Strengthening of Wagon tippler-2 hydraulic system foundation at NTPC Barh.

Amount

Nonschedule items

Providing & applying micro concrete (SikaRep-4) Surface preparation includes breaking concrete cleaning of dirt, rust and concrete by wire brushing. Oil and grease deposits shall be removed. Providing and applying structural grade two component epoxy bond coat including centering & shuttering. (16mm & 12mm rod will be issued by NTPC free of cost)

Core cutting in concrete of 52 mm diameter & 900 mm depth and further make this section as square size by chiseling etc. up to full depth of 900 mm with all machines, tool tackles & labour complete and removal of core with bolt. After removal of core the hole to be cleaned properly by removing debris/loose materials

Providing & Fixing Anchor bolts HIT-V graded 8.8 M30x1000mm including nut, washer.

Providing & Fixing with HIT-RE500V4 grout in 30mm dia bolt core dia 52mm fitting filling Hilti RE500V4 resin and hardener using serrated nozzle to eliminate mixing error with standard dispenser as per the manufacturer’s recommendations. Minimum Embedment Depth of Anchor Rod is necessary or as giuded at site by Engineer In-charge.This reinforcement to be further extended/laid along properly as per instruction of EIC

Supply & fixing 12mm dia NRV Nozzle in honeycomb area and along crack line including drilling of holes of required diameter up to depth 100mm at required spacing all complete with materials , equipment’s and labour as per direction of EIC.

Supplying and application of Epoxy Grouting with Monopol material of (Krishna Conchem) Pressure Grouting/ Injection through 12mm dia NRV Nozzle in honeycomb area and along crack line including drilling of holes of required diameter up to depth at required spacing all complete with materials, equipments and labour as per direction of EIC. Material:- Monopol of Krishna Conchem or equivalent.