CONSTRUCTION OF SHANKHALA FIRE STATION BUILDING AT HEZAMARA UNDER WEST TRIPURA DISTRICT INCLUDING WATER SUPPLY AND SANITARY INSTALLATION 3rd Call

S.H.: EARTH WORK Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means 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

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means 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

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

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5 km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

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.

Supplying chemical emulsion in sealed containers including delivery as specified. a)Chlorpyriphos/Lindane emulsifiable concentrate of 20%

Treatment of soil under plinth filling using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with sand filling: \ With Chlorpyriphos/Lindane E.C. 20% with 1% concentration.

S.H.:CEMENT CONCRETE WORK Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level: a) 1:4:8 ( 1 Cement: 4 fine sand : 8 graded well burnt brick aggregate 40 mm nominal size)

b) 1:3:6 ( 1 Cement: 3 fine sand : 6 graded well burnt brick aggregate 40 mm nominal size)

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.

S.H.: REINFORCED CEMENT CONCRETE WORK Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement A) All work upto plinth level: i) 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

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. i) 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)

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 i) 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size).

Reinforced cement concrete work in vertical and horizontal fins individually or forming box louvers, facias and eaves boards above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with i) 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size).

Centering shuttering including struttings, propping etc.and removal of form work for: (a) Foundations, footings, bases for columns etc. for mass concrete with timber plank.

b) Columns, Pillars, Piers, Abutments, Posts and Struts with timber plank

c) Columns, Pillars, Piers, Abutments, Posts and Struts with timber plank

d) Lintels, beams, plinth beams, girders, bressumers and cantilevers with shuttering ply

E) Lintels, beams, plinth beams, girders, bressumers and cantilevers with timber plank

f) Suspended floors, roofs, landings, balconies and access platform with shuttering ply

g) Walls (any thickness) including attached pilasters, buttresses, plinth and string courses etc. using shuttering ply

h) Stairs (excluding landings) except spiral-staircases with wooden plank

j) Weather shade, chajjas, corbels etc. including edges

k) Vertical and horizontal fins individually or forming box louvers band, facias and eaves boards.

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. (i) Thermo-Mechanically Treated bars of grade Fe-500D or more

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level upto floor five level (i) Thermo-Mechanically Treated bars of grade Fe-500D or more

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. (a) 40 mm thick

S.H.: BRICK WORK First class brick work in foundation and plinth including cost of all materials as required complete:- In cement mortar 1:6 ( 1 cement : 6 fine sand ).

First class brick work in superstructure above plinth level & upto floor-five level including cost of all materials as required complete:- (a) In cement mortar 1:6 ( 1 cement : 6 fine sand ).

Half brick masonry work with first class bricks in foundation and plinth including cost of all materials as required complete:- In cement mortar 1:4 ( 1 cement : 4 fine sand ).

Half brick masonry work with first class bricks in superstructure upto floor five level including cost of all materials as required complete:- (i) In cement mortar 1:4 ( 1 cement : 4 fine sand ).

S.H.: WOOD WORK Providing and fixing T-iron frames for doors, windows and ventilators of mild steel Tee-sections, joints mitred and welded, including fixing of necessary butt hinges and screws and applying a priming coat of approved steel primer. i) Fixing with 15x3 mm lugs 10 cm long embedded in cement concrete block 15x10x10 cm of C.C. 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

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. (i) 35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws.

ii) 25 mm thick (for cupboard) including ISI marked nickel plated bright finished M.S.Piano hinges IS : 3818 marked with necessary screws

Providing and fixing factory made door frame (single rebate) made of solid PVC foam profile with homogenous fine cellular structure having smooth outer integral skin having 60mm width & 30mm thickness and shall be fixed to wall as per instructions of Engineer-In-Charge using 100x8 sheet metal CSK screws.

Providing and fixing 28 mm thick door shutter made of solid PVC foam profile with homogenous fine cellular structure having smooth outer integral skin having 71mm width & 28mm thick as vertical & horizontal styles. Joints are made using solvent adhesive and GI ‘C sections (39mm x 19mm x 0.6mm thick) or M S pipe (40mm x 20mm ) stiffener frame insert & telescopic polymeric ‘L’ corners .The panel shall be filled with 3mm thick high - pressure compact laminate as per manufacturer’s specifications and directions of the Engineer-in-charge, cover moulding shall be provided for covering fixing screws and elegant look.( for W.C. bathroom door shutter).

