Construction of RCC Bridge No.1by1 on Barogarh to Singimari Santhal Basti Road under CMs Goodwill Project under Kokrajhar Rural Roads Division for the year 2023-24. TN_26_41

Amount

Road Works: 2.2 Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, 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

3.4 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

EARTH WORK IN SUB-GRADE AND SHOULDERS 3.14 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 compacting to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1 (i) Private Land

3.5 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. (ii) For Grading II Material

2.23 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 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

3.2 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 to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading-3 as per Technical Specification Clause 405. (A) By Manual Means

5.1 III 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 1.2-1.5 kg/sqm using mechanical means as per Technical Specification Clause 502.

5.2 III 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 granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

17.2,I,A,ii Semi - Dense Bituminous Concrete: Providing and laying semi dense bituminous concrete 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 @ 4.5 to 5% 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.508. 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.) i) With hydrated lime/cement as filler (refer table 500-9 of MosRT&H specification) (ii) for Grading II (10 mm nominal size)

4.7(3) A 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.

10.2A(1) 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. (iii) 60 cm circular

10.16 Providing and fixing of typical PMGSY informatory sign board with Logo as per MORD specifications and drawing. Three MS Plates of 1.6 mm thick, top and middle plate duly welded with MS flat iron 25mm x 5m size on back on edges. The lower plate will be welded with MS angle iron frame of 25mm x 25mm x 5mm. The angle iron frame of the lower most plate and flat iron frame of middle plate will be welded to 2 nos. 75mm x 75 mm of 12 SWG sheet tubes posts duly embedded in cement concrete M-15 grade blocks of 450mm x 450mm x 600mm, 600mm below ground level. The top most diamond plate will be welded to middle plate by 47mm x 47mm of 12 SWG steel plate tube. All M.S. will be stove enameled on both sides. Lettering and printing arrows, border etc. will be painted with ready mixed synthetic enamel paint of superior quality in required shade and colour. All sections of framed posts and steel tube will be painted with primer and two coats of epoxy paint as per drawing Clause 1701 and Annexure 1700.1

BRIDGE PROPER INCLUDING PROTECTION WORKS 17.4 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. I) Ordinary soil A) Manual Means (I) Without dewatering (i) upto 3 m depth

17.4 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. I) Ordinary soil A) Manual Means (I) Without dewatering (i) upto 3 m depth

17.11 Providing and constructing temporary island 16 m diameter for construction of well foundation for 8m dia. Well complete as per clause 1203.2 of MoRT&H Specifictions. B Depth of water 4.0 m and height of island 4.25 m.

17.11(c)Providing and constructing one span service road to reach island location from one pier location to another pier location

17.12 Providing and laying cutting edge of mild steel weighing 40 kg per metre for well foundation complete as per Clause 1299 & 1900 of MoRt&H Specification.

17.13(ii) Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. (p) with plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser( Masterplast ACPL or equivalent) conforming to IS-9103-1999. A) Well Curb RCC M-25 Grade Case-1 using concrete mixer

17.13(v) Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. (p) with plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser( Masterplast ACPL or equivalent) conforming to IS-9103-1999. B) Well Staining v) RCC M-25 Grade Case-1 using concrete mixer

17.13(ii) Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. (p) with plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser( Masterplast ACPL or equivalent) conforming to IS-9103-1999. C) Bottom Plugging v) PCC M-30 Grade Case-1 using concrete mixer

17.13(iii) Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. (p) with plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser( Masterplast ACPL or equivalent) conforming to IS-9103-1999. E) Top Plugging v) Grade M-25 PCC Case-1 using concrete mixer

17.13(ii) Plain/Reinforced cement concrete, in well foundation complete as per drawing and technical specification including steel shuttering formwork. (p) with plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser( Masterplast ACPL or equivalent) conforming to IS-9103-1999. E) Top Plugging v) Grade M-25 PCC Case-1 using concrete mixer

17.15(i) Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. B) Clayey soil (7m dia. Well) (i) Depth below bed level upto 3.0 m

17.15(ii) Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. B) Clayey soil (7m dia. Well) (ii) Beyond 3 m upto 10 m depth

17.15(iii) Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. B) Clayey soil (7m dia. Well) (ii) Beyond 10 m upto 20 m depth (a) For sinking

17.14(i) Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewedfrom bed level. B) Clayey soil (6m dia. Well) (i) Depth below bed level upto 3.0 m

17.14(ii) Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewedfrom bed level. B) Clayey soil (6m dia. Well) (ii) Beyond 3 m upto 10 m depth

17.14(iii) Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewedfrom bed level. B) Clayey soil (6m dia. Well) (ii) Beyond 10 m upto 20 m depth (a) For sinking

17.23Sand filling in wells complete as per drawing and technical specifications as per MoRT&H

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

19.46(b) Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork (P) With plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast ACPL or equivalent) conforming to IS-9103-1999. G) Rcc Grade M-30 b) Height 5m to 10m Case-I Using Concrete Mixer

17.47 Supplying, fitting and placing conforming to IS:1786 TMT reinforcement bar (Fe 500) from primary producer like TATA/ SAIL/ SHYAM STEEL/ ESSER STEEL/ RINL etc. in sub-structure complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/SHYAM STEEL/ ESSER STEEL/ RINL etc.

17.55 Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

17.50 Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification A Granular material

17.49 Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

17.58(ii)b Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. (N) Without Plasticiser (ii) For T-Beam & Slab (a) Height upto 5.0 m RCC Grade 25

17.59(a) Reinforcement in Super Structure: Supplying, fitting and placing TMT conforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications. (a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

17.61 Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications (A) With crushed stone

17.64 Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

17.77 Strip Seal Expansion Joint (Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation).

17.67 Drainage Spouts complete as per drawing and Technical specification

16.70 Construction of cold weather Bamboo bridge overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm center to center and placed over 20 cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizantal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts, coir ropes, struts, nails etc. complete with a layer of brushwood to exposed portion out-side trackway with earth topping complete as per direction of the department.

14.2 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

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

14.5(i) Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 (i) Stone/Boulder

16.28 RCC 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. (b) 15 cm dia. RCC guard post with reinforcement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c

Arjun Saha