Rehabilitation and Strengthening of Existing Landing Jetty at JN Port

Amount

Carrying out under water survey with Robotic Remotely Controlled Vehicle (ROV) instrument, of the damaged portions of piles, recording of the same in visible format, working out the area required for treatment and recording post treatment provided including all instruments, surveyors, labour, divers, software, prearing and submitting reports etc. complete.

Providing and applying approved chemical for Algae Fungi removal and applying approved chemical for removal of corrosion from TMT and other steel structure. Applying approved chemical for removal of oil from surface, cleaning with hard wire brush, grinder with Diamond wheel, breaker,water jet, compressed air blower to remove all loose particles as per manufacturer's specification (using other manual / mechanical means) including all materials, scafolding, transportation and labors, charges of boat, pontoon, crane, welding machine and all machineries required to carry out work etc. complete as per specification and as directed by engineer-in-charge.

Providing and applying Poly Ironite Ceramic Cementitious (PICC) of approved mix which should be impermeable, high abrasion resistant, high compressive strength, non-shrink, anti – skid, UV resistant , self curing repair mortar to fill the cavities and level the surface . Apply epoxy fill the side gap / small pot holes upto a depth 20 mm for bonding the old surface to new repair mortar etc. as per manufacturer's specification (using other manual / mechanical means). Apply mixture etc. complete with all leads and lifts, all materials, scafolding, transportation and labors, charges of boat, pontoon, crane, welding machine and all machineries required to carry out work etc. complete as per specification and as directed by engineer-in-charge.

Providing & applying chemicals of approved make for removing existing corrosion and cleaning the exposed steel structure or TMT bars of structure by grinding the surface with grinder machine, wire brush, also removing loose particles by water jet, (using other mechanical / manual means) and apply two coats of approved chemical/s on prepared surface as a primer for bonding of old surface to new surface. After primer application apply final coat of corrosion preventive coat on primer to TMT bars or steel structure as per manufacturer's specification ( using other manual / mechanical means) including all materials, scafolding, transportation and labors, charges of boat, pontoon, crane, welding machine and all machineries required to carry out work etc. complete as per specification and as directed by engineer-in-charge.

Providing & applying organic polymer for conversion of unwanted substrate (Burr) on metal surface crystal structure modification to remove oxide by high pressure waterjet cleaning / grinding, wire brush, washing or mopping also removing loose particles (using other mechanical / manual means). Measure the burr on the surface by burr measuring gauge, If the burr is above 25 microns repeat the cleaning till burr is below 25 microns. Also apply oil remover and blend of active Ceramic, Alumina and modified Polymer (cold metalizing process). Apply 2 coats with a thickness 40 micron on prepared metal surface. After primer application apply two coats corrosion preventive from outer side final coating Bituminous Epoxy (rapid setting Bitumen emulsion and water miscible epoxy i.e. modified epoxy resin and special hardener), 2 coats with a thickness of 300 micron (Ant rodent, high corrosion resistance, chemical resistance, high abrasion & impact resistance, corrosion protection). From inner side apply approved material fixed on repaired surface by anchoring, with approved sealing of metal plate joints. as per manufacturer's specification ( using other manual / mechanical means) complete as per specification including cost of all materials, scafolding, transportation and labors, charges of boat, pontoon, crane, welding machine and all machineries required to carry out work etc. complete as per specification and as directed by engineer-in-charge.

Providing & grouting by Poly Ceramic Ironite Cementitious approved material as per requirement to reduce the porosity of concrete structure and to increase the strength of structure using grouting pipes, grouting m/c, mixer etc to existing piles etc. and all relevant safety with all leads and lifts, all materials, scafolding, transportation and labors, charges of boat, pontoon, crane, welding machine and all machineries required to carry out work etc. complete as per specification and as directed by engineer-in-charge.

For pile metal plate jacketing - Providing & applying organic polymer for conversion of unwanted substrate (Burr) on metal surface crystal structure modification to remove oxide by high pressure waterjet cleaning / grinding, wire brush, washing or mopping also removing loose particles (using other mechanical / manual means). Measure the burr on the surface by burr measuring gauge, If the burr is above 25 microns repeat the cleaning till burr is below 25 microns. Also apply oil remover and blend of active Ceramic, Alumina and modified Polymer (cold metalizing process). Apply 2 coats with a thickness 40 micron of adhesive coating on prepared metal surface. After primer application, apply coat of (two coats) of corrosion preventive from outer side and final coating of Bituminous Epoxy (rapid setting Bitumen emulsion and water miscible epoxy), 2 coats with a thickness of 300 micron shall be applied. (Ant rodent, high corrosion resistance, chemical resistance, high abrasion & impact resistance) complete as per specification including cost of all materials, scafolding, transportation and labors, divers, charges of boat, pontoon, crane, welding machine and all machineries required to carry out work etc. complete as per specification and as directed by engineer-in-charge.

Above Water

Under Water

Providing & applying impermeable, high compressive strength, monolithic application, excellent bond strength, high abrasion resistance, UV resistance, self-curing, non-toxic polymer based cementitious mortar named as Poly Ironite Ceramic Cementitious (PICC) for filling of piles area upto 50 mm or as per surface conditions and also treatment of honey combing areas etc. Cleaning will be done by remove all loose particles, dust particles or any other foreign material/particles using manual or mechanical means by underwater person.Removing of algae fungi followed by High Pressure Water Jet and Compressed Air blower. Complete as per specification including cost of all materials, scafolding, transportation and labors, charges of boat, pontoon, crane, welding machine and all machineries required to carry out work etc. complete as per specification and as directed by engineer-in-charge.

Supplying , cutting and bending & placing of TMT Fe 500 grade reinforcement steel for pile, pile muff, beam and under side of slab including transportation welding, binding, with binding wire etc complete

Ratnashree Construction Company

Sanjay Construction Company

BDS Projects India Pvt. Ltd.