Kerala Water Authority Tender

100.52.S.1:Sub Data for providing Earth filled cement bags including cutting of the Earth, filling, conveying and placing in position.

100.7.1:Bailing out water with 5HP engine and pump set including conveyance to the site, erecting, dismantling and taking back of engine and pump, cost of fuel lubricating oil and other stores pay of staff etc., complete.

100.52.S.2:Sub Data for Filling with contractor's own earth (excluding rock) in the core portion of the earthen bund by consolidating each deposited layer by ramming and watering, as per direction of the departmental officers.

100.52.S.3:Sub Data for Supplying, conveying and covering using best quality polythene sheet on bund to protect bund from seasonal changes.

100.52.S.4:Sub Data for Conveying and providing bamboo poles for reinforcing the temporary bund including the cost materials and labour charges etc. complete.

100.3.7.1:Earthwork in open well excavation (above water) for wells of diameter above 6.0m and up to 9.0m in all kinds of soil and conveying and depositing the spoil within initial lead of 50m and lift up to 1.5m including neat banking.

100.3.7.2:Earthwork in open well excavation (above water) for wells of diameter above 6.0m and up to 9.0m in all kinds of soil and conveying and depositing the spoil within initial lead of 50m and lift from 1.50m to 3.0m including neat banking.

100.4.8:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 4.5m (3.0m to4.5m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

100.4.9:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 6.0m (4.5m to 6.0m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152621/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 7.50m (6.00m to 7.50m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152625/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 9.00m (7.5m to 9.0m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152629/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 10.5m (9.00m to 10.5m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152622/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 12m (10.5m to 12.00m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152628/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 13.50 (12.0m to 13.500m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152627/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 15 m (13.5 to 15 m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152623/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 16.5 m (15 to 16.5 m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

OD152620/2024-2025:Granite rock blasting in wells, measured in solids, including collecting and stacking spoil for measurement within the initial lead of 50m and lift up to 18 m (16.5 to 18 m) but excluding bailing out water and including providing protection by earth filled cement bags (300 Nos. of earth filled cement bags / 10 m3 blasting) to avoid damages to the nearby structures)

100.7.2:Bailing out water with engine and pump set above 5HP up to 10HP including conveyance to the site, erecting, dismantling and taking back of engine and pump, cost of fuel lubricating oil and other stores pay of staff etc., complete.

100.10.13: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: 400mm Nominal Outside Diameter Pipes.

100.98.166:Supply of HDPE Pipe PE 100 (IS 4984/1995), 10kg, 400mm Outer Dia.

100.31.1.9:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 400mm diameter, Class I.

100.98.465:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 400mm.

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)

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

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

5.9.12:Centering and shuttering including strutting, etc. and removal of form for:Well steining

20.2.2:Boring, providing and installing bored cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring, with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. all complete, including removal of excavated earth with all lifts and leads (Length of pile for payment shall be measured upto bottom of pile cap).400 mm dia piles

20.6.1.2:Vertical load testing of piles in accordance with IS 2911( Part IV) including installation of loading platform and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of engineer -in-Charge. Single pile upto 50 tonne capacityRoutine test

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

5.9.5: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

5.33.1:Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer - in-charge. Note:- Cement content considered in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is payable or recoverable separately.All work upto plinth level

5.33.2:Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer - in-charge. Note:- Cement content considered in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is payable or recoverable separately.All work above plinth level upto floor V level

5.11.1:Extra additional height in centering, shuttering where ever required with adequate bracing, propping etc. including cost of de-shuttering and decentering at all levels, over a height of 3.5m, for every additional height of 1 metre or part thereof (Plan area to be measured).Suspended floors, roofs, landing, beams and balconies (Plan area to be measured)

4.1.4: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 )1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size)

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).

50.6.1.2:Solid block masonry using pre cast solid blocks (Factory made) of size 40x20x20cm or nearest available size confirming to IS 2185 part I of 1979 for super structure up to floor two level thickness 20cm and above in: CM 1:6 ( 1 cement: 6 coarse sand) etc complete.

