Construction Of Equipment Foundations For Renovation Of Switchyard In Addition With Other Ancillary Civil Works At Harit 33/11 Kv Sub-Station Under Tarakeswar Division, Wbsedcl.- 1 Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. 2 (a) Depth of excavation not exceeding 1,500 mm. 3 Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm.including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) 4 (a) With earth obtained from excavation of foundation. 5 Filling in foundation or plinth by Midium coarse sand in layers not exceeding 150 mm. as directed and consolidating same by thorough saturation with water ramming complete, including the cost of supply of sand. (Payment to be made on measurement of finished quantity). 6 Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. 7 Cement concrete with graded stone ballast (40 mm size excluding shuttering). 8 In ground floor and foundation.(A) Pakur Variety. 9 (a) 6:3:1 proportion 10 i) In ground floor and foundation. 11 Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm.nominalsize) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. 12 a) Pakur Variety. 13 i) In ground floor and foundation. 14 Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips(20 mm.nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes. 15 a) PakurVariety 16 i) In ground floor and foundation. 17 Ordinary Cement concrete (mix 1:2:4) with graded stone chips (6 mm.nominalsize) excluding shuttering and reinforcement, if any, in ground floor as per relevant IS codes.a) Pakur Variety. 18 Hire and labour charges for shuttering with centreing and necessary staging upto 4 m. using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels curved or straight including fitting, fixing and striking out after completion of works . 19 (a) 25 mm to 30 mm shuttering without staging in foundation 20 (b) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. 21 Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups,binders etc. including supply of rods, initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bennding to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.Mild steel/ Tor steelJSW/JSPL/SHYAM/SRMB/BMASL/ELECTROSTEEL/SSL 22 i)Ground floor 23 Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion .of reinforcement as per manufacturers specification] [Mode of measurement:The affected surface area of reinforcement shall be considered for payment] 24 Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge. 25 Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with waterin proportion (1bonding agent : 4 water : 6 cement) as per Manufacturers specification 26 Application of priming coat for standard bituminous waterproofing treatment over flat roof with Bitumen primer of approved brand fufilling the provision of I.S. 1346 - 1991 & 3384 - 1986 applied @ 0.27 Liters /Sq.m. over clean and prepared roof surface complete as per satisfaction of the Engineer - in - Charge. 27 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. 28 Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.i) In ground floor 29 Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.(a) upto 150 mm. thicki) In ground floor 30 Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars.i) In ground floor 31 Dismantling artificial stone flooring upto 50 mm. thick by carefully chiselling without damaging the base and removing rubbish as directed within a lead of 75 m.i) In ground floor 32 Cutting chase upto 125 x 150 mm. and subsequent mending of damages. 33 (a) in brick wall 34 (b) in concrete wall 35 Cutting holes and subsequent mending good damages.Diameter upto 150 mm. 36 (a) in brick wall 37 (b) in concrete wall 38 Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal /Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge 39 Brick work with 1st class bricks in cement mortar (1:6) 40 i) In foundation & plinth 41 ii) In super structure, ground floor 42 125 mm. thick brick work with 1st class bricks in cement mortar (1:4) in ground floor. 43 i)In superstructure, ground floor. 44 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. 45 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.] a) 15 mm thick plaster(1:4). i)In ground floor 46 b) 15 mm thick plaster(1:6) i) In ground floor 47 Labour for Chipping of concrete surface before taking up Plastering work. 48 Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc.NOTE: Cement 0.152 cu.m. per sq.m. 49 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) 50 Removing loose scales, blisters etc. from old painted surface and thoroughly smoothening the surface to make the same suitable for receiving fresh coat of paint. 