CONSTRUCTION OF ARTIFICIAL RECHARGE STRUCTURE IN KALA AMB VALLEY, SIRAMAUR DISTRICT, HIMACHAL PRADESH, INDIA

CD- 01 ; Location = Moja Rampur Jatan, Moginanda near Industrial Area, Nahan, Sirmour, Himachal Pradesh

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation, trenches and clearance etc. in all kinds of soils such as hard soil mixed with kankar/ boulders, morrum, rocky area, pick work, jumper work, blasting in soft/ hard rock, chiseling wedging out of rock where blasting prohibited, dressing of excavated surface area and dewatering wherever required complete in all respect, saturated soil stacking the excavated soil as directed by the Engineer-in-charge clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth side of foundations, trenches, backfill of side/ wing walls, temporary bunds formation for water diversion etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-in-charge in all leads and lifts.

Providing and laying in position cement concrete of grade (M 10) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing and laying in position cement concrete of grade (M 20) 1:1.5:3 1 (Cement 1.5 : coarse sand : 3 graded stone aggregate 20 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete including all lead and lifts Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing form work with steel plates, centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns, retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs, steps, columns, piers, abutments, pillars, posts and struts etc.

Providing in RRC work smooth finishing of the exposed surface with cement mortar 1:3 (1 cement : 3 sand) complete in all respect with all lead and lifts: 12 mm thick

Providing and fixing PVC pipes 75 mm dia (4 Kg/sq. MCM as per ISI 4985) in weep hole including all lead lifts and making good the wall etc. complete as per direction of Engineer in Charge.

Supplying, filling, spreading leveling stone boulders of size range 5 cm to 20 cm, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Dry stone pitching 22.5 cm thick in required profile including supply of stones and preparing surface complete as per direction of Engineer in Charge.

Silt flushing sluice gate (1 m X 1.5 m) us side head wall mounted: a) Vertical lift sluice gates and gate elements, fabrication, supply, erection, testing and commissioning of vertical lift sluice gate and gate elements, consisting of skin plate, horizontal and vertical girders, stiffeners, lifting pins, bronze padded slide blocks/ bearings, guide shoes, rubber seals, clamps etc. with all leads and lifts, b) fabrication, supply, erection, testing and commissioning of embedded parts consisting of sill beam, slide tracks, seal seats, guide rails, dogging sets for storage of stoplog elements etc., with all accessories including cost of all materials, machinery, labour, seal fixing etc. with all leads and lifts and c) fabrication, supply, erection, testing and commissioning of adequate capacity screw gear type hoist consisting of supporting structure, platform, ladder etc., with all accessories for operating escape/ regulator gate including cost of all materials, machinery, labour, cutting, fittings, bending, aligning, anchoring, welding, finishing etc., complete with all leads and lifts as per specifications drawings and direction of Engineer in Charge.

Quantities of works, executed: In or under water and/or liquid mud, including pumping out as required-up to 5m depth

Providing an fixing MS board (at site) as per drawing including primer, painting, lettering with well finished surface and all lead & lifts as per direction of Engineer-in-Charge.

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

CD- 03 ; Location = Tadi Baroti Khala (ogalwala), Nahan, Sirmour, Himachal Pradesh

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation, trenches and clearance etc. in all kinds of soils such as hard soil mixed with kankar/ boulders, morrum, rocky area, pick work, jumper work, blasting in soft/ hard rock, chiseling wedging out of rock where blasting prohibited, dressing of excavated surface area and dewatering wherever required complete in all respect, saturated soil stacking the excavated soil as directed by the Engineer-in-charge clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth side of foundations, trenches, backfill of side/ wing walls, temporary bunds formation for water diversion etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-in-charge in all leads and lifts.

Providing and laying in position cement concrete of grade (M 10) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing and laying in position cement concrete of grade (M 20) 1:1.5:3 1 (Cement 1.5 : coarse sand : 3 graded stone aggregate 20 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete including all lead and lifts Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing form work with steel plates, centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns, retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs, steps, columns, piers, abutments, pillars, posts and struts etc.

