WBKP/CP/NIT- 15/ Repairing of barrack including repairing of Roof Shed of the Barrack of East Traffic Guard at 106 New Park Street/2nd Call /TEN, Dated.28.01.2026

2nd Call for Repairing of barrack including repairing of Roof Shed of the Barrack of East Traffic Guard at 106 New Park Street, Kolkata- 700017, during the year of 2025-2026.

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.

Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with water in proportion (1 bonding agent : 4 water : 6 cement) as per Manufacturer's specification [Cement to be supplied by the Department]

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.

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mmnominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including round 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] (iii) With 1:6 cement mortar (b) 15 mm thick plaster

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

Acrylic Distemper to interior wall, ceiling with a coat of solvent based interior grade acrylic primer (as per manufacturer's specification) including cleaning and smoothning of surface. Two Coats

Supplying best Indian sheet glass panes set in putty and fitted and fixed with nails and putty complete. (In all floors for internal wall & upto 6 m height for external wall)(i) 3 mm thick (weighing 7.4 kg/Sq.m)

Iron butt hinges of approved quality fitted and fixed with steel screws, with ISI mark(i) 50mm. X 37mm. X 1.50mm

(a) Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces 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.(a) On timber or plastered surface :With super gloss (hi-gloss) -(iv) Two coats (with any shade except white) (b) On steel or other metal surface(iv) Two coats (with any shade except white)

M.S. structural works in roof trusses with tubular sectionsconforming to IS: 806-1968 & IS: 1161- 1998 cnnected to oneanother with bracket, gusset cleats as per design, direction ofEngineer-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

Taking out old damaged tarfelt from the roof, parapet etc. preparing the roof surfaces by removing all spoils, blisters, moss etc. from the working site and disposal of the same beyond the compound and cleaning the site in all respect as per direction of Engineer-in-Charge

Replacing wooden beam or R.S. joist by R.S. joist or by another wooden beam joist and fixed complete, including hire and labour charges for necessary sal bullah props, necessary packing between beams and burgahs but excluding the cost of joist or wooden beam and concrete/ Brick works etc needed for mending damagesi) Height not exceeding 5m(a) Clear span not exceeding 3.7m.

Supplying, fitting & fixing Zn-Al alloy (55% Al & 45% Zn) coating of 150 grams per sq. metre (followed by colour coated on both side) steel sheet work having minimum yield strength of 550 Mpa of trapizoidal profile of approved make (excluding the supporting frame work) fitted and fixed with 55 mm & 25 mm self tapping screw, EPDM Washer 16 mm dia & 3 mm th. washer etc. complete with 150 mm end lap and one corrugation minimum side lap. (Payment to be madeon area of finished work

Galvanised or painted wind-tie made of M.S. flats, fitted and fixed complete including cost of necessary fittings(b) Made with 50 mm. X 6 mm. flats

Galvanised iron sheet eaves gutter fitted and fixed with necessary 50 mm X 6 mm M.S flat bar clamps bent to design, bolts, nuts, washers etc. complete. Eaves gutter made of 0.63 mm. sheets.(300mm End lapping)(a) 225 mm. wide gutter

Painting with ready mixed red lead paint of approved make and brand

(A) 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(ii) Two coats (white in shade

Providing and fixing of false ceiling with powder coated exposed G.I. grid suspension system (E-Grid T 2430/1510 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span with hanger spacing of 1200mm c/c ) consisting of Main Runner 3600 mm long, Cross Tee 1200 mm / 600 mm long and Wall Angle. The Wall Angle shall be fixed on PVC Dash Fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The Main Runners to be placed @ 1200 mm. The Cross Tee 1200mm will be inserted in the pre-cut slots of Main Runner at a regular interval of 600 mm to form a modular grid of 1200mm X 600mm. Additional Cross Tees of 600 mm shall be placed perpendicular to the Cross Tee 1200 mm long to finally form a grid of 600 mm X 600 mm. Grid of module size 600 mm X 600 mm shall be supported by 6 mm dia G.I. wire from purlins / soffit. 4 mm thick High Pressure Steam Cured Non Asbestos pearl designer Fibre Cement Standard Ceiling Board (Density > 1500 Kg/m3) of size 595 mm X 595 mm, conforming IS 14862 & Type A Category IV of ISO 8336, tested as per AS-1530 part 3 & BS-476 Part 4,5,6,7 & 8, should be placed in the Grid module to form a False Ceiling. All complete as per the drawing & directions of Engineer-in-charge. In ground floor.a) False Ceiling (with 4mm thick Pearl Designer Fibre Cement Board and E-Grid T-2430/1510 a) False Ceiling (with 4mm thick Pearl Designer Fibre Cement Board and E-Grid T-2430/1510

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