NIT NO. 44/Durg(Durg)/2026

Excavation for all types and sizes of foundations, trenches and drains or for any other purpose including disposal of excavated stuff upto 1.5 m lift and lead upto 50m (at least 5m away from the excavated area), including dressing and leveling of pits. 1.1.1 All kinds of soil

Surface dressing of the ground including removing vegetation and making up undulations and in-equalities not exceeding 15 cms in depth/ heigh including disposal of rubbish upto 1.5 m lift and lead upto 50m (at least 5m away from the dressed area).

Extra for every additional lift of 1.5 m or part thereof.

Providing and filling in plinth with sand/ Crusher dust and hard moorum under floor in layers not exceeding 20cm in depth consolidating each deposited layer by ramming and watering, including dressing etc. complete.

Providing and fixing form work including centring, shuttering, strutting, staging, propping bracing etc. complete and including its removal at all levels, for: 2.1.1) Foundations, footings, bases of columns plinth beam, curtain wall in any shape and size and all type of wall below plinth level.

Window sills, anchor blocks, string course, bends, copings, bed plates and like.

Edge of slab, breaks in floor and walls upto 200mm.

Columns, Pillars, Piers and likes- rectangular or square in shape

Suspended floors, roofs, access platform, balconies (plain surfaces) and shelves (cast in situ)

Beams, lintels, cantilevers & walls

Weather shade, chhajja, Cornices and mouldings

Providing and laying nominal mix plain cement concrete with crushed stone aggregate using concrete mixer in all works upto plinth level excluding cost of form work. 3.1.3)1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40mm nominal size).

Providing and laying nominal mix reinforced cement concrete with crushed stone aggregate using concrete mixer in all works upto plinth level excluding cost of form work. (Note :Excess/ less cement used as per design mix is payable/ recoverable separately) 3.2.1)1:1½:3 (1 cement : 1½ coarse sand : 3 graded stone aggregate 20mm nominal size).

Extra for laying PCC/RCC of any grade in superstructure above plinth level for every floor or part thereof in addition to rate for foundation and plinth:

Providing and placing in position reinforcement for R.C.C. work including straightening, cutting, bending, binding etc. complete as per drawings including cost of binding wire in foundation and plinth all complete: 3.12.2)Thermo-Mechanically treated bars FE 500D

Providing and laying damp proof course (upto 50mm thick) with plain cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded crushed stone aggregate 20mm nominal size) including form work.

Providing and mixing water proofing material in PCC/ RCC work in the proportion recommended by the manufacturer.

Applying a coat of hot bitumen VG-10 using @ 1.7kg/ sqm on damp proof course after cleaning the surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil.

Brick work with modular fly-ash lime bricks (FaLG Bricks) confirming to IS:12894-2002 of class designation 4.0 in foundation and plinth in: 7.5.3)Cement Mortar 1:5 (1 cement : 5 coarse sand)

Extra for brick work in superstructure above plinth level for every floor or part thereof in addition to rate for foundation and plinth: Ground floor

Providing wood work in frames of doors, windows, clerestory windows and other frames wrought framed and fixed in position. 8.1.2)Sal, bijasal, benteak, khair, haldu

Providing and fixing flush door shutters, core of block board construction with frame of first class hard wood and well matched first class Indian teak ply veneering on one face and commercial ply veneering on the other face of the shutter with vertical grains, cross bands and face veneering excluding hinges. 8.14.2)35 mm. thick (single leaf)

Extra for double leaf shutter instead of single leaf.

Providing and fixing 30mm thick wire gauge shutter having top and style rail 95mm width, bottom and lock rail 197mm width, using galvanized M.S. wire dia of 0.45mm for doors, windows, clerestory windows excluding hinges. 8.24.1)Teak Wood

Providing and fixing stainless steel butt hinges IS : 12817 marked with necessary stainless steel screws etc complete. 8.132.2)125x2.5mm (heavy)

75x2.5mm (heavy)

Providing and fixing stainless steel sliding door bolts with 16mm rod, 2.5mm thick flap, necessary stainless steel nuts bolts and screws etc complete 8.137.1)300mm

Providing and fixing stainless steel tower bolts (Barrel type) with necessary stainless steel screws etc complete 8.139.2)200 x10mm 8.139.3)150 x10mm

Providing and fixing stainless steel door handles having flap thickness 2.5mm, necessary stainless steel screws etc complete. 8.140.2)125mm

Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2mm and braced with flat iron diagonals 20x5mm size with top and bottom rails of T-iron 40x40x6mm with 38mm steel pulleys complete with bolts, nuts, locking arrangement stoppers, handles including applying a priming coat of red oxide zinc chromate primer.