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 : (a) 300x16 mm

Providing and fixing aluminium tower 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 necessary screws etc. complete : (a) 300x10 mm

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 : (a) 125 mm

Providing and fixing aluminium hanging floor door stopper ISI marked anodised (anodic coating not lessthan grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade with necessary screws etc. complete. (a) Single rubber stopper

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. A) Fixed to openings /wooden frames with rawl plugs screws etc.

Providing and fixing special quality chromium plated brass cupboard locks with six levers including necessary screws etc. complete (Best make of approved quality) of : (i) Size 75 mm

Providing and fixing chromium plated brass handles with necessary screws etc. complete: (i) 125 mm

Providing and fixing IS : 3564 marked aluminium extruded section body tubular type universal hydraulic door closer with double speed adjustment with necessary accessories and screws etc. complete

S.H.: ALUMINIUM WORK 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 of 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, aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawing and the direction of Engineer­in­charge. (Glazing and paneling and dash fasteners to be paid for separately) :- (A) For shutters of doors, windows & ventilators including providing and fixing hinges / pivots and making provision for fixing fittings wherever required including the cost of EPDM rubber / neoprene gasket required ( Fittings shall be paid for separately ):- i) Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15).

B) For fixed portion of approved quality:- (i) Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15).

Providing and fixing glazing of approved quality in aluminium doors, windows, ventilator, shutters and partition etc. with EPDM rubber / neoprene gasket etc. complete as per architectural drawing and the direction of Engineer-in-charge (Cost of snap beading shall be paid in basic item) :- (A) With float glass panes of 4.0 mm thickness ( weight not less than 10.0 kg / sqm )

S.H.: STEEL WORK Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2mm at 100 mm centre to centre and braced with flat iron diagonals 20x5mm size with top and bottom rail of T-iron 40x40x6mm with 40mm dia. steel pulleys & with riveted bolts, nuts, locking arrangement, stoppers, handles, hold fast /anchor bolt including embedding in cement concrete of required grade for fixing in position, all necessary fittings, including applying a priming coat of approved steel primer etc. complete as required.

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, including 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.).

Providing and fixing fan clamp type-I of 16 mm dia M.S. bar bent to shape with hooked ends in R.C.C. slabs during laying including painting the exposed portion of loop, all as per standard design complete.

S.H.: ROOFING WORK Providing and fixing on wall face unplasticised Rigid PVC rain water pipes (working pressure 4 kg / cm2) conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion: a)Single socketed pipe - 110 mm OD

Grading roof for water proofing treatment complete as required as per direction of the Engineer-in-charge with : a) Cement concrete 1:2:4 (1 cement : 2 fine sand : 4 graded stone aggregate 20 mm nominal size)

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specification.

S.H.: FLOORING WORK Providing and laying cement concrete 1:2:4 (1 cement: 2 fine sand : 4 graded well burnt brick aggregate) flooring finished with a floating coat of neat cement including cement slurry, rounding of edges and strips and cost of glass strips etc. complete. (A) 40 mm thick

Providing and fixing Precast chequered cement concrete tiles 18 mm thick, laid in footpath & courtyard, on 20 mm thick bed of cement mortar 1 : 4 ( 1 cement : 4 fine sand ) jointed with neat cement slurry including rubbing and cleaning etc. all complete as per direction of Engineer-in-charge. (i) In dark shade using ordinary cement

80 mm thick factory made C.C interlocking paver block of M-30 Grade Providing and laying factory made chamfered edge cement concrete paver blocks of required strength,thickness & size/shape,made by table vibratory method to attain superior smoothe finish using PU or equivalent moulds,laid in required grey colour & pattern over embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator,filling the joints with fine sand and cutting of paver blocks s per required size and pattern,finishing and sweeping extra sand in foothpath,parks,lawns,drive ways or light traffic parking etc. all complete as per specification and approval/direction of the Engineer-in-charge: a) 80 mm thick C.C paver block of M-35 grade with approved colour,design and pattern.

Providing and fixing 1st class quality ceramic glazed wall tiles 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 etc. all complete as per direction of the Engineer in-charge. a) 450 mm X 300 mm in all shades and design.