Providing in RRC work smooth finishing of the exposed surface with cement mortar 1:3 (1 cement : 3 sand) complete in all respect with all lead and lifts: 12 mm thick

Providing and fixing PVC pipes 75 mm dia (4 Kg/sq. MCM as per ISI 4985) in weep hole including all lead lifts and making good the wall etc. complete as per direction of Engineer in Charge.

Supplying, filling, spreading leveling stone boulders of size range 5 cm to 20 cm, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Dry stone pitching 22.5 cm thick in required profile including supply of stones and preparing surface complete as per direction of Engineer in Charge.

Silt flushing sluice gate (1 m X 1.5 m) us side head wall mounted: a) Vertical lift sluice gates and gate elements, fabrication, supply, erection, testing and commissioning of vertical lift sluice gate and gate elements, consisting of skin plate, horizontal and vertical girders, stiffeners, lifting pins, bronze padded slide blocks/ bearings, guide shoes, rubber seals, clamps etc. with all leads and lifts, b) fabrication, supply, erection, testing and commissioning of embedded parts consisting of sill beam, slide tracks, seal seats, guide rails, dogging sets for storage of stoplog elements etc., with all accessories including cost of all materials, machinery, labour, seal fixing etc. with all leads and lifts and c) fabrication, supply, erection, testing and commissioning of adequate capacity screw gear type hoist consisting of supporting structure, platform, ladder etc., with all accessories for operating escape/ regulator gate including cost of all materials, machinery, labour, cutting, fittings, bending, aligning, anchoring, welding, finishing etc., complete with all leads and lifts as per specifications drawings and direction of Engineer in Charge.

Quantities of works, executed: In or under water and/or liquid mud, including pumping out as required-up to 5m depth

Providing an fixing MS board (at site) as per drawing including primer, painting, lettering with well finished surface and all lead & lifts as per direction of Engineer-in-Charge.

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

CD :04 (a) Location = Bela Village, Bikram Bag, Nahan, Sirmour, Himachal Pradesh

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation, trenches and clearance etc. in all kinds of soils such as hard soil mixed with kankar/ boulders, morrum, rocky area, pick work, jumper work, blasting in soft/ hard rock, chiseling wedging out of rock where blasting prohibited, dressing of excavated surface area and dewatering wherever required complete in all respect, saturated soil stacking the excavated soil as directed by the Engineer-in-charge clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth side of foundations, trenches, backfill of side/ wing walls, temporary bunds formation for water diversion etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-in-charge in all leads and lifts.

Providing and laying in position cement concrete of grade (M 10) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing and laying in position cement concrete of grade (M 20) 1:1.5:3 1 (Cement 1.5 : coarse sand : 3 graded stone aggregate 20 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete including all lead and lifts Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing form work with steel plates, centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns, retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs, steps, columns, piers, abutments, pillars, posts and struts etc.

Providing in RRC work smooth finishing of the exposed surface with cement mortar 1:3 (1 cement : 3 sand) complete in all respect with all lead and lifts: 12 mm thick

Providing and fixing PVC pipes 75 mm dia (4 Kg/sq. MCM as per ISI 4985) in weep hole including all lead lifts and making good the wall etc. complete as per direction of Engineer in Charge.

Supplying, filling, spreading leveling stone boulders of size range 5 cm to 20 cm, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Dry stone pitching 22.5 cm thick in required profile including supply of stones and preparing surface complete as per direction of Engineer in Charge.

Silt flushing sluice gate (1 m X 1.5 m) us side head wall mounted: a) Vertical lift sluice gates and gate elements, fabrication, supply, erection, testing and commissioning of vertical lift sluice gate and gate elements, consisting of skin plate, horizontal and vertical girders, stiffeners, lifting pins, bronze padded slide blocks/ bearings, guide shoes, rubber seals, clamps etc. with all leads and lifts, b) fabrication, supply, erection, testing and commissioning of embedded parts consisting of sill beam, slide tracks, seal seats, guide rails, dogging sets for storage of stoplog elements etc., with all accessories including cost of all materials, machinery, labour, seal fixing etc. with all leads and lifts and c) fabrication, supply, erection, testing and commissioning of adequate capacity screw gear type hoist consisting of supporting structure, platform, ladder etc., with all accessories for operating escape/ regulator gate including cost of all materials, machinery, labour, cutting, fittings, bending, aligning, anchoring, welding, finishing etc., complete with all leads and lifts as per specifications drawings and direction of Engineer in Charge.

