SPECIAL REPAIRS TO BUILDINGS OF MAP ACCN AT MORAR CANTT UNDER GE GWALIOR

Taking down of old roof treatment of any description including mud phushka, concrete padding, tiles, cement plaster, old APP from roof surfaces etc including cleaning, brushing and watering to joints and grooves and throwing the same outside of the MOD complete all as specified and directed.

M&L for repair of all visible hairline cracks on concrete roof / screed more than 0.50 mm thick and not giving hollow sound, should be cut and widen in V shape with mechanical cutter in the size (10mm W x 6mm D). Fill cracks with PU sealant / Hybrid Sealant with suitable gun and smoothed with a putty knife or trowel. Allow sealant to cure a minimum (72 Hrs.) 3 days etc complete all as specified & directed.

M&L for Plain cement concrete 1:2:4 type B0 (using 12.5mm graded aggregate) for grading of roof for water treatment complete all as specified and as directed.

M&L for applying damp proof of approved make, a fibre reinforced elastomeric liquid water proofing membrane formulated with reinforcing acrylic fibers having Sun Reflectivity Index (SRI) of 105 on horizontal/vertical surfaces of roof/wall/chajjas in multiple coats @10.76 litre/ 10 sqm. Primary coat is self-priming coat of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1, damp proof: water) and other coats to be applied undiluted. (ii) The undiluted 2nd & 3rd coatings needs to be reinforced with 40 GSM geotextile to be sandwiched between them. (iii) After that final 4th coating shall be applied. The application shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete all as specified and as directed. Notes:- (a) The work shall be executed through authorised applicator of manufacturer only, (b) Authrised Applicator shall be approved by GE before starting of work. (c) All materials shall be procured directly form manufacturer. (d) The contractor shall furnish a written guarantee for the effectiveness of the water proofing treatment for a period of Eight years in favour of GE.

Supply and fixing Heat Resistant Terrace Tiles (300 mm x 300 mm x 20 mm) with SRI (solar refractive index) > 78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and sloped surface of terrace, laid on 20 mm thick cement sand mortar in the ratio of 1:4 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 upto 150 mm height along the parapet walls in the same manner all as specified and as directed by engr-in-charge.

M&L the non shrink high mechanical strength properties epoxy based mortar @ 5kg/RM on all corner joints of wall to prevent the capillary formation from wall to roof area; by three component system comprising of base, hardener and quartz filler having ER Base and Hardener with Quartz filler etc complete all as specified & directed.

M&L for applying bonding agent for bonding old to new concrete surface likes chajja/ beam/ceiling/facia etc by high performance modified Styene- Butadiene Rubber (SSR) base binder. Applying of binder is as 10 Sqm/ per lits etc complete all as specified & directed.

M&L for applying 25 mm thick (average) repair mortar ready to use single component polymer modified repair mortar for repair of RCC members likes beams, columns, chajja and facia/ ceiling, mortar having good compressive strength and shrikage resistance etc complete all as specified & directed.

Taking down cement or cement lime plaster on brick or stone walls etc including racking out joints, hacking for keys, scrubbing down with water etc including disposal of debris/wastage to out side of MoD land complete all as specified and directed.

M&L for rendering 5 mm thick in cement plaster in CM 1:3 (1 cement : 3 Fine sand) on fair faces of concrete as in ceiling, finished even and smooth without using extra cement complete all as specified and directed.