Industries And Commerce Department Tender

50mm average thickness

25mm average thickness

Removing concrete all around reinforcement including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap). Length of reinforcement bars cleared of concrete all around shall be measured for payment.

Bars up to and including 12mm diameter

Bars above 12mm diameter

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

Bars upto12 mm diameter

Providing and applying injection grouting using cement slurry admixed with Fosroc Chemical Conplast WL or any other equivalent compound @ 300 ml/ Bag of cement through the uPVC nozzles ( 12mm dia uPVC/ Plastic Nozzles - 4" to 9" long @ 5 No: / Sqm of area) , provided into the cracks/ honeycombed areas using 140 PSI hand operated Grouting Pump under pressure till the refusal,doing final Cement slurry Grouting (after 28 Days),, finally cutting & sealing of Nozzle. including all labour, supervision, tools and tackles and transportation etc. complete as per direction of Engineer -in- charge.

Providing and inserting 12mm dia Aluminium/ galvanized iron injection nipples along crack lines or honey-comb area, including:- i) drilling holes of required diameter up to depths from 40mm to 80mm or half the thickness of member (whichever is less), at required spacing but not exceeding the thickness of member or 300 mm ii) Making grooves of size 12mm x 12mm along the crack line. iii) Making the crack dust free by blowing compressed air and then washing with water. iv) Sealing the distance between the injection nipples with approved putty -epoxy putty etc and allow it to cure complete as per the direction of Engineer-in-charge.( The rate shall include all material, labour and all operations above. The cost of grout material shall be paid separately on the basis of actual quantity consumed. iii) Making the crack dust free by blowing compressed air and then washing with water. iv) Sealing the distance between the injection nipples with approved putty -epoxy putty as indicated in the list of preferred makes etc and allow it to cure. complete as per the direction of Engineer-in-charge. (The rate shall include all material, labour and all operations above. iii) Making the crack dust free by blowing compressed air and then washing with water. iv) Sealing the distance between the injection nipples with epoxy putty of approved manufacturer as indicated in the list of preferred makes etc. and allow it to cure complete as per the direction of Engineer-in-charge. (The rate shall include all material, labour and all operations above.

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.

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 Engineer-In-charge complete in all respect.

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

Providing and fixing special water tight centering and shuttering including bolting, strutting, propping etc so as to withstand a pressure of 0.1 Mpa including removal of forms for all locations for columns repair.

Providing and placing in position Micro-concrete, which shall be cement based pre-packed single component, chloride free, non-shrink, free flow, self compacting, ready to use after mixing water in specified proportion obtained from approved manufacturer as per specification and directions of Engineer in charge (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument).

Grade M40

Supplying and Applying two or more coats of ready mixed UV resistant acrylic polymer based water proof coatings with broad brush or roller over prepared and primer applied surface using not less than theoretical consumption as per the manufacturer’s specifications and directions of Engineer-in-Charge (time gap between two coats of coatings shall be not less than 8 hours).

Carriage of Dismantled building rubbish material/waste material outside the complex inclusive of the loading and unloading and disposal of to the unobjectionable place by mini truck

Labour for Carriage of malba/material from various floors to Ground Floor complete in all respect to the entire satisfaction of Engineer in charge.