GENERAL-Flood Damage - 2022-Flood Damage 2022 - Reconstruction of damaged retaining wall at KM 19 400 LHS 19.450 LHS in Nemmara- Nelliyampathy road in Nemmara LAC General Civil Work

Amount

Reconstruction of damaged retaining wall at KM 19/400 (LHS)

12.1.A.1:Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. Ordinary Soil - Depth upto 3 m - Manual Means

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)

12.1.2.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 and backfilling with approved material. Ordinary Rock (not requiring blasting ) - Depth up to 3 m - Manual Means

OD210124/2022-2023:Providing 20mm dia dowel bars with TMT rods 2.00m long and 0.80 m into the rock and 1.20 m (0.8m +0.4m) into the concrete @1.00m c/c wherever found necessary as per the technical drawing including cost of materials, labour charge conveyance 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.

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

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

OD210125/2022-2023:Back filling behind retaining wall, abutment, wing wall and return wall complete as per drawing and Technical Specification with department earth obtained from earth work excavation and excess earth removed from road berm

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)

OD210126/2022-2023:Providing weep holes in Plain/ Reinforced concrete abutment,wing wall/return wall with 75mm dia PVC pipe(4kgf/cm2), extending through full width of structure with slope of 1V:20H, complete as per drawing and technical specification

4.2.A.2: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-IV - For lower sub-base - Mix in Place Method

Reconstruction of damaged retaining wall at Km. 19/450 (LHS)

12.1.A.1:Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. Ordinary Soil - Depth upto 3 m - Manual Means

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)

12.1.2.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 and backfilling with approved material. Ordinary Rock (not requiring blasting ) - Depth up to 3 m - Manual Means

OD210128/2022-2023:Providing 20mm dia dowel bars with TMT rods 2.00m long and 0.80 m into the rock and 1.20 m (0.8m +0.4m) into the concrete @1.00m c/c wherever found necessary as per the technical drawing including cost of materials, labour charge conveyance 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.

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

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

OD210133/2022-2023:Back filling behind retaining wall, abutment, wing wall and return wall complete as per drawing and Technical Specification with department earth obtained from earth work excavation and excess earth removed from road berm

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)

OD210134/2022-2023:Providing weep holes in Plain/ Reinforced concrete abutment,wing wall/return wall with 75mm dia PVC pipe(4kgf/cm2), extending through full width of structure with slope of 1V:20H, complete as per drawing and technical specification

4.2.A.2: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-IV - For lower sub-base - Mix in Place Method

C Jayanarayanan

JITHESH.M

MUHSIN C

Bidder Name

JITHESH.M

BHARATHAN P

C Jayanarayanan

MUHSIN C