|
| 1 | Ground water survey and resistivity test for bore well to locate and identify the suitable site (point) for potable and good yield water by any Government or Govt approved agency by geologist and report to be submitted and approved by GE before drilling the borewell complete all as specified and as directed. |
| 2 | M&L for drilling of bore well by deploying required plant and machinery for boring 200mm dia size pilot bore through any kind of soil / strata including hard stone/boulder by direct rotary method up to and including 60 metre depth below ground level complete all as specified and as directed.Note : 01 (one) trial hole to be done at site and rate for the same as deemed to be included in the quoted rate complete all as specifiedand as directed (Each Bore 60m). |
| 3 | All as per Serial item No. 2 here-in-before but for depth from 60 metres below ground level up to 90 metres depth (Each bore 30 metre). |
| 4 | All as per Serial item No. 2 here-in-before but for depth from 90 metres below ground level up to 120 metres depth (Each bore 30 metre). |
| 5 | Development of trial bores by reaming 525mm dia for 60 metre depth from ground level complete all as specified and directed. (Each bore 60 metre) complete all as specified and as directed. |
| 6 | All as per Serial item No. 5 here-in-before but for depth from 60 metres below ground level up to 90 metres depth (Each bore 30 metre). |
| 7 | All as per Serial item No. 5 here-in-before but for depth from 90 metres below ground level up to 120 metres depth (Each bore 30 metre). |
| 8 | M&L for developing the tube well with 300 PSI, 450 CFM capacity air compressor as required until clear water is obtained including transportation, errection and dismantling of air compressor. Time for devloping the tube well be not less then 08 hours per borewell complete all as specified and directed by Engr in charge. Note : Compressor, pump, pipe and other allied items will be arranged by contractor and quoted rate shall be deemed to be all inclusive. No extra payment admissible. |
| 9 | Developing tube well with compressed air and after with 25% extra capacity pump by pumping muddy water along with required plants and equipments tools and sockets till sand free water of potable quality complete all as specified and as directed. |
| 10 | Yield test for the borewell by applying V-Notch method with continuously pumping for 16 hours to determine safe pumping yield including draw down test, verticality test and aquifier performance test and chemical including biological test from a Govt testing laboratory complete all as specified and as directed. |
| 11 | Supply, assembling, lowering and fixing in vertical position in bore well, unplasticised PVC medium well casing (CM) pipe of 250mm diameter (Internal), minimum wall thickness 12.5mm conforming to IS 12818-2010 including fittings fittings and accessories, etc. for all depths complete all as specified and as directed. |
| 12 | Supply, assembling, lowering and fixing in vertical position in bore well, unplasticised PVC medium well casing (CM) pipe of 150mm diameter (Internal), minimum wall thickness 7.5mm conforming to IS 12818-2010 including fittings fittings and accessories, etc. for all depths complete all as specified and as directed. |
| 13 | Supply, assembling and lowering 150mm inner dia unplasticised PVC medium well screen (RMS) with ribs with minimum wall thickness under ribs as 7.5mm confirming to IS: 12818-2010 including fittings and accessories, etc. for all depths complete all as specified and as directed. |
| 14 | Supply and fixing well cap suitable for 250mm dia internal dia housing pipe, made out of 8mm thick steel plate duly welded with locking arrangement with holes for passing 10 sq.mm flat submersible cable complete all as specified and as directed.Note : After completion of the work the cap will be used to keep the tube well closed until the pump set is installed. |
| 15 | Supply, lowering and jointing GI pipe, heavy class column pipe as per IS- 4270/2001 as amended upto date duly ISI marked, 100mm dia, 3m long, heavy grade, 8.0mm wall thickness, flage ended complete with nuts, bolts, washers and rubber gasket including groove for cable entry system and applied with two coats of black bituminous paint (food grade) on both inside and outside surfaces of pipe after preparation of surfaces complete all as specified and directed. |
| 16 | S&F cast iron sluice valve of size 100mm bore, Class PN 1 6, long body type, with brass spindle, both ends flanged with holes, ISI Marked (IS 14864-2000), including carbon steel nuts, bolts and washers, rubber gaskets, etc, with Cl wheel, fixed to water mains complete all as specified and as directed. |
| 17 | S&F cast iron non return valve, heavy duty, class PN 1.6 both ends flanged conforming to IS, suitable for 100mm bore pipe (horizontal type) including carbon steel nuts, bolts ande wahsers, rubber gaskets, etc. complete all as specified and as directed. |
| 18 | S&F pressure gauge in pipe line 100mm dia, 0 to 10 Kg/Sq.mm including all necessary fittings complete all as specified and as directed |
| 19 | Cutting of existing GI/Cast Iron pipe for insertion of new Tee of upto 150mm bore including jointing materials complete all as specified and as directed.Note : Cost of new Tee is deemed to be inclusivbe with the quoted rate. |
| 20 | Supply, laying, jointing and testing of XLPE insulated armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross sectional area 50 Sq.mm, 3.5 core, laid in trenches/floor or fixed on wall/pole including suitable size of brass compression cable gland, terminal lugs, etc. complete all as specified and as directed. |
| 21 | Excavation in trenches not exc. 1.0m wide and not exc. 1.5m in depth for taking out/laying CI/GI pipes and getting out in soft/loose soil complete all as specified and as directed. |
| 22 | Removing excavated soils to a distance not exceeding 50m and depositing where directed at a level not exc. 1.5m above the starting point complete all as specified and as directed. |