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

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.)

13.48.3:Finishing with Deluxe Multi surface paint system for interiors and exteriors using primer as per manufacturers specifications:Painting Steel work with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @ 0.90 ltr/10 sqm over an under coat of primer applied @ 0.80 ltr/10 sqm of approved brand and manufacture

13.52.1:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work

10.5.1:Providing and fixing 1 mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer.Using M.S. angels 40x40x6 mm for diagonal braces

10.26.2:Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approves steel primer.E.R.W. tubes

9.48.2:Providing and fixing M.S. Grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete.Fixed to openings/ wooden frames with rawl plugs screws etc

9.97.1:Providing and fixing aluminium tower bolts, ISI marked, anodised(anodic coating not less than grade AC 10 as per : 1868), transparent or dyed to required colour or shade, with necessary screws complete:300x10 mm

21.1.1.3:Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS : 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminnium snap beading for glazing /paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge.(Glazing, paneling and dash fasteners to be paid for separately): For fixed portionPolyester powder coated aluminium ( minimum thickness of polyester powder coating 50 micron )

21.3.1:Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of Engineer - in -Charge. ( Cost of aluminium snap beading shall be paid in basic item):With float glass panes of 4.0 mm thickness

50.9.15.1:Supplying and fixing 200 mm Aluminium aldrop

10.6.1: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.80x1.25 mm M.S. laths with 1.25 mm thick top cover

10.8.1:Extra for providing mechanical device chain and crank operation for operating rolling shuttersExceeding 10.00 sqm and upto 16.80 sqm in the area

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).

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

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.

21.1.1.1:Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS : 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminnium snap beading for glazing /paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge.(Glazing, paneling and dash fasteners to be paid for separately): For fixed portionAnodised aluminium (anodised transparent or dyed to required shade according to IS : 1868, Minimum anodic coating of grade AC 15)

100.52.S.5:Sub Data for Dismantling the sand / earth filled cement bag from the foundation site of bund, apron on both sides, counter wall and removing the sand/earth from the bag and disposing the damaged cement bags properly as per the direction of the department officers including all cost of labour charges etc complete.

9.120.1:Providing and fixing factory made panel PVC door shutter consisting of frame made out of M.S. tubes of 19 gauge thickness and sized of 19 mm x 19 mm for styles and 15x15 mm for top & bottom rails. M.S. frame shall have a coat of steel primers of approved make and manufacture. M.S. frame covered with 5 mm thick heat moulded PVC 'C' channel of size 30 mm thickness, 70 mm width out of whicj 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on both side forming styles and 5mm thick, 95 mm wide PVC sheet out of which75 mm shall be tapered in 45 degree on th inner side to form top and bottom rail and 115 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. Top, bottom and lock rails shall be provided both side of the panel. 10 mm (5 mmx2) thick, 20 mm wide cross PVC sheet be provided as gap insert for top rail & bottom rail. paneling of 5 mm thick both side PVC sheet to be fitted in the M.S. frame welded /sealed to the styles & rails with 7 mm (5 mm + 2 mm ) thick x 15 mm wide PVC sheet beading on inner side, and joined together with solvent cement adhesive. An additional 5 mm thick PVC strip of 20 mm width is to be stuck on the interior side of the 'C' Channel using PVC solvent adhesive etc. complete as per direction of Engineer -in-charge, manufacture's specification & drawing.30 mm thick plain PVC door shutters

50.18.7.4.2:Providing and fixing PVC, pipes fittings including fixing the pipe with clamps at 1.00 m spacing. this includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge 32 mm dia 6 Kgf/cm2 - internal work- Exposed on wall

50.18.8.3.2:Providing and fixing PVC pipes, fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer-in-Charge. Concealed work, including cutting chases and making good the wall etc. 25 mm pipe 10kgf /cm2

9.117.1:Providing and fixing factory made uPVC door frame made of uPVC extruded sections having an overall dimension as below (tolerance ±1 mm), with wall thickness 2.0mm (±0.2 mm), corners of the door frame to be jointed with galvanized brackets and stainless steel screws, joints mitred and plastic welded. The hinge side vertical of the frames reinforced by galvanized M.S. tube of size 19 x 19 mm and 1 mm (± 0.1 mm) wall thickness and 3 nos. stainless steel hinges fixed to the frame complete as per manufacturer's specification and direction of Engineer-in-chargeExtruded section profile size 48x40 mm

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.

