Directorate Of Municipal Administration Tender

Vol-2 Item Code :15.18 P. No: 153 - Providing and grouting with single component Polyurethane Foam injection grout at dripping leakage locations grout mixed at ratio of 10:1 10 parts of Resin: 1 part accelerator) at the rate of 0.40kg nozzle which will foam after reaction with water moisture cream time 20 seconds rise time 30 seconds foam expansion more than 30 times. It has a mixed viscosity of 350 P as per ASTM D 2196 Allow the PU foam grout to cure for 5 10 mins Providing and grouting with two component Polyurethane based nonfoam injection grout mixed at ratio of 2 1 2 parts of Base 1 part Hardener which will injected through same nozzle at the rate of 0.30kg nozzel which gives Adhesion strength 2.5 MPa, Adhesion in wet concrete 1.5MPa Elongation 80 It has a mixed viscosity of 350 cP as per ASTM D 2196. The finished cost to include surface preparation fixing of non-return valve injection packers at dripping leakage locations and damp patch locations, seal the nozzles with polyester resin anchor grout Instant leak plug 0.2kg/nozzle. All the application procedure shall be as per the direction of the Engineer In charge Treating Active leakage from Concrete walls

Vol-2 Item Code: 15.21 P. No:154 - Providing and laying water proofing treatment to the Rafts, Below grade slab, Lift pits, water retaining structures with fully bonded 1.5 mm thick HDPE waterproofing pressure sensitive adhesive membrane over PCC before laying raft concrete having higher puncture resistance of 1000N as per ASTM E 154, confirming to BS 8102 IS 16471:2017, requirements of UG waterproofing structures. Laying adjacent sheets by keeping overlap of 75mm, end overlaps to be treated using double sided tape. The membrane shall have Tensile strength 25 Mpa as per ASTM D 412, Elongation 500 as per ASTM D 412, Hydrostatic head resistance 70m head of water as per ASTM D 5385, Low Temperature Flexibility 25 deg C, Peel Adhesion to Concrete 880 N/m as per ASTM D 903 Modified, UV Exposure 45 Days. The finished cost including surface preparation completely as per specification. Underground structures waterproofing with HDPE membrane

Vol-2 Item Code: 15.23 P No: 155 - Providing & Applying Crystalline waterproofing slurry coat RCC structure like Retaining wall, Underground tank. The material having chemical resistance properties, seals shrinkage cracks up to 0.4 mm width, capable of preventing water dampness & seepages, Water permeability is Nil confirms to BS EN 12390 Part 8: 2000. Powder to water mixed at a ratio (5:2) 5 parts powder and 2 parts water, applied @ 1.5kg/m2 in 2 coats to achieve 1.0mm DFT on a cleaned surface free from all loose materials etc., complete. The finished cost to include surface preparation completely as per specification. Water Proofing Systems. Retaining Wall (Inside) / OHT / UG Sump Tanks