Central Water Commission-CWC has published Geo-Technical Investigation (Excavation Of Drift) On The Right Abutment Of Dam Portion Of Tlawng Hydro-Electric Project Near Lungleng Village, Distt. Aizawl Under North Eastern Investigation Division-Ii, Cwc, Aizawl (Mizoram) Geo-Technical Investigation (. Submission Date for this Tender is 11-12-2021. Geotechnical Investigation Tenders in Tlawng Lungleng village Dist-Aizawl Mizoram. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Excavation of Drift on the Right Abutment of Dam Portion of Tlawng Hydro-Electric Project |
| 2 | 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. |
| 3 | Surface dressing of the ground including removing vegitation and in-equalities not exceedng 15cm deep and disposal of rubbish , lead upto 50m and lift upto 1.5m |
| 4 | Earthwork in excavation by mechanical means ( Hydraulic excavator)/ manual means over areas(exceeding 30cm in depth, 1.5m in width as well as 10 sq mtr on plan) including getting out and disposal of excavated earth lead upto 50m and lift upto 1.5m as directed by engineer in charge -Ordinary rock |
| 5 | Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete. |
| 6 | Centering and shuttering including strutting, propping etc. and removal of form for -Foundations, footings, bases of columns, etc. for mass concrete |
| 7 | Centering and shuttering including strutting, propping etc. and removal of form for -Columns, Pillars, Piers, Abutments, Posts and Struts |
| 8 | Centering and shuttering including strutting, propping etc. and removal of form for -Arches, domes, vaults up to 6 m span |
| 9 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. -Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 10 | ASteel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. -Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 11 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 12 | Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 13 | Reinforced cement concrete work in arches, archribs, domes, vaults, shells, folded plate and roofs having slope more than 15° up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). |
| 14 | Excavation of drift in different formation with cost of all labour, T&P and POL, excluding cost of explosive materials, wooden/steel supportscomplete and as per directions of engineer-in-charge. - In Hard Rock formation: up to 30 m length |
| 15 | Excavation of drift in different formation with cost of all labour, T&P and POL, excluding cost of explosive materials, wooden/steel supportscomplete and as per directions of engineer-in-charge. - In Hard Rock formation:from 30 m to 100 m long |
| 16 | Erection of Wooden Supports in drifts including cost of materials fitting and fixing in position complete with cost of all labour , T&P and transport as per directions of Engineer-in-charge |
| 17 | Carriage of excavated rocks by mannual transport including loading and un loading and stacking etc. (For 1st 50meters) |
| 18 | Carriage of excavated rocks by mannual transport including loading and un loading and stacking etc. (Foraddl. 50 mor part thereof beyond 1 st 50 m upto 0.50 km.) |
| 19 | Carriage of excavated rocks by Mechanical Transport upto 1 Km including loading and un loading and stacking etc. |
| 20 | Purchase and supply of explosives for blasting |
| 21 | Blasting fuse (fuse wire) |
| 22 | Blasting powder |
| 23 | Carriage charges of explosive materials |
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