package ii part i.4.2, boq oht

7/29/2019 Package II Part i.4.2, Boq Oht

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Package II PartI Civil Works

Construction of Over Head Tank

SL.

NO.QUANTITY DESCRIPTION OF ITEM UNIT

RATE (in Figures &

In Words)AMOUNT

I..4.2 Over Head Tank

MASONRY

1 1.5 Providing and constructing Solid Cement Concrete

Block masonry in cement mortar 1:6 (1 Cement : 6

Coarse sand) using factory made, load bearing,

approved quality Cement Concrete blocks of

specified size, Grade D (4.0), Density of blocks notless than 1800 kg/cum. Minimum average

Compressive strength of units - 4.0 N/sqmm and

Minimum strength of individual units 3.2 N/sqmm,

setting in position, curing, raking out joints

wherever required etc., complete with all leads and

all as per specifications and directions of the

Engineer-in-charge. IN FOUNDATION AND

Cu.M

For 200mm thick walls using (400 x 200 x 200) mm

size blocks.

PLAIN CEMENT CONCRETE

2 Providing and laying cement concrete using 40mm

nominal size graded hard granite stone aggregate

obtained from approved quarry including

compaction, finishing top surface to level, curing

but excluding cost of formwork, etc., complete as

per specifications. Mix ratio specified is for

(cement: coarse sand: graded stone aggregate).

a) 0.5 In foundations with PCC 1:3:6 Cu.M

3 Providing and laying cement concrete using graded

hard granite stone aggregate of 20mm nominal

size obtained from approved quarry including

formwork, compaction, finishing, curing, etc., IN

BED BLOCKS, SILL BLOCKS COPING upto all

heights complete all as per specifications. Mix ratiospecified is for (cement: coarse sand: graded stone

aggregate). The work includes providing throating/

drip mould wherever required as per standard

engineering practice of size not be less than 40mm

x 15mm. The rate is inclusive for making drip

mould and no extra cost shall be paid for.

1 In coping with P.C.C (1:3:6) Cu.M

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RATE (in Figures &

In Words)AMOUNT

REINFORCED CEMENT CONCRETE

4 Providing & laying in position machine batched,

machine mixed and machine vibrated design mix

cement concrete of specified grade for reinforced

cement concrete structural elements, using graded

hard granite stone aggregates of maximum 20mm

nominal (down graded) size obtained from

approved quarry including fine aggregates

conforming to latest IS 383 and cement all as per

approved design mix proportions conforming to

latest IS 10262 with minimum cement content for

durability including supplying and providing

concrete cover blocks etc., which shall be followed

as per latest IS 456-2000 including mixing,

transportation, placing, vibrating, compaction,

finishing to required levels, curing etc., complete all

as per specifications but excluding cost of

formwork and steel reinforcement.

Rate to include labour for keeping embedments if

any wherever required while casting. Rate also to

include lift charges and scaffolding for heights,

depths and levels from FFL/GL. (The design mix

proportions shall clearly indicate cement: fine

aggregate: coarse aggregate: water cement ration

and approval shall be obtained from Engineer-in-

charge for initial and subsequent mixes as and

w en ere w e c ange n quarry ma er a s or

25 grade reinforced cement concrete, etc., all work

above plinth level upto all heights.

a) 84 Walls (any thickness) including attached pilasters,

buttresses, plinth and string courses, fillets,

columns, pillars, piers, abutments, posts and struts,

etc.,

Cu.M

b) 49.5 Beams, suspended floors, roofs having slope upto

18 degree, landings, balconies, shelves, chajja,

lintels, bands, plain windows sills, staircases and

spiral staircases etc.,

Cu.M

5 Providing and fixing M-20 grade precast Reinforced

cement concrete using graded hard Granite stone

aggregate of 20mm nominal size obtained from

approved quarry including mechanical mixing,

centering and shuttering, compaction,

simultaneously finishing smooth with 6mm thick

cement plaster 1:3 (1 cement: 3 find sand) on

exposed surfaces and fixing in position with sameC.M 1:3, curing etc., complete all as per

specifications but excluding cost of steel

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RATE (in Figures &

In Words)AMOUNT

0.5 For man hole covers Cu.M

6 Extra for mixing water proofing compound of

approved quality and brand in R.C.C items withROFFE HYPROOF manufactured by M/s. Roffe

Construction Chemicals Pvt, Ltd. At 140ml per

50kgs of cement or CONPLAST X 421 IC of Fosroc

Chemicalsltd. At 130ml per 50kgs of cement or

equivalent approved make mixed with cement as

per manufacturer's specifications etc., complete all

as per specifications. (Rate to include cost of water

roofin com ound133.5 In M-25 grade concrete Cu.M

FORM WORK

7 Providing rigid and water tight centering and

shuttering using best quality wood/ plywood /steelforms and centering with steel props, acro tubes

etc., including strutting, propping, bracing, staging

etc., complete for all RCC items fixed in position as

required including labour for careful removal of

form work etc., complete all as per specifications at

.

surfaces.a) 72 Lintels, beams, plinth beams, girders, bressumers

and cantilevers

Sq.M

b) 218 Suspended floors, roofs, landings, shelves and

their supports, balconies and chajjas.

