REPAIRS TO ANTISTATIC FLOORING, MS DOORS OF MAGAZINES, HANGERS, SUBSTATIONS AND CERTAIN OTM AND MD ACCOMODATION INCLUDING ROLLING SHUTTERS AT INHS PATANJALI, NCHC, MES AREA AND SITE E OF NAVAL BASE AREA KARWAR

Demolition of Cement concrete of any description and any position all as specified and directed.

M&L for cement concrete 50mm thick type B-1, 1:2:4 (20mm graded aggregate) as in flooring.

Removing and cleaning all floor surface to make it free from dirt, dust, loose particles, wax, polish, efflorescence, laitance, curing compound and other contaminants. Mechanical surface profiling to be provided by grit or shot blasting/grinding/ scarification. Creating network of grooves 2mm X 2mm size & 2 X 2 Sq M grids in the coating area along with periphery, complete as per manufacturer's specification. Providing and applying Apcoflor HFP 120/Apcoflor HFP 130 or equivalent in Fosroc/Sikka/Berger, solvent free epoxy primer 200 gms/SqM in two coats using a brush or short / medium pile roller at a time gap of 8 hrs by ensuring a uniform coating is achieved and compensated the differences in surface porosity, allowing second coat to dry for 24 Hrs, as per manufacturer's specification. All cracks and construction joints should be either filled with epoxy putty or mortar.

M&L for overhauling of collapsible shutter of size not less than 4 sqm (without taking down from position), applying grease for trouble free operation, and making functional complete all as specified and directed:- Note : Replacement of parts will be measured and paid for separately in respective items

M&L for overhauling of collapsible shutter of size exec 4 sqm but not exec 18 sqm (without taking down from position), applying grease for trouble free operation, and making functional complete all as specified and directed:- Note : Replacement of parts will be measured and paid for separately in respective items

Taking down Collapsible steel gates each exc 4 Sqm with pintle hinges, top and bottom runners, channel pickets & hold fasts, rectifying the defects such as straightening, welding, riveting , securing runners with hold fasts and brackets etc and refixing in position with provision of bed blocks, new/old pintle hinges, handles, lock system and hold fasts as required and all as directed. Note : Welding, bed blocks, pintel hinges and hold fasts will be measured and paid for separately.

Dismantling structural steel work including doors, gates but excluding framed truss etc complete all as specified and directed

M&L mild steel structural framed work confirming to Fe410-W (Gde-E-250) quality-A as in door or gates of angle or other section with gusset plates, rails, braces etc, complete, drilled for fixing of steel sheeting or other covering, doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging, also fastening and fixing complete all as specified and directed.

Taking down rolling shutters of area not exceeding 8 Sqm each, replacing worn out/unserviceable parts with new ones, overhauling, applying grease/oil, refixing in position and making functional complete all as directed. Note : Replacement of parts will be measured and paid for separately in respective items.

Taking down rolling shutters of area exceeding 8 Sqm but not exceeding 12 Sqm each, replacing worn out/unserviceable parts with new ones, overhauling, applying grease/oil, refixing in position and making functional complete all as directed. Note : Replacement of parts will be measured and paid for separately in respective items.