Tit-bit Civil Renovation work at NTAA IIIB,IIIC,IIIE and IIIG 33/11 KV sub-station

Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. In ground floor.

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. a) In ground floor including roof.

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).

Removing old scales, blisters etc. of interior surface of walls, ceiling by scraping etc. and preparing smooth and even surface with rendering or cement mortar (1:2) (as necessary), to make the surface suitable for receiving distemper. (Payment againt this item will be made only when this has been done on the specific direction of the Engineer-in-Charge).

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish and stacking anywhere within the compound as directed.

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.

Single brick flat soling of picked jhama bricks including removing & dressing bed to proper level & filling joints with powered earth or local sand.

Ordinary Cement Concrete (mix 1: 2: 4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. Pakur variety. Consider a distance of 13 Km from Sealdah Railway station.

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. Pakur variety. Considering a distance of 13 Km from sealdah rail station.

Cement concrete with graded stone ballast (40mm size excluding shuttering). In ground floor. Pakur variety. 1:3:6 proportion.

Hire & labour charges of shuttering with centering & necessary staging up to 4m. 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 & striking out after completion of work (up to roof of ground floor).

a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. i) Up to the roof of Ground floor.

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 & bending to correct shape, placing in proper position & binding with 16 gauge black annealed wire at every inter section complete as per drawing and direction. For work in foundation and up to roof of ground floor/ up to 4mtr mild steel/ Tor steel. For work in foundation and up to roof of ground floor/ up to 4mtr mild steel/ Tor steel. JSW/JSPL/SHYAM/SRMB/ELEGANT/ELECTROSTEEL.

Brick work with 1st class bricks in cement mortar (1:6).

In superstructure ground floor.

Plaster (to wall, floor, ceiling etc.) with sand cement mortar including rounding off or chamfering corners as directed and racking out joints or roughening of concrete surface by chipping etc. including throating, nosing and drip course where necessary. Excluding cost of chipping over concrete surface. In ground floor.

ii) 20 mm thick plaster with (1:6) cement mortar.

i) 15 mm thick plaster with (1:6) cement mortar.

iii) 10 mm thick plaster with (1:4) cement mortar.

Neat cement punning about 1.5 mm. thick in wall, dado, window, sills, floor, drain etc.

Applying Inerior grade Acrylic Primer of approved quality and brand on plaster or concrete surface old or new surface to receive Distemper/ Acrylic emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. One coat. Water based interior grade Acrylic Primer. In Ground Floor.

Applying Acrylic Emulsion paint of approved make and brand on walls and ceiling including sand papering in intermediate coats including putty (to be done under specific instruction of Superintending Engineer): Two coats: Standard Quuality.

Applying exterior grade Acrylic Primer of approved quality and brand on plastered or concrete surface old or new surface to receive decorative texture (matt finish) or smooth finish Acrylic exterior emulsion paint including scrapping and preparing the surface thoroughly, complete as per manufacturer’s specification and as per direction of the EI. Water based interior grade Acrylic Primer. One coat. In ground floor.

Protective and decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of EIC to be applied over acrylic primer as required. The rates includes cost of materials labour, scaffolding and all incidental charges but excluding the cost of primer. Two coats. Premium Acrylic Emulsion. In ground floor.

ii) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surface by sand papering etc.

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.

b) On steel or other metal surface. With super gloss (hi-gloss). Two coats (with any shade except white).

Supplying, fitting & fixing UPVC pipes A-Type and fittings conforming to IS: 13592-1992 with all necessary clamps nails, including making holes in walls, floors etc. cutting trances in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materials (Spun Yarn, Valamoid/Bitumen/M-Seal etc) complete.

i) UPVC Pipes.

ii) Bend 87.5 degree, 110mm dia.

iii) Shoe

M.S. works in framed gratings of window etc.made of round or square bars and frame work or M.S. flats (with the bars securely fixed to the flat bar frame) with or without intermediate flat bar stiffener and fixed with necessary screws etc. complete, as directed. (For fixing chequered plate) In ground floor.

125 mm thick brick work with 1st class bricks in cement mortar (4:1). In super structure ground floor.

Supplying, fitting & fixing steel windows and ventilator with or without integrated grills conforming to I.S. 1038 – 1975 and manufactured from rolled steel section conforming to I.S. 7452 – 1974 with non-friction projecting type, box type hinges, glazing clips, lugs, locking brackets, handle plate etc. including hoisting in position strengthening if required, fixing lugs in cement concrete (4:2:1) with stone chips 19mm. down, cutting holes & mending good damages to match with the existing surface complete in all respect excluding glazing. In ground floor. Flash but welded windows & ventilators. Without integrated grills. Without integrated grills.

(viii) M.S. integrated grill as per approved design integrated with steel window or ventilator, joints continuously welded with M.S. flats and bars.

Supplying best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. 4 mm thick.

Rendering the surface of walls and ceiling with white cement based wall putty of approved make and brand (1.5mm thick)

Supplying ‘Godrej’ mortice lock chromium plated with latch and keys 4 levers, including fitting and fixing complete.

