Repair of water reservoir in 3MGD pump house in sector 9 of in Bokaro Steel City

Grand Total 48611324.39

S.NO DSR 2023 DESCRIPTION OF WORK UNIT DSR RATE MR RATE QTY AMOUNT (DSR) AMOUNT(MR)

PART-A DISMANTILING

1 Demolish RCC

Demolishing RCC manually/ by mechanical means

including disposal of material within 50 metres lead Cum

as per direction of Engineer - in - charge.

Malwa Disposal of RCC -

Disposal of building rubbish / malba / similar

unserviceable, dismantled or waste materials by

mechanical means, including loading, transporting,

unloading to approved municipal dumping ground or

as approved by Engineer-in-charge, beyond 50 m

initial lead, for all leads including all lifts involved.

Extra for cutting reinforcement bars manually/ by

mechanical means in R.C.C. or R.B. work (Payment

shall be made on the cross sectional area of R.C.C. or

R.B. work) as per direction of Engineer in-charge.

PART-B RETROFITTING

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 workability 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.

Note: Extra cement up to 10% of the minimum

specified cement content in design mix shall be

payable separately. In case the cement content in

design mix is more than 110% of the specified

minimum cement content, the contractor shall have

discretion to either re-design the mix or bear the cost

of extra cement

5.33.1 All works upto plinth level

5.33.1.3 Concrete of M35 grade with minimum cement content

Add for using extra cement in the items of design mix

over and above the specified cement content Quintal

BOQ FOR 3MGD TANK

3 MGD Underground Reservoir

S.NO DSR 2023 DESCRIPTION OF WORK UNIT DSR RATE MR RATE QTY AMOUNT (DSR) AMOUNT(MR)

Providing and laying SBR Polymer modified (of

approved make @ minimum 2% by wt. of cement

used) plain/reinforced concrete jacket for the

structural members e.g. columns, pillars, piers,

beams etc with concrete having the specified

minimum characteristic compressive strength [with

ordinary portland cement, coarse sand and graded

stone aggregate of 10 mm maximum size in

proportion as per design criteria] with specified

average thickness all-round existing core of RCC

member. Note: Rates shall be for finished surface

area of concrete and shall include the cost of making Sqm

holes in existing RCC slab, if required, for pouring

concrete in shuttering mould of jacket and

appropriate approved Super-Plasticiser for rendering

concrete as flowable self compacting and SBR

polymer but shall exclude cost of reinforcement,

bond coat, Shear Keys, centering and shuttering,

strutting, propping etc (Payment under this item shall

be made only after proper wet curing has been done

and surface has been satisfactorily evaluated by

sounding/tapping with a blunt metal instrument) 100

mm thick in Grade M25 with cement content not less

Removing dry or oil bound distemper, water proofing

cement paint and the like by scrapping, sand

papering and preparing the surface smooth including

necessary repairs to scratches etc. complete

Reinforcement - 550D -

Steel reinforcement for R.C.C. work including

straightening, cutting, bending, placing in position

and binding all complete. Thermo-Mechanically

Treated bars of grade Fe-500D or more.

Shuttering - -

Centering and shuttering including strutting, propping

5.9 etc. and removal of form for : -

Columns, Pillars, Piers, Abutments, Posts and Struts Sqm

Suspended floors, roofs, landings, balconies and Sqm

Lintels, beams, plinth beams, girders, bressumers and Sqm

Extra for additional height in centering, shuttering Sqm

where ever required with adequate bracing,

propping etc., including cost of de-shuttering and

decentering at all levels, over a height of 3.5

m, for every additional height of 1 metre or part

thereof (plan area to be measured).

Drilling suitable holes in reinforced or plain cement

concrete with power driven drill machine to a

minimum depth of 100mm upto 200mm in RCC

beams, lintels, columns and slabs to introduce steel

bars for sunshades/balconies including fixing the Nos

steel bars in position using epoxy resin anchor grout

of approved make but excluding the cost of

reinforcement, all complete as per direction of

Engineer-In-Charge. Beyond 12mm upto 20mm

BOQ FOR 3MGD TANK

3 MGD Underground Reservoir

S.NO DSR 2023 DESCRIPTION OF WORK UNIT DSR RATE MR RATE QTY AMOUNT (DSR) AMOUNT(MR)

Providing and fixing stainless steel ( Grade 304)

railing made of Hollow tubes, channels, plates etc.,

including welding, grinding, buffing, polishing and

making curvature (wherever required) and fitting the

same with necessary stainless steel nuts and bolts

complete, i/c 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-incharge,

(for payment purpose only weight of stainless steel

members shall be considered excluding fixing

accessories such as nuts, bolts, fasteners etc.).

13.16 6 mm cement plaster of mix : -

Treatment for Coving- Providing and applying

coving with PMM same as above mentioned &

let it cure by water for atleast 3-5 days

treatment treating vertical horizontal corner joint with a strip

coat Primer 200microns + HE400 1000microns

with a elongation tape sandwiched into HE400

Repairing Grinding existing surface-

Grinding with heavyduty grinder cementitious

substrate cautiously & All loose and de-bonded

concrete/ screed shall be removed and proper

repairing to be carried with polymer modified

Surface mortar.

preparation V-groove with existing cracks & fill these grooves

& tierod holes with PMM / Shrinkfree grout &

cure the same for atleast 3-4 days

use PU sealant to fill all visible cracks & let it dry

properly as per manufacturer's specs.

