SPECIAL REPAIR TO BLDG NO P-39 (OR MD ACCN) AT VASANTH ENCLAVE UNDER GE (NORTH) BANGALORE

Taking down of existing Water Proofing treatment of any type i.e., APP Membrane, Cement or earthen tile, Mud phuska or lime concrete etc., including cement plaster of any thickness and removing bitumen coating / mud pushka dirts etc., upto appearance of original RCC roof slab by grinding, Picking, sweeping clean and washing down with water to remove dust to facilitate providing water proofing treatment including removing debris outside MoD land complete all as specified and as directed.

M&L for Plain cement concrete (1:2:4) type B-0 using 12.5mm graded crushed stone aggregate as in copings, parapets and railing upto 60cm height, levelling concrete for Roof slab, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating including demolition of any description and in any position not otherwise specifically provided for & removal of debrisoutside the MoD land complete all as specified and as directed.

M & L for Water proofing treatment over RCC roof slab with following specification complete all as specified and as directed :- (i) Removing all loose gravel, dirt, oil, grease and foreign materials by jet or dry air, cleaning the surfaces mechanically or by grinding to make the surface smooth (ii) Screed bed / rendering 10mm thick in CM (1:3) mixed with approved liquid water proofing compound as per manufacturers instructions (iii) Applying compatible oil bound bitumen primer @ 0.40 Kg/Sqm

(iv) Laying 3 mm thick APP modified water proofing membrane weighing not less than 3.8 kg/sqm reinforced with non woven polyester matt weighing not less than 150 gm /sqm having softening point not less than 140 centigrade, having tensile strength of 650N/sqm and 350 N/sqm in longitudinal and transverse directions respectively of the reinforced tearing strength of 180N by torch application with minimum 10cm side overlap and 15cm end lap. (iii) Applying solar reflective bituminious aluminium paint @ 0.10 Kg/Sqm. (iv) Pond test for 72 hours shall be carried out for dampness / leakage test.

Supply only liquid water proofing compound, ISI marked, complete all as specified and as directed.

Disconnecting existing PVC water tank of capacity exc 250 & not exc 500 litres including necessary connections, setting aside or lowering for repairs, cleaning, etc. and hoisting, reconnecting and re-fixing in position complete all as specified and as directed.

M& L for 500litres capcity retaional moulded, triple layer polythene water storage tank (cylidrical vertical with closed top) noisting and fixed in position on roofs including 20mm dia ball valve and fittings including dismantlig existing water storage tank complete all as specified and directed.

Supply & fixing 20 mm outer dia CPVC pipes SDR 11, Plain CPVC SDR 11 fittings on walls / ceiling or laying in floors including all fittings and specials including taking down 15 mm dia GI tubing and connections complete all as specified & as directed.

Supply & fixing 25 mm outer dia CPVC pipes SDR 11, Plain CPVC SDR 11 fittings on walls / ceiling or laying in floors including all fittings and specials including taking down 20 mm dia GI tubing and connections complete all as specified & as directed.

S&F in repairs 20mm dia CPVC gate valves, with lever , screwed both ends for iron pipe and fixed complete all as specified & as directed