KAM/GRC/SOPD(G)/ 2020-21/23.Improvement of Bezdol Road ( Ch. 0.00 M to Ch. 538 and Ch. 630.00 M to 765.00M) under SOPD-G for the year 2020-21, Jalukbari LAC

Amount

Road Works

Excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3 (Manual should be use where machines can not be deployed due to site condition)

Removal of Unsuitable Soil with Disposal upto 1000 m 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

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000m as per Technical Specification Clause 303.1. (i) Private Land

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

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/binding materials to fillup the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405. (A) By Manual Means

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 ompacting to the required density Grading 3 as per Technical Specification Clause 405.By Manual Means iii) Grading III (WBM Patching)

Inter locking concrete Block pavement (A) Interlocking pavement block i Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

Traffic Signs A Retro-reflectorised Traffic Signs I Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 v 600mm x 450mm rectangular

Construction of 600 mm dia HP Culvert (single row) 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 material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I Ordinary soil Upto 3 m depth

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

Providing stone brick soling in earthen shoulder with stone/best quality jhama brick, sand packed and laid to true line and level and in panel after preparing the subgrade including earthwork in excavation as directed including all labour and materials and if necessary dewatering, complete. (b) Bricks on edge soling,

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. 600 mm dia

Brick masonry work in cement mortar in substructure complete excepting pointing and plastering, as per drawing and technical specification Clauses 602, 603, 604, 1202 & 1204 i In 1:3 cement mortar

Backfilling in Foundation Trenches as per drawing and technical specification Clause 1108

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

Repairing of Existing Brick Drain Brick masonry work in cement mortar in substructure complete excepting pointing and plastering, as per drawing and technical specification Clauses 602, 603, 604, 1202 & 1204 i In 1:3 cement mortar

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

Nitul Chandra Das