PyIP_Rectification of aqueduct in Kattampally Branch Canal near CH 5_300 km at Cheleri Vayal

Amount

Rectification works to Pillars & bracing

26.28.2 : Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge50mm average thickness

26.31.1 : Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.SBR Polymer (@10% of cement weight) modified cementitious bond coat @2.2kg cement per sqm of surface area mixed with specified proportion of approvedpolymer

26.33.1 : Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness.<br> Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super-Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument)50mm thick in Grade M 25 with cement content not less than 330 kg per cum

26.29.2 : Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.Bars above 12 mm diameter

26.29.1 : Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.Bars upto 12 mm diameter

26.30.1 : Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.Upto and including 12mm dia.

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

od17122/2021_2022/P1 : Applying corrosion inhibitor one coat of nitozinc / approved equivalent make primer (two component system based on metallic zinc and epoxy resin and shall be mixed until a homogenous mixture is obtained) on the cleaned and dried reinforcing bar using a small paint brush such that the zinc rich primer coated should make an unbroken continuous film on the bars. ( If in doubt of having achieved an unbroken coating, a second application should be made as soon as the first coat is fully dry). After drying the treated surface, apply one coat of bonding agent Nitobond A R/SBR. Measurement is made for whole exposed area including cost of materials, labour charges, conveyance of materials to site, hire charges of tools etc complete.

26.32.1 : Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).12 mm average thickness.

26.39 : Providing and inserting 12mm dia galvanised steel injection nipple in honeycomb area and along crack line including drilling of holes of required diametre(20mm to 30mm) up to depth from 30mm to 80mm at required spacing andmaking the hole & crack dust free by blowing compressed air, sealing thedistance between injection nipple with adhesive chemical of approved makeand allow it to cure complete as per direction of Engineer-In-Charge.

26.35.2 : Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in-Charge.<br> (The payment shall be made on the basis of actual weight of approved grout injected.)Stirrer mixed SBR Polymer (of approved make) modified Cement slurry madewith Shrinkage Compensating Cement in concrete/RCC work.

24.2 : Providing and fixing double scaffolding system (Cup lock type ) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40 mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube chakkus, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and / or pointing and / or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-Charge. Note: - ( 1) The evaluational area of the scaffolding shall be measured for payment purpose, (2) The payment will be made once only for execution of all items of such works.

Felling trees

2.33.2 : Felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material.Beyound 60 cm girth up to and including 120 cm girth

2.33.1 : Felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material.Beyound 30 cm girth up to and including 60 cm girth

2.33.3 : Felling trees of the girth (measured at a height of 1 m above ground level) including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material.Beyond 120 cm girth up to and including 240 cm girth

Rectification works to Aqueduct

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 disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil

24.2 : Providing and fixing double scaffolding system (Cup lock type ) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40 mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube chakkus, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and / or pointing and / or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-Charge. Note: - ( 1) The evaluational area of the scaffolding shall be measured for payment purpose, (2) The payment will be made once only for execution of all items of such works.

26.28.2 : Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge50mm average thickness

26.31.1 : Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.SBR Polymer (@10% of cement weight) modified cementitious bond coat @2.2kg cement per sqm of surface area mixed with specified proportion of approvedpolymer

26.29.1 : Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.Bars upto 12 mm diameter

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

26.30.1 : Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.Upto and including 12mm dia.

od14467/2021_2022/P1 : Applying corrosion inhibitor one coat of nitozinc / approved equivalent make primer (two component system based on metallic zinc and epoxy resin and shall be mixed until a homogenous mixture is obtained) on the cleaned and dried reinforcing bar using a small paint brush such that the zinc rich primer coated should make an unbroken continuous film on the bars. ( If in doubt of having achieved an unbroken coating, a second application should be made as soon as the first coat is fully dry). After drying the treated surface, apply one coat of bonding agent Nitobond A R/SBR. Measurement is made for whole exposed area including cost of materials, labour charges, conveyance of materials to site, hire charges of tools etc complete.

od14468/2021_2022/P1 : Applying two component (liquid polymer part and powder part) high build polymer modified cementitious reinstatement repair mortar, Rendroc HB2 / approved equivalent make preferable with a gloved hand or trowel using wet on wet technique to make sure that high strength polymer mix covers the reinforcing bar on all sides . Before applying Rendroc HB2 / approved equivalent make, the reinforcing steel should be primed and SBR should be tacky. For one bag of 18kg Rendroc HB2 / approved equivalent make, place about 2.75litres of drinking quality water in the mixer and add the supplied liquid polymer part, mix well in the mixer machine in operation, add Rendroc HB2 / approved equivalent make powder and mix for 2 to 3 minutes. Depending on the ambient temperature and the desired consistency, a small additional amount of water may be added up to a maximum total water content of 3.25 litres.Measurement is made for whole exposed area Including cost of materials, labour charges, conveyance of materials to site, hire charges of tools and mixer machine etc complete.

26.33.1 : Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness.<br> Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super-Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument)50mm thick in Grade M 25 with cement content not less than 330 kg per cum

26.32.1 : Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).12 mm average thickness.

13.1.1 : 12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

od17088/2021_2022/P1 : Grinding and cleaning the concrete surfaces to lines and levels where expansion joint to be provided, filling the joint with Polyurethane backer rod of required size intact and then applying Ist layer of epoxy adhesive ReArm Bond 4031 and sticking MYK Flexi Joint tape TPE of suitable width over it. Once the bottom layer (Ist layer) adhesive sets, over coat the tape with one more layer of adhesive so that tape shall be completely locked inside the epoxy adhesive layers (size of tape shall be such that each side of concrete there shall be a minimum offset of 50mm) and providing protection cover to the expansion joint with Aluminum sheet of thickness not less than 0.04mm and having a width of 30cm throughout the length of joint by fixing the same in concrete surface with screw and screw fixtures etc. complete as per the directions of the departmental officers at site.

Water testing

od4892/2021_2022/P1 : Laterate masonry with neatly dressed laterate stone of size 30x20x20cm or nearest size in cement mortar 1:6 for super structure above plinth level up to floor two level including all cost of materials, labour charges etc.

13.1.2 : 12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand).

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

od4893/2021_2022/P1 : Demolishing laterite masonry manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in- Charges:In cement mortar

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Bidder Name

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MUNEER K M