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| 1 | Umiam Umtru Stage - IVProvision of Gabion Walls at Stage-IV Umiam Concrete Dam (Right Bank). |
| 2 | Earthwork in excavation for structures as per drawing, Technical Specification and as directed by engineer incharge includingsetting out, construction of shoring and bracing,removal of stumps and other deleterious material anddisposal upto a lead of 50 m dressing of sides andbottom and backfilling in trenches with excavatedsuitable material including Dewatering. |
| 3 | 2.0 mm thick HDPE Geomembrane as waterproofing layer: 2.0 mm thick HDPE Geomembrane textured (Both side) as waterproofing layer: Supply of HDPE liner 1 mm thickness manufactured as per GRI GM 13 standards complete at site. Testing of HDPE Geo membrane should be done as per specifications of GRIGM 13 from independent approved lab. |
| 4 | Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire Mesh Gabion Boxes of required size, Mesh Type 10x12(D=100 mm with tolerance of ±2%), Zinic+10% Al alloy+PVC coated, Mesh wire diameter 2.7/3.7mm (ID/OD), mechanically edged/ selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm (ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer in-charge. |
| 5 | Backfilling behind abutment, wing wall and returnwall complete as per drawings, TechnicalSpecification and as directed by engineer in charge. |
| 6 | Centerlng and shuttering including strutting, propping etc. and removal of form for all heights complete and as directed by Engineer in charge. Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc |
| 7 | Renovation of hair cracks/honeycomb concrete along the piers faces including safety belts arrangement |
| 8 | Surface Cleaning along the crack cutting V-SLOT 25mm deep fixing of 12mm size nozzle for grouting at 2m intervals cleaning and saturating the slot, application of bonding coat using Megamix-11(XYPEX) C 200 NF or equivalent and fill the slot with special/approved mortar. Grouting of cracks through nozzles with grout mix of XYPEX C 2000 NF or equivalent along with micro fine cement (grain size D95<29 microns in 1:5 ratio as per technical specification. Application of slurry coat of XYPEX concentrate or equivalent to make the whole surface water tight after cutting the nozzles, including fixing & dismantling of scaffolding and staging, providing and using required equipment like colloidal mixer, agitator, grout pump, high pressure hoses, valves and pressure gauges etc. |
| 9 | Providing protection wall on the downstream side of the left bank of Stage-IV Umiam Concrete Dam. |
| 10 | Earthwork in excavation for structures as per drawing, Technical Specification includingsetting out, construction of shoring and bracing,removal of stumps and other deleterious material anddisposal up to a lead of 50 m dressing of sides andbottom and backfilling in trenches with excavatedsuitable material |
| 11 | Providing concrete for plain/reinforced concrete inopen foundations complete as per drawing andTechnical Specification with Nominal mix 1 : 2 : 4 (hand mixing) |
| 12 | Cantering and shuttering including strutting, propping etc. and removal of form for all heights complete and as directed by Engineer in charge. Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc (using steel) |
| 13 | Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and Technical Specification with R.C.C. grade M20 |
| 14 | Supplying, fitting and placing TMT bar reinforcement in foundation complete as per drawings and Technical Specification. |
| 15 | Providing Approach to Tail Pool |
| 16 | Earthwork in excavation for structures as per drawing, Technical Specification and as directed by engineer in charge includingsetting out, construction of shoring and bracing,removal of stumps and other deleterious material anddisposal up to a lead of 50 m dressing of sides andbottom and backfilling in trenches with excavatedsuitable material I. Ordinary rock (not requiring blasting) |
| 17 | Cantering and shuttering including strutting, propping etc. and removal of form for all heights complete and as directed by Engineer in charge. |
| 18 | Providing concrete for plain/reinforced concrete inopen foundations complete as per drawing andTechnical Specification with Nominal Mix 1:3:6Stone masonry in cement mortar 1:5 |
| 19 | Construction of retaining walls/breast wallsas per drawing and Technical specification with cement mortar 1:5 |
| 20 | Supplying, fitting and placing TMT bar reinforcementin foundation complete as per drawings and Technical Specification. |
