SPECIAL REPAIR TO BOREWELL AT NTS AND SPECIAL REPAIR TO GI PIPE LINES AND CONNECTED ITEMS FOR OLD WAPTI AT AFSSR UNDER GE AF GURGAON

Amount

Excavation in trenches in soft/loose soil not exceeding 1.5 m depth and n.exc 1.5 m wide for laying of pipes/cables etc and getting out complete all as specified and as directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soft/loose soil complete all as specified and as directed.

Removing excavated material to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed.

M&L for sand cushioning with a layer of sand 80 mm thick before laying of cables and 150 mm thick after laying of cables in trenches, or in Existing duct as directed for electric cables for protection incl.consolidation complete all as specified and as directed. (Punned thickness shall be measured).

M&L for brick protection with sub class B bricks, laid dry flat over electric cables in trenches complete all as specified and as directed.

Conducting Geo-hydralogical/Geo-physical ground water investigation survey in NTS Gururgram Area, AFSSR, Gurugram through Government local bodies like central water commisssioner or any state/central Ground Water Boards for location of borewells with four alternative locations of various yields. The report from the concerned department shall be submitted to Engineer-in-Charge. Based on the report, the contractor should give the proposal for appropriate location which shall be approved by the Garrison Engineer. Note :- All expenses involved for getting done the Geo-hydrological/Geo-physical ground water investigation survey through local body including inspection fees, fee for submission of application and other incidental charges if any, as required by the local bodies at various stages are to be included in the quote rate of the same.

Removal of existing submersible Pump from the non working bore including the removal of column pipe upto the depth of submersible Pump, Electrical cable etc and filling the bore hole with clay ball, Sand, soil as required for the complete sealing of the bore. The cement concrete platform of 0.6 Mtr x 0.6 Mtr x 1.0 Mtr shall be casted on the top of the filled bore complete all as specified and as directed. Note :- (i) The contractor may check the feasibility for the removal submersible pump & column pipe upto the depth of installed submersible pump. The quote rate shall be inclusive of the same. (ii) The payment will be made only after successful execution of the complete item

M&L for Trial bore of 200 mm dia upto 200meter depth below ground level in any kind of soil strata including hard stone/boulder including electric logging, MS cap, MS flat iron clamps, reducing socket etc. complete all as specified and as directed.

M&L for Drilling/boring trial bore by reverse rotary cum percussion ring through any kind of soil, boulders, rock for a bore from 200 mm dia further expended to 300 mm dia as required at side with a provision of space for filling gravel 2 mm to 5 mm of size, and taking out of strata from the bore well every 20 mtr depth and 100 mm thick between the annular space of bore hole and tube well assembly all round for the following depth:-

(a) From ground level to a depth of 30 mtr.

(b) For depth exceeding 30 mtr and upto 60 mtr.

(c) For depth exceeding 60 mtr and upto 90 mtr.

(d) For depth exceeding 90 mtr and upto 120 mtr.

(e) For depth exceeding 120 mtr and upto 165 mtr.

Supply and lowering MS Casing pipe upto 200 mm internal dia and 8 mm wall thickness pipe conforming to ISO 9001including sockets and jointing length of pipes by socket threaded complete all as specified and as directed.

Supply and lowering MS slotted strainer upto 200 mm internal dia and 6.35 mm wall thickness pipe conforming to ISO 9001including sockets and jointing length of pipes by socket threaded complete all as specified and as directed.

M&L for Development of tube well with compressed air and after with 25 % extra capacity pump by pumping muddy water complete all as specified and as directed. Note :-Development with compressed air by means of air compressor of suitable capacity not less than 1000 PSI and over pumping using suitable capacity pump until sand free water is obtained. The compressor/pumping set/ equipment for testing as required shall be arranged by the contractor. Vertical test of tube well housing up to reducer position plumb and alignment immediately after lowering the house in pipe and before commencement for gravel packing by tripped and plumb complete.

M&L for carrying out yield tes (V-notch type) of bore well continuously for 08 hours and submitting the test report in the presence of departmental representative complete all as specified and as directed. Note :- T & P required for yield testing shall be arranged by the contractor without any extra cost to Govt.

