NHIDCL/RO-Agt/SR/V -S/78.200-84.650/2025-26/778

Construction of Subgrade and Earthen Shoulders 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 as per MoRT&H Technical Specification clauses of section 300.

Granular Sub-base with Well Graded Material By Mix in Place Method 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 vibratory roller to achieve the desired density, complete as per MoRT&H Technical Specification Clause 401 For Grading II Material

80 mm thick c.c. paver block of M-35 grade with approved colour, design and pattern: Providing and laying factory made chamfered edge Cement Concrete paver blocks of required strength, thickness & size/ shape, made by table vibratory method to attain superior smooth finish using PU or equivalent moulds, laid in required grey colour & pattern over 50 mm thick compacted bed of sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand in footpath, parks, lawns, drive ways or light traffic parking etc. all complete as per specifications & approval/ direction of the Engineer -in-Charge:

P.C.C grade M 20 Providing concrete for plain/reinforced concrete in open foundations complete including formwork as per drawings & MoRD technical specifications Clauses 802, 803, 900, 1202 and 1203. (including centering, shuttering, staging etc. but excluding reinforcement). III P.C.C grade M 20 (i) Nominal mix (1:2:4)

Excavation for Lined Drain & Hume Pipes: Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. i. Ordinary Soil by Manual means upto 3m depth

PCC 1:3:6 for Lined Drain & Hume Pipes: Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days as per drawings & MoRT&H technical specifications Clauses 2100. (including centering, shuttering, staging etc. but excluding reinforcement)

PCC Grade M-20 for Lined Drain & Hume Pipes: Plain / Reinforced cement concrete in open foundation as per drawings & MoRT&H technical specifications Clauses 2100 1500, 1700, 2100. (including centering, shuttering, staging etc. but excluding reinforcement) B) PCC Grade M 20

Brick masonry: Brick masonry work in cement mortar in foundation completed excluding pointing & plastering as per drawing & MoRT&H technical specifications Clauses 1300. IV) Brick masonry in 1:6 cement mortar

Pointing with cement mortar on brickwork in substructure as per drawing & MoRT&H technical specification Clauses 1300, 2200. II) In 1:4 cement mortar

Hume Pipe: Providing and Laying reinforced cement concrete pipe NP3 with collar 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 as per MoRD Technical specification Clause 1106. D) 600 mm dia