Carrying out Balance work of Construction of Over Head Tank no.02 and associated works at NTPC Township Works, Barh, Bihar at risk and cost of previou

Name of work: "Carrying out Balanced work of Construction of Over Head Tank No. 02 and other associated works at NTPC Township Works,

Barh, Bihar in risk and cost of previous agency"

Item No. Rate at which

in thr DSR- item was

Balanced Amount

SL No. used in Description of Item Unit Awarded in

original Original

1 1.1 By mechanical transport including loading, unloading and stacking

Lime, moorum, building rubbish, earth, manure or sludge and excavated

1.1.1 ii ) Earth , Lead up to 2 K.m Cum 0 83.16 0

Earth work in excavation over areas (exceeding 30 cm in depth, 1.5 m in

2 2.6 width as well as 10 sqm on plan) including disposal of excavated earth, lead

upto 50 m and 1.5 m, disposed earth to be leveled and neatly dressed.

2.1 2.6.1 All kinds of soil Cum 0 194.04 0

Excavating trenches of required width for pipes, cables, etc. including

excavation for sockets, and dressing of sides, ramming of bottom, depth up to

1.5 m including getting out the excavated soil, and then returning the soil as

required, in layers not exceeding 20 cm in depth including consolidating each

deposited layer by ramming, watering, etc. and disposing of surplus

excavated soil as directed, within a lead of 50m.

3.1 2.10.1 All kinds of soil

4 2.10.1.2 Pipes, cables, etc. exceeding 80 mm dia but not exceeding 300 mm dia. Metre 2000.00 182.952 365904.00

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 upto 50 metre and lift upto

6 2.27 Extra for every additional lift of 1.5 m or part thereof in:

6.1 2.27.1 All kinds of soil Cum 0 49.896 0

Providing and laying in position cement concrete of specified grade excluding

the cost of centering and shuttering - All work upto plinth level.

7.1 4.5.3 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) Cum 0 5654.88 0

7.2 4.5.6 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) Cum 0 5544.00 0

Extra for providing and mixing water proofing material 'Impermo' in cement kg. Of

concrete work @ 1 kg per 50 kg of cement. cement

Centering and shuttering including strutting, propping etc. and removal of

9.1 5.14.1 Foundations, footings, bases of columns etc. for mass concrete. Sqm 0 388.08 0

Brick work with F.P.S. bricks of class designation 75 in foundation and plinth

10.1 6.1.14 Cement mortar 1:6( 1cement :6 coarse sand) Cum 20.00 5433.12 108662.40

11 6.3 Extra for Brick work in superstructure above plinth level upto floor V level. Cum 10.00 332.64 3326.40

Half brick masonry with bricks of class designation 75 in foundations and

12.1 6.18.4 Cement mortar 1:4 (1 cement : 4 coarse sand) Sqm 100.00 997.92 99792.00

Extra for half Brick masonry in superstructure above plinth level upto floor V

Providing and fixing flush door shutters 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

veneers on both faces of shutters:

Digitally signed by PRIYA

35 mm thick including ISI marked Stainless Steel butt hinges with necessary

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.

15.1 9.82.1 Fixed to steel windows by welding K.g. 102.00 121.968 12440.74

Providing and fixing ISI marked oxidized M.S. tower bolt black finish, (Barrel

type) with necessary screws etc. complete :

Providing and fixing ISI marked oxidized M.S. handles conforming to IS :4992

with necessary screws etc. complete:

Providing and fixing aluminum sliding door bolts ISI marked anodized

18 9.218 (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:

Providing and fixing aluminum hanging floor door stopper ISI marked

anodized (anodic coating not less than grade AC 10 as per IS:1868)

transparent or dyed to required colour and shade with necessary screws etc.

