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| 1 | Material and labour for drilling vertically from average ground level for 150 mm dia pilot bore hole in any type of strata by mud flash rotary rig 200 mm dia including cost of bentonite powder drilling shall be done by mud flash rotating equipment of size not less than 200 mm dia and bore shall be unsealed at least for 72 hours to the entire depth of bore holes, for following depth of bore holes including sub soil complete all as specified and directed:- |
| 2 | Depth of bore holes upto 15 m depth. |
| 3 | Depth of bore holes from 15 m to 50 m depth. |
| 4 | Depth of bore holes exceeding 50 m but not exceeding 100 m |
| 5 | Depth of bore holes exceeding 100 m but not exceeding 200 m Notes for Ser 1.1 to 1.4:-(a) The pilot bore wells shall be drilled on tentative location as approved by GE. Tentative location which shall be obtained from Geological department of CGWB by the contractor(b) If the yeild is insufficent as considered by GE then pilot bore shall be drilled at new place as directed by GE. Payment shall however be made only for drilling as per actual.(c) Rig, tools and plants etc required for completion of work and their cartage are to be borne by the contractor.(d) Collection of soil strata at every 10 m depth or change in strata met with during the bore shall be plotted against the depth on a tracing paper in the form of strata chart and blue print in sextruplicate shall be submitted to Department for record.(e) Actual depth of final bore shall be decided based on the result ofelectro logging and TDS report.(f) Soil/strata testing report shall be done through Geo hydrology department for water aquifier details of the location if required and submitted |
| 6 | Material and labour for electro logging test of the pilot bore hole by using logger equipment including all necessary arrangements for chemical analysis, bactriological test of sample of yield obtained from pilot bore to ascertain potability of water complete all as specified and directed.Note: the contractor shall submit Electrologging result with recommended bore assembly details in duplicate for approval of GE |
| 7 | Development and testing for yeild including all necessary arrangements for testing and developing, including lowering and removing of 40/50 mm dia drop line and 15/20 mm dia air line for development of each water bearing zone come across upto the full depth of deep bore well of size 150 mm dia for complete period of development of bore air compressor 600 CFM/150 PSI running 4 to 6 Hrs or till sand free discharge obtained etc., complete all as specified and directed. |
| 8 | Supplying lowering, jointing, connecting and fixing following sizes of uPVC casing pipes in to bore hole as per IS -1288 including providing suitable size of bore plug, clamp, Nut bolts, bottom lowering plate, borewell cover made up of MS sheet 3 mm thick, split type and both side locking arrangement and making \"50 mm\" hole for insertion of column pipe in centre of the bore well including welding works and cover shall be suitable for 150 mm dia PVC bore well etc.,complete all as specified and directed.Note : The assembly of casing pipes shall be lowered as per electrogging test report and recommended assembly details. |
| 9 | 150 mm nominal dia uPVC blank casing pipe with out side dia of 165 mm and wall thickness 7.5 mm to 8.5 mm. |
| 10 | 150 mm nominal dia uPVC clotted casing pipe with out side dia of 165 mm and wall thickness 7.5 mm to 8.5 mm. |
| 11 | Material and labour washed and smooth pea gravel 5 to 8 mm dia, for packing in the annular space around the blank/ slotted casing pipe of 150 mm dia complete all as specified and directed. |
| 12 | Material and labour for sanitary sealing of tube well with PCC (1:2:4) typeB1 using 20 mm graded stone aggregate upto a depth of 0.6 mtr below ground level and 0.30 mtr above ground level (Square type of ext dimensions 300 mm x 300 mm) around tube well casing, plat from of ext dimensions 1000 x 1000 x 150 mm at ground level with PCC 1:4:8 type D2 foundation using 40 mm stone aggregate including necessary form work and supply and placing of 50 mm bore light grade, GI pipe, at two places each 1.0 m in length for pouring of peagravel (in future) and capping with screwed cap at top side end etc., complete all as specified and directed. |
| 13 | Material and labour for strata sample (at every 5 meters depth) one set in suitable box pattern, earth sample strata should be produced as per IS and submitted to the department. The box shall be 2nd class hard wood with suitable locking arrangement complete all as specified and directed. |
