National Hydroelectric Power Corporation Limited has published Tender For Repair Of Eroded/Damaged Portion Of Spillway Glacis Along With Sill Beam Of Radial Gate Bay No 3 At Dam Of Chamera-Ii Power Station, Chamba (Hp). Submission Date for this Tender is 20-04-2024. Dam Work Tenders in Chamba Himachal Pradesh. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.All kinds of soil. |
| 2 | Providing and laying Non Pressure NP-3 class (Medium duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete.1000 mm dia RCC pipes. (Laying by manual/ machanical means) |
| 3 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50m and lift upto 1.5 m |
| 4 | Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand). |
| 5 | Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110 mm diameter. |
| 6 | Providing and laying 400 G polythene sheet. |
| 7 | Chipping of old concrete for making correct grade & profile upto required depth using suitable equipment such as pnumatic chipping hammer including removal of unsound concrete from the surface as per technical specifications for laying of HPC & disposing the excavated material from the site of work as approved by Engineer-in-Charge with all leads & lifts including all staging & all scafolding etc. complete finished item. |
| 8 | Untensioned rock dowels/anchor/bolts including cost of cement/resin (25 mm. dia). |
| 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 | Providing and laying bonding adhesive between old and new concrete. |
| 11 | Providing and laying High Performance Concrete of M65 grade as per technical specification, proper compaction,curing including cement slurry, including the cost of all materials, carriage,staging,scaffolding & labour etc. with all leads & lifts complete finished item. |
| 12 | Cutting of damaged Sill Plate size 180X10X15000mm |
| 13 | Weld filling of damaged Sill Beam/ fitting of new angle off 75x75x8mm or I Beam 150x150x8mm in place of damaged I beam. Repair & Welding of Sill beam collar with MS material. |
| 14 | Grinding of Sill Beam surface, making of plane horizontal smooth surface & finishing of sill beam surface for laying & welding of SS sill plate to the required level and accuracy. |
| 15 | Providing and laying of new Sill plate of required size 180x10mm duly finished and as per desired accuracy & grade AISI - 304 including welding of joints U/s & D/s side to the sill beam welding and matching of new SS plate with old plates at both left and right side. |
| 16 | Weld filling of pits/eroded surface sill plate grinding and finishing of sill plate including levelling and smoothing, matching of radial gate bottom seal. |
| 17 | Providing and laying fix master floor fill 6mm thick over concrete surface (including diversion of leakage water drying and preparation of surface complete as per direction of Engineer-In-Charge). |
| 18 | Providing and laying fix master deep pour grout or the sill beam metal to concrete bonding (including diversion of leakage water drying and preparation of surface complete as per direction of Engineer-In-Charge) Width 10mmXDepth10mm. |
| 19 | Water testing & commissioning of finished job by means of filling water. |
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