Quantities of works, executed: In or under water and/or liquid mud, including pumping out as required-up to 5m depth

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

CD :04 (b) Location = Moginanda on Salani Khad near Bridge, Nahan, Sirmour, Himachal Pradesh

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation, trenches and clearance etc. in all kinds of soils such as hard soil mixed with kankar/ boulders, morrum, rocky area, pick work, jumper work, blasting in soft/ hard rock, chiseling wedging out of rock where blasting prohibited, dressing of excavated surface area and dewatering wherever required complete in all respect, saturated soil stacking the excavated soil as directed by the Engineer-in-charge clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth side of foundations, trenches, backfill of side/ wing walls, temporary bunds formation for water diversion etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-in-charge in all leads and lifts.

Providing and laying in position cement concrete of grade (M 10) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing and laying in position cement concrete of grade (M 20) 1:1.5:3 1 (Cement 1.5 : coarse sand : 3 graded stone aggregate 20 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete including all lead and lifts Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing form work with steel plates, centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns, retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs, steps, columns, piers, abutments, pillars, posts and struts etc.

Providing in RRC work smooth finishing of the exposed surface with cement mortar 1:3 (1 cement : 3 sand) complete in all respect with all lead and lifts: 12 mm thick

Providing and fixing PVC pipes 75 mm dia (4 Kg/sq. MCM as per ISI 4985) in weep hole including all lead lifts and making good the wall etc. complete as per direction of Engineer in Charge.

Supplying, filling, spreading leveling stone boulders of size range 5 cm to 20 cm, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Dry stone pitching 22.5 cm thick in required profile including supply of stones and preparing surface complete as per direction of Engineer in Charge.

Silt flushing sluice gate (1 m X 1.5 m) us side head wall mounted: a) Vertical lift sluice gates and gate elements, fabrication, supply, erection, testing and commissioning of vertical lift sluice gate and gate elements, consisting of skin plate, horizontal and vertical girders, stiffeners, lifting pins, bronze padded slide blocks/ bearings, guide shoes, rubber seals, clamps etc. with all leads and lifts, b) fabrication, supply, erection, testing and commissioning of embedded parts consisting of sill beam, slide tracks, seal seats, guide rails, dogging sets for storage of stoplog elements etc., with all accessories including cost of all materials, machinery, labour, seal fixing etc. with all leads and lifts and c) fabrication, supply, erection, testing and commissioning of adequate capacity screw gear type hoist consisting of supporting structure, platform, ladder etc., with all accessories for operating escape/ regulator gate including cost of all materials, machinery, labour, cutting, fittings, bending, aligning, anchoring, welding, finishing etc., complete with all leads and lifts as per specifications drawings and direction of Engineer in Charge.

Quantities of works, executed: In or under water and/or liquid mud, including pumping out as required-up to 5m depth

Providing an fixing MS board (at site) as per drawing including primer, painting, lettering with well finished surface and all lead & lifts as per direction of Engineer-in-Charge.

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

CD : 06 Location = Arandwala Village, Pallion Gram Panchayat, Nahan, Sirmour, Himachal Pradesh

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation, trenches and clearance etc. in all kinds of soils such as hard soil mixed with kankar/ boulders, morrum, rocky area, pick work, jumper work, blasting in soft/ hard rock, chiseling wedging out of rock where blasting prohibited, dressing of excavated surface area and dewatering wherever required complete in all respect, saturated soil stacking the excavated soil as directed by the Engineer-in-charge clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth side of foundations, trenches, backfill of side/ wing walls, temporary bunds formation for water diversion etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-in-charge in all leads and lifts.