| 23 | Returning filling in soft/loose soil, including spreading levelling, watering and well ramming in layers not exc. 25cm complete all as specified and as directed. |
| 24 | M&L for sand cushioning (dry) in trenches for protection of UG cable (below, above and around the UG cable laid in trenches) of 230mm spread thickness and consolidated (punned) upto 180mm thickness complete all as specified and as directed.Note : Punned thickness shall be measured for payment. |
| 25 | M&L for 32mm bore galvanised steel tubing, medium grade, laid in trenches or floors / road / drain / fixed to wall, poles, etc. with suitable size clamps completed all as specified and as directed. |
| 26 | Supply, lowering, fixing, commissioning and testing submersible pumping set in borewell, electrically driven, 415 volts three phase, AC, 12.5 HP capacity, with other connected accessories and necessary electrical connections complete all as specified and as directed. |
| 27 | Supply and installing sample box for displaying samples of strata made out of teak wood plants 25mm thick boards duly french polished out side, size of sample box 1000mmx1000mm, required nos of samples bins provided with front openable glazed shutter, 25mm thick duly fitted with 2 Nos 75mm aluminum hinges and 75mm aluminum anodized hasp and staples for locking arrangementcomplete all as specified and as directed. |
| 28 | Supply and filling pea gravel of size 3mm to 6mm for parking around the housing/assembly, slotted pipe of the bore well complete all as specified and as directed.Note : Pea gravel shall be paid as per stack measurement carried out at site. |
| 29 | S&F accessones for UPVC casing pipes 250mm to 150mm such as UPVC reducer, socket complete all as specified and as directed.Note : The specifications of these items should comply with the requirements for the scope of work and complete to the satisfaction of Engineer-in-Charge. |
| 30 | Testing of raw and treated water for all parameters covering complete chemical and bacteriological aspect from RRL/CSIR, Jorhat/DRL Tezput or any Govt approved/recognized Lab as approved by the GE complete all as specified and as directed. |
| 31 | Electric logging in pilot bore for continuous process delineation of granular zones as also the quality of ground water including report interpretation complete all as specified and as directed.Note : Electric logging shall be carried out by approved agency. |
| 32 | S&F PVC insulated and sheathed flat stranded copper conductor cable of size 10 sq.mm, 3 core water proof submersible cable including lug and fixed in submersible pump set complete all as specified and as directed. |
| 33 | S&F centralizing guide made out of 40x6mm MS flat iron and 16mm dia MS deformed bars suitable for 100mm bore MS pipe complete all as specified and all as shown in IS 2800 (Part-I) 2009 complete all as specified and as directed. |
| 34 | M&L for earthing complete with galvanised steel earth plate electrode of size 60cmx60cmx6mm buried directly in ground vertically to a depth not less than 2.25m below ground level with top edge of earth plate at a depth not less than 1.5m below normal ground level connected to galvanised steel earth lead strip of size 32x6mm by means of nuts, bolts, check nuts and washers of galvanished steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C-1 (using 20mm graded stone agreegate), precast RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) of cover slab of size 45cmx45cmx55cm, reinforced with 8mm dia TMT bars 150mm centre to centre both ways, with one handle for lifting made out of 8mm dia MS bar, provision of funnel wire mesh 20mm bore galvanised steel tubing (Medium Grade) for watering charcoal or coke and salt in alternate layers. 40mm bore galvanised steel tubing, medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil and including necessary testing after complete all as shown in Figure 15A of IS 3043: 1987 complete all as specified and as directed. |
| 35 | M&L for plain cement concrete (1:2:4) type B-1 (using 20mm graded aggregate) as in coping, benching and similar items incuding necessary formwork, etc. complete all as specified and as directed. |
| 36 | S&F mild steel framed works as joist, channels angle or tee sections, fixed independently without connecting plates conforming to FE 410-W (Gde E-250) quality \"A\" complete all as specified and as directed. |
| 37 | M&L for preparation of new steel surfaces over 10cm width or girth and applying two coats of synthetic enamel paint over and including one coat of red code primer complete all as specified and as directed. |
| 38 | M&L for brick work with sub class \"B\" bricks, straight or curved on plan exceeding 6m mean radius, built in cement mortar (1:4) complete all as specified and as directed. |
| 39 | M&L for rendering 10mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) complete all as specified and directed. |
| 40 | Supply and laying galvanised iron pipe, medium grade, 100mm dia, ISI marked with all fittings (such as bends, elbows, tees, short pieces, connectors, back-nuts, caps, plugs, unions, etc.) laying in trenches/floor/ducts and also cutting pipes, screwing, wash and for making forged bends on piping as required including welding if necessary to connect with the existing water supply system complete all as specified and as directed. Note : Flanges in pipe lines shall be provided at an interval not exceeding 30 meters in continuous lengths. |
| 41 | M&L for bends, tapers, tee pieces (single & double branch) any type and angle/radius and straight connecting pieces but all ends flanged upto 150mm bore complete all as specified and as directed. |
| 42 | Supply and laying bricks common burnt clay building bricks (old size) with sub class \"B\" bricks, designation 75 complete all as specified and as directed.NOTE:- The contract sum shall be derived by deducting the amount shown in Schedule of Credit attached to this tender from total amount of Schedule \"A\"/BOQ. |
