Open tender for Provision of double story barrack for SO;s and staff at 08 BN RPSF CRJ.

Item- 1 Items of schedule-B (Items of DSR-2023)

S No. Item No Description of Item Unit Qty Rate Amount

1.0 CARRIAGE OF MATERIALS

By Mechanical Transport including loading,

unloading and stacking

1.1.2 Earth

2.0 EARTH WORK

2.1S General

Earth work in excavation by mechanical

means (Hydraulic excavator)/manual means

over areas (exceeding 30 cm in depth, 1.5 m

2.6 in width as well as 10 sqm on plan) including

getting out and disposal of excavated earth

lead upto 50 m and for all lift, as directed by

Engineer-in-charge.

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

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),

2.8 including dressing of sides and ramming of

bottoms, for all lift, including getting out the

excavated soil and disposal of surplus

excavated soil as directed, within a lead of 50

2.25 Filling available excavated earth (excluding cum 420 196 82320

rock) in trenches, plinth, sides of foundations

etc. in layers not exceeding 20 cm in depth,

consolidating each deposited layer by

ramming and watering, lead up to 50 and for

2.27 Supplying and filling in plinth with sand under cum 82 2123.75 174147.5

5 floors, including watering, ramming,

consolidating and dressing complete.

Surface dressing of the ground including

removing vegetation and in-equalities not

exceeding 15 cm deep and disposal of

rubbish, lead up to 50 m and lift up to 1.5 m.

2.31 Clearing jungle including uprooting of rank Sqm 100 17.6 1760

vegetation, grass, brush wood, trees and

saplings of girth up to 30 cm measured at a

height of 1 m above ground level and removal

of rubbish up to a distance of 50 m outside the

periphery of the area cleared.

Felling trees of the girth (measured at a

height of 1 m above ground level), including

2.33 cutting of trunks and branches, removing the

roots and stacking of serviceable material and

disposal of unserviceable material.

2.33.1 Beyond 30 cm girth upto and including 60 cm Each 4 532.35 2129.4

2.33.2 Beyond 60 cm girth upto and including 120 Each 4 2373.5 9494

4.0 CONCRETE WORK

4.1S CEMENT CONCRETE (CAST IN SITU)

Providing and laying in position cement

concrete of specified grade excluding the cost

of centering and shuttering - All work up to

derived from natural sources : 4 graded stone

aggregate 20 mm nominal size derived from

natural sources)

5.0 REINFORCEMENT CEMENT CONCRETE

5.1S CAST IN SITU

Providing and laying in position specified

grade of reinforced cement concrete,

5.1 excluding the cost of centering, shuttering,

finishing and reinforcement - All work up to

derived from natural sources : 3 graded stone

aggregate 20 mm nominal size derived from

natural sources)

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

Reinforced cement concrete work in walls (any

thickness), including attached pilasters,

buttresses, plinth and string courses, fillets,

5.2 columns, pillars, piers, abutments, posts and

struts etc. above plinth level up to floor five

level, excluding cost of centering, shuttering,

finishing and reinforcement :

derived from natural sources : 3 graded stone

aggregate 20 mm nominal size derived from

natural sources)

5.9S FORM WORK

Centering and shuttering including strutting,

propping etc. and removal of form for

5.9.1 Foundations, footings, bases of columns, etc. Sqm 71 392.15 27842.65

for mass concrete

5.9.3 Suspended floors, roofs, landings, balconies Sqm 780 927.25 723255

and access platform

5.9.5 Lintels, beams, plinth beams, girders, Sqm 710 736.4 522844

bressummers and cantilevers

5.9.6 Columns, Pillars, Piers, Abutments, Posts and Sqm 515 961.3 495069.5

5.12S PRE-CAST RCC

5.12 Providing, hoisting and fixing above plinth cum 1 10585.9 10585.9

level up to floor five level precast reinforced

cement concrete work in string courses,

bands, copings, bed plates, anchor blocks,

plain window sills and the like, including the

17 cost of required centering, shuttering but ,

excluding cost of reinforcement with 1:1.5:3

(1 cement : 1.5 coarse sand (zone-III) derived

from natural sources : 3 graded stone

aggregate 20 mm nominal size derived from

natural sources).