Sq.M

c) 598 Walls (any thickness) including attached pilasters,

buttresses plinth and string courses etc.

Sq.M

d) 598 Extra for Curved shuttering for walls Sq.M

e) 598 Extra for form finish for walls Sq.M

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RATE (in Figures &

In Words)AMOUNT

8 Extra for additional height in centering, shuttering

wherever required with adequate bracing, propping

with steel props, acrotubes etc., including cost of

deshuttering and decentering at all levels, for

suspended floors, roofs, landings, beams and

balconies, etc., for NOTE: (1) Plan area to be

measured (2) Floor height to be taken from finished

floor level (3) This item is applicable only for

roof/high bay slabs & beams and not applicable to

other items such as columns, walls, etc.

a) 13 For all RCC items above 3.5m lvl and upto 4.5m lvl Sq.M

b) 13 For all RCC items above 4.5m lvl and upto 5.5m lvl Sq.M

c) 13 For all RCC items above 5.5m lvl and upto 6.5m lvl Sq.M

d) 13 For all RCC items above 6.5m lvl and upto 7.5m lvl Sq.M

e) 13 For all RCC items above 7.5m lvl and upto 8.5m lvl Sq.M

f) 13 For all RCC items above 8.5m lvl and upto 9.5m lvl Sq.M

g) 13 For all RCC items above 9.5m lvl and upto 10.5m

lvl

Sq.M

h) 13 For all RCC items above 10.5m lvl and upto 11.5mlvl

Sq.M

i) 26 For all RCC items above 11.5m lvl and upto 12.5m

lvl

Sq.M

j) 56 For all RCC items above 12.5m lvl and upto 13.5m

lvl

Sq.M

k) 84 For all RCC items above 13.5m lvl and upto 14.5m

lvl

Sq.M

l) 118 For all RCC items above 14.5m lvl and upto 15.5m

lvl

Sq.M

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RATE (in Figures &

In Words)AMOUNT

STEEL WORK

9 Steel reinforcement for al l RCC items including

decoiling, cutting, hooking, bending, cranking,

fabricating to required shape, placing in position

and tying the system with soft drawn annealed

binding wire of diameter not less than 1.00mm with

2 strands etc., complete all as per specifications at

all hei hts bindin wire will not be measured for15 With TMT 415 bars. M.T

10 Supplying, fabricating, assembl ing, hoisting /

erecting and fixing in position at all heights and with

all leads, structural steel works of welded built-up

sections, all as per structural drawings and as per

detailed specifications (for materials and

workmanship) in the situations described

hereinafter includina) Cutting of components to required lengths/

widths and shapes/ profiles

b) Smooth machining of edges/ facesc) Welding (electric arc welding) at joints of built-up

sections/ single sections for required weld lengths

and sizes andd) Painting all over with two coats of synthetic

enamel paint of approved quality, make and colour

primer with surfaces duly pressed to receive

painting etc., complete all as directed by the

Engineer-in-Charge.NOTE: The Contractor shall submit fabrication

shop drawings for work involved based on

construction drawings (that may be issued during

construction period) for approval by Engineer-in-

char e.The fabrication work shall start only after approval

to the fabrication drawings. Any change required in

the fabrication drawings shall be carried out at no

extra cost over the quoted rates. Fabrication shall

be in a perfectly workmanship like manner and as

provided in Section V and VI of IS 800 and IS

7215. Welding shall be carried out by qualified

welders.

Electrodes for welding, the procedure, selection,

test and inspection shall conform to provisions in IS

816. IS 818, IS 822 and IS 833. Erection / hoisting

shall commence only after passing of fabricated

parts by the Engineer-in-charge.

