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Description

Special Repair To Leakage Crack In Over Head Tanks Of 02 03 And 18 Under Age B R-ii And Provision Of 12 Industrial Cooler Under Age Em Of Ge N Patiala At Patiala Mil Stn

Tendering Authority: Military Engineer Services

India, Punjab, Patiala

NTID

29351111

Last Date For Submission

29 Oct, 2022

Closing Date

29 Oct, 2022

BOQ Items Total Items : 22 | Total Qty : 19789
# Item Quantity Units
1 Surface preparation: Empty the water from water tank followed removing the old plasters to expose the bare concrete, the damaged concrete to be repaired with polymer modified cement-sand mortar with SBR Latex, filling all cracks with polymer modified mortar using SBR Latex. Cleaning and preparation of surface with the help of wire brush or grinder. Make : Dr Fixit/Sika/Fosroc or equivalent 1050.00 SQUARE METER
2 Grouting Pipe inserts: Wrapping all pipes inserts with a two way adhesion tape of make Dr. Fixit Bath seal tape and grouting the gaps space with non-shrink grout Dr. Fixit Pidigrout/ Sika/ Fosroc 10M or PMM prepared by polymer modified mortar with Dr. Fixit Pidicrete URP in the ratio of 1:3 by adding polymer 10% by weight of the cement. Make : Dr Fixit/Sika/Fosroc or equivalent 15.00 PER PIPE
3 Injection Treatment: Providing and fixing PVC grouting nozzles of 130mm length & 10mm outer dia, with a stopper at the outer end, shall be fixed on the concrete surface @ 1m C/C or at the particular location of water leakage, by drilling a hole of same dia and inserting up to a depth of 80mm. Cement paste mixed withDr. Fixit Instant leak Plug shall be used to fix and seal the sides of thenozzle. The Grout shall be prepared with mix of cement & Dr. Fixit Pidicrete AM/Sika/ Fosroc expansive grouting additive in W/C ratio not more than 0.45. The grouting shall be done under pressure of 3kg/cm2 using grouting pump. Make : Dr Fixit/Sika/Fosroc or equivalent 300.00 PER NOZZLE
4 Angel Fillet: All the old/broken joints needs to be removed and provided with 50mm X 50 mm angle fillets on the vertical up- stands, parapet wall junction corners, service units and properly dressed by preparing polymer modified mortar with Dr. Fixit Pidicrete URP/Sika/Fosroc in the ratio of 1:3 by adding polymer 10% by weight of the cement. Make : Dr Fixit/Sika/Fosroc or equivalent 30.00 RUNNING METER
5 Water proof Coating: Providing & Applying 2 coats of CFTRI approved, waterproof coating with high performance two component pre-packed cementitious waterproofing, Dr. Fixit Fastflex/Sika/Fosroc, with a mix ratio of (liquid: Powder), parts by wt. - 1:1.4 @ 0.42 0.50 Sq.mt / Kg to achieve 1mm DFT over the floor surface & wall surface upto full height, as per the manufacturer s specification. All the coats to be applied in right angle to each other with an interval of 4-6 Hrs, including propersurface preparation as per manufacturers' specification, cleaning work, removal of loose concrete and filling cracks with polymer modified mortar using SBR Latex, Dr.Fixit Pidicrete URP. Allthehoney combed areas & construction joints shall be identified and injected with cement slurry admixed with expansive additive, Dr. Fixit Pidicrete AM @ 225gms / bag of cement. Provide and lay 45 GSM glass fibre mesh over the angle fillet when the first coat in still wet. Sprinkle the quartz sand / fine sand over the final coat when it is still wet on the vertical wall surface for creating a firm keyfor plastering to ensure complete waterproofing. Allow the coating to air cure for 5 days before conducting water ponding test for 24 Hrs. The coating shall have Elongation at break > 120% as per ASTM D 412, Tensile strength > 1 N / mm2 as per ASTM D 412, Adhesion strength: 0.80 N/mm2 as per ASTM D 4541, crack bridging upto 2mm as per ASTM C 836, Water penetration (5 bar pressure):1%asperBSEN12390. Make : Dr Fixit/Sika/Fosroc or equivalent 1050.00 SQUARE METER
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