Kerala Water Authority 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)

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

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

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

5.9.5:Centering and shuttering including strutting, etc. and removal of form for:Lintels, beams, plinth beams, girders bressumers and cantilevers

5.9.6:Centering and shuttering including strutting, etc. and removal of form for:Columns, Pillars, Piers, Abutments, Posts and Struts

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

5.34.1:Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable/ recoverable separately.Providing M-30 grade concrete instead of M-25 grade BMC/RMC. (Note:- Cement content considered in M-30 is @ 340 kg/cum).

7.2.1:Random rubble masonry with hard stone in superstructure above plinth level and upto floor five level, including leveling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) at window sills, ceiling level and the like.Cement mortar 1:6 (1 cement : 6 coarse sand)

6.3.1:Brick work with common burnt clay machine moulded perforated bricks of classdesignation 12.5 conforming to IS: 2222 in superstructure above plinth level up tofloor five level in cement mortar 1:6 (1 cement : 6 coarse sand):With F.P.S. ( non modular ) bricks

5.23:Smooth finishing of the exposed surface of RCC work with 6mm thick cement mortar 1:3 ( cement : 3 fine sand).

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

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

13.33.1:Pointing on stone work with cement mortar 1:3 ( 1 cement : 3 fine sand):Flush/ Ruled pointing

13.37.1:White washing with lime to give an even shade:New work (three or more coats)

13.61.1:Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work

13.71:Lettering with black Japan pint of approved brand and manufacture

10.1:Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

OD260794/2022-2023:Supply and fixing Steel window size 150 cm x 1.35 cm & Window glazed panes

OD260795/2022-2023:Supply and fixing Steel door frame 1.2 m x 2.1 m size and door shutter

18.12.7:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work65 mm dia nominal bore

Pressure Filter

OD216642/2024-2025:Supply, erection and commissioning of 1 L P S capacity F R P vessal pressure filter as per technical demand and site condition using mild steel epoxy coated filter vessel with 406mm dia and HOS 1651 mm with man hole and cover for easy inspection at top and an opening provision for media removing arrangement at bottom side with dummy arrangement capable of discharging water at 1L P S with a capacity to with stand the operating head which is necessary to deliver water to OH Tank at 27.0 m height, with best quality suitable size 65mm Multiport Valve for easy back washing ,rinsing and filtering. The unit should withstand a internal pressure if 10 kg/cm2 . The container should have a manhole with cover at top for easy inspection of the unit, provision for door / dummy at the bottom for media removal. The scope of work includes all related civil work like solid staging pass arrangement suitable weather protection arrangements with MS fabrication and traffod sheets as per specification etc using suitable pipe materials. All the metallic parts should be painted with approved quality anti-corrosive paint. The unit should be so installed at suitable point that the operation and maintenance is easy. Details of filter media are - The supporting media include Pebbles of 1.5 inch - 1 inch, Pebbles 0.75 inch -0.5 inch Pebbles 3/8 inch - 1/4 inch, Silex Coarse 1/2 mm - 1/4 mm, Silex Medium - 1/4 mm - 1/8 mm The filter media includes Silex Fine 8/16 mm and Quartz Sand 16/32 mm. The filter media should have good performance life for a minimum period of 3 yrs. The system should be compatible as per the site condition and other units including motor pump sets.The whole installed system will be under guarantee for 3 years from the date of commissioning. The technical details including drawing and specifications of the filter unit and accessories, O&M manual with guide lines for trouble shooting shall also be submitted in two set and trial run should be conducted as per the direction of Deptl officers.

