SPL REPAIR TO ROOF TREATMENT AT BLDG NO P/138, P/142, P/145, P/146, P/147, P/148 , P/149 AT BATRA ENCLAVE AT PMS

Taking down existing roof felt including plaster of any description carefully from existing roof /parapet without disturbing wall surface and removing the same at a distance exc 1.5 Km complete all as specified and as directed. including rwashing down with water to remove dust, foreign items and removal of the rubbish off the station complete all as specified and directed.

M&L PCC(1:2:4) type B-0 (using 12.5mm graded aggregate) as in roof kerbs or mud stop rounded complete all as spd and directed.

M&L for 40 mm thick average PCC 1:2:4 type B-0 (12.5 mm graded aggregate) as in padding concrete on roof all as directed by Engineer- in-Charge.

M&L for rendering 10mm thick on fair faces on roof surfaces of concrete in Cement Mortar 1:3 mixing with WPCasper manufacturers instruction finished even and smooth without using extra cement complete all as specified and directed. (Note :- WPC will measuered and paid separatly under relevant item of schedule.)

Supply only liquid Water proofing compound. complete all as specified and directed.

M&L for Water Proofing treatment a) Surface Preparation - Mild Chipping of the surface, b) Providing and applying Nano Water Base Water Proof compound one coats after surface preparation using brush, not containing toxic materials like Pb, Cr, Zn; having defect-free nano-particles with inhibiting characteristics having bacteria killing rate above 98% and anti-fungal properties, with super-hydrophobic properties with contact angle of water more than 75degree , permeable type with elongation (stretch ability) of more than 300%, in a nano-structured self assembled dispersion system with VOC level of less than 1% , 60 micron DFT. c) Applytwo coat Nano carbon fiber based Nano Bond coat (base4: hardner 1) ratio d) Providing and applying Nano Barrier Coat Paint/ Nano Water Base Water Proof Paints 2 coats over screed concrete using brush, not containing toxic materials like Pb, Cr, Zn; having defect-free nano-particles with inhibiting characteristics having bacteria killing and anti-fungal properties, with super-hydrophobic properties with contact angle of water more than 750 , with elongation (stretch ability) of more than 300%, in a nano-structured self assembled dispersion system with VOC level of less than 1% , 60 micron DFT per coat. complete all as specified and directed.

Taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc complete all as directed.

M&L for Rendering 15 mm thick cement plaster in CM 1:4 on fair faces of brick/concrete surfaces finished fair and even, mixed wth water proofing compound admixture (if directed) as per manufacturer's instruction, complete all as specified and directed. Note :- WPC will measuered and paid separatly under relevant item of schedule.

Material & Labour for applying Two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over old surfaces.

Taking down steel tubing having bore of pipe 20 mm and connections, including cleaning for refixing or removal to store complete all as specified and directed.