Repair, rehabilitation and retrofitting of distressed reinforced concrete structures of Academic Block-II (PCM Building) at SVNIT Campus, Surat-recall

Bill of Quantities (BOQ)

Repair, rehabilitation and retrofitting of distressed reinforced concrete structures of Academic Block-II (Physics, Maths and Chemistry Building) at SVNIT

Campus, Surat-Recall.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Scaffolding & fixing the continuous vertical curtain/covering: Providing and fixing double

scaffolding system (cup lock type) on the exterior side, up to three or seven story height made

with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup &

lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the

scaffolding for working platform etc. and maintaining it in a serviceable condition for the required

duration as approved and removing it there after. The scaffolding system shall be stiffened with

bracings, runners, connection with the building etc wherever required for inspection of work at

1 NS required locations with essential safety features for the workmen etc. including providing and 8500.00 Sqm 190.00 - 16,15,000.0

fixing Scaffolding net of required width made of high density Polyethylene UV stabilized knitted on

warp knitting machines having density 100gm/sqm and shading coefficient minimum 75% around

the construction site/ for vertical extension as per requirement including fastening/tying with

building/scaffolding pipes or with any other fixtures etc. complete as per as per specification and

direction of Engineer-in-Charge. The elevational area of the scaffolding & scaffolding net shall be

measured for payment purpose.( The payment will be made once irrespective of duration of

Temporary Supports: Providing, fabricating & erecting temporary supports to the structural

members like beams, slabs etc. to relieve the load on the members during breaking of

damaged concrete, removal guiniting, excavation or any dismantling work as per the

instruction of engineer in-charge/consultant. These supports shall be provided either in the

form of props or trestles fabricated using structural steel as per the requirement and as per the

instruction of EIC/Consultant. Item rate is inclusive of the materials, all labour, supervision,

tools and tackles and transportation & taking away scrap etc., complete as per direction of

Engineer-in-Charge

Total of Part A - 17,10,000.0

B DISMANTLING & DEMOLITION:

Plaster removal: Dismantling/chipping old plaster or skirting, raking out joints, cleaning the

3 NS surface for new plaster including disposal of rubbish to the dumping ground or specified location 3500.00 Sqm 45.05 - 1,57,675.0

within 50 metres lead as per direction of Engineer-in-Charge.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and

4 15.3 disposal of unserviceable material within 50 metres lead as per direction of engineer - in- charge. 750.00 Cum 2928.10 21,96,075.0 -

Demolition of Brick work: Demolishing brick work manually/ by mechanical means including

5 15.7 stacking of serviceable material and disposal of unserviceable material within 50 metres lead as - -

per direction of Engineer-in-charge.

Total of Part B 27,05,610.0 1,57,675.0

C REPAIRS & RETROFITTING:

Reinforcement Cleaning: Cleaning reinforcement of total rust by tapping or using wire brush or

any other suitable way including from behind and around the reinforcement bars to give it a

totally rust free finished steel surface as per the manufacturing specifications and as per the

direction the Engineer-in-charge.

Rust Removal: Providing and applying approved alkaline chemical rust remover with paint

7 NS brush and removing loose particles after 24 hours of its application as per the manufacturing 2750.00 Sqm 140.00 - 3,85,000.0

specifications and as per the direction the Engineer-in-charge.

Rust Removal: Cleaning as directed & specified all rust/ scales/corrosion from reinforcement bars

using rust remover Reebaklens RR- Rust remover, cleaning and etching agent supplied in 1 and 5

Litre containers, having Specific Gravity 1.16 - 1.22 @ 25°C. Reebaklens RR cleaning agent is a

combination of acid based material, corrosion inhibitors and dispersing agents and is supplied as a

clear green solution. Application of Reebaklens RR coverage @ 2-2.5 m2/ltr with brush for

complete wetting of rusted metal surface and allowed to react it for 16-24 hours followed by

cleaning the surface with wire brush and washing surface with fresh water as required to exposed

reinforcement bars complete as specified.

