Tender For Short Term Contract For Removal Of Pond Ash From Ash Pond And Filling In Low Lying Areas In Nalco Damanjodi, damanjodi-Odisha

Tender For Short Term Contract For Removal Of Pond Ash From Ash Pond And Filling In Low Lying Areas In Nalco Damanjodi => Limited; 1 1) Earth work in excavation by mechanical means(hydraulic excavator)/manual means in all kind of soil over areas(exceeding 30cm in depth,1.5m in width as well as 10sqm on plan)including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed . 2 3) Filling of ash by excavation of ash from Ash Pond in or under waterand / or liquid mud, including pumping out wateras required by dewatering, making coffer dams with loading, flood banks, marginal banks , transportation & unloading ash with a lead of up to 50m by truck / tipper etc. and spreading in layers not exceed 30cm depth , levelling , watering & compacting with hand roller in low lying areas , rolling every third & most layer with power roller of minimum 15 tonnes includingdressing of the ash filled slopping embakments/roads , etc all complete as per the instruction of Engineer-in-Charge . 3 3.1) same as above but lead upto 5.00 Km 4 3.2) same as above but lead between 5-7 Km 5 3.3) same as above but lead between 7-9 Km 6 4) Earth work in excavation by mechanical means(hydraulic excavator)/manual means over areas(exceeding 30cm in depth,1.5m in width as well as 10sqm on plan) including filling of available excavated earth in layersnot exceeding 30cm in depth, breaking clods, watering , rolling each layer with 1/2 tonne roller or wooden or steel hammers and rolling every 3rd and top most layer with power power roller of minimum 15 tons and dressing of embakments for filling of ground depressions, providing each cover over ash filling of required depth as directed by Engineer-in Charge with lead up to as mentioned below and lift up to all height in all kind of soils. 7 4.1) same as above but lead up to 2.0 Km 8 4.2) same as above but lead between 2-4Km 9 9) Supplying and laying Random rubble masonry with approved hard stone in drains, foundation, plinth, wallsbelow ground, culverts, retaining wall in all size and height with cement mortar 1:6 (1 cement: 6 coarse sand) including curing, cost of the stone, royalty etc. allcomplete as per the direction of Engineer-in-Charge.(Cement shall be supplied free of cost by the NALCO from the designated storein the Alumina Refinery complex.) 10 10) Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete. 11 11) Grassing with selection No.1 grass including watering and maintenance of the lawn for 30 days or more till the grass forms a thick lawn, free from weeds and fit for mowing including supplying good earth, if needed (the good earth shall be paid for separately).With grass Turf. 12 12) Providing and laying non-pressure NP2 class (light duty) R.C.C. Pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. Complete : (Cement shall be supplied free of cost by the NALCO from the designated storein the Alumina Refinery complex.) 13 12(i)) 300 mm dia. R.C.C. pipe 14 13) Providing and laying non-pressure NP3 class (medium duty) R.C.C. Pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. Complete : (Cement shall be supplied free of cost by the NALCO from the designated storein the Alumina Refinery complex.) 15 13.1) 600 mm dia RCC pipes 16 13.2) 900 mm dia RCC pipes 17 13.3) 1200 mm dia RCC pipes. (Laying by mannual/machenical means) 18 14) Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

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