Providing and laying 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 - 2017, of approved make, in all colours and shades, laid over 20mm thick cement mortar 1:4 (1 cement : 4 fine sand), jointing with grey cement slurry @ 3.3 kg/ sqm including grouting the joints with white cement and matching pigments etc., complete. A) Double charged Stainfree vitrified tiles i) Size of tile 60x60 cm

Providing and laying 1st class quality ceramic floor tiles in different sizes (thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 2017 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid over 20 mm thick cement mortar 1:4 (1 cement : 4 fine sand), Jointing with grey cement slurry @ 3.3 kg/sqm including pointing the joints with white cement and matching pigment etc. all complete as per direction of the Engineer in-charge. A) Mat Finish Tiles/ Anti-skid Tiles/ Glossy Tiles i) 300 mm x 300 mm in all shades and designs

Providing and fixing Marble stone in floors 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 of matching shade, including rubbing and polishing etc. all complete as per direction of Engineer-in-charge. A) 14 mm thick Marble stone i) Raj Nagar plain marble

Extra for pre-finished nosing to treads of steps of marble stone.

Extra for marble flooring complete in treads of steps and risers using single length upto 2.00 metre.

S.H.: FINISHING WORK 6 mm cement plaster of mix i) In cement mortar 1:3 ( 1 cement : 3 fine sand ).

12 mm cement plaster of mix i) In cement mortar 1:6 ( 1 cement : 6 fine sand ).

15 mm cement plaster on the rough side of single or half brick wall of mix: (i) In cement mortar 1:6 ( 1 cement :6 fine sand ).

Providing18mm thick moulded cement mortar bands in two layers,under layer 12mm thick with cement mortar 1:5 (1cement :5 fine sand) and top layer 6mm thick with cement mortar 1:4 ( 1 cement : 4 fine sand ) complete.

Neat cement punning.

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 grams/ litre, of approved brand and manufacture to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer] : a) New work ( two or more coats) over and including water thinnable priming coat with cement primer.

Finishing walls with premium acrylic smooth exterior paint with Silicon additives of required shade of approved brand and manufacture [Payment shall be made after submission of Test Certificate issued by the Manufacturer] : New work ( two or more coats applied @ 1.43 litre/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Applying priming coat [Payment shall be made after submission of Test Certificate issued by the Manufacturer] : i) With ready mixed Pink or Grey primer of approved brand and manufacture on wood work ( hard & soft wood ).

ii) With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade [Payment shall be made after submission of Test Certificate issued by the Manufacturer]: Two or more coats on new work over an under coat of suitable shade with ordinary paint (primer) of approved brand and manufacture

S.H.:WATER SUPPLY 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. Concealed work including cutting chases and making good the walls etc. (a)15 mm nominal bore

b) 20 mm nominal bore

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall (a) 25 mm nominal bore

b) 40 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete as per CPWD specification and direction of the Engineer - in - charge.(New work) (a) 25 mm nominal bore

b) 40 mm nominal bore

Providing and fixing G.I. pipes of medim class as per IS : 1239 with latest amendment complete with G.I. fittings including trenching and refilling etc. complete as per CPWD specification and direction of the Engineer - in - charge. External work a) 40 mm nominal bore

Painting G.I. pipes and fittings with synthetic enamel white paint with two coats over a ready mixed priming coat, both of approved quality for new work i) 40 mm diameter pipe

Providing and fixing uplasticised PVC connection pipe with brass unions : a) 45 cm length i) 15 mm nominal bore

Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms. i) 15 mm nominal bore

Providing and fixing PTMT grating of approved quality and colour. A) Circular type. i) 100 mm nominal dia.

Cutting holes upto 30x30 cm in walls including making good the same : i) With 1st class bricks.

Cutting holes upto 15x15 cm in R.C.C. floors and roofs for passing drain pipe etc. and repairing the hole after insertion of drain pipe etc. with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including finishing complete so as to make it leak proof.

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.

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.

S.H.:SANITARY INSTALLATIONS, SEWAGE & DRAINAGE 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. flushing cistern 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 : (a)White Vitreous china Orrisa pattern W.C. pan of size 580x440 mm with integral type foot rests.

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 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 : a) W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350mm and 340x410x265mm sizes respectively.

Providing and fixing white vitreous china squatting plate urinal with integral rim longitudinal flush pipe

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 : a)White Vitreous China Wash basin size 630x450 mm with a single 15 mm C.P. brass pillar taps.