| 14 | Material and labour for borewell chart on acrylic sheet of size 60 cm x 30 cm duly marked permanent marking including 12 mm thick ply wood frame, clamps for fixing on wall etc all as specified anddirected. |
| 15 | Supply and lowering of High density polyethylene pipes (HDPE) of pressure rating 6 kgf/cm2 fixed complete to walls, ceilings or in floors, lowering in to borewell as column pipe etc. of size 50 mm nominal dia, ISI markedincluding fixing of necessary SS nipple on both sides for fixing of submersible pump and existing water supply pipe line with flanges and bolts & nuts required at site etc., complete all as specified and directed. |
| 16 | Supply and Fix spiral wound PVC rope not less than 16 mm dia connected to both submersible motor and bore well clamp on top as specified and as directed. |
| 17 | Supply and fix PVC insulated and PVC sheathed multi stranded copper conductor cable for submersible pump set, ISI marked, conforming to IS-864 of size 3 core 6 Sqmm, 1100 volts grade, including necessary water proof connection to submersible pump at cable lead complete all as specified and directed. |
| 18 | Supply install, testing and commissioning multi stage submersible pump capable to deliver 120 to 240 LPM or more water at head of 130 to 75 Mtr (approx) lowered into 150 mm dia borewell and connected with 50 mm dia HDPE column pipe and 6 Sqmm copper conductor submersible cable having diffuser casing construction and bronze impellers dynamically balanced rotor and pump shaft with impeller with outlet size 50 mm and motor 7.5 HP suitable for operation on 3 phase 415 volts, disc suction strainer cable guard etc. complete all as specified and directed. Make - Kirloskar Model No- KS6B0815 or equivelant. |
| 19 | Supply and fix cast iron non return valve with ball and gasket made of neoprene type rubber scaling ring made of loaded in bronze 80 mm dia with by pass arrangement complete all as specified and directed. |
| 20 | Supply and Fix Star-Delta starter 7.5 HP 3 phase, 415 Volts 50 Hz with single phase, Over load, under voltage and Dryrun preventer, suitable contactors and relays with Volt meter and Ammeter, selector switch all prewired and enclosed in a sheetmetal enclosure with locking arrangements etc complete fixed in LT Panel/ Feeder box etc by means of suitable screws, Bolts and Nuts complete all as specified and as directed. (01 No working and 01 No standby) |
| 21 | Supply and Fix pressure gauge 0 to 10 Kg/Sqcm range with necessary siphon and 15mm dia stop valve including 15mm dia GI pipe not exceeding 0.25 Mtr in length on rising main including drilling tapping on GI/CI pipe line complete all as specified and directed. |
| 22 | Supply and Fix, heavy duty PVC air release valves with single air outlet 25 mm dia bore and fixing up in GI water supply mains of 80 /100 mm dia including all fittings and fixtures required at site complete all as specified and directed. |
| 23 | Supply and Fix, connecting and testing of CI sluice valve of 80mm dia both ends flanged, with CI body and brass spindle with bolts and nuts, operating wheel etc., non rising type, ISI marked, class PN-1.6 including jointing material rubber gasket, complete all as specified and as directed. |
| 24 | Construction of 230mm thick PCC block masonry wall valve chamber built in CM 1:6 of size 1000 x 1000 mm x 900 mm deep (Internal size) with 100 mm thick foundation using PCC 1:4:8 type D2, 15 mm thick internal plaster in CM 1:4, 3 mm thick MS sheet cover, double door, 50 mm x 50 mm x 6 mm MS angle frame fixed with hold fasts in PCC 1:2:4 type B1 coping 50 mm thick, 20 mm x 6 mm flat iron hinges with locking arrangement, MS handles and applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces including excavation & earth work in any type of soil/rock and disposal of surplus soil to a distance not exceeding 50 Mtr complete all as specified and directed. |
| 25 | Supply and Fix, GI medium grade 80 mm dia any ISI marked including all new ISI marked fittings like like bends, tees, sockets, reducers etc., including jointing, threadingworks required at site and breaking of wall/PCC flooring, pipe line supports etc for laying pipes and making good the disturbed surfaces and make leak proof joints etc complete all as specified and directed. |
| 26 | All as per ser item No 19 above but 50mm bore |
| 27 | All as per ser item No 19 above but 40mm bore |
| 28 | All as per ser item No 19 above but 25mm bore |
| 29 | Supply, installation and testing of water meter80 mm dia made up of brass including provn of stainer and connecting pieces, jointing materials etc., and connected to water mains complete all as specified and directed.Make:- Capstan/ Kirloskar/ Anand Asahi or equivelant as approved by GE. |
