Tender For Civil Repair Works At Guest House Terrace In Niot Campus, chennai-Tamil Nadu

Tender For Civil Repair Works At Guest House Terrace In Niot Campus; 1 Demolishing lime concrete manually/ by mechanical means and disposal ofmaterial within 50 metres lead as per direction of Engineer in-charge. Note: Demolishing of damaged existing weathering couse tiles of 25 mm thick (appox) with base mortor of thickness 25mm and removing the existing weathering couse of thickness 25mmthick (appox). Hence, total depth of demolishing considered as above mensioned work. Before quoting price contactor must visit the Terrace condition of Guest House. 2 Providing and laying damp-proof course 40mm thick with cementconcrete 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from naturalsources : 4 graded stone aggregate 12.5mm nominal size derived fromnatural sources) 3 Providing and applying two coats of Dr.FIXIT Pidifin 2K ( Power + Liquid only )complete as instructed by Engineer in charge.Methodology of application: Primer coata)Surface shall be celaned thoroughly with wire brush and light chisels for making the surface free. b)When the entire surface is clean,dry and moisture free, applied 1st coat over the surface Horizontal direction and 2nd coat applied over the surface Vertical direction the time gape in between 1st and 2nd coat minium 5 to 8 hours.c)After primer coat area 12 mm thick plaster with 1:4 cement motoar ratioto add Dr.FIXIT URP (Liquid for 500ml for 50 kg cement bag ) after completed wall plastering work one day curingif any should be rectified as directed by Enginner in charge.Approved Make:1.Water proofing material : Dr fix it2. Cement :Ultratech /Chettinad/Ramco 4 Providing and laying pressed clay tiles (as per approved pattern 20mm nominal thickness and of approved size) on roofs jointed with cement mortar 1:4(1 cement :4 coarse sand) mixed with 2% integral water proofing compound laid over a bed of 20 mm thick cement mortar 1:4 (1 cement:4 coarse sand) and finished neat complete. 5 Water proofing the terrace with Asian Smart care PU Magnum Single component:Surface shall be cleaned throughly with wire brush or means of grinding/Scrubbing/jet washingfor removal of all unwanted things likedust, dirt and foreign materials etc..Following by supplying and applying of Asian Smart care Epoxy primer 1 coat on Existing surface. After primer Apply 1stcoat of Asian smart Care PU Magnum single component on Roofing tiles surface(aboveRcc roof) which has property of UV Resistance and excellent bonding strength and complete drying at a thickness of 500-600 microns in first coat.Apply 2nd coat (Perpendicular to 1st coat) of Asian smart Care PU Magnum single component on Roofing tiles surface(aboveRcc roof) at a thickness of 500-600 microns in secondcoat andit must be appiled at an interval of 12hours from first coat. This treatment shall be left as it is for at least 72hours during which it will, air cure all complete etc., as per instruction of Engineer in charge. 6 OUTER WALL RAIN COAT SELECT:Providing & Applying First of Basecoat on Raincoat WPC as Second and third coat of Dr. Fixit Raincoat Select – single component UV stable Top coat in approved shade for exterior coating comprised of high quality acrylic emulsion polymer, l,ight fast & weather durable pigments, properly selected & graded fine fillers, additives & biocides. The material shall be applied un-diluted in right angle to Universal Basecoat layer and DFT of 190 microns, as per manufacturers recommendation, etc, complete. The product shall have Elongation > 100% as per ASTM D 412, Tensile strength : 2.5 Mpa as per ASTM D 412, Water Resistance conforming to SS 500, Crack bridging ability conforming to Class A4 as per EN 1062 Part 7, Positive hydrostatic pressure > 7 bar as per DIN 1048, Anti-carbonation property complying EN 1062 Part 6, RCPT conforming to ASTM C 1202. Note: The colour shall be approved by the Engineer-in-charge Warranty of 2years should be provided by contracterfor water proofing work asprescribedperforma by Niot.Note:- Materials for Scaffolding arranged by NIOT.Rate is inclusive of labour charges for Materials handling to site from appropriate location and The Contractor must arrange for all necessary safety equipment including safety shoes, helmets, harnesses, jackets, safety rope with proper arrangement, all complete as per instruction of Engineer in Charge. 7 Demolishing brick work manually/ by mechanical means includingstacking of serviceable material and disposal of unserviceable materialwithin 50 metres lead as per direction of Engineer-in-charge. In cement mortar 8 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand) 9 15mm Cement plaster on the rough side of single or half brick wall of mix:1:4 ( 1 cement : 6 fine sand).

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	08-07-2025	Extension of tender due date	Date	15-07-2025

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