HSE Guidelines : Recommended to wear tight-fitting, dust-resistant, chemical splash goggles if

airborne dust is generated, Wear protective gloves. Wear appropriate clothing to prevent any

possibility of skin contact.

Anticorrosive Treatment to Steel: Providing and applying single coat of zinc rich anti corrosive

coating such as nitozinc primer in 40 micron thickness to the exposed reinforcing bars after

application of alkaline rust remover on main and lateral links all complete as per the

manufacturing specifications and as per the direction the Engineer-in-charge.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Anti-corrosive epoxy zinc rich coating: Providing & applying inhibition coats/system to exposed

reinforcement bars after drying & also new bars after cleaning & removing scales and rust

completely as specified. Nitozinc Primer- Two component epoxy zinc rich primer supplied in 1 and

5 Litre pack, two component systems based on metallic zinc and epoxy resin which on mixing gives

a grey coloured liquid. An Anti corrosive coat contents Active 'Zinc-rich' system which combats

corrosion by electro chemical means. Having specific gravity of 1.75, Adhesive bond strength > 1.5

N/mm2 Solid content- 60 %, Fully dry/Recoatable- 45 minutes to 1 hour. Typical application

includes surface preparations by cleaning steel surface to a bright condition paying particular

attention to the back of exposed steel bars, mixed two components slow speed heavy duty drill

fitted with a paddle, applying unbroken coat of 100 microns WFT with suitable brush coverage @

8.1 NS 4-5 m2/ltr and allow to dry, after 30 mins apply second coat to ensure complete cover to exposed - -

steel/ rebar etc. complete. Total Dry film thickness is 40 microns/coat.

HSE Guidelines : Nitozinc Primer and Nitoflor Sol should not come in contact with the skin and

eyes, or be swallowed. Adequate ventilation

should be ensured and inhalation of vapours should be avoided. Suitable protective clothing,

gloves and eye protection shall be worn. If working in confined areas, suitable respiratory

protective equipment must be used. The use of barrier creams, provide additional skin protection.

In case of contact with skin, it shall be rinsed with plenty of water, and then cleansed with soap

Steel reinforcement for R.C.C. work including straightening, cutting,

bending, placing in position and binding all complete upto plinth level.

5.22.6 Thermo-Mechanically Treated bars of grade Fe-500D or more 32000.00 Kg 89.65 28,68,800.0 -

Epoxy Bond Coat: Providing and applying bond coat on the prepared surface to receive new

polymer mortar/polymer modified concrete, with two components epoxy based bonding coat

Concresive 1414 of BASF/Nitobond EP of Fosroc or equivalent material in one full coat. Laying of

reinstatement polymer mortar or micro concrete shall be completed within the overlay time of

bonding coat. This bond coat act as bonding agent between old and new concrete. Item rate

inclusive of all materials, labours, supervision, tools, tackles, transportation, fixing etc., complete

as per the manufacturing specifications and as per the direction the Engineer-in-charge.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Epoxy Bond Coat: Providing and applying bond coat on the prepared surface to receive polymer

modified mortar/polymer modified micro concrete, with two component epoxy based bonding

coat Nitobond EP- Epoxy resin concrete bonding agent supplied in 1/2, 1 and 4 Litre packs, having

specific gravity 1.15 to 1.2 gm/cc, Compressive strength(BS 6319 Pt.2)- 50 Mpa at 7 days, Flexural

strength strength(BS 6319 Pt.3)- 35 Mpa at 7 days, Tensile strength (BS 6319 Pt.7)- 20 Mpa at 7

days, Shear Strength (BS 6319 Pt.4)- 10 Mpa at 7 days, having an over lay time of 6 hrs and 30 ̊C,

High bond strength High bond strength: Bond strength is more than the tensile strength of good

quality concrete, Barrier coat : Acts as a ‘barrier coat’ to the migration of chloride ions from host

concrete. Laying of reinstatement polymer modified mortar or micro concrete shall be completed

within the overlay time of bonding coat. The bond coat act as a bonding coat between old and

new concrete. Typical application includes cleaning all loose dust, dirt, grease from host concrete

surface by suitable means, mixing both components of bond coat by heavy duty slow speed mixer

