Retrofit Works of Office cum Commercial Building –Karmachari Sanchaya Kosh

Retrofit Works of Office cum Commercial Building –Karmachari Sanchaya Kosh

This project involved the structural retrofitting of the Office cum Commercial Building of Karmachari Sanchaya Kosh located in the heart of Kathmandu. The retrofit was part of a broader effort to enhance seismic performance, structural safety, and durability of aging infrastructure in high-density urban zones.

Executed under Package-1, the scope included advanced carbon fiber wrapping, epoxy injection grouting, steel plate reinforcement, and RCC strengthening using high-grade concrete. All works adhered to rigorous engineering standards suitable for critical public infrastructure.

Client

Sanchayakosh Gharjagga Byawasthanpan Company Pvt. Ltd. (SGBC)

Location

Tridevi Marga, Thamel, Kathmandu

Project status

Completed

Karmachari Sanchaya Kosh

Retrofit Works of Office cum Commercial Building –Karmachari Sanchaya Kosh

This project involved the structural retrofitting of the Office cum Commercial Building of Karmachari Sanchaya Kosh located in the heart of Kathmandu. The retrofit was part of a broader effort to enhance seismic performance, structural safety, and durability of aging infrastructure in high-density urban zones.

Executed under Package-1, the scope included advanced carbon fiber wrapping, epoxy injection grouting, steel plate reinforcement, and RCC strengthening using high-grade concrete. All works adhered to rigorous engineering standards suitable for critical public infrastructure.

Client

Sanchayakosh Gharjagga Byawasthanpan Company Pvt. Ltd. (SGBC)

Location

Tridevi Marga, Thamel, Kathmandu

Project status

Completed

Scope of Work

RCC Strengthening with M30 Concrete:

  • Supplied, mixed, and placed M30-grade concrete for critical structural sections

  • Ensured load-bearing capacity upgrade for key beams, columns, and slabs

Carbon Fiber Wrapping (Mapewrap System):

  • Applied Mapei Mapewrap carbon fiber system to enhance structural performance and ductility

  • Used for seismic strengthening and flexural/shear upgrades of columns and beams

Mild Steel Plate Retrofitting:

  • Installed mild steel plates for structural reinforcement at selected zones

  • Provided confinement and additional shear strength to vulnerable joints

Epoxy Injection Grouting:

  • Supplied and installed a high-performance, low-viscosity epoxy resin injection system

  • Targeted micro-cracks and voids to restore integrity and waterproofing of structural elements

Project Highlights

  • Strengthened a major institutional commercial building in central Kathmandu

  • Applied international-grade retrofitting techniques for earthquake resilience

  • Used proven technologies like Mapewrap CFRP, epoxy injection, and steel retrofitting to future-proof critical infrastructure

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