Supply and Installation of Gypsum Board and Calcium Silicate False Roofing at Male Bachelors Hostel at TNPL Unit II

Amount

"PROVIDING AND FIXING A GYPSUM BOARD FALSE CEILING OF GYPROC-SAINT GOBAIN MAKE AT ALL HEIGHTS WITH A FRAMEWORK OF GYPROC-SAINT GOBAIN MAKE( ULTRA) GALVANIZED M.S. SECTIONS (120 GMS/SQM ZINC COATING AS PER IS: 277). THE FRAMEWORK INCLUDES ANGLE CLEATS (25X1.6MM) FIXED TO THE CEILING WITH DASH FASTENERS, ANGLE HANGERS (25X10X0.50MM), INTERMEDIATE G.I. CHANNELS (45X15X0.9MM) AT 1200MM CENTERS, AND CEILING SECTIONS (0.5MM THICK) SPACED AT 450MM CENTERS, FIXED USING G.I. WIRE CLIPS. PERIMETER CHANNELS (0.5MM THICK, 27MM HIGH) ARE FIXED TO WALLS/PARTITIONS USING RAWL PLUGS AND SCREWS. GYPSUM BOARDS (12.5MM THICK AS PER IS: 2095-PART I: 2011) ARE SECURED TO THE FRAMEWORK WITH DRYWALL SCREWS AND FINISHED WITH JOINTING COMPOUND, TAPE, AND PRIMER AS PER THE MANUFACTURER’S SPECIFICATIONS. OPENINGS FOR FITTINGS, GRILLS, AND CUTOUTS ARE INCLUDED. RATES COVER BOTH VERTICAL AND HORIZONTAL SURFACES, WITH CERTIFICATION OF MEASUREMENTS BASED ON ACTUAL MEASURED ""SEEN"" AREAS OF VERTICAL AND HORIZONTAL. PAINTING IS EXCLUDED."

"PROVIDING AND FIXING 12.5 MM THICK DENSIFIED, TEGULAR-EDGED, ECO-FRIENDLY, LIGHTWEIGHT CALCIUM SILICATE GRID FALSE CEILING TILES OF AEROLITE/RAMCO-HILUX MAKE, SIZE 595 X 595 MM, AT ALL HEIGHTS AND TRUE HORIZONTAL LEVELS. THE TILES WILL BE SUSPENDED ON AN INTERLOCKING METAL GRID OF HOT-DIPPED GALVANIZED STEEL (GALVANIZING @ 120 GRAMS PER SQM), CONSISTING OF MAIN ‘T’ RUNNERS (24 X 38 MM, 0.33 MM THICK), SPACED 1200 MM APART, AND CROSS ‘T’ RUNNERS (24 X 28 MM, 0.33 MM THICK), SPACED 600 MM APART TO FORM A 1200 X 600 MM GRID. SECONDARY CROSS ‘T’ RUNNERS (24 X 28 MM, 0.33 MM THICK, 600 MM LONG) WILL INTERLOCK AT THE CENTER OF THE PANEL TO FORM A 600 X 600 MM GRID. THE GRID WILL BE SUPPORTED ON PERIMETER WALL ANGLES (24 X 24 X 3000 MM, 0.40 MM THICK) WITH RAWL PLUGS AT 450 MM INTERVALS AND DRYWALL SCREWS AT 230 MM INTERVALS. THE TILES WILL BE CUT AND FITTED AROUND SERVICES SUCH AS DIFFUSERS, GRILLS, LIGHT FIXTURES, AND SMOKE DETECTORS, AS REQUIRED. THE MAIN ‘T’ RUNNERS WILL BE SUSPENDED FROM THE CEILING USING G.I. SLOTTED CLEATS (25 X 35 X 1.6 MM) FIXED WITH 12.5 MM DIAMETER DASH FASTENERS, 4 MM G.I. ADJUSTABLE RODS WITH GALVANIZED STEEL LEVEL CLIPS (85 X 30 X 0.8 MM) SPACED 1200 MM APART. THE EXPOSED 24 MM PORTION OF ALL T-SECTIONS WILL BE PRE-PAINTED WITH POLYESTER BAKED PAINT. THE FALSE CEILING WILL BE INSTALLED AS PER THE SPECIFICATIONS, DRAWINGS, AND INSTRUCTIONS FROM THE ENGINEER-IN-CHARGE. NOTE: ONLY THE AREA OF THE CALCIUM SILICATE FALSE CEILING WILL BE MEASURED, FROM WALL TO WALL. THE CALCIUM SILICATE TILES WILL HAVE AN NRC VALUE OF 0.50 (MINIMUM), LIGHT REFLECTION >85%, NON-COMBUSTIBILITY AS PER B.S. 476 PART IV, 100% HUMIDITY RESISTANCE, AND THERMAL CONDUCTIVITY <0.043 W/MK.**"

Bidder Name

Amount in Words

KONGUNADU INFRASTRUCTURE LLP (BID ID -1241571)

MAARUTHI BUILDERS (BID ID -1239173)

COASTAL DELTA BUSINESS CORPORATION (BID ID -1241584)

CROWN ENTERPRISES (BID ID -1241070)

MAARUTHI BUILDERS (BID ID -1239173)

CROWN ENTERPRISES (BID ID -1241070)

KONGUNADU INFRASTRUCTURE LLP (BID ID -1241571)