Special repairs to Andaman Guest House at Anna Nagar Chennai during the year 2020_21 under SSD_II APWD Chennai

Amount

Providing and fixing factory made uPVC white colour fixed glazed windows/ ventilators comprising of uPVC multi-chambered frame andmullion (where ever required) 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), extrudedglazing beads of appropriate dimension, EPDM gasket, G.I fasteners 100 or fixing frame to finished wall, plastic plasticaps and necessary stainless steels crews etc. Profile of frame shall bemitred cut and fusion weldedat all corners, mullion (i frequired) shall be also fusion welded 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 siliconsealant over backer rod of required size and of approved quality, allcomplete as per approved drawing & direction of Engineer-in-Charge.Single / double glass panes and siliconsealant shall be paid separately).Note: For uPVC frame,sash and mullion extruded profiles minus 5%tolerance in dimension i.e. in depth & width of profile shall beacceptable.Variation in profile dimension in highersideshall be acceptedbut no extra payment on this account shall be made.

Fixed window / ventilator made of (small series) frame 47 x 50mm & mullion 47 x 68 mm both having wall thickness of 1.9 ±0.2 mm and single glazing bead of appropriate dimension.(Area upto 0.75 sqm.)

Steel work in built up tubular (round, square or rectangular hollow tubesetc.) trusses etc., including cutting, hoisting,fixing in position andapplying a priming coat of approved steel primer, includingwelding and bolted with special shaped washers etc. complete

Hot finished welded type tubes

Providing and fixing precoated galvanised iron profile sheets (size,shape and pitch of corrugation as approved by Engineer-in-charge)0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 micronsepoxy primer on both side of the sheet and polyester top coat 15-18microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 meters leadas directed by Engineer-in-charge

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical meansincluding stacking of pipes within 50 metres lead as per direction of Engineer-in-charge

15 mm to 40 mm nominal bore

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes,having thermal stability for hot & cold water supply, including allCPVC plain & brass threaded fittings, including fixing the pipe withclamps at 1.00 m spacing. This includes jointing of pipes & fittingswith one step CPVC solvent cement and testing of joints completeas per direction of Engineer in Charge.Internal work - Exposed on wall

25 mm nominal outer dia Pipes

32 mm nominal outer dia Pipes

40 mm nominal outer dia Pipes

Providing and fixing double scaffolding system (cup lock type) onthe exterior side of building/structure, upto 25 metre height, aboveground level, including additional rows of scaffolding in stepped manneras per requirement of site, made with 40mm dia M.S. tube, placed1.5 metre centre to centre, horizontal & vertical tubes joint with cup& lock system with M.S. Tubes, M.S. tube challis, M.S. clampsandstaircasesystem in the scaffolding for working platform etc. andmaintaining it in a serviceable condition for execution of work ofcleaning and/ or pointing and/ or applying chemical and removing itthereafter. The scaffolding system shall be stiffened with bracings,runners, connecting with the building etc, wherever required, if feasible,for inspection of work at required locations with essential safetyfeatures for the workmen etc., complete as per directions and approvalof Engineer-in-charge.Note:- (1) The elevational area of the scaffolding shall be measuredfor payment purpose. (2) The payment will be made once only forexecution of all items for such works.