State Plan_2023_24_ SWS_131_ Optimization of Production and transmission Augmentation of Water Supply Scheme CARWSS to Thekkumkara and adjoining villages _Part 02_Renovation of WTP Vazhani_General Civil Work

Amount

1-APPENDIX- A -Repair work of Aerator

13.7.1:12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

11.36:Providing and fixing I st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer -in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

OD50685/2024-2025:Providing & fixing stainless steel pan type structure for aerator outer tray to prevent splashingof water outside the structure with M.S. Flat 15x3 mm and nuts & bolts complete.Stainless steel (grade 304) wire gauze of 0.5 mm dia wire and 1.4 mm aperture on both sides

2- APPENDIX-B - Repair works of Flash mixer, Alum lime tank Agitator assembly ,top cover to gear boxes cupboard work etc

OD50665/2024-2025:Supply erection and commissioning of flash mixer with 2 HP motor with SS shaft and paddles with fasteners,flexible coupling and guard etc complete as directed by Engineer in charge. 1)Supply and erection 2HP induction motor for driving agitator for flash mixing unit . 2)Supply and erection SS paddles with SS shaft for flash mixing unit. 3)Supply and erection of gearbox with suitable speed ratio for flash mixing unit

OD50666/2024-2025:For alum & Lime tank :- Dismantling the existing motor agitator assembly and fixing the new one gear boxes bearing, vertical shaft ,bearing and leaves , to the Alum and Lime tank. Supply and erection of alum and lime agitator assembly with suitable motors, starters, cabling and gearbox as directed by departmental officers

OD50667/2024-2025:Providing roof covering to motor, stater ,Gear boxes for clarifier (2 Nos) and flash mixture(2 Nos) etc by using MS sheet of gauge 16,angle, nut and bolt including cost of materials and labour charges and painting as suitable size and shape for various places located directed by the departmental officers etc.

OD50668/2024-2025:Providing and fixing Aluminium cupboard Channel section1 1/4 X 1 1/4 Door section Gulf Channel ACP sheet Auto closed hinges SS Bearing type runner Handle SS Color your choice

3 -APPENDIX-C - Repair work of Clarifiers

15.18:Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates,boltd, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead.

OD50669/2024-2025:Dissembling ,repairing,erection and commissioning of floculator in the moving bridge assembling as directed by in charge with varnishing the existing motor servicing the gear box replacing damaged bearings ,floculator paddle leaves and providing new paddle with sheet in suitable size of floculator and shaft repairing etc all works included for the smooth functioning of clariflocculator as per the directions of engineer in charge . 1) Supply, erection and fixing new Centre shaft bearing for clariflocculator bridge after decommissioning the existing bearing . 2) Supply, erection and fixing new slippering assembly for clariflocculator bridge after decommissioning the existing slippering assembly 3) Supply and erection flocculator agitator for slow mixing (200:1) -2 nos 4) Supply and erecting gun metal bush bearing under flocculator agitator paddles -2 set 5) Supply and erection 1HP induction motor (flocculator agitator driving including cabling and suitable starter) -1 set 6) Supply and erection Clarifier bridge driving gearbox with all necessary components -1 set 7) Supply and erection 2HP induction motor (for driving clarifier bridge including cabling and suitable starter)mbling ,repairing,erection and commissioning of floculator in the moving bridge assembling as directed by in charge with varnishing the existing motor servicing the gear box replacing damaged bearings ,floculator paddle leaves and providing new paddle with sheet in suitable size of floculator and shaft repairing etc all works included for the smooth functioning of clariflocculator as per the directions of engineer in charge . 1) Supply, erection and fixing new Centre shaft bearing for clariflocculator bridge after decommissioning the existing bearing . 2) Supply, erection and fixing new slippering assembly for clariflocculator bridge after decommissioning the existing slippering assembly 3) Supply and erection flocculator agitator for slow mixing (200:1) -2 nos 4) Supply and erecting gun metal bush bearing under flocculator agitator paddles -2 set 5) Supply and erection 1HP induction motor (flocculator agitator driving including cabling and suitable starter) -1 set 6) Supply and erection Clarifier bridge driving gearbox with all necessary components -1 set 7) Supply and erection 2HP induction motor (for driving clarifier bridge including cabling and suitable starter) and conducting trial run successfully as per the direction of Engineer-in -charge.

