete all as specified & as directed.

Expanding trial bore direct or reverse rotry combination rig plant and equipment through any kind of soil/rock strata by drilling not less than 680mm bore hole upto 120 mtr for 350 mm casing pipe from ground level with and including disposal of surplus soil to a distance not exceeding 500 mtr complete all as specified & as directed.

Expanding trial bore by direct or reverse rotry combination rig plant and equipment through any kind of soil/rock strata by drilling not less than 525mm bore depth exceeding 120 mtr for 250 mm with and including disposal of surplus soil to a distance not exceeding 500 mtr complete all as specified & as directed. Notes for serial No 1 to 3:- (a) Direct drilling or reverse rotary combination rig plant of suitable capacity along with necessary tools/equipment for drilling bore well shall be arranged by the contractor under his own arrangements . (b) Hire charges for the Rig Plant and its transportation to site and removing from site after completion of the work shall be deemed to included in the quoted rates. (c) Water required for drilling/execution, refer special condition 9.

Supplying, lowering and fixing into bore hole 350mm bore dia MS casing pipe ERW, 8mm wall thickness in six metre length having threading and welding at both ends externally complete all as specified and as directed.

Supplying, lowering and fixing into bore hole 250mm bore dia MS casing pipe ERW, 8 mm wall thickness in six metre length having threading and welding at both ends externally complete all as specified and as directed.

Supplying, lowering and fixing into bore hole 250mm dia stainless steel slotted pipe of grade SS 304 , 8 mm wall thickness having longitudinal slotes of 1 mm width cut into the pipe including fixing/jointing to the casing pipe by threading and welding as per the strata and ground requirements complete all as specified and as directed.

Supplying, fixing and lowering of centering guide into bore well made out of flat rings, ribs suitable for 350/250 mm nominal bore MS casing pipe complete all as specifcied and as directed.

Supply & fixing mild steel socket of size 350mm for connecting casing pipe with proper welding complete all as specified and as directed

Supply & fixing mild steel socket of size 250mm for connecting casing pipe with proper welding complete all as specified and as directed

Supply and fixing Mild steel reducer of size 350x250mm (nominal bore) having wall thickness 8mm, screwed at both ends with & including necessary fittings and jointing with jointing material complete all as specifcied and as directed.

Supply and fixing well cap suitable for 250mm nominal bore casing pipe having internal and external threading with rings, ribs and welded iron handle complete all as specifcied and as directed.

Supply and fixing housing clamp of suitable length/width made out of 20mm thick MS plate suitable for 350/250 mm (nominal bore) MS casing pipe with and including necessary nuts,bolts and twin washers at groung level embeded in PCC block and 80 mm bore GI pipe,heavy duty, for watering with cap complete all as specified & as directed . Note :- PCC block and GI pipe shall be measured and paid seperetely.

Supply and fixing 80 mm bore GI pipe , heavy duty for watering with cap complete all as specified & as directed .

Material and labour for PCC 1:2:4 type B1 using 20 mm graded mechanically crushed stone aggregates finished even and smooth without using extra cement for embedding clamps complete all as specified & as directed .

Supplying, lowering and packing pea gravel of size 2mm to 2.5mm duly screened and washed around casing pipe and slotted pipes complete all as specified and as directed. Note: - For the purpose of measurement, gravel brought by the contractor shall be stacked properly at site & measurement of stacks shall be recorded before use and after use (left unused) to arrive at the net quantity of gravel used.

Development of tube well bore by compressor of capacity not less than 100 Cum/hr and 600 PSI till clear water is obtained including stabilization of the tube well and carrying out yield test indicating static water level, draw down complete all as specified and as directed.

Development of tube well bore by heavy duty submersible pump set of capacity not less than 20000 GPH so as obtain sand/silt free water upto 20 PPM in 20 minutes complete all as specified and as directed. Note :- Test record for the same duly signed by the Engr-in-Charge & contractor shall be kept on record .

