RWH 2025-26

THRISSUR Construction of rain water harvesting unit in 2 GPs Thrissur district using ferro-cement tank of capacity 10000 litres, as per the approved drawing, by constructing foundation with with RCC 1:3:6 over a levelling course of PCC 1:4:8 using 40mm broken stone 100 mm thick , Plinth portion plastered with 12mm thick CM 1:3, filling the basement with dry rubble packing/consolidated good earth to the required curved shape at top, placing the scour pipe suitably, providing 75mm thick PCC 1:2:4 using 20 mm broken stone to the required curved shape at the top of foundation /basement, over which constructing a Ferro cement tank of capacity 10000 litres of 3.00 m diameter and 1.50m height using 6mm TMT bars of grade Fe-500D or more for belt, haunch, hoop, diagonal and circular for bottom, sides and dome, one layer 12 gauge weld mesh 50mmx50mm size & 12 x 24 gauge chicken mesh (2 layer) for bottom, sides & dome, 60cmx60cm man hole and cover at the dome, inlet chamber with filter and gratings, plastering the tank with cement mortar 1:2.5, 12 mm thick finished with neat cement flushing coat inside and outside, having an average wall thickness of 24mm, white washing two coats to the exposed surface,Finishing exposed surface with Acrylic Smooth exterior paint(two coats) of required shade, providing half split 160 mm diameter gutter pipe class 2 uPVC (up to 10.00m), down pipe & inlet pipe with 75mm class 3 uPVC pipe (up to 30.00 m), scour and over flow pipe with 50mm class 3 uPVC pipe, 75 mm PVC valve for down pipe, 50 mm PVC valve for scour pipe, 20mm GI out let pipe with 15mm PVC tap. Earth work excavation for recharge pit of size 1.00mx1.00mx1.00m refilled with rubble , brickbats, stone etc to collect water from overflow pipe, (if open well available within a distance of 15 m the over flow is to be connected to the well), Providing 32mm GI (M) pipe of suitable length with MS saddle piece welded to one end of the pipe so as to support 75mm uPVC pipe (inlet pipe) wherever necessary, welding MS bars at the other end to have proper anchorage and fixing the pipe with CC 1:2:4 etc including all cost and conveyance of materials and labour charges to the full finished work in all respects including Labelling

PALAKKAD Construction of rain water harvesting unit in 2 GPs in Palakkad district using ferro-cement tank of capacity 10000 litres, as per the approved drawing, by constructing foundation with with RCC 1:3:6 over a levelling course of PCC 1:4:8 using 40mm broken stone 100 mm thick , Plinth portion plastered with 12mm thick CM 1:3, filling the basement with dry rubble packing/consolidated good earth to the required curved shape at top, placing the scour pipe suitably, providing 75mm thick PCC 1:2:4 using 20 mm broken stone to the required curved shape at the top of foundation /basement, over which constructing a Ferro cement tank of capacity 10000 litres of 3.00 m diameter and 1.50m height using 6mmTMT bars of grade Fe-500D or more for belt, haunch, hoop, diagonal and circular for bottom, sides and dome, one layer 12 gauge weld mesh 50mmx50mm size & 12 x 24 gauge chicken mesh (2 layer) for bottom, sides & dome, 60cmx60cm man hole and cover at the dome, inlet chamber with filter and gratings, plastering the tank with cement mortar 1:2.5, 12 mm thick finished with neat cement flushing coat inside and outside, having an average wall thickness of 24mm, white washing two coats to the exposed surface,Finishing exposed surface with Acrylic Smooth exterior paint(two coats) of required shade, providing half split 160 mm diameter gutter pipe class 2 uPVC (up to 10.00m), down pipe & inlet pipe with 75mm class 3 uPVC pipe (up to 30.00 m), scour and over flow pipe with 50mm class 3 uPVC pipe, 75 mm PVC valve for down pipe, 50 mm PVC valve for scour pipe, 20mm GI out let pipe with 15mm PVC tap. Earth work excavation for recharge pit of size 1.00mx1.00mx1.00m refilled with rubble , brickbats, stone etc to collect water from overflow pipe, (if open well available within a distance of 15 m the over flow is to be connected to the well), Providing 32mm GI (M) pipe of suitable length with MS saddle piece welded to one end of the pipe so as to support 75mm uPVC pipe (inlet pipe) wherever necessary, welding MS bars at the other end to have proper anchorage and fixing the pipe with CC 1:2:4 etc including all cost and conveyance of materials and labour charges to the full finished work in all respects including Labelling

KOZHIKODE Construction of rain water harvesting unit in 2 GPs in Kozhikode district using ferro-cement tank of capacity 10000 litres, as per the approved drawing, by constructing foundation with with RCC 1:3:6 over a levelling course of PCC 1:4:8 using 40mm broken stone 100 mm thick , Plinth portion plastered with 12mm thick CM 1:3, filling the basement with dry rubble packing/consolidated good earth to the required curved shape at top, placing the scour pipe suitably, providing 75mm thick PCC 1:2:4 using 20 mm broken stone to the required curved shape at the top of foundation /basement, over which constructing a Ferro cement tank of capacity 10000 litres of 3.00 m diameter and 1.50m height using 6mm TMT bars of grade Fe-500D or more for belt, haunch, hoop, diagonal and circular for bottom, sides and dome, one layer 12 gauge weld mesh 50mmx50mm size & 12 x 24 gauge chicken mesh (2 layer) for bottom, sides & dome, 60cmx60cm man hole and cover at the dome, inlet chamber with filter and gratings, plastering the tank with cement mortar 1:2.5, 12 mm thick finished with neat cement flushing coat inside and outside, having an average wall thickness of 24mm, white washing two coats to the exposed surface,Finishing exposed surface with Acrylic Smooth exterior paint(two coats) of required shade, providing half split 160 mm diameter gutter pipe class 2 uPVC (up to 10.00m), down pipe & inlet pipe with 75mm class 3 uPVC pipe (up to 30.00 m), scour and over flow pipe with 50mm class 3 uPVC pipe, 75 mm PVC valve for down pipe, 50 mm PVC valve for scour pipe, 20mm GI out let pipe with 15mm PVC tap. Earth work excavation for recharge pit of size 1.00mx1.00mx1.00m refilled with rubble , brickbats, stone etc to collect water from overflow pipe, (if open well available within a distance of 15 m the over flow is to be connected to the well), Providing 32mm GI (M) pipe of suitable length with MS saddle piece welded to one end of the pipe so as to support 75mm uPVC pipe (inlet pipe) wherever necessary, welding MS bars at the other end to have proper anchorage and fixing the pipe with CC 1:2:4 etc including all cost and conveyance of materials and labour charges to the full finished work in all respects including Labelling

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