5.22S STEEL REINFORCEMENT

Steel reinforcement for R.C.C. work including

straightening, cutting, bending, placing in

position and binding all complete upto plinth

5.22.6 Thermo-Mechanically Treated bars of grade Kg 13500 107.85 1455975

Fe-500D or more.

Steel reinforcement for R.C.C. work including

straightening, cutting, bending, placing in

position and binding all complete above plinth

5.22A.6 Thermo-Mechanically Treated bars of grade Kg 31500 107.85 3397275

Fe-500D or more.

5.33S DESIGN MIX CONCRETE

Providing and laying in position ready mixed

or site batched design mix cement concrete

for reinforced cement concrete work; using

coarse aggregate and fine aggregate derived

from natural sources, Portland Pozzolana /

Ordinary Portland /Portland Slag cement,

admixtures in recommended proportions as

per IS: 9103 to accelerate / retard setting of

concrete, to improve durability and

w o r k a b i l i t y without impairing strength;

including pumping of concrete to site of

laying, curing, carriage for all leads; but

excluding the cost of centering, shuttering,

finishing and reinforcement as per direction of

the engineer-in-charge, for the following

grades of concrete.:

5.33.1 All works upto plinth level

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

5.33.1.1 Concrete of M25 grade with minimum cement cum 288 9504.75 2737368

content of 330 kg /cum

5.33.2 All works above plinth level upto floor V level

5.33.2.1 Concrete of M25 grade with minimum cement cum 202 9860.4 1991800.8

content of 330 kg /cum

5.35 Add for using extra cement in the items of Quintal 95 733.5 69682.5

22 design mix over and above the specified

cement content therein.

6.0 MASONRY WORK

6.1S General

Brick work with common burnt clay F.P.S. (non

6.1 modular) bricks of class designation 7.5 in

foundation and plinth in:

Brick work with common burnt clay F.P.S. (non

modular) bricks of class designation 7.5 in

superstructure above plinth level up to floor V

level in all shapes and sizes in :

6.12S HALF BRICK MASONRY

Half brick masonry with common burnt clay

6.12 F.P.S. (non modular) bricks of class

designation 7.5 in foundations and plinth in :

Half brick masonry with common burnt clay

F.P.S. (non modular) bricks of class

designation 7.5 in superstructure above plinth

level up to floor V level.

8.0 CLADDING WORK

8.20S STONE WORK DRY CLADDING

8.31 Providing and fixing Ist quality ceramic glazed Sqm 350 1267.95 443782.5

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 @ 3.3kg per sqm, including pointing in

white cement mixed with pigment of matching

shade complete.

9.0 WOOD AND P.V.C. WORK

9.1S FRAMES AND TRUSSES

Providing wood work in frames of doors,

windows, clerestory windows and other

frames, wrought framed and fixed in position

with hold fast lugs or with dash fasteners of

required dia & length (hold fast lugs or dash

fastener shall be paid for separately).

Providing and fixing ISI marked flush door

shutters conforming to IS : 2202 (Part I)

decorative type, core of block board

9.20 construction with frame of 1st class hard

wood and well matched teak 3 ply veneering

with vertical grains or cross bands and face

veneers on both faces of shutters.

9.20.2 30 mm thick including ISI marked Stainless Sqm 78 3167.95 247100.1

Steel butt hinges with necessary screws

COPER OXIDISED MILD STEEL FITTINGS

(COPPER OXIDISED AS PER IS: 1378)

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

Providing and fixing ISI marked oxidised M.S.