Supplying and fabrication of strata sample box overall size 1200x750x100 mm made out of 18 to 20mm thick veneered particles board with frame made out of aluminium angle of size 25x25x2 mm having 20 Nos partitions of size 150x100x100 mm made with 12mm thick commercial plywood and 25x25x2mm aluminium angle bearers with and including sliding type sheet glass 5mm thick cover with suitable size aluminium charfel frame alround with 2 Nos key holes made out of aluminium plate of size 40x25x3mm, aluminium handles as required and applying 2 coats of synthetic enamle paint over a coat of red oxide primer after preparation of surface including writing name of the tube well, location and strata samples with depth complete all as specified and as directed. Note: Strata samples and strata chart shall be prepared & provided by the contractor without any extra cost .

Supplying and fixing drawing of assembly lowered alongwith bore well details on full scape size paper duly laminated and framed on and including 10mm thick commercial type veneered particle board complete all as specified and as directed.

Testing of water sample for potability by chemical analysis as well as bacteriological potability from Govt Laboratory and submission of the report complete all as specifcied and as directed.

Electronic logging by means of electric logger for the total depth of tube well submission of 4 copies of logging sheet alongwith one original copy and its interpreation complete all as specified and as directed

Material and labour for PCC 1:2:4 type B-2 using 40mm graded mechnicaaly crushed stone aggregate for foundation / block etc as in filling all around the MS casing pipe below ground level to any depth including necassary form work and GI pipe for watering with cap complete all as specified and as directed. Note:- The quoted rates deemed to include 80mm bore GI pipe heavy grade for watering with cap near along side bore.

Excavation in trenches not exc 1.5m wide and exc 1.5m but not exc 3.0 mtr in depth for foundation etc or for walls, shafts, manholes not exc 10 Sqm on plan or for laying pipe or cables or for errection of poles etc and getting out, in soft/loose soil complete all as directed

Returning filling in including spreading leveling watering and well ramming in layers not exc 25 cm thick each complete all as specified and as directed.

Removal of surplus soil to a distance not exc 500 mtrs & depositing where directed at a level not exc 1.5 mtrs above the starting point complete all as specified and as directed.

Material and labour for Sand cushioning to cable with a layer of sand 8 cm deep before laying the cable and 15 cms deep after the cable ,punned down to 18 cms depth after laying and stretching of cable complete all as specified and as directed.

Supply and laying sub class 'B' bricks old sizes over the underground HT/LT cable, laid dry & flat abutting each other with width equal to length of bricks for protection of cable complete all as specified and as directed.

BLANK

Material and labour for ductile iron pipes with socketed and spigot ends suitable for tyton joints centrifugally cast (spun) class 'K-9' conforming to IS: 8329 in any length laid in trenches of 150 mm bore with cement mortar internal lining and external zinc coating with a bitumen finishing layer with and including necessary nuts, bolts & washers for joints/spares complete all as specified and as directed.

Material and labour for ductile iron pipes with socketed and spigot ends suitable for tyton joints centrifugally cast (spun) class 'K-9' conforming to IS: 8329 in any length laid in trenches of 100 mm bore with cement mortar internal lining and external zinc coating with a bitumen finishing layer with and including necessary nuts, bolts & washers for joints/spares complete all as specified and as directed. Notes for srl No 29 & 30 :- :- (i) Excavation and earth work shall be measured and paid separately. (ii) The rates quoted deemed to include welding required for with and including plate for making flange at the end of pipe at the turning or after the turning with suitable gasket, nuts, bolts and washers. (iii) The quoted rates deemed to includes making good the disturbed surfaces of road/hardstanding/plinth/tiles etc as per the existing specifications.

Supplying and lowering in bore hole ERW column pipe 100mm dia, heavy grade in approximately 3 mtr length each duly flanged at both ends by welding with special provision such as slots for housing two Nos submersible cable of size 16 Sqmm and holes for fixing nuts & bolts with and including rubber flange and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Supply and fixing ductile iron fittings or specials for spigot & socketed and flanged pipe conforming to IS-9523, ISI marked,tee ,equal or unequal, dead flanges/plug, connecting pieces, tapers, collars reducers for pipe of size upto 150mm bore complete all as specified and as directed. Note:- Excavation and earth work and lead/rubber gasket joints shall be measured and paid separately.

Supplying, laying and jointing galvanised mild steel water tubes 80 mm bore, medium grade with all fittings laid in floor/trenches or fixed to wall with fixing arrangements after taking down of old pipe as existing at site complete all as specified and as directed.