Providing and laying in position cement concrete of grade (M 10) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing and laying in position cement concrete of grade (M 20) 1:1.5:3 1 (Cement 1.5 : coarse sand : 3 graded stone aggregate 20 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete including all lead and lifts Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing form work with steel plates, centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns, retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs, steps, columns, piers, abutments, pillars, posts and struts etc.

Providing in RRC work smooth finishing of the exposed surface with cement mortar 1:3 (1 cement : 3 sand) complete in all respect with all lead and lifts: 12 mm thick

Providing and fixing PVC pipes 75 mm dia (4 Kg/sq. MCM as per ISI 4985) in weep hole including all lead lifts and making good the wall etc. complete as per direction of Engineer in Charge.

Supplying, filling, spreading leveling stone boulders of size range 5 cm to 20 cm, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Dry stone pitching 22.5 cm thick in required profile including supply of stones and preparing surface complete as per direction of Engineer in Charge.

Silt flushing sluice gate (1 m X 1.5 m) us side head wall mounted: a) Vertical lift sluice gates and gate elements, fabrication, supply, erection, testing and commissioning of vertical lift sluice gate and gate elements, consisting of skin plate, horizontal and vertical girders, stiffeners, lifting pins, bronze padded slide blocks/ bearings, guide shoes, rubber seals, clamps etc. with all leads and lifts, b) fabrication, supply, erection, testing and commissioning of embedded parts consisting of sill beam, slide tracks, seal seats, guide rails, dogging sets for storage of stoplog elements etc., with all accessories including cost of all materials, machinery, labour, seal fixing etc. with all leads and lifts and c) fabrication, supply, erection, testing and commissioning of adequate capacity screw gear type hoist consisting of supporting structure, platform, ladder etc., with all accessories for operating escape/ regulator gate including cost of all materials, machinery, labour, cutting, fittings, bending, aligning, anchoring, welding, finishing etc., complete with all leads and lifts as per specifications drawings and direction of Engineer in Charge.

Quantities of works, executed: In or under water and/or liquid mud, including pumping out as required-up to 5m depth

Providing an fixing MS board (at site) as per drawing including primer, painting, lettering with well finished surface and all lead & lifts as per direction of Engineer-in-Charge.

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

CD :07 Location = Neemvali/Banka Bada near LSV pump house on Salani river, Nahan, Sirmour, Himachal Pradesh

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation, trenches and clearance etc. in all kinds of soils such as hard soil mixed with kankar/ boulders, morrum, rocky area, pick work, jumper work, blasting in soft/ hard rock, chiseling wedging out of rock where blasting prohibited, dressing of excavated surface area and dewatering wherever required complete in all respect, saturated soil stacking the excavated soil as directed by the Engineer-in-charge clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth side of foundations, trenches, backfill of side/ wing walls, temporary bunds formation for water diversion etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-in-charge in all leads and lifts.

Providing and laying in position cement concrete of grade (M 10) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing and laying in position cement concrete of grade (M 20) 1:1.5:3 1 (Cement 1.5 : coarse sand : 3 graded stone aggregate 20 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete including all lead and lifts Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing form work with steel plates, centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns, retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs, steps, columns, piers, abutments, pillars, posts and struts etc.

Providing in RRC work smooth finishing of the exposed surface with cement mortar 1:3 (1 cement : 3 sand) complete in all respect with all lead and lifts: 12 mm thick

Providing and fixing PVC pipes 75 mm dia (4 Kg/sq. MCM as per ISI 4985) in weep hole including all lead lifts and making good the wall etc. complete as per direction of Engineer in Charge.

Supplying, filling, spreading leveling stone boulders of size range 5 cm to 20 cm, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Dry stone pitching 22.5 cm thick in required profile including supply of stones and preparing surface complete as per direction of Engineer in Charge.

