EE/KNSBTRD /2023-24/01/SDRF/Badarpur Restoration of B.A. Road Borthal Bazar to Dewargool Road via Hemarmukh (Culvert No. 1/3) under SDRF for the year 2020-21

Amount

Earthwork in excavation of foundation of structures as per drawing and technical specification, including setting out, constuction of shoring, bracing,removal of srumps and other deleterious matter, dressing of sides and bottom and back filling with approved material.(1) Ordinary Soil. (A) Manual Means (a) Without dewatering

Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specification including steel shuttering formwork . PCC Grade M15.

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specification including steel shuttering formwork . C(I)RCC Grade M20.

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specification including steel shuttering formwork . C(I)RCC Grade M20.

Plain/Reinforced cement concrete in sub structure complete as per drawing and technical specification and steel shuttering formwork I Without plasticiser. E RCC Grade M20. Using concrete mixer

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structur complete as per drawing and technical specification (b) TMT-IS 1786 (Fe-500 D) Secondary Producer (ISI apprived)

Supplying, fitting and placing TMT IS:1786 Fe 500 bar reinforcement in fouindation complete as per drawing and technical specification (b) TMT-IS 1786 (Fe-500 D) Secondary Producer (ISI apprived)

Supplying, fitting and placing TMT IS:1786 Fe 500 bar reinforcement in sub-structure complete as per drawing and technical specification (b) TMT-IS 1786 (Fe-500 D) Secondary Producer (ISI apprived)

Providing pressure relief pipe 100mm dia in bottom slab of Box cell on a filter media base of 500mm x 500mm as per drawing and technical specification clause 1205.5.7.

Providing and laying boulders apron on river bed for protction against scour with stone boulders weighing not less than 40 kg each complete as per drawing and technical specification. A. Boulder laid dry without wire crates.

Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting p g to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) Private Land

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 with lead upto 1000 m as per Technical Specification Clause 303.1. (i) Private Land

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

Providing,laying, spreading and compecting stone aggregates of specific sizes to water bound macadum specification including spreading in uniform thickness, hand packing, rolling with smooth wheet roller 80-100 KN in stages to proper grade and camber applying and brooming , stone screening to fill up the intersitics of coarse aggregates, watering and compecting to the required density.Grading 3 as per technicaql 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 as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

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 1.5mm thick supported on GI pipe 50mm dia firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450mm x 450mm x600mm below ground level as per drawing and Technical Specification Clause 1701.

ABDUL ROUF CHOUDHURY

Taher Ahmed Siddiquey

Samar Ghosh

Mastaque Ahmed

SAMSUL HOQUE CHOUDHURY

Aysha Parvin Choudhury

Abdul Wahid