Providing Echo proofing for Auditorium of Law College Ernakulam Specialized work Balance Work

Amount

Echo proof auditorium

od8246/2019_2020 : Supplying & Fixing Accoustical door with 100mm x 25mm hard wooden frames & filling with suncwool material of 25mm thick giving 8mm MDF Vynile on bothsides and fixing to the existing wooden frame with 4 inches door hinges with all handles and accessories. The door will be finished in lacquer polish to the specified colour. Total thickness of doo will be 40mm.

Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS : 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminnium snap beading for glazing /paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge.(Glazing, paneling and dash fasteners to be paid for separately): 21.1.1 For fixed portion 21.1.1.2 Powder coated aluminium (minimum thickness of powder coating 50 micron)

21.3.1 : Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of Engineer - in -Charge. ( Cost of aluminium snap beading shall be paid in basic item):With float glass panes of 4.0 mm thickness

15.12.1 : Dismantling doors, windows and clerestory windows (steel or wood ) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead:Of area 3 sq. metres and below

14.54.1 : Painting with synthetic enamel paint of approved brand and manufacture of required colour to an give even shade:One or more coats on old work

od71155/2018_2019 : engaging fitter for repairing collapsible shutter

14.1.1 : Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)

14.43 : Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

14.53.1 : Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade:One or more coats on old work

14.66.1 : Finish walls with Acryllic Smooth exterior paint of required shade:Old work ( Two or more coats applied @ 1.67 ltr/10 sqm) on existing cement paint surface

EXTRA ITEMS

OD135469/2021-2022 :- Providing and fixing in position wall panelling at all heights with Fully Perforated Gypsum Plaster Board of size 595 x 595 x 12.5 mm having approx. 15% perforated area with perforation size and pattern as approved by the Engineer - incharge and as per manufacturer's specification, with all 4 side tapered and backed by acoustical tissue with NRC value not less than 0.60 (minimum) as per IS 8225:1987, Light reflectance of 85% (minimum). Non combustible as per BS:476 (part-4), fire performance as per BS:476 (part 6 &7), humidity resistance of 100%, thermal conductivity < 0.043 W/m K as per ASTM 518:1991, comprising of a frame made from especially fabricated galvanised mild steel sheet 0.50 mm thick pressed section (galvanizing @120 grams per sqm including both sides) i.e.vertical studs of size 48 x 34 x 36 mm are placed at 600mm center to center in a floor and ceiling channel section of size 50 x 32m fixed to the floor and soffit at 600mm centers using 12mm dia,50mm long wedge type expanded zinc alloy dash fastner with 10mm bolt. This same channel is then to be fixed in horiziontal direction at 600mm center to center so as to form a grid of 600mm x 600mm. Glasswool of 50mm thickness is then to be inserted in the slots and finally calcium silicate non combustible panels/tiles are to be screw fixed with self tapping pan head nickel coated mild steel screws of size 13 x 3.2mm

13.43.1 :- Water thinnable cement primer

OD169148/2022-2023 :- Providing and fixing frame work for false ceiling with true horizontal level suspended on interlocking T-Grid of hot dipped all round galvanized iron section of 0.33 mm thick (galvanized @120 gsm ) comprising of main T runners of 15x32 mm of length 3000 mm, cross T of size 15x32mm of length 1200 mm and secondary intermediate cross T of size 15x32 mm of length 600 mm to form grid module of size 600x600 mm suspended from ceiling using galvanized mild steel item (galvanised@80gsm) 50 mm long 8mm outer diameter M-6 dash fasteners, 6 mm diameter fully threaded hanger rod up to 1000 mm length and L-shape level adjuster of size 85x25x2 mm, spaced at 1200 mm centre to centre along main ?T?. The system should rest on periphery walls /partitions with the help of GI perimeter wall angle of size24x24X3000 mm made of 0.40 mm thick sheet, to be fixed to the wall with help of plastic rawl plug at 450 mm centre to centre & 40 mm long dry wall S.S. screws. The exposed bottom portion of all T-sections used in false ceiling support system shall be pre-painted with polyester baked paint, for all heights. The work shall be carried out as per specifications, drawings and as per directions of the engineer-in-charge.

OD169209/2022-2023 :- Providing and fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall screws of size 3.5x25 mm at 230 mm c/c, including jointing and finishing to a flush finish of tapered and square edges of the board with recommended jointing compound, jointing tapes, finishing with jointing compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board, all as per manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers, cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and direction of the Engineer in Charge

13.26 :- Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete

OD185396/2022-2023 :- Providing and fixing mineral fibre false ceiling tiles at all heights of size 595X595mm of approved texture, design and pattern. The tiles should have Humidity Resistance (RH) of 99%, Light Reflectance ?85%, Thermal Conductivity k = 0.052 - 0.057 w/m K, Fire Performance as per (BS 476 pt - 6 &7)in existing true horizontal level suspended on interlocking T-Grid of hot dipped all round galvanized iron section with all fittings etc complete . The exposed bottom portion of all T-sections used in false ceiling support system shall be pre-painted with polyester baked paint, for all heights. The work shall be carried out as per specifications, drawings and as per directions of the engineer-in-charge.With 16 mm thick beveled tegular mineral fibre false ceiling tile (NRC 0.55 to 0.6)

OD188585/2022-2023 :- Providing and Fixing acoustics wall panelling with Acoustic wooden Sloted Panel (exterior grade) A clean , linear approach to acoustics. Profiles are created with 2,3 or 4 mm groove with different spacing . Planks are tounge and groove connections Or Custom Size .Planks result in an attractive surface with a joint free appearance because of the joint matches the dimension of the grooves. The Planks permit simple and flexible assembly. The planks can be installed using H Spline Or J Profile OR Z clamps .Edge details of Toungh & Groove to get Seamless Finish .Panels shall be back lined with acoustical infill of Poly Fibre 1000 GSM x 50 mm thick .( included 50x1000GSM polyester fibre )including cost ofall materials and labour charges etc complete as per the manufacture's specification and as per the direction of engineer in charge

OD188586/2022-2023 :- Supplying and fixing of acoustic PET panels 9 mm thick, Acoustic Performance 0.6NRC,Surface finish : Woven Fabric with heavy duty construction adhesives and including cost all materials and labour charges etc complete as per manufactures specification and as per direction of engineer in charge .

OD188587/2022-2023 :- Supplying and fixing sound proofing for windows using acoustic fabric with necessary fittings and all cost of labour charges etc complete as per manufactures specification and as per the direction of direction of engineer in charge

OD188885/2022-2023 :- Supplying and fixing half portion of 150mm dia PVC pipe (6kg/cm2) with specials semi circular shape gutter for rain water drain out

OD189578/2022-2023 :- Supplying and fixing of acoustic carpets 7.5mm thick and including cost all materials and labour charges etc complete as per manufactures specification and as per direction of engineer in charge

14.72X :- Scaffolding

K.P.ELDHO