Dam & Tunnel Repair
Specialized repair and waterproofing solutions for India's most critical hydraulic and underground infrastructure.
Critical Infrastructure Repair
Dams and tunnels represent India's most critical and long-lived infrastructure. With lifespans designed to exceed 100 years, these structures must be maintained and repaired to the highest standards. Water ingress through cracks, construction joints, and deteriorated concrete poses both structural safety risks and significant water loss in the case of reservoirs.
JKumar Build Tech brings specialized expertise, materials, and equipment to dam and tunnel repair projects - working alongside government bodies, CPWD, NHAI, metro rail corporations, and major infrastructure contractors across India.
Dam Repair Services
Crack Injection
Polyurethane and epoxy injection into dam body cracks to stop water seepage and restore structural integrity under hydrostatic pressure.
Waterproof Concrete Repair
Application of specialist waterproof repair mortars and cementitious coatings to dam faces, spillways, and aprons exposed to continuous water contact.
Gallery & Drainage System Repair
Repair and waterproofing of internal inspection galleries, drainage adits, and gate chambers within dam structures.
Joint Sealing & Waterstop Installation
Replacement and installation of waterstop systems in construction and expansion joints using PVC, copper, and injectable waterstop profiles.
Tunnel Repair Services
Tunnel Lining Waterproofing
Application of crystalline waterproofing systems and polyurethane injection to stop groundwater ingress through tunnel lining cracks and construction joints.
Shotcrete Repair & Lining
Steel fiber or polymer fiber reinforced shotcrete for repair and thickening of deteriorated tunnel linings.
Grouting Behind Lining
Contact grouting and consolidation grouting behind tunnel linings to fill voids and stabilize surrounding ground.
Drainage & Waterproofing Membranes
Installation of geotextile and geomembrane drainage systems to manage groundwater around tunnel structures.
Our Expertise
- ✓Government & CPWD projects
- ✓Metro rail tunnels
- ✓Road & railway tunnels
- ✓Gravity, arch & earthfill dams
- ✓Canal lining & repairs
- ✓Hydro power structures
Discuss Your Project
Our specialists handle the most complex dam and tunnel repair challenges across India.
Contact Our Experts📞 +91 88603 03034