51 Protective and decorative Acrylic exterior emulsion paint of approved quality, as per manufacturers specification and as per direction of EIC to be applied over acrylic primer as required.The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. 52 Acrylic Emulsion.(Two Coat), Normal. 53 (i)In ground floor. 54 Applying Exterior grade Acrylic Primer of approved quality and brand on plastered or concrete surface old or new surface to receive decorative textured (mat finish) or smooth finish acrylic exterior Immersion paint including scrapping and preparing the surface thoroughly, complete as per manufacturers specification and as per direction of E.I.C 55 One coat on new surface. 56 (i)In ground floor. 57 (a) Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. 58 (b) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. 59 Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary. 60 (a) On timber or plastered surface : 61 With super gloss (hi-gloss) - 62 Two coats (with any shade except white) 63 (b) On steel or other metal surface : 64 With super gloss (hi-gloss) - 65 Two coats (with any shade except white) 66 Applying Interior grade Acrylic Primer of approved quality and brand on plastered or concrete surface old or new surface to receive distemper / acrylic emulsion paint including scrapping and preparing the surface thoroughly, complete as per manufacturers specification and as per direction of E.I.COne coat. i) Water based interior grade Acrylic Primer 67 Applying Acrylic emulsion paint of approved make and brand on walls and ceiling including sand papering in intermidiate course including putty (two coats).Standard Quality. 68 i) Supplying fitting & fixing UPVC Pipes A type and fitttings conforming to IS 13592-1992 with all necessary clamps, nails including making holes in walls, floors etc cutting trenches in any soil through masonary concrete structures etc, if necessary, and mending good damages including joining with jointing materials (Spun yarn, valamoid / bitumen/ M-Seal, etc.) complete. 69 A.) UPVC Pipes 70 110 mm 71 B) Plain Tee (UPVC), 110mm dia. 72 C) UPVC Shoe, 110mm dia. 73 D) Bend 87.5 degree, 110 mm dia. 74 E) Plain Y , 110 mm. Dia. 75 ii)Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 Single Socketed 3 Meter Length. 110 mm 76 Supplying approved quality best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. 3mm thick (weighing 7.4 Kg/ sqm). 77 Extra for fixing glass panes in steel window. 78 Renewing worn out putty of glass panes. Panes not exceeding 0.2 Sq.m 79 Rendering the surface of walls and ceiling with white cement based wall putty of approved make and brand(1.5mm thick). 80 (A)Supplying, fitting and fixing PVC pipes of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads,fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately)For exposed worki) 32 mm dia 81 (ii) 25 mm dia 82 (iii) 20 mm dia 83 (iv) 15 mm dia 84 Supplying, fitting and fixing bib cock or stop cock or pillarcock 85 a) Chromium plated concealed Stop cock [Equivalent to Code No.514(A) & Model - Tropical/Sumthing of ESSCO or similar brand] 86 b) ) Chromium plated Stop Cock (Equivalent to Code No. 513(A) &513(B) & Model - Tropical / Sumthing Special of ESSCO or similar brand) 87 c).Chromium plated Bib Cock Short body [Equivalent to Code No.511 & Model - Tropical/Sumthing special of ESSCO or similar brand] 88 d)Chromium plated Bib Cock with wall flange (Equivalent to Code No. 5047 & Model - Florentine of Jaquar or similar brand). 89 (e)PTMT (Polytetra Bib Cock / Stop Cock ( Prayag or equivalent) 15 mm 90 (g) Supplying, fitting and fixing pillar cock of aooroved makeCP Pillar Cock - 15 mm.(Equivalent to Code No. 507 & Model - Tropical / Sumthinhg Special of EESCOor similar brand). 91 Supplying, fitting and fixing 10 litre P.V.C. low-down cistern conforming to I.S. specificatioons with P.V.C. fittings completre, C.i. brackets including two coats of painting to bracket etc. 92 Wash basin vitreous china of approved make (without fittings) supplied,fitted and fixed in position on 75mm X 75 mm X 75 mm wood blocks and C.I. brackets including two coats of painting of C.I. brackets550 mm X 400 mm size 93 (i)Supplying, fitting and fixing E.W.C. in white glazed vitreous chinaware of approved make complete in position with necessary bolts, nuts etc.With P trap 94 (ii) Supplying, fitting and fixing Closet seat of approved make with lid and C.P. hinges, rubber buffer and brass screws complete.Plastic (hallow type) white 95 Supplying,fitting and fixing approved brand P.V.C. CONNECTOR white flexible, with both ends coupling with heavy brass C.P. nut, 15 mm dia.750 mm long 96 Supplying, fitting and fixing towel rail with two brackets.C.P. over brass. 