OPF/TE/EO (CW)/IR/17/ 2025-26

Taking down cement plaster/old pading including existing old water proofing treatment any type on roof CC surfaces including raking out joints hacking for key scrubbing down with water etc as directed.

M&L Brushing neat cement slurry with 3.0 kg of cement per Sq. mtr.

S&F Chicken wire netting mesh of galvanised steel wire 0.91 mm dia 12 mm size fixed with tinned tacks of wire staples.

M&L for 50 mm thicki PCC (1:2:4) type B2 using 40 mm graded stone aggregate.

M&L for Rendering 15 mm thick on fair faces of brick work or concrete surfaces with CM (1:4) as directed by EIC/SIC. Note :- Water proofing compound will be measured and paid separately.

M&L for PCC (1:2:4) type B0 using 12.5 mm graded stone aggregate as in roof padding and the like fair finished, roof kerbs all as specified and directed by EIC/SIC.

Supply only water proofing compound.

M&L for Cutting grooves in brick walls/existing roof, 75 mm wide and 65 mm deep and shaping horizontal face of groove with cement mortar (1:3) as directed by EIC/SIC.

Removing excavated material (Rubbish/rocks) beyond 500 mtr and upto total distance of 1.50 KM and depositing where directed including loading, unloading and stacking at the destination.

M&L for Bitumastic gola with 80/25 bitumen and coarse sand mixture. 1:3 by weight, 8cmx8cm at the junction of roofing to vertical surfaces

Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 course sand : 4 graded stone aggregate of 20 mm nominal size) over PVC sheet 1m x 1m x 400 micron, finished with 12 mm cement plaster !;£ (1 Cement : 3 Course sand) and a coat of neat cement , rounding the edges and making and finishing the outlet complete.

M&L FOR WATER PROOFING TREATMENT :- (i) Preparation of the surfaces of the roof by cleaning with wire brush, removing old treatment, if any. (ii) Brooming with Broom and finally sweeping with gunny bag. (iii) Filling the thin grooves with hot bitumen and allowing them to dry. (iv) Appmying a coat of hot bitumen of grade 85/25 @ 1.20 kg/Sq.mtr over the area even and smooth. (v) Unrolling the roll of Polymeric water proofing membrane over the coated surface and press smoothly to bond completely with the surface and no air bubble should be left under the membrane. The lap should not be less than 10 cm both horizontaly and vertically. The lap will not be measured separately. (vi) Lap should be sealed with flame and blown bnitumen thereafter. (vii) Applying the IInd layter of the hot bitumen of grade 85/25 @1.20 kg/Sq.mtr even and smooth on the polymeric membrane. (viii) Removing the debris off the campus. (ix) SPECIFICATION OF THE POLYMERIC MEMBRANE (a) The center core of the membrane should be 90 micron, with high modecular/high densityh polythelene film provided both side with SBS/APP polymer modified bitumen with properties of high softening point. (b) Top layer and botgtom layer - Therofusible high molecular/high density polythelene film. (c) Elengation - More than 300%. (d) Weight - 3.00 Kg/Sqm. (e) Thickness - 3 mm. (f) Make - Texsa India Ltd/IWL India Ltd/STP Ltd. (g) Softening point - More than 120 degree centigrade. (h) Should not break at Minus 15 Degree centigrade (ie - 15 C). (j) Should not drip at 100 Degree centigrade. (k) Applying a coat bituminous base aluminium paint over water proofing membrane. (l) The firm will ensure that no seepage occurs from the area on which water proofing has been done as per specification above. (m) The firm will provide a guarantee for 7 years from the date of completion.

Demolition of unreinforced Cement concrete in any position of any description.

M&L for 100 mm thick PCC (1:2:4) Type B2 using 40 mm graded stone aggregate including necessary form works complete all as directed/approved by EIC/SIC.

Material & labour for Chequered cement concrete tiles 20cm x 20cm x 25mm thick or 30cm x 30cm x 25 mm thick in floors, set, jointed and pointed in neat cement slurry with using grey pigment cement and pigments laid over 25mm thick Screed bed/bedding layer in cm (1:6) complete all as directed/approved by EIC/SIC.

Material & labour for providing and fixing stainless steel (Grade 304) Railing or similar work made of hollow tubes, channels, plate etc including welding, grinding, buffing, polishing and making curvature (where ever required) and fitting the same with necessary stainless steel nuts and bolts complete including fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc of required size on the top of floors or the side of waist slab with suitable arrangements.

Material and labour for preparation of old surfaces & apply two coats of Oil Bound distemper as directed by EIC/SIC.

Material and labour for applying two coats of Cement Base Paints with preparation of old surfaces on walls as directed by EIC/SIC.

Material and labour for two coats of synthetic enamel paint on steel surfaces over a coat of red oxide primer of any description , over 10 cm in width or girth, not otherwide described, including preparation of new/old surfaces /previously untreated surfaces and applying one priming paint plaster coat of any description complete all as directed by EIC/SIC.

Material and labour for preparation of walls surfaces and applying one coat of primer paints on walls complete all as directed by EIC/SIC.

Material and labour for applying two coats of Exterior Plastic Emulsion paints on walls or concrete surfaces upto height of 15 mtr above including all necessary T&P/Scaffoldings complete all as directed by EIC/SIC.

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