Public Works Department Tender

Prestressed/reinforced cement concrete grade M-20 and above

Earthwork in excavation of foundation of structures of culverts, abutments piers, retaining walls etc. as per drawing and technical specification, in all types of strata comprising any of the material such as soil, silt sand, clay, gravel, murrum of all varieties shingles, pebbles all types of conglomerates, laterite rock etc soft rock, ordinary rock or disintegrated rock fissured shattered/ decomposed rock or weathered rock all such material as described under appendix to those specification either in full or in parts as the case may be adopting mechanical means (hydraulic excavator) or any approved method or methods as the case may be convenient or permitted inclusive of chiseling and wedging etc in all conditions such as dry, moist, saturated, submerged, foul condition etc including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing sides, ramming of bottoms, getting out the excavated soil/rock to be leveled and neatly dressed,

pumping and bailing out of water, back filling the excavated earth to the extent required and utilizing the remaining earth locally for road work, barricading, danger lightening, guarding and disposal of excavated earth as directed by the engineer in charge all complete including all leads and lifts and up to depth of excavation as per MoRT & H Specification 304.

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement in position cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 40 mm. nominal size) excluding cost of centering, shuttering and finishing in:

a) All works upto plinth level.

Centering and shuttering including struttings, propping etc. and removal of formwork for :

i) Foundations, footings, bases for columns and mass concrete.

iv) Sides and Soffits of beams, Beam Haunchings, Cantilever, Girders, Bressumers and Lintels plinth beams not exceeding 1m in depth

Providing and laying in position (1:11/2:3) Reinforced cement conrete excluding the cost of centering, shuttering, finishing and reinfrocement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size)

c) In beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases upto floor five level

Providing TMT steel reinforcement bars of (SAIL, TATA. VIZAG, JSW Steel Ltd.) (Confirming to IS 1786 of 1986) for RCC work (conforming to I.S. 1786 of 1986) including bending, binding & placing in position in all the floors along with 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.

Providing and fixing weepholes with rigid PVC make laid in position with a required slope and level while layingpipes of approved the concrete of retaining wall,wing wall and earth retainig structure complete as directed by the Engineer in charge

B) 75 mm dia

Providing and alying 60 mm thick factory made cement concrete interlocking paver block of M30 grade made by heavy duty block making machine with strong vibratory compaction using 3 ton roller and of aprpoved size and design / shape laid in 50 mm thick compacted bed of course sand, filling the joints with coarse sand, etc. all complete as per the direction of Engineer.

Additional cost for coloured paver blocks

Red / Black

Supplying and fixing of Precast RCC slabs(factory made,the factory should be ISO certified and registered under Dirctorate of Industries, Govt. of India) at site in concrete Grade of M-25 with 20 mm nominal size Granitic or basaltic aggregate, consolidated by means of mechanical platform, vibration etc. with lifting hooks of M.s. 10mm bars and PVC cups including cost of reincforcement, Certificate from manufacturer shall be produced indicating grade of concret and minimum content of steel in the product along with 5 year free replacement warranty in case of breakage complete and as directed by Engineer -in -charge.

b)Size 900 x 400 x 100 mm with steel reinforcement not less than 5.0 kgs per unit -12 T capacity (The slabs shall be procured through GHRSSIDC enlisted vendors and payment shall be released on submission of invoice)