Supplying, laying and jointing galvanised mild steel water tubes 50 mm bore, medium grade with all fittings laid in floor/trenches or fixed to wall with fixing arrangements after taking down of old pipe as existing at site complete all as specified and as directed.

Supplying, laying and jointing galvanised mild steel water tubes 20 mm bore, medium grade with all fittings laid in floor/trenches or fixed to wall with fixing arrangements after taking down of old pipe as existing at site complete all as specified and as directed.

Supply and fixing PP-R gate valve 50 mm bore , brass insert with all fittings and fixing arrangements after taking down of old valve as existing at site complete all as specified and as directed.

Supply and fixing PP-R ball valve 20 mm bore , brass insert with all fittings and fixing arrangements complete all as specified and as directed.

Supplying, fixing and jointing Cast iron sluice valve, ISI marked, Class PN-1 with flanged and drilled ends, suitable for 150mm nominal bore pipe/fittings with iron wheel high tensile steel spindle with & including joints and jointing materials such as bolt, nuts, washers and rubber gasket etc complete all as specified & as directed.

Supplying, fixing and jointing Cast iron sluice valve, ISI marked, Class PN-1 with flanged and drilled ends, suitable for 100mm nominal bore pipe/fittings with iron wheel high tensile steel spindle with & including joints and jointing materials such as bolt, nuts, washers and rubber gasket etc complete all as specified & as directed.

Supplying, fixing and jointing Cast iron sluice valve, ISI marked, Class PN-1 with flanged and drilled ends, suitable for 80mm nominal bore pipe/fittings with iron wheel high tensile steel spindle with & including joints and jointing materials such as bolt, nuts, washers and rubber gasket etc including taking down of old valve as exist at site complete all as specified & as directed.

Supplying, fixing and jointing Non return valve of cast iron for 150mm bore pipe Class-I (ISI marked) with brass flap and seat without by pass engagement, flanged both ends, joints and jointing material such as nuts,bolts,washers & rubber gasket etc complete all as specified and as directed.

Supplying, fixing and jointing Non return valve of cast iron for 100mm bore pipe Class-I (ISI marked) with brass flap and seat without by pass engagement, flanged both ends, joints and jointing material such as nuts,bolts,washers & rubber gasket etc complete all as specified and as directed.

Material and labour for water pressure gauge, range 0-100 PSI, dial type 100mm nominal dia with and including control valve adopter etc and testing on pipe line complete all as specified and as directed

Cutting to existing water mains in position upto 150mm bore cast iron pipe for taking branch connections for CI special complete all as specified and as directed.

Supplying, lowering, jointing and testing PVC insulated, multistranded copper conductor 16 Sqmm (nominal area), 3 core flat submersible cable complete all as specified and as directed

Supplying, lowering, installing, testing and commissioning submersible pump set with 3 phase submersible electric motor coupled with the pump having 10000 GPH discharge at 120 mtr head, 7 stage or as per OEM recommended stage suitable for bore of 250mm dia complete all as specified and as directed. Note :- (i) The capacity of motor pump shall be suitable to give a required discharge at the required head.

Supplying, laying, jointing, testing and commissioning under ground XLPE LT electric cable 1100 Volts grade, heavy duty, PVC insulated and sheathed armoued electric power cable with stranded aluminium conductor, of cross sectional area 70 Sqmm 3.5 core conforming to IS- 7098 (Part I) 1988 as in trenches over brick and sand cushioning or along the wall/pole through pipe etc served with an inner sheathing of PVC tape and overall PVC sheathed armoured with galvanized steel wire or tape complete all as specified and as directed. Note :- Excavation and earth work, GI pipe, brick and sand cushioning shall be measured and paid separately.

Supplying, installation, testing connecting and commissioning LT panel board cubical and outdoor canopy type with double door, floor mounted CPRI approved with MS angle iron base frame made out of 40x40x6mm angle,of size as required at site,grouted in PCC 1:3:6 type C-1 using 20 mm graded mechanically crushed stone aggregates for fixing panel board with and including necessary fixing arrangements,totally enclosed dust and vermin proof, front opening with locking arrangement, suitable for AC 415V, 3 phase, 50 Hz system, Red, Yellow, Blue and Black coloured insulated copper bus bar of suitable size to carry 350 amps four Nos vertical mounted of suitable length and internal wiring with aluminum strip of suitable size duly painted internally and externally with two coats of synthetic enamel paint over a coat of red oxide primer of any tint and marking wiring circuits complete all as specified and as directed duly comprising of the following accessories :- (a) Voltmeter flush mounted 0-500 V square digital type -01 No. (b) Ammeter flush mounted 0-250A, CTs operated, square digital type-03 Nos. (c) Phase indicating lamp set (RYB) industrial LED type-01 Set. (d) On load change over switch 250 Amp, four pole, 415 V, 50 Hz open execution type-01 No

