Repair/ Renovation of water proofing Treatment to 1.00 lac gallons at Bandhurakh Kunjwani under Own Source.

Demolishing cement concrete manually/by mechanical means including disposal of material within 50 meters lead as per direction of Engineer-incharge: 1:3:6 or richer mix (i/c equivalent design mix)

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

Cement concrete flooring 1:2:4 (1cement: 2 coarse sand: 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry and curing complete, but excluding the cost of nosing of steps etc. complete. 50 mm thick with 20mm nominal size stone aggregate.

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

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Providing and applying crystalline mortar by mixing in the ratio of 4.5 :1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled &honeycombed surface of RCC underground structures like basement, water tanks,bridge deck etc. to ensure water tightness. The crystallie mortar shall conform to the EN 1504-3 having compressive strength Class R4 > 45 MPa and adhesive bond strength Class R3 > 1.5 MPa. The work shall be carried out all complete as per specification and the direction of the Engineer-In-Charge. The product performance shall carry guarantee for 10 years against any leakage.23.23.1 For sealing cracks and faulty construction joints, routed out/making U-shape groove size 25x25mm and then primed the area with integral crystalline slurry @0.05kg/ running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50kg/ running metre. Once crystalline mortar is touch dry then finally applied two coats of integral crystalline slurry @0.05kg/ running metre per coat.

Providing and fixing double scaffolding system ( cup lock type ) on the exterior side of building/ structure, upto 25 mtrs height above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 mtr.c/c, horizontal and vertical tubes joint with cup and lock system with M.s tube, M.S tubes Challis M.S clamps and stairs case system in the scaffolding for working platform etc. and maintaining it in a serviceable condition of execution of work of cleaning and/ or pointing and/or applying chemical and removing it their after the scaffolding system shall be stiffened with bracings, runners connecting with the building etc. where ever required. if feasible, for inspection of work at required location with essential safety features for the work men etc, complete as per directions and approval of Engineer-in-charge.

Finishing walls with water proofing cement paint of required shade on New work (two or more coats applied @ 3.84 kg/10sqm