REPAIR / MAINT OF OFFR MD ACCN AT NECKLACE AREA, COLONEL POINT, SCIENTIST HOSTEL AND GE OFFICE COMPLEX AT DRDO ESTATE UNDER GE(I) RnD PASHAN, PUNE

Material and Labour for disconnecting existing PVC water tanks, setting aside (or lowering if required) for repairs, cleaning and removing all scale and dirt etc from tanks and from mouths of circulating pipes etc and hoisting if required reconnecting and refixing in position capacity exceeding 250 ltrs and n exc 500 ltrs, Complete all as specified and directed by Engineer-in-Charge.

All as per Item No 01 here in before but of 1000 litres capacity Complete all as specified and directed.

Taking down existing roof treatment in any position with bitumenous felt including cement plaster of any thickness in roofs (other than ground floors), beams, chajjas, staircase etc and removing the rubbish to a distance exceeding250m and n. exc 500m deposited where directed Complete all as specified and directed by Engineer-in-Charge.

Dismantling of exisiting old padding concrete 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 reasonable force so as to avoid any damages to existing RCC roof slab, Complete all as specified and directed by Engineer-in-Charge.

Material and Labour for cement concrete 1:2:4 type B0 (using 12.5 mm graded stone aggregate) as in levelling / padding course on roof slab, chajjas, projections on similar surfaces existing with slope, kerbs, rounded or chamfered edges, making the surface even and smooth without using extra cement, including using liquid water proofing compound, Complete all as specified and directed by Engineer-in-Charge. Note: supply of Integral water proofing compound will measured and paid seperately.

Material and Labour for 10mm thick cement plaster in CM 1:4 over PCC (while concrete is green) using approved liquid water proofing compound complete all as specified and directed by Engineer-in-Charge. Note : Water proofing compound shall be measured and paid separately.

Supply only liquid integral water proofing compoud complete all as specified and directed.

Material and Labour for Applying a coat of hot blown bitumen 85/25 grade @1.2 Kg/Sqm over the old membrane and finally applying two coats of aluminium paint @ 0.10 ltrs/Sqm, Complete all as specified and directed by Engineer-in-Charge.

Material and Labour for 3mm thick APP pre-fabricated membrane with non woven polyester matt central core of 160 gsm (min) impregnated and coated on both sides with layer of APP modified bitumen and finished with micro-perforated heat fusible polythene film on both surfaces over 0.3 ltrs/Sqm bituminous primer confrming to IS-3384. The weight of APP membrane shall not be use than 3.0 Kg/Sqm and laid over primed surface by using LPG/Butane torch and apply uniform pressure with roller. The overlap of membrane shall be 100mm on sides and 150mm on end laps. Applying a coat of hot blown bitumen 85/25 grade @1.2 Kg/Sqm over the membrane and finally applying two coats of aluminium paint @ 0.10 ltrs/Sqm, Complete all as specified and directed by Engineer-in-Charge. Note: (i) The work shall be executed only through authorised applicator of manufacturer (ii) Contractor to submit guarantee of treatment for 10 Years.

Dismantling ceiling boards/AC/Fiber /pulp/insulation boards/slabs any thickness including cover fillets, Complete all as specified and directed by Engineer-in-Charge.