19.1 9.223.2 Twin rubber stopper Each 2.00 121.968 243.94

Providing and fixing ISI marked steel glazed doors, windows and ventilators

of standard rolled steel sections, joints mitered welded with 15x3mm lugs,

10cm long, embedded in cement concrete blocks 15x10x10cm of 1:3:6 (1

cement :3 coarse sand :6 graded stone aggregate 20 mm nominal size) or with

wooden plugs and screws or rawl plugs and screws or with fixing clips or

with bolts and nuts as required, including providing fixing of glass panes

with glazing clips and special metal-sash putty of approved make complete

including applying a priming coat of approved steel primer, excluding the

cost of metal beading and other fitting except necessary hinges or pivots as

20.1 10.12.6 In composite units of doors, windows and ventilators

20.1.1 10.12.6.1 For overall portion treated as fixed. Sqm 20.00 3215.52 64310.40

Providing and fixing T-iron frames for doors, windows and ventilators of

mild steel Tee-sections, joints mitered and welded with 15x3 mm lugs 10cm

long embedded in cement concrete block 15x10x10cm of 1:3:6(1 cement :3

21 10.14 coarse sand :6 graded stone aggregate 20 mm nominal size) or with wooden K.G 100.00 116.424 11642.40

plugs and screws or rawl plugs and screws or with fixing clips or with bolts

and nuts as require including fixing of necessary butt hinges and screws and

applying a priming coat of approved steel primer.

Welding by gas or electric plant including transportation of plant at site etc.

Steel work welded in built up sections/framed work including cutting

23 10.32 hoisting, fixing in position and applying a priming coat of approved steel

primer using structural steel etc. as required.

In gratings, frames, guard bar, ladders, railings, brackets, gates & similar

Cement concrete flooring 1:2:4 (1 cement: 2 coarse sand: 4 graded stone

24 11.4 aggregate) finished with a floating coat of neat cement including cement

slurry, but excluding the cost of nosing of steps etc. complete.

24.1 11.4.2 40 mm thick with 20 mm nominal size stone aggregate Sqm 18.00 565.488 10178.78

25 13.14 12 mm cement plaster of finished with a floating coat of neat cement of mix:

26 13.70 White washing with lime to give an even shade:

26.1 13.70.1 New work (three or more coats) Sqm 300.00 27.72 8316.00

Finishing walls with Acrylic Smooth exterior paint "Trump" of M/S Snowcem

India Ltd., or equivalent of required shade

Digitally signed by PRIYA

New work (Two or more coats applied @ 1.67 ltr/10 sqm over and including

27.1 13.79B.1 base coat of water proofing cement paint "Snowcem Plus" or equivalent Sqm 33.92 127.512 4325.21

applied @ 2.20 kg/10sqm)

Painting with synthetic enamel paint of approved brand and manufacture of

required colour to give an even shade:

Two or more coats on new work over an under coat of suitable shade with

ordinary paint of approved brand and manufacture.

Making plinth protection 50 mm thick of cement concrete 1:3:6 (1 cement: 3

coarse sand: 6 graded stone aggregate 20 mm nominal size) over 75 mm bed

of dry brick ballast 40 mm nominal size well rammed and consolidated and

grouted with fine sand including finishing the top smooth.

Demolishing R.C.C. work manually/ by mechanical means including stacking

30 15.3 of steel bars and disposal of unserviceable material within 50 metres lead as cum 0 1607.76 0

per direction of Engineer - in- charge.

Brick edging 7 cm wide 11.4 cm deep to plinth protection with bricks of class

31 16.15 designation 75 including grouting with cement mortar 1:4 (1 cement : 4 fine Metre 20.00 94.248 1884.96

Providing and fixing brass ferrule with C.I. mouth cover including boring and

tapping the main

Providing and laying S&S C.I. standard specials such as tees, bends, collars,

tapers, caps etc. (Heavy class)

Providing and laying flanged C.I. standard specials such as tees, bends,

collars, tapers, caps etc. suitable for flanged jointing as per IS: 1538

Providing and laying S&S centrifugally cast (spun) iron pipes (class LA)

35 20.27 conforming to IS - 1536:

Providing lead caulked joints to spun iron or C.I. pipes and specials including

testing of joints but excluding the cost of pig lead

36.4 20.46 Supplying pig lead at site of work. Quintal 6.00 19925.136 119550.82

Providing flanged joints to double flanged C.I/ D.I pipes and specials

including of joints

Providing and fixing C.I. sluice valves (with cap) of approved brand complete

38 20.48 with bolts, nuts, rubber insertion,Handle etc. with tail pieces as per

38.1 20.48.2 100 mm diameter

39 20.48.4 150 mm diameter

40 20.48.5 200 mm diameter

41 20.48.6 250 mm diameter

Digitally signed by PRIYA

Constructing masonry Chamber 30x30x50 cm, inside with 75 class

designation brick work in cement mortar 1:5 (1 cement: 5 fine sand) for stop

cock, with C.I. surface box 100x100x75 mm (inside) with hinged cover fixed in

cement concrete slab 1:2:4 mix (1 cement: 2 coarse sand: 4 graded stone

42 20.50 aggregate 20 mm nominal size) necessary excavation foundation concrete

1:5:10 (1 cement: 5 fine sand: 10 graded stone aggregate 40 mm nominal size)

