Side protection works to various thodu under Thykkattussery

OD21115/2025-2026:Earthwork in excavation for removal of accumulated or deposited silt in or under water, by mechanical means using sophisticated equipment's like amphibians excavator or any equivalent mechanical equipment with necessary accessories like transport barges, mechanized boats etc as appropriate and as directed for desilting canals/thodu, to the desired depth to ensure free flow in the canal/thodu including getting out and disposal of excavated earth with lead up to 50m as directed by Engineer in charge .The rate shall include disposal of excavated earth/clay, depositing and levelling of all materials on the banks or other suitable locations by means of loaders/tippers/mechanized boats etc. as appropriate as directed. The rate shall include all the charges for labour ,equipments,conveyance of materials ,incidentals, complete as per the direction of the Engineer in charge for fulfilling the final objective of removing all obstructions and to ensure free flow of water in the canal/thodu.

60.7.3:DISMANTLING DR - Dismanling , clearing away and carefully stacking materials useful for reuse for any thickness of walls in DR masonry including disposal of debris within a distance of 150m.

2.6.1:Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge.All kinds of soil

60.7.8:DR with Departmental. Stone - DRY RUBBLE MASONRY _ Dry rubble without concrete levelling course using departmental rubble including packing to compactness to lines and levels, labour charges etc. complete as per direction of Departmental officers at site

60.7.2:DR PACKING Under foundation - Dry stone packing under foundation with good quality blasted rubble including conveyance of material and labour charges etc. complete as per direction of departmental officers at site.

60.7.1:DRY RUBBLE MASONRY _ Dry rubble without concrete levelling course masonry with good quality blasted rubble including packing to compactness to lines and levels cost and conveyance of all materials labour charges etc. complete as per direction of Departmental officers at site

7.1.1:Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

4.3.1:Centering and shuttering including strutting, propping etc. and removal of form work for:Foundations, footings, bases for columns

4.1.5:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)