SOPD_G_21_22_39 Improvement of Hajo Nalbari Road(Bagals Chowk to Bijulighat (Length 8.25KM) under SOPD(G) for the year 2021-22

Amount

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 80-100kN 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 WBM Grading 3 Using stone screening Type - A 13.2 mm for Gr 3

Prime Coat Medium porosity 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.

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 surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

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, level 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.) I With hydrated lime/cement 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)

Direction and Place Identification signs upto 0.9 sqm size board A. Retro-reflectorised Traffic Signs (1) 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 not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

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 (I) 90 cm equilateral tringle

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

Metal Beam Crash Barrier, Type - A: "W" Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2m center to center, 1.8 m high, 1.1m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fitting to conform to IS:1367 and IS:1364, metal beam rail to be fixedon the vertical post with a spacer of channel section 150mm x 75mm x 5mm, 330mm long complete as per clause 810.)

Speed Brekear :- WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III 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

Built-Up Spray Grout Providing, laying and rolling of built-up spray grout layer over prepared base consisting of a two layer composite construction of crushed coarse aggregates using motor grader for aggregates. Key stone chips spreader may be used with application of bituminous binder after each layer, and with key aggregates placed on top of the second layer to serve as a base, conforming to the line, grades and cross-section specified, the compacted layer thickness being 75 mm as per Technical Specification Clause 505. (A) By Manual Means ii. Bitumen (S-90)

Tack Coat ii) 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 surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to 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 three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508. Case - I By Manual Means i) Bitumen (S-90)

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 A) By Manual Means Case - I : Type A i) Bitumen (S-90)

Painting lines dashes , arrows etc. on roads in two coats on new work with ready mixed road marking paint conforming to IS : 164n bituminous/concrete surface, including cleaning the surface of all dirt, dust and other foreign matter demarkation at the site and traffic control as per drawing and echnical specification clause 1702

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

providing and fixing of rectro- reflectorised cautionery mandatory and informatory sign as per IRC 67 made of encapsulated lens type reflecting sheeting vide clause 1701.2.3 fixed over aluminium sheeting 1.5 mm thick supproted on mild steel iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly designed foundation with M-15 gade cement concrete 450mm x 450mm x 6mm, 600mm below the ground level as per drawing and Technical specification clause 801. (ii) 60cm equilateral triange

providing and fixing of rectro- reflectorised cautionery mandatory and informatory sign as per IRC 67 made of encapsulated lens type reflecting sheeting vide clause 1701.2.3 fixed over aluminium sheeting 1.5 mm thick supproted on mild steel iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly designed foundation with M-15 gade cement concrete 450mm x 450mm x 6mm, 600mm below the ground level as per drawing and Technical specification clause 801. (iii) 60cm circular

providing and fixing of rectro- reflectorised cautionery mandatory and informatory sign as per IRC 67 made of encapsulated lens type reflecting sheeting vide clause 1701.2.3 fixed over aluminium sheeting 1.5 mm thick supproted on mild steel iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly designed foundation with M-15 gade cement concrete 450mm x 450mm x 6mm, 600mm below the ground level as per drawing and Technical specification clause 801. (iv) 80cm x 60cm rectangular

Guard Posts 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.

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

Providing and laying filter material underneath pitching in slopes complete as per drawing and Technical Specifications clause 1302

Providing and laying pitching on slopes laid over prepared media as per drawing and Technical Specification clause 1302. I Stone / Boulder

BIKEN BORO

Allied Engineering Construction Corporation