tender for special repair of type-ii (old) 112 nos qty (total 14 block i.e., block no 5,7 to 11, 13 to 17, 20,22 & 24), type-iii 32 nos qtr(total 04 block no. a to d) and type-iv 24 nos qtrs (total 03 block a to c) at gc crpf siliguri; 1 removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete 2 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. with cement mortar 1:4 (1 cement : 4 fine sand) 3 providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. 4 distempering with 1st quality acrylic distemper, having voc (volatile organic compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.old work (one or more coats) 5 finishing walls with acrylic smooth exterior paint of required shade :old work (two or more coat applied @ 1.67 ltr/10 sqm) on existing cement paint surface 6 painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :one or more coats on old work 7 applying priming coats with primer of approved brand and manufacture, having low voc (volatile organic compound ) content.with water thinnable cement primer on wall surface having voc content less than 50 grams/litre 8 providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia m.s. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with m.s. tubes, m.s. tube challies, m.s. clamps and m.s. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. the scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of engineer-in-charge. the elevational area of the scaffolding shall be measured for payment purpose. the payment will be made once irrespective of duration of scaffolding. 9 providing and fixing 35 mm thick factory made laminated veneer lumber door shutter conforming to is : 14616 and tads 15:2001 (part b), fixing with butt hinges of required size with necessary screws, all complete as per directions of engineer- in-charge and panelling with panels of : (note:- butt hinges and necessary screws shall be paid separately)12 mm thick plain grade -1, medium density flat pressed three layer particle board fpt - i or graded wood particle board fpt- i, is : 3087 marked, bonded with bwp type synthetic resin adhesive as per is : 848 : 10 providing and fixing isi marked is : 1341 oxidised m.s. pressed butt hinges with necessary screws etc. complete. (copper oxidized as per is: 1378) 100x58x1.90 mm 11 providing and fixing isi marked oxidised m.s. tower bolt black finish, (barrel type) with necessary screws etc. complete : (copper oxidized as per is: 1378)250x10 mm 12 providing and fixing isi marked oxidised m.s. tower bolt black finish, (barrel type) with necessary screws etc. complete : (copper oxidized as per is: 1378)150x10 mm 13 providing and fixing isi marked oxidised m.s. handles conforming to is:4992 with necessary screws etc. complete : (copper oxidized as per is: 1378)125 mm 14 providing and fixing isi marked oxidised m.s. sliding door bolts with nuts and screws etc. complete : (copper oxidized as per is: 1378) 300x16 mm 15 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. single rubber stopper 16 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 17 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.30 mm thick plain pvc door shutters 18 providing and fixing isi marked oxidised m.s. pressed butt hinges with necessary screws etc. complete. 75x47x1.70 mm 19 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 : 100 mm 20 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 :150x10 mm 21 providing and fixing 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.fly proof stainless steel grade 304 wire gauge with 0.5 mm dia. wire and 1.4 mm wide aperture with matching wood beading 22 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 hinges and necessary screws shall be paid separately)kiln seasoned and chemically treated hollock wood 30 mm thick shutters 23 providing and fixing ist quality ceramic glazed wall tiles conforming to is: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by engineer-in-charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete. 24 providing and laying ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer) of 1st quality conforming to is : 15622 of approved make in colours such as white, ivory, grey, fume red brown, laid on 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand), jointing with grey cement slurry @ 3.3 kg/sqm including pointing the joints with white cement and matching pigment etc., complete. 25 chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand). dark shade pigment using ordinary cement 26 providing and fixing soil, waste and vent pipes : 100 mm dia centrifugally cast (spun) iron socket & spigot (s&s) pipe as per is: 3989 27 providing and filling the joints with spun yarn, cement slurry and cement mortar 1:2 ( 1 cement : 2 fine sand) in s.c.i./ c.i. pipes : 100 mm dia pipe 28 providing and fixing m.s. holder-bat clamps of approved design to sand cast iron/cast iron (spun) pipe embedded in and including cement concrete blocks 10x10x10 cm of 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including cost of cutting holes and making good the walls etc. :for 100 mm dia pipe 29 providing and fixing bend of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete. 100 mm dia sand cast iron s&s as per is - 1729 30 providing and fixing double equal junction of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete :100x100x100x100 mmsand cast iron s&s as per is - 1729