Providing and fixing M.S. grill of approved pattern made of M.S. flats or square or round bars welded to steel frame of windows etc. including applying a priming coat welded to frame with all necessary fitting complete including applying a priming of red oxide zinc chromate primer.

Providing and fixing stainless wire gauge of average width of aperture 1.56mm with wire of 0.35mm to existing steel door, window shutter frames with necessary M.S. strip beading etc. complete.

Providing and fixing aluminium work for doors, windows, ventilators and partitions made out of extruded aluminium standard sections (main section with minimum 1.5mm thickness) conforming to IS: 733, IS: 1285 mitred and jointed mechanically including aluminium cleats, neoprene weather stripping gasket beveled edge beading, screws duly fixed in wall/ floor with fixing clips or hold fasteners or bolts and nuts as required aluminium sections shall be anodized transparent or dyed to approved shade according to IS: 1868, minimum anodic coating shall be of grade AC-15. (Glazing to be paid for separately. 9.47.1 ) For fixed portion

For shutter of doors, windows & ventilators including providing and making provision for fixing of fitting wherever required including the cost of PVC/ neoprene gasket required (Fittings shall be paid for separately). Qty 75% for Frame work

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with PVC/ neoprene gasket etc. complete. (Cost of aluminium snap beading shall be paid in basic item): 3.51.1)With float glass panes of 4 mm thickness

Extra for providing and fixing tinted glass panes in aluminium door, window, ventilator shutters and partitions instead of float glass. 9.58.1)4 mm thickness

Providing and fixing at all height false ceiling consisting of frame work "W" / "U" / "L" sections made of G.I. sheet with zinc coating of grade 120 consisting of angle cleats of size 25mm wide x 1.6mm thick with flanges of 22mm and 37mm at 1200mm centre to centre one flange fixed to the ceiling with dash fastener 12.5mm diax40mm long with 6mm dia bolts to the angle hangers of 25x25x0.55mm of required length, and other end of angle hanger being fixed with nut and bolts to G.I. channels 45x15x0.9mm running at the rate of 1200mm centre to centre to which the ceiling section 0.5mm thick button wedge of 80mm with tapered flanges of 26mm each having clips of 10.5mm at 450mm centre to centre shall be fixed in a direction perpendicular to G.I. channel with connecting clips made out of 2.64mm diax230mm long G.I. wire at every junction including fixing the gypsum board with ceiling section and perimeter channels 0.55mm thick 27mm high having flanges of 20mm and 30mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450mm centre to centre with 25mm long drive-all screws @ 230mm interval including jointing and fixing to a flush finish of tapered and square edges of the board with recommended filler, jointing tapes, finisher and two coats of primer suitable for board as per manufactures specification and also including the cost of making openings for light fittings, grills, diffusers, cutouts made with frame of perimeter channels suitably fixed including providing and fixing 12.5 mm thick tapered edge gypsum board conforming to IS: 2095- Part-I all complete as per drawing and specification and direction of the Engineer in Charge but excluding the cost of painting.

Providing and making 6mm thick cement plaster of mix: 11.1.2 In Cement mortar 1:4 (1 cement : 4 fine sand)

Providing and making 12mm thick cement plaster of mix: 11.2.3)In Cement Mortar 1:5 (1 cement : 5 fine sand)

Providing and making 15mm thick cement plaster on the rough side of single or half brick wall of mix: 11.3.3)In Cement Mortar 1:5 (1 cement : 5 fine sand)

Neat Cement punning.

Providing and making 18 mm thick cement plaster with under layer of 12mm thick cement plaster 1:5 (1 cement : 5 fine sand) finished with a top layer of 6mm thick cement plaster 1:3 (1 cement : 3 fine sand).

Providing and laying ceramic glazed floor tiles conforming to IS : 15622 of approved size, make, colour, shade laid on 20 mm thick Cement Mortar 1:4 (1 cement : 4 coarse sand) including pointing the joints with white cement mixed with matching pigment etc., complete. 12.9.2)Size above 300x300mm

Providing and fixing ceramic glazed wall tiles conforming to IS : 15622 of approved make, colours, shades and size on wall and dados over 12mm thick bed of cement Mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm including pointing in white cement mixed with matching pigment 12.7.2)Size above 200x300mmcomplete.

