tender for annual repair and maintenance of jawahar colony dss under sd-ii, pbsd, apwd, port blair--- 1 dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: 2 asbestos cement sheet 3 providing reinforced by organic fibres and / or inorganic synthetic fibres cement 6 mm thick corrugated sheets ( as per is: 14871 ) roofing up to any pitch and fixing with polymer coated j, or l hooks, bolts and nuts 8 mm dia. g.i. plain and bitumen washers or with self drilling fastener and epdm washers etc. complete ( excluding the cost of purlins, rafters and trusses ) , including cutting sheets to size and shape wherever required. 4 painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : 5 one or more coats on old work 6 providing and fixing g.i. pipes complete with g.i. fittings and clamps, i / c cutting and making good the walls etc. internal work - exposed on wall 7 15 mm dia nominal bore 8 20 mm dia nominal bore 9 25 mm dia nominal bore 10 providing and fixing g.i. pipes complete with g.i. fittings including trenching and refilling etc. external work 11 40 mm dia nominal bore 12 50 mm dia nominal bore 13 80 mm dia nominal bore 14 making connection of g.i. distribution branch with g.i. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete : 15 25 to 40 mm nominal bore 16 50 to 80 mm nominal bore 17 providing and fixing gun metal gate valve with c.i. wheel of approved quality ( screwed end ) : 18 25 mm nominal bore 19 20 mm nominal bore 20 40 mm nominal bore 21 50 mm nominal bore 22 80 mm nominal bore 23 providing and fixing gun metal non- return valve of approved quality ( screwed end ) : 24 a ) 80 mm nominal borei ) horizontal 25 providing and fixing uplasticised pvc connection pipe with brass unions : 26 a ) 45 cm lengthi ) 15 mm nominal bore 27 providing and fixing c.p. brass shower rose with 15 or 20 mm inlet : 28 100 mm diameter 29 providing and fixing g.i. union in existing g.i. pipe line, cutting and threading the pipe and making long screws, including excavation, refilling the earth or cutting of wall and making good the same complete wherever required : 30 15 mm nominal bore 31 20 mm nominal bore 32 25 mm nominal bore 33 40 mm nominal bore 34 50 mm nominal bore 35 80 mm nominal bore 36 providing and placing on terrace ( at all floor levels ) polyethylene water storage tank, is : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. 37 providing and fixing c.p. brass bib cock of approved quality conforming to is:8931 : 38 15 mm nominal bore 39 providing and fixing c.p. brass stop cock ( concealed ) of standard design and of approved make conforming to is:8931. 40 15 mm nominal bore 41 providing and fixing c.p. brass angle valve for basin mixer and geyser points of approved quality conforming to is:8931 42 15mm nominal bore 43 providing and fixing c.p. brass extension nipple ( size 15mmx50mm ) of approved make and quality as per direction of engineer-in-charge. 44 providing and fixing ptmt grating of approved quality and colour. 45 i ) circular typea ) 100 mm nominal dia 46 providing and fixing p.v.c. waste pipe for sink or wash basin includingp.v.c. waste fittings complete. 47 a ) flexible pipei ) 40 mm dia 48 providing and fixing isi marked aluminium butt hinges anodised ( anodic coating not less than grade ac 10 as per is: 1868 ) transparent or dyed to required colour or shade with necessary screws etc. complete: 49 100x63x4 mm 50 100x63x3.2 mm 51 providing and fixing aluminium sliding door bolts, isi marked anodised ( anodic coating not less than grade ac 10 as per is : 1868 ) , transparent or dyed to required colour or shade, with nuts and screws etc. complete : 52 250x16 mm 53 providing and fixing aluminium tower bolts, isi marked, anodised ( anodic coating not less than grade ac 10 as per is : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete : 54 150x10 mm 55 providing and fixing aluminium handles, isi marked, anodised ( anodic coating not less than grade ac 10 as per is : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete : 56 125 mm 57 providing and fixing aluminium hanging floor door stopper, isi marked, anodised ( anodic coating not less than grade ac 10 as per is : 1868 ) transparent or dyed to required colour and shade, with necessary screws etc. complete. 58 single rubber stopper 59 providing and fixing factory made panel pvc door shutter consisting of frame made out of m.s. tubes of 19 gauge thickness and size of 19 mm x 19 mm for styles and 15x15 mm for top & bottom rails. m.s. frame shall have a coat of steel primers of approved make and manufacture. m.s. frame covered with 5 mm thick heat moulded pvc c channel of size 30 mm thickness, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on both side forming styles and 5 mm thick, 95 mm wide pvc sheet out of which 75mm shall be flat and 20 mm shall be tapered in 45 degree on the inner side to form top and bottom rail and 115 mm wide pvc sheet out of which 75 mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. top, bottom and lock rails shall be provided both side of the panel. 10 mm ( 5 mm x 2 ) thick, 20 mm wide cross pvc sheet be provided as gap insert for top rail & bottom rail, paneling of 5 mm thick both side pvc sheet to be fitted in the m.s. frame welded / sealed to the styles & rails with 7 mm ( 5 mm+2 mm ) thick x 15 mm wide pvc sheet beading on inner side, and joined together with solvent cement adhesive. an additional 5 mm thick pvc strip of 20 mm width is to be stuck on the interior side of the c channel using pvc solvent adhesive etc. complete as per direction of engineer-in-charge, manufacturers specification & drawing. 60 30 mm thick plain pvc door shutters 61 providing and fixing 12 mm thick panelling or panelling and glazing in panelled or panelled and glazed shutters for doors, windows and clerestory windows ( area of opening for panel inserts excluding portion inside grooves or rebates to be measured ) . panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick. 62 marine plywood conforming to is: 710 63 providing and fixing aluminium casement windows fastener of required length for aluminium windows with necessary screws etc. complete. 