Civil and structure repair work in institute building at National Institute of Public cooperation and child development, Hauz khas, New Delhi

BILL OF QUANTITIES FOR CIVIL/STRUCTURAL REPAIR WORK AT National Institute of Public

Cooperation & Child Development ,Hauz khas New Delhi

Item Description Unit Qty. Rate Amount (Rs.)

Chipping of unsound/weak concrete material from slabs, beams,

columns etc. with manual Chisel and/ or by standard power driven

percussion type or of approved make including tapering of all edges,

26.28.1 making square shoulders of cavities including cleaning the exposed SQ MTR 1400 311.95 ₹ 4,36,730.00

concrete surface and reinforcement with wire brushes etc. and

disposal of debris for all lead and lifts all complete as per direction of Engineer-In-

Cleaning of reinforcement from rust from the reinforcing bars to give it a total

rust free steel surface by using alkaline chemical rust remover of approvedmake

with paint brush and removing loose particles after 24 hours of its application

with wire brush and thoroughly washing with water and allowing it to dry, all

complete as per direction of Engineer-In-Charge.

26.29.1 Bars upto 12 mm diameter RMT 3500 6.65 ₹ 23,275.00

26.29.2 Bars above 12 mm diameter RMT 3000 13.35 ₹ 40,050.00

Rust Passivation: Two component, low solvent, zinc rich epoxy resin based

Anticorrosive Treatment of reinforcements in coats with time interval of

minimum 4 hours between each coat of the approved makes. The application

NDSR shall be done by brush or spray as per Manufactureres recommendation, SQ MTR 1400 450 ₹ 6,30,000.00

complete. The rates are inclusive of all materials, labor, machinery, equipment,

tools, tackles etc. and disposal of debris, all complete. Mode of measurement

will be per sqmt of exposed area of concrete.

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Corrosion Inhibitor- Coat of Concrete Penetrating Corrosion Inhibitor which

works on Bipolar Inhibition Mechanism of the approved makes on concrete

NDSR surface to be repaired by using brush or spray at dosage specified by the SQ MTR 1400 350 ₹ 4,90,000.00

manufacturer. Mode of measurement will be per sqmt of exposed area of

Providing, mixing and applying bonding coat of approved adhesive on chipped

26.31 portion of RCC as per specifications and direction of Engineer-In-charge

complete in all respect.

26.31.2 Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make SQ MTR 1400 390.45 ₹ 5,46,630.00

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

work for:- Columns, piers, abutments, pillars, posts and struts

Steel reinforcement for R.C.C. work ready to use "cut and bend" rebars of

approved make from factory/workshop to construction site including placing in

and binding all complete upto plinth level.

5.22B.1 Thermo-Mechanically Treated bars of grade Fe-500D or more Kg 2000 83.15 ₹ 1,66,300.00

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 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.

26.30.1 Upto and including 12mm dia Holes 4200 121.95 ₹ 5,12,190.00

Digitally signed by AMIT

Providing and inserting 12mm dia galvanised steel injection nipple in honey

comb area and along crack line including drilling of holes of required diametre

(20mm to 30mm) up to depth from 30mm to 80mm at required spacing and

making the hole & crack dust free by blowing compressed air, sealing the

distance between injection nipple with adhesive chemical of approved make and

allow it to cure complete as per direction of Engineer-In-Charge.

Repair Micro concrete: Application of repair Micro-concrete of M40 grade for

NDSR Making up lost section of concrete for thickness more than 30mm, after the Kg 65000 45 ₹ 29,25,000.00

application of bonding agents to ensure stability of the concrete, followed by

curing with water for at least 7 days. The rates are inclusive of all materials,

labour, machinery, equipment, tools, tackles

Thixotropic Repair Mortar:

NDSR Repair with Dual shrinkage compensated, trowelable fibre reinforced thixotropic SQ MTR 800 1750 ₹ 14,00,000.00

repair mortar. Repairs to the deteriorated/damaged areas of RCC elements in

the structure shall be carried out by using powder Polymer Modified repair

mortar. The polymer modified mortar is applied when the epoxy bonding coat is

still tacky. In one application maximum 25 mm thickness shall be built.