General Surface Preperation -

use airblower sufficiently well for removing

All loose particles, dirt & rub down to original

Treatment for WT (OH/UG) -

Providing & Applying on completely dry and as

smooth as possible surface PU damp tolerant P-

IV primer @ 200microns & let it dry for atleast 90-

120 mins & then pure PU with tensile strength

>15Mpa , crack briding ability of >2.5mm ,

excellent bond strength with any grade concrete

& Impact & puncture resistance also @

750microns in 1 coat & again after 2 hrs @

750microns in 2nd coat ; building a total DFT

>1500microns & leave top coat to fully cure for

atleast 96 hrs. The material should comply with

following specifications

BOQ FOR 3MGD TANK

3 MGD Underground Reservoir

S.NO DSR 2023 DESCRIPTION OF WORK UNIT DSR RATE MR RATE QTY AMOUNT (DSR) AMOUNT(MR)

Solvent Free, Two Component (ASTM D 16,

Type V), Polyurethane Coating System, Non-Tar

Extended, Standard 1.50 mm. Tough durable

film, highly reistant to mechanical damage and

totally impervious to water immersion. Product

shall not emit any Volatile Organic Compounds

(VOC) or odor and will be totally environment

i) System Composition -

a) Damp Tolerant, Solvent Free Penetrating Primer : 0.20 mm Nominal WFT -

b) Solvent Free Polyurethane Coating : 1.50 mm Nominal DFT -

Liquid coating materials will be supplied with

original manufacturer's Material Test Certificate

(MTC) showing residual shelf life. Material will be

in original airtight, sealed drums without any

damage or leak. Only approved makes will be

iii) Performance Properties -

a) Adhesion (ASTM D 4541) > Tensile Strenth of

the Concrete with 90% or more break within the

concrete matrix. -

b) Tensile Strength (ASTM D 412) > 15 Mpa -

c) Elongation @ Break (ASTM D 412) > 90%

d) Crack Bridging (EN 1062-7) > 2.8 mm -

e) Hardness (ASTM D 2240) > 60 Shore D -

f) Water Absorption (ASTM D 570, Para 7.4,

Long Term Immersion) < 0.59 % -

g) Chemical Resistance to 30% NaOH / NaCl /

10% H2SO4(ASTM D 543, 30 day immersion),

Weight Gain < 0.62% -

h) Certified Potable Water Safe as per US FDA

175.300 by CFTRI (Only for water tank, swiming

pool applications) -

iv) Application Procedure -

Strictly follow manufacturer's application

instructions and provide a copy in advance to

Engineer Incharge to ensure commpliance.

Application will involved clening surface

thoroughly with high pressure waterjet, drying

and application of primer and topcoat by paint

rollers. Ratio of the two components (Resin :

Activator) must be strictly ensured as per design.

Use pre-measured packaging as far as possible.

Cracks will be treated with elastomeric

polyurethane stripe coat prior to coating

Test coated area by ponding to detect any

leakage. Any spots found will be rectified by spot

repair after roughening. -

vi) Covering -

This type of product has very high mechanical

resistance to mechanical damage as well as UV

and Sunlight and protection by Screed etc is not

necessary. However the coated surface may be

covered with tile/stone etc for aesthetic purposes

and drain board/ geotextile/ soil/ grass.

22.7 Providing and laying integral cement based water

proofing treatment including preparation of surface as

required for treatment of roofs, balconies, terraces etc

consisting of following operations:

BOQ FOR 3MGD TANK

3 MGD Underground Reservoir

S.NO DSR 2023 DESCRIPTION OF WORK UNIT DSR RATE MR RATE QTY AMOUNT (DSR) AMOUNT(MR)

(a) Applying a slurry coat of neat cement using 2.75

kg/sqm of cement admixed with water proofing

compound conforming to IS. 2645 and approved by

Engineer-in-charge over the RCC slab including

adjoining walls upto 300 mm height including cleaning

the surface before treatment.

(b) Laying brick bats with mortar using broken

bricks/brick bats 25 mm to 115 mm size with 50% of

cement mortar 1:5 (1 cement : 5 coarse sand)

admixed with water proofing compound conforming to

IS : 2645 and approved by Engineer-in-charge over

20 mm thick layer of cement mortar of mix 1:5 (1

cement :5 coarse sand ) admixed with water proofing

compound conforming to IS : 2645 and approved by

Engineer-in-charge to required slope and treating

similarly the adjoining walls upto 300 mm height

including rounding of junctions of walls and slabs.

(c) After two days of proper curing applying a second

coat of cement slurry using 2.75 kg/ sqm of cement

admixed with water proofing compound conforming to

IS : 2645 and approved by Engineerin- charge.

(d) Finishing the surface with 20 mm thick jointless

cement mortar of mix 1:4 (1 cement :4 coarse sand)

admixed with water proofing compound conforming to

IS : 2645 and approved by Engineerin- charge

including laying glass fibre 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.

(e) 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 directed and specified by the Engineer-in-

22.7.1 With average thickness of 120 mm and minimum

thickness at khurra as 65 mm.

Pumping out water caused by springs, tidal or river

seepage, broken water mains or drains and the like.

Design, supply, installation and testing High Quality

Self supporting Roof system with Colour coated

galvalume Sheet (BMT 1.3MM, APT 1.35MM, Yield

Strength 350 Mpa Coating AZ 150 GSM, Colour 50%

off white+ 50% blue) With hangers for conduits etc

wherever required all work shall be executed as per

technical specification and direction of E/I

Provision of Turbo vents 600mm dia as per technical

18 MR specification and direction of E/I 7,500.00 60 4,50,000

Providing, mixing and applying bonding coat of

approved adhesive on chipped portion of RCC as per

specifications and direction of Engineer-In-charge

26.31 complete in all respect. -

Epoxy bonding adhesive having coverage 2.20

Modified Estimated Cost after using Correction factor on

DSR 2023 on account of GST @0.973 17142325.41