Old building civil repair task

Problems & Solutions

Old Building Repair and Maintenance

CSR Consultant & Associates

Building Maintenance Or

Building Repair

Classify Problems

CSR Consultant & Associate

• Hairline Crack formations• Repainting• Cleaning / Coating of areas• Attending Leakage, if any

Building Maintenance

• Classification of Problems• Remedial Solution• Long lasting solution• Extension of Building life• Regular maintenance

Building Repairs

• Structural RCC component• Various causes of Deterioration• Types of Deterioration

Classification of ProblemsFor “Building Repair”

• Terrace Leakage occurrence• Chajjas conditions• RCC Column / beam strength• Any internal changes carried• Plumbing Lines• Drainage Lines• Electrical Lines• Centralized Cooling System

Problem Components - 1

• Wall Displacement• Structural stress• Wall sagging• Concealed Piping, valves and Pump m/c foundation• Internal / External water seapages• Foundation settlement

• Brick exposing• Cracks in Plaster• Pardi conditions• Brick wall – separation joint• Cracks due to finishing, thermal expansion, carbonation, moisture change in soils and creep.

• Conceal of Electrical conduits• Spacing of Piping from walls• Water rise at basements• WC, Kitchen, Bathroom, Nahni trap leakages• Staircase tops, Lift tops• Roof enclosures

• Spalling of Concrete• Vegetative growth• Modification / Extensions• Packing of mortar in RCC• Cracks 1 – 1.2 mm or more• Crevics, Joints, Junctions• Corrosion of steel, ingress

• Overhead and Underground water tanks• Additional loads on RCC• Stilt areas Load capacity• Perimeter surround• Enclosures, Doors and gates

1. Defining micro - macro level of problems.2. Providing solution based on requirement, feasibility and economics

Viz a viz Solutions

HOW TO MANAGE THIS ?

………….. ???

CSR CONSULTANT & ASSOCIATES“No. 1 Project Management Consultant”

www.buildingrepair.in

Provides End to End Solution for building repair and maintenance needs….

1. Building survey / Audit2. NDT Testing3. Identification of repairs4. Budgeting5. Cost Analysis6. Tender Management7. Contractor Evaluation8. Awarding contract &

Agreement9. Project Management

Consultancy (PMC)

Company ProfileCSR Consultant & Associates comprises of following departments

1. Technical Audit / Surveys2. Project Mgmt - PMC3. Accounting4. Documentation5. Site Incharge

Step wise - Project Details

1. Submission of proposal for carrying the Structural audit / Surveys and Project Management Consultancy for carrying the Repair and Maintenance of buildings.

2. Society to release LOI to CSR.3. CSR to schedule plan for Building Audit4. Discuss with managing committee and

derive best possible solutions.5. Submission of final report along with BOQ.

6. Society to Plan budget and collections7. CSR to prepare Tender document and

submit copy to Society8. Float tender document9. CSR submits Contractors comparative

chart10. Selection process, one to one meeting

with selected few Contractors and awarding of contract

11. CSR to provide time schedule preparation with Contractor

12. Mobilization of work13. Quality, Quantity and bill certifications14. CSR to schedule intermediate meetings for

any change in scope of work and update the work in progress to society managing committee

15. Final completion and closure report

Few Technical pictures

Actual site pictures from ……….. Co-op Hsg Soc. Ltd.

NDT Tests 1. Core tests to determine the estimated equivalent in situ compressive strength & to establish correlation between Rebound hammer test & in situ strength of concrete.2. Rebound Hammer test to estimate the in situ compressive strength of cover concrete.3. USPV test to assess the integrity of concrete.4. Carbonation test to assess the depth of carbonated concrete.5. Half cell potentiometer test to determine the probability of active corrosion.6. Cover test to assess the cover provided to RCC structural members.

Half Cell Potentiometer Test

Ultrasonic PulseVelocityTest

CarbonationTest

Chemical AnalysisTest

Convermeter Test

ReboundHammerTest

Sr. No

Description Qtysq ft

Rate Amount

Patch work Plaster for external wall:Procedure: Breaking loose plaster. Cleaning with wire and brush. Applying one coat of grey cement polymer coating. Applying sand face external patch work plaster in 2 coat with average thickness of 20mm.Areas covered: External wall, compound wall.

Sr. No

Rate Amount

RCC Structural Repair: Making V groove to the depth of 10mm, till the tough surface is reached. Applying rust remover for exposed reinforcement. Application of Rust passivator compound to stop further deterioration or rusting. Moisturize the surface with water till it gets saturated. Sponge the surface till the surface is free of water. Applying cement polymer slurry in the ratio of 1:1. Level the gap with Polymer modified Cement mortar of ratio 1:5:15. Areas covered: For deteriorated Plaster at the RCC areas.

Sr. No

Rate Amount

External Painting work: 100% Acrylic Paint (Apex)Curing the surface with wire and brush. Moistening the surface with clean water. Drying the surface. Applying one coat of primer and 2 coat of 100% Arcylic paint. (Make - Asian, ICI, Nerolac, etc)

Sr. No

Rate Amount

Grill painting: Oil PaintProcedure: Cleaning surface with wire and brush. One coat Red Oxide and 2 coat Oil paint. (Asian, ICI, Nerolac, etc)

Sr. No

Rate Amount

Staircase area & Passage Painting work: Plastic Emulsion paintProcedure: Cleaning the surface with wire and brush. Exposing the crack and treating if any. Surface preparation with 1 coat primer, 1 coat putty. Applying 1 coat of primer and 2 coat of Plastic Emulsion paint. (Asian, ICI, Nerolac, etc)

Sr. No

Rate Amount

Optional: Texture coating for dead wall: Synthetic Texture coating.Procedure: Cleaning the surface with wire and brush. Exposing the crack and treating if any. Surface preparation with 1 coat Texture coating and 2 coat of paint.

Comparative Sheet derived from Contractors

participation

PMC Services to closure report

Your Questions !!!

We shall be honoured to associate with you.

Thank youByRajesh Barapatre (B.E.,Delhi)09323547766

CSR Consultant & Associates

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