| 21 | Cantering and shuttering including strutting, propping etc. and removal of form for all heights complete and as directed by Engineer in charge. Shuttering of Columns, Pillars, Piers, Abutments, Posts and struts. |
| 22 | Providing Cement plaster 15 mm thick 1:4 to retaining wall/breast wall in accordance with the requirement of specifications true to lines and grades Dimension and other particulars as per drawing and Technical Specification. |
| 23 | Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer G.I. pipes |
| 24 | Providing concrete for plain/reinforced concrete in open foundations complete as per drawing andTechnical Specification. |
| 25 | Strengthening the2nd stage concrete joint provided between wall plate on piers using Micro concrete. |
| 26 | Surface Cleaning along the crack cutting V-SLOT 25mm deep fixing of 12mm size nozzle for grouting at 2m intervals cleaning and saturating the slot, application of bonding coat using Megamix-11(XYPEX) C 200 NF or equivalent and fill the slot with special/approved mortar. Grouting of cracks through nozzles with grout mix of XYPEX C 2000 NF or equivalent along with micro fine cement (grain size D95<29 microns in 1:5 ratio as per technical specification. Application of slurry coat of XYPEX concentrate or equivalent to make the whole surface water tight after cutting the nozzles, including fixing & dismantling of scaffolding and staging, providing and using required equipment like colloidal mixer, agitator, grout pump, high pressure hoses, valves and pressure gauges etc. |
| 27 | Strengthening and Widening the Existing Approach Deck bridge to the Intake Portal |
| 28 | Dismantling Steel Work in all types of sections up to aheight of 5 m above plinth level excluding cutting of rivets as per Technical Specification and directed by engineer in charge. |
| 29 | Providing and fixing G.I. chain link fabric fencing of required width in mesh size 25x25 mm made Of G.I. wire of dia. 3 mm including strengthening with 2 mm dia. wire or nuts, bolts and washers as required complete as per the direction Of Engineer-in-charge |
| 30 | Earthwork in excavation for structures as per drawing, Technical Specification and as directed by engineer in charge includingsetting out, construction of shoring and bracing,removal of stumps and other deleterious material anddisposal up to a lead of 50 m dressing of sides andbottom and backfilling in trenches with excavated suitable material. |
| 31 | Centering and shuttering including strutting, propping etc. and removal of form for all heights complete and as directed by Engineer in charge. |
| 32 | Providing concrete for plain/reinforced concrete in open foundations complete as per drawing, Technical Specification and as directed by engineer in charge. |
| 33 | Supplying, fitting and placing TMT bar reinforcement in foundation complete as per drawings, Technical Specification and as directed by engineer in charge. |
| 34 | Stone masonry work in cement mortar in foundationcomplete as per drawing, Technical Specification and as directed by engineer in charge In cement mortar 1 : 3 |
| 35 | Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer. |
| 36 | Providing steel R.S.Js/Built-up steel sections includingcutting, welding/riveting, hoisting, fixing in positionfor composite girders with shear connectors complete with painting as per drawing and TechnicalSpecification and as directed by engineer in charge. |
| 37 | Painting Steel work with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @ 0.90 ltr/10 sqm over an under coat of primer applied @ 0.80 ltr/10 sqm of approved brand and manufacture |
| 38 | Umiam Umtru Stage - IIIProviding protection gabion wall on the upstream side of the right bank of Stage-III Umiam Concrete Dam. |
| 39 | Earthwork in excavation for structures as per drawing, Technical Specification and as directed by engineer in charge including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal up to a lead of 50 m dressing of sides and bottom and backfilling in trenches with excavated suitable material including Dewatering. |
| 40 | 2.0 mm thick HDPE Geomembrane as waterproofing layer: 2.0 mm thick HDPE Geomembrane textured (Both side) as waterproofing layer: Supply of HDPE liner 1 mm thickness manufactured as per GRI GM 13 standards complete at site. Testing of HDPE Geo membrane should be done as per specifications of GRIGM 13 from independent approved lab. |
| 41 | Centering and shuttering including strutting, propping etc. and removal of form work for Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc. |
| 42 | Providing & making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire Mesh Gabion Boxes of required size, Mesh Type 10x12(D=100 mm with tolerance of ±2%), Zinic+10% Al alloy+PVC coated, Mesh wire diameter 2.7/3.7mm (ID/OD), mechanically edged/ selvedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist, tying with lacing wire of diameter 2.2/3.2mm (ID/OD), supplied @3% by weight of Gabion boxes, filled with boulders with least dimension of 200 mm, as per drawing, all complete as per directions of Engineer in-charge. |
| 43 | Backfilling behind abutment, wing wall and returnwall complete as per drawings, TechnicalSpecification and as directed by engineer in charge. |
| 44 | Renovations of Hair/honey comb cracks along the Piers Faces including safety belt arrangements. |
| 45 | Surface Cleaning along the crack cutting V-SLOT 25mm deep fixing of 12mm size nozzle for grouting at 2m intervals cleaning and saturating the slot, application of bonding coat using Megamix-11(XYPEX) C 200 NF or equivalent and fill the slot with special/approved mortar. Grouting of cracks through nozzles with grout mix of XYPEX C 2000 NF or equivalent along with micro fine cement (grain size D95<29 microns in 1:5 ratio as per technical specification. Application of slurry coat of XYPEX concentrate or equivalent to make the whole surface water tight after cutting the nozzles, including fixing & dismantling of scaffolding and staging, providing and using required equipment like colloidal mixer, agitator, grout pump, high pressure hoses, valves and pressure gauges etc |
| 46 | Strengthening the2nd stage concrete joint provided between wall plate on piers using Micro concrete. |
| 47 | Surface Cleaning along the crack cutting V-SLOT 25mm deep fixing of 12mm size nozzle for grouting at 2m intervals cleaning and saturating the slot, application of bonding coat using Megamix-11(XYPEX) C 200 NF or equivalent and fill the slot with special/approved mortar. Grouting of cracks through nozzles with grout mix of XYPEX C 2000 NF or equivalent along with micro fine cement (grain size D95<29 microns in 1:5 ratio as per technical specification. Application of slurry coat of XYPEX concentrate or equivalent to make the whole surface water tight after cutting the nozzles, including fixing & dismantling of scaffolding and staging, providing and using required equipment like colloidal mixer, agitator, grout pump, high pressure hoses, valves and pressure gauges etc |
| 48 | Plantations |
| 49 | Supplying and planting of ornamental trees (30cm height sapling) including pit making (60cm x 60cm x 60cm), filling the pit with appropriate soil media, manure and fertilizers as per specification and necessary maintenance complete as specified and directed . |
| 50 | (a) SHADE TREE |
| 51 | (i). Neem / Mahaneem / Beef wood /Bakul / Acacia / Siris / Devils tree /Kadam / Palash / Pink Cassia /peepal / Silver oak / Simalu / Ajar |
| 52 | (ii). Christmas tree / Kuki |
| 53 | (b) FLOWERING TREE |
| 54 | (i). Gulmohar / Ashok |
| 55 | (ii). Kanchan |
| 56 | Making tree guard 53cm dia and 1.3m high as per design from empty coal tardrums including providing and fixing 2nos. M.S. sheet rings (50mm x 0.50mm) with rivets complete in all respects including painting inside and outside of tree guard |
| 57 | Supplying and planting of selected rose plants on the ground (as specimen bush) including the preparation of the pit ( 45 cm x 45 cm x 45 cm ), removing unwanted debris, filling the pit with manure and fertilizers as per specification and necessary maintenance for a period of 1year from the date of planting complete as specified and directed With Hybrid tea rose / Miniature rose |
| 58 | Supplying and planting of terrestrial orchids with required size of pot including filling the pot to the top surface with appropriate soil media made of garden soil, river sand, cow dung, leaf mould, fertilizer, pesticides as per specification and necessary maintenance for a period of 4 months from the date of planting complete as specified and directed . (Mixing of different ingredients of soil media to be made in presence of Deptt. official / Specialist concerned) : With Dendrobium (Hybrid) : Using concrete pot of 60 cm dia. |
| 59 | Supplying and laying of selected grass turfs [size 60cm x 30cm] after preparing the land by removing of all unwanted debris (rubbles, pebbles, plant roots etc.), mixing of organic manure, levelling the surface and initial maintenance by proper and periodic rolling, mowing and irrigation etc. (as specified) including the application of recommended dose of fertilizers (N:P:K) mixture as specified and directed by the department. : Carpet grass (Axonopus affinis) |
