Repairing of Barrage Control Room (BCR) at Teesta Low Dam-III Power Station, Rambi

Taking out Mirzapur or glazed porcelain tiles carefully by chiselling from walls or floor including stacking serviceable material as directed.

Supplying and laying chequered tiles of any shade & of approved quality with (1:1½:3) cement concrete laid in panels or patterns as directed in pavement, footpath etc. including necessary underlay 25 mm thick [avg] cement mortar (1:3) complete in all respect with all labour and materials. [Using cement slurry @ 4.4 kg/Sq.m at back side and @2.4 kg/Sq.m for joint filling], Red Variety, i) 25 mm. thick

Supplying, fitting & fixing granite slabs 15mm to 18 mm. thick with uniform texture & without decorative veins in columns, wall, facia,rise etc. with 15 mm thick [avg] cement mortar (1:2) including making suitable arrangements to hold the stones properly by brass / copper hooks including pointing in cement mortar (1:2) (1 white cement : 2 marble dust) with admixture of pigment matching the stone shades all complete as per direction of the Engineer-in-charge including cost of all materials, labours, scaffolding, staging, curing and roughening of concrete surface complete. [Using cement slurry at back side of granite @ 4.4 kg/sq.m & white cement slurry for joint filling @ 1.8 kg/sq.m] In ground floor, Area of each Granite slab 0.6 to 1.0 Square meter

Supplying and laying true to line and level vitrified tiles of approved brand (size not less than 600 mm X 600 mm X 10 mm thick) in floor, skirting etc. set in 20 mm sand cement mortar (1:4) and 2 mm thick cement slurry back side of tiles using cement @ 2.91Kg./sqM or using polymerised adhesive (6 mm thick layer applied directly over finished artificial stone floor /Mosaic etc without any backing course) laid after application slurry using 1.75 Kg of cement per sqM below mortar only, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles / epoxy grout materials of approved make as directed and removal of wax coating of top surface of tiles with warm water and polishing the tiles using soft and dry cloth upto mirror finish complete including the cost of materials, labour and all other incidental charges complete true to the manufacturer's specification and direction of Engineer-in-Charge. (White cement, synthetic adhesive and grout material to be supplied by the contrr]e) With Polymerised Adhesive [6 mm thick] & epoxy grouting materials for filling joints including spacer-2 mm [Applied directly over finished artificial stone floor/ mosaic etc.] Deep Colour & White

Supplying and laying true to line and level Anti-Skid, Full Body, Homogeneous &Granular finish Vitrified Tiles conforming to IS:15622-2006&IS4457-2007 and testing shall be made in accordance with IS:13630 [Non-modular sizes for tiles with Skid resistance>0.5, Mohr's hardness>5.0, Staining resistance: Class-1, Water Absorption:E35N/sq.mm in Internal area of building e.g. Toilet Block, Passage, Corridor, Accessible Open Terrace etc. set in 20mm sand cement mortar (1:4) and 2mm thick cement slurry at backside of tiles using cement @ 2.91Kg./ Sqm or using Polymerised Adhesive (6mm thick layer applied directly over finished artificial stone floor/Mosaic etc without any backing course) laid after application slurry using 1.75Kg of cement per Sqm below mortar only, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles/epoxy groutmaterials of approved make as directed and removal of wax coating of top surface of tiles with warm water and polishing the tiles using soft and dry cloth upto mirror finish complete including the cost of materials, labour and all other incidental charges complete true tothe manufacturer's specification and direction of Engineer-in-Charge. (White cement, synthetic adhesive and grout material to be supplied by the contractor), In Ground Floor : Sizes-600mmx600mmx10mm with breaking strength> 1500 N.

Rendering the Surface of walls and ceiling with White Cement base WATER PROOF wall putty of approved make & brand.(1.5 mm thick)

Providing and fixing of false ceiling with powder coated exposed G.I. grid suspension system(E-GridU-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 3600mm long,Cross Tee 1200mm/600mm long and Wall Angle. TheWall Angle shall be fixed on PVC Dash Fasteners on the perimeter of the wall by steel screws with distance 300mmc/c.TheMain Runners to be placed @ 1200mm. The CrossTee 1200mm will be inserted in the pre-cut slots of Main Runner at a regular interval of 600mm to form a modular grid of 1200mm X 600mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the CrossTee 1200mm long to finally form a grid of 600mmX 600mm.Grid of module size 600mmX600mm shall be supported by 6mm dia G.I.wire from purlins / soffit. 15mm thick OW Acoustic Board (Mineral Fiber Acoustic CeilingTiles) of approved patern and size 595mmX595mm 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 ground floor Acoustic False Ceiling (with 15mm thick OW Acoustic Board and E-Grid U 1520).

Supplying,fitting & fixing of 2-Track / 3-Track Aluminium sliding Window of all Aluminium sections viz.window frame (top,bottom&side frame), shutter (top, bottom, side & interlock member) made of aluminium alloy extrusions conforming to IS733-1983 & IS1285-1975, annodised conforming to IS1868-1983, fitted with all other accessories viz.PVC roller, EPDM gasket, maruti lock, screws etc. including labour charges for fitting & fixing of aluminium2-track/3-track sliding window with fixing of glass (excluding cost of glass) all complete as per architectural drawings and direction of Engineer-in-charge. 10-12 Micron thickness Annodizing film Natural white For 2 Track window :Members for Bottom frame @0.875Kg per Mtr. and for Top and Side [email protected] per Mtr. and for shutter Bottom and Top member @ 0.472Kg per Mtr., Style side member @ 0.493Kg per Mtr. and Interlock member @ 0.612 Kg per Mtr.

Supplying, fitting & fixing of partly glazed partly panelled or fully glazed single leaf Aluminium swing door of all aluminium sections viz door frame ( top and side frame), shutter( top rail, bottom rail, lock rail, door vertical) , glazing clip made of Aluminium Alloy Extrusions conforming to IS: 733-1983 and IS: 1285-1975, annodized conforming to IS:1868 1983, fitted with all other accessories viz. EPDM gusket,cleat, angle screws etc. including labour charges for fitting and fixing of aluminium door with door spring, / aluminium hinges, glass / Panel board all complete as per architectural drawings and direction of Engineer-in charge. ( Excluding cost of glass/ panel board, door spring/ Al hinges, door closer, door stoper, handle, tower bolt and locking arrangment etc) 10-12 Micron thickness Annodizing film Natural white (unit wt of to Top & side frame @1.366 kg/m ; top rail @ 1.296 kg/m; bottom rail @ 1.974 kg/m; lock rail @ 1.590 kg/m; door vertical @ 1.412 kg/m; glazing clip @ 0.167 kg/m. )

Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works,including applying priming coat of approved steel primer approved steel primer.MS Tube