and inside plastering with cement mortar 1:3 ( 1 cement: 3 coarse sand) 12

mm thick finished with a floating coat of neat cement complete as per

standard design.

Constructing masonry Chamber 60x60x75 cm, inside with 75 class

designation brick work in cement mortar 1:5 (1 cement: 5 fine sand) for sluice

valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter

and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1

43 20.51 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 40 mm nominal size) and inside plastering with

cement mortar 1:3 ( 1 cement: 3 coarse sand) 12 mm thick finished with a

floating coat of neat cement complete as per standard design.

Constructing masonry Chamber 90x90x100 cm, inside with 75 class

designation brick work in cement mortar 1:5 (1 cement: 5 fine sand) for sluice

valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter

and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1

44 20.52 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 40 mm nominal size) and inside plastering with

cement mortar 1:3 ( 1 cement: 3 coarse sand) 12 mm thick finished with a

floating coat of neat cement complete as per standard design.

Constructing masonry Chamber 120x120x100 cm, inside with 75 class

designation brick work in cement mortar 1:5 (1 cement: 5 fine sand) for sluice

valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter

and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1

45 20.53 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 40 mm nominal size) and inside plastering with

cement mortar 1:3 ( 1 cement: 3 coarse sand) 12 mm thick finished with a

floating coat of neat cement complete as per standard design.

Constructing masonry Chamber 60x60x75 cm, inside with 75 class

designation brick work in cement mortar 1:5 (1 cement: 5 fine sand) for fire

hydrants, with C.I. surface box 350x350 mm top and 165 mm deep (inside)

with chained lid and RCC top slab 1:2:4 mix (1 cement: 2 coarse sand: 4

46 20.54 graded stone aggregate 20 mm nominal size) necessary excavation foundation

concrete 1:5:10 (1 cement: 5 fine sand: 10 graded stone aggregate 40 mm

nominal size) and inside plastering with cement mortar 1:3 ( 1 cement: 3

coarse sand) 12 mm thick finished with a floating coat of neat cement

complete as per standard design.

Providing push-on-joints to Centrifugally (Spun) Cast iron Pipes or Ductile

iron Pipes including testing of joints and including the cost of rubber gasket.

Providing and placing in position suitable PVC water stops conforming to IS:

12200 of Deep-jyoti or equivalent for construction/expansion joints between

two RCC members and fixed to the reinforcement with binding wire before

pouring concrete etc. complete

48.1 25.4.1 Serrated with central bulb (225 mm wide, 8-11 mm thick) Metre 0 322.6608 0

Digitally signed by PRIYA

SECTION - II : NON - SCHEDULE ITEMS

Supplying and filing in plinth with locally available sand under floors

including watering, ramming, consolidating and dressing complete

Extra for using flyash lime bricks conforming to IS: 12894 or burnt clay flyash

2 7 bricks condorming to IS: 13757 in place of clay/FPS brick in all brick work Cum 20.00 327.096 6541.92

Providing and fixing first quality Glass Mosaic tiles of 25x25mm size of

approved make, in all colors, shades, design and pattern in straight plane,

vertical, inclined surfaces, curved, circular, dome shaped etc. for all levels /

3 12 elevations as per drawing, over 12mm thick bed of cement mortar 1:3 (1 Sqm 69.02 1723.0752 118926.65

cement : 3 coarse sand ) and jointing with grey cement slurry @ 2.2 k.g per

sqm including pointing in while cement mixed with pigment of matching

shade complete.

Centering and shuttering including strutting, propping, staging etc and

removal of form work form plinth level to all levels/heights straight plane,

curved, circular, dome shapes etc. as per drawing with Steel/ply shuttering (

Wherever steel shuttering not feasible) for.

