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| 1 | Earthwork in excavation of foundation of structures of culvert, abntments piers, retaining wall etc in all types of strata comprising any of the materials such as soil, silt, clay gravel murrum of all varieties shingles pebbles all types of conglomerates, laterite rock, ordinary soft rock, disintegrated rock fissured rock shuttered decomposed rock or weathered rock and all such other materials as described under Appendix \"A\" to those specification either in full or parts as the case may be manual mean or any approvedmethod or methods as the case may be convenient or permitted inclusive of chiselling, wedging, blasting prohibitedetc. in all conditions such as dry moist saturated submerged foul conditionsetc. and as directed by the Engineer in - charge including dressing of sides ramming of bottoms including getting out the excavated soft/rock to be levelled & neatly dressedincluding setting out construction of shoring and bracing removal of stumps & other deleterious matter, dressing of sides & bottom, black filling the excavation earth pumping and bailing of water carriage and disposal of excavated material barricading danger lighting guarding and disposal of excavated earth as directed by the Engineer - in Charge including all leads and lifts etc. complete. |
| 2 | Rubble packing with hard laterite stone under floors including watering ramming and consolidatingetc.in pipeline trenches and other foundations complete. |
| 3 | Providing and laying in position cement concrete 1:2:4(1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 20 m nominal size) excluding cost ofcentering,shuttering and finishing :a) All works upto plinth level |
| 4 | b)In retaining walls , return walls(any thk) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping bed blocks, anchor blocks, plain window sills, fillets etc, upto floor five level. |
| 5 | Centering and shuttering including struttings, propping etc. and removal of formwork for :a) Foundations, footings, bases for columns and mass concrete. |
| 6 | b) vertical surfaces such as retaining walls , return walls, walls (any thk) including attached pilasters, buttresses, plinth and string courses, fillets, etc. |
| 7 | Providing and fixing weep holes with rigid PVC make laid in position with a required slope and level while laying pipes of approved the concrete of retaining wall, wing wall and earth retaining structure complete as directed by the Engineer in chargeA) 110mm dia. |
| 8 | Removal of defective concrete,cleaning the surface thoroughly,applying the shotcrete mixture mechanically with compressed air under pressure,comprising of cement,sand,coarse aggregates,water and quick setting compound CentramentRapid 640 of MC Bauchemie or Equivalent)in the proportion as per clause 2807.1., sand and coarse aggregates conforming to IS: 383 and table 1 of IS: 9012 respectively,water cement ratio ranging from 0.35 to 0.50,density of gunite not less than 2000 kg/cum,strength not less than 25 Mpa and workmanship conforming to clause 2807.6. |
| 9 | Providing High yield strength steel reinforcement bar (HYSD)/TMT steel reinforcement bar from secondary producers (Confirming to IS 1786 of 1986) for RCC workincluding bending, binding & placing in position in all the floors alongwith the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member. |
| 10 | Providing and inserting nipples with approved fixing compoundMC Fix STofMC Bauchemie or Equivalent after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy. |
| 11 | Sealing of cracks/porous concrete by injection process through nipples/GroutingWith AdmixtureMCEin preshilf EHofMC Bauchemie or Equivalent)complete as per Technical specification.A) Cement mortar (1:1) Grouting |
| 12 | Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy (MC Dur 1250 & Accelerated compound Torkrethilfe BE of MC Bauchemie or Equivalent) complete as per Technical specification. |
| 13 | Providing and fixing 40 mm dia G.I. Pipe railing in 3 rows complete with G.I. Fittings incl. Painting of pipes and fittings with white paint of approved quality incl. A priming coat with a ready mixed primer for new works incl. Providing R.C.C. 1:2:4 rail posts of size 0.15 x 0.15 x 1.00 M with base of 0.25 x 0.25 x 0.3 m at every 2 mts intervals and double rail post with a bar drawings inclusive of cost of reinforcement etc. all complete including white wash washing of rail posts etc. all complete. |
