SPECIAL REPAIR FOR ROOF TREATMENT OF 56 AND 100 OTM OF 508 ABW AT CHHEOKI MIL STN

Dismantling of brick tiles laid bedded and pointed in any morter or brick tiles on roof, floors, channels, kerbs, aprons etc, cement concrete of any description and in any position not otherwise specifically provided for, complete all as specified and directed.

Struking of existing PCC/Cement floor surface 10 to 15mm deep picking, sweeping, clean and washing down with water to remove dust to receive cement mortar/PCC for flooring including removing old APP membrane with cement debris and rubbish off the premises complete all as specified and directed.

M&L for cutting grooves in brick wall/RCC wall 75mm wide and 40 to 60mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and directed.

M&L PCC 1:3:6 type B-1 (using 20mm graded stone aggregate) for providing cement concrete as levelling and roof kerbs or mud stops including finishing the surface with grinder to receive the acrylic based water proofing material, rounded or chamfered on edges etc complete all as specified and directed.

M&L for rendering or bedding layer 15mm thick in cement mortar (1:3) cover concrete surfaces of roof, mixed with WPC 2% wt of cement inclduing finishing surfaces even and fair without using extra cement complete all as specified and directed. Note : WPC will be measured and paid separately.

M&L for preparation of new surface and applying a coat of hot blown bitumen of grade 85/25 conforming to IS 702 over primed surface of roof slab @ 1.20 Kg/Sqm complete all as specified and directed.

M&L for APP based polymeric water proofing membrane minimum weight 3 Kg/Sqm and minimum 3mm thick reinforced with polyster non wove febrick (weight not less than 150 Grams/Sqm or as per IS), laid over hot bitumen surface by torched application with the strict supervision of manufacturers technical supervisor. Membrane shall be laid with 100mm side/end lap on prepared surface as per manufacturer instruction work shall be carried out strictly with the technical tradesmen and supervision of technical staff of manufacturer complete all as specified and directed.

Supply and fixing Heat Resistant Terrace Tiles (300mm x 300mm) 9 to 10mm thick with SRI (solar refractive index) > 78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and loped surface of terrace, laid on 20mm thick cement sand mortar in the ratio of 1:4 (1 cement : 4 oarse sand) and grouting the joints with mix of white cement & marble powder in ratio of 1:1, including rubbing and polishing of the surface upto 3 cuts complete, including providing skirting in the same manner complete all as specified and directed.

Supply only Integral Water Proofing Compound (WPC)

M&L for PCC (1:2:4) type B0 (using 12.5mm graded stone aggregate) as in roof kerbs, coping, chajja of window/ventilator or mud stops, rounded or chamfered on top of chajja & side edges of surfaces upto the height of 7.00 mtr etc complete all as specified and directed. Note : The rate is deemed to be inclusive of scaffolding/form work.