Restoration of Pile Approach and Special Repair to Wharf at Mayabunder in North and Middle Andaman (Phase-II).

Surface prepration to receive micro concrete by chipping to depth of max. 75mm, as directed by EIC, cleaning, removing the traces of dust, loose concrete etc., Including cost of all materials, all labour charges, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.

Replacement of reinforcement as additional bars including bending, cutting, welding and fixing etc, including cost of steel FE500D, hire charges of diesel welding sets, welding rod, cost of all materials, all labour charges, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.

Lockset : 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 LOKSET "S" 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 min. 20 minutes with out disturbing including cost of all materials, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.

Anticorrosive Coat: Supplying, preparing, and priming the reinforcement steel with Epoxy Zinc Primer or epoxy anti corrosive paint (Confirming to having IS/BS certification), including cost of all materials, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.

Supply and application of Epoxy Concrete Bonding agent (Nitobond EP or Equivalant)and over cleaned and properly prepared old concrete surface to give good bonding between old and new concrete, including cost of all materials, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.

Providing and fixing the sacrificial anode (Fosroc Galvashield XP or Equivalent) over the main reinforcement of pile, columns, Deck Beams and Deck Slabs etc. as per the manufacturer specification and sdesigned spacings, as sacrificial anode to the reinforcement against corrosion, including transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.

Centering and Shuttering of the structures including strutting propping etc. and removal of form for coloumns, pillars, beams and slabs etc, as directed by engineer-in-charge, including cost of all materials, transportation charges of the all materials to the work site, all labours charges , labour welfare cess, minor tools & plants including GST etc complete.

Supply and apply of high strength, non shrink cementitious free flow micro concrete (With minimum 28 days flexural strength 75Kg/ 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 & 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 mainland 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 form work continously to an average thickness of 75 mm without any gap. Including cost of all materials, all labour charges, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including 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 on site (by using 12 mm down size graded mainland stone chips ) 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 vessel slowly and mix the same thoroughly in a forced action. The mixed material should be placed immediately to positioned form work continously to an average thickness of 50 mm without any gap. Including cost of all materials, all labour charges, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.

Supplying, mixing and applying CURING MEMBRANE (Nitobond AR or equivalent confirming to BS Codes) with water. Including cost of all materials, all labour charges, transportation charges of the all materials to the work site, all labours charges, labour welfare cess, minor tools & plants including GST etc complete.