Silt flushing sluice gate (1 m X 1.5 m) us side head wall mounted: a) Vertical lift sluice gates and gate elements, fabrication, supply, erection, testing and commissioning of vertical lift sluice gate and gate elements, consisting of skin plate, horizontal and vertical girders, stiffeners, lifting pins, bronze padded slide blocks/ bearings, guide shoes, rubber seals, clamps etc. with all leads and lifts, b) fabrication, supply, erection, testing and commissioning of embedded parts consisting of sill beam, slide tracks, seal seats, guide rails, dogging sets for storage of stoplog elements etc., with all accessories including cost of all materials, machinery, labour, seal fixing etc. with all leads and lifts and c) fabrication, supply, erection, testing and commissioning of adequate capacity screw gear type hoist consisting of supporting structure, platform, ladder etc., with all accessories for operating escape/ regulator gate including cost of all materials, machinery, labour, cutting, fittings, bending, aligning, anchoring, welding, finishing etc., complete with all leads and lifts as per specifications drawings and direction of Engineer in Charge.

Quantities of works, executed: In or under water and/or liquid mud, including pumping out as required-up to 5m depth

Providing an fixing MS board (at site) as per drawing including primer, painting, lettering with well finished surface and all lead & lifts as per direction of Engineer-in-Charge.

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

CD :08 Location = Near Markandey Temple, D/s of Bhoodpur Bridge, Nahan, Sirmour, Himachal Pradesh

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means in foundation, trenches and clearance etc. in all kinds of soils such as hard soil mixed with kankar/ boulders, morrum, rocky area, pick work, jumper work, blasting in soft/ hard rock, chiseling wedging out of rock where blasting prohibited, dressing of excavated surface area and dewatering wherever required complete in all respect, saturated soil stacking the excavated soil as directed by the Engineer-in-charge clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth side of foundations, trenches, backfill of side/ wing walls, temporary bunds formation for water diversion etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-in-charge in all leads and lifts.

Providing and laying in position cement concrete of grade (M 10) 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing and laying in position cement concrete of grade (M 20) 1:1.5:3 1 (Cement 1.5 : coarse sand : 3 graded stone aggregate 20 mm nominal size) including all leads & lifts and complete curing, excluding the cost of centering and shuttering.

Providing Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete including all lead and lifts Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing form work with steel plates, centering and shuttering including strutting, propping etc. and removal of form work for Foundations, footings, bases for columns, retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs, steps, columns, piers, abutments, pillars, posts and struts etc.

Providing in RRC work smooth finishing of the exposed surface with cement mortar 1:3 (1 cement : 3 sand) complete in all respect with all lead and lifts: 12 mm thick

Providing and fixing PVC pipes 75 mm dia (4 Kg/sq. MCM as per ISI 4985) in weep hole including all lead lifts and making good the wall etc. complete as per direction of Engineer in Charge.

Supplying, filling, spreading leveling stone boulders of size range 5 cm to 20 cm, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Dry stone pitching 22.5 cm thick in required profile including supply of stones and preparing surface complete as per direction of Engineer in Charge.

Silt flushing sluice gate (1 m X 1.5 m) us side head wall mounted: a) Vertical lift sluice gates and gate elements, fabrication, supply, erection, testing and commissioning of vertical lift sluice gate and gate elements, consisting of skin plate, horizontal and vertical girders, stiffeners, lifting pins, bronze padded slide blocks/ bearings, guide shoes, rubber seals, clamps etc. with all leads and lifts, b) fabrication, supply, erection, testing and commissioning of embedded parts consisting of sill beam, slide tracks, seal seats, guide rails, dogging sets for storage of stoplog elements etc., with all accessories including cost of all materials, machinery, labour, seal fixing etc. with all leads and lifts and c) fabrication, supply, erection, testing and commissioning of adequate capacity screw gear type hoist consisting of supporting structure, platform, ladder etc., with all accessories for operating escape/ regulator gate including cost of all materials, machinery, labour, cutting, fittings, bending, aligning, anchoring, welding, finishing etc., complete with all leads and lifts as per specifications drawings and direction of Engineer in Charge.

Quantities of works, executed: In or under water and/or liquid mud, including pumping out as required-up to 5m depth

Providing an fixing MS board (at site) as per drawing including primer, painting, lettering with well finished surface and all lead & lifts as per direction of Engineer-in-Charge.

