NIT NO. 14/DURG(Balod)/2026

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned up to a lead of 1000 meters including removal and disposal of top organic soil not exceeding 150 mm in thickness if required and as per relevant clauses of section-200.

In area of light jungle

Compacting Original Ground (ii) Compacting Original Groundsupporting embankment Loosening, leveling and compacting original ground to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at O.M.C. and then compacted by rolling so as to achieve minimum dry density as given in table 300-2 for embankment construction.

Excavation in Soil (by Mechanical Means.) Excavation for roadway in soil using mechanical means including loading in tipper for carrying of cut earth to embankment site and unloading with all lifts and lead upto 1000 meters as per relevant clauses of section 300.

Construction of Embankment with Material Deposited from Roadway Cutting (Construction of embankment with approved materials having C.B.R.>5 (unless specified otherwise in the contract) deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2)

Granular Sub-base as per Table:- 400-1 Construction of granular sub-base by providing graded Material, ,carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface watering, rolling and compacting with vibratory power roller at OMC to achieve the desired density, complete as per clause 401

Plant mix method (with Mechanically crushed stone only)

For Sub-base cum drainage layer or upper sub-base with

Grading-V Material

Dry Lean Cement Concrete Sub-base as per IRC:SP-49 (Construction of dry lean cement concrete Sub-base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 26.5 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing as per clause 601.)

Providing and laying cement concrete for plain concrete/ reinforced concrete i/c form work, shuttering complete in as per drawings and specifications.

Providing and laying Reinforced Cement Concrete pipe NP 3 /prestressed concrete pipe. (Laying Reinforced cement concretepipe NP3 /prestressed concrete pipe for culverts including fixingcollar with cement mortar 1:2 but excluding bedding below ipes,excavation, protection works, ackfilling, concrete and masonry works in head walls and parapets. B) 600 mm dia

Excavation for Structures (Earth work 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.) Ordinary soil Upto 3 m depth

Plain cement concrete complete as per drawing and Technical Specifications PCC Grade M 15

Providing and laying Reinforced Cement Concrete pipe NP 3 / prestressed concrete pipe. (Laying Reinforced cement concrete pipe NP3 /prestressed concrete pipe for culverts including fixing collar with cement mortar 1:2 but excluding bedding below pipes, excavation, protection works, backfilling, concrete and masonry works in head walls and parapets. D) 1000 mm dia

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification 710.1.4 of I.R.C. 78 and 2200. (i) Granular material

Construction of RCC open drain 0.60m or 0.45 M (inside dimension) and average depth from inlet to outlet 0.60 m. or 0.45 m. (maintaining slop as per site condition) with 120 mm thick RCC M-25 walls, 120 mm thick RCC M-25 bottom slab, over 100 mm thick (Av) leveling course in PCC M-15 including excavation , dressing of sides and bottom, provision of HYSD reinforcement consisting 8 mm dia horizontal bars @ 150 mm c/c and U-shaped 8 mm dia bars @ 150 mm c/c including cutting , bending and binding wire, placing in position , providing shuttering and concreting by using concrete mixer, compaction by vibration etc complete as per drawings and technical specifications.

Construction of RCC drain/chamber/cover, placing in position, providing shuttering and concreting by using concrete mixer, compaction by vibration etc complete as per drawings and technical specifications excluding reinforcement, with RCC M-20

Supplying, Fitting and Placing un-coated HYSD bar Reinforcement in drain/cover/ chamber complete as per Drawing and Technical Specifications.

Kilo Meter Stone (Reinforced cement concrete M15grade kilometer stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc)

Ordinary Kilometer stone (Precast)

Hectometer stone (Precast)

Retro reflectorized traffic singns (providing and fixing of retro reflectorized cautionary mandatroy and informatory sing as per IRC 67-2012 made of retro reflectiove type sheeting vide clause 801.3 fixed over aluminium sheeting of required thickness supported on a mild sheel back frame of ISA 40 x 40x5 mm and mild sheel angle post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly desigened foundation with m 15 grade cement concrete 45 cm x 45 cm x 60 cm; 60 cm below ground level as per approved drawing and painting all components of the signs and supported as per 7.2 of IRC 67-2012

Supports as per clause 7.2 of IRC 67- 2012 B made of class b high intensity micro Prismatic grade Sheeting of type iv (for MDR)

With Aluminium sheeting of 2 mm thickness

900 mm equilataral triangle

800 mm x 600 mm rectangular

With Aluminium sheeting of 1.50 mm thickness

600mm x 600 mm square

Providing and Fixing Linear Delineator System as per MOST clause 806 of specification for Roads and Bridges, of size 33‟'x 4” made with corrugate Aluminum (Confirming to IS:736 -Material Designation, 24345; or 1900) and reflective sheeting of Micro prismatic Lens sheeting as stipulated in MOST circular (RW/NH- 33023/31/88-DO.iii) confirming to ASTM D4956-01 Type IX and fixing the same with bracket made of galvanized steel fixed with 6 Nos. high precision Screws confirming to IS:1364.

Providing & Fixing tree studs in Square/ Round shape of 4” side/diameter made of 2 mm aluminum substrate (Confirming to IS:736 -Material Designation, 24345 or 1900) end reflective surface of High Intensity grade as specified in section 801.3 of MORT&H duly treated with HLVA and fixing the same with four Nos. high strength nails confirming to 1S:1367 on trees at site each.

Road Markers/Road Stud with Lens Reflector (Providing and fixing of road stud 100x 100 mm, die cast in aluminum, resistant to corrosive effect of salt and grit, fitted with lens reflectors, installed in concrete or asphaltic surface by drilling hole 30 mm upto a depth of 60 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BIS:873, part-IV:1973)

Providing and fixing guard stones 200 x 200 x 900 mm made of precast RCC M-20 grade fixed at 300 mm into the ground in P.C.C. 1:3:6 blocks of size 400 x 400 x 400 mm and given two coats of paint with white and black bands including excavation.

Providing and laying Pitching Stone/Boulder on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications as per clause 2504.

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification including trimming of slopes to proper profile and preparation of bed and as per clause 2504.roviding and laying Pitching Stone/Boulder on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications as per clause 2504