11.37:Providing and laying Ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make, in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand), including pointing the joints with white cement and matching pigment etc., complete.

17.2.1:Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required:W.C. pan with ISI marked white solid plastic seat and lid

17.7.1:Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:White Vitreous China Wash basin size 630x450 mm with a pair of 15 mm C.P. brass pillar taps

17.28.1.1:Providing and fixing P.V.C. waste pipe for sink or wash basin including PVC. waste fittings complete. Semi rigid pipe32 mm dia

17.35.1.1:Providing and fixing soil, waste and vent pipes: 100 mm diaSand cast iron S & S pipe as per IS : 1729

18.16.1:Providing and fixing brass stop cock of approved quality :15 mm nominal bore

18.50.1:Providing and fixing C.P brass long nose bib cock of approved quality conforming to IS standards and weighing not less than 810 gms.15 mm nominal bore

OD152630/2024-2025:Supplying and fixing ready made PVC septic tank including cost of carriage trenching, placing at level below ground level as per the direction of the Engineer in Charge excluding cost preparation of CC/RCC /sand/6 mm aggregate for the bed preparation) 35 to 50 Flush capacity

OD152624/2024-2025:supplying and erection, trial run, and commissioning of an overhead traveling crane including frame work carrying 7 tone load, the girder capable of moving in the framework of the parrel bar with the help of a suitable machine in forward and backward directions,circular motion and a lifting mechanism mounted on the girder capable of moving in the transverse direction and able to cover the entire area inside the pump house of approved make and quality including cost of conveyance.(5 ton capacity crane, pulleys, chain block and other accessories)

OD152626/2024-2025:Charges for structural designing and detailing of Intake well ( Based on Design charges Proceedings of the MD, KWA No. KWA /JB/WASCON/468/2011 dated 24.4.2015)-Vetting from WASCON -KWA, vetting from Wascon

DI pipe laying

100.59.1:Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffic diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation.

15.2.2:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:4:8 leaner mix ( including equivalent design mix)

15.59:Dismantling of flexible pavement ( bituminous courses ) by mechanical means and disposal of dismantled material up to a lead of 1 kilo metre, as per direction of Engineer-in-charge.

16.83:Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

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.

100.8.1: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.

100.1.15:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth exceeding 3m but not exceeding 4.5m, 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 Hard Rock where Blasting is Prohibited.

100.14.2:Conveying and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS: 8329 excluding cost of pipes and specials: 150mm diameter Ductile Iron Class K-9 Pipes.

100.14.7:Conveying and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS: 8329 excluding cost of pipes and specials: 400mm diameter Ductile Iron Class K-9 Pipes.

100.31.1.1:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 80mm diameter, Class I.

100.31.1.4:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 150mm diameter, Class I.

100.32.4:Conveying and fixing C. I. Double Acting Air Valve of approved quality with bolts, nuts, rubber insertions etc., complete, but excluding the cost of air valve (tail pieces, if required, will be paid separately): 80mm Double Acting Air Valve.

