Public Works Department Tender

Vol-2, S.No 19.7.3, P.No-187 - Demolishing brick work manually by mechanical means including stacking of serviceable material and disposal of unserviceable material to the appropriate disposal area asper direction of Engineer-in-charge. In cement mortar.

Vol-2, S.No 12.86, P.No-109 - Providing & fxing of 2-track x 2-panel sliding windows made out of multi chambered UPVC (Matching to RAL-9016) sections and with minimum TiO2(Titanium Dioxide) at 6PHR with TPE(Thermo Plastic Elastomer) and lead free, gaskets -grey colour having isolated drainage and reinforced with Galvanized Iron profle through-out the window frame. The outer frame having an overall size of 50mm width x 42mmheight with reinforcement of 1mm thickness and Sash with overall size of 31mm X 57mm with Gi reinforcement of 1mm for the frame and 1.5 mm for the sash. Coextruded Glazing bead for fxing of glass shall be of size 21.5mm x 9.5 mm. Windows shall be provided with 5mm plain foat glass, standard hardware& single point locking system with touch lock. Wall thickness of frame & sash shall be of 1.8+-0.2 mm. Maximum possible size 1519mm x 1519mm. (The cost is inclusive of all fxtures and separate charges for minor T&P's shall not be made).

Vol-2, S.No 7.58, P.No-35 - Providing & Fixing in position Acoustical wall panelling with Integral Densifed Square/Butt edged Fully Perforated Eco Friendly Lightweight Calcium Silicate panels/tiles with fabricated galvanised mild steel frame work for Auditoriums, Community halls, Ofces, Institutions, Airports, Meeting halls, Indoor Stadiums and Studios. The Eco Friendly Lightweight Calcium Silicate wall panels tiles shall be made from Non Cementitious Hydrated Calcium Silicate Slurry Mixture, Reinforced recycled material with fbers and natural fllers. Free from Formaldehyde and other harmful materials.Doesn't contain any toxic ingrediants. The wall panels/tiles size of 595x595mm and 15mm thick should have Humidity Resistance (RH) of 100 percent, Water Resistance, Non Combustible: as per BS:476 Part-4, Fire Performance: as per BS:476 Part-6 for Fire Propagation, as per BS:476 Part-7 for Surface Spread of Flame, As per UK standards FirePerformace A1-S1-d0, Thermal Conductivity K= 0.048 to 0.050 w/m K as per ECBC code 2007, NRC (Noise Reductions Coefcient) 0.65 to 0.85 (Fully Perforated wall panels/Tiles) as per IS 8225:1987, Sound Attenuation (STA) 30-32dB,Thickness of tile should be 15mm thick with 450 kg/m3 density all around on edge resting portion with Integral Densifed edge and 10mm thick with 350 kg/m3 density in the center of the body, Light Refectance 85percent, Weight of material is 5-5.5 kg/m2 and Suitable for Green Building application with InOrganic Recycled content of 46- 50percent out of which 18-20percent should be FLYASH and meets the GRIHA & SVAGRIHA norms under the categories: GRIHA V.2015 criterion:11&12, GRIHA V.3 criterion: 17&29 and SVAGRIHA criterion 12. The frame work comprising of a frame made especially fabricated galvanised mild steel sheet of 0.50 mm thick pressed section (galvanizing @ 120 grams per m2 including both sides) i.e. vertical studs of size 48x34x36mm are placed at 600mm centre to centre in a foor and ceiling channel section of size 50x32mm fxed to the foor and soft at 600mm centres using 12mm dia, 40mm long wedge type expanded zinc alloy dash fastner with 10mm bolt. This same channel is then to be fxed in horizontal direction at 600mm centre to centre so as to form a grid of 600x600mm. Glass wool of 50mm thickness with density of 16 kg/m3 is then to be inserted in the slots and fnally Lightweight calcium silicate wall panels/tiles are to be screw fxed with self-tapping pan head nickle coated mild steel screws of size 13x3.2mm on to this grid leaving an even groove of 1 mm between the panels. The joints between the panels are to be duly jointed and fnished using recommended jointing calcium silicate based compound and fbre joint tape roll 50mm wide (90metre) roll and two coats of premier suitable for panelling as per manfacturer's specifcation as per direction of Engineer-in-charge all complete.