(e) MCCB, AC, 415 Volt, 250 Amps conforming to IEC-947 IS-13947-I breaking capacity 25 kA at 415 volt, 4 pole (wireless sensor network) frame size/type ASS with adjustable thermal and fixed magnetic setting of current rating 100 Amp for incoming-01 No. (f) MCCB, AC, 415 Volt, 125 Amps conforming to IEC-947 IS-13947-I breaking capacity 25 kA at 415 volt, 3 pole (wireless sensor network) frame size/type ASS with adjustable thermal and fixed magnetic setting of current rating 125 Amp for incoming to submersible pump set-02 Nos. (g) Automatic Star Delta Starter, 3 phase, 415 V, 50 Hz having contactors, over load relay, electronic timer, phase sequence corrector, on/off push button , copper wiring suitable for submersible pump motor upto 50 HP with and including proper fixing arrangements and copper cable thimble -02 Nos (h) Danger notice plate/stricker of suitable size on front panel board duly painted- 01 No (j) Single phase preventer suitable for 415 volt - 02 Nos.

Supplying, installing,commissioning and testing Granular chlorination dosing pump, high pressure, single head, gear motored adjustable dosing pump having output 0 to 5 ltrs per hour, adjustable high pressure upto 10 Kg per Sqcm with and including preperation tank, dosing tank with lid of suitable capacity consisting of water inlet line, outlet with Y strainer, drain, overflow, NRV, foot valve with strainer, conical bottom for sludge deposition, pot hole with cover, level gauge, agitalor 120 watts 900 RPM, single phase mounted motor with plastic shaft & impeller, injector dosing pump, inlet arrangements, drain, overflow level gauge , inspection port, agitalor 120 watts 900 RPM, single phase mounted motor with plastic shaft & impeller,provision of mounted lid all as per manufecturer's recommendations with and including necessary electric extension board with two Mtrs long 2.5 Sqmm wire,15 Amp plug top (01 No), 15/5 Amp switch socket combination(03 Nos) to connect two agitator and one dosing pump 200 watts each with 15/5 amp plug top and necessary sub main wire of 2x4 Sqmm and 1x1.25 Sqmm in with and including 20 mm bore PVC conduit with suitable MS clamps for fixing conduit on wall from main DB of pump house to dosing pump room and provision of 15 amp switch socket combination (01 No) above one Mtr height from ground level to connect the extension board, fresh inlet water pipe connection to preperation tank by using 15 mm bore GI pipe, medium grade and Brass gate valve 15 mm bore (01 No) at tapping point and PTMT bib tap 15 mm bore (01 No) at agitator tank complete all as specified and as directed.

Material and labour for earthing with galvanized steel earth plate 60 cm X 60 cm X 6 mm thick buried vertically in ground to depth not less than 2.25 metres below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to GI plate with 32x6 mm GI earth strip upto 7.5 mtrs long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly including watering pipe GI 20 mm bore, light grade, including protection pipe GI medium grade 15mm bore for earthing lead, wire mesh, funnel,lugs, salt, charcoal dust, excavation and refilling pit with PCC 1:2:4 type B1, precast RCC cover slab 50 mm thick 1:2:4 type B-1 using XPM reinforcement weighing not less 4kg/sqm in lieu of CI cover with CI frame all as shown in electrical plate No 3 of SSR part-I (2009), including testing on completion complete all as specified and as directed. Notes :-- (i) Any variation in length of earth lead and protection pipe of earth lead shall be adjusted through DO. (ii) On testing if the earth resistance is not obtained, earthing will be generated at NO extra cost ,till the desired earth resistance is obtained.

Deduct Total amount of Sch of credit Rs 47100.00

M/s Amit Associates

R D Bansal

M/s Guddu Builders

Deep Tubewell Drillers Pvt Ltd