Improvement of Ramni To Pairi Motor Road under Nanda Devi Rajjat Yatra

Excavation in foundation for structures in all types of soils and rocks including lead, lift and disposal of surplus material as directed by Engineer-in-charge and MoRD specification clause 305 (R/W, B/W, Parapet, Culvert, Hume Pipe, Causeway, Bridge, Dry Scupper, Catchpit, drain etc.)

Construction of R. R . stone masonary in cement mortar 1:5 including supply of all materials, labour, t&p & royaltyetc, required for proper completion of work as directed by Engineer-in-charge and MoRD specifications Clause 700 &1604. (R/W, B/W, Parapet, Culvert, Hume Pipe, Causeway, Bridge, Dry Scupper, Catchpit, drain etc.

Construction of R. R. stone masonary laid dry including supply of all materials, labour, t&p & royalty etc, required for proper completion of work as directed by Engineer-in-charge and MoRD specifications Clause 700 &1604. (R/W, B/W, Dry Scupper, Catchpit etc.)

HP stone filling in back of structures including supply of all material, labour, T&P etc. required for proper completion as directed by Engineer-in-charge and MORD specification clause 1604.7. (R/W, B/W, Parapet, Culvert, Hume Pipe, Causeway, Bridge, Dry Scupper, Catchpit etc.)

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 Stone/Boulder

Providing and laying of concrete for plain/reinforced concrete in open foundations for structures including supply of all materials, labour,t&p&royalty etc,required for proper completion of work as directed by Engineer-in-charge and MORD specifications Clause 800 , 1202 & 1203 for P.C.C grade M 10. (Parapet, Culvert, Hume Pipe, Causeway, Bridge, Dry Scupper, Catchpit etc.)

Providing and laying of concrete for plain/reinforced concrete for structures including supply of all materials, labour,t&p&royalty etc,required for proper completion of work as directed by Engineer-in-charge and MORD specifications Clause 800, 1202 & 1203 for R.C.C grade M 25. (scupper, Culvert, Causeway, Bridge etc.)

Supplying, fitting, and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment,wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Cement plum Masonry with 40% plum & 60% 1:3:6 cement concrete including supply of all material, labour, T&P etc. required for proper completion of the work. as per drawings and technical specifications Clause 802, 803, 1202 & 1203 of MORD Specifiction

Providing and Laying of Mechanically Woven Double Twisted Hexagonal shaped Gabions (Zinc plus PVC coated), of size 3mX1mX1m with two diaphragms at 1m interval, having mesh opening 100mmx120 mm, mesh wire diameter 2.7mm/3.7mm, edge/selvedge wire diameter 3.4/4.4 mm and lacing wire diameter 2.2/3.2 mm. (The work includes filling boulders in the gabions).

Type - A, "W" : Metal Beam Crash Barrier Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810 ( if Concrete Required for Vertical post Fixing will be paid extra)

WBM Grading 3 WBM Grading 3:-Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading3 as per MORD Specification Clause 405.

Providing and applying Prime coat LOW porosity with Bitumen emulsion (SS-1) complying with IS : 8887 on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70- 1.0 kg/sqm using mechanical means as per Technical Specification Clause 502

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

Premix Carpet 20 mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 11.2 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant laying and rolling with a three wheel 80-100 KN static roller capacity finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508. Bitumen (S-90)

Providing and laying seal coat by bituminous Emulsion as for sealing the voids in a bituminous surface laid to the specified levels grade and cross fall using type-B as per Techanical specification Clause 508.