SPECIAL REPAIRS REPLACEMENT OF AC ROOF SHEETS APP MEMBRANCE EXTERNAL PLUMBING SERVICES AND PLASTERING WORKS AT DEPOT COMPANY OF MRC WELLINGTON UNDER GE WELLINGTON

Taking down complete existing water proofing treatment of any description over roof slabs / parapets including bedding layer and roughening of surface etc., complete all as specified and directed.

Demlition of existing old padding concrete (unreinforced)of any thickness of existing water proofing treatment over the RCC slab other than beams, chajjas, staircase etc by chipping of with proper tools viz chiesel and with applying resobnable force so as to avoid any damages to existing RCC roof slab complete all as specifed and directed.

Taking down cement or cement lime plaster, any description on brick or stone walls or ceiling, etc.including raking out joints, hacking for key, scrubbing down with water, etc ,complete all as specified and as directed

Providing Plain cement concrete 1:2:4 type B0 using 12.5mm graded stone aggregate average thickness 40mm as in levelling / padding course on roof slab, projections on similar surfaces existing with slope making the surface even and smooth without using extra cement all as specified and directed.

Rendering 10mm thick fair faces of brick work or concrete surface in cement mortar 1:3 laid over the RCC roof slab, parapet wall when the concrete is green at any height and making the surface fair and even without using extra cement including using liquid integral water proofing compound as per manufacturer's instructions all as specified and directed. Note: Water proofing compound will be measured and paid separately.

APP modified prefabricated polymeric water proofing membrane mineral finish 4mm thick and weighing not less than 4.5 kg/sqm reinforced with non-woven polyester matt black finished weighing not less than 100 gm/sqm having softning point less than 140 degree celcius longitudinal tensile strength not less than 300N/sqcm, side lap 10cm with torch application of membrane over a coat of hot blown bitumen 85/25 grade @ 1.2 Kg/m² over compatible primer at 0.40 Ltr/sqm and finishing with aluminium paint at @ 0.10 kg/sqm finished on top complete all as specified and directed.

Supply only liquid water proofing compound all as specified and directed.

Plain cement concrete Type B1 1:2:4 using 20mm graded stone aggregate in roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and directed.

Plain cement concrete Type B-1, 1:2:4 using 20mm graded stone aggregate 100mm thick as in flooring, tank stagging complete fair finished even and smooth without using extra cement all as specified and directed.

Dismantling of asbestos cement corrugated, semicorrugated sheeting, any gauge and thickness in roof coverings including Nainital or similar pattern roof covering complete all as specified and as directed.