Bharat Sanchar Nigam Limited-BSNL has published Nit For The Work Augmentation Of Water Supply Through 150 Mm X 200 Mm Deep Tube Well With Pvc Pipe By Rig Boring System At Nscbttc Complex , Kalyani Augmentation Of Water Supply Through 150 Mm X 200 Mm Deep Tube Well With Pvc Pipe By Rig Boring System At. Submission Date for this Tender is 23-12-2020. PVC Pipe Tenders in Simanta Buddha Park Connector, Block B, Kalyani,WB West Bengal. Bidders can get complete Tender details and download the document.
| Name Of work:- Augmentation of water supply through 150 mm x 200 mm deep tube well with PVC pipe by Rig boring system at NSCBTTC complex, Kalyani. | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Labour for boring through any type of soil for sinking tube well of required dia with top enlargement by rig boring system (either by reserve circulation or by direct rotary method) including hire charge and labour fkr rig machine, tools and plants, stagging force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes strainers, blind pipes etc. complete.(a) For depth 250 mtr. For 150 mm dia tube well with top enlargement of 200mm dia (upto 50 meter). | |||
| 2 | 1.1 | First 50 meter. | 50 | Mtr | |
| 3 | 1.2 | Next 51 Mtr to 100 mtr. | 50 | Mtr | |
| 4 | 1.3 | Next 101 Mtr to 150 mtr. | 50 | Mtr | |
| 5 | 2 | Supply PVC rigid pipes & fittings (medium duty) conforming to ASTMD -1785 & Threaded to match with G. I. pipes as per IS : 1239 (Part-I): (a) PVC rigid pipes (Dia) | |||
| 6 | 2.1 | 150 mm | 70 | Mtr | |
| 7 | 2.2 | 200 mm | 40 | Mtr | |
| 8 | 3 | Sypplying fibre glass reinforced Epoxy resin strainer of 1mm slot width in 6.1 m length of approved make and as per direction of the Engineer in charge. | |||
| 9 | 3.1 | 150mm nominal dia. : 7 mm wall thickness,. | 30 | Mtr | |
| 10 | 4 | Pluging the tube well blank pipe Bottom of Tube well by lead wool carefully i/c cutting column pipe complete as per direction of Engineer in charge. | 1 | Each | |
| 11 | 5 | Supplying, fitting and fixing heavy type PVC ball month reducing socket.\n200 x 150 mm. | 1 | Each | |
| 12 | 6 | Supplying, fitting and fixing G. I. cap at top. | |||
| 13 | 6.1 | 200 mm. | 1 | each | |
| 14 | 7 | Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per day with necessary arrangements for testing the yield in gallons per hour with 'V' notch including hire and labour charges for all tools and plants and scaffolding as required complete in all respect. | 5 | day | |
| 15 | 8 | Collecting sample of water for bactrological and chemical test from any depth at any time during execution at work including hire and labour charges flor tools and plants and sterilising the equipment, paying all charges and fees, testing etc. complete in all respect as per direction. | 1 | Job | |
| 16 | 9 | Packing the annular spece between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5mm or the size approved by the Engineer in charge including cost of all materials labour and equipment complete. | 25 | cum | |
| 17 | 10 | Geophysical investigation of the aquifer by electro logging system with all tools and plants as necessary including supply of necessary report. | 1 | job | |
| 18 | 11 | Supplying M. S. male / female adopter of approved make and brand for coupling of M. S. pipe and fibre glass strainers as per direction of the Engineer in charge. | |||
| 19 | 11.1 | 150 mm. | 1 | each | |
| 20 | 12 | Supplying fitting and fixing upto 300 mm M. S. housing clamp of approved quality. | 1 | set | |
| 21 | 13 | Providing 200 mm centre guide. | 5 | set | |
| 22 | 14 | Deduct for not jointing and lowering vertically PVC pipe within the blank bore for availablity of anticipated better strats of soil. | 10 | mtr | |
| 23 | 15 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : | |||
| 24 | 15.1 | 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 20 mm nominal size) | 1.5 | Cu m | |
| 25 | 16 | Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: | |||
| 26 | 16.1 | Cement mortar 1:6 (1 cement : 6 coarse sand) | 1 | Cu m | |
| 27 | 17 | 12 mm cement plaster finished with a floating coat of neat cement of mix : | |||
| 28 | 17.1 | 1:4 (1 cement: 4 fine sand) | 5 | Sq m | |
| 29 | 18 | Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work | |||
| 30 | 18.1 | 25 mm dia. nominal bore | 5 | Metre | |
| 31 | 18.2 | 25 mm dia. nominal bore | 10 | Metre | |
| 32 | 18.3 | 25 mm dia. nominal bore | 50 | Metre | |
| 33 | 19 | Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete : | |||
| 34 | 19.1 | 25 to 40 mm nominal bore | 5 | Metre | |
| 35 | 19.2 | 50 to 80 mm nominal bore | 5 | Metre | |
| 36 | 20 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : | |||
| 37 | 20.1 | 25 mm nominal bore | 2 | Each | |
| 38 | 20.2 | 40 mm nominal bore | 8 | Each | |
| 39 | 20.3 | 50 mm nominal bore | 4 | Each | |
| 40 | 20.4 | 80 mm nominal bore | 1 | Each | |
| 41 | 21 | Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) | |||
| 42 | 21.1 | 40 mm nominal bore | 5 | Each | |
| 43 | 21.2 | 50mm nominal bore | 3 | Each | |
| 44 | 21.3 | 80mm nominal bore | 1 | Each |
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