Road from Era Dorge o Kali Gaon - Construction of RCC Box cell Culvert under SDMF for the year 2023-24 in North Lakhimpur District

Amount

Excavation for structures (Earthwork in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. I Ordinary soil, A Manual means,(I) Without dewatering, (i) upto 3 m depth

Filling in Foundation Trenches as per drawing and technical specification

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser, A PCC Grade M-15

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser, A PCC Grade M-20

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser, C RCC Grade M-20

Supplying, fitting and placing TMT bar Reinforced in open foundation complete as per drawing and technical specifications Clause 1000 and 1202

Plain/Reinforced cement concrete, in substructure complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser, A PCC Grade M-15

Supplying, fitting and placing TMT bar Reinforced in substructure complete as per drawing and technical specifications Clause 1002, 1005, 1010 & 1202.

Plain/Reinforced cement concrete, in substructure complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticizer, E RCC grade M-20, (a)Height upto 5 m, Case-I

Providing and laying cement concrete wearing coat M-30 grade including reinforcement complete as per drawing band technical specification clause 800 and 1206.3, B. Natural gravel.

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

Construction of RCC railing of M30 grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, center to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical posts for expansion, complete as per approved drawing and technical specifications.

Back filling behind abutment, wind wall and return wall complete as per drawing and technical specification, II- Sandy material.

Providing weep holes in brick/stone masionry abutment and return wall complete.

Drainage spouts complete as per drawing and technical specification clause 120.

Providing and laying curtain wall complete as per drawing and technical specification clause 1304, (B) Cement concrete grade M-15.

Flexible apron: Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall.

Providing and laying filling material underneath pitching in slopes complete as per drawing and technical specification clause 1302.

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specification clause 1302.

Providing and laying boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 % extra for laps and joints laid with stone boulder not less than 25 kg as per drawing and technical specification clause 1301.

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 (including compensation of earth) (including cost of testing of material at site and laboratory as directed by the Deptt.) a. From private land

Granular sub base with graded material (table 400.1) (A) By mix in place method of Construction in granular sub-base by providing well graded material 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 drawing and technical specification clause 401 (ii) For grading II material.

Water Bound Macadam sub-base Providig, 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 fill up the interstices of coarse aggregate, watering and compacting to the required density grading three as per technical specification clause 405. (A) By manual means (iii) WBM grading -III

Providing and laying Interlocking concrete block pavement (M-40) having thickness 80 mm as per technical specification clause 1504 complete including carriage . (b) Including edge block/ Edge restraints.

Prasanta Gogoi