Public Works Department-PWD has published Tender For Proposed Construction Of Rcc Toilet Block Building And Parking Shed At Iti Dharmanagar Under Dharmanagar Sub-Division During The Year 2022-23. Submission Date for this Tender is 05-12-2022. Toilet Bathroom Tenders in dharmanagar Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Earth work in excavation over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil By Mechanical means |
| 2 | Earth work in excavation in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil By manual means |
| 3 | Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. All kinds of soil |
| 4 | Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete. |
| 5 | Supplying chemical emulsion in sealed containers including delivery as specified. Chlorpyriphos/Lindane emulsifiable concentrate of 20% |
| 6 | Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering All work upto plinth level. |
| 7 | 1:4:8 ( 1 Cement: 4 fine sand : 8 graded stone aggregate 40 mm nominal size) |
| 8 | 1:2:4 ( 1 Cement: 2 fine sand : 4 graded stone aggregate 20 mm nominal size) |
| 9 | 1:3:6 ( 1 Cement: 3 fine sand : 6 graded stone aggregate 20 mm nominal size) |
| 10 | Centering shuttering including struttings, propping etc. and removal of form work for: Foundations, footings, bases for columns. |
| 11 | Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 fine sand : 6 graded well burnt brick aggregate 20 mm nominal size) over 75mm bed of dry brick ballast 40mm nominal size well rammed and consolidated and grouted with fine sand including finishing the top smooth. |
| 12 | Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement. All work upto plinth level. 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size) |
| 13 | Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars/ Cold twisted deformed steel bars |
| 14 | Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and skirting courses, fillets, columns, pillars, piers, abutments, posts and struts etc. upto floor five level excluding cost of centring, shuttering, finishing and reinforcement- 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size) |
| 15 | Reinforced cement concrete work in beams, suspended floors, roofs having slope upto 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases upto floor five level excluding the cost of centring, shuttering, finishing and reinforcement- |
| 16 | RCC work in suspended floors, roofs having slope upto 15° landings, balconies, shelves and chajjas. 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size) |
| 17 | RCC work in beams, lintels, bands, plain window sills, staircases and spiral staircases excluding precast spiral staircase. 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size) |
| 18 | Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars/ Cold twisted deformed steel bars |
| 19 | Providing precast cement concrete Jali 1:2:4 (1 cement: 2 coarse sand : 4 graded stone aggregate 6mm nominal size) reinforced with 1.6 mm dia mild steel wire including centring and shuttering, roughening cleaning, fixing and finishing in cement mortar 1:3(1cement : 3 fine sand)etc. complete, excluding the plastering of jambs, sills and soffits. 50 mm thick |
| 20 | Providing, hoisting and fixing up to floor five level precast reinforced cement concrete workin string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like including he cost of reuired centering shuttering, finishing smooth with 6 mm thick cement plaster 1:3 (1 cement : 3 fine sand) on exposed surfaces complete but excluding cost of reinforcement with 1:2:4 (1 cement:2 coarse sand:4 graded stone aggregate 20 mm nominal size). |
| 21 | Centering shuttering including struttings, propping etc. and removal of form work for: |
| 22 | Walls (any thickness ) including attached pilasters, butresses, plinth and string courses etc. using shuttering ply |
| 23 | Suspended floors, roofs, landings, balconies and access platform with 12 mm thick shuttering ply |
| 24 | Lintels, beams, plinth beams, girders, bressumers and cantilevers with shuttering ply |
| 25 | Columns, Pillars, Piers, Abutments, Posts and Struts with shuttering ply |
| 26 | Stairs (excluding landings) except spiral-staircases with wooden plank |
| 27 | Vertical and horizontal fins individually or forming box louvers band, facias and eaves boards. |
