LCB5/E/M/JSJB/RWH/2026

Rooftop Rainwater Harvesting Systems (New construction) at Ganga Community Centre, Sadar Bazar, Lucknow Cantt Excavation for construction of recharge pit of size 2m × 1.5m × 1.2m (3.6 cum) including dressing of sides and disposal of surplus soil; brick masonry in foundation and plinth with sub-class ‘B’ bricks built in cement mortar (1:6); Providing and laying PCC (1:4:8) Type D-2 with 40 mm graded stone aggregate in foundation, filling and mass concrete; M&L for formwork to soffit of suspended RCC slab not less than 200 mm thick; 10 mm thick cement plaster/rendering in CM (1:6) finished even and fair; PCC (1:2:4) Type B1 using 20 mm graded stone aggregate in benching, coping, rounded or chamfered edges finished smooth with extra cement; Returning, filling and ramming of excavated earth in layers including watering and levelling; Construction of inspection pits of size 1m × 1m × 1m at every right-angle turning of PVC pipeline including excavation, brick masonry in CM (1:6) and RCC slab cover; Dividing recharge pit into four compartments and filling three compartments with graded filter media comprising 40 mm crushed stone aggregate, 20 mm crushed stone aggregate and coarse sand complete; Providing and laying of 100 mm dia 6Kg pressure PVC pipe laid in trenches or above ground including jointing (approx. 36 RM) & 150 mm dia 6Kg pressure PVC pipe laid in trenches or above ground including jointing (approx. 120 RM); Supplying and fixing MS framed works such as grills, gratings, MS clamps for 100 - 150 mm dia PVC pipe, 100 - 150 mm PVC Tee, 100 - 150 mm PVC Bend and allied fittings; Providing and fixing 100 mm dia plain PVC casing pipe (medium) as per IS 12818 including lowering and jointing complete (30 RM); Providing and fixing 100 mm dia screened PVC casing pipe (medium) as per IS 12818 including lowering and jointing complete (30 RM); Boring 200 mm dia bore by direct rotary method through all kinds of soil/strata up to 60 m depth; Reaming of bore up to 300 mm dia (for recharge well) including pilot bore in all kinds of soil/strata including hard rock/boulder up to 60 RM depth; Providing pea gravel packing (approx. 4 cum) of approved natural shape around casing pipe to full depth; Supplying and fixing PVC end cap for 100 mm bore pipe; and Development of bore well by high velocity water jetting with air compressor of minimum 100 PSI capacity for pumping out muddy water for not less than 14 hours complete as directed.

Rooftop Rainwater Harvesting Systems (New construction) at Yamuna Community Centre, Sadar Bazar, Lucknow Cantt Excavation for construction of recharge pit of size 1.2m × 0.8m × 1.1m (1.06 cum) including dressing of sides and disposal of surplus soil; brick masonry in foundation and plinth with sub-class ‘B’ bricks built in cement mortar (1:6); Providing and laying PCC (1:4:8) Type D-2 with 40 mm graded stone aggregate in foundation, filling and mass concrete; M&L for formwork to soffit of suspended RCC slab not less than 200 mm thick; 10 mm thick cement plaster/rendering in CM (1:6) finished even and fair; PCC (1:2:4) Type B1 using 20 mm graded stone aggregate in benching, coping, rounded or chamfered edges finished smooth with extra cement; Returning, filling and ramming of excavated earth in layers including watering and levelling; Construction of inspection pits of size 1m × 1m × 1m at every right-angle turning of PVC pipeline including excavation, brick masonry in CM (1:6) and RCC slab cover; Dividing recharge pit into four compartments and filling three compartments with graded filter media comprising 40 mm crushed stone aggregate, 20 mm crushed stone aggregate and coarse sand complete; Providing and laying 100 mm dia 6Kg pressure PVC pipe laid in trenches or above ground including jointing (approx. 12 RM) and 150 mm dia 6Kg pressure PVC pipe laid in trenches or above ground including jointing (approx. 96 RM); Supplying and fixing MS framed works such as grills, gratings, MS clamps for 100 - 150 mm dia PVC pipe, 100 - 150 mm PVC Tee, 100 - 150 mm PVC Bend and allied fittings; Providing and fixing 100 mm dia plain PVC casing pipe (medium) as per IS 12818 including lowering and jointing complete (30 RM); Providing and fixing 100 mm dia screened PVC casing pipe (medium) as per IS 12818 including lowering and jointing complete (30 RM); Boring 200 mm dia bore by direct rotary method through all kinds of soil/strata up to 60 m depth; Reaming of bore up to 300 mm dia (for recharge well) including pilot bore in all kinds of soil/strata including hard rock/boulder up to 60 RM depth; Providing pea gravel packing (approx. 4 cum) of approved natural shape around casing pipe to full depth; Supplying and fixing PVC end cap for 100 mm bore pipe; and Development of bore well by high velocity water jetting with air compressor of minimum 100 PSI capacity for pumping out muddy water for not less than 14 hours complete as directed.

