RIDF-XXVII/ Dibrugarh/04 Cosntruction of RCC Bridge No.5/1 on Dhariatali to NH-37 via Kathgaon road under RIDF-XXVII of NABARD for the year 2021-22 in PWRD, Dibrugarh, Lahowal, Moran and Tingkhong Territorial Road Division, Lahowal LAC

Amount

Bridge Work: Excavation for structures : Earth work in excavation for foundation of structures as per drawings and technical specification clause 305.1, including setting out, construction of shoring and bracing, removal of stumps and other deeleterious matter and disposal up to 50m, dressing of sides and bottom and back filling in trenches with excavated suitable material. I. Ordinary soil, (I) upto 3.0m depth

Providing and constructing temporary island for construction of pile foundation with depth of water upto 4.0m complete as per technical specification.

Providing and constructing one span service road to reach island location from one pier location to another pier location

Supplying , fitting and placing TMT bar reinforcement in foundation complete as per drawing and Technical Specifications clause 1000 & 1202.

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000m.(Pile diameter-1000mm)

Providing and laying of PCC M15 levelling course 100mm thick below the pile cap as per drawing and technical specification of MORT&H Section 1100 & 1700

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification of MORT&H Section 1100 & 1500. B. RCC Grade M25 (I) Using Concrete Mixer

Plain/Reinforced Cement concrete, in Substructure complete as per Drawing and Technical Specifications Clauses 802, 804, 805, 806, 807, 1202 and 1204. IV. RCC Grade M25, I) Height up to 5.0m

Supplying , fitting and placing TMT bar reinforcement (Fe 415) in substructure complete as per drawing and Technical Specifications clause 1002, 1005, 1010 & 1202.

Furnishing and placing reinforced / Prestressed cement concrete in superstructure as per drawing and Technical Specifications at clause 800,1205.4 and 1205.5 including steel shuttering framwork. (N) without plasticiser B. RCC Grade M25 ( Using Concrete Mixer) Using conc. Mixer. (a). Height upto 5.0 m (ii) (II) For T-Beam and Slab.

Supplying, fitting and placing un-coated TMT bar reinforcement in super structure complete as per drawing and technical specifications clauses 1002, 1010 & 1202.

Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical specifications clauses 800 and 1206.3. (A) With crushed stone.

Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, 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.

Burried Joint (Providing and laying a burried expansion joint, expansion gap being 20 mm, covered with 12 mm thick, 200 mm wide galvanised wieldable structural steel plate as per IS: 2062, placed symmetrical to centre line of the joint, resting freely over the top surfaces of the deck concrete, welding of 8mm dia, 100mm long galvanized nails spaced 300mm C/C along the center line of the plate , all as specified in clause 2604.)

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC:83(pt.II) section IX complete including all accessories as per drawing and Technical Specification clause 1207.1.

Drainage spouts complete as per approved drawings and technical specification clause 1209.

Painting on concrete surface (Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 Sq.m. ) ( A ) For plain surface

Painting on concrete surface (Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 Sq.m. ) (B) For RCC Railing

RCC approach slab with M25 grade approach slab including reinforcent and form work complete as per drawing and technical specifications clauses 800 & 1211. A. with crushed stone.

PCC M15 ordinary grade (1:2.5:5) in levelling course below approach slab complete as per drawing and technical specifications clause 800 &1211. A with crushed stone.

Sub-Soil Investigation (SSI) and submission of design, drawings and accordance of approval.

Bridge Approach: Clearing and Grubbing Road Land .(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 materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness. (I) By Manual Means, A. In area of light jungle

Construction of embankment with approved material obtained from borrow pits with a lift up to 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of tables 300.1 and 300.2 with a lead up to 1000m as per technical specification clause 301.5 (i) from Private Land

Construction of Sub grade and earthen shoulders with approved material obtained from borrow pits with all lift and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of tables 300.2 with a lead up to 1000m as per technical specification clause 303.1 (i) from Private Land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2) (Construction of granular sub-base by providing coarse 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 vibratory roller to achieve the desired density,complete as per cl. 401. With all lift and lead upto site of work. ii) 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 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( With all lift and lead upto site of work. ) (A) By Manual Means. ii) With Gr. II metal © Using Screening Type-B (11.2mm 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 vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( With all lift and lead upto site of work. ) (A) By Manual Means. ii) With Gr. II metal © Using Screening Type-B (11.2mm Agg.)

Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt.) '(ii) With bitumen emulsion-CSS-1 ( IS-8887-2004 )

Tack Coat : Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.) '(II)With Bitumen emulsion CSS-1 (IS:8887-2004) , '(c) Granular surfaces treated with primer

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen to required line, grade and level to serve as wearingcoarse on a previously prepared base, including mixing in a suitable plant laying and rolling with a smooth wheeled roller 8-10 T capacity to yhe reqd. level and grade. (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.) (A) ' Without anti stripping agent (I)Mechanical method using Penetration grade Bitumen ( 60/70 or VG-30 grade) and HMP of appropriate capacity not less than 75 tonnes / hour .

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 and B seal coats) ( Including cost of testing of materials at site and laboratory as directed by the deptt.) '(a) Without anti stripping agent (ii) Case - II : Type B (Providing and laying of premix seal coat with HMP of appropriate capacity not less than 75 tonnes/ hours using crushed stone chipping 6.7 mm size and penetration bitumen of 60/70 or VG-30 grade.)

Road Appurtenances: Direction and place identification sign upto 0.9sqm size board. Providing and erecting direction and place identification retro-Reflectrorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3 fixed over aluminium sheeting, 2mm thick with area not exceeding 0.9sqm fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand)

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand). (ii)60 cm equilateral triangle

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand). iii) 60 cm circular

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand). iv) 80cmm x 60 cm rectangular

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.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification (B). Sandy materials

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification (A) Granular Materials

Protection work : Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications clause 1302. I. Stone/Boulder

Providing and laying filter material underneath pitching in slopes as per drawing and technical specification clause 1302.

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.)

Sub-way & Cold Weathered Bridge: 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.

Construction of embankment with approved material obtained from borrow pits with a lift up to 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of tables 300.1 and 300.2 with a lead up to 1000m as per technical specification clause 301.5 (i) from Private Land

Collection and supply of stone gravel (Stone spall) free from dust, dirt, vegetation and other deletarious materials.

Labour for spreading metal gravel / granular material on the road surface as directed including dressing and cambering the formation and utilizing the loose earth in filling the depression as directed including carriage of gravel within 30m.

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) ii) 60 cm equilateral triangle

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) ii) 60 cm equilateral triangleiii) 60 cm circular

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) ii) 60 cm equilateral trianglev) 60cmm x 45 cm rectangular

CD Works: ( 1000 mm dia double HPC = 1No.) 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

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 mix with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Cost of Pipe including loading , unloading and carriage . A. 1000mm dia pipe ( Rate as per analysis )

Labour for laying Reinforced cement concrete pipe NP4/NP3/prestressed concrete pipe for culverts on first class bedding of granular material /cc M-15 in double row including fixing collar with cement mortar 1:2,and cost of granular bedding but excluding excavation, protection works, backfilling, concrete and masonry work in head wall and parapet,cost of pipe and cost of CC bedding. (I) With 1st class bedding of cc M-15 (A) 1000mm Dia

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser. (A) PCC Grade M15

Braja Nath Gogoi

KUSHAL KONWAR