SPL REPAIR OF FOUR SINGLE OFFRS ACCN (BLDG. NO P-103) IN OFFRS MESS COMPLEX UNDER GE (NORTH) BATHINDA AT BATHINDA MIL STN

Dismantling of brick tiles or terracing tiles single layer on roof & disposal of retrieved material upto a distance n.exc 500m where directed, completet all as specified and as directed.

Dismantling of mud roofing of any thickness, including plastering and leeping (whether full thickness removed or only part thereof), and disposal of dismantled material/rubbish to a distance not exceeding 500 m, complete as specified and as directed.

Water proofing treatment to existing roof/terrace using sika coolcoat /or equivalent Single component, acrylic based, flexible, micro fibre reinforced waterproofing and heat reflective coating system. the treatment shall be carried out as per the manufacturers instructions and shall include. (a) Preparation of substrate and cleaning it off all loose and triable by mechanical means (b) Open the cracks lines to form , V grooves with cutter/hammer/chisel up to 5-10mm and filling with crack filler and PU sealant. (c) application of primer coat @ 0.2 to 0.3 kg/ sqm followed by the first coat @ 0.75kg/ Sqm. (d) The second coat shall be applied @ 0.75 kg / Sqm and reinforced with fabric re-inforcement between the first and second coat. (e) The top coat of primer shall be applied after the second coat dries off @ 0.05-0.08 Kg per Sqm. (f) The material shall adhere to following specification. TECHNICAL SPECIFICATION OF MATERIAL Tensile Strength 1.5 MPa ASTM D412 Elongation at Break > 200% ASTM D412 Adhesion in Peel > 1.5 MPa (on concrete substrate) EN 1542 Crack Bridging Ability Passes upto 3.2mm Width ASTM C1305 Permeability to Water Vapour Passes IS 2645 Water Vapour Transimission ~ 23 g/m²/24hr ASTM E96 Water Absorption < 10% ( by Mass) ASTM D570 Microbiological Resistance No Algae & Fungal Growth ASTM D5590 Solar Reflectance Index 102 ASTM E1980. Note : Complete material shall be procured in bulk and kept in lock and key. Note : The installation company should be trained and authorized by Manufacturer & installation to be carried out as per manufacturers approved method statement. All auxiliary & accessories involved during application should be supplied by single manufacturer as a part of system. Any component used which is not manufactured by the particular manufacturer can only be used with official approval from manufacturer

Providing and laying Plain Cement Concrete (PCC) 1:2:4, Type B0, using 12.5 mm graded stone aggregate in roof kerbs (golla), mud stops, sides of roof sheets and similar locations, including forming rounded or chamfered edges, necessary centering, shuttering/formwork, finishing, curing and all labour, materials and incidentals complete as specified and directed by the Engineer-in-Charge.

Material and Labour for 15 mm thick cement rendering/plaster in CM 1:4 on roof surfaces, parapets, vertical beam surfaces and other horizontal or vertical surfaces, finished even and smooth, using only coarse sand (Toka Sand), including surface preparation, scaffolding, curing and all incidental works complete as specified and directed by the Engineer-in-Charge.

Making benching (gola/fillet) in PCC (1:2:4), Type B0, using 12.5 mm graded stone aggregate and incorporating waterproofing compound (WPC) as per manufacturer's instructions, along junctions of roof and adjoining walls in concave shape, including mixing, laying, finishing, curing and all labour and materials complete as specified and directed by the Engineer-in-Charge. (Note: WPC shall be measured and paid separately.)

Supply only liquid integral waterproofing compound conforming to relevant specifications, for use in cement concrete, mortar, plaster and allied works, complete as specified and directed by the Engineer-in-Charge.

Demolition of brick work or stone/boulder masonry built in cement mortar or cement lime mortar, including quoins, arches, pillars, etc. in any description. The work includes careful dismantling, stacking of serviceable bricks for reuse, and disposal of unserviceable materials/rubbish outside the site as directed by Engineer-in-Charge, complete all as specified and directed.

Brickwork with sub class ‘B’ old size burnt clay bricks, straight or curved on plan exceeding 6 metre mean radius, built in cement mortar (1:6), including scaffolding, soaking of bricks, raking out joints, curing, and all materials, labour, tools and plants complete all as specified and directed by Engineer-in-Charge.

Brick work in half brick thick wall using sub class ‘B’ old size burnt clay bricks, straight or curved on plan to any radius, built in cement mortar (1:4), including scaffolding, soaking of bricks, proper bonding, raking out joints where required, curing, and all materials, labour, tools & plants complete all as specified and directed by Engineer-in-Charge.