Kerala Rural Water Supply And Sanitation Agency Tender

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 : 8 graded stone aggregate 40 nominal size)

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 : 6 graded stone aggregate 20 mm nominal size)

SUPERSTRUCTURE

4.1.3 : Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

5.22.1 : Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelMild steel and Medium Tensile steel bars

od291919/2023_2024 : Supply and fixing chicken mesh 24 gauge <br>

od291920/2023_2024 : Supply and fixing weld mesh 50 mm x 50mm , 10 gauge.

od291921/2023_2024 : Plastering with CM:1:2.5 (1 cement:2.5 coarse sand) in 2 layers from inside & outside the reinforcement cage made of MS 6mm dia bars, weld mesh & chicken mesh along the spherical roof of RWH tank to form a uniform 24mm thick dome ensuring a minimum 3mm clear cover between reinforcement and outer surface of the wall, including cost of all materials, conveyance, watering, curing etc complete. (second layer of plastering is to be done after 24 hrs of the first coat plastering).<br>

od291922/2023_2024 : Plastering with cement mortar 1:2.5,(1cement : 2.5 coarse sand) 12mm thick over the 6mm MS bars, weld mesh and chicken mesh placed in position, one coat finished with a floating coat of neat cement.including all charge for cost and conveyance, watering curing etc complete. for inside bottom

od291923/2023_2024 : Plastering with CM:1:2.5 (1 cement:2.5 coarse sand) in 2 layers from inside & outside the reinforcement cage made of MS 6mm dia bars, weld mesh & chicken mesh along the cicular shaped vertical shell of RWH tank to form a uniform 24mm thick dome ensuring a minimum 3mm clear cover between reinforcement and outer surface of the wall, including cost of all materials, conveyance, watering, curing etc complete. (second layer of plastering is to be done after 24 hrs of the first coat plastering).

13.18 : Neat cement punning

13.38 : Satna lime wash on walls with one coat

22.24 : Providing and applying integral crystalline (dry shake) of hydrophilic in nature for waterproofing treatment to the RCC structures like basement raft, foundation slab, sewage & water treatment plant slab, warehouses floor, parking structures and water tank base slab etc. sprinkled @0.60kg per sqm or higher as recommended by the manufacturer's specification over the lean concrete of above cited structures. The material shall meet the requirements as specified in ACI-212-3R-2010 i.e. by reducing permeability of concrete by more than 85%, compared control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline dryshake shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the Engineer-incharge. The product performance shall carry guarantee for 10 years against any leakage.

13.43.1 : Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:Water thinnable cement primer

13.60.1 : Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade:Two or more coats on new work

od291924/2023_2024 : Supplying and fixing 60cm dia ferrocement man hole cover in position with handle including all cost and labour charges etc complete.

od291925/2023_2024 : Supplying and fixing 45cm inner dia & 60cm height ferrocement filtermedia chamber and suitably fix it over the ferrocement tank and making the jointing portion water tight and filling with filter media as per the attached drawing etc complete.

od291926/2023_2024 : Supply and fixing of gutter pipe with 160 mm PVC 6kg/cm2 at the edge of the sloped roof including all clamping/ welding clamps for holding the gutter pipes in the position etc including cost of all specials, end closures, tees and labour charges etc complete.

od291927/2023_2024 : Supply and Fixing 50 mm PVC 6kg/cm2 for scour pipe and over flow pipe

od291928/2023_2024 : Supply and Fixing 75 mm PVC 6kg/cm2 down pipe from the gutter pipe already fixed in position up to the filter pit and from filter pit to well including all clamping/ welding clamps for holding the down pipes in the position etc including cost of all specials, end closures, tees and labour charges etc complete.

od291929/2023_2024 : Supplying & fixing scour valve 50mm dia (PVC )<br>

od291930/2023_2024 : Filling the recharge pit with stones, brick bats, etc available at the locality<br>

od291931/2023_2024 : Supplying & fixing 15mm PVC tap<br>

od291932/2023_2024 : Supplying & fixing first flush valve - 75 mm PVC valve including cost of tee, bend etc

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