Providing and fixing Stainless Steel AISI 304 (18/8) kitchen sink 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 without drain board i) 610x510 mm bowl depth 200 mm.

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.

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.

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. A) 600mm long towel rail with total length of 645mm, width 78mm and effective height of 88mm, weighing not less than 190gms.

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete A) Flexible pipe i) 32 mm dia

Providing and fixing on wall face unplasticised Rigid PVC soil, waste & vent pipes (working pressure 4 kg / cm2) conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion: i) Single socketed pipe - 110 mm OD .

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water, soil, waste & vent pipes pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion (A) Coupler (i) 110 mm OD

(B) Single equal tee without door (i)110x110x110mm

(C) Single equal tee with door (i)110x110x110mm

(D) Bend 87.5° (i)110mm

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water, soil, waste & vent pipes by means of 50x50x50mm hard wood plugs, screwed with M.S. screws of required length including cutting brick work and fixing with cement mortar 1 : 4 (1cement : 4 fine sand) making good the wall etc. complete a)110mm

Providing and fixing to the inlet mouth of rain water, soil, waste & vent pipes pipe PTMT grating with thickness of 8mm and weighing not less than 100gm a)110mm

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 : i) Inside dimensions 455x610 mm and 45 cm deep for single pipe line :

Making soak pit 2.5 m diameter 3.0 metre deep with 45 x 45 cm dry brick honey comb shaft with well burnt 2nd class bricks and S.W. drain pipe 100 mm diameter, 1.8 m long complete as per standard design.

S.H.: MINI DEEP TUBEWELL Drilling and boring pilot hole in any soil strata by manual means, collection of soil samples of different strata met with during drilling at variuse suitable levels, preservation of samples in polythene bags/ sample box and disposal of excess soil or mud, including the cost of water etc, as required to mantain the pilot hole properly as per specification and direction of the Engineer-in charge. (i) 100mm dia

Reaming of pilot hole to an enlarged bore hole in any soil strata by manual means, disposal of excess soil or mud, including the cost of water etc, as required to mantain the pilot hole properly as per specification and direction of the Engineer-in charge.(i) From 100mm dia pilot hole to 250mm bore hole

Providing and lowering of PVC pipe of UPVC pipe as per IS:12818 after washing of the bore hole by manual means as per specification and direction of the Engineer-in-charge. (A) CM Casing pipe (UPVC) (i) 100mm dia

B) RS pipe (i) 100 mm dia

Washing and development of tube well by using hand pump or by any suitable method and testing of the well as per specification and direction of the Engineer in charge.

Providing and shrouding of the deep tube well assembly with washed pea gravels (2.0 - 4.75 mm effective size) as per specification (IS: 4097) and direction of the Engineer in charge. (A) With contractor rig (i) with pea gravels obtained from Durgapur, West Bengal

Providing and fixing of UPVC end cap/ well cap suitable for UPVC 'CM' casing or 'CS' casing or RS pipe as per specification and direction of the Engineer in charge.(i) 100 mm dia

Providing and fitting fixing GI bend/ elbow in the pipe line including testing of joints complete as per CPWD specification and direction of Engineer in charge.

Supplying & installation of water libricated Submersible pump having ISI marked capacity 1000 GPH at total head upto 60mtr cuple with submersible motor 2 HP (Havells or equivalent) suitable for 220 voltas (+105 variation single phase 50HP AC supply DOL starting method to run at 2790 RPM along with 35 mtr 2.5 Sqm cables including fitting fixing and lowering it with 40 mm dia G.I pipe upto 100 Ft (30.00 mtr) etc complete as per direction of the Engg In Charge .(GI pipe and fittings will be paid separately).

Supplying and fitting fixing of single phase motor starter panel unit 3 HP capacity comprising with 2 pole conductor , over load relay capacitor , voltsmeter and amp meter of BCH/L&T mark with necessary copper wire etc complete as per direction of engineer in charge.

Supplying and fitting fixing of 2 HP monoblock pump set (pump and motor) of ISI marked of approved quality (crompton greaves or equivalent ) including electric installation by providing delta starter etc. with necessary connection on a suitable base with delivary and suction line complete as per direction of engineer in charge.

Providing and fitting fixing of safety wire for submersible motor as per direction of the engineer in charge.

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