0.3 Structural steel works with MS angles, Tees and

other sections

M.T

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RATE (in Figures &

In Words)AMOUNT

FLOORINGS

11 Providing and laying Indian patent stone flooring

with cement concrete 1:2:4 (1cement: 2 coarse

sand: 4 graded stone aggregate) using graded

granite stone aggregate obtained from approved

quarry laid to level or slope in bays not exceeding

3sqm per panel including providing 3mm thick

aluminium dividing strips to the full depth of the

flooring and finished smooth, curing, etc., complete

all as er s ecifications.19 40mm thick (Using 20mm nominal size stone

aggregate)

Sq.M

WOOD WORK & JOINERY

12 Providing and fixing steel door system made out of

standard rolled steel sections. The door frame,

shutter frame and diagonal stiffeners for the

shutters, styles and rails and for shutters shall be

MS angles / Tees. The shutter frame shall be

covered with MS sheet (single / double skin)

electrically welded. The door frame shall have base

tie made out of 12mm square MS rod embedded in

flooring and 3nos. of 15mm x 3.15mm lugs of

100mm long on each side embedded in cement

concrete blocks of size 150 x 100 x 100mm of 1:3:6

mix (1 cement : 3 coarse sand : 6 hard granite

stone aggregate 20mm nominal size) or with

anchor fasteners or with fixing clips with bolts and

The work includes providing approved pivots as

required and iron oxidized butt hinges 125mm long,

3nos. for each shutter conforming to IS 1341-1970

etc., including cutting the steel sections to required

lengths, joints mitred and electrically welded,

ground and cleaning the surface thoroughly freefrom rust scales and painted with two coats of

synthetic enamel over a coat of red oxide zinc

chromate primer, after pre treatment of the surface

by pickling and phosphating etc., conforming to IS

specifications including providing and fixing MS

aldrops, MS tower bolts and MS handles etc.,

complete all as per specifications, drawings and

instructions of Engineer in charge at all heights.

161 a) Fully openable (single / double) shutter and

Using MS sheet covered on single or both sides

Kgs

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RATE (in Figures &

In Words)AMOUNT

13 Providing and fixing MS grills of required pattern in

wooden / steel frames of windows, ventilators,

clerestory windows, etc; with M. S flats, square

orround bars with round headed bolts and nuts or

by screws, etc; complete all as per drawings and

directions of Engineer-in-charge.

280 Plain grill ( With vertical, horizontal members or a

combination of both)

Kgs

ROOFING

14 Providing and laying water proofing treatment over

RCC roof in 3 courses, as specified below, after

thoroughly cleaning surface of the roof slab with

wire brush, cleaning of dust and foreign matters,

raking and cleaning of construction joints if any

etc., complete to make the surface suitable for

receivin water roofin treatment.I Course: The existing covering on slab to be

removed and the surface of the RCC slab exposed.Construction joints if any are to be raked and

cleaned. A coat of cement slurry at the rate of

4.4kg/sqm mixed with acrylic water proofing

compound (as per manufacturers specification) is

spread uniformly over the RCC roof area and

ensuring that the slurry penetrates in to the RCC

slab below and fills all micron cracks and all other

porous areas. Over this a layer of 15mm thick

cement mortar 1:5, mixed with acrylic water

proofing compound as per manufacturers

specifications shall be laid to place the II course.

II Course: A single layer of brick on edge with

15mm wide gaps filled with CM 1:5 mixed with

acrylic water compound is laid (i.e. bricks placedvertically on its 75x115mm side or 75x230mm side

as the case may be, to suit the required thickness

of courses), when the bottom layer (I course) is still

green and laid to slope of 1 in 60 as per roof

drainage scheme using approved well burnt bricks

(wear absorption not more than 20%) with

minimum thickness of 65mm at outer edge

including the top and bottom plastering (I&III

course) to get required gradient, laying the bricks

with not less than 15mm gap alround, which shall

be properly filled completely and compacted with

CM 1:5 mixed with acrylic water proofing compound

as per manufacturers specification using full bricks

or bricks cut to required size to lay the course with

single layer with gradient said above for adequate

drainage.

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RATE (in Figures &

In Words)AMOUNT

III Course: 20mm thick cement mortar 1:4 mixed

with acrylic water proofing compound with a layer of

Chicken mesh 12mmx26G and marked with

300mmx300mm false squares including curing

etc., for not less than 7 days, complete all as per

specifications and directions of Engineer-in-charge.

The 20mm thick layer shall be carried out in two

layers of 10mm thick with an inter layer of chicken

mesh of 12mmx26G laid in between the two layers

of cement mortar.

NOTE:

The acrylic water proofing compound to be used

shall be;

a). CHEMSEAL - Manufactured by M/s. Overseas

Water Proofing Corporation, Mumbai. The

proportion of CHEMSEAL shall be 2% by weight of

cement. OR CONPLAST X 421 IC - integral water

proofing compound manufactured by M/s.

