NIT NO. 371/Durg(Bemetara)/2025

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 upto 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 A) In area of light jungle

Granular Sub-base as per Table :- 400-1 Construction of granular sub-base by providing close 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 A) Plant mix method (with Mechanically crushed stone only) a) For Lower Sub-base with i) Grading-III Material

A) Plant mix method (with Mechanically crushed stone only) b) For Sub-base cum drainage layer or upper sub-base with i) Grading-V Material

Wet Mix Macadam (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.)

Prime coat (Providing and applying primer coat with oil based bitumen emulsion (SS-1, grade confirming to IS:8887) on prepared surface of granular Base including clearing of road surface and spraying primer using mechanical means as per clause 502. (i) on WBM/WMM surface @0.85 Kg/sqm.

Tack coat Providing and applying tack coat with bitumen emulsion (RS-1, grade confirming to IS:8887) using emulsion pressure distributor on the prepared b ituminous/granular surface cleaned with mechanical broom and as per clause 503. ii) Granular surfaces treated with primes @ 0.30 kg /Sqm

Bituminous Macadam (Providing and laying bituminous macadam as per clause 504 with mixed prepared in minimum 40-60 TPH capacity hot mix plant using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction) B) With mechanical paver finisher ii) for Grading-II(19 mm nominal maximum size, bitumen content 3.40%)

Close Graded Premix Surfacing/Mixed Seal Surfacing (Mechanical means using minimum 40-60 TPH capacity of HMP. Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness using bitumen to the required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a Smooth wheeled roller 8-10 tonne capacity, and finishing to required level and grade, complete as per clause 508) II) With mechanical paver finisher A) With bitumen Type B ( 13.2 mm to 0.09 mm size aggregates )

Retro- reflectrorized Traffic signs (Providing and fixing of retro- reflectrorized cautionary, mandatory and informatory sign as per IRC:67-2012 made of encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminum sheeting, 1.5 mm thick supported on a mild steel frame of size 40 x 40 x 5 mm and mild steel angle iron post 75 mm x75 mm x 6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45cm x 60cm, 60 cm below ground level as per approved drawing) C) Made of Class-A High Intensity Super Engineering Grade Sheeting of Type II (For ODR & village roads) a) With aluminium Sheeting of 2mm thickness i) 900 mm equilateral triangle

Direction and Place Identification signs with size more than 0.9 sqm size board. (Providing and erecting direction and place identification retro- reflectorized sign as per IRC:67-2012 made of encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminum sheeting, 2 mm thick with area exceeding 0.9 sqm supported on a mild steel angle iron post 75mm x 75mm x 6mm, 2 Nos. firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing) C) Made of Class-A High Intensity Micro Prismatic Grade Sheeting of Type I (For ODR & village roads)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorizing Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorizing glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35-1997. The finished surface to be level, uniform and free from streaks and holes.)

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) ii) Ordinary Kilometer stone (precast)

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 painting figuring and numbering to culverts upto 6 m span complete as per IRC specifications.

Providing & Fixing Hazard Marker Type-2 Partial RetroReflective Size 0.30 x 0.90M made of 16 gauge (1.6 mm) thick mildsteel sheet Confirming to IS:2062 Painted with one cast of ZincChromate Stoving Primer and two coats of Black Stove Enamel(Oven Baked) paint with 10 cm bands of yellow Retro- ReflectiveSheeting of Engineering Grade pasted a per IRC:79 including oneMS angle Iron post of size 50x50x5 mm of 1.65 meter long duly painted with synthetic enameled paint block including bolts and fixing the same in M-15 concrete blackof size 30x30x30cm, including transportation etc. Complete.

Construction of RCC Drain/Cover/Chamber i) Excavation for drain (Earth work in excavation for drain/chamber 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.)

Providing and laying cement concrete for plain concrete/ reinforced concrete i/c form work, shuttering complete in as per drawings and specifications.( For Village roads) ii) P.C.C. M-10

ii) P.C.C. M-15

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.

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.)

Providing 1st class bedding below pipes with graded sand orbother granular materials passing through 5.6 mm sieve as perb clause 2904.

Plain cement concrete complete in as per drawings and technical specifications P.C.C. 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 . ) B) 600 mm dia

1000 mm dia

Prioviding and laying Un-reinforced Cement Concrete Without Dowel Bars inluding formwork and expansion, contraction & longitudinal joints as per design and as per IRC -62 - 2014, over a prepared base a per approved mix design and finfshing to lines and grade as per Drawing for Pavement thickness less than 200mm in Low Volume Roads. PCC Grade M30 with minimum cement content @375 kg/Cum

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.)

Dismantling of existing structures like culverts, bridges, retaining walls and other structures comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead upto 1000 m and as per relevent clauses of section-200 in ix) Removing all type of hume pipes and stacking within a lead upto 1000 meters including earthwork and dismantling of masonry works around pipes A) Up to 1000 mm dia