Special repair to damaged flooring with epoxy coating flooring in hangers Bldg No P-254, P- 255, T-601 to T-603, T-463 and T-590 under GE (West) JRC

Amount

M&L for cleaning the joints to remove all loose dust, dirt, oil & grease and the excessive laitance be removed by vaccum cleaning and filling dummy/contraction joint of size 10mm wide and 110mm deep from top by applying epoxy primer Nitoprime 25 and filling the joint in two part with epoxy resin primer Nitflor TF5000 of Fosroc or equivalent of Sika india Ltd, STP Ltd, Choksey chemicals Ltd, Thermax Ltd, BOSTIK India Pvt Ltd all as specified and directed. (Note :- Only joint filling work to be carried out in the existing joint cut in cement concrete floor).

M&L for applying 2 MM thick of Fosroc Nitoflor SL conductive topcoat of FOSROC or equivalent of Sika india Ltd, STP Ltd, Choksey chemicals Ltd, Thermax Ltd, BOSTIK India Pvt Ltd @ 7.5 Sqm per15 litre pack at 2mm thickness after mixing the base, hardener, colour paste and filler until a homogenous, lump free mix is obtained, applied over undercoat of Nitoflor SL conductive undercoat of FOSROC or equivalent of Sika india Ltd, STP Ltd, Choksey chemicals Ltd, Thermax Ltd, BOSTIK India Pvt Ltd @ 6.3-7.3 Sqm per litre over application of a primer Nitoprime-25 of FOSROC or equivalent of Sika india Ltd, STP Ltd, Choksey chemicals Ltd, Thermax Ltd, BOSTIK India Pvt Ltd @ 6 Sqm per litre incl preparation of surfaces and application of Epoxy coving by 75mm x 75mm to be done with Epoxy screed material Nitoflor TF 5000 of FOSROC or equivalent of Sika india Ltd, STP Ltd, Choksey chemicals Ltd, Thermax Ltd, BOSTIK India Pvt Ltd at the horizontal vertical joints.The copper strip shall be fixed to floor forming 3 x 3 m grid covering the entire area. The strip shall have a min width of 10mm and 0.08 mm thickness. When measured for surface resistance in accordance with BS 2050:1976 (A-1984) and DIN EN 1081, the static conductive topping incl under coat shall be in the range of 5 x10^4- 1 x 10^6 Ohms, When tested for static decay as per Federal Test Method 101B, method 4046, the static conductive topping shall take not more than a time of 0.01 seconds to decay with +5KV peak charge to 0%. The surface resistance of the conductive undercoat shall be in the range of 3 x 10^4 - 9 x 10^4 Ohms. The cured film should have compressive strength of 50 N/mm2 and a flexural strength of 34 N/mm2 , tensile strength 12 N/mm2 when tested as per BS6319 complete all as spd and directed. Notes :- 1. Cost of copper strip to connect earthing point for safe discharge of charges shall be deemed to be included in the quoted rates. 2. Flooring shall be carried out as per the manufacturers instructions and by the auth applicators of the manufacturers.

M&L for 200mm wide line marking with traffic guard line marking paint as TLMP as approved by GE, min two coats over the epoxy coating floor topping. The paint should be applied after 5 days of application of floor topping complete all as specified & directed by Enginner-in-Charge.

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