Improvement of chooragaad to sutol kanol Motor Road under Nanda Devi Rajjat Yatra

Excavation for Structures :Excavation in foundation for cross drainage structures, Retaining walls, brest walls, brest walls, breast walls and other similar structure in all types of soils and rocks as met at site with all leads, lift and disposal of surplus earth as directed by Engineer-in-charge aslo including supply of all materials, labour, T&P etc. required for proper completion of work.

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.)

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

HP stone filling in back of walls includings supply of all material, labour, T&P etc. required for proper completion of the work.

Providing and Laying ofMechanically 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).

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire (@ 32 Kg/ 10 Sqm) conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Construction of Parapit as per Standerd Drawing Attched Including supplky of all material,labour and T&P etc. Complet (2.00x0.45x0.60)

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)

Plastering with cement mortar (1:4), 15mm thick on brick work in substructure as per technical specification Clauses 613.4 & 1204

Surface Drains in Soil Construction of unlined surface drains of average cross-sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307.

Granular sub-base/base/surface course with local materials (Table 400.13) by mix in place method normal Construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408. Using naturally occuring gravel

WBM Grading-2…..By Mechanical Means Providing, laying, spreading and compacting stone aggregates of specific sizes(53mm to 22.4 mm) to water bound macadam 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, crushable screenings (Type B-11.2 mm) to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405 of MORD Specification for Rural Roads 2014

Cement Concrete (PCC M-30) Pavement:- Constructionof Un-reinforced,Cement concrete pavement, thickness as per design, over a prepeared sub base with 43 grade cement or anyother type PCC Grade M-30, coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25mm, mixed in a concrete mixer of not less then 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid inapproved fixed side formwork (Steel channel, laying and fixing of wedges, steel plates including levelling the form work,as per drawing), spreading the concrete with shovels, rakes, compacted using needle, and plate vibrators, finished in continuous operation and curing of concret slabs for 14days, using curing compound where specified and water is hing to line sand grade as per drawings and technical specifications

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 reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 R.C.C M 25 Height upto 5m

Supplying, cutting , and placing of HYSD bar reinforcement in substructure/superstructure complete (IS1786:2008 clause no. 1.6) Steel shall not be from rerolling plants and shall conform to relevent IS Code including supply of all materials, labour,t&p&royalty etc,required for proper completion of work as directed by Engineer-in-charge as per MORD specification no. 1000 (Culvert, Bridge, Causeway, Scupper etc.)

Providing weepholes in brick masonry/stone masonry, plain/reinforced concreteabutment, 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

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

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.

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 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. Manual Means Bitumen (VG-10)

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 By Manual Means Type B Bitumen (VG-10)

Seeding and Mulching Preparation of seed bed on previously laid top soil, furnishing and placing of seeds, fertilizer, mulching material, applying bituminous emulsion @ 0.23 litre per sqm and laying and fixing jute netting, including watering for 3 months all as per Technical Specification Clause 310.