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| 1 | Preliminary site survey & preparation of drawing and As-build drawing. |
| 2 | Transportation cost of Pilot Bore Machine, Equipment and Accessories etc. including cost of fuel, Lubricant & loading unloading of the machineries at working site. |
| 3 | Site Preparation and Cost of Temporary accommodation (Temporary Shed, Urinal, Latrine etc.) at site. |
| 4 | Cost of Electrification alongwith hire charges of Generator Set including fuel at working site. |
| 5 | Earth work in excavation of foundation trenches or drains in all sorts of soil (including mix soil but excluding laterite or sand stone) including removing, spreading or stacking the soils within a lead of 75 m. as directed. The item includes necessary ramming the sides of trenches, levelling, dressing and ramming the bottom, boiling out water etc, as required complete. |
| 6 | a) Depth of exacavation not exceeding 1.50 mtr. |
| 7 | b)Depth of excavation for additional depth beyond 1500 mm and upto 3000 mm but not requiring shoring. |
| 8 | Driving M.S. sheet piles of any kind of approved type and size conforming to IS code in all kinds of soil/ soil mixed with gravel, shingle & pebbles, by monkey hammer including handling, cutting to requisite size, drilling holes, hoisting in position, welding, fabrication of sets of tapper piles, corner piles etc. with clutch bars as may be required including staging, scaffolding and hire charges of driving machinery and equiepments, craping and cleaning piles, painting the sufrace with one coat of surface primer of approved make and brand and two coats of ready mixed oil bound paint (except red lead and black japan) etc. including all cost of labours, supply and carriage of equipments to site (by any mean) as per drawing and direction of EIC but excluding the cost of sheet piles.N.B. Measurement of area underground to be taken i.e. straight length of pile multiplied by driven length. |
| 9 | Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by through saturation with water ramming complete including the cost of supply of sand. |
| 10 | Single Brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with powdered earth or local sand. |
| 11 | Ordinary cement concrete (1:2:4) cement concrete with graded stone chips (50mm size) excluding shutering and reinforcement, if any, in ground floor and foundation slab of valve chember etc. Pkur/Chandil variety. |
| 12 | Placement, leveling & utilization charges of Pilot Bore Machineries, Water Tanker etc., and Cost of Drilling Fluid supply & slurry removal from site. |
| 13 | Pilot boring by drilling head attaching multi frequent, high powerful transmitter to reach the target point from entry point under the road / rail track / canal etc. maintaining required depth, angle and horizontal alignment and enlarging the bore hole by reaming to pull the casing / carrier pipes by trenchless method. |
| 14 | 300 mm. dia. |
| 15 | Supply of 250 mm dia (ID) 8.0 mm thick M.S. pipe as per specification and direction of Engineer-in-charge. |
| 16 | Welding in MS structural work with gas or electric.(b) Continuous weld. |
| 17 | Derusting, brushing, cleaning and smoothening throughly the inner surface of spirally welded mild steel and specials by sand blasting to SA-1 SWEDISH specification and immediately after sand blusting applying protection coating (reasistant to corrosion and contamination of dinking water) of Drinkon Alluminium Primer two coats, DFT (40-50) microns each coat of salimer paints limited or equivalant by spray painting in the inner surface of pipes as per manufacturers specification, all complete with supply of requisite materials, labour consumable etc. including staking of coated pipes properly as per specifiction, direction and satisfection of EIC. |
| 18 | Derusting, brushing, cleaning and smoothening throughly the outer surface of spirally welded mild steel and specials by sand blasting to SA-2 1/2 SWEDISH specification immediatel;y after sand blusting applying one coat of fast drying synthetic primer and their after applying coating and wrappling to the pipes (already coated with primer) as per IS: 10221/ thermofusion process by ter based polymeric corrosion protection tape as per IS:10221 specification consisting of 3 layers of polymeric mix 1 layer of fiber glass matte and 3 layer of HMHDPE flim all calendered to gather to form the 4 mm thick tape minimum overlap to be maintained for pipe 8.0 mm and for welding joinins 50 mm on both side of the welid immediete after the raping coating is complete a final coat of wightwash with water based cement paint is to be done over the entire coated pipe as per specifiction and direction of EIC ioncluding the cost of labour and materials all complete. (Payment will be maid on the finished net area only) |
| 19 | 300 micron food grade epoxy as internal linning to MS pipe. |
| 20 | 1000 micron polyurethanr ( PU) as outside coating to MS pipe. |
| 21 | Extraction of driven sheet piles carefully by chain pulley block and rope drum or equivalent arrangement, stacking at site at a suitable location witin a lead of 100 metre from the site of work as per direction of the Engineer-in-charge. |
| 22 | Add : GST (@ 18%) |
| 23 | Add : Cess (@ 1%) |
