Construction of Precast Property cum Exclusion Boundary Wall for Kovvada Plant Site (Phase-II)

Site Clearance: Clearing the site including uprooting and removal of shrubs, bushes, weeds, vegetation, grass, brush wood, trees and saplings of girth up to 45 cm measured at a height of 1 m above ground level and disposal of all cleared material outside the periphery of the boundary with a minimum lead of 2.00 km in safe way to prevent any kind of fire hazard etc., complete as per specifications and as directed by Engineer. Note: Rate for disposing of cleared material is inclusive in the quoted rate and disposing of material outside of boundary shall be responsibility of contractor. No burning with fire is allowed.

Enumeration, cutting and Felling:Enumeration of trees along with girth size & felling trees of all sizes of girth, including cutting of trunks and branches, removing the roots and disposal of all cleared material outside the periphery of the boundary and cleared as per drawings and specifications and directions of EIC. Filling the pit with good earth to prepare a even surface if required. Trees of girth size above 45cm measured at a height of 1 m above ground level shall only be considered in this item. Note: 1. Stacking of serviceable material inside Plant boundary as directed by EIC. No burning with fire is allowed. 2.During girth measurement, a tree having multiple branches at a height of 1m above ground level then the branch with maximum girth size shall be considered.

Earthwork excavation (soil/soft rock) :Excavation in in all types of soils, murram, soft rock, and loose boulders by mechanical means/ manual means in foundation trenches or drains including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m.

Earthwork in Hard rock: Excavation in Hard rock (blasting prohibited) by mechanical means in foundation trenches or drains including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated rock and disposal of surplus excavated rock as directed, within a lead of 50m.

PCC: Providing and laying plain cement concrete 1:3:6 using stone aggregate of maximum size of 20mm including cost of form work, mixing, transporting, consolidating, curing and finishing smooth all exposed faces, placing in line and level, all as per drawings, specifications and as directed by Engineer. Note:-Minimum consumption of cement shall not be less than 220kg/cum.

Earth Filling Excavated Earth: Providing and filling available selected stacked earth within plant site in foundation and in other areas in layers of not more than 200mm thick, each layer well rammed, watered and consolidation with rammers to form an even and hard ground as per drawings, specifications and directions of Engineer.

Earth Filling Borrow Pit: Providing and filling selected earth/Murram brought from borrow pits out side the plant premises in foundation and in other areas in layers of not more than 250mm thick, each layer well rammed, watered and consolidation with rammers as per drawings, specifications and directions of Engineer.

Subgrade: Construction of sub-grade and earthen shoulders with borrowed useful selected earth having MDD of not less than 1.75 gms/cc from outside road boundary by mechanical means with all leads and lifts including pre-watering of soil at borrow area, removal of top soil at least by 100mm to achieve even & hard surface, excavation of soils at borrowed area, conveyance of soil, depositing the soils on the embankment, spreading soils, breaking clods, sectioning and consolidation with vibratory road roller @ OMC to meet requirement of Table 300-2 of MORT&H including all hire and operational charges of T&P , complete for finished item of work as per MORT&H specification 305 (5th revision). The item includes taking RLs on the preparatory surface and after the completion of the road. The item will be paid based on the quantity arrived by calculating the difference between the RLs (after the completion of the road) including the all the scope mentioned above & Labour. Cost is all inclusive of labour, material, machinery, tools & tackles. Note: After cleairng the jungle & prior to the laying of gravel, the loose soil on the surface shall be removed and the entire stretch shll be rolled with a smooth vibratory roller (8 to 10 tonne) after sprinkling suffiecient water with tractor with mounted tank till hard surface is achieved. Tractor Dozer shall be employed for levelling & spreading of soil evenly.

RCC: Providing and casting insitu(Design mix), RCC of Grade M-30 with a minimum cement content of 350 kg/cum using stone aggregate of maximum size 20mm including, transporting, placing at all elevations, vibrating, consolidating, curing and finishing even all exposed faces for all insitu items as per specification. (The rate quoted shall be exclusive of reinforcement and formwork).

Formwork: Design, supply, place formwork including forming groove wherever required for construction joints and remove formwork inclusive of required scaffolding / staging materials, labors, tools & plants, safety nets, platform access, railing, etc. all complete as per drawing specifications and as directed by Engineer-in-Charge. Note: 1. Only shuttering oil of reputed brand shall be used. Any kind of formwork Foundations, Footings, Bases of columns, Walls (any thickness) including attached pilasters, butteresses, plinth and string courses, Suspended floors, roofs, landings, balconies and access platforms, Lintels, beams, plinth beams, girders, Columns, pillars, piers, abutments etc.