14.1.1:Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)

13.7.1:12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

OD50670/2024-2025:Supply, fabrication and fixing 40 mm MS square rod for driving scrapper bridge of Clariflocculator

10.2:Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

10.28:Providing and fixing stainless steel (Grade 304) railing made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc., of required size on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in-charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.)

OD50671/2024-2025:Supply fabricating and erection of SS bypassing shutters

OD50672/2024-2025:Supply fabricating and and providing SS 305 screen at opening of clarifier water channel

14.47.1:Painting on G.S. Sheet with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:Old work( one or more coats)

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

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

11.36:Providing and fixing I st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer -in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

5.5:Reinforced cement concrete work in arches, archribs, domes, vaults, shells, folded plate and roofs having slope more than 15 up to floor five level excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 ( 1 cement :1.5 coarse sand(Zone III) : 3 graded stone aggregate 20 mm nominal size)

OD50673/2024-2025:Engaging welder for repairing

4- APPENDIX-D :- Alum Lime tank Repair work in fiter house and overall Painting works

4.1.2:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:1/2:3 (cement : 11/2 coarse sand : 3 graded stone aggregate 20 mm nominal size)

13.9.2:Cement plaster 1:3 ( 1 cement : 3 coarse sand) finished with a floating coat of neat cement.20 mm cement plaster

13.7.1:12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

50.9.2.3:Providing and fixing paneled or paneled and glazed shutters for doors, windows and clerestory windows, 35 mm thick shutters including ISI marked M.S pressed butt hinges bright finished of required size with necessary screws, excluding paneling which will be paid for separately, all complete as per direction of Engineer in -charge. using Vengai wood

50.14.1.1:Removing and refixing door shutters after necessary repairs for easy opening and closing etc complete as per the direction of site Engineer-in-charge.

10.30.1:Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows all complete with :4.0 mm thick glass panes

OD50686/2024-2025:Water level indicator made up of water proof material, size and design specified by the engineer at site, for clear water reservoir and OHSR

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.

5.2.2:Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

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.

5.18.2:Providing precast cement concrete jali 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 6 mm nominal size) reinforced with 1.6 mm dia mild steel wire including centering and shuttering, roughening cleaning, fixing and finishing in cement mortar 1:3 (1 cement : 3 fine sand ) etc. complete excluding plastering of the jambs, sills and soffits.40 mm thick

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

13.82.2:Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound) content less than 50 grams/ litre, of approved brand and manufacture including applying additional coats wherever required, to achieve even shade and colour.Two coats

13.21:Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

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

10.6.3:Supplying and fixing rolling shutters of approved make, made of required size M.S. laths, interlocked together through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete, including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters.80x0.90 mm M.S. laths with 0.90 mm thick to cover

10.7:Providing and fixing ball bearing for rolling shutters.

10.9:Extra for providing grilled rolling shutters manufactured out of 8 mm dia M.S. bar instead of laths as per design approved by Engineer -in-Charges, (area of grill to be measured).

17.8:Providing and fixing white vitreous china pedestal for wash basin completely recessed at the back for the reception of pipes and fittings.

17.15:Providing and fixing white vitreous china pedestal type (European type / wash down type) water closet pan.

10.16.3:Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.Electric resistance or induction butt welded tubes

12.1.3:Providing corrugate G.S. sheet roofing including vertical/ curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete ( up to any pitch in horizontal / vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.0.63 mm thick with zinc coating not less than 275 gm/m2

15.56:Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

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