Recovery And Reconstruction of Bridge No 3/1 on Baganpara Pakhamara Road Under NDRF (PDNA-2022) For The Year 2025-26. TN-386-3.

Clearing and grubbing of road land including up rooting rank vegetation grass,bush, shurbs saplings and tress of girth upto 300mm removal of stumps of tress cut earlier and disposal of unseviceable materials & stacking of serviceable material to be used or auctioned, upto a lead of 1000m including removal & disposal of top organic soil not exceeding 150mm in thickness. (i) By manual Means (a) In area of non thorny jungle

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

Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet required of table 300.2 with lead upto 1000m as per technical specification clause. (a) Private Land

(A) By Mix in place Method- construction of granular sub base by providing well graded material, spreading in uniform layers with motor grader on prepare 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 Material (Gr-II)

Providing laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness and 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 Using stone screening Type-B 11.2 mm for Gr.III

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage.

Traffic Signs Providing and fixing of retro-refletorised cautionery, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 1701.2.3 fixing over aluminium sheeting, 1.5mm thick 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 M15 grade cement concrete 450mm x 450mm x 600mm, 600mm below ground level as per drawing and technical specification clause 801 (ii) 60cm equilateral triangle

Providing and fixing `Logo` of PMGSY Project Providing and fixing of typical PMGSY informatory Sign Board with Logo as per MORD specifications and drawing. Three MS Plates of 1.6mm 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 75mm of 12 SWG sheet tubes posts duly embeded 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 will be enameled on both sides. Lattering 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

RCC Guard Post : Supplying, fitting and fixing RCCguard 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 upto 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) 15cm dia. RCC guard post with reinforement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/MS stirrups at 15cm c/c

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000m as per Technical Specification Clause 202. (ii) By Manual Means (A) Cement Concrete Abutment

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000m as per Technical Specification Clause 202. (ii) By Manual Means (A) Reinforce Cement Concrete solid slab kerb Abut cap Dirt Wall

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. Ordinary soil A. Manual Means (I) Without dewatering (i) Upto 3m Depth

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- 1000)

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

Cement concrete for reinforced concrete in pile cap complete as per drawing and technical Without plasticiser B RCC Grade M25 (i) Using Concrete mixer

Levelling course for Pile cap:- Providing and laying of PCC M15 levelling course 100mm thick below the pile cap

Supplying, fitting and placing uncoated TMT bar reinforcement in foundation complete as per drawing and technical specifications with TATA make TMT CRS (Fe500 grade) rebar

Plain/Reinforcement concrete, in substructure complete as per drawing and technical specification and steel shuttering formwork (N) without plasticiser F. RCC Grade M25 (a) Height upto5m case I using concrete Mixer

Supplying, fitting and placing uncoated TMT bar reinforcement in substructure complete as per drawing and technical specifications with TATA make TMT rebar

Providing weep holes in brick masonry/Plain/Reinforced concrete abutment, wing wall/ return wall with 100mm 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 B. Sandy Material

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.

Providing and laying of filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MORTH specifications to a thickness of not less than 600mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surfaces behind the abutment, wing wall ang return wall to the full height compacted to firm condition 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 B RCC Grade M25 Case I Using concrete Mixer (ii) For T- beam & slab b. Height 5m to 10m

Reinforcement in super structure: Suppluing, fitting and placing TMT bar reinforcement in super structure including splicing complete as per drawing and technical specifications (b) With TATA make TMT rebar

Providing and laying cement concrete wearing coat M-30 grade icluding reinforcement complete as per drawing and technical specifications.

Construction of RCC railing of M30 Grade in-situ with 20mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 50, centre to centre spacing between vertical post not to exceed 2000mm, leaving adequate space between vertical posts for expansion, complete as per approved drawings and technical specifications.

Drainage Spouts Complete as per drawing and technical specification.

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

Providing & fixing 20mm thick compresible fibre board in expansion joint complete as per drawing and technical specification.

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 2Sq.m.) (B) For RCC Railing.

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 20cm 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 trackway made from 38mm thick 1st class local plank fixed on 75mm x 100mm first class local wood battens 120cm apart and 3lines of jati bamboo horizontal railing fixed in bhokula 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

Subsoil Investigation and design D, Drawing etc

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 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25kg each as per drawing and technical specifications clause 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 filter media as per drawing and technical specifications clause 1302 (I) Stone/Boulder