ALHW/DCE A/EE NS/Tend 04/2026-27(Recall)/1457

Surface preparation to receive micro concrete by chipping to depth of max.75mm, cleaning, removing the traces of dust, loose concrete etc.including cost of all labour charges, minor tools, labour cess, GST etc.complete.

Replacement of reinforcement as additional bars including bending, cutting, welding and fixing, including cost of steel, transportation charges, all labour charges, minor tools, labour cess, GST etc.complete.

Steel centering and shuttering including strutting proping etc.and removal of form for :Columns, Pillars, Pipes, Abutments, Posts and struts, including cost of all materials, all labour charges, minor tools, labour cess, GST etc.complete.

Drilling holes in the existing structure with mechanized boring machine to an average dia of 100mm at required location for pouring the micro concrete including cost of all labour charges and machineries etc.complete.

Supply and apply of high strength, non shrink cementilous free flow micro concrete (With minimum 28 days flexural strength 50 Kg/ Sqcm and compressive strength 500 Kg/Sqcm. As per BS 4551-80) for above water level using 12mm down size graded stone chips with the ratio of 1:0.75 (1 high strength & non shrink cementitious micro concrete chemical 0.75 12mm to 6mm stone chips) on site to enable completion of pouring in a continous operation. An approved grout concrete mixer of slow speed heavy duty drill and exact quality of water as recommended should be poured into the mixing vessel with cleaned stone chips of size 12mm to 6 mm slowly and mix the same thoroughly in a forced action. The mixed material should be placed immediately to positioned formwork continously to an average thickness of 75mm without any gap.including cost of all materials, labour charges, minor tools, labour cess, GST etc.complete.

Anticorrosive coat on bars : Supplying , preparing and priming the reinforcement steel with Epoxy Zinc primer or Epoxy Zinc Primer or epoxy anti corrosive paint ( Confirming to IS/BS certification ), including cost of all materials all about charges, minor tools etc., complete.

Supply and application of Epoxy Conctete Bonding agent (Confirming to and having BS 6319 certification) cleaned and properly prepared old concrete surface to give good bonding between old and new concrete, including cost of all materials, labour charges, minor tools, labour cess, GST etc.complete.

Supplying, mixing and applying CURING MEMBRANE or equivalent with water including cost of materials, labour charges, minor tools, labour cess, GST etc.complete.

Protective Coat : Supplying and applying two coats of IPH - Conguard or DECKGUARD 'S' or equivalent by spray or brush over the prepared surface and allow it to dry including cost of materials, labour, brushes, tools, equipments labour cess, GST etc. complete. The polymer material properties are to be as follows: 1. Water absorption test in (%) : 0.15 %