Drainage Works Tenders

Gujarat Water Supply & Sewerage Board

(d) Providing and fixing in position flashings of solid aluminium sheet 1 mm thick and of sizes, shapes and profiles, as required as per the site conditions, to seal the gap between the building structure and all its interfaces with curtain glazing to make it watertight. (e) Making provision for drainage of moisture/ water that enters the curtain glazing system to make it watertight, by incorporating principles of pressure equalization, providing suitable gutter profiles at bottom (if required), making necessary holes of required sizes and of required numbers etc. complete. This item includes cost of all inputs of designing, labour for fabricating and installation of aluminium grid, installation of glazed units, T&P, scaffolding and other incidental charges including wastages etc., enabling temporary structures and services, cranes or cradles etc. as described above and as specified. The item includes the cost of getting all the structural and functional design including shop drawings checked by a structural designer, dully approved by Engineer-in-charge. The item also includes the cost of all mock ups at site, cost of all samples of the individual components for testing in an approved laboratory, field tests on the assembled working structural glazing as specified, cleaning and protection till the handing over of the building for occupation. In the end, the Contractor shall provide a water tight structural glazing having all the performance characteristics etc. all complete as required, as per the Architectural drawings, as per item description, as specified, as per the approved shop drawings and as directed by the Engineer- in-Charge.

Supply and fixing factory made uPVC white colour Three track three panels sliding window (area exceeding 1 Sqm and not exceeding 2 Sqm) with fly proof SS wire mesh (Two nos. glazed & one no. wire mesh panels) upto 1.50m height made of (big series) frame 90 x 42 mm & sash 31 x 57 mm both having wall thickness of 2.3 ± 0.2 mm and single/double glazing bead of appropriate dimension. (Area of window above 1.75 sqm) comprising of uPVC multi chambered frame, with inbuilt roller track and sash extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), appropriate dimension of uPVC extruded glazing beads and uPVC extruded interlocks, EPDM gasket, wool pile, zinc alloy (white powder coated) touch locks with hook, zinc alloy body with single nylon rollers (weight bearing capacity to be 40 kg), G.I fasteners 100 x 8 mm size for fixing frame to finished wall and necessary stainless steel screws etc. Profile of frame & sash shall be mitred cut and fusion welded at all corners, including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealant over backer rod of required size and of approved quality (as per approved sample), including 5mm thick toughened glass and Wire cloth Stainless steel 304 Grade, natural finish, 0.63 mm nominal dia of wire and average width of aperture 1.40mm complete all as specified and as directed.

S&F providing and fixing factory made uPVC white colour Sliding window Three track made of extruded profiles with wall thickness of 2.3mm (+- 0.2mm). Window profile with hollow section with multi chamber, Frame (60mm x 62mm). sash (42mm x 67mm). Sliding Interlock (One vertical length in each shutters) (45.5mm x 28mm). Glazing bead (24.5mmx 16mm) will he mitered cut and fusion welded at all corners, including drilling of holes for fixing hardware and drainage of water etc.. making arrangement for fixing of hardware. EPDM gasket 1.2 + -0.2mm thick galvanized steel frame (30mm x 21.5mm), Sash (30mm x 18mm), profile to be inserted in required profile, frame will be fixed to the wall with 8mm x 100mm long fasteners. Hardware : [Touch Lock of zinc alloyed (white powder coated), steel roller system including 5mm thick glazing with selected quality glass, aluminum track on bottom rail for two track sliding frame, wool pine for Sliding sash and interlock complete all as specified and as directed. Note : The unit rate quoted by contractor excludes cost of glass and includes all other connected accessories. Net opening will be measured for payment purpose) Area not exceeding 2.00 sqm each

S&F sinks with drainage board made of stainless steel 1.00 mm thick kitchen or laboratory with plugs, washers and wastes; including bedding in cement mortar to dwarf wall or including fixing cantilever brackets and connecting union to pipe overall size 915mm x 460mm bowl size 410mm x 330mm x 160mm with & including one waste fitting with long screwed shanks and fly nuts, flange end bedded in red lead cement ,with PVC coupling, PVC waste pipe 40mm bore 750mm long complete all as specified and directed.