9.62 sliding door bolts with nuts and screws etc.

complete (Copper oxidised as per IS 1378)

ANODISED ALUMINIUM FITTINGS (ALL

FITTINGS SHALL BE ISI MARKED)

Providing and fixing aluminium tower bolts, ISI

marked, anodised (anodic coating not less

9.97 than grade AC 10 as per IS : 1868 )

transparent or dyed to required colour or

shade, with necessary screws etc. complete :

Providing and fixing aluminium handles, ISI

marked, anodised (anodic coating not less

9.100 than grade AC 10 as per IS : 1868)

transparent or dyed to required colour or

shade, with necessary screws etc. complete :

9.105S GYPSUM BOARD PARTITIONS

9.118 Providing and fixing to existing door frames.

9.118.3 25 mm thick PVC flush door shutters made out Sqm 55 3068.85 168786.75

of a one piece Multi chamber extruded PVC

section of the size of 762 mm X 25 mm or less

as per requirement with an average wall

thickness of 1 mm ( +/- 0.3 mm). PVC foam

end cap of size 23x10 mm are provided on

both vertical edges to ensure the overall

thickness of 25 mm. M.S. tube having

dimensions 19 mm x 19 mm and 1.0 mm ( +/-

0.1 mm) is inserted along the hinge side of

33 the door. Core of the door shutter should be

filled with High Density Polyurethane foam.

The Top & Bottom edges of the shutter are

covered with an end-cap of the size 25 mm X

11 mm. Door shutter shall be reinforced with

special polymeric reinforcements as per

manufacturer's specification and direction of

Engineer-in-charge to take up necessary

hardware and fixtures. Stickers indicating the

locations of hardware will be pasted at

appropriate places

9.119 Providing and fixing factory made P.V.C. door Metre 136 492.7 67007.2

frame of size 50x47 mm with a wall thickness

of 5 mm, made out of extruded 5 mm rigid

PVC foam sheet, mitred at corners and joined

with 2 Nos of 150 mm long brackets of 15x15

mm M.S. square tube, the vertical door frame

34 profiles to be reinforced with 19x19 mm M.S.

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

using M.S. screws of 65/100 mm size,

complete as per manufacturer's specification

and direction of Engineer- in-Charge.

Providing & Fixing decorative high pressure

laminated sheet of plain / wood grain in gloss /

matt/ suede finish with high density protective

9.127 surface layer and reverse side of adhesive

bonding quality conforming to IS : 2046 Type

S, including cost of adhesive of approved

10.0 STEEL WORK

10.1S General

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

10.3 Providing and fixing in position collapsible Sqm 7 11439.6 80077.2

steel shutters with vertical channels 20x10x2

mm and braced with flat iron diagonals 20x5

mm size, with top and bottom rail of T-iron

36 40x40x6 mm, with 40 mm dia steel pulleys,

complete with bolts, nuts, locking

arrangement, stoppers, handles, including

applying a priming coat of approved steel

Steel work welded in built up sections/ framed

work, including cutting, hoisting, fixing in

10.25 position and applying a priming coat of

approved steel primer using structural steel

etc. as required.

10.25.2 In gratings, frames, guard bar, ladder, railings, Kg 1250 172.6 215750

brackets, gates and similar works

10.28 Providing and fixing stainless steel ( Grade Kg 200 772.4 154480

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.).

11.0 FLOORING

11.37S CERAMIC GLAZED TILES

11.38 Providing and laying Ceramic glazed floor tiles Sqm 65 1315.3 85494.5

of size 300x300 mm (thickness to be specified

by the manufacturer), of 1st quality

conforming to IS : 15622, of approved make,

in all colours, shades, except White, Ivory,

39 Grey, Fume Red Brown, laid on 20 mm thick

bed of cement mortar 1:4 (1 Cement : 4

Coarse sand), jointing with grey cement slurry

@ 3.3 kg/ sq.m including pointing the joints

with white cement and matching pigments

etc., complete.

