KAM/KRC/SOPD(G)/2022.23/12 Construction of RCC Retaining wall on Aswalakanta Hill road including improvement of road under SOPDG for the year 2022.23Jalukbari LAC

Amount

Road Works

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (ii) For Grading II Material

WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III 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 to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. A) By Manual Means

Interlocking pavement block (i) Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm a s per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

Construction of RCC Retaining wall

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. (b) Rubble Stone Masonry in Cement Mortar

Excavation for Structures (Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious mate rial and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soil 3 m to 6 m depth

Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per Clause 303.5.2 as per Technical Specification Clause 302.3.11

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 1303.3

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. I Without plasticiser A) PCC Grade M15

Supplying, fitting and placing TMT IS:1786 (Fe500) bar reinforcement in sub-structure complete as per drawing and technical specifications (a)TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/Jindal panther steel/ Shyam steel or equivalent)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork F) RCC Grade M25 a) Height upto 5m Case II With Batching Plant, Transit Mixer and Concrete Pump

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork.(N) Without Plasticiser RCC Grade M25 Using Batching Plant, Transit Mixer and Concrete Pump b Height 5m to 10m

Providing weep holes in Brick Masonry/Plain/ Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 ii Sandy material

Prakash Kumar Medhi