M&L for Carrying out Electro logging test through reputed and approved agency as directed by Engr-in-Charge and furnishing bore section details along with results and report on installation of blank and slotted pipe complete all as specified and as directed.

M&L for collection of water samples in clean bottle from borewell and getting tested for chemical and bacteriological analysis from Govt approved NABL Accredited & ISO certified testing laboratory and submission of result in triplicate complete all as specified and as directed.

M&L for collection and submitting of soil strata at every 10 mtr depth for entire of borewell contgained in suitable first class hard wood (Teak Wood) box of size (for each sample storage space shall be 20cm x 20cm x 15cm) and shall be slotted and fixed with 3mm thick plain glass in from side of box complete all as specified and as directed. Note : 1. All samples shall be in one box for borewell. 2. Box shall be painted with two coats of synthetic enamell paint over a coat primer apart from marking/lettering mentioned in each box, well No, CA No, Name of Contractor, Date of sample taken complete.

Supply and fixing of column pipe made out of GI pipe made out of GI heavy grade 80mm nominal bore each 3 Mtr length including flange duly welded with web complete all as specified and as directed.

Supply and fixing of GI steel tubing medium grade 100mm bore and connections including all fittings such as bends, belows tee, unions, sockets etc laid in trenches all as specififed and as directed.

S & F Cast Iron sluice valve 100 mm dia, class PN- 1.6 with flanged and drilled ends any pattern including necessary jointing and jointing materials complete (with rubber gaskets, bolts and nuts etc) complete all as specified and as directed.

S & F CI non return valve 100 mm dia PN-1.6 including necessary jointing and jointing materials complete all as specified and as directed.

M&L for construction of valve pit size 900mm x 750mm x 900mm consisisting of 230mm thick, old size brick masonry wall in cement mortar (1:6), PCC (1:4:8) type D2, using 40mm graded stone aggregete as in fondation, PCC (1:2:4) type B1, using 20mm graded stone aggregete in coping/bed, finished even and smooth, rendering 15mm thick in cement mortar (1:6) internally and 10mm thick in cement mortar (1:4) externally, finished even and smooth without using extra cement incuding three coats of white wash and earth work in any type of soil and including 3mm thick MS sheet cover fixed on 40mmx40mmx6mm thick angle iron frame ambeded in PCC coping with locking arrangement and mild steel hold fast & handle and duly painted with two coats of synthetic enamel paint over one coat of primer etc. including Demolition of existing valve pit and complete all as shown on drawing NO TD/2004/26 Sh 1/1 to 1/3 and as specified and as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured,electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 sq mm 3.5 core complete all as specified and as directed.

M&L for Earthing complete with galvanized mile steel earth plate electrodes 600x600x6.0 mm thick buried directly in ground to a depth not less then 2.25m deep below ground level with top edge of the plate not less then 1.5 mtr below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around to the plate , using GI strip 32 x 6 mm as earth strip electrod bolted or rivited to earth plate at one end and connected to equipments at another end, GI earth strip encased in and including 40 mm dia GI light grade pipe from upper end of earth plate up to equipment 20 mm dia bore GI pipe light grade as water pipe from earth chember to upper edge of earth plate, Test point, GI funnel with wire mess fixed on water pipeand PCC 1:2:4 type B 1 , (using 20 mm graded stone aggregate)as in pit chember and RCC pit cover 50 mm thick precast RCC 1:2:4 type B1 duly reinforced with MS round bar 6 mm dia @ 100 c/c both way with 10 mm dia MS round bar as in lifting handles, excavation, earth work including laying of GI Pipe concealed in floor and wall all as described in electrical plate of SSR part-I complete all as specified , as directed and testing on completion Note :- If the desired earth resistance is not found earthing shall be redone by the contractor at no extra cost to the department.

Supply and fix MS well cap 8mm thick 150 mm dia having internal threads and with welding iron handle made to shape of 20 mm MS round complete all as specified and as directed.

S & F MS bail plug of 200mm dia and 1.50 mtr long complete all as specified and as directed.

S & F MS reducer socket 300mm x 200mm dia complete all as specified and as directed.

