North Bengal Development Department Tender

Providing and laying reinforced cement concrete pipe NP3 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD. (c)1000 mm dia metre

Supplying Structural Steel (MS) angles, joists, channels, flats etc. including Loading, unloading and transporting at Site. (E 250 conforms to IS:2062 & 808) (c) Above 400 mm size.

Supplying Structural Steel (MS) angles, joists, channels, flats etc. including Loading, unloading and transporting at Site. (E 250 conforms to IS:2062 & 808) (b) Above 200mm & up to 400mm size.

Supplying Structural Steel (MS) angles, joists, channels, flats etc. including Loading, unloading and transporting at Site. (E 250 conforms to IS:2062 & 808) (a) Up to 200mm size.

Supplying Steel plates (MS) including Loading, unloading and transporting at Site. (E 250 conforms to IS:2062-2006)

Labour for M.S. work in Rolled steel joists, channels, angles. Tees, plates etc. including hoisting, placing in position including providing staging and removing after completion of works and cutting to sizes as required.

M.S. Works in bolts and nuts of different sizes fitted and fixed in position including drilling holes and welding including cost of labour and materials.

Welding by gas / electric plant including transportation of welding plant at site including cutting, forging & drilling to required shape.

Priming one coat with H.B. Epoxy Zinc Phosphate primer (Birger) on steel or other metal surface, including smoothening the surface by sand paper etc.,and cost of all necessary material and labour.

Painting with best quality Poly-Urethane paint of approved make and brand (Birger) on steel or other metal surface including cost of all material and labour.

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils within a lead of 150 m. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge . a) upto 3 m depth (i) With pumping out water including shoring as required.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips(20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (b) River bazree Using concrete mixer.

Providing and laying Design Mix concrete for plain / reinforced concrete work in any part of bridge (excluding bottom plugging) with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete but excluding cost of labour and materials for formwork & reinforcement works. Using concrete mixer. RCC Grade M-25

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, crossdrain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. (b) Where staging is not required.

Supplying, fitting and placing HYSD bar reinforcement in Bridge Super-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications.

Drainage Spouts in Superstructure including providing drip mouldings and also including supplying, fitting and fixing approved type of materials complete as per drawing and Technical specification vide clause no. 2705 of MoRT&H’s Specification for Road & Bridge Works.

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 face. Complete as per drawing and Technical specifications.

Strip Seal Expansion Joint Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 80 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 instructions for installation.

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 (A) (i) Single Socketed 3 Meter Length (b) 110 mm

Painting the vertical end faces of posts, wheel guards or railing or parapet with alternate bands of different colours as directed by the Engineer-in-charge with approved synthetic enamel paint. b) Two Coats

Supplying & laying as per IRC-SP:063-2004 paver unit of any shade of approved quality as per relevant IS code, laid in pattern as directed in pavement, footpath, driveway (paver block only), etc including necessary underlay complete in all respect with all labour and material.a) 25 mm thick Tiles as per IS: 1237-2012 for footpath,ramp,staircase of public building(over 25 mm thick (Avg) Cement mortar (1:3) & Cement Slurry @ 4.4 kg/Sq.m at back side of Block. Cement for Mortar & Slurry to be supplied by Department).

Filling properly the empty sausage crates with boulders of any size & shape with hand packing after preparation of bed of placement, placing the crate in position, carriage of boulders from road stacks with a lead upto 150m etc. complete in all respect including stitching the rest of the crate with wire (passage for filling boulders) after filling up the crate with boulders and launching the crate in position if necessary and as directed by the Engineer-in charge.

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications.I. Stone/Boulder

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification.

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 for Rural Roads of MORD. (Borrow pit /pre work post work measurement) (e) Carriage up to total lead of 2.0 km

Construction of Sub Base using Local Materials, spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, lighting, guarding and barricading including cost and carriage of all materials and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

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 materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of pecifications for Road & Bridge Works of MoRT&H (5th Revision). WBM Base Course Grade-I with Type A Screening NB VARIETY

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 materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of pecifications for Road & Bridge Works of MoRT&H (5th Revision). WBM Base Course Grade-II with Type B Screening NB VARIETY

© Supllying and Laying in the specified pattern of Interlocking Concrete Block Pavements (ICBP) with concrete blocks (with concrete grade as specified as per Table 1 of IS 15658 : 2006) manufactured from BIS licensee manufacturer, with spacer nib (Small protruding profiles on the vertical face of a paver block used as a device for keeping minimum joint gap in between the paving block used as a device for keeping minimum joint gap in between the paving blocks, as per CI. No. 3.26 of IS: 15658) and of specified size and shape with aspect ratio (The ratio of length to thickness of a paver block as per Cl. No. 3.3 of IS15658) as per Table 2 of IS : 15658 on the prepared base course of specified CBR as per Table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a cushion of copacted bedding sand of 25-35 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps in between paver blocks with joint filling sand the grading of the joint filling sand will be as per clause 6.5.2 of IRC SP-63 (2018) with proper confinement of bedding and jojnt filling sand, compaction, levelling and filling up of the edge gap 80 mm thick (i) Grey

Hire and labour charge for shuttering with centreing and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thick ness with required bracing for concrete slabs, beams, columns, lintels curved or staight including fitting fixing and striking out after complection of works. (up to roof of ground floor) (f) 25 mm to 30 mm shuttering without staging in foundation.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips(20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (b) River bazree

R.C. Guard post Supplying fitting and fixing R.C. guard post 1.37m long with C.C. 1:2:4 with graded stone chips of 13.2mm down casting , curing complete including cost of providing 4nos.of 12mm dia. rod of length 1.54m as main reinforcement and 6 nos. of round shaped 8mm dia rods used as binders; the placing ofthe first binder should be at 75mm below the top finished surface and the other 5 nos of binders should be placed at 245mm c/c ; the guard post is of octagonal section with inscribed circle of dia 24cm at the base tapering to corresponding dimensions of 16cm at the top including two coats of painting with best quality synthetic enamel paint of approved make and grade to form 6 nos. horizontal alternate bands in white/tannery yellow and black to 90 cm length standing up above ground after mending good damages if any during striking off shuttering,making hole in ground of 47cm depth and 30cm. minimum dia, fixing the guard posts in the same holes and repacking the earth properly so as to keep the guard posts standing properly erect in correct position true to line and length including carriage of R. C. Guard Post with due care to the site including loading into the truck and unloading at site complete in all respect. With Pakur variety stone chips

Direction and Place Identification Signs upto 0.9 sqm Size Board. Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, 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 M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Retro-Reflectorised Traffic Signs Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, 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 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). iv) 80 mm x 60 mm rectangular

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 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fittings to conform to IS:1367 andIS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per Clause 811.3 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).