PROVISION OF 03 NOS. BOREWELLS ALONGWITH ALLIED PIPELINE WORKS IN RRC GHITORNI (RESTRICTED AREA) UNDER GE (SOUTH WEST) NEW DELHI-03

Amount

Excavation in trenches not exceeding 1.5 meters wide and not exc. 1.5 meters deep for laying PVC under ground cable and CI/ GI pipe line any type of soil, getting out and leveling of bottom surface to required level all as specified and directed by Engr-in-Charge.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exc. 25 cm thick all as specified and directed by Engr-in-Charge.

Removal of excavated material from site to a distance not exceeding 50 meters away and depositing where directed at a level not exceeding 1.5 meters above the starting point as directed by Engr-in-Charge.

Drilling not less than 300 mm bore hole by DTH method to any depth below the ground level in any kind of rock/soil upto 100 mtr deep including disposal of surplus soil to a distance not exc 50 mtr away all as specified and directed by Engr-in-Charge. Note: (i) In case of incountering rock prior to 30 mtr depth from ground level the decision of the Garrison Engineer for reboring shall be final and binding. Specific order in writing shall be issued by Garrison Engineer for reboring and the quantities shall vary accordingly. (ii) cost of transportation of DTH plant is included in the unit rate.

Geophysical Survey Charges (minimum 3 locations) including transportation charges and labour charges etc. complete.

Supplying, lowering & fixing into bore 200 mm dia MS casing pipe, heavy duty as per IS-3589, 6.0 mm thick ERW having Duly welded both sides socketed ends all as specified & directed by Engr-in-Charge.

Supplying, lowering & fixing into bore 150 mm dia MS casing pipe, heavy duty as per IS-3589, 6.0 mm thick ERW having Duly welded both sides socketed ends all as specified & directed by Engr-in-Charge.

Supplying & fixing well cap suitable for 200 mm bore well dia consisting of two parts complete with welding and machinery work having provision of cut out for passing of column pipe and fabricated from MS sheet 3.15 mm thick all as specified & directed by Engr-in-Charge.

Supplying and lowering and fixing 200mm nominal bore MS casping pipe, heavy duty as per IS-3589 minimum 6 mm thick ERW having duly welded both sides socketed ends all as specified and directed by Engr-in-Charge.

Supplying and lowering and fixing 150mm nominal bore MS casping pipe, heavy duty as per IS-3589 minimum 6 mm thick ERW having duly welded both sides socketed ends all as specified and directed by Engr-in-Charge.

Supply & fixing housing clamp for 200 mm dia bore pipe made out of flat MS 150x12 mm thick (80 cm) with 4 Nos 20 mm dia of suitable size of bolt, nuts, washers etc including drilling holes of suitable sizes and painting 2 coats of synthetic enamel paints over a coat of red oxide primer all as specified and directed by Engr-in-Charge.

Supply & fixing housing clamp for 50 mm dia bore pipe made out of flat MS 100x10 mm thick (length 60 mm) with 4 Nos 20 mm dia of suitable size of bolt, nuts, washers etc including drilling holes of suitable sizes and painting 2 coats of synthetic enamel paints over a coat of red oxide primer all as specified and directed by Engineer-in-Charge.

Development of tube well with air compressor of rating 630 CFM at 100 PSI as required complete all as specified and directed by Engr-in-Charge.

Supplying and packing pea gravel of size 3.00 mm to 6.00 mm around casing pipe all as specified and directed by Engr-in-Charge.

Material and labour for yield testing of tube well by continuous run with suitable equipment all as per IS-2800 part-II of 1979 including complete testing of water suitable for drinking purpose as per IS-10500 of 1991 from testing Laboratory approved by GE and report shall be submitted to GE. The well shall be tested 24 hours continuous after development of the well to acertain the yield. The air compressure/higher capacity pump required for the development of the well by means of over pumping shall be arranged by the contractor at his own arrangement.

Material and labour for test of pilot bore with electro logging through computerized composite litho log machine at site by ground water consultant and in innovative engineer and submitting complete result pertaining to water strata and recommendation to tap water by providing slotted pipe all as required complete all as specified and directed by Engr-in-Charge.

Supply, lowering and fixing MS Column pipe heavy duty (Class C ) flanged and drilled ISI marked 50 mm bore as per IS-1239, 3.0 mtr in long flange having 6 mm min. thick, slot cutting in flange for passing of submersible cable incl all jointing material such as bolts, nuts, washers, & packing sheets and connecting complete all as specified and as directed by Engr-in-Charge.

Supply & fixing, install testing and commissioning of feeder pillar box, outdoor type cubical shape, three phase, 4 wire, Al bus bar for phases and neutral made out of CRCA sheet 3.15 mm thick, factory fabricated, CPRI approved, powder coated, dust and vermin proof, provn for ventilation, angle iron frame and four legs of 50x50x6mm thick angle iron, 2 ft long grouted on PCC foundation of height not less than 30 cm from the ground level, grouting properly, and of suitable size to accommodate the items mentioned below and having separate compartment/ chambers for cable gallery busbar, switch gear etc all as specified and comprising of following including necessary cable connections to the MCCBs, Voltmeter, Ammeter and cable lugs etc.

Supply, connecting, testing and commissioning cable submersible with copper conductor 3 core 1100 volts grade 4.0 Sqmm nominal cross sectional area stranded conforming to relevant IS complete as specified and as directed by Engr-in-Charge.

Supply and fixing XLPE insulated multistranded Aluminium conductor 1100 volts grade, cross sectional area 25 Sqmm, 3.5 core as in trenches or through floors, fixed on panels/walls with fixing arrangements compete all as specified and as directed.

Material and labour for well burnt Sub class 'B' bricks for UG cable protection laid in across the cable above the sand cushioning complete all as directed and specified.

Material and labour for sand filling in trenches using clear dry sand unwashed including gently punning around cables complete all as specified.

Material and labour for Earthing complete with GI earth plate electrode 60 cm x 60cm x 6.0mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of the earth plate at a depth not less than 1.6 mtr below normal ground level surrounded form all sides by 15 cm thick and packed layer of charcoal dust and salt and common salt fitting in alternater layers and else connection by using GI strip 25 x 4 mm by means of bolts, nuts, check nuts & washers of galvanised iron and protected by light grade 40 mm dia GI pipe connected to main switch board of main control board and GI pipe light grade 20 mm dia for watering and including funnel, wire mesh, PCC pit cover and PCC chamber pit with PCC 1:2:4 type C2 inclining excavation and earth work, disposal of surplus soil to a distance not exceeding 50 mtr all as specified and shown in electrical plate No.3 of SSR Part-1.

Supply, Installation, lowering, testing and commissioning submersible pumping set having discharge capacity 180 LPM at 110 mtr head complete with submersible motor of suitable 7.5 HP, 3 Phase 415 volt and connecting to column pipe by means of nipple/ reducer complete all as specified and as directed by Engr-in-Charge. Make: KSB or equivalent.

Supply, laying jointing, testing 50mmGI pipe heavy grade.

Shri Radhakrishna Associates

Surjit and Sons

VINAY ENTERPRISES

P S TRADERS

Vishal Traders

JIWAN DASS THAREJA AND SONS