Door stopper. (Brass)

Anodized aluminium barrel / tower / socket bolt (full covered) of approved manufactured from extruded section conforming to I.S. 204/74 fitted and fixed with cadmium plated screws. 225 mm long X 12 mm dia bolt.

Anodised alluminium butt hinges of approved quality manufactured from extruded section conforming to I.S specification (IS: 205/66) and fitted and fixed with cadmium plated screws. 100 x 75 x 4.0mm.

Anodized alluminium ‘D’ type handle of approved quality manufactured from extruded section conforming to I.S specification (IS: 230/72) fitted and fixed complete. With continuous plate base (hexagonal/ round rod). 125mm. grip x 12mm. dia rod.

Supplying profiles of required section made of alluminium alloy extrusions conforming to IS: 733/1983 and IS: 1285/1975; anodized (with required film thickness and specified colour/ natural) matt finished conforming to IS: 1868/1983 for fabrication of composite door, sliding and casement windows, partitions, formed of basic sections of any ISI embossed / certified make and brand as per direction of Engineer-in-Charge. In 10 to 12 micron thickness anodizing film. Natural white.

B) Movable door shutter. i) Door frame. (Top & sides).

ii) Shutter : (a) Top Rail

(b) Bottom rail

(c) Lock rail

(d) Door vertical

(e) Glazing clip.

Labour charge for fabrication and installation of composite door, window, and partitions made from annoidized extruded alloy aluminium section for the following units.

A) Partly glazed partly paneled or fully glazed single leaf alluminium swing door made of extruded and anodized alloy alluminium sections, fabrication including cutting to proper shape and size, drilling and aligning fitted with heavy duty hydraulic action floor spring placed in the floor with mending damages with top pin assembly of approved make and brand, fitted with in-built locking arrangement, flush bolt, glazing clips and all other necessary fittings, fixture, adhesive and joineries, cutting glass of approved make to requisite shape and size fitting with dry set neoprene or EPDM gasketing, cutting to requisite shape and size panel board (pre-laminated /particle block) fixing them with glazing clips as per drawing, specification and direction of Engineer-in-charge.

Hydraulic door closer of approved quality as per I.S.I. standard fitted and fixed complete. Medium (I.S.I. size 2)

Supplying fitting and fixing in position approved PVC door frame (matt finish) made of extruded PVC multichamber hollow section having dimensions 60mm X 50mm X 2mm (± 0.2mm), horizontal section will be joined with vertical section by galvanised steel screws after inserting two number steel brackets as reinforcement making suitable space for placing hinges, one steel tube 40mm X 20mm X 1.2 mm will be inserted on one full vertical side of the frame (hinge side) as reinforcement, the frame will then be fixed in the opening with the help of PVC expendable fastener wooden gulties and galvanised steel screws including cost of all materials and labour, hire charges of tools and appliances, carriage of all materials, taxes and all other incidental charges complete.

PVC door shutter 30 mm thick: Supplying, fitting & fixing PVC door shutter of approved quality and shade in position, the style and rail of the PVC door shutter will be made of rigid PVC multi-cavity hollow chamber of 59 mm X 30 mm section with 2 mm (± 0.2mm) wall thickness horizontal and vertical section shall be fixed to each other by self tapping screws and one solid polymeric/ MS galvanized tubular L-shaped brackets 100 mm X 200 mm in each corner of the shutter frame for placing hinges. Polymer based multi-cavity holo section of 120 mm X 30 mm with 2 mm (± 0.2mm) wall thickness will be placed in the middle, reinforced by solid polymer bar of 200 mm long at both end and screws from both sides as lock rail. The section frame will then be fitted in by PVC panels of size 100 mm X 25 mm with wall thickness 1.2 mm (± 0.2mm) and 2 nos of 6 mm dia bright rod will be inserted horizontally with both sides checked and nut system and stretches where fixing of hinges or hasp bolt or tower bolt or door ring are required to be strong enough to with stand wire and tear. The rate is inclusive of cost of all materials and labour, hire of tools and plants appliances. Carriage of all materials taxes and all other incidental charges complete. The rate is exclusive of cost of hinges, hasp bolt, tower bolt, door ring etc. in ground floor.

M.S. structural works in roof trusses with tubular sections conforming to IS: 806-1968 & IS: 1161- 1998 cnnected to one another with bracket, gusset cleats as per design, direction of Engineer-in-charge complete including cutting to requisite size, fabrication with necessary metal arc welding conforming to IS: 816- 1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, 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 reqired for the work including all incidental chages such as electricity charges, labour insurance charges etc. Payment to be made on the basis of calculated weight of structural tubular memebrs as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. The rates are considered for a height of erection 8 m. / 2nd floor level from the ground. Add 1.5 % extra over the rate for each additional floor or 4m. beyond the initial 8 m. or part thereof. i) For trusses spanning up to 12.00 m

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