NH 744 Improvements of Drainage Facilities at Water Logged areas of E l a m p a l l o o r j n 1 2 / 2 0 0 a n d Nedumpaikkulam 16/400 of NH-744 General Civil Work

Improvements of Drainage facilities.

2.5.2.A:Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately Bituminous course - By Mechanical Means

2.4.2.A: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 1000 metres Cement Concrete Grade M-15 & M-20 - By Mechanical Means

OD124550/2024-2025: Dismantling of G I pipes Including stacking of servicable materials and disposal of unservicable materials as directed by the dptl. officers at site, the pipes having dia. up to 40mm.

2.9:Dismantling kerb stone channel by manual means and disposal of dismantled material with all lifts and up to a lead of 1000 metre

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.

12.8.1.C:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 - Using Concrete Mixer - (Without formwork)

13.5.E.P.1:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications RCC Grade M20 - Using concrete Mixer - Height upto 5m

13.5.A:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications PCC Grade M15 - Height upto 5m <br>

12.8.B:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications PCC Grade M20 (Without formwork)

13.5.F.P.1:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications RCC Grade M25 - Using concrete Mixer - Height upto 5m

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

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

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

4.12:Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

3.17:Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2.

55.22:Supplying and laying interlocking tile 100 mm or nearest size thickness, minimum strength M 40 including providing a layer of 6 mm aggregate for 5 cm 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.

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.

OD115682/2024-2025: Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

8.46:Positioning of a smart flagman with a yellow vest and a yellow cap and a red flag 600 x 600 mm securely fastened to a staff 1 m in length for guiding the traffic

OD123355/2024-2025:Engaging mazdoor for lowering side berms ,clearing side berms, clearing side drains, removing silt,ectc. as directed by the engineer in charge etc. completed.

8.2.B:Construction of cement concrete kerb with channel with top and bottom width 115 and 165 mm respectively, 250 mm high in M 20 Grade PCC Using Concrete Batching and Mixing Plant on M10 grade foundation 150 mm thick, kerb channel 300 mm wide, 50 mm thick in PCCM20 grade, sloped towards the kerb, kerb stone with channel laid with kerb laying machine, foundation concrete laid manually, all complete as per clause 409

8.20:Providing, Fixing and erecting 50 mm dia GI pipe railing in 3 rows duly painted on Tubular Steel Railing on Medium Weight Steel Channel ( ISMC series) 100 mm x 50 mm, 1.2 metres high above ground, 2 m centre to centre, complete as per approved drawings including painting over suitable primer .

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

8.9:Providing and applying two coats of ready mixed paint of approved brand on steel surface after through cleaning of surface to give an even shade

OD292114/2025-2026:Engaging Hydraulic Excavator of 0.9 cum bucket for various works as directed by the officer in charge

OD293000/2025-2026:Arranging tipper /truck for removal of debris , excavated waste etc away from site(driver and fuel charges included)