Providing and laying matt/ Glazed finish HOMOGENEOUS ACROSS FULL BODY VITRIFIED floor tiles (heavy duty) with water absorption less than 0.05% and conforming to IS : 15622-2017 of 1st quality of approved make in all colours and shades and size mentioned below (+/- 10mm), laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand) including grouting the joints with white cement and matching pigments etc. complete.. 12.78.1)Size 600 x 600mm thickness 9 to 10mm

Providing and laying DOUBLE/ MULTI CHARGE (minimum 2.0mm thick layer) VITRIFIED floor tiles with water absorption less than 0.05% and conforming to IS : 15622-2017 of 1st quality of approved make in all colours and shades and size mentioned below (+/- 10mm), laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand) including grouting the joints with white cement and matching pigments etc. complete.. 12.79.1)Size 600 x 600mm thickness 9 to 10mm

Extra for nosing in Granite stone for treads

15 mm thick Table rubbed polished Granite stone slab in risers and treads of steps skirting dado and pillars laid on 12mm (Average) thick base of cement mortar 1:3 (1 cement : 3 coarse sand) and jointed with grey cement slurry including rubbing and polishing etc. complete (single stone is to be used for risers and treads of steps and width of stone for skirting and dado shall be equal to the height of skirting & dado and length of 1.0 m). 12.46.2)Granite stone black

15mm thick Granite work (machine cut, table rubbed & mirror polished) for kitchen platform, vanity counters, window sills and similar locations of required size laid over 20mm thick base cement mortar 1:4 (1 cement : 4 coarse sand) including joints treated with white cement mixed with matching pigment including rubbing and polishing to edge moulding to give high gloss finish. 13.6.2)Granite stone black

Extra for providing edge moulding to 15mm thick stone counters, vanities etc. including machine polishing to edge to give high gloss finish etc. complete as per design approved by Engineer-in-Charge. 13.19.2)Granite work

Providing and applying Acrylic washable Distemper or lite economy Plastic emulsion paint having VOC content lessthan 50gms/ lit Minimum two coats up to final finish applicd @ 1.25 Kg/ 10Sqm as per relevant L.S. Code428:2000 (product such as Tractor Uno, Dulux Duval,Berger Bison, Opus Style/lite economy emulsion product such as Asian Tactor Spark Dulux Pomise sheen, Neroloc Litil Master, Berger Bison Lite, Nippon Superio.) inclusive of providing abro tape on edges and article and cleaning of door, windows, floor and surface as required with all tools tackles and labour complete for the work.

Providing and applying Polymaric cement primer on all surface applied @ 0.80 litrs/10 sqm as per relevant IS. code 15489:1974 (product such as Birla white primacoat/activcoat, Asian Trucare , Dulux interior cement primer, Opus Calista / I10) with all tool tackles and labour etc. complete for the work.

Providing and applying 2mm thick white cement based Acrylic grade putty with minimum 3 coats applied @ 4.0 kg/ 10Sqm as per relevant IS code 17545:2021 (Product such as Asian trucare, Berger Happy walls Putty Birla Opus One pro smooth) to make the surface smooth and even with all tools tackles and labour etc. complete for the work . (This Item to be use in heigher grade painting works Item No. 14.65)

Providing and applying on exterior surface with PREMIUM Exterior emulsion paint of required shade to give protective and water proof finish minimum 3 coats applied @ 1.40 lit / 10Sqm up to final finish as per relevant I.S. Code 15489:2013 Type -2 Class D , C (Glossy /Semi Glossy finish ) (Product such as Asian Apex ,Dulux Weather Shield Prima E900, Berger Weathercoat Antidust, Nerolac Everlas Excel, Nippon Sumo Etra, Opus True flex) inclusive of providing abro tape on edges and articleand cleaning of door, windows, floor and surface as required with all tools tackles and labour etc. complete for the work.(With 3Year Warranty.)

Providing and applying priming coat on wood work applied @ 0.50 li/Sqm as per relevant IS code 3536:1999 ( product such Asian trucare, Burger Wood Keeper, Dulux Duwel wood primer) with all tool tackles and labour etc for complete the work.

Providing and applying Glossy finish Enamel paint mimimum 2 Coats in al surface applying @ 0.75 lit/ 10 Sqm up to required finish as per relevent I.S. code 2932: 2013 of (Product such as Asian Apcolite Premium Enamel Dulux Promise Premium Enamel Nerolac Synthatic Enamel, Opus Prime enamel ) inclusive of providing abro tape on edges and article and cleaning of door, windows, floor and surface as required with all tools tackle and labour etc. complete for the work.

Providing and applying ready to apply POLYURETHANE MODIFIED WOOD FINISH on new wood work in two coats with spray machine after preparing surface by rubbing down smooth with sand papers 180. this should be followed by smooth sanding with sand paper 320 or 400. wipe the surface to clean off loose dust particles for secong coat applied @0.10L/Sqm (product such as Asian Paints TouchWood, Dulux sadoline interior, Berger wood keeper 1KPU ) inclusive of providing abro tape on edges and article and cleaning of adjucent surface with all tools, tackles and labour etc. complete for the work.

Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 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 : 18.1.3)White Orissa pattern W.C. pan of size 580x440 mm

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 : 18.4.1)White pedestal type

Providing and fixing 15 mm nominal bore uplasticised PVC connection pipe with PTMT nuts and PVC bush of approved quality and colour: 18.10.2)45 CM length

Providing and fixing white vitreous china urinal basin with waste fitting as per IS : 2556, and other couplings in C.P. brass complete: 18.13.1)Flat back half stall urinal of size 460x380x250mm

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 where required : 18.17.1)White Size 550x450 mm

Providing and fixing Stainless Steel A ISI 304 (18/8) kitchen sink without drain board as per IS 13983 with C.I. brackets and stainless steel plug 40 mm including painting of fittings and brackets, cutting and making good the walls wherever required : Kitchen sink with drain board 18.22.2)560x410 mm bowl depth 215 mm.

Providing and fixing flexible P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. 18.25.1)32 mm Dia

Providing and fixing 600x450 mm beveled edge 4mm mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete.

Providing and fixing on wall face or under floor UV stabilized Unplasticised Rigid PVC pipes (single socketed) having 3.2mm wall thickness conforming to IS : 13592 (4kg/sqcm) including required couplers, jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion etc complete. - For Rain water 18.76.2)110 mm dia pipe

Providing and fixing on wall face UV stabilized Unplasticised - PVC moulded fittings/ accessories having 3.2mm wall thickness for Rigid PVC pipes conforming to IS : 13592 (heavy) jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion.. 18.77.1)Tee/ Tee with door/ Bend 45°/ Bend 90° 18.77.1.2)110 mm

Double "Y" with or without door 18.77.2.2)110 mm

Nahani trap 110x75mm

Plain reducing Tee 110x75mm

Providing and fixing UV stabilized Unplasticised -PVC pipe clips of approved design to Rigid PVC pipes by means of 50x50x50mm hard wood plugs, screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete. 18.78.2)For 100mm dia. Pipe

Providing and fixing on wall surface G.I. pipes medium class complete with G.I. fittings and clamps, including cutting, making good the walls etc. and testing of joints complete: 19.7.4)32 mm nominal outer dia pipes Tank Inlet

40 mm nominal outer dia pipes Tank Inlet

Providing and fixing concealed in wall G.I. pipes medium class complete with G.I. fittings and clamps, including painting with anti corrosive bitumastic paint, cutting chases, making good the walls etc. and testing of joints complete: 19.8.1)15 mm dia nominal bore

Providing and fixing G.I. Union in existing G.I. pipe line, cutting and threading the pipe and making long screws including excavation, refilling the earth or cutting of wall and making good the same complete wherever required : 19.12.3)25mm nominal bore

32mm nominal bore

40mm nominal bore

Providing and fixing 15 mm nominal bore C.P. brass fittings of approved make and conforming to IS:8931 including C.P. brass extension if required: 19.14.1)Bib cock (400 grams)

Two way bib cock (800 grams)

Piller Cock (400 grams)

Stop cock (concealed) (600 grams)

Angle valve for basin mixer and geyser points (450 grams)

Hand shower set with flexible extension pipe

Bottle trap set with extension pipes

Toilet paper holder

Soap dish plate

Shower rose (revolving type) (150mm)

Towel rail (600mm long x 20mm dia)

Towel ring (150 mm dia)

Health foscet (hand jet) with flexible connection pipe (for WC)

CP brass water jet to be fixed in seat cover of WC with flexible connection pipe

Providing and fixing stainless steel drain jali of approved make/quality.

Providing and fixing of gun metal gate valve with CI wheel of approved quality (screwed ends) 19.16.1)25mm dia, nominal bore

32 mm dia, nominal bore

40 mm dia, nominal bore

Painting G.I. pipes and fittings with synthetic enamel white paint over a red oxide zinc chromate priming coat, both of approved quality for new work: 19.21.1) 15 mm diameter pipe.

25 mm diameter pipe

32 mm diameter pipe.

40 mm diameter pipe.

Providing and placing on terrace (at all floor levels) 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.