11.41S VITRIFIED FLOOR TILES

Providing and laying Vitrified tiles in floor in

different sizes (thickness to be specified by

the manufacturer) with water absorption less

than 0.08% and conforming to IS:15622, of

approved brand & manufacturer, in all colours

and shade, laid on 20 mm thick cement

mortar 1:4 (1 cement: 4 coarse sand) jointing

with grey cement slurry @3.3 kg/sqm

including grouting the joints with white

cement and matching pigments etc. The tiles

must be cut with the zero chipping diamond

cutter only . Laying of tiles will be done with

the notch trowel, plier, wedge, clips of

required thickness, leveling system and

rubber mallet for placing the tiles gently and

Glazed vitrified floor tiles polished finish of

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

Providing and laying flamed finish Granite

stone flooring in required design and patterns,

in linear as well as curvilinear portions of the

building all complete as per the architectural

drawings with 18 mm thick stone slab over 20

mm (average) thick base of cement mortar

1:4 (1 cement : 4 coarse sand) laid and

jointed with cement slurry and pointing with

white cement slurry admixed with pigment of

matching shade including rubbing, curing and

polishing etc. all complete as specified and as

directed by the Engineer-in-Charge :

11.55.1 Flamed finish granite stone slab Jet Black, Sqm 65 3186.7 207135.5

41 Cherry Red, Elite Brown, Cat Eye or

12.0 ROOFING

12.37S RAIN WATER SPOUT AND PIPE

Providing and fixing on wall face unplasticised

Rigid PVC rain water pipes 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

Providing and fixing on wall face unplasticised

- PVC moulded fittings/ accessories for

unplasticised Rigid PVC rain water pipes

conforming to IS : 13592 Type A, including

jointing with seal ring conforming to IS : 5382,

leaving 10 mm gap for thermal expansion.

12.42.3 Single tee with door

12.42.5 Bend 87.5 degree

13.0 FINISHING

13.1S CEMENT PLASTER (IN FINE SAND)

13.1 12 mm cement plaster of mix :

CEMENT PLASTER WITH A FLOATING COAT OF

12 mm cement plaster finished with a floating

coat of neat cement of mix :

13.16S 6 mm CEMENT PLASTER

13.16 6 mm cement plaster of mix :

13.20S PEBBLE DASH PLASTER

13.26 Providing and applying plaster of paris putty Sqm 2450 262.7 643615

of 2 mm thickness over plastered surface to

prepare the surface even and smooth

13.37S INTERIOR FINISHING

Distempering with 1st quality acrylic

distemper (ready mixed) having VOC content

less than 50 gram/litre, of approved

manufacturer and of required shade and

colour all complete to achieve even shade and

13.41.1 New work (two or more coats) over and Sqm 2450 185.65 454842.5

including water thinnable priming coat with

cement primer having VOC content less than

13.44S EXTERIOR FINISHING

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

Finishing walls with water proofing cement

paint of required shade :

13.44.1 New work (Two or more coats applied @ 3.84 Sqm 650 116.9 75985

Painting with synthetic enamel paint of

13.61 approved brand and manufacture to give an

15.0 DISMANTLING AND DEMOLISHING

15.1S General

Demolishing cement concrete manually/ by

mechanical means including disposal of

material within 50 metres lead as per

direction of Engineer - in - charge.

(including equivalent design mix)

15.3 Demolishing R.C.C. work manually/ by cum 2 3551.25 7102.5

mechanical means including stacking of steel

53 bars and disposal of unserviceable material

within 50 metres lead as per direction of

Engineer - in- charge.

Demolishing brick work manually/ by

mechanical means including stacking of

15.7 serviceable material and disposal of

unserviceable material within 50 metres lead

as per direction of Engineer-in-charge.

