External Structural Repair and Strengthening Work Telecommunication Engineering Centre Building at Khurshid Lal Bhawan, Janpath, New Delhi 110001

1 15.56 Surface Preparation : Sqm

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

for plaster including disposal of rubbish to the dumping ground within 50 1200 54.65 65,580.00

metres lead.

Surface Preparation :

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, making square shoulders of

2 26.28 cavities including cleaning the exposed concrete surface and reinforcement 0.00

with wire brushes etc. and disposal of debris for all lead and lifts all complete

as per direction of Engineer-In-Charge

2.1 26.28.1 75 mm average thickness Sqm 120 378.00 45,360.00

2.2 26.28.2 50 mm average thickness Sqm 350 256.35 89,722.50

2.3 26.28.3 25 mm average thickness Sqm 770 126.75 97,597.50

Jet Washing of Structure :

Pressure washing of the structure & its apprurntenance. Scraping and cleaning

of the exposed face of the structure by Water jet cleaning / grinding the surface

3 NDSR by grinder machine, wire brush, (using other mechanical /manual means) Sqm 700 15.00 10,500.00

complete in all respect including taking all precautions to safeguard structure,

all as per specifications.

Cleaning of Reinforcement :

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 approved

4 26.29 make 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.

4.1 26.29.1 Bars upto 12 mm diameter Mtr 280 8.25 2,310.00

4.2 26.29.2 Bars above 12 mm diameter Mtr 150 16.45 2,467.50

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Date: 2024.12.16 18:23:43 IST

Maharashtra SSR 2022- Rust Passivation :

23 Sr No. - 708 Item - Providing and applying anti-corrosive treatment with epoxy zinc rich primer to

19.39 Chapter - BR the exposed reinforcement after cleaning either with wire brush or sand

blasting including all tools, tackels, machinery etc. complete.

Maharashtra SSR 2022- Corrosion Inhibitor :

23 Carry out application of "Bi-polar migratory corrosion inhibitor "on concrete

Sr No.- 701 surface. This inhibitor has migratory kind of property which permits the

Item- 19.32 Chapter - BR material to migrate to a virtual extent of 100 mm, through pores of concrete,

inhibiting the corrosion etc complete.

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 have zinc mass of at least

7 NDSR 100 grams encased in conductive mortar. The anodes shall be soaked in water Nos 90 875.00 78,750.00

for about 30 minutes before installation. Work to be executed complete as per

manufacturer specification and the project consultants.

Insertion of sustainable release Powrthrow caplets:

Providing and inserting Sustainable release Powrthrow Caplets in RCC

elements including drilling the hole of required diameter (20-25 mm diameter)

and 30 mm depth in the RCC at 500 mm c/c in a zig-zag manner. Clean the hole

8 NDSR Nos 180 290.00 52,200.00

by removing the dust & insert the Powrthrow caplet. The rates are inclusive of

all materials, labour, machinery, equipment, tools, tackles

Nozzle Insertion for Grouting :

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

9 26.39 making the hole & crack dust free by blowing compressed air, sealing the Each 750 236.90 1,77,675.00

distance between injection nipple with adhesive chemical of approved make

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

Injection Grouting :

Providing and injecting approved grout in proportion recommended by the

10 26.35 manufacturer into cracks/honey-comb area of concrete/masonry by suitable 0.00

gun/pump at required pressure including cutting of nipples after curing etc.

complete as per directions of Engineer-in-Charge.

(The payment shall be made on the basis of actual weight of approved grout

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Date: 2024.12.16 18:23:43 IST

10.1 26.35.1 Cementitious Grouting : Kg

Stirrer mixed Acylic Polymer (of approved make @ 2% of weight of Cement

used) Modified Cement Slurry made with Non-Shrink Compound in Concrete / 500 119.30 59,650.00

RCC work.

10.2 26.35.3 Epoxy Grouting : Kg

Epoxy injection grout in concrete/RCC work of approved make 350 553.40 1,93,690.00

11 26.30 Fixing the Steel / Shear Bars :

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 0.00

grout of approved make but excluding the cost of reinforcement, all complete

as per direction of Engineer-In-Charge.

11.1 26.30.1 Upto and including 12mm dia Each 210 141.2 29,652.00

12 5.22A.6 Steel reinforcement : Kg

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

placing in position and binding all complete above plinth level.

Thermo-mechanically Treated bars of grade Fe-500D or more.

13 26.31 Bond Coat :

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

portion of RCC as per specifications and direction of EngineerIn-charge

complete in all respect.

13.1 26.31.1 SBR Based Cementitious Bond Coat : Sqm

SBR Polymer (@10% of cement weight) modified cementitious bond coat @

2.2 kg cement per sqm of surface area mixed with specified proportion of 800 141.2 1,12,960.00

approved polymer

13.2 26.31.2 Epoxy Bond Coat : Sqm

Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make 1350 285.2 3,85,020.00

Thixotropic Repair Mortar:

Repair with Dual shrinkage compensated, trowelable fibre reinforced

thixotropic 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

14 NDSR shall be built. Subsequent layer shall be built with one bond coat of Polymer SQM 500 1150.00 5,75,000.00

modified cement slurry. The polymer modified repair mortar shall be mixed,

applied and cured. The Compressive Strength of Polymer Modified Mortar shall

be ≥ 45 Mpa (28 days) according to ASTM C109.