FOSROC Chemicals (India) Ltd., Bangalore. The

proportion of CONPLAST x 421 IC shall be 130ml

per 50 kgs of manufactured by M/s. ROFFE

Construction Chemicals Pvt. Ltd., liquid integral

water proofing compound at 140ml per 50kg of

cement or E uivalentb)The second course of the treatment shall be laid

in single course using full bricks/cut bricks as may

.

c) The rate to include all labour, material and

contingent coats for execution of work in a

workman like manner including curing, etc.,

complete for respective courses.d) The plane horizontal measurements of roof slab

only shall be measured for payment.e) The theoretical cement consumption required for

the above work will be worked out based on co-

efficient for each layer of work as per specification.

f) The work shall be got executed through

specilised water proofing agency.

130 g) The contractor should finish a guarantee bond in

the prescribed format for satisfactory water proofing

performance for 10 years.

Sq.M

15 Providing and f ixing rigid PVC SWR (soil, waste

and rain water) drainage/ rain water pipe

conforming to type-A of IS 13592-1992, including

accessories like bends and fixing with pipe clips,

adhesive at joints all as per manufacturer's

specifications to required length etc., complete allas per specifications and directions of Engineer-in-

char e.

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RATE (in Figures &

In Words)AMOUNT

50 110mm OD pipes with minimum wall thickness of

2.20mm.

Mtr

16 Providing and making khurras of size specif ied

below with 12mm thick CM 1:3 plaster finish overPCC 1:2:4 using 10mm nominal size stone

aggregate (1 cement: 2 coarse sand: 4 stone

aggregate) of 600mmx600mm of varying thickness

of 40mm at WPC side to 30mm at pipe end, laid to

slope, compacted over PVC sheet of

1000x1000mm x 400 micron laid over top of slab

after cleaning the surface of concrete slab. The top

surface of CM 1:3 plaster shall be finished smooth

with cement punning, rounding of edges etc.,

complete all as per specifications and directions of

- -[Note: The RWP shall be fixed during construction

of parapet to ensure filling the joints and around

pipe properly].

3 600mmx600mm size Each

FINISHING

17 Plastering 12mm thick with cement mortar

s ecified below finished rou h includin,

scaffolding, curing, etc. complete for EXTERNAL

SURFACES inclusive of sills, jambs, soffits,

ceilings, etc., complete all as per specifications for

IN ALL FLOORS AND AT ALL HEIGHTS. Mix

specified is for cement : coarse sand.

NOTE : i) CM 1 : 3 OR CM 1:4 is generally

applicable for ceilings and RCC surfaces unless

otherwise specified.712 With CM (1:4) to RCC surfaces Sq.M

18 Plastering 12mm thick with cement mortar

specified below, finished smooth with lime neeru

including scaffolding, curing, etc., complete for

INTERNAL SURFACES of walls, beam, ribs, sills,

jambs, ceiling, etc., complete all as per

specifications at ALL HEIGHTS. Mix specified is

for cement: fine sand.a) 373 a) With CM 1:4 to RCC surfaces Sq.M

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RATE (in Figures &

In Words)AMOUNT

19 Water proof cement plastering of thickness as

specified below in cement mortar 1:3 (1 cement: 3

coarse sand) mixed with approved water proofing

compound such as CICO or ACCOPROOF or

equivalent as per manufacturers specifications

including scaffolding, curing, etc., complete for

EXTERNAL SURFACES all as per specifications

UPTO ALL FLOORS AND AT ALL HEIGHTS.

363 12mm thick Sq.M

20 31 Painting steel work with TWO or more coats of

SYNTHETIC ENAMEL PAINT of Ist quality and

approved colour to give an even shade over a coat

of red oxide zinc chromate primer including

cleaning the surfaces, applying a coat of approved

putty on whole surface and rubbing the surface to

achive desired smooth surface, scaffolding, etc.,

complete all as per specifications. (Rate to include

cost of zinc chromate primer, putty also).

Sq.M

21 712 Painting external plastered surfaces with two or

more coats of 100% acrylic exterior emulsion paint

of approved make and colour (weather coat of

Sq.M

having protection against fungal, growth, flaking,

fading, alkali and UV degradation and to give an

even shade with required finish including cleaning

the surfaces, filling the crevices with approved filler,

scaffolding, curing, etc., complete all as per

specifications at all heights.

22 373 Painting plastered surfaces with TWO or more

coats of ACRYLIC WASHABLE DISTEMPER of I

quality and approved colour to give an even shade

over a coat of water thinnable cement primer/ oil

based cement primer including cleaning the

surfaces, filling the crevices with approved filler,

applying a coat of approved putty on whole surface

and rubbing the surface to achieve desired smooth

surface, scaffolding, etc., complete all as per

specifications. (Rate to include cost of primer, putty

also

Sq.M

23 25 Providing and fixing DI Specials suitable for push

on joints upto 600mm dia

Kg

TOTAL

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package ii part i.4.2, boq oht

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