25 mm. dia. and 450 mm. long. 97 Supplying,fitting and fixing approved brand 32 mm dia. P.V.C. waste pipe, with PVC coupling at one end fitted with necessary clamps. 600 mm long 98 Supplying, fitting and fixing Flat back urinal (half stall urinal) in whitevitreous chinaware of approved make in position with brass screws on 75mm X 75 mm X 75 mm wooden blocks complete.470 mm X 280 mm X 340 mm 99 Supplying, fitting and fixing bevelled edged mirror 5.5 mm thick silver red as per I.S. 3438 / 1965 together with brass C.P. hinges.(i) 450 mm X 300 mm 100 Supplying,fitting and fixing 32 mm dia. Flush Pipe of approved make with necessary fixing materials and clamps complete.i) Polythene Flush Pipe 101 Supplying, Fitting & Fixing Factory made P.V.C. door frame of size 50 mmx47mm with a wall thickness of 5 mm, made out of extruded 5 mm, PVC sheet miter cut at two corners and joined with two nos of 1.5 mm long brackets of 15 mm x15mm M.S. square tube. The two vertical door profiles are to be reinforced with 19mmx 19 mm M.S. Square tube of 19 gauge, weather seal to be provided through out the frame. The door frame shall be fixed with the wall using 65/100 mm long M.S. Screws through the frame by using P.V.C fasteners. A minimum of 4 Nos of screws to be provided for each vertical member and minimum 2 Nos for horizontal member etc. complete as per Manufacturer‟s specification and direction of Engineer-in-Charge. 102 PVC Door Shutter-30 mm thick: Supplying fitting and fixing P.V.C. door shutter of approved quality & shade in position, the style & rail of the P.V.C. door shutter will be made of rigid P.V.C. multicavity hollow chamber of 59 mm x30 mm section with 2.0 mm (+/-0.2 mm) wall thickness.Horizontal & vertical section shall be fixed to each other by self tapping screws and 1 solid polymeric or M.S. galvanised tubular L shaped bracket 100mm x 200mm in each corner of the shutter frame for placing hinges. Polymer based multicavity hollow section of 120 mm x30mm with 2.0 mm (+/- 0.2mm) wall thickness will be fitted in the middle, reinforced by solid polymer bar of 200 mm long at both ends and screws from both sides as lock rail. The section frame will then be fitted in by PVC panels of size 100 mmx25 mm with wall thickness of 1.2 mm (+/- 0.2 mm) and 2 nos. of 6 mm dia bright rod will be inserted horizontally with both side check and nut system and stretches where fixing of hinges / hasp bolt / tower bolt / door ring are required to be strong enough to with stand wear and tear. The rate is inclusive of cost of all materials, labour, and hire of tools and plants and appliancesi/c carriage of all materials taxes and all other incidental charges complete. 103 Supplying, fitting & fixing 1st quality Ceramic tiles in walls and floors to match with the existing work & 4 nos. of key stones (10mm) fixed with araldite at the back of each tile & finishing the joints with white cement mixed with colouring oxide if required to match the colour of tiles including roughening of concrete surface, if necessary or by synthetic adhesive & grout materials etc.Wall:-With Sand Cement Mortar (1:3) 15 mm thick & 2 mm thickcement slurry at back side of tiles using cement @ 2.91Kg/Sq.m & joint filling using white cement slurry @0.20kg/Sq.m.(a) Area of each tile upto 0.09 Sq.mColoured decorative 104 Supplying and laying true to line and level Anti-Skid, Full Body, Homogeneous & Granular finish Vitrified Tiles conforming to IS:15622-2006 & IS 4457-2007 and testing shall be made in accordance with IS:13630 [Non- modular sizes for tiles with Skid resistance > 0.5, Mohrs hardness > 5.0, Staining resistance: Class-1, Water Absorption: E < 0.5%], MOR > 35 N/sq.mm in Internal area of building e.g. Toilet Block, Passage, Corridor, Accessible Open Terrace etc. set in 20 mm sand cement mortar (1:4) and 2 mm thick cement slurry at back side of tiles using cement @ 2.91 Kg./Sqm or using Polymerised Adhesive (6 mm thick layer applied directly over finished artificial stone floor/ Mosaic etc without any backing course) laid after application slurry using 1.75 Kg of cement per Sqm below mortar only, joints grouted with admixture of white cement and colouring pigment to match with colour of tiles/ epoxy grout materials of approved make as directed and removal of wax coating of top surface of tiles with warm water and polishing the tiles using soft and dry cloth upto mirror finish complete including the cost of materials, labour and all other incidental charges complete true to the manufacturers specification and direction of Engineer-in-Charge. (White cement, synthetic adhesive and grout material to be supplied by the contractor).a) In Ground Floor: Sizes-300 mm x300mm x10 mm with breaking strength > 1200 N.a)In ground floor 105 MS work in cable trench, cover slab, chaquered plate, clamp, cleats, brackets, etc. made from flat angle channel, tees, chequered plates 6mm thick, etc including necessary cuting to size fabricating, drilling of holes, forgeing, welding, revating, tightening with bolts and nuts with necessary washers including errection, fitting and fixing in position with all labour and materials, complete as per drawing and direction. 