Widening and Strengthening road with DBM, BC from Dangtal Tilapara to Ravapara (From Ch.0.00 M to 3350.00 M) (Length-3.35 Km) in Chirang District, BTC under CMs Goodwill Project in BTC area for the year 2023-24. TN-26-105 R-1

Amount

(A) Road Work: SETTING OUT, CLEARING & GRUBBING AND SCARIFYING Clearing and grubbing road land (Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201 . (I) By Manual Means (a) In area of non thorny jungle.

Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means. Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3.0m and lead upto 1000 m as per Technical Specification Clause 301.4.

B. EARTH WORK Excavation in Ordinary Soil Excavation in Cutting in Soil by manual means with lead upto 50 m Excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3 (Manual method should be adopted where machines can not be deployed due to site condition)

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 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

C. BASES AND SUB-BASES COURSES ((NON-BITUMINOUS) (A) 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (A) By Mix in Place Method (B) For Grading II Material

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing rolling with vibratory roller 80-10 tonnes 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.( with an initial lead of 5.0 km as per Technical Specification Clause 405. (A) By Manual Means II) Grading II b) Using Screening Type - A (13.2mm Agg.)

Water Bound Macadam (Providing, 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 2 as per Technical Specification Clause 405. (A) By Manual Means II) Grading III b) Using Screening Type - A (13.2mm Agg.)

D. BASES AND SURFACE COURSES (BITUMINOUS COURSES) Prime Coat: Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90- 1.2 kg/sqm using mechanical means as per Technical Specification Clause 502. (ii) Medium porosity

Tack Coat: Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surfaces cleaned with Hydraulic broom as per Technical Specification Clause 503

Dense Graded Bituminous Macadam (Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix and filler transporting the hot miox to work site,laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no. 507. complete in all respect. (including carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) II) With rock dust as filler (refer table 500.9 of MoSRT&H specification) A) With 60/70 or VG-30 grade bitumen ii) for Grading II (19 mm nominal size)

Bituminous Concrete: Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.509. complete in all respect. (including carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) (II) With rock dust as filler (refer table 500-9 of MoSRT&H specification) (A) With 60/70 or VG-30 grade bitumen ii) for Grading II (13 mm nominal size)

E. SIGN BOARD, GUIDE POST, TRAFFIC SIGN, KM STONES & TRAFFIC SAFETY WORK. Direction and Place Identification signs with size more than 0.9 sqm size board (Providing and erecting direction and place identification retro-\reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.9 sqm supported on mild steel angle iron posts 75 mm x 75 mm x 6 mm, firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Guard Post: Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. (a) 30 cm dia. RCC guard post with reinforcement of 6nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Retro-reflectorised Traffic Signs (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, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 ii) 60cm equilateral triangle

iii) 60cm circular

iv) 80cm x 60cm rectangular

v) 60cm x 60cm square

Kilometre Stone (Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703). (ii) Ordinary Kilometer Stone (Precast)

(iv) 200 m stone (precast)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface: Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications

Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873 (Part 4) 1973.

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

P.C.C. M 15 ordinary grade (1:2.5:5) levelling course below approach slab complete as per drawing and technical specifications Clauses 800 and 1211. (A) With crushed stone (i) Nominal mix (1:2.5:5)

Reinforced Cement Concrete M 25 grade approach slab including reinforcement and formwork complete as per drawing and technical specifications Clauses 800 and 1211 (A) With crushed stone

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

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

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302.

RAJU CHANDRA BASUMATARY