| 28 | Edges of slabs and breaks in floors and walls under 20 cm. wide |
| 29 | First class brick work in foundation and plinth including cost of all materials as required complete. |
| 30 | In cement mortar 1:4 ( 1 cement : 4 fine sand ). |
| 31 | In cement mortar 1:6 ( 1 cement : 6 fine sand ). |
| 32 | First class brick work in superstructure above plinth level & upto floor-five level including cost of all materials as required complete. In cement mortar 1:6 ( 1 cement : 6 fine sand ). |
| 33 | Half brick masonry with first class bricks in superstructure upto floor five level including cost of all materials as required complete:- In cement mortar 1:4 ( 1 cement : 4 fine sand). |
| 34 | Neat cement punning. |
| 35 | Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position : Karai wood |
| 36 | Providing and fixing ISI marked flush door shutters conforming to IS: 2202 (Part I) non-decorative type, core of block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veeners on both faces of shutters. 35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws. |
| 37 | Providing 50 × 50 × 50 mm Gamair wood plugs including cutting brick work and fixing in cement mortar 1:3 (1 cement: 3 fine sand) and making good the walls etc. |
| 38 | Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. all complete. Fixed to openings /wooden frames with rawl plugs screws etc. |
| 39 | Providing 40 × 5 mm flat iron hold fast 40 cm long including fixing to frame with 10 mm diameter bolts, nuts and wooden plugs and embedding in cement concrete block 30 × 10 × 15 cm 1:3:6 mix (1 cement : 3 fine sand : 6 graded stone aggregate 20mm nominal size) |
| 40 | Providing and fixing aluminium sliding door bolts ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with nuts and screws etc. complete : |
| 41 | 300 x 16 mm |
| 42 | 250 x 16 mm |
| 43 | Providing and fixing ISI marked aluminium tower bolts anodised (anodised coating not less than grade AC 10 as per IS 1868) transparent or dyed to required colour or shade with necessary screws etc. complete as per clauses of Chapter - 9 of CPWD specification. |
| 44 | 300 x 10 mm |
| 45 | 250 x 10 mm |
| 46 | Providing and fixing aluminium handles ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade with necessary screws etc. complete : |
| 47 | 125 mm |
| 48 | 100 mm |
| 49 | Providing and fixing aluminium hanging floor door stopper ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade with necessary screws etc. complete. Single rubber stopper |
| 50 | Providing and fixing factory made P.V.C. door frame of size 50x47mm with a wall thickness of 5mm, made out of extruded 5mm rigid PVC foam sheet mitred at corners and joined with 2 Nos. of 150mm long brackets of 15x15mm M.S. square tube, the vertical door profiles to be reinforced with 19×19mm MS square tube of 19 gauge, EPDM rubber gasket weather seal to be provided through out the frame . The door frame to be fixed to the wall usuing MS screws of 65/100 mm size complete as per manufacturers" specification and direction of Engineer-In-Charge. |
| 51 | Providing and fixing bright finished 100mm mortice lock with 6 levers without pair of handles for aluminium door with necessary screws etc complete (Best make of approved quality) as per direction of Engineer-in-charge. |
| 52 | Providing and fixing to existing door frames,30mm thick factory made solid panel PVC door shutter consisting of frame made out of M.S. tubes of 19 gauge thickness and size of 19mm x 19mm for stiles, top & bottom rails. M.S .frame shall have a coat of steel primers of approved make and manufacture M.S. frame covered with 5mm thick heat moulded PVC ‘C channel of size 30mm thickness, 110mm width out of which 90mm shall be flat and 20mm shall be tapered in 45 degree angle on either side forming stiles; and 5mm thick, 110mm wide PVC sheet out of which 90mm shall be flat and 20mm shall be tapered on the inner side to form top and bottom rail and 130mm wide PVC sheet out of which 90mm shall be flat and 20mm shall be tapered on both sides to form lock rail. Top bottom and lock rails shall be provided either side of the panel. 10mm (5mm x 2) |