100.35.2: Testing 150mm DI/CI pipeline with potable water to the required test pressure 150 mm dia Observed Data derived from item no.1018 of PHED DATA

100.35.7:Testing 400mm DI/CI pipeline with potable water to the required test pressure. 400 mm dia Observed Data derived from item no.1026 of PHED DATA

18.68.1:Providing and laying D.I specials of class K - 12 suitable for push - on jointing as per IS : 9523 :Upt 600 mm dia

18.69.1:Providing and laying D.I Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 :Upto 600 mm dia

18.70.2:Providing push - on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and including the cost of rubber gasket:150 mm dia pipes

18.70.7:Providing push - on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and including the cost of rubber gasket:400 mm dia pipes

18.73.7:Providing and laying Double Flanged ( Screwed / Welded ) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS: 8329 :400 mm dia Ductile Iron Double Flanged

16.68:Providing and laying 60 mm thick factory made cement concrete interlocking paver block of M - 30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

16.84:Laying old cement concrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost.)

OD152631/2024-2025:GIS mapping, Drawings soft copy and hard copy submitted on each bill, and finally submitted the full data.GIS mapping coordinates of regular intervals regarding sizes and locations of pipes, valves, and other all attributes in order to proper asset management and future servicing of the system and in order to upload in Google map.Drawings soft copy and hard copy(4Nos) with final bill .As per the Circular issued by the CE)SR) The GIS map soft copy and hard copy to be submitted to Jalabhavan (GIS wing) through the concerned EE in order to upload to the web site

100.37.11.1:In situ fabrication of M.S. pipes of size 400mm (I.D.) using 8mm thick M.S. plate including cost and conveyance charges of M.S. plate, all fabrication charges, charges of painting the steel work with two or more coat deluxe multi surface paint to give an even shade over an under-coat of primer etc., complete.

100.37.11.2:Fabricating M.S. flanges of diameter 400mm using 12mm thick M.S. plate including cost and conveyance charges of M.S. plate, all fabrication charges, charges of painting the steel work with two or more coat deluxe multi surface paint to give an even shade over an under-coat of primer etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.11.3:Cutting 400mm (I.D.) M.S. pipes for making bends and other specials by gas cutting including cost of gas, all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.11.4:Welding 400mm (I.D.) M.S. pipes for making bends and other specials by gas/electric welding machine including cost of gas and welding rods, all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.11.5:Grinding cut and weld edges of 400mm (I.D.) M.S. pipes during fabrication work including all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

18.30.9:Providing flanged joints to double flanged C.I./ D.I pipes and specials, including testing of joints:400 mm diameter pipe

100.31.2.9:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 400mm diameter, Class II.

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)

5.1.3: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:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

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

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

OD169790/2024-2025:Supply of CI NRV PN 1.6, good quality, and conveying and fixing the valve by providing bolts, nuts, rubber insertions etc., complete, (tail pieces, if required, will be paid separately):- 400mm diameter

valve chamber

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

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)

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

5.1.3: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:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

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

Supply of Materials

100.98.116:Supply of DI K9 Pipe Conforming to IS 8329/2000, 150mm Dia.

100.98.121:Supply of DI K9 Pipe Conforming to IS 8329/2000, 400mm Dia.

100.98.450:Supply of CI Air Valve with Flanges, Conforming to IS 14845 - 2000, Kinetic Air Valve Type DS1, Size 80mm.

100.98.457:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 80mm.

100.98.460:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 150mm.

100.98.465:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 400mm.

630KVA transformer along with miscellaneous electromechanical expenses.

OD152636/2024-2025:Supply , installation ,testing and commissioning of 630KVA ,11KV/3.3kV ,Delta /star connected ,3 phase ,50 HZ, Cast resin copper wound indoor dry type AN cooled transformer having vector group of Dyn II ,cable box suitable for connecting 4 runs of 3.5 *400 sq.mm XLPE cable on LT and HT side, On circuit tappings of +5% to -5% in steps of 2.5% with all standard accessories and fittings conforming to IS 2026/11171 specfications.drawings and in conformity with requirement of kerala state Inspectorate and KSEB 11KV HT Load break switch fuse unit ,cable end termination facility etc. Complete ,as follows .HT load brekswitch fuse unit 630 A,11KV,LBS FU with 240 V AC S/T space heater with thermostat. Earthing switch interlocked with the mainswitch -1 No .Mechanical and Electrical ON /OFF indication.

