Kerala State Electricity Board-KSEB has published Up Gradation Of 66Kv Substation Karunagappally To 110 Kv - Constructing Earthmat And Equipment Foundation Up Gradation Of 66 Kv Substation Karunagappally To 110 Kv - Constructing Earth Mat And Equipment Foundation. Submission Date for this Tender is 24-04-2020. Substation Tenders in Karunagappally Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 08-Apr-2020 | Date Extension | Date | 24-04-2020 |
| Name of Work: Up gradation of 66 kV Substation, Karunagappally to 110 kV - Constructing Earth mat and Equipment foundation | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, as directed by Engineer-in- Charge. All kinds of soil\n | 1650 | m2 | |
| 2 | 2 | Earth work excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 cm in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m.as per the direction of Dept. Officers at site | 380 | m3 | |
| 3 | 3 | Extra for additional lift of 1.5m or part there of in excavation / banking excavated or stacked earth. for all kinds of soil. | 5 | m3 | |
| 4 | 4 | Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand) | 5 | m3 | |
| 5 | 5 | Cutting 32 mm MS rod (supplied departmentally) in required length etc complete as per the direction of the departmental officers. | 550 | Nos. | |
| 6 | 6 | Bending 32 mm or nearest size M.S rods (supplied departmentally) for crossing cable trenches / foundation / risers etc. | 350 | Nos. | |
| 7 | 7 | Driving down the ground electrode upto a depth of 3m from the already taken earth pit as directed by the departmental officers. | 80 | Nos. | |
| 8 | 8 | Laying of earth mat of required size as specified using 40/32/25mm MS rod (supplied departmentally) including levelling lowering and placing in trenches, complete as per the direction of departmental officers. | 205 | Qtl | |
| 9 | 9 | Welding of overlapping joints for mat,riser lap joints with 32/25mm MS rod (supplied departmentally) placed in trenches, having 150mm in length 6mm in thick on both sides of the rod and both ends of overlapped MS rods with 6mm welding thickness after cleaning the surfaces neatly. Charges includes cost of low hydrogen DC electrode (No. E7018), hire charges of DC arc welding set and tools and plants required, current charges including labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of department officers. | 450 | Nos. | |
| 10 | 10 | Welding the nodal points (cross joints ) in the trenches at two sides to a thickness of 6mm after cleaning the surface neatly. Charges includes cost of low hydrogen DC electrodes (No. E7018), hire charges of DC welding set and tools and plants required, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. | 1100 | Nos. | |
| 11 | 11 | Welding the ground electrode with the main electrode , after cleaning the surface neatly. Charges includes cost of low hydrogen content DC electrodes (No. E7018), hire charges of DC arc welding set, tools and plants, current charges, labour charges for holding MS rod in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. | 80 | Nos. | |
| 12 | 12 | Providing and laying in position cement concrete 1:4:8, nominal size grade excluding the cost of centering and shuttering-for foundation of walls, flooring etc ,as per the direction of Dept. Officers at site | 30 | m3 | |
| 13 | 13 | Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete. | 500 | m2 | |
| 14 | 14 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Thermo-Mechanically Treated bars | 6500 | kg | |
| 15 | 15 | Stub setting of C1 & C2 columns in lines and levels by using template before pouring concrete in foundation with departmentally supplied stubs and removing the template after the expiry of the predetermined time | 1 | Set | |
| 16 | 16 | Fixing Charges for foundation bolt in lines and levels using dept. supplied foundation bolt for all type structures including all charges for fixing and removing the template etc. complete as directed by the departmental officers at site. | 100 | Set | |
| 17 | 17 | Providing and laying in position reinforced cement concrete 1:1.5:3 using 20 mm broken stone excluding the cost of centering, shuttering, finishing and reinforcement etc all work upto plinth level complete. | 100 | m3 | |
| 18 | 18 | Plastering with cement mortar 1:4, 12mm thick one coat floated hard and trowelled smooth including cost of cement, watering curing etc complete as per the direction of the dept: officer at site | 150 | m2 | |
| 19 | 19 | Back filling with available excavated earth in trenches,plinth,sides of foundation etc in layers not exceeding 20cm in depth,consolidating each deposited layer by ramming and watering lead up to 50m and lift up to 1.5m | 280 | m3 |
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