A.R and M.O NH.505A Km 0.00 to 17.00 SH. Construction of Retaining wall in PCC at RD 6.413 to 6.436

Earthwork in excavation for structures in all depths as per drawing and technical specifications as per Clause 304 of section 300 of MORTH specifications in all kinds of soils i.e.pick work,jumper work, blasting work in soft and hard rock and intermediate classifications of soil including chiselling and wedging out of rock with in all depths and heights, stacking the useful materials and disposal of unserviceable materials upto the identified dumping site as per the direction of the Engineer-in-Charges with in all leads and lifts. Any loss of public/private property during the course of execution shall be the sole responsibility of contractor which shall have to be duly compansated by him at his own cost.

Providing and laying mechanically mixed and vibrated cement concrete M-15 containing minimum contents of cement is 5.50 bags per cum in all heights and depth as per drawing and technical specifications in foundation of retaining walls 3 complete as per MORTH specification No.1500,1700 & 2100 including carriage of all materials within all leads and lifts with all modes of transportation and equipment and cost of formwork required to complete the work to the satisfaction of the Engineer-in-Charge.

Providing & fixing weep holes in plain cement concrete Retaining wall, Breast wall, abutments and return walls with 100 mm (one hundred milimetre) PVC pipe, extended through the full width of the structure with slope of 1 V: 20 H towards draining face complete as per MORT & H specifications clause 2706 and 2200 (latest revision) including hauling of material in all leads and lifts with all modes of transportation and as per 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 MORT &H specifications to a thickness of not less than 600mm (Six hundred milimetre) with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind retaining walls, abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and Technical Specifications as per MORTH Clause 710.1.4 of IRC 78 & 2200 latest revision with in all leads and lifts through all mode of transportation and as per the entire satisfication and direction of Engineer -in-Charge.

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