10.1 NS until a uniform consistency, apply unbroken coat of Nitobond EP coverage @ 2.6 m2/ltr with stiff - -

brush covering complete area of patch repair and allow the same to become tacky before placing

mortar or micro concrete. Item rate is inclusive of materials all labour, tools and tackles,

scaffolding and transportation etc. complete as per specification and as directed by Engg. in-

HSE Guidelines : Recommended to wear tight-fitting, dust-resistant, chemical splash goggles if

airborne dust is generated, Wear protective gloves. Wear appropriate clothing to prevent any

possibility of skin contact. Barrier creams provide additional skin protection. Do not smoke during

use. Maintain ample ventilation. If contact with the resin occurs, wash immediately with a strong

detergent or a resin removing cream. Eye contamination must be immediately washed with plenty

of water and medical treatment sought.

Single Part PMM Treatment: Providing and laying of polymer modified single component,

alkaline resistant fibre reinforced, duel shrinkage-compensated, thixotropic, cementations

patch repair mortar Emaco S48CT of BASF/ Renderoc SP 40 of Fosroc or equivalent material

that achieves compressive strength of 35 MPa at 7 days and finishing with trowel

carefully compacting the same around the rebars and finishing to bring it in line with existing

11 NS concrete surface on the beams, slabs. pile caps etc., where the thickness of application is less - -

than 50mm in patches as per specification after applying bonding coat (bonding coat

shall be payable separately). Item rate inclusive of all materials, labours, supervision, tools,

tackles, etc., complete as per the manufacturing specification and as per the direction the

Engineer-in-charge.

11.1 NS (a) For Built up thickness of up to 40 mm (incl.+5mm) 200.00 Sqm 2100.00 - 4,20,000.0

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Polymer modified Mortar-Patch repair (Up to Grade M45): Providing and laying Renderoc SP 40-

shrinkage controlled polymer modified single component, alkaline resistant fibre reinforced,

thixotropic, cementitious patch repair mortar supplied in 25 kg moisture resistant bag when mixed

with clean water at w:p ratio 0.18, achieves compressive strength (BS 1881 Pt.116) -> 20 Mpa at 1

day & > 45 Mpa at 28 days, Tensile Strength(BS 6319 Pt.7) > 2.5 Mpa at 28 Days, Flexural

Strength(BS 6319 Pt.3)>7 Mpa at 28 days, Drying shrinkage to ASTM C 157-93, 28 days < 1000

microstrain capable of applying up to 50 mm thickness in single layer. Renderoc SP 40 shall have

CE (CE-29842) marking and compliance according to Construction Products Directive 89/106/EEC

(CPD). Typical application includes mixing entire bag with clean water about 4.25L to 4.5 L, mixed

in suitable container with heavy duty slow speed mixer machine to achieve uniform lump free

mortar consistency, placing over prepared surface or tacky Nitobond EP surface in recommended

thickness and finishing with trowel carefully compacting around the rebars to bring it in line with

existing concrete surfaces on the beams, slabs, piles etc. Item rate is inclusive of materials all

labour, tools and tackles, scaffolding and transportation etc. complete as per specification and as

directed by Engg.-in-charge.

HSE Guidelines : Recommended to wear tight-fitting, dust-resistant, chemical splash goggles and

mask if airborne dust is generated, Wear protective gloves. Wear appropriate clothing to prevent

any possibility of skin contact.

Shear Connectors Providing and Fixing Shear connectors of 10 mm dia. HYSD steel with two

component, styrene & cement free, epoxy-acrylate fixing and anchoring compound (having the

technical parameters mentioned in material specifications) using standard sealant applicator gun

12 NS after drilling holes of 12mm diameter to a minimum depth of 100mm at required locations, 2250.00 Nos. 105.00 - 2,36,250.0

inclusive of all material, manpower and equipment as per the specifications and as per the

direction the Engineer-in-charge. . Master Flow 935 of BASF / Lokfix P25 of Fosroc or equivalent

Anchoring in Slab: Drilling min +4mm dia drill with min 10 D depth in RCC slab to anchor 10 mm

13 NS horizontal bars. The same shall be filled with Lokfix P45 as per manufacturer Specification and as 5000.00 Nos. 140.00 - 7,00,000.0

per the direction the Engineer-in-charge.

