NIT for repairing and water proofing of roof of Cable Gallery, construction of drain and strengthening of existing cable racks at PPH and replacement of damaged cable trench covers and repair of flooring at various location in 220 kV S/yard Talwara.

Cement concrete 1:2:4 a)With stone ballast or shingle ii) mixing by mechanical means using concrete mixer volumetric type

Extra over item No. 10.1 to 10.13 when work is done in situ in small quantities not exceeding 0.30 cum per block in situ such as staggered blocks, arrows, concrete block over inverted filters, bed plates arches etc.

Cold twisted detormed (Ribbed/ Tor steel) Bars (Fe 500 grade as per IS 1786-2008) , for R.C.C works, where not including in the complete rate of RCC including bending and binding placing in position complete.

Shuttering for precast and plain or Reinforced concrete blocks, wall plates, bedplates, shelves etc.

MS CHANNELS/ FLATS: (xv) Supply and Erection of MS angle iron (Channel)/ MS Flats of suitable size with cutting, bending and necessary holes as desired by Engineer-in-charge at site: (g) MS flat iron size 50mm x 5mm thick

Earth work containing Gravel (in loose from in non cohesive binding material) work in excavation with occasional use of picks exclusive of compensation of earth undressed with combined lead upto 15 metres with percentage of gravel or Kankar. (a) Exceeding 40 % but upto 60 %.

Conglomerate floor 40mm thick cement concrete 1:2:4 on 100mm thick cement concrete 1:8:16 with stone aggregate 40mm gauge and 100mm fine sand filling. using mechanical mixer for mixing of material.

Providing and fixing 10mm thick acid and/or alkali resistant tiles 300 mm x 300 mm of approved make and colour using acid and/or alkali resisting mortar bedding and joints filled with acid and/or alkali resisting cement as per IS : 4457 complete as per the direction of Engineer-in- Charge, in flooring or in dado / skirting on a bed of 12 mm thick mortar 1 : 4 (1 acid proof cement: 4 coarse sand).

Dismantling of wall tiles at any floor of the building, laid in cement mortar including scraping of cement plaster and disposal of malba at a suitable place within a distance of 100 Mtrs of the complex complete in all respect.

Providing and fixing 1st quality ceramic glazed wall tiles Matt/Semi Matt/Glosy/Highly Gloss finish/Highlighter/emboss conforming to IS : 15622 (thickness to be specified by the manufacture of approved make in all colours, shades except burgundy, bottle green, black of size 600 x 300 mm as approved by Engineer-in-Charge in skirting, risers of steps and dados over 12 mm thick bed of cement Mortar 1:4 (1 cement: 4 fine sand) and jointing with grey cement slurry @ 3.3kg per sqm including pointing in white cement mixed with pigment of matching shade complete.