CA NO. GE AF NO.1 / GUR-75 / 2026-27 ROOF TREATMENT TO CERTAIN BUILDINGS IN ADM AREA AT 54 ASP UNDER GE (AF) GURGAON NO. 01

M&L for removing existing roof treatment and preparing surface to be entire satisfaction of Engineer-in-charge/GE Including demolition of PCC Padding , cleaning of all foreign material such as grass roots dust etc and roughening the concrete surfsce by wire brushes and washing down to remove dust etc flushing at junction of parapets complete and removing the same out of Premises.

M&L for rendering 10mm thick on fair face of brick and concrete surface in 1:3 mixed with WPC finished and smooth without using extra cement all as specified. Note: Water proofing compound shall be issued from the store by the Engineer-in-Charge.

M&L for 50mm thick (avg) ,Cement concrete type -C-1, 1:3:6 (20mm graded aggregate) as in pedding of floors/roof surface finished even and smooth surface without using extra cement complete all as specified and as directed.

M&L for cleaning all the dust and loose material by brush/blower/Grinder including removing of vegetation/plantation from the surface. M&L for preparation of roof top surfaces, providing and applying single component elastic cold applied polyurethane modified acrylic roofing system, co elastic technology (CET) based on modified polyurethane and fully fibre reinforced, having Sun Reflectivity index (SR) of 109 on top of concrete roof surfaces. All cracks up to 3 mm at corner joints, channel and parapets should be treated with crack seal. Applying three coats including one coat of primer of ShaliUrethane BTD/ Sikalastic 560/ smart care damp proof-ultra having coverage @ min 0.75kg/m2 and dilution up to 10% and laying reinforced fiber net and applying two coats (without dilution) of shaliUrethane BTD/Sikalastic 560/smart care damp proof ultra @ total consumption 2 kg/m2 in two coats for maintaining minimum dry film thickness 1.5mm and elongation at break of free film of approx 350%. The materials shall be applied with brush or roller, complete in all respect as per the direction of Engineer-in-charge/Consultant (Note :6 Hrs interval between two coat will be maintained). All auxiliary and accessories involved during application should be supplied by single manufacturer as a part of system. Note:- Application of water proofing treatment will be done by Authorised Applicator only.

M & L PCC type B O 1:2:4 using 12.5 mm stone aggregate as in coping Providing, cement concrete in roof kerbs or mud stops, rounded or chamfered on edges in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands,plinth courses, string courses,lacing courses, parapets and railings upto 60 cm in height,copings, kneelers, apex stones,bed plates, kerbs not provided complete all as specified and as directed.

M&L for cutting out cracks to V-section in existing roofs or terracing, cleaning out and filling solidly with a hot mixture of bitumen and clean dry sand 1:1 (by weight complete all as specified and as directed.

M&L rendering 5mm thick on other than fair faces of concrete Surfaces (on rcc surfaces such as soffit of slabs and chhajjas beams, columns) in cement mortar 1:3 finished even and smooth.

M&L for preparation of newly plastered surface of ceilings and apply three coats of white wash, complete all as specified and as directed.

M&L for 15mm thick plaster on fair faces of brick work or concrete surface in cm (1:4) with wpc @3% by weight face of conc work to wall surface and the surface is finished even and smooth without using extra cement. Note:- Water proofing compound shall be issued from the store by the Engr-in-charge.