Water proofing of the lower tier gallery toilet block and common toilets at first floor at all sectors and Leakage arresting of godown spaces at commercial areas and waterproofing of horizontal expansion joints at 110level terrace portion

Amount

Waterproofing

od372976/2022_2023 : Supply and application of two part polysulphide sealant Thioflex600 or eqivalent to the expansion joint after removing the existing sealant, cleaning the expansion joint, applying a priming coat and filling the joints with filler board and backup rod, supply and application of a Hypalon membrane system having a minimum tensile strength of 7 Mpa and elongation of 400%, applying mixed Nitomortar FCFS or eqivalent using a serrated spreader and fix expoband or equivalent one roll firmly to displace trapped air and to ensure extrusion of Nitomortar FCFS or eqivalent through the edge perforations, applying a second layer of Nitomortar FCFS or eqivalent to the full width of the top surface of membrane, so that the membrane will be sandwiched between two layers of adhesives complete in all respect as per the direction of engineer in charge.

od381165/2022_2023 : Engaging labour for removing the existing aluminium sheet covering from the top of expansion joint and refixing the same after the water proofing works of expansion joint.

od373173/2022_2023 : Cleaning and removing the existing tile joint filler properly and Grouting the joints of flooring tiles having joints of 3 mm width, using epoxy grout mix 0.70 kg of organic coated filler of desired shade (0.10 kg of hardener and 0.20 kg of resin per kg). including filling /grouting and finishing complete as per direction of Engineer-in-charge.<br>Size of Tile 300x300 mm

12.7.2 : Providing and fixing 15cm wide, 45 cm overall semi circular plain G.S. sheet gutter with iron brackets 40x3 mm size, bolts, nuts and washers etc., including making necessary connections with rain water pipes complete.0.63 mm thick with zinc coating not less than 275 gm/ m2

12.14 : Providing flat iron brackets 50x3 mm size with necessary bolts, nuts and washers etc. for fixing asbestos cement / G.S. sheet gutters with purlins.

od380470/2022_2023 : Providing and fixing of 150 cm overall width plain G.S. Sheet fixed with polymer coated J or L hooks, bolts and nuts, G.I. limpet and bitumen washer complete, bent to shape and fixed in beam or slab <br>1.00 mm thick with zinc coating not less than 275 gm/ m2

22.14.1 : Grading roof for water proofing treatment with:Cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

od380522/2022_2023 : Providing and laying water proofing treatment on construction joints by applying cement slurry mixed with water proofing cement compound consisting of applying : a) after surface preparation, first layer of slurry of cement @ 0.488 kg/ sqm mixed with water proofing cement compound @ 0.253 kg/ sqm. laying second layer of fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/ sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours.

od380865/2022_2023 : Engaging labour for petty repair-coolie

R. Sajikumar

Bidder Name

R. Sajikumar

MAZID HUSSAIN