Special civil repair works at FCI flat no 42,43 and 722 at Asian Games village, New Delhi

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 cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge. 50 mm average thickness

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 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. Bars above 12 mm diameter

Providing and applying anticorrosive treatment to exposed structural reinforcement to two coats of approved make and to be applied with paint brush with time interval of minimum 8-10 hours between each coat after the application of two coats of alkaline rust converting primer. (The measurement shall be Sqm of repaired / treated concrete surface area.)

Providing and inserting 12 mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20 mm to 30 mm) up to depth from 30 mm to 80 mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of EngineerIn-Charge.

Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable 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 injected.) Epoxy injection grout in concrete/RCC work of approved make

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. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Providing and applying shrinkage-controlled, polymer modified, fibre reinforced cementitious repair mortar of Grade M45 Make FOSROC on the prepared surface by wet spray application, or by hand/trowel where necessary, and curing with an approved curing compound. The material shall be a single component, pre-packed system, mixed with clean water at a water–powder ratio of approximately 0.18 (4.25-4.50 litres per 25 kg bag). The maximum thickness for each layer of PMM application shall be limited to 15 mm, bond coat should be applied before application of each layer and work to be done in multiple layers, with overhead applications up to 25-50 mm and vertical applications up to 50-60 mm, built in layers as required.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

12 mm cement plaster of mix :1:4 (1 cement: 4 fine sand)

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete