Public Health Engineering Department-PHED has published Tender For Ms Pipeline Crossing By Adopting Trenchless Technology (I.E. Jack Pushing Method Etc.) For Railway Crossing In Between Mast No. 29/16, 29/18 And 29/16A, 29/18A In Between Bamangachi Station And Duttapukur Station Including The Cost Of Casing An. Submission Date for this Tender is 01-09-2023. Pure Elemental Gases Tenders in habra West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 23-Aug-2023 | Date corrigendum | Date | 01-09-2023 |
| Sl. No. | Item Description |
| 1 | Hire charges of Machinery & Equipments, viz, Hydraulic jack, DG Set, Crane/Hydra, pump for dewatering, JCB etc. as per requirment at site including cost of fuel, tools & tackles. |
| 2 | Hiring & driving MS sheet piles |
| 3 | Supply at site, fabricated M.S. pipe as per IS : 3589 having grade FE410 in shop out of required thickness plate (SAIL/TATA) cutting the plate to exact shape and size by gas cutting device, bending the same in true curvature by template and rolling machine of approved designe in prper making leveling joints followed by electric arc are welding (minimum 4 run including roat welding) and grinding of surface to V shape as per IS specification longitudinal, circumferential, as necessary using standered E6013 electrodes including edge preparation, electricity cherges all complete as per direction of EIC. --- a)900 mm dia (Internal) MS Pipe of 12.5 mm thick wall |
| 4 | b) 500 mm dia MS Pipe of 12.5 mm thick wall |
| 5 | Welding in MS structural work with gas or electric. -- Continuous weld. |
| 6 | Pipe Jacking from the driving pit inluding cost of labour, dewatering etc. |
| 7 | Labour for earth cutting, earth filling, removal of soil etc, as per site requirement @ 10 nos. labourer per day. |
| 8 | 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. |
| 9 | 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) |
| 10 | 300 micron food grade epoxy as internal linning to MS pipe. |
| 11 | 1000 micron polyurethanr ( PU) as outside coating to MS pipe. |
| 12 | 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. |
| 13 | Supply of (DI) Special (Mechanical joint, flange Socket,Flange Spigot, Flange Adopter, Bend, Tee, Reducer etc. as perIS: 1538, IS 9523, T Type , K Type and 533) with latest amendent offered rate for Kg. including al taxes, dutiesl, charges as appalicble & payable & delivery to destination which include unloading, Stacking, carrage (payment will be made as per book Weight). |
| 14 | 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. |
| 15 | Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. |
| 16 | Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge-black annealed wire at every intersection, complete as per drawing and direction. |
| 17 | Withdrawing & removing sheet piles |
| 18 | Add : GST (@ 18%) |
| 19 | Add : Cess (@ 1%) |
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