Constructing masonry Chamber 30x30x50 cm, inside with modular well burnt clay bricks of 35 kg/ cm² in cement mortar 1:4 (1 cement : 4 coarse sand) for stop cock, with C. I. surface box 100x100 x75 mm (inside) with hinged cover fixed in cement concrete slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) necessary excavation foundation concrete 1:5:10 ( 1 cement : 5 fine sand:10 graded stone aggregate 40mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12mm thick finished with a floating coat of neat cement complete as per standard design :

Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) all-round S.W. pipes including bed concrete 150mm thick as per standard design: 20.2.2)150mm diameter

Providing, lowering, laying, aligning, fixing in position at and jointing at all level/ depths ISI marked HDPE pipes of PE-100 grade and PN 6 for sewer application as per IS 14333-1996 (amended upto date) in trenches in complete including all material, labour, testing and commissioning as per direction of Engineer. Note : E/w to be measured and paid separately. 20.6.2)150mm diameter

Providing and constructing brick masonry chamber for underground pipe and bends with well burnt modular clay bricks crushing strength not less than 35kg/cm2 in cement mortar 1:4 (1 cement : 4 coarse sand) RCC cover of suitable size and 75mm thick with 1:1.5:3 mix (1 cement :1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) including reinforcement 8mm dia bars at 150mm both ways and MS hooks for lifting, including foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished smooth with a floating coat of neat cement on walls and bed concrete etc. complete as per standard design : 20.29.1)Inside dimensions 450x600 mm and 45 cm deep for single pipe line :

Providing and constructing soak pit 1.20x1.20x1.20m filled with brickbats including S.W. drain pipe 100 mm diameter and 1.20 m long complete as per standard design.

Boring/drilling bore well perfectly vertical for the specified depth suitable to receive required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including ollecting samples from different strata, preparing and submitting strata chart/bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer–in-charge upto 90 metre depth below ground level. 21.1.1 ) All types of soil 21.1.1.3) 150 mm dia

Rocky strata including Boulders 21.1.2.3) 150 mm dia

Boring/drilling bore well perfectly vertical for the specified depth suitable to receive required dia for casing/ strainer pipe, by suitable method Prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer–in-charge beyond 90 metre & upto 150 metre depth below ground level. 21.1.2)Rocky strata including Boulders 21.2.3)150 mm dia

Supplying, assembling, lowering and fixing in vertical position in bore well, ISI marked G.I. casing pipe (Plain) medium class in 4 to 7 meters length one end fitted with socket as per IS: 1239 (Part-1&Part-2) 1992 with IVth revision (Up-to-date amendments), of reputed & approved make, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer- in-charge. 21.5.3)150 mm nominal dia

Supplying, assembling, lowering and fixing in vertical position in bore well, slotted casing pipe made from ISI marked G.I. pipe (Plain) medium class in 4 to 7 meters length one end fitted with socket as per IS: 1239 (Part-1&Part-2) 1992 with IVth revision (having slot of size 1.6/3.2 mm), of reputed and approved make, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge. 21.6.3)150 mm nominal dia

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for bore well of: 21.11.3)150 mm dia

Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tube well as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. 21.12.3) 150 mm clamp.

Extra for precast PCC/ RCC work of any mix including form work, hoisting and fixing in Cement Mortar. 1:2 (1 Cement : 2 coarse sand) and finishing with cement plaster in Cement Mortar 1:3 (1 Cement : 3 coarse sand) but excluding reinforcement.

Filling from available excavated stuff (Excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20cm in depth consolidating each deposited layer by ramming and watering with a lead upto 50 M. and lift upto 1.5 M.

Supplying and fixing C.I. cover without frame for manholes : 20.14.1) 455x610 mm rectangular C.I. cover (light duty) the weight of the cover to be not less than 23 kg.

Providing M.S. foot rests including fixing in manholes with 20x20x10 cm cement concrete blocks 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) as per standard design : 20.11.1) With 20x20 mm square bar

Supplying, assembling, lowering and fixing in verticle position I bore well unplasticized PVC medium well screen (RMS) slotted pipes with ribs, confirming to IS : 12818, including hire & labour charges, fittings & neccesories etc. all complete, for all depths, as per direction of engineering- charge 21.4.3) 150 mm nominal size dia.

Providing and fixing filter of minimum 100 litre capacity of roof top rain water harvesting through tube well consisting of two layerd HDPE tank with five layers(each layers of minimum 100 mm) consist of coarse sand, 4mm, 6mm,8mm & 12mm gravels with stainless steel wire mesh fixed between each layer with suitable length and sufficient numbers of 110mm dia PVC Pipe pieces in bottom of tank to support the above layer including fixing of inlet of out let p.v.c. pipe of required diametre upto 2 metre length of each side ,cement concrete plateform of required size complete as directed by engineer in charge ( excluding cost of tubewell and inlet and outlet pipe beyond 2 metre