ALHW/DCE A/EE NS/Re Tend 01/2026-27/1475

Scaffolding : Providing and fixing double scaffolding system (cup lock type ) on the exterior side, up to seven storey height made with 40mm dia M.s tube 1.5 m center to centre with M.S tube , M.S Challies , M.S Clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings runners, connection with the building etc. wherever required for inspection roof work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer -in-charge . The plan/elevation area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding shall be measured for payment purpose . The payment will be made once irrespectve of scaffolding.(Transportation of all material to from Sri Vijaya Puram to work site shall be paid separately).

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.

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 /similar with water including cost of materials, labour charges, minor tools, labour cess, GST etc.complete.(Transportation of all material to from Sri Vijaya Puram to work site shall be paid separately).

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 %

Lockset: Mark the holes required spot. Drill the pilot holes using 14 mm dia hammer drill bit to a depth of 150 mm .Clean the holes with good water.Mix the base and hardener of polyester resin LOKSET "S" or equivalent pour the same to the 2/3 of the depth and insert the shear connecting rod of 12 mm dia gently in to the prepoured holes .Pack the gap if any.Allow it to set for mn 20 minutes without disturbing including cost of all materials inclusive of GST, all labour charges, etc.complete.(Transportation charges of all materials, machineries, will be paid separately)