Indian Rare Earths Limited-IREL has published Tender For Sealing Of Trench No. 25. Submission Date for this Tender is 05-02-2024. Trenching Tenders in udyogamandal Kerala. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Filling the voids with iron carbonate / insoluble muck and levelling, consolidation, ramming with roller etc. IRE will provide the material in jumbo bags near to the trench. |
2 | Supplying, filling, levelling and consolidating the top of the trench with M-Sand, compacting with rollers. Measurement will be taken for compacted layer by actual thickness at site. Supply quantity will not be considered for payment. The rate shall includes cost & conveyance of material, labour charges, tools & machineries required etc., to carry out the complete work. |
3 | Supplying and laying polythene sheet of 200 micron (800 gauge) with an overlap of minimum 30cm. (Measurement will be taken for the covered area excluding overlap). |
4 | Providing & fixing reinforcement with High yield strength deformed (HYSD) Fe500 bars conforming to IS 1786, cutting to required size, bending & placing in position, binding with 18/20 gauge black annealed /GI tying wire, including cost of all materials, conveyance, lead, lift of all materials, labour, cleaning steel surface etc., for top of trench work as per drawing and as directed by Engineer-in-charge. (Weight of steel bar shall be taken as per relevant IS standard). |
5 | Providing Formwork for RCC slab 200mm thickof enough strength to withstand the load of mechanical vibrator during compaction of concrete. The rates shall include labour charges for fixing and removal of formwork after use, rental charges/ cost of materials, transportation etc., required for the complete work. |
6 | Providing & laying Ready mix concrete (M-30 Grade as per IS: 456) over the trench with a cement content of 360 Kg/m3 . The concrete must be made with 20mm/12mm graded stone, coarse sand and cement. It must be machine mixed and supplied in rotating barrel mounted on trucks specifically intended for the same. The concrete must be preferably pumped to the area where the area is to be concreted, properly vibrated using mechanical vibrators, consolidated to proper lines and curves and finished smooth at the top using trowel. Water curing must be given for the required period. The rate quoted shall include supply & labourcharges for the complete work excluding the cost of reinforcement and formwork which will be paid separately under relevant items. |
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