Supplying fixing repairing and refixing of false ceiling systems and other miscellaneous works at various lab and buildings in KARP KARP-II CWMF and WIP complex during the year 2026 27

Providing, fixing in position and repairing the suspended false ceiling system using 600*600mm calcium silicate ceiling tiles (AEROLITE Ceiling systems or approved equivalent make) tiles having 15mm Dandified edges and 100% Humidity resistance, Incombustible as per BS 476 part IV with Thermal conductivity of w/m KC and approved surface Design and edge profile (TEGULAR SPINTONE) placed in a suspended grid size of 600x600 mm made of Hot-dipped G.I. steel section having an exposed surface capping of pre-finished baked polyester painted coil wherein the main “T” of size 24mmx38mmx0.33mm shall be suspended at 1200mm centers along the length of ceiling with 4mm dia. G.I. wire with necessary level adjusters and cross tees at 600mm centers and thereafter in direction vertical to the longer tees. Cross tees of size 24x28x0.33 and 600mmx600mm shall be inserted to form a grid size of 600mmx600mm resting on the periphery walls on wall angles of size 22mmx22mmx3000 mm made of 0.40mm thickness. The main tees to be suspended from ceiling/soffit clits of 25mmx35mmx1.6mm and 4mm dia G.I.wire with galvanized spring steel leveling clips. The rate shall include providing necessary openings for light fixtures, diffusers as per direction of Engineer-in-Charge. The entire grid system shall be designed to over a distributed load minimum 15kg/Sq.m. (only calcium silicate false ceiling area will be measured for the purpose of payment). In White area (inactive area)

Providing, fixing in position and repairing the suspended false ceiling system using 600*600mm calcium silicate ceiling tiles (AEROLITE Ceiling systems or approved equivalent make) tiles having 15mm Dandified edges and 100% Humidity resistance, Incombustible as per BS 476 part IV with Thermal conductivity of w/m KC and approved surface Design and edge profile (TEGULAR SPINTONE) placed in a suspended grid size of 600x600 mm made of Hot-dipped G.I. steel section having an exposed surface capping of pre-finished baked polyester painted coil wherein the main “T” of size 24mmx38mmx0.33mm shall be suspended at 1200mm centers along the length of ceiling with 4mm dia. G.I. wire with necessary level adjusters and cross tees at 600mm centers and thereafter in direction vertical to the longer tees. Cross tees of size 24x28x0.33 and 600mmx600mm shall be inserted to form a grid size of 600mmx600mm resting on the periphery walls on wall angles of size 22mmx22mmx3000 mm made of 0.40mm thickness. The main tees to be suspended from ceiling/soffit clits of 25mmx35mmx1.6mm and 4mm dia G.I.wire with galvanized spring steel leveling clips. The rate shall include providing necessary openings for light fixtures, diffusers as per direction of Engineer-in-Charge. The entire grid system shall be designed to over a distributed load minimum 15kg/Sq.m. (only calcium silicate false ceiling area will be measured for the purpose of payment). In Radioactive restricted area

Providing, fixing in position and repairing the suspended seamless false ceiling system using 12.5 mm thick Moisture Resistant Plan Gypsum Board (GYPROC.MR of M/s. Saint Gobain Make) suspended ceiling which includes Gypsteel ULTRA TM CRP surface ribbed perimeter channels (having one flange of 20mm and another flange of 30mm and a web of 27mm) along the perimeter of ceiling screw fixed to brick wall/partition with the help of nylon sleeves and screw, at 610mm centres. Then suspending Gypsteel ULTRA TM CRP surface ribbed intermediate channels of size 45mm (with two flanges of 15mm each)from the soffit at 1220 mm centres with Gypsteel ULTRA TM CRP surface ribbed ceiling angle of width 25mm X10mm fixed to soffit with G.I cleat and steel expansion fasteners (Mfg. by Saint Gobain Gyproc). Gypsteel ULTRA TM CRP surface ribbed ceiling section of having web of 51.5mm and two flanges of 26mm each with lips of 10.5mm are then fixed to the Gypsteel ULTRA TM intermediate channel with the help of connecting clip and in direction perpendicular to the Gypsteel intermediate TM channel at 457.5 mm centres. Single layer of 12.5mm tapered edge Gyproc MR (confirming to BS 1230 part-1) is then screws fixed to ceiling section with 25mm drywall screws at 230mm centres. Screw fixing is done mechanically either with screw driver or drilling machine with suitable attachment. Finally square and tapered edges and curved, step down, slope of the boards are to be jointed and finished so as to have a flush look which includes filling and finishing with Gyproc jointing compound, Gyproc jointing paper tape and two coats of drywall top coat (as per recommended practices of Saint-Gobain Gyproc India)

Providing & Fixing of KCS Mineral Fibre Acoustical Suspended Ceiling System with 15mm thick Bioguard RH100 Tegular 15/90 Edge Tiles with KCS Suprafine 15mm face exposed grid. i.e., the Main Runner, 1200 mm & 600 mm Cross Tees with a web height of 38mm (all sections). The deflection loading of the system shall be 12.5 kg/m2 . (Deflection limit less than L/360) with a deflection loading of 15kg/m. The T Sections shall be made of hot dipped galvanized steel of 90 gsm as per IS 277 (2003) and pre-painted steel with baked polyester paint with 0T bending capability. Suspension System Details Base Material Hot dipped galvanized steel of 90 gsm as per IS 277 (2003) and pre-painted steel Deflection Loading 15 kg/m with deflection limit less then L/360 as per ASTM C635, Pull-out Strength 100 kg, Main Runner Dimensions 3600(L) x 38(H) x 15(W) mm, Cross Tee Dimensions 1200/ 600(L) x 38(H) x 15(W) mm. In Normal area.