16.0 ROAD WORK

16.1S ROADS

Dry brick pitching half brick thick in drains

16.12 including supply of bricks and preparing the

surface complete :

16.12.1 With common burnt clay F.P.S. (non modular) Sqm 1000 644.05 644050

bricks of class designation 7.5

16.49S MISCELLANEOUS

Manufacturing, supplying and fixing retro

reflective overhead signage boards made up

of 2 mm thick aluminium sheet, face to be

fully covered with high intensity and

encapsulated lens type heat activated retro

reflective sheeting conforming to type - III of

ASTM-D-4956-01 as approved by Engineer-in-

charge, letters, borders etc. as per IRC : 67-

2001 in silver white with blue colour back

ground and with high intensity grade, pasted

on substrate by pressure sensitive adhesive

backing which shall be activated by applying

pressure conforming to class II of ASTM-D-

4956-01 and fixing the same to the plate of

structural frame work by means of suitable

16.60 sized aluminium alloys, rivets or bolts & nuts

@ 300 mm centre to centre all along the

periphery as well as in two vertical rows along

with theft resistant measures, including the

cost of painting with two or more coats of

epoxy paint in grey colour on the back side of

aluminium sheet including appropriate

priming coat. The rate includes the cost of

rounding off the corners, lowering down the

structural frame work from the gantry, fixing

and erecting the same in position all complete

as per drawings, specification and direction of

the engineer-in-charge.(Structural frame work

including M.S. plate to be provided separately.

Rectangular area of the sheet only shall be

measured for payment).

56 16.60.1 Overhead informatory road signage Sqm 10 5879.9 58799

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

17.0 SANITARY INSTALLATIONS

17.1S General

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,

17.1 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

17.1.1 White Vitreous china Orissa pattern W.C. pan Each 4 6767.4 27069.6

57 of size 580x440 mm with integral type foot

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

17.2 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

17.2.1 W.C. pan with ISI marked white solid plastic Each 24 6515.55 156373.2

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

17.7.4 White Vitreous China Flat back wash basin Each 28 1879.2 52617.6

59 size 550x 400 mm with single 15 mm C.P.

brass pillar tap

Providing and fixing P.V.C. waste pipe for sink

17.28 or wash basin including P.V.C. waste fittings

17.28.1 Semi rigid pipe

17.31 Providing and fixing 600x450 mm bevelled Each 28 1607.95 45022.6

edge mirror of superior glass (of approved

61 quality) complete with 6 mm thick hard board

ground fixed to wooden cleats with C.P. brass

screws and washers complete.

Providing and fixing PTMT towel rail complete

with brackets fixed to wooden cleats with CP

brass screws with concealed fittings

arrangement of approved quality and colour.

17.73.2 600 mm long towel rail with total length of Each 28 708.95 19850.6

62 645 mm, width 78 mm and effective height of

88 mm, weighing not less than 190 gms.

18.0 WATER SUPPLY

18.4S PP-R PIPES

Providing and fixing 3 layer PP-R (Poly

propylene Random copolymer) pipes

confirming to IS 15801, UV stabilized & anti -

microbial fusion welded, having thermal

stability for hot & cold water supply, including

18.4 all PP - R plain & brass threaded polypropylene

random fittings and fixing the pipe with

clamps at 1.00 m spacing. This includes

testing of joints complete as per direction of

Engineer-in-Charge. ( Internal Exposed on

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

18.6A Providing and fixing PPR Unions

18.7S C.P.V.C. PIPES

Providing and fixing Chlorinated Polyvinyl

Chloride (CPVC) pipes, having thermal stability

for hot & cold water supply, including all CPVC

plain & brass threaded fittings and 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.

Making connection of G.I. distribution branch

with G.I. main of following sizes by providing

and fixing tee, including cutting and threading

the pipe etc. complete :

18.15S BRASS FITTINGS

Providing and fixing gun metal gate valve with

C.I. wheel of approved quality (screwed end) :

Providing and fixing ball valve (brass) of

18.18 approved quality, High or low pressure, with

plastic floats complete :

C.I. SLUICE VALVES/ FIRE HYDRANTS &

18.48 Providing and placing on terrace (at all floor Per 8000 11 88000

levels) polyethylene water storage tank, IS : Litre

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.

