Kerala State Electricity Board-KSEB has published Tender For 33Kv Substation Nit Construction Of Earth Mat Earthwork Excavation Laying Earth Rod Welding Works Ground Rod Boring Of Holes For Ground Rod Refilling Etc. Submission Date for this Tender is 14-12-2023. Absorbents Tenders in calicut Kerala. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Earth work in excavation by mechanical means ( Hydraulic excavator) or manual means in foundation trenches or drains (not exceeding 1.5 m 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, with in a lead of 50 m. ( All kinds of soil) |
| 2 | Earth work in excavation by mechanical means ( Hydraulic excavator) or manual means in foundation trenches or drains (not exceeding 1.5 m 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, with in a lead of 50 m. ( Ordinary rock) |
| 3 | Cutting 32mm MS rod in required length etc complete as per the direction of the departmental officers. |
| 4 | Bending 32mm MS rod suitably for risers, crossingcable trenches/foundations etc. as per directions of departmental officers at site |
| 5 | Laying of earth mat of required size as specifiedusing 32 mm MS rod including leveling lowering and placing in trenches, complete as per the direction of departmental officers |
| 6 | Drilling holes and driving down MS ground electrode from the bottom level of trench in all classes of soil including rock etc. complete as per the directions of department officers |
| 7 | Drilling bore holes of sizes 150mm or nearest in all classes of soil including hire charges of plant and machinery, cost of oil, fuel, tool etc. and taking all necessary precautions for safety to the substation equipments etc. as per the direction of departmental officers at site. |
| 8 | Welding of overlapping joints for mat,riser lap joints with 32mm MS rod placed in trenches, having 150mm in length 6mm thick on both sides of the rod and both ends of overlapped MS rods with 6mm welding thickness after cleaning the surface neatly. Chargesincludes cost for low hydrogen content electrode (No.E7018),hire charges for DC arc welding set and tools and plants required, current charges including labour charges for holding MS rod in position andapplying two coats of anti corrosive paints at the welded joints etc. complete as per directions of departmental officers at site |
| 9 | Welding the nodal points (cross joints ) in the trenches at two sides to a thickness of 6mmafter 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/ GI earth pipe in position and applying two coats of anti corrosive paints at the welded joints etc. complete as per the directions of departmental officers. |
| 10 | Welding the ground electrodewith 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. |
| 11 | Filling available excavated earth (excluding rocks)in trenches, plinth, in sides of foundation etc. in layers not exceeding 20 cm in depth, consolidated each deposited layer by ramming and watering, lead upto 50 m and fill upto 1.5 m. |
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