REPAIR/REPLACEMENT OF ROOF TREATMENT CHAJJAS PARAPET WALL TANK CLEANING AND REPAIRS OF ROOF SHEETS PERIODICAL SERVICES ETC TO CERTAIN BIDGS IN DOMESTIC/TECHNICAL AREA AT AF STN NARELA UNDER GE (AF) GURGAON

Demolition of roof treatment, any thickness including APP, roof tiles, screed bed or plastring and remove the rubish materials outside MOD land at a dumping place marked by any state govt/municipalities etc any distance complete all as specified and directed.

M&L providing, cement concrete (1:2:4) type B-0 (Using 12.50mm graded stone aggregate) as in roof padding, sub base of floor coping or roof kerbs on roof chamfered on edge rounded or chamfered on edges including trowelling slightly complete all as specified & as directed.

M&L for 15 mm thick plaster in cement mortar (1:4) mixed with water proofing compound on roof slabs finished even and smooth (without using extra cement) after cleaning of roof surfaces with wire brushes complete all as specified. Notes : WPC shall be measured and paid seperately.

Supply only intergral water proofing compound ISI Marked complete all as specified.

Applying evenly a tack coat of industrial bitumen 85/25 at the rate of 1.2 kg per sq.m including cleaning surfaces

M&L for water proofing treatment with minimum 3mm thick APP (Atactic Polypropylene) modified polymeric prefabricated five layer membrane over roof consisting of cleaning of concrete or plaster surface of roof & parapet walls and applying evenly a bitumen primer laid using buten torch and sealing all joints of APP modified polymeric water proofing membrane minimum weight 3.6 kg/sqm reinforced with non woven polyester fabric (weight not less than 160 grams per sqm) unrolled and bonded to substrata with logitudinal and end laps 100 mm and 150 mm respectively as per manufacturer's instructions including aluminium paint on top surface complete all as specified.

M&L for Cement concrete tiles 25cm x 25cm x 22 mm thick, machine pressed; set jointed and pointed in neat cement slurry in floors, and cut and polished, set with grey cement and pigments over 15mm thick cement screed bed in cement mortar 1:4 complete all as specified and directed.

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition ) of any description in any position not specifically provided complete complete all as specified.

M&L for providing reinforced cement concrete (1:2:4) type B1 (using 20mm graded crushed stone aggregate) as in slab/chajjas and the like complete all as specified.

M&L for Mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required including cranking, bending for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips etc complete all as specified.