Repairing of False ceiling in different class rooms of Amphitheater building inside the IIM Calcutta Campus in the state of West Bengal

Amount

Dismantling / Taking out existing partition/false ceiling of particle board, masonite board, ply board, soft board etc. of any thickness and removal of rubbish, earth etc. from the working site and disposal of the same as per direction of the Engineer-incharge.

Supplying, fitting and fixing of false ceiling framework with powder coated exposed G.I. grid suspension system (E-Grid T 2430/1510 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span with hanger spacing of 1200mm c/c ) consisting of Main Runner 3600 mm long, Cross Tee 1200 mm / 600 mm long and Wall Angle. The Wall Angle shall be fixed on PVC Dash Fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The Main Runners to be placed @ 1200 mm. The Cross Tee 1200mm will be inserted in the pre-cut slots of Main Runner at regular interval of 600 mm to form a modular grid of 1200mm X 600mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the Cross Tee 1200 mm long to finally form a grid of 600 mm X 600 mm. Grid of module size 600 mm X 600 mm shall be supported by 6 mm dia G.I. wire from purlins / soffit, all complete as per drawing & directions of Engineer-in-charge.

Providing and fixing of false ceiling with powder coated G.I. grid suspension system (E-Grid U-1520 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span with hanger spacing of 1200mm c/c ) consisting of Main Runner 3600 mm long, Cross Tee 1200 mm / 600 mm long and Wall Angle. The Wall Angle shall be fixed on PVC Dash Fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The Main Runners to be placed @ 1200 mm. The Cross Tee 1200mm will be inserted in the pre-cut slots of Main Runner at a regular interval of 600 mm to form a modular grid of 1200 mm X 600 mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the Cross Tee 1200 mm long to finally form a grid of 600 mm X 600 mm. Grid of module size 600 mm X 600 mm shall be supported by 6 mm dia G.I. wire from purlins / soffit. 15mm thick OW Acoustic Board (Mineral Fiber Acoustic Ceiling Tiles) of approved patern and size 595mm X 595mm with NRC value > 0.65 should be placed in the Grid module to form a False Ceiling. All complete as per the drawing & directions of Engineer-in-charge. In all floor. Acoustic False Ceiling (with 15mm thick Armstrong Optra Edge ceiling tiles or equivalent).

Supplying, fitting & fixing OW Acoustic Board (mineral Fibre Acoustic Ceiling Tiles) of approved pattern and size 595mm X595mm with NRC value > 0.65 should be placed in the Grid module to form a false ceiling all complete as per drawing & direction of Engineer - in- Charge. False ceiling with 15mm thick OW Acoustic Board/Tiles. (Make:- Armstrong Optra Edge / Armstrong DUNE Micro look RH-99 ceiling tiles 15mm thick or equivalent approved by E-I-C)

Exposed False-ceiling Work:- Supplying ,fitting & fixing Eco-friendly, Moisture Resistant and Incombustable Gypsum plaster board/tiles (Density > 700Kg per Cu.m) conforming to IS 2095- Part 1, 2011 of size 595mm X 595mm of approved design and brand placed in the Grid module to form a false ceiling all complete as per drawing & direction of Engineer-in-Charge. False ceiling with 12.5 mm thick Square edged Gypsum Plaster Board / tiles.

Rendering the surface of walls and ceiling with white cement based wall putty of approved make and brand. (1.5mm thick)

Applying Interior grade Acrylic Primer of approved quality and brand on plastered or cencrete surface old or new surface to receive Distemper/ Acrylic emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. (In all Floor) Solvent based interior grade Acrylic Primer; One coat

Applying Acrylic Emulsion Paint of approved make and brand on walls and ceiling including sand papering in intermediate coats etc. (Two coats) Standard Quality

Extra for staging beyond 4 m ht. in any floor etc. as per direction of the Engineer-incharge. (Mode of measurement: area in plan x mean height of staging above initial 4 m ht.)

DIAMOND CONSTRUCTION (BID ID -3161555)

MAX INTERIOR (BID ID -3166281)

GAZI HARDWARES (BID ID -3167284)

HASANUR GAMAN SEKH (BID ID -3165017)

M/S. PERFECTION (BID ID -3167534)

Curtain Centre (BID ID -3163840)