PVC Water Tank

OD201144/2024-2025:Providing polyethylene water storage tank :ISI 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

OD201172/2024-2025:crain used for placing on terrace for tank and other materials etc complete

10.1:Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

OD206994/2024-2025:Cutting chases in brick masonry walls for following structural steel and making good the same with cement concrete 1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 12.5 mm nominal size) including necessary plaster and pointing in cement mortar 1:4 ( 1cement :4 coarse sand ):

13.61.1:Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work

Supply and fixing 2 HP TEFC centrifugal motor Pump sets head 50m to 100m

OD259206/2022-2023:Supply, errection, commissioning of TEFC centrifugal motor Pump sets having discharge of 1 LPS against a total head of 74 meters with all accessories, like suitable panel board, electronic soft starters, isolator switch, etc. including supplying and fixing Suitable size CI D/F Sluice valve, Non Return Valve and cabling from to isolator switch as per required specification and length for RW pumping with two years replacement warranty

OD224897/2024-2025:Supplying 50mm GI pipe (class-3) Heavy

OD224993/2024-2025: Supplying 50mm GI specials (Heavy)

Laying Pumping Main

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

100.1.5:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50 m, in Ordinary Rock.

100.2.2:Excavation work by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10m2 on plan), including dressing of sides and ramming of bottoms, lift up to 1.5m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50m, in Medium Rock where Blasting is Prohibited.

15.43.2:Dismantling manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in-Charge:Bituminous road

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 (zone-III) : 4 graded stone aggregate 20 mm nominal size)

100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals.

100.98.133:Supply of HDPE Pipe PE 100 (IS 4984/1995), 8kg, 75mm Outer Dia.

OD216710/2024-2025:Laying HDPE pipes (IS : 4984) on land portion including conveying within initial lead and aligning the pipes, electro-fusion welding using automatic or semi-automatic electrofusion machines, testing the pipeline thus fabricated to suit the hydraulic working pressure and after testing, aligning the pipeline, lowering the pipe in position into the trenches already made, testing the line to suitable pressure with potable water before back filling and levelling the trenches including all labour charge, hire for appliances etc., complete but excluding cost of pipe and fittings: 75mm Nominal Outer Diameter pipes.

OD216717/2024-2025:provding and fixing 75mm HDPE pipe fixing on drainage wall including all charges of Drilling, 75mm steel clamp, screw and other accessories and labour charges

100.6.1:Providing steel sheet shoring to the sides of the trenches to depths of above 4.00 m but not exceeding 6.00m using 6 mm M.S. sheet 0.50 M wide stiffen on edges with 50 mm x 50mm x 6 mm M.S. angles driving down vertically on either side one after another in lines and levels with suitable pile driving equipments and accessories to a maximum depth of 0.50 M below the bottom of the proposed excavation 0.5 M above ground level suitably braced by horizontal walling pieces at 75 x 150 mm x 8 mm angles on either side at intervals not exceeding 1.50M and horizontal screw jack type struts at 1.50M intervals and maintaining the shoring till the pipes are laid and works are completed, dismantling, cleaning and restacking for reuse including all labour, hire charges and conveyance for equipments, tools and plants and sundries etc. complete.

Interconnection works

OD259205/2022-2023:Tank connection works including distribution lines, pumping lines, overflow pipes and Wash out. The work includes all pipe fittings, valves, pipes, adapters, solvents etc complete

Road restoration

3.6:Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m

3.19.2:Loosening, leveling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Table 300-2 for embankment construction.

4.1.B.1: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-V - For sub-base cum drainage layer - Mix in Place Method

4.12:Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

5.1.a:Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means.

5.2.a:Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Supply and Fixing Silabhalakam

OD219545/2024-2025:Providing and fixing machine cut, mirror/ eggshell polished, Granite work for wall lining (veneer work) including dado, skirting, risers of steps, etc., in required design and pattern wherever require, stones of different finished surface texture, on 12 mm (average) thick cement mortar 1:3 (1 cement : 3 coarse sand) laid and jointed with white cement slurry @ 3.3 kg/sqm including pointing with white cement slurry admixed with pigment of matching shade, including rubbing, curing, polishing etc. all complete as per Architectural drawings, and as directed by the Engineer-in-charge. a. 18mm thick Italian Marble stone slab, Perlato, Rosso verona, Fire Red or Dark Emperadore, etc.

OD219548/2024-2025:Letter carving for the "Granite Silaaphalakam" including all Charges of Labours and Conveyance (Upto 10cm letter Height)