64 anodized ( ac 15 ) aluminium 65 distempering with 1st quality acrylic distember ( ready mix ) having voc content less than 50 grams / litreof approved brand and manufacture to give an even shade : 66 old work ( one or more coats ) 67 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, all complete as per direction of engineer-in-charge. 68 with cement mortar 1:4 ( 1 cement : 4 fine sand ) 69 finishing walls with acrylic smooth exterior paint of required shade : 70 old work ( one or more coat applied @ 0.90 ltr / 10 sqm ) . 71 providingand applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having sun reflectivity index ( sri ) of 105 on top of concrete roof in three coats @10.76 litre / 10 sqm. one coat of self-priming of elastomeric waterproofing liquid ( dilution with water in the ratio of 3:1 ) and two coats of undiluted elastomeric waterproofing liquid ( dry film thickness of complete application / system not less than 500 microns ) . the operation shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete in all respect as per the direction of engineer-in-charge. 72 providing and fixing on wall face unplasticised rigid pvc rain water pipes conforming to is : 13592 type a, including jointing with seal ring conforming to is : 5382, leaving 10 mm gap for thermal expansion, ( i ) single socketed pipes. 73 110 mm diameter 74 providing and fixing on wall face unplasticised - pvc moulded fittings / accessories for unplasticised rigid pvc rain water pipes conforming to is : 13592 type a, including jointing with seal ring conforming to is : 5382, leaving 10 mm gap for thermal expansion. 75 a ) bend 87.5°i ) 110 mm bend 76 cleaning of terrace / loft water storage tank ( inside surface area ) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of engineer-in-charge. ( the old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ rs. 0.10 per litre ) ( if during cleaning any gi fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account ) 77 cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 psi for sewer line from 150mm dia upto 300mm 78 cleaning of under ground sump, over head r.c.c. tank ( independent staging ) including disposal of slit and rubbish, all as per direction of engineer-in-charge. the cleaning shall consistfollowing operations:- tank shall be emptied of water by pumping & bottom shall be cleaned of silt and otherdeposits. entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. ( iii ) chlorination of rcc internal surface by liquid chlorine. the treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. finally the surface shall be treated with ultraviolet radiation etc. as per direction of engineer-in-charge. 79 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 80 1:3:6 ( 1 cement : 3 coarse sand ( zone-iii ) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources ) 81 providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - all work up to plinth level : 82 1:1.5:3 ( 1 cement : 1.5 coarse sand ( zone-iii ) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources ) 83 centering and shuttering including strutting, propping etc. and removal of form for 84 foundations, footings, bases of columns, etc. for mass concrete 85 steel reinforcement for r.c.c. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. 86 thermo-mechanically treated bars of grade fe-500d or more. 87 renewing glass panes, with putty and nails wherever necessary including racking out the old putty: 88 float glass panes of nominal thickness 4 mm ( weight not less than 10kg / sqm ) 89 providing & fixing white vitreous china water closet squatting pan ( indian type ) along withs or p trap including dismantling of old wc seat and s or p trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i / c malba, all complete as per the direction of engineer-in-charge. 90 long pattern w.c pan of size 580x440 mm 91 taking out existing wooden door shutter, repair by cutting, painting etc. and refixing of repaired door shutters to existing door frames, including replacement of hinges with screws, etc. as required, all complete as per the direction of the engineer-in-charge. 92 providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length ( hold fast lugs or dash fastener shall be paid for separately ) . 93 superior hardwood cat-ii a 94 providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of engineer-in-charge. ( note:- butt hingesand necessary screwsshall be paid separately ) 95 a ) superior hardwood cat-ii ai ) 35 mm thick shutters 96 providing and fixing g.i extension nipple ( size 150mm ) of approved make and quality as per direction of engineer in charge. 97 15 mm nominal bore 98 20 mm nominal bore 99 25 mm nominal bore 100 providing and fixing g.i sockets of approved make and quality as per direction of engineer-in-charge. 101 15 mm nominal bore 102 20 mm nominal bore 103 25 mm nominal bore 104 providing and fixing g.i flanges with nuts and bolts, rubber gasket etc. all complete. 105 80 mm dia nominal bore. 106 providing and fixing c.p brass pillar cock of approved quality conforming to is:8931 107 a ) 15mm dia nominal bore. 108 providing and fixing c.p brass waste coupling of approved quality conforming to is:8931. 109 40 mm norminal bore 110 providing and supply of mazdoor as and when required for regular supervision, jungle cleaning of dss residential campus, atteding miscellaneous works which are non susciptile to measure, clearing chocked sewer lines at all heights with scaffoldings etc, dismantling of pipes, minor repairs to all buildings including cost of labour charges minor tools etc all complete as per the direction of eic. 111 semi skilled worker 112 un skilled worker 113 taking out and refixing the taken out aluminium window and clerestory window shutter as per the direction of engineer-in-charge including providing and fixing hinges / pivots, aluminium casement window fastener of required length with necessary screws etc. complete and making provision for fixing of fittings wherever required. 114 of area of 2 sq. metres and below. 115 hiring of vehicles whenever required to mobilize men & materials for routine / prevantive maintenance 116 truck ( 0-10 km ) 117 pick up van ( 0-10 km ) 118 septic tank suldge cleaner tanker ( 0-10 km ) 119 disconnecting damaged overhead / terrace pvc water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of engineer-in-charge.