Digitally signed by AMIT

Date: 2024.12.16 18:23:43 IST

MP PWD Repair Micro concrete:

Building SOR Item No. Application of repair Micro-concrete of M40 grade for Making up lost section of

14.65 concrete for thickness more than 30mm, after the application of bonding

15 agents to ensure stability of the concrete, followed by curing with water for at KG 8500 71.98 6,11,830.00

least 7 days. The rates are inclusive of all materials, labour, machinery,

equipment, tools, tackles

16 13.9 External Plaster : Sqm

Cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of

neat cement. 1450 587.20 8,51,440.00

13.9.2 - 20 mm cement plaster

17 13.21 Water proofing Material : Per Bag of 50kg

Extra for providing and mixing water proofing material in cement plaster work cement

in proportion recommended by the manufacturers. 215 22.10 4,751.50

18 13.22 External Finishing : Sqm

Extra for plastering exterior walls of height more than 10 m from ground level 920 87.10 80,132.00

for every additional height of 3 m or part thereof.

External Finishing :

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 preparing and plastering the surface of the walls complete, including

19 14.1 disposal of rubbish to the dumping ground, all complete as per direction of Sqm 200 560.50 1,12,100.00

Engineer-in-Charge.

14.1.2 : With cement mortar 1:4 (1 cement : 4 Coarse sand)

20 Maharashtra SSR 2022- External Finishing : RM

23 Providing and fixing chicken mesh of 22 gauge, with about 30 cm. width at the

Sr No.- 977 junction of R.C.C members and brick work, of approved quality including fixing 300 67.26 20,178.00

Item- 32.26 mesh in position by necessary drilling in concrete / B.B. masonry and or tying

by binding wire etc. complete.

Scaffolding System :

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.

21 14.72 The scaffolding system shall be stiffened with bracings, runners, connection Sqm 2700 338.25 9,13,275.00

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 Engineer-in-charge. The elevational area of the

scaffolding shall be measured for payment purpose.

The payment will be made once irrespective of duration of scaffolding.

Digitally signed by AMIT

Date: 2024.12.16 18:23:43 IST

Scaffolding Net :

Providing and fixing Scaffolding net of required width made of high density

Polyethylene UV stabilized knitted on warp knitting machine having density

100grams/ sqm and shading coefficient minimum 75% around the

22 26.81 construction site/ for vertical extension as per requirement including Sqm 2900 29.25 84,825.00

fastening/tying with building/ scaffolding pipes or with any other fixtures etc.

complete as per direction of Engineer- in-Charge.

23 13.91 Surface Preparation : Sqm

Removing dry or oil bound distemper, water proofing cement paint and the

like by scrapping, sand papering and preparing the surface smooth including 2900 25.15 72,935.00

necessary repairs to scratches etc. complete.

Waterproof Putty for External Finishing :

Providing and applying ready to use white cement based premium quality

waterproof putty of average thickness 1.5 mm over the previously moistened

plastered wall surface from bottom to upward direction to provide smooth

aesthetic finish complete. It shou;ld be Water Repellent, Anti-efflorescent and

Aesthetic finish with capabilities to fill minor hairline cracks and pin holes.

Surface should be sufficiently wet before applying the Waterproof Putty. The

24 NDSR Compressive Strength of Waterproof Putty shall be ≥ 2.75 MPa (07 days) Sqm 2900 212.00 6,14,800.00

(Make - Asian Paint / Berger / Kerrakoll or equivalent)

The rate shall includes cost of all required material, machinery, tools, tackles,

all consumables and labour wages etc. complete in all respect as per

manufacturer specification and as directed by the Engineer-In-Charge.

25 13.43 External Finishing : Sqm

Applying one coat of water thinnable cement primer of approved brand and

manufacture on wall surface. 2900 64.45 1,86,905.00

Maharashtra SSR External Finishing :

2022-23 Providing and applying 2-3 coats of 100% Pure acrylic low VOC free water

Sr. 1630 based paint of approved colour. Paint should provide durable and long lasting

Item No. 48.11 Chapter - silk finish with a high crack tolerance of upto 1 mm. Paint should have an

Colouring oustanding washability with high resistance to wide range of bacteria and

26 fungus. Paint has to be applied on smooth and uniform surface prepared by an Sqm 2900 363.44 10,53,976.00

acrylic copolymer low VOC. This surface should be primed with water based

low VOC Primer. The work activity should cover all aspects of applying paints

as directed by Engineer in charge.

Digitally signed by AMIT

Date: 2024.12.16 18:23:43 IST

Disposal of Unserviceable Material :

Disposal of building rubbish / malba / similar unserviceable, dismantled or

waste materials by mechanical means, including loading, transporting ,

27 15.60 unloading to approved municipal dumping ground or as approved by Engineer- Cum 100 263.95 26,395.00

in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Total Amount Including GST

Total Amount Including GST

Digitally signed by AMIT

Date: 2024.12.16 18:23:43 IST