Construction of R/wall from Dhalli tunnel to Mashobra junction on Kalka-shimla-wangtoo Road NH-22 (New NH No-05)

Amount

Earth work in excavation of foundation of structures for Retaining walls and 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, backfilling the excavation earth to the extent required and disposed off the surplus excavated earth up to all leads and lifts by all mode of transprot on identified dumping place at Mumcipal Committee on Tara Devi Air port road, as per technical specification clause 304 by mechanical means as per the direction of the Engineer-in-charge .

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. M-20 as per MoRT&H Specification Clause 1500, 1700 and 2100 as per fifth revision including all lead lift and carriage of material by all mode of transportation to the entire satisfaction and direction of the Engineer-In Charge.

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind retaining wall to the full height compacted to a firm condition complete as per drawing and Technical Specification.

Providing weep holes in brick masonry / stone masonry /plain reinforced concrete abutment, wing wall, return wall with 100 mm dia PVC 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 MoRT&H clauses 2706 & 2200 and as per direction of the Engineer-in-Charge in all leads and lifts and carriage of materials by all means of transport etc.

Providing and Laying reinforced Cement concrete pipe NP4/Prestressed concrete pip for culverts on first class bedding of granular materials in single row including fixing collar with cement mortor 1:2 (One cement:two sand) but excluding excavation,protection works, backfilling concrete and masonary works in head walls and parapets as per MoRT&H specification clause 2900 including all leads,lifts and carriage of material as per the entire satisfaction of Engineer-in-Charge.

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 2.00 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 including all leads, lifts and carriage of materials as per the entire satisfication of the Engineer-in-Charge.

kapoor sanjee