Special repairs to jetty at Dugong Creek in Little Andaman

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, transportation cost, minor tools, labour cess, GST etc., complete.

Reinforced concerete works in beams, suspended floors, roofs, landing, balconies, shelves, chajjas, lintels, bands, plain window sil, stairs and spiral stairs upto floor V levels.excluding cost of centering, shuttering, finishing and reinforcement but including cost of all materials, transportation charges of construction material upto work site. 1:1½ :3 (1 Cement, 1½ Mainland river sand, 3 graded stone aggregates 20mm size).

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, propping etc. and removal of form for Columns, Pillars, Pipes, Abutments, Posts and struts including cost of all materials, all labour charges, transportation cost,minor tools, labour cess, GST etc. complete.

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

Supply and apply of high strength, non shrink cementitious free flow micro concrete (With minimum 28 days flexural strength 50Kg/ Sqcm and Compressive strength 500Kg/ Sqcm- As per BS 4551-80) for above water level using 12 mm down size graded stone chips with the ratio of 1:0.75 (1 high strength of 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 quantity of water as recommended should be poured into the mixing vessel with cleaned stone chips of size 12 mm to 6 mm slowly and mix the same thoroughly in a forced action. The mixed material should be placed immediately to positioned from work continuously to an average thickness of 75mm without any gap including cost of all material, labour charges,transportation cost, minor tool, labour cess, GST etc complete.

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

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

Lock set: Mark the holes at the required spot, Drill the pilot holes using 14mm dia hammer drill bit to a depth of 150mm. Clean the holes with the good water. Mix the base and hardener of Polyster resin LOCKSET "S" pour the same to the 2/3 of the depth and insert the shear connecting rod of 12mm dia gently into the prepoured holes, pack the gap, if any. Allow it to set for min.20 minutes with out disturbing including cost of all materials, all labour charges, transportation cost, labour cess, GST etc., complete.