allied works of swarnamoyee bird aviary at zoological garden, alipore- 1 scraping of moss, blisters etc.thoroughly from exterior surface of walls necessitating the use of scraper, wire brush etc.(payment against this item will be made only when this has been done on the specific direction of the engineer-in-charge) 2 stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed. 3 filling rat-holes with broken glass and cement concrete (1:3:6) with jhama chips including shaping holes and mending damages 4 washing and cleaning with oxalic acid powder using 33 gms./sq.m.floor/ dado other than marble 5 cement concrete (1:1.5:3) with graded stone chips 5.6 mm size with hexagonal square mesh wire netting, i.r.c. fabric mesh or x.p. m. fitted and fixed after tying the existing reinforcement on concrete without distributing the same and with proper scarping and cleaning the reinforcement and disturbed concrete with wire brush etc. after applying a coat of cement including the cost of wire netting i.r.c or x. p. m. & cost of all handling and scaffolding complete as per direction of engineer-in -charge. 20 mm thick 6 making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and s&p works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the engineer-incharge.3.90 metre height 7 extra for additional 3.6 height or part thereof 8 extra rate for using water proofing and plasticising admixture @ 0.2% by weight of cement (or at manufacturers specified rate) for concrete of various grades. 9 preparation of beds for hedging and shrubbery by excavating 60cm deep and trenching the excavated base to a further depth of 30cm, refilling the excavated earth after breaking clods and mixing with sludge or manure in the ratio of 8:1 ( 8 parts of stacked volume of earth after reduction by 20%, one part of stacked volume of sludge or manure after reduction by 8%), flooding with water, filling with earth if necessary watering and finally fine dressing, levelling etc., including stacking and disposal of materials declared unserviceable and surplus earth by spreading and levelling as directed, within a lead of 50m lift upto 1.5m complete. this includes supply of labour, tools & plants including materials. planting hedge plants in two rows at 30cm apart 10 supplying and fixing grasses tiles of grass maxican carpet/selection no. 1 healthy & fresh grasses (size 1x1 or bigger) including watering and maintenance of the lawn for 30 days or more till the grass forms a thick lawn free from weeds and fit for mowing including supplying good earth as required by engineer-in-charge. (rate includes supply of labour, tools & plants including materials) 11 supplying and stacking sludge (adequate for horticulture work) at site in dry cake form from approved disposal work site including royalty, all lead and lift etc. (sludge measured in stack will be reduced by 8%). 12 spreading of sludge, dump manure,/farm yard manure/animel dung manure and good earth in required thickness. this includes supply of labour, tools & plants excluding materials. 13 supplying bubble free float glass of approved make and brand conforming to is: 2835-1987. 12mm thick cleared toughened glass coforming to is: 2553-1992 (part-ii) 14 supplying, fitting, fixing, chain link fencing of approved quality with r.c.c posts wooden posts or iron posts by means of galvanised c clips to grid of horizontal strands of galvanised high tensile spring steel wire of 12 s.w.g which have to be tensioned and fixed to the vertical posts by means of galvanised special clips, bolts and nuts etc. 12.5 mm. x 12.5m. x 12 g. 15 supplying, fitting and fixing bib cock or stop cock. chromium plated bib cock short body (equivalent to code no. 511 & model - tropical / sumthing special of essco or similar brand) 16 brick work with 1st class bricks in cement mortar (1:6) in foundation and plinth 17 plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor).[excluding cost of chipping over concrete surface](b) 20 mm thick plaster(i) with 1:6 cement mortar 18 add gst 18% on total cost of civil works 19 add @ 1 % for labour welfare cess