| 53 | thick, 20mm wide cross PVC sheet shall be provided as gap insert for top rail & bottom rail. Panelling of 5mm thick PVC sheet to be fitted in the M.S. frame welded/ sealed to the stiles & rails with 7mm (5mm +2mm) thick x 15mm wide PVC sheet bending on inner side, and joined together with solvent cement adhesive. An additional 5mm thick PVC strip of 20mm 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. |
| 54 | Providing and fixing IS : 3564 marked Aluminium die cast body tubular type universal hydraulic door closer with necessary accessories and screws etc. complete. |
| 55 | Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes |
| 56 | Providingandfixingaluminiumworkfordoors,windows,ventilators, stair railing including hand rail andpartitionswithextrudedbuiltupstandardtubularsections/ appropriateZsectionsandothersectionsofapprovedmake conforming to IS: 733 and IS : 1285, fixed with rawl plugs and screws orwithfixingclips,orwithexpansionholdfastenersincluding necessary filling up of gaps at junctions, at top, bottom and sides with required PVC/neoprene felt etc. aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawingandthedirectionofEngineerincharge.(Glazingand paneling to be paid for separately) :- |
| 57 | For fixed portion of approved quality:- Anodisedaluminium(anodisedtransparentordyedto requiredshadeaccordingtoIS:1868,Minimumanodic coating of grade AC 15). |
| 58 | For shutters/ sliding shutters of doors, windows & ventilatorsincluding providing and fixing hinges / pivots / rollers and making provision for fixing fittings wherever required including the cost of PVC / neoprene gasket required of approved quality ( Fittings shall be paid for separately ):- Anodisedaluminium(anodisedtransparentordyedto requiredshadeaccordingtoIS:1868,Minimumanodic coating of grade AC 15). |
| 59 | Providing and fixing glazing of approved quality in aluminium doors,windows, ventilator, shutters and partition frames with PVC / neoprene gasket etc. complete as per architectural drawing and the direction of Engineer-in-charge :- With glass/float glass panes of 4.0 m thickness ( weight not less than 10.0 kg / sqm ) |
| 60 | Providing and fixing stainless steel ( SS 304 grade ) adjustable friction window stay of approved quality with necessary stainless steel screws etc. to the side hung windows etc. complete as per direction of Engineer-in-charge:- 255 x 19 mm |
| 61 | Providing and fixing aluminium round shape handle of outer dia 100 mm with SS screws etc. of approved quality completeas per direction of Engineer-in-charge:- Anodised aluminium of grade AC 15 ). |
| 62 | Providing and laying 1st quality ceramic glazed floor tiles 300 x 300 mm conforming to IS : 15622 ( thickness to be specified by the manufacturer ) of approved make in colours, shades such as white, ivory, grey, fume red, brown over 20 mm thick bed of cement mortar 1 : 4 ( 1 cement : 4 fine sand ) jointed with ordinary cement slurry including pointing with white cement mixed with pigment of matching shade complete. |
| 63 | Providing and fixing 1st quality ceramic glazed wall tiles (minimum 200 x 300) conforming to IS : 15622 - 2017 (thickness to be specified by the manufacturer) of approved make in all colours, shades of any size as approved by Engineer-in-charge in skirting, risers of steps and dados, laid over 12 mm thick bed of cement mortar 1 : 3 (1 cement : 3 fine sand) jointed with ordinary cement slurry including pointing with white cement mixed with pigment of matching shade complete. |
| 64 | Providing and laying polished vitrified floor tiles in different sizes ( thickness to be specified by the manufacturer ) with water absorption less than 0.08 % and conforming to IS : 15622 of approved make in all colours, shades over 20 mm thick bed of cement mortar 1 : 4 ( 1 cement : 4 fine sand ) jointed with ordinary cement slurry including pointing with white cement mixed with pigment of matching shade complete. Size of tile 60x60 cm |
| 65 | Providing and fixing Kota stone in floors over 20 mm thick bed ofcement mortar 1 : 4 ( 1 cement : 4 fine sand ) jointed with ordinary cement slurry including pointing with ordinary cement mixed with pigment of matching shade, including rubbing and polishingcomplete. Kota stone slab 25mm thick |
| 66 | Providing and laying cement concrete 1:2:4 (1 cement: 2 fine sand : 4 graded stone aggregate 20 mm nominal size) flooring finished with a floating coat of neat cement including cement slurry, rounding of edges and strips and cost of glass strips etc. complete. 40 mm thick |