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance, rectification of defects (damage, cracks, erosion in structures, any deposit etc.) of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

Total Number of Structures: 12 Recharge Wells : Drilling Depth: 70 meters | Blank Pipe: 57 meters | Screen: 15 meters | Diameter: 150 mm

Recharge Well Construction

Drilling of borehole in bouldary formation by ODEX method to construct borehole of minimum 237 mm dia so as to reach targeted depth 70m bgl including measurement of discharge through V-notch at various stages depth of drilling, formation sample collection at every 3 meter interval, preparation and submission of litholog etc and pull out of drill rods, odex casing pipe if any after completion of target depth of drilling with video recordings and photographs (Note : 1. No payment shall be made for 206mm pipe used for odex drilling, 2. The odex pipe to pulled out after lowering of assembly and simultaneously gravel packing to be carried out during pulling of Odex pipe, 3. Includes development using compressor after gravel shrouding for minimum 3 hours till water is clear of sediments)

Supply and installation of ERW blank pipe conforming to latest version of IS 4270-2001 of 150 mm Nominal Bore, thickness 5.4mm with 1 m bail plug welded at the lower end with video recordings and photographs

Supply and installation of ERW screen/slotted pipe conforming to latest version of IS 8110-2000 of 150 mm Nominal Size, thickness 5.4mm with slot opening size of latest version of IS 8110-2000 of dimension 1.5mm slot with video recordings and photographs

Supply and shrouding of pea gravel confirming to latest version of IS 4097-1967 with Particle size range 3 mm to 5 mm for 1.5 mm slot opening with video recordings of measurement, gravel shrouding and photographs

Preliminary yield test for 100 minutes, along with video recordings of compressor hour meter, discharge etc. with video recordings and photographs, and collection of four water samples from recharge well adopting standard procedure in 1 litre HDPE bottle

Supply and fitting of well cap as per drawing with Allen Keys. Well cap fabricated with thickness minimum 6mm, welded with 25mm threaded coupler at centre of top of well cap. The welded cap should be painted with two coats of Silver paint anti rust PU Enamel with video recordings and photographs

Construction of single brick wall with plastering 1:2:4 concrete mix of dimension 1.5m length x 1.5m width x 0.6m height or supply and installation of precast RCC concrete ring of 1.5 m dia x 0.6m height x 0.04 m thickness and pit excavation 1.5m x 1.5m x 1.5m and filling up of pit with gravel to depth of 1.35 m, covered with geo-textile membrane with video recordings and photographs

Scientific Study

Chemical analysis of water samples for 15 parameters (pH, EC, TH, TDS, Ca, Mg, Na, K, CO3, HCO3, SO4, NO3, Cl, F, Fe) in NABL accredited labs and submission of report from NABL lab

Chemical analysis of water samples for Heavy metals (Co, Pb, Ni, Zn, Mn, Cu) in NABL accredited labs and submission of reports

Preparation and submission of basic data report per site in triplicate along with site location map and approachability with landmarks, logging graphs, data sheets, analysis sheet, chemical analysis report from NABL lab, photographs and videos of activities like drilling , assembly lowering, gravel shrouding , pump lowering, pumping tests, discharge during pumping test, V- notch discharge at various depth of drilling, pumping test with well discharge, discharge measurement with orifice head, compressor development, water sample collection, well site with display board well cap, protection box tec.. The soft copy should be submitted. Summary of wells details in xls format including details of dia and depth, part assembly pipe if any, screen pipe if any, static water level, T DS, aquifer parameters, safe discharge, gravel packing depth and thickness , litholog, depth of fracture zone/ granular zones and respective V-notch discharge etc if any should be also submitted.

Supply and installation of protection box made of GI sheet of 3mm thickness along with Brass lock 7 lever hardened and three keys for each lock as per drawing. Welded portion of protection should be painted with silver paint. Steel Mesh to be welded on inside of protection box on the Air Vent Slots with video recordings and photographs

Supply and installation of Display board as per specification in drawing with video recordings and photographs

One-year Operation and maintenance (O&M) following the defect liability period, ensuring regular upkeep, monitoring, and maintenance cleaning of gravel in the chamber two times a year, painting in case of rusting, etc., rectification of defects damage, cracks, erosion in structures, any deposit etc of the constructed structures to sustain their performance and longevity and replace of defective sand and gravel.

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