OD152635/2024-2025:Supply , insatallation, Testing and commisioning of 11 KV CT-PT unit , conforming to the standards and specifications of kerala state Electricity Board.CT ‘s having the current ratio /5A (actual ratio depends on the contract demend with the KSEB),Burden 10VA,and class of accuracy 0.2S and PT having 11000/110 V, class of accuracy 0.2,Burden 25VA ,required quantity transformer oil etc. Including all conveyance charges for testing at nearest TMR Division of KSEB excluding testing Fee

OD152633/2024-2025:Supply ,errection ,testing and commissioning of TOD meter,3 phase,4 wire,class0.2 S , 110 V (L-L),-/ 1A CT,-/ 5A CT having RS 485 port conforming to the latest specification of kerala state Electricity Board for effecting HT service connection . including all conveyance charges for testing at neartest TMR Division of KSEB excluding testing fee.

OD152634/2024-2025:Supply , installation ,testing and commissioning of 100KVA,11KV/433V ,Delta /star connected ,3 phase ,50 HZ, Cast resin copper wound indoor dry type AN cooled transformer having vector group of Dyn II ,cable box suitable for connecting 4 runs of 3.5 *400 sq.mm XLPE cable on LT and HT side, Off circuit tappings of +5% to -5% in steps of 2.5% with all standard accessories and fittings conforming to IS 2026/11171 specfications.drawings and in conformity with requirement of kerala state Inspectorate and KSEB 11KV HT Load break switch fuse unit ,cable end termination facility etc. Complete ,as follows .HT load brekswitch fuse unit 630 A,11KV,LBS FU with 240 V AC S/T space heater with thermostat. Earthing switch interlocked with the mainswitch -1 No .Mechanical and Electrical ON /OFF indication.

OD152642/2024-2025:Supply of all materials and providing sub station yard fencing using 40x40x6mm angle iron frame work of size 1500x1800mm fitted with 12mm iron rode vertically in 10mm c/c and bolted the same to 75x40x6mm vertical channel erected at 1500mm c/c and 2000 above ground level of sub station yard and500mm below with 300x300mm plain cement concrete(1:3:6) base using 40mm granite aggregate and top surface finished neat and including all associated civil works andpainting of all structures with two coats Zinchromate primer and aluminum paint etc. complete as per standard construction practices approved by Kerala Electrical Inspectorate and relevant standards.

OD152639/2024-2025:Supply of all materials and providing 11KV sub station yard using 4 Nos. 175x85mm ISMB joist of 9.50m height, 100x50mm MS channels cross arms. 2 set of 200A, 11KV gang operated AB switches with operating handles of required length, 2 sets of 11KV DO fuses. 2 sets of KA Lightning arrestors, Disc insulators, pin insulators and interconnections of the above items using '0' SWG copper conductor, copper sockets, including all assocciated civil works and painting of all structures with two coats Zinchromate primer and aluminium paint etc. complete as per standard construction practices approved by Kerala Electrical Inspectorate and relevant standards.

OD152644/2024-2025:Supply, erection, testing and commissioning of 3.3KV, 630 A, 350MVA, totally enclosed, single bus bar, floor mounting in metal clad, indoor extensible type flush mounted horizontal isolation and draw out type panel board comprising of 2Nos. Vacuum Circuit Breaker as incomer, one No.Vacuum Circuit Breaker as bus coupler and 5nos. Vacuum Circuit breakers/Contactors as outgoing électrically interlocked(8 Panel system). The incomer switchgears, & outgoing switch gears should be of draw out type trip free VCBs with suitable overload and short circuit prottection relays,suitable UV and shunt releases for probable intagration to control wiring including PLC unit and its auxiliary systems for remote monitaring and operation and provision for future upgradation to Scada,suitable for installation in 3 phase , 3wire, 50Hz. AC, 3.3kv, effectively earthed supply system,comprising of motorized and spring assisted, independent, trip free closing mechanism and all metering equipment,MC 61A high set numerical protective relays, . resin cast,3.3 KV /110/230V PT with control fuse for each incomers 0.2 class dual core CT LED panel indicates digital multi function meters,with minimum features to read V, A, Hz, PF, THD % inall the out going feeders and incomers including suitable CT/PT and prottection arrangements ,panel, heaters with timer/RTD based automatic operation , suitable SMF battery and battery charger arrangements etc.. complete as approved by Kerala Electrical Inspectorate and relevant standards. Armoured multi core 2.5 Sqmm copper control cables shall be used for all external & internal interconnections. Thecost of control cables both internal and external shall be included in the cost of 3.3KV panel,

