Civil work for 132 33KV 50 MVA TRF at 220 KV GSS Heerapura

Earth work in excavation by mechanical means (Hydraulic Excavator )/ 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 upto 1.5 m, including taking out the excavated soil and depositing and refilling of jhiri with watering & ramming and disposal of surplus excavated soil as directed with in a lead of 50 meter. All kinds of soils

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer-in-charge. 1: 3: 6 or richer mix.

Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level. 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size).

Providing and laying in position specified grade of cement concrete for all RCC structural elements upto plinth level including curing, compaction, finishing with rendering in cement sand mortar 1:3 (1 cement: 3 coarse sand) and making good the joints and cost of plastizers( if required) excluding the cost of centering, shuttering and reinforcement. M20 grade Nominal Mix / Design Mix

Centering and Shuttering with plywood or steel sheets including strutting, propping bracing both ways and removal of formwork for foundation , footings, strap beam, raft , bases of columns etc.

Providing and fabricating reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding (including cost of binding wire) all complete up to floor five level. ('Original producers' who manufacture billet directly from iron ores and roll the bilets to produce steel conforming to IS:1786)Thermo-mechanically Treated bars (Conforming of relevent IS code)

P&F rigid PVC Pipe (IS:4985 mark) class II/ (4 Kg. /Cm2.) approved quality /make including joining the pipe with solvent cement rubber ring and lubricant. 110 mm dia

Supply of 40 mm stone aggregate ( material code 293@ 990 RS/cum ) (carriage of material building rubbish stone metal grit ballast etc.) FOR 30 KM @ 310 per cum ))

Earth work in surface excavation not exceeding 30cm. in depth but exceeding 1.5 meter in width as well as10 Sqm on plan including disposal of excavated earth up to 50 Mtr. and lift up to 1.5 Mtr. disposed soil to be levelled and neatly dressed : All kinds of soil

Random Rubble stone masonry for with hard stone in foundation and plinth in Cement Sand mortar above 30 CM thick wall in:Cement Mortar 1:6 ( 1-Cement : 6-Sand).

Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level. M15 grade Nominal Mix 1: 2: 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size).

Plaster on new surface on walls in cement sand mortar 1:6 including racking of joint etc. complete fine finish :20 MM THICK

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry, making of lines or groove etc complete but excluding the cost of nosing of steps etc. complete. 40 mm thick with 20 mm thick nominal size

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting (height upto 10 m) , fixing in position and applying a priming coat of approved steel primer all complete:

Add extra for Random Rubble stone masonry with hard stone in Wall upto 30cm. and less thickness.

Providing and laying of paver block as per IS 15658 : 2006 (Indian standard for precast concrete block for paving- specification) and IRC : SP:63-2004 (guidelines for the use of interlocking concrete block pavement)M-30, 60 mm thick to be used in non traffic areas like building premises, monument premises, land scapes, public gardens/ park, domestic drives, paths and patios, Embankment slopes, sand stabilization Area etc.( As per table 1 of IS 15658:2006) Category ‘B’ Denated only two side like I,Z,T shape etc. as per IRC SP 63:2004

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labour charges for collection of existing spreaded 20-63 mm nominal size hand /crusher broken stone aggregate of any thickness from substation yard by manual / mechanical means as permitted by the engineer in charge with due care as per safety norms of substation. this aggregate should be screened and stacked peoperly then this screened aggregate shall be laid in 100 mm thick layer in yard as directed with due care with all lead lift (payment shall be done as per stack measuremnt after deduction of voids as per norms.

Labour charges or spreading of avai;able 20 to 63 mm nominal size hand / crusher broken stone aggregate in uniform layer of 100 mm thickness in yard of any substation (charged /uncharged GSS ) with manual / mechanical means as permitted by engineer incharge with due care as per safety norms of substation complete in all respect with all lead and lift ( pay,emt shall be done as per stack measurement after ded of voids as per norms )

Supplying and fixing of 30mm thick ferrow cement RCC cable trenches covers upto a span of 1200mm of CC grade M-25 with all lead and lift complete having outer frame of MS flat 30x3mm and reinforcement consisting of 6mm dia MS round bar both way at the spacing of 8 to 10 cm C/C as required to adjust the spacing welded with outer frame & binding wire in middle with two layers of G.I. wire mesh 12mm shape of 24 gauge including proper quantities of concrete additional admixture like plasticizer , bond improving compound etc. manufacture with vibro pressing system,20 % covers shall have lifting hooks of 10 mm dia plain round bar to be fixed as directed . MS flat/hooks exposed shall be painted with two coats of superior quality corrosion resistant paint. The above covers shall to take for live load of 2000 Kg/sqm and minimum ultimate load of 3000 Kg/sqm under deflection not exceeding L/25 .

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