4.1 (a) Suspended floors, roofs, landings, balconies and access platforms for all levels Sqm 50.00 471.24 23562.00

4.2 (b) Arches domes, vault of any span for all levels. Sqm 0 1053.36 0

4.3 ( c) Shafts/wall and containers for all levels. Sqm 0 643.104 0

Vertical and horizontal fins individually for forming box louvers, bend, facias

and eaves boards, small surfaces such as cantilever ends, lintels, openings in

wall, brackets and ends of steps, slabs, caps and bases to pilasters and

columns and the like etc.

Providing and laying in position machine batched, machine mixed and

machine vibrated design mix cement concrete of M-25 grade for reinforced

cement concrete structural elements shaft landing beam, ring beams, arches,

arch-ris, domes shells landings, balconies shelves, chajjas, lintels and

containers etc. (any thickness) including all curved shapes from plinth levels

to all levels, heights as per drawing excluding the cost of centering, shuttering

and reinforcement including admixtures in recommended proportions ( as

per IS : 9103) to accelerate, retard setting of concrete, improve workability

without impairing strength and durability as per direction of Engineer-in-

change (water proofing compound wherever required/ used shall be paid

extra). The construction of base slab and walls of water container of overhead

tank shall also conform to IS: 3370 and shall also be tested for water tightness

at full supply level after completion of concreting of top dome, without any

Reinforcement of R.C.C work including straightening, cutting, bending ,

7 21 placing in position and binding all complete for all levels. K.g 100.00 27.72 2772.00

(a) Cold twisted bars/ TMT bars

Providing 40x5mm flat iron hold fast 40cm long including fixing to frame

8 42 with 10mm diameter bolts, nuts and fixed to CC with minimum 6mm dia Each 12.00 609.84 7318.08

50mm long metal Dash fasteners complete.

Structural steel work welded in built up section (for insert plates & edge

angles in R.C.C wall, slab etc.). Including cutting, welding, hoisting, fixing in

9 66 position during shuttering, grouting wherever required as per drawing, at all Kg 313.43 121.968 38227.82

levels/ elevation and applying with three coats of synthetic enamel paint over

a priming coat of approved steel primer on exposed surface all complete.

Supply, Fabrication & Erection of M.S railing/ hand rails/ grills in M.S bar/

sq. section / M.S pipe fitted and fixed in position as per approved design for

10 67.00 all levels as per drawing, including three coats of synthetic enamel paint with Kg 0.00 116.424 0.00

approved shade over a coat of approved steel primer complete in all respects

with all labour and materials.

Supplying and fixing M.S ladder/stair for all levels made of M.S section

including anchoring arrangement necessary as per drawing. including three

coats of synthetic enamel paint over a coat of approved steel primer and

fixing materials complete as per drawing with all labour and materials.

Digitally signed by PRIYA

Supplying , fitting & fixing at all levels stainless steel pipe ladder made from

stainless steel pipe of approved size & section with 25mm dia. Foot step,

12 69 welded properly including necessary anchoring arrangement as per design Kg 100.00 460.152 46015.20

and drawing all complete size of ladder is approx 6.0 m in ht & 0.45m in

Supplying fitting & fixing at all levels M.S grating plate on M.S angle support

welded properly including necessary anchoring arrangement as per drawing

complete with three coats of synthetic enamel paint over a coat of approved

Providing and fixing 1st quality 200mm wide ceramic glazed tiles band

conforming to IS: 13753 of minimum thickness 5mm of approved make like

NITCO, ORIENT, SOMANY KAJARIA, or equivalent make in all colors,

14 103 shades, design and pints of any size as approved by Engineer-in-Charge in Sqm 78.34 1275.12 99892.90

wall/parapet cladding at all height, over 12mm thick bed of Cement Mortar

1:3(1Cement :3Coarse sand) and jointing with grey cement mixed with

pigment of matching shade complete.

Providing and fixing spindle fire hydrant with 65mm outlet complete with

bolts, nuts and rubber insertions etc.

16 112 Providing and laying S & S centrifugally (spun) iron pipes (Class LA).

Providing and fixing C.I sluice valve (with cap) complete with bolts, nuts,

rubber insertions etc. (the tail places if required will be paid separately).

Providing push-on joints to centrufugally (spun) cast iron pipes or Ductile

iron pipes including testing of joints and including the cost of rubber gasket.

