GENERAL-BKVT- Natural calamity-Urgent Reconstruction of retaining wall between KM 1 6 / 6 5 5 t o 1 6 / 6 7 5 L H S o n B a l u s s e r y Kurumpoyil Vayalada Thalayad Road-General Civil Work

Retaining wall

2.4.4.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 Dismantling Stone Masonry - Rubble stone masonry in lime mortar

3.13.1.B: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, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work. Ordinary soil - Mechanical Means - (Depth upto 3 m)

3.13.4.A: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, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work Hard Rock ( blasting prohibited ) - Mechanical Means

OD73898/2025-2026:Providing and fixing dowel bar with 16mm HYSD bars 2.00m length,1.00m below ground and 1.00 m above ground level on rock surface by drilling with air compressor 250cfk with 2 jack hammers,fixing the dowel bar in the bore hole with cement slurry etc complete.

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.

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

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

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

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

OD73899/2025-2026:Providing 110 mm PVC pipe for weep hole in CC retaining wall

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

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)