Tender for Kerala Rural Water Supply and Sanitation Agency - NTID 30605072
Kerala Rural Water Supply and Sanitation Agency
Thodupuzha, Kerala, India
NTID 30605072
- Opening Date : Wed 1st February, 2023
- Closing Date : Mon 30th January, 2023
- ₹ 2217150.00
- NTID 30605072
Open Well Recharge For Well With Diameter Up To 2m, Under State Plan Scheme In Thamarakkulam Grama Panchayath Of Alappuzha District
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721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
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721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
Costs
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EMD
50000.00 -
Document Cost
2500.00 -
Estimated Cost
2217150.00
BOQ Items Total Items : 2 | Total Qty : 117
# | Item | Quantity | Units |
---|---|---|---|
1 | Roof Water harvesting and Open Well Recharge | ||
2 | Supply and fixing gutter pipe with 160 mm PVC 4 kg/cm2 at the edge of the roof and 90 mm PVC 4kg/cm2 down pipe from the Gutter pipe already fixed in [position up to the filter pit and from filter pilter pit to well including all clamping/welding clamps for olding the gutter pipes/down pipes in the position including cost of all specials, end closures, tees and labour charges etc complete. Supplying & fixing 90mm PVC valve for flushing out first flow of roof water including cost of tee, bend etc. labour for dismanting the well parapet to insert 90mm PVC pipe and making good after work: earth work in all classes of soil excluding dressing of sieds remaning of bottom (lift upto 1.5 m) and getting out the excavated earth 50m away from the edge of the trench etc: (care should be taken to protect the side wall of the well as per direction): supplying, conveying and placing in position (one above the other) 5 nos precast concrete circular rings of outer diameter 0.9m to 1.2m and height 0.3 m inside the site lowering it in to the excavated portion of the existing well, (below ground level at adepth 0.9m-3 nos rings) seating over cement concrete pointing the joints between the rings with cement motor, filling the gap between the rings and earth surface with locally available gravelly earth/assorted filter media, compacting it up to the ground level, placing remaining rings and covering the top of the rings with a precast concrete cover slab: supplying and filling filter media inside the cement concrete rings already fixed in position with 40mm broken stone-0.3 m thick, 20mm broken stone-0.15m thick, 12mm broken stone-0.15m thick, 6mm broken stone- 0.10m thick etc complete for carefully finished work. | 117 | Nos |
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