18.49S C.P. BRASS FITTINGS

Providing and fixing C.P. brass bib cock of

approved quality conforming to IS:8931 :

Providing and fixing C.P. brass angle valve for

18.53 basin mixer and geyser points of approved

quality conforming to IS:8931

18.54S PTMT FITTINGS

Providing and fixing PTMT bib cock of

approved quality and colour.

18.54.1 15 mm nominal bore, 86 mm long, weighing Each 28 125.6 3516.8

not less than 88 gms

18.59S AIR VALVE & WATER METER (BULK TYPE)

Providing and fixing unplasticised P.V.C.

18.74 connection pipe with PTMT Nuts, collar and

bush of approved quality and colour.

21.0 ALUMINIUM WORK

21.1S General

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

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,

Aluminium snap beading for glazing /

panelling, C.P. brass / stainless steel screws,

all complete as per architectural drawings and

the directions of Engineer-in-charge. (Glazing,

panelling and dash fasteners to be paid for

For shutters of doors, windows & ventilators

including providing and fixing hinges/ pivots

and making provision for fixing of fittings

wherever required including the cost of EPDM

rubber / neoprene gasket required (Fittings

shall be paid for separately)

21.1.2.1 Anodised aluminium (anodised transparent or Kg 700 598.6 419020

77 dyed to required shade according to IS: 1868,

Minimum anodic coating of grade AC 15)

Providing and fixing glazing in aluminium

door, window, ventilator shutters and

partitions etc. with EPDM rubber / neoprene

21.3 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):

21.3.1 With float glass panes of 4.0 mm thickness Sqm 34 1176.8 40011.2

(weight not less than 10kg/sqm)

23.0 RAIN WATER HARVESTING & TUBEWELLS

23.1S General

Boring/drilling bore well of 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, upto 90 metre

depth below ground level.

23.1.1 All types of soil

23.1.2 Rocky strata including Boulders

Supplying, assembling, lowering and fixing in

vertical position in bore well, unplasticized

PVC medium well casing (CM) pipe of required

23.3 dia, conforming to IS: 12818, including

required hire and labour charges, fittings &

accessories etc. all complete, for all depths,

as per direction of Engineer -in-charge.

Supplying, assembling, lowering and fixing in

vertical position in bore well unplasticized PVC

medium well screen (RMS) pipes with ribs,

23.4 conforming to IS: 12818, including hire &

labour charges, fittings & accessories etc. all

complete, for all depths, as per direction of

Engineer-in-charge.

ASANSOL DIVISION-ENGINEERING/EASTERN RLY

23.6 Supplying, filling, spreading & leveling gravels cum 60 1538.25 92295

of size range 5 mm to 10 mm, in the recharge

pit, over the existing layer of boulders, in

required thickness, for all leads & lifts, all

complete as per direction of Engineer-in-

23.7 Supplying, filling, spreading & leveling coarse cum 4 1538.25 6153

sand of size range 1.5 mm to 2 mm in

84 recharge pit, in required thickness over gravel

layer, for all leads & lifts, all complete as per

direction of Engineer -in-charge.

23.12 Development of tube well in accordance with Hour 4 1085.05 4340.2

IS : 2800 (part I) and IS: 11189, to establish

maximum rate of usable water yield without

sand content (beyond permissible limit), with

required capacity air compressor, running the

compressor for required time till well is fully

developed, measuring yield of well by V notch

method or any other approved method,

measuring static level & draw down etc. by

step draw down method, collecting water

samples & getting tested in approved

laboratory, including disinfection of tubewell,

all complete, including hire & labour charges

of air compressor, tools & accessories etc., all

as per requirement and direction of Engineer-

Providing and fixing suitable size threaded

mild steel cap or spot welded plate to the top

23.13 of bore well housing/ casing pipe, removable

as per requirement, all complete for borewell

Providing and fixing M.S. clamp of required dia

to the top of casing/ housing pipe of tubewell

as per IS: 2800 (part I), including necessary

bolts & nuts of required size complete.

Providing and fixing Bail plug/ Bottom plug of

23.15 required dia to the bottom of pipe assembly of

tubewell as per IS:2800 (part I).