Leak-proof Shuttering for Encasement: Centering and shuttering with 12mm thick waterproof

plywood including strutting, propping etc. with using tap/ thermocoal/POP for leakproof joint for

concrte and micro concrete shuttering and removal of form work for below mentioned as per the

specification and as per the direction the Engineer-in-charge.

a NS Suspended floors, roofs, landings, balconies and access platform 5000.00 Sqm 425.00 - 21,25,000.0

b NS Lintels, beams, plinth beams, girders, bressumers and cantilevers 1750.00 Sqm 350.00 - 6,12,500.0

c NS Columns, piers, abutments, pillars, posts and struts 1750.00 Sqm 470.00 - 8,22,500.0

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

RCC/ Cement Concrete: Providing and laying cement concrete of minimum M:30 grade in slab.

The concrete to be added with Corrosion Inhibitor admixture like Auramix BCI of Fosroc or

equivalent at 3 to 5 kg / cum dosages and including polymer, shrinkage compound etc. as and

when required. The rate shall include all necessary testing of concrete, curing, labour and all the

chemicals, polymers, compound etc. for all floor levels, excluding the cost of centring, shuttering

and finishing. The coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate

20 mm nominal size all complete as per the specification and as per the direction the Engineer-in-

Micro concrete : Polymer Modified Micro- Concrete: Providing and laying of polymer

modified micro- concrete like Emaco S46 T of BASF/Renderoc RG (S) of Fosroc/ReCon MC 40

of Conmix or equivalent material blended with washed, saturated surface-dry (SSD), graded,

low absorption, high density aggregates of size 8 mm & below up to 50% (as and when

required) by weight of micro-concrete and water at 4 lit. per 25 kg bag and pouring into the

16 NS form work using suitable pumping device for uniform flow of concrete. The side shuttering 370.00 Ton 26000.00 - 96,20,000.0

can be removed after 3 days and the bottom shuttering after 7 days ensuring proper bond

between the micro concrete and existing concrete substrate. Item rate inclusive of all

materials, labours, supervision, tools, tackles, transportation, curing, making of hole etc.

Complete as per the manufacturing specification and as per the direction the Engineer-in-charge.

Curing compound: Providing and applying Acrylic based chemical compound of approved make

17 NS (Krishnaconchem/Sika/Fosroc/ Basf) on RCC member complete as per the manufarcturing 400.00 Sq.m 80.00 - 32,000.0

specification and as per the direction the Engineer-in-charge.

Nozzle Fixing: Drilling 12 - 16 mm dia holes at honeycomb portions / voids / construction joints

cracks etc. spaced at specified spacing and placing 8 - 12 mm dia. PVC nozzle of length 75

18 NS mm suitable for grouting into a 150 mm deep hole sealing with epoxy putty including 6000.00 Nos. 60.00 - 3,60,000.0

cutting of nozzle after the grouting and finishing with polymer mortar etc. complete as per the

specification and as per the direction the Engineer-in-charge.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Injection Grouting: providing and executing injection/pressure grouting in cracks in the parent

concrete by fixing PVC/Aluminium nipples at 150 mm to 200 mm distance or specified distances as

per design and detailed specifications. Pressure grouting using low viscous epoxy grout Conbextra

EP 10- Moisture insensitive epoxy resin injection material supplied in 1.5 Litre pack which can

grout gaps ranging from 0.25mm to 9mm, having mix density 1060 kg/m3,Compressive

Strength(ASTM D695)-60/mm2, Tensile Strength(ASTM C 304-97)-20 N/mm2, Flexural strength(BS

6319 Part 4)-45 N/mm2. Pressure grouting shall be carry out after surface preparations includes

fixing nipples and filling cracks with epoxy mortar one day before grouting, injecting low viscous

grout mechanically about pressure 3.5 - 7.0 kg/cm² , removing nipple after grouting and sealing

19 NS with epoxy mortar etc. complete as as per the manufacturing specification and as per the 700.00 Kg 800.00 - 5,60,000.0

direction the Engineer-in-charge. . Payment shall be made on actual grout consumed.

