GENERAL-OBT WORK-2025-26-OBT-Phase iii-Renovation of Mullasseri canal from KSRTC Bus station near Indira Priyadarsini Childrens Park to the back waters General Civil Work

Reconstruction of canal

OD41140/2025-2026:Dismantling manually / by mechanical means and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in-Charge: Bituminous road

OD40887/2025-2026:RING BUND Type-I- Putting up ring bund as per approved shape 2.5 m bottom width, 1 m top width using empty gunny/polythene bags filled with earth placed in 2 rows at 0.6 m apart and filled in between with puddle clay to form bund for an average height 2.00 m including labour dismantling the bund after completion of the work etc. complete.

60.2.2:Bailing out water Using 5HP Pump- Bailing out water with 5HP engine and pump set including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

15.3:Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of Engineer -in-Charge.

OD46526/2025-2026:Supplying, stacking and placing earth filled empty cement bag in position under water including all cost of materials and labour charges for filling, stitching with country twine and conveying, laying, engaging divers and maintaining the same etc. as per directions of the departmental officers at site.

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

OD46876/2025-2026:Convey the spoil/dribs obtained from time to time and collect the soil at the side of the canal to Brahmapuram waste plant ( Avg distance of 20km) by lorry including levelling and neatly dressed etc as directed by the departmental officers at site - all kind of soil.

OD35043/2025-2026:Providing temporary Z steel sheet pile of size 400x185x7.5/8.5 driving down vertically in lines and levels interlocking with adjacent piles with suitable pile driving unit and all accessories including all labour, hire charges etc. complete for protection of adjacent structures and road and removing the same after work as per the directions 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.

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

4.1.8:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

5.9.2:Centering and shuttering including strutting, etc. and removal of form for:Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

5.9.3:Centering and shuttering including strutting, etc. and removal of form for:Suspended floors, roofs, landings, balconies and access platform

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size derived from natural sources)

OD51424/2025-2026:Fabrication, manufacturing, transporting and erecting of solid precast concrete top slab and bottom slab of unit length 1.50 m or suitable, in M30 grade concrete manufactured in controlled factory environment with approved methodology including moulds, (Pallet system, Tilts form, table moulds, battery moulds, vertical moulds, etc.), cost of formwork, mixing, transporting and placing of concrete, vibrating, curing, finishing, making necessary cutout/ holes of required sizes for services, yard handling & stacking all complete as per IS 11447:1985 and as per approved shop drawings and design mix as per the direction of Engineer-in-Charge (Cost of reinforcement will be paid separately) including transportation of the precast yard from yard to site and erection, etc. complete. (NOTE: Extra cement upto 10% of minimum specified cement content of 350 kg/m3 for M30 grade concrete design mix, shall be paid separately)

5.33.1.2:Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement All work upto plinth levelConcrete of M30 grade with minimum cement content of 350 kg /cum

5.35:Add for using extra cement in the items of design mix over and above the specified cement content therein

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

5.28:Providing and fixing in position 12 mm thick bitumen impregnated fibre board conforming to IS: 1838, including cost of primer, sealing compound in expansion joints.

OD35041/2025-2026:Providing and fixing PVC pipe 150mm dia from chamber to drain etc complete as per the direction of department officers at site.

10.25.2:Item Shifted to Sub head 14 as item 14.73 Item Shifted to head 14 as item 14.74 Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

OD35042/2025-2026:Supplying and fixing C.I with frame for manholes:560 mm diameter ( heavy duty) the weight of the cover to be not less than 108 kg

2.25:Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Road restoration works- Preparation of sub grade, Kerb stone & GSB

16.1:Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

16.69:Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature jointed with cement mortar 1:3 ( 1 cement : 3 coarse sand) , including making joints with or without grooves ( thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge ( length of finished kerb edging shall be measured for payment ). ( Precast C.C. kerb stone shall be approved by Engineer-in-Charge)

16.78.3:Construction of granular sub- base by Providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, Carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in- Charge.With material conforming to Grade - III ( size range 26.5 mm to 0.075 mm) having CBR Value - 20

Road restoration -Paver blocks

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.