Supply & laying special screened pea gravel around the liner assembly to the entire depth of boring etc complete all as specified and as directed.

S & F MS centerlizer guide 200mm & 300mm dia complete all as specified and as directed.

Supply and fix MS housing clamp made out of mild steel flat iron 150x12mm thick, 1.5 mtr long suitable for 150 mm dia casing pipe with necessary MS bolts full threaded nuts and washers at ground level complete all as specified and as directed.

Supply and fixing of submersible cable 3 core, 10 Sqmm PVC copper 1100 volts grade with complet testing for water proof complete all as specified and as directed.

Supply, install, test and commissioning of electromegenetic flow water meter flanged 50mm dia , Make flow tech type full bore with PTFE line tube suitable for water with density 1.0, housig aluminium dia cast weathwe proof IP-65, with siutable coil, coil housing, flow transmitter display, with electric connection wire 230 V AC supply incl connected wire etc complete all as specified and as directed.

S&F centralized guide made out of 40x6mm MS flat iron suitable for 150/100mm bore MS pipe complete all as specifie and shown in IS 2800 (Part-I) 1991 complete all as specified and as directed.

Supply, installation , commissioning and testing of factory made LT panel board of suitable size double door, indoor type, floor mounted, dust, weather and vermin proof, 415 volts, 3 phase, wire, 50 Hz AC supply, powder coated internally and externally made out of 2 mm thick outside body and inside body 1.6mm thick steel sheet with locking arrangement, front side and rear side opening arrangement including mounted on Angle iron stand of size 50x50x6mm having minimum height from ground level 450mm , duly grouted or welded on floor. Aluminium bus bar TPN of 300 A for all feeders to accommodate and including following items :-

S & F in repair 20mm bore steel tubing and connections including all ISI mark new fittings such as bends, belows tee, unions, sockets etc laid complete in trenches including taking up or down old steel tubing and connections complete all as specififed and as directed.

S & F in repair 25mm bore steel tubing and connections including all ISI mark new fittings such as bends, belows tee, unions, sockets etc laid complete in trenches including taking up or down old steel tubing and connections complete all as specififed and as directed.

S & F in repair 50mm bore steel tubing and connections including all ISI mark new fittings such as bends, belows tee, unions, sockets etc laid complete in trenches including taking up or down old steel tubing and connections complete all as specififed and as directed.

S & F in repair 80mm bore steel tubing and connections including all ISI mark new fittings such as bends, belows tee, unions, sockets etc laid complete in trenches including taking up or down old steel tubing and connections complete all as specififed and as directed.

S & F in replacement 50mm dia Gun metal Gate valve with iron wheel head screwed both ends complete all as specified and as directed.

S & F in replacement 25mm dia Gun metal Gate valve with iron wheel head screwed both ends complete all as specified and as directed.

M&L for construction of valve pit of size 900mm x 600mm x 1000mm consisisting of 230mm thick, old size brick masonry wall in cement mortar (1:6), PCC (1:4:8) type D2, using 40mm graded stone aggregete as in fondation, PCC (1:2:4) type B1, using 20mm graded stone aggregete in coping/bed, finished even and smooth, rendering 15mm thick in cement mortar (1:6) internally and 10mm thick in cement mortar (1:4) externally, finished even and smooth without using extra cement incuding three coats of white wash and earth work in any type of soil and including 3mm thick MS sheet cover fixed on 40mmx40mmx6mm thick angle iron frame ambeded in PCC coping with locking arrangement and mild steel hold fast & handle and duly painted with two coats of synthetic enamel paint over one coat of primer etc. complete all as shown on drawing NO TD/2004/26 Sh 1/1 to 1/3 including dismantling of old valve pit, complete as specified and as directed.

Supply and fix cast iron flanged drilled heavy duty sluice valve of size 80 mm bore with ISI mark with stainless steel spindle and check nut and plan PN-1.6 complete with rubber insertion, nuts and bolts with washers etc including taking down old unserviceable sluice valve of size 80 from existing position after removing out nuts/bolts etc complete all as specified and as directed. Note.Nuts and bolts,gasket is included in the unit.

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