| 67 | ProvidingandfixingonwallfaceunplasticisedRigidPVCrainwater pipes (working pressure 4 kg / cm2)conformingto IS : 13592 Type Aincludingjointingwith sealring conformingtoIS:5382leaving10mmgapforthermalexpansion: Single socketed pipe - 110 mm OD |
| 68 | Providingandfixing on wallface unplasticised - PVCmouldedfittings/ accessoriesfor unplasticised Rigid PVC rain water pipes conforming to IS:13592TypeAincludingjointingwith sealringconformingtoIS: 5382 leaving 10 mm gap forthermalexpansion: |
| 69 | Coupler 110mm |
| 70 | Single equal tee without door 110 x 110 x 110 mm |
| 71 | Single equal tee with door 110 x 110 x 110 mm |
| 72 | Bend 87.5 degree 110mm |
| 73 | Plain shoe 110 mm |
| 74 | Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised-PVCrainwater pipesbymeansof50x50x50mmhard woodplugs,screwedwithM.S.screwsofrequiredlengthincluding cutting brick work andfixing with cement mortar 1 : 4 (1cement : 4 fine sand) making good the wall etc. complete. 110mm |
| 75 | Providing and fixing to the inlet mouth of rain water pipe PTMT grating with thickness of 8mm and weighing not less than 100gm. complete. 100mm |
| 76 | Supply & installation of pre-painted Galvalume sheets for roofing/cladding (size, shape and pitch of corrugation as approved by Engineer-in-charge) in 550mpa steel grade, made out of Cold Rolled Steel coated with Zinc-Aluminium alloy coating of 43.5% Zn, 55% Al and 1.5% Silicon confirming to ASTM A792/A792M and AS1397, Alloy coating AZ150/AZ70, colour coated with high quality Polyester coating, top coated of modified polyester of 20 micron, back side coat of 5 micron, having epoxy primer coat of 5 micron on both side. Sheet should have protective guard film of 25 microns minimum to avoid scratches while transportation and should be supplied in single length upto 12 metre or as desired by Engineer-incharge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) with EPDM washers filled with white lead complete upto 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. 0.45mm thickness |
| 77 | 12 mm cement plaster in single layer including cost of materials required and finishing even and smooth and curing complete. In cement mortar 1 : 6 (1 cement : 6 fine sand) |
| 78 | 15 mm cement plaster in single layer including cost of materials required and finishing even and smooth and curing complete. In cement mortar 1 : 6 (1 cement : 6 fine sand) |
| 79 | 6 mm cement plaster in single layer including cost of materials required and finishing even and smooth and curing complete. In cement mortar 1 : 3 ( 1 cement : 3 fine sand ) |
| 80 | Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer] : New work ( two or more coats) over and including water thinnable priming coat with cement primer. |
| 81 | Providing and applying plaster of paris putty of 2 m thickness over plastered surface to prepare the surface even and smooth complete. |
| 82 | Finishing walls with premium acrylic smooth exterior paint of required shade of approved brand and manufacture on new work ( two or more coats applied @ 1.43 kg/10 sqm ) over and including base coat water proofing cement paint applied @ 2.20 kg/10 sqm complete. |
| 83 | Applying priming coat: |
| 84 | With ready mixed pink primer of approved brand and manufacture on wood work ( hard & soft wood ). |
| 85 | With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel, galvanised iron / steel work. |
| 86 | Painting with synthetic enamel paint ( two or more coats ) of required colour of approved brand and manufacture on new work to give an even shade. |
| 87 | Grading roof for water proofing treatment complete as required as per direction of the Engineer-in-charge with : |
| 88 | Cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded stone aggregate 20 mm nominal size) |
| 89 | Cement mortar 1:4 (1cement : 4 fine sand) |
| 90 | Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100mm sand cast Iron P or S trap, 10 litre low level white P.V.C. flushingcisternwithmanuallycontrolleddevice(handlelever) conforming to IS : 7231, with all fittings and fixtures complete including cutting and making good the walls and floors wherever required : White Vitreous china Orrisa pattern W.C. pan of size 580x440 mm with integral type foot rests. |
