GE(S)BTD 36 OF 2026-27 ROOF TREATMENT INCLUDING RELATED BR WORKS IN AOR UNDER AGE BR I OF GE(S) 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 100m where directed, complete all as specified and directed by Engineer-in- charge.

Dismantling of Mud in roofs, any thickness, including plastering and leeping (whether full thickness removed or only a part thereof disposal off rubbish upto a distance not exceedomg 500.00mtr where directed ) complete all as specified and directed by Engineer-in- charge.

Water proofing tratment 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

M&L for 40mm average thick PCC padding in 1:2:4 (20mm graded stone aggregate) in roof slab finishing the surface even and fair using water proofing compound complete all as specified and directed. (Water proofing compound shall be measuredand paid separetly)

M&L rendering in CM 1:4 of 15 mm thick as on roof surfaces parapet or verticle beam surface (horizontal or vertical) of finish even and smooth. Note - Using only course sand (Toka sand) in screed bed/Plastering.

Making benching with PCC (1:2:4) type B0 using WPC as per manufacturer's instruction along side wall adjoining to roof in concave shape complete all as specified and directed. Note : WPC shall be measured and paid separately.

Supply only Liquid water proofing compound

Disconnecting existing tanks,any type setting aside (or lowering if required) for repairs and hoisting if required reconnecting and re-fixing in position and cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc

Dismantling water tanks and removing to store complete all as specified and directed

Supply and fixing in repair three layers 500 litre HDPE water storage tanks polyproof. white in colour rotational moulded polyethylene (cylindrical vertical with closed top) hoisted and fixed in position including Supply and fixing of suitable size inlet/outlet arrangement & other accessories complete all as specified and directed.