OD152638/2024-2025::LSB-supply,instalation,testing and commissioning of 4 Way MCB TPN Vertical DB emprising of 63A,4P,MCB RCCB 1 No.as incomer and 25A TP MCB-1No,6Nos.6 to 16A SP MCBs as out going.With tined copper bus bars/ cable,interconnections,as per KEI standards fixed in open system.

OD152640/2024-2025: Supply, erection ,testing and commissioning of outdoor type metering unit consisting of the following. CT:- Ratio-20/5A, Burden-10 VA,Class-0.2S PT:- Ratio11KV/110V,Burden-25 VA,Class0.2 The rate shall including the cost of testing the equipment at KSEB and all other incidental expenses.The CT ratio should be fixed only after obtaining as per power allocation from KSEB.

OD152641/2024-2025:Cabling Supply,Laying,Testing and Commissioning of following sizes of MV(1100V) cables XLPE Aluminum cables as per IS.standards 3.5x300 Sq. mm

OD152637/2024-2025:Supply of all material providing earthing using 1200mm x 1200mm x12.5mm size CI earth plate buried in ground at a depth of 3.0m from ground level with alternate layers of charcoal and common salt including supply and fixing of 38mm dia 'b' class GI pipe,funnel for watering purpose,copper strips interconnection including construction of masonry chamber with MS cover as per IS 3043-1987

OD152643/2024-2025:Supply and providing the following safety items approved by Kerala Electrical Inspectorate and relevant standards. 11kV Rummer gloves - 2 pair 11kv rubber mat 1800 x1900 x12mm- 4 set 11kV danger Board -10 nos 2 Firebuckets with single stand -2 sets First aid Box - 1 set Shock treatment chart- 2 sets ISI marked, Certified, Approved Dry Chemical Fire Extinguisher- 5 Kg. with hose and clamps including fixing it to wall as required- 4 sets

