SOPD(G)/NLB/22

Amount

Construction of embankment with approved materials obtained from borrow pits with a lift 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300-2 with a lead upto 1000 m as per technical specification clause 301.5

Construction of Granular Sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting vibratory roller to achieve the desired density, complete as per Technical Specification Clause 401. For Grading -II materials

providing and erecting direction and place identification retro-reflectorized sign as per IRC:67 made encapsulated lens type reflective sheeting vide cl.801.3, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.90 sqm fixed on an angle iron of 25X25X4 mm supported on mild steel angle iron post 75x75x6mm 2 nos. firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 45cmX45cmx60 cm, 60 cm below ground level as per approved drawing and sign (All the steel work must be TATA/Sail/or any other approved brand) .

providing and erecting of retro-reflectorized cautionary, mandatory & informatory sign as per IRC:67 made of high intensity encapsulated lens type reflective sheeting vide cl.801.3, fixed over aluminium sheeting, 1.5 mm thick with area an angle iron of 25X25X4 mm supported on mild steel angle iron post 75x75x6mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 45cmX45cmx60 cm, 60 cm below ground level as per approved drawing and sign (All the steel work must be TATA/Sail/or any other approved brand) . (ii) 60 cm equilateral tringle.

providing and erecting of retro-reflectorized cautionary, mandatory & informatory sign as per IRC:67 made of high intensity encapsulated lens type reflective sheeting vide cl.801.3, fixed over aluminium sheeting, 1.5 mm thick with area an angle iron of 25X25X4 mm supported on mild steel angle iron post 75x75x6mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 45cmX45cmx60 cm, 60 cm below ground level as per approved drawing and sign (All the steel work must be TATA/Sail/or any other approved brand) . (iii) 60 cm circular

Earth work in excavation for structure as per drawings and technical specifications clause 305.1 including setting out, construction of shoring and bracing removal of stumps and other deleterious material and disposal upto a lead of 50m, dressing of sides and bottom and back filling in tranches with excavated suitable material.1. Ordinary Soil Up to 3 m depth

Providing concrete for Plain/reinforced cement concrete in open foundation complete as drawings and technical specification clause 802, 803, 1202 & 1203. 1, PCC Grade M 15 (i) Nominal Mix 1:2. 5:5

Providing concrete for Plain/reinforced cement concrete in open foundation complete as drawings and technical specification clause 802, 803, 1202 & 1203. 1, PCC Grade M 20 (i) Nominal Mix (1:2:4)

Plain/reinforced cement concrete in substructure complete as per drawing and technical specification clause 802, 804, 805, 806, 807 & 1204. RCC Grade M 20

Supplying fitting and placing HYSD bar reinforcement (Fe 415) in substructure complete as per drwaing and technical specification clause 1002, 1005, 1010 & 1202. PCC Grade M 20

Reinforced cement concrete M25 grade approach slab including reinforcement and formwork complete as per drawing and technical specification clause 800 and 1211.

Providing & laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical specification Clause 800 and 1206.3.

Drainage Spouts complete as per approved drawing and Technical Specification Clause 1209.

backfilling behind abutment , wing wall and return wall complete as per drawings & technical specification clause 1204.38

Providing and fixing 20 mm thick compressible fibre board in expansion joint complete as per drawing and technical specification

Providing weep wholes in brick massonery /stone measonry, Plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe through the full with of the structure in 1V:20 H slope towards drawing face complete as per Cl. 614, 709, 1204.3.7.

Providing and laying filter media with granular crushed aggregates as per specification to a thickness and not less than 600 mm with smaller size towards the soil and bigger size towards wall and prividing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical specification clause 1204.38

Providing and laying of boulder apron for bed protection with boulders of min size and weight as per table 1300.1 no fragment bweighing less then 25 kg laid dry complete as per drawing and technical specification Clause 1301.

Radha Krishna Pegu

Pankaj Hazarika

Munindra Gogoi