Tender for Design, Supply, Layout, And Installation Of Comprehensive Storm Water Percolation System Capturing Surface Runoff, Filtration Debris, Along With Percolation Trench Filled With Aggregate For Effective Groundwater Recharge, chennai-Tamil Nadu

Supply Of Design, Supply, Layout, And Installation Of Comprehensive Storm Water Percolation System Capturing Surface Runoff, Filtration Debris, Along With Percolation Trench Filled With Aggregate For Effective Groundwater Rechargedesign, Supply, Layout, And Installation Of Comprehensive Storm Water Percolation System Capturing Surface Runoff, Filtration Debris, Along With Percolation Trench Filled With Aggregate For Effective Groundwater Recharge,Design, Supply, Layout, And Installation Of Comprehensive Storm Water Percolation System Ca Pturing Surface Runoff, Filtration Debris, Along With Percolation Trench Filled With Aggregate For Effective Grou Ndwater Recharge As Per Detailed Specifications: 1) Reinforced Vertical Collection Pit Using Epoxy Mixed C-3 5 Grade Slurry Dimension: 4 Ft Length X 4 Feet Width X 4 Feet Height-1 No/Set, 2) External Flow Control Retaini Ng Wall Around The Collection Pit Dimension: 12 Inch Height X 12 Inch Width X 80 Linear Feet Length- 1 No/Set, 3) Semi Permeable Reinforced Cylindrical Percolation Pit Of Dimension: 3 Feet Dia X 8 Feet Height X 50 Mm Wa Ll Thickness- 3 Nos/Set, 4) Aggregate Appx (40 Mm X 40 Mm) For 2 Feet Height - 1 No/Set, 5) Aggregate (20 M M X 20 Mm) For 3 Feet Height - 1 No/Set, 6) Aggregate Of Smooth Pebbles 3 Feet Height - 1 No/Set, 7) Vertically Sunken Slotted Pvc Pipe Filled With 20Mm Aggregate Of Dimension: 4 Mtr Depth X 10 Inch Dia- 3 N Os/Set, 8) Gabion Filter Made Of 5 Mm G.I Mesh Holder Filled With Alum Based Aggregate And Milled Silica (E Asy To Lift- Clean And Replace) To Receive Water At Inlet Of Dimension: 3 Ft Depth X 2 Ft Width X 2Ft Length- 3 No S/Set, 9) Aggregate Filler For Collection Pit With A Two Layer Placement : 40 Mm Aggregate At Top And 60 Mm Brick Aggregate At Bottom For 2000 Cubic Feet- 1 No/Set, Note: Firm Shall Carry Out De Silting, Clearing Of Ind Ustrial Wastes From The Existing Collection Pit ( 1500 Cubic Feet Marked Area) And 110 Mts Of Rain Gutter Usi Ng Machinery And Plants Before La

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