HSE Guidelines : Conbextra EP10(M) : Contains resins which may cause sensitisation by skin

contact. Avoid contact with skin and eyes and

inhalation of vapour. Recommended to wear tight-fitting, dust-resistant, chemical splash goggles if

airborne dust is generated, Wear protective gloves. Wear appropriate clothing to prevent any

possibility of skin contact. Barrier creams provide additional skin protection. Keep away from

sources of ignition - no smoking. Maintain ample ventilation.

Corrosion Inhibitor: Providing & applying bipolar migrating corrosion inhibition treatment to the

overall concrete surface repair area including area where reinforcement is exposed. The product

20 NS shall be as per specifications ,Item rate is inclusive of the materials, all labour, supervision, tools 6000.00 Sq.m 125.00 - 7,50,000.0

and tackles and transportation etc., complete as per specification and as direction of engineer in

Galvanic Sacrificial Prevention of steel by Point anodes: Providing and fixing sacrificial zinc anode

to prevent initialization of corrosion of reinforcement in adjoining sound concrete due to chloride

ingress or prevent corrosion due to loss of passivity due to carbonation etc. by installing anodes

from VECTOR Galvashield XPI of size 25X25x125mm and having zinc mass of min. 60 grams of 1 A

P type or equivalent for patches or periphery of patches at Min. 2 to 4 anodes / Sq.mt. area of

concrete (spacing of 430 to 610mm) or equivalent, as per manufacturer specification, covered

with mortar with of resistivity less than of parent concrete on the cleaned reinforcement steel as

per manufacturers specification before applying passivatior coating and also design calculation ,

monitoring for current available from anodes as required by manufacturer as per IS12696 etc. at

all heights and including of all material, labour, tools, plant and machineries, etc. complete as per

the manufacturing specification and as per the direction the Engineer-in-charge.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Powerthrow: Insertion of POWRTHROW, sustained release Corrosion inhibiting caplets which

protect both anodic & cathodic sites and reduces Corrosion potential in the reinforcement steel,

22 NS by drilling 25 mm dia holes into the concrete at a depth of 60 mm and inserts to be filled by epoxy 1000.00 Nos. 420.00 - 4,20,000.0

mortar as per the manufacturing specifications and as per the direction the Engineer-in-charge.

BRICK WORK ABOVE PLINTH- Brick work with common burnt clay F.P.S. (non modular) bricks of

23 6.4 class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes - -

23.1 6.4.1 Cement mortar 1:4 (1 cement : 4 coarse sand) 120.00 Cum 8512.10 10,21,452.0 -

New External Plaster : 18 mm cement plaster in two coats under layer 12 mm thick cement

24 13.12 plaster 1:5 (1 cement : 5 coarse sand) and a top layer 6 mm thick cement plaster 1:3 (1 cement : 3 2500.00 Sqm 461.85 11,54,625.0 -

coarse sand) finished rough with sponge.

New Internal Plaster in patches: Repairs to plaster of thickness 12 mm to 20 mm in patches of

area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and

25 14.1 preparing and plastering the surface of the walls complete, including disposal of rubbish to the - -

dumping round, all complete as per the specifications and as per the direction the Engineer-in-

25.1 14.1.1 With cement mortar 1:4 (1 cement : 4 fine sand) 1500.00 Sqm 462.30 6,93,450.0 -

Providing and applying white cement based putty of average thickness 1 mm, of approved brand

26 13.80 and manufacturer, over the plastered wall surface to prepare the surface even and smooth 1500.00 Sqm 123.85 1,85,775.0 -

Applying one coat of water thinnable cement primer of approved brand

27 13.43 and manufacture on wall surface : - -

27.1 13.43.1 Water thinnable cement primer 800.00 Sqm 64.46 51,568.0 -

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic

28 13.83 Compound ) content less than 50 grams/ litre of approved brand and manufacture, including - -

applying additional coats wherever required to achieve even shade and colour.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

