GENERAL Construction of Thottungal foot bridge across Neelithodu River at ch 261/000 in NH 66 Foot bridge General Civil Work

Bridge Proper

OD170346/2025-2026:Forming earthen island of size 8 x 7x 2.5(av) m by driving down coconut wood of 200mm to 300mm dia for a depth of 1.50m in rich bed at 60 cm. c/c and withstanding supports at alternate intervals drives down for a depth of 1 m below ground level and lying with coir yarn etc. and using double layer bamboo thaches alround for filling with contractor's own earth conveyed from sources of availability with all lead sand lifts and maintaining the island till the completion of work and dismantling the same after use as per the direction of the departmantal officers etc complete.

12.1.B.1: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 - Depth upto 3m - Mechanical Means

OD187995/2025-2026:Dowel bars-Supplying and providing HYSD/TMT dowel bars of size 25mm dia of 3m long (1.5m in rock and 1.5m in concrete) including drilling holes of 30mm dia and filling the gap with cement grout .

OD170345/2025-2026:Providing and laying of PCC M15 leveling course 150 mm thick below the pile cap

12.38.D.2:Cement Concrete for Reinforced Concrete in Pile Cap complete as per Drawing and Technical Specification R C C Grade M35 - Using Batching plant, Transit Mixer and Concrete pump

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

13.5.H.p.2:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications RCC Grade M35 - With Batching Plant, Transit Mixer and Concrete Pump - Height upto 5m

13.6:Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications

13.14: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.

14.1D.2.2.A:"Furnishing and Placing RCC/PSC Grade M35 Using Batching Plant, Transit Mixer, and Concrete Pump as per drawing and Technical Specification. For T-beam & slab - Height upto 5m"

14.2:Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications

OD170343/2025-2026:Providing drainage spout with 110mm dia.PVC Pipes 100cm long working pressure 4kg/sq.cm including cost of materials, conveyance, labour charges etc. complete.

8.8:Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces

55.23:Supplying and laying interlocking tile 80mm or nearest size thickness, minimum strength M30 including providing a layer of 6mm aggregate for 5cm thickness, then laying interlock cobbles in lines and levels as per the directions of the departmental officers at site inclusive of all cost & conveyance charges etc. complete.

Approach road

13.9.A:Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Granular material

12.1.B.1: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 - Depth upto 3m - Mechanical Means

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

12.8.A.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. PCC Grade M15

12.8.E.2.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. RCC Grade M25 - With Batching Plant, Transit Mixer and Concrete Pump

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

13.5.F.P.2:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications RCC Grade M25 - With Batching Plant, Transit Mixer and Concrete Pump - Height upto 5m

13.6:Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications

OD170350/2025-2026:PVC WEEP HOLES - Providing weep holes using 75mm dia. PVC pipes working pressure 4kg/sq.cm including cost of materials, conveyance, labour charges etc. complete.

3.16:Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2.

4.1.B.1:Construction of granular sub-base by providing graded material, spreading in uniform layers with a motor grader on a prepared surface, mixing by mix in-place method with rotavator at OMC, and compacting with a vibratory roller to achieve the desired density, complete as per clause 401. Grading-V - For sub-base cum drainage layer - Mix in Place Method

55.23:Supplying and laying interlocking tile 80mm or nearest size thickness, minimum strength M30 including providing a layer of 6mm aggregate for 5cm thickness, then laying interlock cobbles in lines and levels as per the directions of the departmental officers at site inclusive of all cost & conveyance charges etc. complete.

12.7.B:Random Rubble Masonry (coursed/uncoursed ) Work in Cement Mortar 1:3 in Foundation complete as per Drawing and Technical Specifications.

12.8.1.C.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 - Using Concrete Mixer

Road safety and Signages

8.5:Providing and fixing of direction and place identification retro-reflectorised sign with 7 years warranty manufactured as per IRC :67 made of Type IV micro prismatic grade sheeting fixed over aluminium sheeting, 2 mm thick/ aluminium composit material sheeting 4 mm thick with area not exceeding 0.9 sqm, with suitable back supporting frame of MS angle 40x40x6 and supported on GI pipe pole 50mm NB confirming to IS 1239 firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete min size 45 cm x 45 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc.

55.10.1:Providing and erecting retro-reflectorised Object Hazard Marker 300mm x 900mm Providing and erecting retro-reflectorised Object Hazard Marker sign with 07 years warranty, manufactured as per IRC 67 USING Type IV ASTM D 4956-09 micro prismatic retro reflective sheeting fixed over aluminium sheetig, 2 mm thick / aluminium composit material sheeting 4 mm thick with suitable back support frame and supported on a mild steel angle iron post 75mmx75mmx6mm, firmly fixed 30cm above ground level by means of properly designed foundation with M 15 grade cement concrete 30cmx30x45cm, 45cm below ground level including painting all non-reflective faces with epoxy paint 2 coats over epoxy primer as per approved drawing and clause 801.300 mm x 900 mm

55.14:Providing and fixing retro-reflectorised ceramic tilesProviding and fixing retro-reflectorised ceramic tiles of size 10cmX20cm using High Intensity Micro Prismatic (Type IV) grade sheeting with 7 years warranty fixed over Ist quality ceramic glazed tiles including cost of glue, cutting charges, fixing with suitable adhisive on concrete or other surface etc complete.

Inaguration stone

OD170348/2025-2026:Providing and fixing 18mm thick gang saw cut , mirror, polished, premoulded and prepolished, machine cut for inauguration granite stone of required size, approved shade, color and texture laid over 12mm thick base cement mortar 1:3 (1 cement :3coarse sand ), joints treated with white cement, mixed with matching pigment , epoxy touch ups, including rubbing, curing, moulding and polishing to edges to give high gloss finish etc. complete at all levels. area of slab upto 0.50sqm

OD170349/2025-2026:Engraving letters in hard stone (16.21 DAR)