R and M of damaged cable trenches in 220/132/33 KV Yard at 220 KV GSS Hamirgarh.

Demolishing stone rubble masonry manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge: In cement mortar. B-14.9.2

(B-54/3.1.6) Providing and laying in position cement concrete including curing compaction etc. of specified grade excluding the cost of centering and shuttering; All up to plinth level, 1:4:8 (1-Cement:4-coarse sand:8-graded stone aggregate 40 mm nominal size).

(B-69/6.1.6) 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).

(B-128/11.3.1) 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.40mm thick with 20mm thick nominal size aggregate.

(B-139/12.3.2) Plaster on new surface on walls in cement sand mortar 1:6 including racking of joint etc. complete fine finished: 20 mm thick.

(B-59/4.1) 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.

(B-61/4.9) Centering and shuttering with plywood or steel sheets including strutting, propping, bracing both ways and removal of formwork for foundations in basements rafts, footings, strap beams, bases of columns, etc.

(B-62/4.13.3) 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. Thermo-mechanically Treated bars (Conforming of relevent IS code).

(B-130/11.9.1) Providing & fixing glass strips in joints of terrazo / cement concrete floors. 40 mm wide and 4 mm thick.

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. B-14.2.1

(B-54/3.1.6) Providing and laying in position cement concrete including curing compaction etc. of specified grade excluding the cost of centering and shuttering; All up to plinth level, M10 grade Nominal Mix 1: 3: 6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size).

S-3.16.3 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

Recover cost of useful stone @ 2/3rd of masonry work dismantaled quantity.

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Supply & Fixing 30 mm thick ferro cement RCC cable trench covers up to span 1200mm CC grade M-30 having outer frame of M.S. flat 30x3 mm and reinforcement consisting of 6mm dia M.S. round bar both way at the spacing of 8 to 10 cm C/C as required to adjust the spacing welded with outer frame and binding with 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% cover shall have lifting hooks of 10mm dia plain round bar to be fixed as directed MS flat/hooks exposed shall be painted with two coats of superior quality corrosion resistance paint. The above covers shall to take for live load of 2000 kg/sqm and minimum ultimate load of 3000 kg/sqm under defection not exceeding L/25. (excluding GST and inclusive of transportation charges.)

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