External Paint :Providing & Applying Polymer waterproof Painting of Asian Paints Ultima

Protect/Dulux Next Gen Paint/ Pidilite Raincoat , 1 Base coat of Polymer Duralife without dilution

& 2 Coat, Top coat of Ultima Protect/Dulux Next Gen Paint/ Pidilite Raincoat with 40% water

dilution. Scrapping old paint, Cleaning all surface by Jet Pressure pump of fresh water, removing all

fungus, vegetation, Algae & Opening crack by grinder in 'V' shape up to 3mm, cleaning, 1 coat

primer & filling all cracks by crack seal, finishing, Cleaning the surround surface etc. as per

manufacturer specification. The paint shade shall be approved by engineer in charge.

Approved Make: Asian's Ultima Protect/DuluxNext Gen Paint/ Pidilite Raincoat With 10 yrs.

guaranty for Paint & 10 yrs for water seepage. Scaffolding shall be paid extra at actual.

Measurement: Paint applied Surface measurement.

Special Note: Two stages inspection shall be done by manufacturer 1) After Surface preparation 2)

Final certification of paint application confirming the quality / DFT & consumption as per

specification. Final warranty certificate shall be released on successful application on confirmation

by engineer in charge & manufacturer.

Dismantling/ removing tile work & Granite Work for thickness of 10mm to 25mm in floors/walls

and platform/counter laid in cement mortar including stacking of serviceable material and disposal

of unserviceable material within 50 metres lead or specified location all complete as direction of

Engineer in charge.

Providing and laying Vitrified tiles in different sizes (thickness to be

specified by manufacturer), with water absorption less than 0.08 % and

conforming to I.S. 15622, of approved make, in all colours & shade, in

31 11.46 skirting, riser of steps, over 12 mm thick bed of cement mortar 1:3 (1 - -

cement: 3 coarse sand), jointing with grey cement slurry @ 3.3 kg/

sqm including grouting the joint with white cement & matching pigments

Total of Part D 30,44,843.0 9,92,375.0

E Electrical work

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Testing & commissioning the Wiring for light/ power plug and dismantle/ removing damaged

wiring and supplying and fixing as per required sizes at site condition of FRLS PVC insulated

copper conductor, single core cable as per required (3x1.5sq. mm, 3x2.5sq.mm or 3x4.0 sq.mm)

32 NS size as per site condition with medium class PVC pipe as required (20/25/32/50 mm) size along 3000.00 Meter 320.00 - 9,60,000.0

with accessories in surface/recess including cutting the wall and making good the same in case of

recessed conduit as complete as per the specification and as per the direction the Engineer-in-

Testing & commissioning the light point/ fan point/ exhaust point and any other point and

removing/ dismantle damaged and fixing the new light point/ fan point/ exhaust fan point as

required at site complete as per the specification and as per the direction the Engineer-in-charge.

Supplying and fixing 3 pin, 5 A ceiling rose on the existing junction box including connections etc.

34 NS as required all complete as per the specification and as per the direction the Engineer-in-charge. 500.00 each 65.00 - 32,500.0

Removing the damged or deterious GI fan box with providing & fixing round(125mm

dia)/hexagonal (100mmx100mm) PVC fan box with steel bar 10 or 12 mm dia hook in RCC Slab

as per site condition, all complete as per the specification and as per the direction the Engineer-in-

Total of Part E - 15,81,000.0

F Miscellaneous Work

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate

36 12.21 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as

per standard design.

Providing and laying water proofing treatment on roofs of slabs by

37 22.6 applying cement slurry mixed with water proofing cement compound 1500 Sq.m 585.55 8,78,325.0 -

consisting of applying:

(a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water

proofing cement compound @ 0.253 kg/sqm. - -

(b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of

fibre cloth should not be less than 10 cm.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

(c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with

water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be

allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be - -

taken upto 30 cm on parapet wall and tucked into groove in parapet all around.

