Kerala Water Authority-KWA has published State Plan 2020 21 Wss To Vazhakulam Kizhakkambalam Kunnathunadu Replacement Of 90 Mm Pvc And 110 Mm Pvc Distribution Line 2500 And 1500 M Respectivey With 90 Mm And 110 Mm Hdpe Pipe In Anchamilepalamkuruppampadyneelimala Sc Colony Double Palam Ka. Submission Date for this Tender is 24-12-2021. Pipe Laying Tenders in PH Division ,Aluva Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 23-Dec-2021 | Date extension | Date | 24-12-2021 |
| Sl. No. | Item Description |
| 1 | Working Cost |
| 2 | Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil (Ref. Item No. 2.10.1 of DSR) |
| 3 | Fencing one side of trenches, 1.50 m height with two rows of 10 cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2 m intervals. (Data Prepared based on PWD SDB - Item No.1009) |
| 4 | "Laying HDPE pipes (IS : 4984)on land portion including conveying within initial lead and aligning the pipes, electro-fusion welding using automatic or semi automatic electrofusion machines, testing the pipe line thus fabricated to suit the hydrulic working pressure and after testing , aligning the pipeline, lowering the pipe in position into the trenches already made, testing the line to suitable pressure with potable water before back filling and leveling the trenches including all labour charge, hire for appliances etc. complete but excluding cost of pipe and fittings.90 mm OD HDPE pipe" |
| 5 | Laying HDPE pipes (IS : 4984)on land portion including conveying within initial lead and aligning the pipes,electro-fusion welding using automatic or semi automatic electrofusion machines, testing the pipe line thus fabricated to suit the hydrulic working pressure and after testing , aligning the pipeline, lowering the pipe in position into the trenches already made, testing the line to suitable pressure with potable water before back filling and leveling the trenches including all labour charge, hire for appliances etc. complete but excluding cost of pipe and fittings. 110 mm OD HDPE pipeNEW DATA |
| 6 | Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. but excluding cost of pipes and fittings - External work. 80 mm dia nominal bore Data derivedfrom item no.18.12.8 of DAR Data for 10 m |
| 7 | Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. but excluding cost of pipes and fittings - External work. 100 mm dia nominal bore Observed Data derived from item no.18.12 of DAR |
| 8 | Conveying and fixing C I Single acting AirValve of approved qualitywith bolts,nuts,rubber insertions etc . excluding the cost of airvalve(the tail pieces if required will be paid seperately): 25 mmSingle acting Air Valve Observed Data derivedfrom item no.18.59.of DAR |
| 9 | "Conveying and fixing C.I. sluice valves (with cap)by providing complete with bolts, nuts, rubber insertions etc. excluding the cost of valve (the tail pieces if required will be paid separately) : 100 mm diameter. Class I" Data derivedfrom item no.18.31.1.1of DAR |
| 10 | "Conveying and fixing C.I. sluice valves (with cap)by providing complete with bolts, nuts, rubber insertions etc. excluding the cost of valve (the tail pieces if required will be paid separately) : 80 mm diameter. Class I" Observed Data derivedfrom item no.18.31.of DAR |
| 11 | Interconnecting the newly laid 90 mm HDPEline with the existing110 mm PVC pipe of size using 110X110X110 PVC Tee, 110mm PVC pipe, 90 PVC Pipe, 110x 90 R/C, 90mm CIR Joint etc. Rate includes cost of supply of all specials,earth work excavation in all classes of soil etc..complete as per the direction of departmental officers. |
| 12 | Interconnecting the newly laid 110 mm HDPE pipeline with the existing 110mm PVC pipe using 110X 110X 110 PVC Tee, 110mm PVC pipe, 110mm CIR Joint etc. Rate including cost of supply of all specials,earth work excavation in all classes of soil etc..complete as per the direction of departmental officers. |
| 13 | Supply of 80 mm GI Bendmedium ,suitable for potable water supply as per the direction of departmental officers. |
| 14 | Supply of 100 mm GI Bendmedium ,suitable for potable water supply as per the direction of departmental officers. |
| 15 | Supply of 100 mm GI pipemedium ,suitable for potable water supply as per the direction of departmental officers. |
| 16 | Supply of 80 mm GI pipe medium ,suitable for potable water supply as per the direction of departmental officers |
| 17 | Supply of GI Threaded Coupling, 80mm. |
| 18 | Supply of GI Threaded Coupling, 100mm. |
| 19 | Supply of CI Air Valve, Conforming to IS 14848 - 2000, Single Orifice, Small Orifice Type S1, Size 25mm. |
| 20 | Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 100mm. |
| 21 | Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 80mm. |
| 22 | Shifting the water connection house / tapconnection from the existing line to the newly laid line by supplying and fitting suitable saddle clamp ,ASTM bend,union,elbow,coupling reducer ,barrel piece,GM valve etc. complete. |
| 23 | Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffice diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation. |
| 24 | Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge. |
| 25 | Laying old cement concrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost.) |
| 26 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) |
| 27 | Construction of valve Chamber of size (1 x 1 x 1 ) for sluice valve including excavation, PCC 1:3:6 15 cm thick using 20mm broken stone for foundation ,RCC 1:1.5:3 (for sides wall of 20cm thick, bottom slab of 15 cm thick) and plastering with 1:4 12 mm thick |
| 28 | Supply of HDPE all Specials and fittings |
| 29 | MATERIAL COST |
| 30 | Supply of PE Pipe, PE100, PN8, 90mm dia, conforming to IS 4984/2016. |
| 31 | Supply of PE Pipe, PE100, PN8, 110mm dia, conforming to IS 4984/2016 |
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