Estimate for Reconstruction of Bridge at RD 57680 of Apra Distributary

Amount

Dismatling brick work, tile masonary or tile lining

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with excavated surplus soil In ordinary soil by mechanical means (Depth upto 3 m)

Plain Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. A PCC Grade M15

Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications RCC Grade M-30 With Batching Plant, Transit Mixer and Concrete Pump Height upto 5m

Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications F RCC Grade M-25 With Batching Plant, Transit Mixer and Concrete Pump Height upto 5m

Provision of an Reinforced cement concrete crash barrier at the edges of the Bridge,road, approaches to bridge structures and medians, constructed with M-40 grade concrete , with HYSD reinforcement conforming to IRC:21 and dowel bars 25 mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board, keyed to the structure on which it is built and installed as per design given in the enclosure to MOST circular No. RW/NH - 33022/1/94-DO III dated 24 June 1994 as per dimensions in the approved drawing and at locations directed by the Engineer, all as specified-with concrete mixture.

Drainage Spouts complete as per drawing no. SD/205 and Technical specification with 0.6 meter long GI 100 mm dia drainage GI light grade pipe (For Bridges)

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Sandy material

Providing, Laying , fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications.xvi 160mm o/d pipe of 6 Kgf. / sqcm

Cement concrete lining 75mm. thick or less laid manually for irrigation channels, using cement concrete M?15 with cement content 325 kg/cum mixed in an automatic computerized Batching & Mixing Plant and transported to the site in transit mixers with an average lead of 1 Km(FOR TRAPEZOIDAL SECTION AND CUP SECTION OF ALL RADII)

Putting 1:3 (Cement:water) cement slurry with cement @ 2.25 kg per sqm on prepared bed and side slopes before laying concrete on bed and side slopes.

Providing and laying cement concrete M-15 for coping mixed in automatic computerised batching and mixing plant and transported to the site in transit mixers complete in all respect in PWD specifications

Earth work for lip cutting for lining of irrigation channels inclusive of all allowances, lead and dressing :-(a) 0 to 1.5 m depth

Dressing of Side Slopes and prepration of sub grade for lining complete in all respect as per pwd specification.

Providing and applying two coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ 1 Litre for 2 sqm.

Cautionary sign board 600x600x600mm triangular as per IRC 67- 2012 with high intensity Microprismatic grade retro reflective Sheeting as per ASTM D 4956 – 09 and as per IRC 67 – 2012. fixed over 3mm thick aluminium Composite material (ACM) sheeting having aluminium skin thickness of 0.25 to 0.3 mm on both sided and fixing the same with suitable size aluminium alloy rivets @ 200 mm c/c to back support frame of 25x25x3mm angle iron supported on a square hollow steel section post 60x60x3.2mmmm conforming to IS 4923 without cost of definition plate firmly fixed to ground in foundation concrete M-25 of size 0.45x0.45x0.60m for vertical post complete as per clause 801 of MORT&H specifications. Supplier shall provide a warranty as per clause 6.9 of IRC 67-2012 for retro reflective sheeting & a certified copy of test reports from an independent test laboratory conforming to clause 6.7 of IRC 67-2012 .(b) Using high intensity Microprismatic grade retro reflective Sheeting Type XI as per ASTM D 4956 09 and as per IRC 67 2012

Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

Informatory sign board 600x600mm square as per IRC 67- 2012 with high intensity Microprismatic grade retro reflective Sheeting as per ASTM D 4956 – 09 and as per IRC 67 – 2012. with retro reflective high intensity Microprismatic grade sheeting fixed over 3mm thick Aluminium Composite Material (ACM) sheeting having aluminium skin thickness of 0.25 to 0.3 mm on both sided and fixing the same with suitable size aluminium alloy rivets @ 200 mm c/c to back support frame of 25x25x3mm angle iron supported on a square hollow steel section post 60x60x3.2mm conforming to IS 4923 without cost of definition plate firmly fixed to ground in foundation concrete M-25 of size 0.45x0.45x0.60m for vertical post complete as per clause 801 of MORT&H specifications. Supplier shall provide a warranty as per clause 6.9 of IRC 67-2012 for retro reflective sheeting & a certified copy of test reports from an independent test laboratory conforming to clause 6.7 of IRC 67- 2012 .(c) Using high intensity Microprismatic grade retro reflective Sheeting Type XI as per ASTM D 4956 09 and as per IRC 67 2012

Painting new letters and figures of black synthetic enamel paint to an even shade

Road Marking with Thermoplastic Compound Road marking with hot applied thermoplastic compound 2.5mm thick including reflectorising glass beads @ 0.25kg per sqm area as per IRC:35 1997 complete as per technical clause 803 of MORT&H specifications

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications.

Any Other Item

RAJ KUMAR