(d) fourth and final layer of brick tiling with cement mortar (whichfourth and final layer of brick

tiling with cement mortar (which will be paid for separately.)

For the purpose of measurement the entire treated surface will be

Grading roof for water proofing treatment with

Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

Refixing old Vitrified tiles ( which is removed in the existing building) in floors, skirting, riser of

steps with required thickness bed of cement mortar 1:3 (1 cement: 3 coarse sand), jointing with

39 NS grey cement slurry @ 3.3 kg/ sq.m including grouting the joint with white cement & matching 1500 Sq.m 500.00 - 7,50,000.0

pigments, including cleaning of tile, shifting of tile etc. all complete as per the specification and as

per the direction the Engineer-in-charge.

Refixing old granite of 16mm to 18 mm thick ( which is removed in the existing building), machine

cut for Kitchen/ Lab/ classroom platforms, vanity counters, window sills, facias laid wover 20mm

thickness base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement,

40 NS mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing 500 Sq.m 400.00 - 2,00,000.0

to edges to give high gloss finish, including cleaning & shifting of granite, shifting of granite etc.

complete at all levels complete as per the specification and as per the direction the Engineer-in-

Providing and fixing granite of 16 to18 mm thick, machine cut for kitchen/ lab/ classroom

platforms, vanity counters, window sills, facias, staircase and similar locations of required size,

approved shade, black colour as well as already laid in existing building and texture laid over 20

41 NS mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement, 281 Sq.m 1900.00 - 5,33,900.0

mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing

to edges to give high gloss finish etc. complete as per the specification and as per the direction

the Engineer-in-charge.

Vol I & II ITEM OF WORKS QUANTITY UNIT DSR RATE NDSR RATE DSR AMOUNT [RS.]

Water Proofing: Cleaning the slab properly, identifying the cracks, opended the cracks 3mm deep

and wide. first coat of applying SBR polymer (of approved make) and second coat SBR polymer (of

approved make) with modified Cement mortar, Mix 1L SBR with 2kg fresh cement, third coat of

repairing with SBR/Crack seal. after that fourth coat of Finishing the surface with 20 mm thick

jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed with water proofing

42 NS compound conforming to IS : 2645 and approved by Engineer-in-charge including laying glass fibre 750 Sq.m 500.00 - 3,75,000.0

cloth of approved quality in top layer of plaster and finally finishing the surface with trowel with

neat cement slurry and making pattern of 300x300 mm square 3 mm deep. The whole terrace so

finished shall be flooded with water for a minimum period of two weeks for curing and for final

test.“All above operations to be done in order and as per the specifications and as per the

direction the Engineer-in-charge.

Core Cutting from RCC slab: Cutting with diamond bit cutter to make an opening of 100 mm

43 NS diameter from slabs, beam complete as per the specification and as per the direction the Engineer- 50 No 650.00 - 32,500.0

Removing false ceiling in floors including stacking material within 50 metres lead all complete with

44 NS any thickness as per the specification and as per the direction the Engineer-in-charge. 5000 Sq.m 30.00 - 1,50,000.0

Providing and laying chemical resistance pipe for drainage as per site requirement including all

45 NS fitting accessories and jointing of pipe as per site condition all complete as per the specification 425 Metre 1000.00 - 4,25,000.0

and as per the direction the Engineer-in-charge

Removing /repairing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes size as per site

requirement, having thermal stability for hot & cold water supply including all CPVC threaded

46 NS fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, 200 Metre 200.00 - 40,000.0

refilling & testing of joints complete as per the specification and as per the direction the Engineer-

Panelled door, all types of window, all type of partition removing & refining the same as required

47 NS accessories as per site condition as per the specification and as per the direction the Engineer-in- 300 Sq.m 200.00 - 60,000.0

S S Railing removing & refixing the same with including accessories and all complete as per the

specification and as per the direction the Engineer-in-charge.

Removing ACP Sheet in columns including stacking material within 50 metres lead all complete

with any thickness as direction of Engineer in charge.

Total BOQ Amount 4,98,19,870.00