| 91 | Providingandfixingwhitevitreouschinapedestaltypewatercloset (Europeantype W.C.pan)withseatandlid,10litrelowlevelwhite P.V.C.flushing cistern withmanually controlled device (handlelever), 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 |
| 92 | 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 single 15 mm C.P. brass pillar taps. |
| 93 | White Vitreous China Flat back wash basin size 550x400 mm with single 15 mm C.P. brass pillar tap. |
| 94 | Providing and fixing white vitreous china wash basin including making all connections but excluding the cost of fittings: Flat back wash basin of size 550x400mm. |
| 95 | Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. |
| 96 | Semi rigid pipe 32mm |
| 97 | Semi rigid pipe 40mm |
| 98 | Flexible pipe 32mm |
| 99 | Flexible pipe 40mm |
| 100 | Providing and fixing 600x450 mm bevelled edge 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. |
| 101 | Providing and fixing 600x120x5mm glass shelf with edges round of supported on anodised aluminium angle frame with C.P. brass brackets and guard rail complete fixed with 40 mm long screws, rawl plugs etc., complete. |
| 102 | Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931 |
| 103 | Providing and fixing C.P. brass long nose bib cock of approved quality conforming to IS standards and weighing not less than 810 gms. |
| 104 | Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms. |
| 105 | Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931. |
| 106 | Providing and fixing C.P. brass angle valve for basinmixer and geyser points of approved quality conforming to IS:8931 |
| 107 | Providing and fixing PTMT liquid soap container 109mm wide, 125mm high and 112mm distance from wall of standard shape with bracket of the same materials with snap fittings of approved quality and colours weighing not less than 105 gms |
| 108 | Providing and fixing PTMT towel ring trapezoidal shape 215mm long, 200mm wide with a minimum distances of 37mm from wall face with concealed fittings arrangement of approved quality and colours weighing not less than 80 gms |
| 109 | Providing and fixing PTMT soap Dish Holder having length of 138mm, breadth 102mm, height of 75mm with concealed fitting arrangements weighing not less than 106 gms. |
| 110 | Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP brass screws with concealed fitting arrangement of approved quality and colour. 600mm long towel rail with total length of 645mm, width 78mm and effective height of 88mm, weighing not less than 190gms. |
| 111 | Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer in Charge. |
| 112 | 15 mm dia. nominal bore |
| 113 | 20 mm dia. nominal bore |
| 114 | Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement ,trenching ,refilling & testing of joints complete as per direction of Engineer in Charge. |
| 115 | 25 mm nominal outer dia .Pipes. |
| 116 | 32 mm nominal outer dia .Pipes. |
| 117 | Providing and fixing brass bib cock of approved quality : 15 mm nominal bore |
| 118 | Providing and fixing brass stop cock of approved quality : 15 mm dia nominal bore |
| 119 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end): |
| 120 | 25 mm nominal bore |
| 121 | 32 mm nominal bore |
| 122 | Providing and fixing gun metal non-return valve of approved quality (screwed end): |
| 123 | 25 mm nominal bore Vertical |
| 124 | 32 mm nominal bore Vertical |
| 125 | Constructing soak pit 1.20 x 1.20 x 1.20 m filled with brickbats including S.W. drain pipe 100 mm diameter and 1.20 m long complete as per standard design. |
| 126 | Constructing brick masonry chamber for underground C.I. inspection chamber and bends with 1st class bricks in cement mortar 1:4 (1 cement : 4 fine sand) C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover with frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) R.C.C. top slab with 1:2:4 mix (1 cement :2 fine sand : 4 graded stone aggregate 20 mm nominal size) 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 fine sand) finished smooth with a floating coat of neat cement on walls and bed concrete etc. complete as per standard design : Inside dimensions 455x610 mm and 45 cm deep for single pipe line : |
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