Subsequent layer shall be built with one bond coat of Polymer modified cement

slurry. The polymer modified repair mortar shall be mixed, applied and cured.

NDSR FRP :- Application of carbon fiber wrapping for beams, columns & slub in SQ MTR _ 4200 _

distressed part and sagging part of beam, column & slub to prevent further

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Providing and fixing double scaffolding system (cup lock type) on the exterior

side, up to 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 required locations with

essential safety features for the workmen etc. complete as per directions and

approval of Engineerin- charge .The elevational area of the scaffolding shall be

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

duration of scaffolding.

15.60 Disposal of building rubbish / malba / similar unserviceable, dismantled or waste Cum 100 219.35 ₹ 21,935.00

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.

Embeded Sacrificial galvanic Anode: Providing & fixing Galvanic Sacrificial anodes

in compliance with ASTM B 418 Type II in RCC elements after tying them to the

existing clean rebar with the specially attached wires to it in a grid fashion to

achieve corrosion potential more negative than rebar. The sacrificial anode shall

NDSR have zinc mass of at least 100 grams encased in conductive mortar. The anodes Nos 100 1250 ₹ 1,25,000.00

shall be soaked in water for about 30 minutes before installation. Work to be

executed complete as per manufacturer specification and the project

Insertion of sustainable release Powrthrow caplets: Drill the hole of 25 mm

NDSR diameter and 30 mm depth in the RCC at 500 mm c/c in a zig-zag manner. Clean Nos 300 400 ₹ 1,20,000.00

the hole by removing the dust & insert the Powrthrow caplet.

Digitally signed by AMIT

Dismantling of old plaster or skirting raking out joints and cleaning the surface

15.56 for plaster including disposal of rubbish to the dumping ground within 50 metres SQ MTR 600 45.05 ₹ 27,030.00

15 mm cement plaster on rough side of single or half brick wall of mix:1:4 (1

cement: 4 coarse sand)

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

15.3 steel bars and disposal of unserviceable material within 50 metres lead as per Cum 35 2928.1 ₹ 1,02,483.50

direction of Engineer - in- charge.

Providing and fixing double glazed hermetically sealed glazing in aluminium

windows, ventilators and partition etc. with 6 mm thick clear float glass both

side, having 12 mm air gap, including providing EPDM gasket, perforated

21.10 aluminium spacers, desiccants, sealant (Both primary and secondary sealant)etc. SQ MTR 20 4013.35 ₹ 80,267.00

as per specifications, drawings and direction of Engineer-in-charge complete.

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone

additives of required shade:New work (Two or more coats applied @ 1.43 ltr/10

sqm over and including priming coat of exterior primer applied @ 2.20 kg/10

Finishing with Deluxe Multi surface paint system for interiors and exteriors using

13.48.1 Primer as per manufacturers specifications :Two or more coats applied on walls SQ MTR 1500 158.95 ₹ 2,38,425.00

@ 1.25 ltr/10 sqm over and including one coat of Special primer applied @ 0.75

13.80 Providing and applying white cement based putty of average thickness 1 mm, of SQ MTR 2800 123.85 ₹ 3,46,780.00

approved brand and manufacturer, over the plastered wall surface toprepare

the surface even and smooth complete.

15.42.2 Dismantling C.I. or asbestos rain water pipe with fittings and clamps including Meter 950 64.3 ₹ 61,085.00

stacking the material within 50 metres lead :100 mm dia pipe

Digitally signed by AMIT

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes

12.41.2 conforming to IS : 13592 Type A, including jointing with seal ring conforming to Meter 950 319.75 ₹ 3,03,762.50

IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.-

110 mm diameter

Grand Total ₹ 1,15,28,543.00

Grand Total ₹ 1,15,28,543.00

Digitally signed by AMIT