Providing & Fixing of KCS Mineral Fibre Acoustical Suspended Ceiling System with 15mm thick Bioguard RH100 Tegular 15/90 Edge Tiles with KCS Suprafine 15mm face exposed grid. i.e., the Main Runner, 1200 mm & 600 mm Cross Tees with a web height of 38mm (all sections). The deflection loading of the system shall be 12.5 kg/m2 . (Deflection limit less than L/360) with a deflection loading of 15kg/m. The T Sections shall be made of hot dipped galvanized steel of 90 gsm as per IS 277 (2003) and pre-painted steel with baked polyester paint with 0T bending capability. Suspension System Details Base Material Hot dipped galvanized steel of 90 gsm as per IS 277 (2003) and pre-painted steel Deflection Loading 15 kg/m with deflection limit less then L/360 as per ASTM C635, Pull-out Strength 100 kg, Main Runner Dimensions 3600(L) x 38(H) x 15(W) mm, Cross Tee Dimensions 1200/ 600(L) x 38(H) x 15(W) mm. In Restricted area

Providing and fixing false ceiling with Ramco HILUX calcium silicate tiles of 8mm thickat all elevations with MS slotted angles(40x40x2mm) grid work suspended from ceiling with MS rod suspender of 8mm dia. rod by means of angle/flat/tee cleats by welding to existing MS plate EP’s in the roof ceiling, providing necessary additional MS structural section supporting for electrical tube light/incandescent/any other light fixtures, AC diffusers, supply and return air grills, trap doors, etc., MS welded mesh for return air path wherever required ,supplying and fitting aluminium sheet reflectors to required shape for tube lighting , painting with approved make and colour two coats of acrylic emulsion paint over a coat of primer to ceiling tiles and two coats of anticorrosive synthetic enamel paint over one coat of primer to all structural steel items and suspenders except slotted angle, providing necessary counter sunk bolts, nuts and washers to fix ceiling tile and or flush butt jointed the ends wherever required , also CP/MS bolt and nuts with washers for slotted angle grid with cleats including supply, cutting, grinding, welding, fabricating and erecting in position all structural steel works necessary scaffolding, staging all tools and tackles, labour etc. complete all as per specifications and drawings.(Only False Ceiling area will be measured for the purpose of payment) In White area (inactive area)

Providing and fixing false ceiling with Ramco HILUX calcium silicate tiles of 8mm thickat all elevations with MS slotted angles(40x40x2mm) grid work suspended from ceiling with MS rod suspender of 8mm dia. rod by means of angle/flat/tee cleats by welding to existing MS plate EP’s in the roof ceiling, providing necessary additional MS structural section supporting for electrical tube light/incandescent/any other light fixtures, AC diffusers, supply and return air grills, trap doors, etc., MS welded mesh for return air path wherever required ,supplying and fitting aluminium sheet reflectors to required shape for tube lighting , painting with approved make and colour two coats of acrylic emulsion paint over a coat of primer to ceiling tiles and two coats of anticorrosive synthetic enamel paint over one coat of primer to all structural steel items and suspenders except slotted angle, providing necessary counter sunk bolts, nuts and washers to fix ceiling tile and or flush butt jointed the ends wherever required , also CP/MS bolt and nuts with washers for slotted angle grid with cleats including supply, cutting, grinding, welding, fabricating and erecting in position all structural steel works necessary scaffolding, staging all tools and tackles, labour etc. complete all as per specifications and drawings.(Only False Ceiling area will be measured for the purpose of payment) In Radioactive restricted area

Removing the damaged false ceiling sheets and fixing with new calcium silicate tiles (Ramco HILUX of 8mm thick)at all elevations in the existing false ceiling frame of MS slotted angles(40x40x2mm) grid work suspended from ceiling with MS rod suspender of 8mm dia. and painting with approved make and colour two coats of acrylic emulsion paint over a coat of primer to ceiling tiles, providing necessary counter sunk bolts, nuts and washers to fix ceiling tile and or flush butt jointed the ends wherever required , necessary scaffolding, staging all tools and tackles , labour etc. complete all as per specifications and drawings.

Removing existing false ceiling and fabrication, Erection and laying of 15mm silhoutte 38H black grid system manufactured by M/s Armstrong world industries (india) Pvt.Ltd or equivalent using hot dipped galvanized steel section exposed surface chemically cleaned capping prefinished in backed polyester paint wall angle of size 19x19x3000 mm used in periphery of the ceiling fixed to the wall/partition/RCC column/band walls with the help of screws at 600 mm c/c . main runner of size 300x15mmx38H suspended at 1200 mm c/c by using armstrong suspension systems hanger wire securely fixed to the structurals of fit of RCC slab by using 6mm fastener with Hook clip for level adjustment at every 1200 mm (Max) and 1200 mm long cross tee of size 15mmx38H to be inter locked between in main runner at 600mm c/c (Max) to form grid of 1200x600mm . 600mm long cross tee size 15mmx38H fixed in between 1200mm long cross tee for forming a grid of 600x600mm and finally laying Armstrong GI Lay in Plain Micro look edge 600x600x0.5mm

Removing the damaged false ceiling sheets and fixing with false ceiling system using 600*600mm calcium silicate ceiling tiles (AEROLITE Ceiling systems or approved equivalent make) tiles having 15mm Dandified edges and 100% Humidity resistance, Incombustible as per BS 476 part IV with Thermal conductivity of w/m KC and approved surface Design and edge profile (TEGULAR SPINTONE) providing necessary counter sunk bolts, nuts and washers to fix ceiling tile and or flush butt jointed the ends wherever required , necessary scaffolding, staging all tools and tackles , labour etc. complete all as per specifications and drawings.