Supply installation of Pumpsets

OD152645/2024-2025:Design, Supply, erection, testing, trial running and commissioning of following 1.Pump - best quality ISI marked electrically driven water lubricated Vertical turbine pump set with bronze impeller with M.S ERW column pipe of suitable diameter and SS 316 shaft with couplings bronze impeller, bowl assembly with strainer etc with suitable type base plate, foundation, nuts and bolts including providing suitable concrete foundation including cost of cement, sand and metal etc complete. The duty conditions of the site are head 125m with individual discharge of 127lps with one standby. Suitable delivery size so as to suit the pumping main.(Total head to be ensured by the contractor by direct surveying cost of which is included herein) 2. Motor-Supply, erection, testing and commissioning of KWA prequalified reputed make horizontal solid shaft foot mounted TEFC squirrel cage induction motor suitable for the above pump working on 3 phase 50 Hz Ac supply, working voltage 415V/3300 V(select suitable), 1500rpm. The motor shall confirm to Latest IE standards including providing suitable concrete foundation, including cost of materials etc. complete for 3300 V motors digital motor protection. Relay shall be included in starter as per present IE rules. . Flexible coupling shall be used for coupling of pumps and motors 3. Starter. Supply erection testing and commissioning of suitable rating (Fully automatic starter with air break contact for less than 100 HP and for above 100 HP FCMA starter to be used) . Here HT Variable frequency starter to be provided. Starter suitable for the above motor with over voltage and under voltage protection, single phase preventor, overload relay with motor protection relay with main contactor and bye pass contactor as per IE rules and code of practice etc complete 4. Panel board - Supply , erection, testing and commissioning of cubical type wall mounted MS fabricated dust and vermin proof common control panel board consisting of 1 No. suitable capacity motor protection MCCB as incomer and and No of suitable capacity MCCB as outgoing providing suitable size Aluminium bus bar to interconnect the above MCCBs and fitted with 3 Nos of indicator lamps,1 no. volt meter with selector switch ,1 no. Ammeter with selector switch for measurit ng current in each phase etc. complete and provided with a common earth bus for the entire panel and inter connect with the MCCBs as per IE rules and code of practice. The panel shall be fitted on a common base frame on suitable foundation. 5. Cabling work - Supply, laying testing and commissioning of suitable size XLPE copper cables for the above pump set from panel board to starter and from starter to motor considering energy conservation for a total length of 10 M. 6. Earthing - Supply of all materials and providing suitable earthing by using suitable size pipe /plate earthing GI/copper strip buried in ground and giving double earthing to motor, starter, panel board etc. as per IE standards. 7. Capacitor - Supply, erection testing and commissioning of heavy duty APP capacitor for the motor to get a power factor above 0.95. Capacitor should be connected to external contactor, and the capacitor shall confirm to IS 2834 8.Valves and Pressure gauges ? Supply, Erection and commissioning of suitable size best quality heavy duty ISI marked CI double flanged Sluice Valve electrical actuator (capable of operating in Fully, Semiautomatic modes and also in manual mode), Non Return Valve and Pressure Gauges with suitable Pressure rating. Fitting of valves shall include proper RCC support. In case of positive suction pipes set sluice valve should be in suction as well as delivery sides for easy repair works. 9. Suction and delivery pipe connection - Supply and fitting of suitable size best quality MS pipe of shell thickness not less than 10 mm for a total of 10 m. suitable for the above pump set and suitable size foot valve and connecting the suction pipe and valve with suitable flanges, nut and bolts IR sheet etc complete and connecting the delivery side of thr pump with the valves and suitable specials to connect the pumping main. If the dia of suction pipe is above 80 mm CI pipes and specials shall be provided. Efficiency of pumpset shall not be less than 80 %. The guarantee period is minimum two years with full replacement of above mentioned units . As per the order no. 9710/ae 15/2021/kwa dtd 8-2-2023.

