Mumbai University Tender

Removing loose rust from the reinforcement bars by wire brushing, light hammering etc.and applying sulphate and chloride free inorganic single component rust remover Rusticide as approved by Engineer incharge conforming to IS 9077.The rusted surface shall become black is hnon rusted colour.After24 hours of application of rust remover, loose particles shall be removed by brush.Apply one more coat of Rusticide.Apply bonding coat slurry of high performance acrylic polymer-Methyl 2-methylprospecial cements, aldehydebasedpolymerswith thixotropymodifyingagents as approvedbyEngineer incharge (ThePolymerModifiedMortar(PMM)shouldattainmin.comcanbetrowel appliedor sprayed.Whenapplyingbyhand,polymermodifiedmortarmust be forced tightly into the substrate toensurecomplete contact with the substrate. (If scaffolding is required, same shall be provided andwill be paid under relevantitem)(Upto 15 mm thickness at a time).. As per PWD DSR 2022-023,item no. 52.35

Providing and laying Cast in situ/Ready Mixcement concrete in M20 of trap/ granite/quartzite/gneiss metal for steps including steel centering, formwork, laying/pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. The Cement Mortar 1:3 plaster is considered for rendering uneven and honeycombed surface, only. Newly laid concrete shall be covered by gunny bag, plastic, tarpaulin etc. (Wooden centering will not be allowed.), with fully automatic micro processor based PLC with SCADA enabled reversible Drum Type mixer/ concrete Batch mix plant (Pan mixer) etc. complete. With fine aggregate (Crushed sand VSI Grade) As per PWD DSR 2022-23, Item No .24.06

Providing and fixing corrugated galvanised iron sheets of 0.63mm thick (24 B.W.G.) for roofing without wind tiles including fastening with galvanised iron screws and bolts, lead and bitumen washers as per drawing etc. complete.(Weight of 5.5Kilogram/sq.m.)..As Per PWD DSR-2022-23, item no.38.04