| 30 | Supply, install, testing and commissioning of LT panel board, floor mounted, cubical type, outdoor, double door type, dust proof, asthetically designed fabricated from 3.15 mm thick CRCA sheet with front and rear opening conforming to IS-8623 and including of bus bar chamber contineous length of panel, GI earth strip, bus bar din rail channels, cable alley, panel exhaust fan - 02 Nos with its control switches, danger notice board, MS angle iron frame of size 40 mm x 40 mm x 6 mm, 0.60 Mtr above ground level and 0.40 Mtr grouted in ground/floor including necessary excavation in foundation in PCC 1:4:8 type D2 complete with locking arrangement, painting with powder coated rust proof paint, connecting incoming and out going cable connections with suitable lugs, nuts, bolts, washers and cable glands prewired complete with suitable size PVC insulated fire retardant copper conductor, complete as directed and shall consists of the following items: - (for bore well) |
| 31 | Aluminium bus bar 3 phase and neutral, of suitable capacity for 125 Amps, 4 strips of continuous length duly covered with insulated cover sleaves. Phase indicating lamps, modular type (R-Y-B) 3 Nos.Volt meter 0 to 500 V with selector switch Digital type - 1 No.Ammeter 0 - 200 A with necessary CTs and selector switch digital type - 1 No.MCCB 100A, 3 phase 415V, 4 pole, breaking capacity 25 KA rating with adjustable thermal - magnetic type-01 No. (Incommer)MCCB 63 A, 3 phase 415V, 3 pole, breaking capacity 16 KA rating with adjustable thermal - Fixed magnetic type - 01 Nos. (Out going for spare)MCCB 32 A, 3 phase 415V, 3 pole, breaking capacity 16 KA rating with adjustable thermal - Fixed magnetic type - 02 Nos. (Out goings for Borewells)Space for provn of Stardelta starters against item sl No-14 above-02 Nos (01 No is working and 01 No is standby)Capacitor 5 KVAR = 03 Nos with independent control of MCB TP-32AMCB SPN 40 Amps - 03 Nos. |
| 32 | Supply and fix, Earthing of machinery/equipments installed at power house, substation/poles/buildings complete with galavanized steel earth plate electrode of size 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 meter deep below the normal ground level) with top edge of plate not less than 1.5m below normal GL, connected to GI earth strip 32x6mm as earth lead connected by means of bolts, nuts, washers check nuts made out of galvanized iron or steel all as shown on electrical plate No.3 of SSR Part-I connected to continuous earth wire complete all as specified and directed. Note: 1.The unit rate shall also include for earth work in any type of soil/rock, PCC (1:3:6) type C1 chamber, RCC 1:2:4 type B1 cover 50mm thick reinforced with 8mm dia TMT bars @ 150mm C/C both ways, funnel with watering pipe 20mm medium grade, GI protection pipe light grade 40mm dia and wire mesh, Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos 8mm dia 25mm long hex head screw, common salt, charcoal dust/breeze etc. all specified and directed.Note: 2.Earthing lead and GI protection pipe beyond 7.5 Mtr will be measured and paid separately under relevant item of schedule. |
| 33 | Earth continuity condcutor or main earthing lead 32 mm x 6mm galvanised iron strip or earth lead complete all as specified and directed. |
| 34 | Supply and Fix, acrylic glow sign board of size 3.0 ft x 2.0 ft with necessary provision of lighting with 1x10 W LED light fitting complete with accessories and cabling arrangement and writing permanant marking letters as specified and as directed at site, installed above GL with 40x40x6mm angle iron frame work, painted with two coats of synthetic enamel paint fixed in and including suitable PCC (1:3:6) type C-1 foundation complete all as specified and directed. |
| 35 | Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in Hard / Densesoil all as specified and as directed. |
| 36 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose/hard/dense soil all as specified and as directed. |
| 37 | Removing excavated material (soils) not exceeding 50m and depositing where directed at a level not exceeding 1.5 m above the starting point. |
| 38 | Supply and laying in any length DWC HDPE pipe of outer dia of 50 mm and inner dia 40mm polyethylene (PE) with smooth internal and profiled external surface for non-pressure for underground cable including bends complete all as specified and directed Make : \"\" Rex Polyextrusion Ltd\"\" or equivalent as approved by GE in writing. |
| 39 | Supply & Laying, jointing, testing and commissioning 1100 volts grade, XLPE insulated, PVC sheathed, armoured heavy duty electric cable with multistranded aluminum conductor 25 sqmm X 3.5 Core laid in trenches / passing through pipes & ducts / road crossings / on poles & walls including jointing material such as lugs, cable glands etc complete all as specified and directed. |