Providing lead caulked joints to spun iron or C.I pipes and specials including

testing of joints but excluding the cost of pig lead.

Providing flanged jointst double flanged C. I pipes and specials including

testing of joints.

Providing laying and jointing Flanged centrifugally cast (spun) iron pipes

21 NS (class LA) conforming to IS - 1536:

with all material

21.1 1 250 mm dia flange pipe Qwt. 0.00 8659.728 0.00

22 Substitute Providing and laying CI 250 mm Double Flange Pipe . Metre 35.95 5033.796768 180964.99

INTERNAL ELECTRIFICATION OF OVER HEAD TANK-2

Wiring for primary light point / fan point / exhaust fan / call bell point with

1.5 mm. PVC insulated copper conductor wire in recessed PVC conduit,

1 1 including supply and erection of conduit, wire accessories, switch board & Point 20.00 1230.768 24615.36

switch, earthling with 18 SWG, PVC insulated copper wire, complete as

Supply, installation, testing and commissioning of 32 Amp, 240 Volt, SPN

industrial type socket outlet with 2 pole and earth metal enclosed plug top,

2 8 along with 32 Amp SP MCB in sheet steel enclosure in recessed with chain Nos. 1.00 7185.024 7185.02

metal cover for socket outlet and wiring with 2.x10sqmm PVC insulated

copper conductor cable, in recessed PVC conduit as required,

Incomer: 1) 40A, 415 V TPN, MCB Isolator - 01No. Aluminum Bus bars: 40A,

Supply and erection of PVC conduit along with accessories, pull boxes etc in

4 13.00 recess as required including cutting the wall and making good the same . a)

Earthing with 600x600x6.3mm GI Earth plate including accessories watering

pipe, masonry enclosure with cover plate having locking arrangement etc.

Digitally signed by PRIYA

supply & laying earth connection from lightening arrestor to pipe electrode

including circular earth grid at the top of water tank with 25x6mm GI strip

7 23 with riveting, sweating and soldering as required along the outer surface of Mtr 100.00 303.8112 30381.12

RC column with terminating arrangement at both sides done by rust proof

chromium plated nuts bolts.

Supply & installation of GI rod 3m long, pointed at the tope & 40mm dia top

of the water tank as lightening arrestor

Supply & fixing testing joint, made of 20x3mm thick GI strip 125mm long

9 25 with 4 Nos of GI bolts, nuts, check nuts and spring washer etc. complete as Nos. 5.00 731.808 3659.04

Supply and laying of 25mm x 6mm GI strips on 40 mm dia GI pipe from

earth electrode as required in ground.

Supply and laying of 25mm x 6mm GI strips on surface or in recess with

clamps, nuts, bolts as required

Supply and fixing 70W HPSV street light fixtures directly on wall / ceiling /

12 28(e) outdoor canopy including all necessary accessories complete as required Nos. 3.00 3880.8 11642.40

(Phillips SVF 12/250, Bajaj BJEF-21S, Crompton FDBxx2S or equivalent)

Bulkhead fixtures (Philips FXC 101/Bajaj BJBE 19 suitable for use with 9W

CFL or equivalent)

Supply & installation of heavy duty & weather proof aviation obstruction

light with neon spiral in heat resistant, clear, toughened, thick glass dome

14 28(j) complete with infrared sensor for automatic adjustment of on/off time as per Nos. 1.00 9424.8 9424.80

seasonal variation of day light (Bajaj BJAOL1 neon spiral with built in 75VA

step up transformer or equivalent)

Supply, erection, testing and commissioning of capacitance type level

monitoring system with following specification: a)AISI 316 flexible probe

for use in tank, coated with material suitable for drinking water. Earth

tube/reference plate with similar coating shall be provided 6" SS flanged

mounting connection weather proof (IP:66), cast aluminium probe head 3/4"

ET cable entry 4-20 mA output, 2 wire transmission indicator compatible.

Automatic temperature compensation Ambient temperature 0-60 C Humidity

100 % b) Control l/ switching

unit no of switches 3(2SPDT) Accuracy for indication & switching +- 1% of

full scale Adjustable time delay (0-30sec) Supply voltage 220V AC +- 10%

Digitally signed by PRIYA