Rooftop Rainwater Harvesting Systems (Repair/ maintenance of existing system) at 08 locations as mentioned in the 'Scope of Work' of this bid. Cleaning and desilting of recharge pits and filter chambers, replacement of damaged pipes and fittings, restoration of proper slopes and connections, replenishment of graded filter media, redevelopment of borewells where required, and ensuring proper hydraulic connectivity from rooftop to recharge structure. After completion of repairs, the system shall be tested to confirm smooth flow and effective groundwater recharge, and the contractor shall certify the system as fully operational. This includes the replacement of 100 mm dia 6Kg pressure PVC pipe laid in trenches or above ground including jointing (approx. 40 feet) and 150 mm dia 6Kg pressure PVC pipe laid in trenches or above ground including jointing (approx. 180 feet) in RA Bazar School, Lucknow Cantt.

Groundwater Recharge Structures (percolation tanks) at PGL near Rajiv Gandhi Nagar as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 6” dia. size 6Kg pressure PVC pipe (60 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (percolation tanks) at PGL in Matroo Mohal as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 4” dia. size 6Kg pressure PVC pipe (20 feet approx.) and 6” dia. size 6Kg pressure PVC pipe (80 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (percolation tanks) at Washroom at Kasturba Road as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 4” dia. size 6Kg pressure PVC pipe (20 feet approx.) and 6” dia. size 6Kg pressure PVC pipe (60 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (percolation tanks) at PGL in Bari Lal Kurti as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 4” dia. size 6Kg pressure PVC pipe (20 feet approx.) and 6” dia. size 6Kg pressure PVC pipe (140 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (percolation tanks) at Library in RA Bazar School as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 4” dia. size 6Kg pressure PVC pipe (120 feet approx.) and 6” dia. size 6Kg pressure PVC pipe (300 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (percolation tanks) at Multi Purpose Hall in Dilkusha Lawn as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 4” dia. size 6Kg pressure PVC pipe (40 feet approx.) and 6” dia. size 6Kg pressure PVC pipe (80 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (percolation tanks) at PGL in Choti Lal Kurti as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 4” dia. size 6Kg pressure PVC pipe (40 feet approx.) and 6” dia. size 6Kg pressure PVC pipe (120 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (percolation tanks) at Washroom near Somnath Dwar as mentioned in the 'Scope of Work'of this bid. Material and Labour charge for making a pit of size 5’x5’ by excavating earth to a depth of 6 feet and drilling a hole of dia. size 200mm upto a depth of 24 feet and inserting a 150mm dia. size 6Kg pressure PVC slotted pipe (30 feet approx.) and packing around it with ganga sand. A plastic barrel of 200 litres capacity with holes on the entire sides be placed keeping its centre of drilled hole and filling up the remaining pit (outside barrel) with gravels, boulders etc. and cover the barrel top with a lid and fix a jail/ cover with cloth at the main rain water pipe. The rooftop is to be connected with the drilled hole by s/f of 4” dia. size 6Kg pressure PVC pipe (20 feet approx.) and 6” dia. size 6Kg pressure PVC pipe (120 feet approx.) including necessary fittings etc in both open space & trenches and allied works as directed by the Engineer-in-Charge for groundwater recharge through the percolation tank.

Groundwater Recharge Structures (Abandoned borewell) in Water Works compound No. 02, Kasaibara as mentioned in the 'Scope of Work'of this bid. Material & Labour charge for s/f of 6” dia. size 6Kg pressure PVC pipe (50 feet approx.) including necessary fittings etc in both open space & trenches to connect the rooftop area with the abandoned borewell by constructing a 3’x3’x1.5’ cemented chamber, white washing of the outside walls of the borewell and allied works as directed by the Engineer-in-Charge for groundwater recharge through the abandoned borewell.

Groundwater Recharge Structures (Abandoned borewell) in RA Bazar School as mentioned in the 'Scope of Work'of this bid. Material & Labour charge for s/f of 6” dia. size 6Kg pressure PVC pipe (100 feet approx.) including necessary fittings etc in both open space & trenches to connect the rooftop area with the abandoned borewell by constructing a 3’x3’x1.5’ cemented chamber, white washing of the outside walls of the borewell and allied works as directed by the Engineer-in-Charge for groundwater recharge through the abandoned borewell.