NRL_DEPOSIT_25_26_03 Construction of RCC Foot Bridge at Jugibari Lake including Approaches in Khumtai LAC for the year 2025-26 under Golaghat and Khumtai Territorial Road Division (Khumtai LAC,NRL Deposit Work)

Br. ProperExcavation 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 ,a) 'Without dewatering ii) 3 m to 6m depth

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

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 1000 m. (Pile diameter-1000 mm)(N)without plasticiser

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). Initial and Routine load test.

Providing PCC M-15 as per drawing & Technical Specification

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification.D. RCC Grade M25 Case:I Using concrete Mixer

Supplying, fitting and placing TMT bar reinforcement in foundation complete as per drawing and technical specifications c) With other make ISI marked TMT rebar

PCC/RCC in substructure M-25 as per drawing and Technical Specification clause 1500, 1700 & 2200.

Reinforcement in Substructure: Supplying, fitting and placing un-coated TMT bar reinforcement in substructure complete as per drawing and technical specifications c) With other make ISI marked TMT rebar

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC:83 (Part-II) Section IX complete, including all accessories as per drawings and technical specification Clause 1207.1

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.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification

Furnishing and Placing Reinforced/Prestressed cement concrete in super- structure as per drawing and Technical Specification' including steel shuttering formwork.(N)Without Plasticiser D.. RCC Grade M35 Case I:Using Concrete Mixer (ii)For T-beam &slab (a) Height upto 5m

Reinforcement in Super Structure: Supplying, fitting and placing TMT bar reinforcement in super-structure complete as per drawing and technical specifications ,c) With other make ISI marked TMT rebar

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

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.

Drainage Spouts complete as per drawing and Technical specification

Compression seal joint (Providing and laying a compression seal joint, conisisting of steelarmoured nosing at two edges of the joint gap suitably anchored to the deck concrete and apreformed chloroprene elastomer or closed cell foam joint sealer compressed and fixed into the joint gap with special adhesive binder to cater foa a horizontal movement upto 40mm and vertical movement of 3mm

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. 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.

Painting Two Coats on New Concrete Surfaces’ Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces

Sub Soil Investigation (L/S)

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. By Manual Means (A) In area of non thorny jungle

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 p g to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5, Private Land

Granular sub-base with well graded material (Table400.1) By mixing place method Construction of granular sub base providing well graded materials, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with small wheel roller to achieve the desired density, complete as per technical specification Cl. 401. iii) 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 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 3 as per Technical Specification Clause 405.a) Grading III by manual means.

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per echnical specification clause 1504 including carriage. a) including Edge block/Edge restraints

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

Providing and fixing of rectro reflectorised cautionary, mandatory and informatory sign board as per IRC: 67 made of 1.5mmThick M.S sheet duly stove enameled Paint white colour in front and grey colour in back with reflective border of 65mm width and required message, letters, figures with reflective tape of engineering grade as per MORD specification of required shade and colour. Supported and welded on two nos. 47mm x 47mm of 12 SWG square tube of 3050mm height duly strengthened by 25mm x 5mm MS flat iron on edges on back firmly fixed to the ground by means of property design foundation with M – 15 grade cement concrete 450mm x 450mm x 600mm below ground level as per provided drawing and technical specification clause 1701.2.2. iv) 80cm.X 60cm. Rectangular

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