Providing protection work to existing H.L.Bridge 5 span 18.75 m each over Roon Nadi x-ing link road from Mianpur to Toka in Ambala Distt

Amount

[15.1.2.1]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 approved material as per clause 304 of MORTandH specifications Ordinary soil 2.1. Mechanical Means Depth up to 3 m

[15.12.1.1]Plain/Reinforced Cement Concrete, in Well Foundations complete as per Drawing and Technical Specification, in Well Steining 1.1. PCC M15 Grade Using Concrete Mixer

[15.12.3.2]Plain/Reinforced Cement Concrete, in Well Foundations complete as per Drawing and Technical Specification, in Well Steining 3.2. RCC M20 Grade With Batching Plant, Transit Mixer and Concrete Pump

[35.11]Geotextile Filter Laying of a geotextile filter between pitching and embankment slopes on which pitching is laid to prevent escape of the embankment material through the voids of the stone pitching/cement concrete blocks as well as to allow free movement of water without creating any uplift head on the pitching. Readymade woven wire crate rolls have been considered in the rate analysis. In case readymade rolls are not available, GI wire 4mm dia. @ 32 kg per 10 sqm may be provided. In that case 2 per cent of the cost of GI wire may be added for weaving the wire crates.

[35.13]Gabian Structure for Erosion Control, River Training Works and Protection works Providing and constructing gabian structures for erosion control, river training works and protection works with wire crates of size 2 m x 1 m x 0.3 m each divided into 1m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 mm x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be securely tied with 4 mm galvanised steel wire. Readymade woven wire crate rolls have been considered in the rate analysis. In case readymade rolls are not available, GI wire 4mm dia. @ 32 kg per 10 sqm may be provided. In that case 2 per cent of the cost of GI wire may be added for weaving the wire crates.

[35.6]Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification. Boulder Laid Dry Without Wire Crates. Including excavation for trimming for preparation of bed. Nominal excavation required for preparation of bed has been taken into account while making provision for labour.

[35.9.1]Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications 1. Stone/Boulder

[NS] Regrading the river bed and reforming the river cross section starting from 825 m u/s of bridge longitudinal axis to 995 m downstream to form a defined waterway of average width of 100m and sideslopes as per drawings complete as per directions and approval of the Engineer

Gupta and Company