REPAIR MAINTENANCE OF JETTY FLOORING, PAINTING AND IT ASSOCIATED WORKS OF FINGER JETTIES AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

M&L for cleaning of oil spilled flooring surfaces of jetties with soap water and fresh water jet pressurized application to get clean surfaces prior to the application of traffic guard renewal coat on the flooring of jetties complete all as specified and directed.

Complete removal of existing jetty floor painting like traffic guard or any description by means of mechanical scarifier / grinding to achieve a rough, co-herent substrate, removing all the loose particles, dirt etc., and the prepared surface is washed thoroughly with high pressure water jet and allow it to dry complete and disposal of the rubbish from the Naval Dockyard complete all as specified and directed.

M&L for demolished / removing the existing damaged, peeled out floor treatment of any description (20 to 23mm average thickness) by mechanical scarifier / suitable tools to expose the concrete surface and disposal of the rubbish from the Naval Dockyard complete all as specified and directed.

M&L for surface preparation of the existing rough surfaces of concrete (after removal of existing flooring under item No 3 above) by means of mechanical scarifier / grinding to achieve a rough, co-herent substrate to form a mechanical key for floor topping, removing all the loose particles, dirt etc., and the prepared surface is washed thoroughly with high pressure water jet and allow it to dry complete all as specified and directed.

M&L for crack repairs by widening the cracks 0.25mm to 9mm wide, groove cutting to V shape in existing jetty slabs, cleaning out by removing loose particles by mechanical blower and application of Epoxy based primer Nitoprime 25 to the groove and allow it to dry and application of Epoxy putty Nito VF in the prepared groove after complete drying of the applied primer complete all as specified and as directed. Make : Nitoprime 25 of Fosroc or E-in-C's approved make as approved by GE

M&L for fixing injection grouting nozzle of suitable size and injecting grouting depth upto 150mm dia and 20mm dia material, low viscosity epoxy based grouting material Conbextra EP10 of Forroc or any approved make of E-in-C's in to the cracks with pressure of 40 psi mechanically including sealing the hole complete all as specified and directed. Note: Conbextra EP10 or make as approved by GE.

M&L for patch repair in concrete surfaces of depth more than 20mm with shrinkage controlled polymer modified fibre reinforced Cementitious patch repair mortar Renderoc SP40 of Fosroc make having a compressive strength of 45 Mpa over a coat of Nitobond SBR on the base surfaces complete all as specified and as directed. [Note : 25 Kg of Renderoc SP40 bag ready to use at site by mixing with water at 4.25 Ltr per bag shall be used for patch repairs in concrete.] Make : Renderoc SP40 of Fosroc or E-in-C''s approved make as approved by GE

M&L for application of bonding coat on the prepared old concrete surfaces of the jetty with two component epoxy based bonding agent Nitobond EP of Fosroc make for laying 20mm thick Cementitious flooring system all as specified and as directed. Make : Nitobond EP of Fosroc or E-in-C's approved make as approved by GE

M&L for 20mm thick cementitious flooring system after application of epoxy based bonding agent on the prepared jetty floor with Nitoflor Levelcrete of Fosroc make having a compressive strength of 40Mpa. The pre-pack 20Kg Nitoflor Levelcrete bag shall be mixed with 4Ltr of water as per manufacturers instructions and thoroughly mixed by mechanical means for application on the floor complete all as specified and as directed. Make : Nitoflor Levelcrete of Fosroc or E-in-C's approved make as approved by GE

M&L for preparation of construction joint grooves of size 25 mm X 20 mm, application of primer to the groove, inserting breaker rod in the groove and finally sealing the groove with Polyuretheane based flooring sealent Colpor 200 of Fosroc make or E-in-C's approved make and finishing complete all as specified and as directed.

M&L for application of top wearing coat with the properties of Anti-skid, oil resistant, flexible & UV resistant coating system with the following laying methodology :- a) Application of two component Epoxy primer Nitoprime 30 of Fosroc or E-in-C's approved make, mixed with mechanical mixer and applied on the level Crete surface by using sponge based epoxy roller followed by sprinkling of anti-slip grain No 2 of Fosroc make on the primed surface on wet condition for skid resistant and allow it to dry for 16-24 hours. b) Application of two component prepacked protective system of Traffic guard Intermediate coat of Fosroc make, mixed with mechanical mixer and applied on the anti-skid surface by using sponge based epoxy roller and allow it to dry for 16-24 hours. c) Application of two component wearing coat, Trafficguard Wearing coarse of Fosroc make , mixed with mechanical mixer and applied on the anti-skid surface by using sponge based epoxy roller and allow it to dry for 16-24 hours. Make : Epoxy primer Nitoprime 30 of Fosroc or E-in-C's approved make as approved by GE

M&L for application of renewal coat of two component wearing coat, Trafficguard Wearing coarse of Fosroc make or make as approved by GE mixed with mechanical mixer by using sponge based epoxy roller and allow it to dry for 16-24 hours. [Make : Wearing coat of Fosroc or make as approved by GE.]

All as per item No. 12.00above but for safety / traffic line marking 100mm / 150mm wide over finished flooring to the required length, colour and shapes for parking, safety markings on jetty, hard standings etc. complete

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