Construction of boundary wall against NDC bay (West side) at 132kV Sishugram GSS

Civil works

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.(A) Up to a depth of 1.00 m below the existing ground level.(a) In Ordinary soil

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) (a) In prop 1:3:6 aggregate by volume.

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level. (a) Brick on flat soling.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. 5.22A.6 Thermo-Mechanically Treated bars of grade Fe-500D or more (i) TATA/SAIL

RCC WORKS: 1:1½:3 (1 cement : 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 graded stone aggregate upto plinth level with :Cement mortar 1:6 (1 cement : 6 coarse sand).Upto a depth of 750 below FGL (Bottom width:800mm, Top width:400mm)

Centering and shuttering including strutting, propping etc and removal of form for foundations, footings, proppings etc for mass concrete

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement.12 mm cement plaster.( Considering 70% of total surface area including inner slab)

Distempering with 1st quality acrylic distemper (ready made) having VOC content less than 50 gm per ltr. of approved manufacturer and of required shade and colour complete. as per manufacturer's specification.

Structural steel work in single section, fixed with or without connectingplate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. (for ISA 50 X 50 X 5 mm)

Providing & fixing concertina coil fencing with required dia 600mm (having 15 nos round per 6 meter length) up to 3.00m height of wall with existing angle iron Y shaped placed 2.4m or 3.00m apart and 9 horizontal RBT (Reinforced Barbed wire of high tensile strength of 165 kg/sq.m with tape (0.52mm thicks and weight 43.478 8m/meter (cost of M.S angle, C.C. blocks shall be paid separately).

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