OD167543/2024-2025:Design, Supply, erection, testing, trial running and commissioning of following 1.Pump - best quality ISI marked electrically driven water lubricated Centrifugal pump set with bronze impeller with M.S ERW column pipe of suitable diameter and SS 316 shaft with couplings bronze impeller, bowl assembly with strainer etc with suitable type base plate, foundation, nuts and bolts including providing suitable concrete foundation including cost of cement, sand and metal etc complete. The duty conditions of the site are head 20m with individual discharge of 121ps with one standby. Suitable delivery size so as to suit the pumping main.(Total head to be ensured by the contractor) 2. Motor-Supply, erection, testing and commissioning of KWA prequalified reputed make horizontal solid shaft foot mounted TEFC squirrel cage induction motor suitable for the above pump working on 3 phase 50 Hz Ac supply, working voltage 415V/3300 V(select suitable), 1500rpm. The motor shall confirm to Latest IE standards including providing suitable concrete foundation, including cost of materials etc. complete for 3300 V motors digital motor protection. Relay shall be included in starter as per present IE rules. . Flexible coupling shall be used for coupling of pumps and motors 3. Starter. Supply erection testing and commissioning of suitable rating (Fully automatic starter with air break contact for less than 100 HP and for above 100 HP FCMA starter to be used) . Here soft starter to be provided. Starter suitable for the above motor with over voltage and under voltage protection, single phase preventor, overload relay with motor protection relay with main contactor and bye pass contactor as per IE rules and code of practice etc complete 4. Panel board - Supply , erection, testing and commissioning of cubical type wall mounted MS fabricated dust and vermin proof common control panel board consisting of 1 No. suitable capacity motor protection MCCB as incomer and and No of suitable capacity MCCB as outgoing providing suitable size Aluminium bus bar to interconnect the above MCCBs and fitted with 3 Nos of indicator lamps,1 no. volt meter with selector switch ,1 no. Ammeter with selector switch for measurit ng current in each phase etc. complete and provided with a common earth bus for the entire panel and inter connect with the MCCBs as per IE rules and code of practice. The panel shall be fitted on a common base frame on suitable foundation. 5. Cabling work - Supply, laying testing and commissioning of suitable size XLPE copper cables for the above pump set from panel board to starter and from starter to motor considering energy conservation for a total length of 10 M. 6. Earthing - Supply of all materials and providing suitable earthing by using suitable size pipe /plate earthing GI/copper strip buried in ground and giving double earthing to motor, starter, panel board etc. as per IE standards. 7. Capacitor - Supply, erection testing and commissioning of heavy duty APP capacitor for the motor to get a power factor above 0.95. Capacitor should be connected to external contactor, and the capacitor shall confirm to IS 2834 8.Valves and Pressure gauges ? Supply, Erection and commissioning of suitable size best quality heavy duty ISI marked CI double flanged Sluice Valve electrical actuator (capable of operating in Fully, Semiautomatic modes and also in manual mode), Non Return Valve and Pressure Gauges with suitable Pressure rating. Fitting of valves shall include proper RCC support. In case of positive suction pipes set sluice valve should be in suction as well as delivery sides for easy repair works. 9. Suction and delivery pipe connection - Supply and fitting of suitable size best quality MS pipe of shell thickness not less than 10 mm for a total of 10 m. suitable for the above pump set and suitable size foot valve and connecting the suction pipe and valve with suitable flanges, nut and bolts IR sheet etc complete and connecting the delivery side of thr pump with the valves and suitable specials to connect the pumping main. If the dia of suction pipe is above 80 mm CI pipes and specials shall be provided. Efficiency of pumpset shall not be less than 80 %. The guarantee period is minimum two years with full replacement of above mentioned units . As per the order no. 9710/ae 15/2021/kwa dtd 8-2-2023.

Installation of CCTV in Pump house site

OD152619/2024-2025:CCTV Installation - Including 1) Supply, installation and commissioning 4channel DVR suitable for 5MP HD camera with motion sensor support, 2 USB port, network connector, 3 TB or above memory support, providing suitable BNC connector, providing suitable power supply etc with three year warranty etc complete 2) Supply and fixing 8 Nos of 5MP HD outdoor bullet camera with 30m IR range (night vision) with motion sensor, rate also include cost of PVC box for fixing camera, providing BNC connector, power supply socket, connecting to cable, fixing on wall, fixing camera, providing connections etc complete. 3 year warranty 3) Supply and fixing 600VA - UPS suitable for CCTV with one year warranty 4)supply of CCTV camera power supply for 8 camera and support a cable length up to 400 mtr with 3 year warrenty 5) Supply, installing and commissioning 4G/5G router to DVR to enable remote viewing 5) Supply and fixing of suitable cable for connecting camera (signal and power cable) - 250m length 6)Supply and fixing 1 TB hard disk suitable for DVR with three year warranty 7) Supply, installation and commissioning metal wall mount DVR/CCTV/NVR Rack with 3 power socket, key and front glass size 400 x 400 x 200mm

Restoration of GP roads

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

4.1.A.1:Construction of granular sub-base by providing graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with a motor grader on the prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 Grading-I - Plant Mix 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.

5.7.1:Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.09 mm (Type-A) aggregates using viscosity grade bitumen ( VG - 30) to the required line, grade, and level to serve as wearing course on a previously prepared base, including mixing in a suitable HMP of appropriate capacity not less than 75 tonnes/hour., laying and rolling with a Smooth wheeled roller 8-10 tonne capacity, and finishing to the required level and grade.

6.2:Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing

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.