106 Clearing compound premises from shurbs, plants, jungles, etc. by cutting and removing as directed. 107 Supplying fitting and fixing 600 mm ( ±30 mm) diametre R.B.T (Reinforced Barbed Tape) Concertina fencing on wall top using concertina coils stretched to approx.6 meters length at site clipped with two nos. of horizontal R.B.T strands which will be tensioned and fixed with the vertical M.S angle iron posts by means of security fasteners (such as C clips, R.B.T clips etc.) 108 Supplying, fitting galvanised 3 ply 12 gauge / 4 points line of barbed wire in fencing (holes already made in the body of the post) or fixed by staples tightening and fixing the wires in taut condition with straining bolts including the cost of cutting and of lapping joints in the wire as necessary but excluding the cost of galvanised staples,straining bolt and binding wire where necessary. 109 Supplying galvanised staples fitted and fixed complete. 110 44 mm. to 50 mm. size 111 Supplying galvanised straining bolts (with eye at one end with double nuts and washers) fitted and fixed complete.(i) 12 mm. dia. (a) 300 mm. 112 M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in- charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1956 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. including handling charges of materials for the work complete. Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc.and no seperate payment being made for these items, as per direction of Engineer In Charge. For structural members of specified sections weighing less than 22.5 Kg./m 113 Collecting of existing gravels from switchyard premises and stacking the same within a lead of 75 meter within the Sub-Station area; screening, washing the gravels and cleaning the Switchyard from plants, jungle, shrubs, mud, slurry etc.; Re-spreading the same gravels over Plain Cement Concrete in the switchyard premises. 114 Supplying and laying chequered tiles of any shade & of approved quality with (1:1½:3) cement concrete laid in panels or patterns as directed in pavement, footpath etc. including necessary underlay 25 mm thick [avg] cement mortar (1:3) complete in all respect with all labour and materials. [Using cement slurry @ 4.4 kg/Sq.m at back side and @2.4 kg/Sq.m for joint filling]. Red Variety.30 mm. thick 115 Spreading work with approved quality 40mm (ungraded) nominal size crushed stone(Pakur variety) completely free from weathered and dead materials placed in position as directed. Without rolling or ramming. 116 Supplying, fitting, fixing G.I chain link fencing 75 mm x 75 mm mesh 12 g wire to the R.C.C or wooden posts with galvanised hooks or staples etc. complete as per direction. 117 Supplying and laying in the specified pattern of intelocking concrete block pavements (ICBP) with concrete blocks (with concrete grade as specified as per table 1 of IS 15658: 2006) manufacturerd from BIS licensee manufcturer, with spacer nib (small protruding profiles on the verticle faceof a paver block used as a device for keeping minimum joint gap in between the paving blocks, as per clause no, 3.26 of IS: 15658) and of specified size and shape with aspect ratio (the ration of length to thickness of a paver block, as per cl. no. 3.3 of IS: 15658) as per table 2 of IS : 15658 with flexural strength/ breaking load as per Annexure G of IS: 15658, on the prepared base cousre of specified CBR as per table 1 of IRC SP 63 (2018) or else as mentioned in design and drawing with a cushison of compacted bedding sand of 25-35 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP -63) and filling up the gaps in between paver blocks woth joint filling sand (the grding of the joint filling sand will beas per clause 6.5.2 of IRC SP 63) and completing the edges with cut blocks as per cl. no. 8.7 of IRC SP 63(2018) with proper confinement of bedding and joint filling sand, compaction, levelling and filling up of the edge gap. 50 mm thick Grey
