WATERPROOFING TREATMENT OF VARIOUS PORTION IN PUNJAB AND HARYANA HIGH COURT UNDER C-9, SUB DIVISION, CHANDIGARH (CH. TO S/R OF PUNJAB AND HARYANA HIGH COURT BUIDING -2059 (NON PLAN PUBLIC WORK).

Providing and applying water proofing treatment, after thoroughly cleaning the surface with wire brushes or other suitable material, thereby removing all the loose concrete, dirt, etc. After cleaning, first coat of primer shall be provided with equal mixing of Dr. Fixit URP or equivalent product with same quantity of cement. There after open fibermesh-150, size 2.5mm x 2.5mm, micro-reinforcement system for concrete made from 100% virgin polypropylene monofilament fibers shall be laid on the wet primer including overlapping of mesh as per manufacturers specifications, mesh shall be designed to control plastic shrinkage and settlement cracking. Thereafter 2 coats of acrylic polymer modified cementations coating of Dr. Fixit fast flex or equivalent product shall be provided. The material shall have properties like elongation at break 120% and 5 bar resistance to positive water pressure, adhesive strength ASTM D7234-0.8N/MM2, water vapour transmission as per ASTME96 of 0.7 perms and cracks bridging ability as per EN 1062-7 upto 2 mm. It shall be applied @0.42-0.50 Kg/Sqm in form of slurry. The work shall be got executed from authorised applicator of the company whose material is being used. There shall be span of 6-8 hours between 1st & 2nd coat, 2nd coat shall be laid perpendicular to 1st Coat. Coarse sand shall be sprinkled while the second coat is still wet. The application of material shall be air cured for 5 days and then ponding test shall be done, complete in all respect to the entire satisfaction of Engineer in Change. NS

Providing and applying two or more coat of water repellent on the existing surface for providing effective water repellence. The material shall be ready to use like FOSROC Nitocote SN 522 or equivalent. The product shall be colourless and under no circumstance shall change the colour of the surface, as such product shall be applied after conducting trials on different surfaces. The product shall be silicon based water repellent and shall comply to BS 6744-92 class A. The surface shall be cleaned with broghs before application of water repellent for optinal bonding and the material should be apply @ 1 ltr/7 sqm per litre with paint brush only including charges of ladders or scaffolding or crane upto 25 meter height complete in all respects and to the entire satisfaction of the Engineer in charge. NS.

Regrading terracing of mud phaska covered with tiles or brick, in cement mortar by dismantling tiles or bricks, removing mud plaster, preparing the surface of mud phaska to proper slope, relaying mud plaster gobri leaping and tiles or bricks, grouted in cement mortar 1:3 (1 cement : 3 fine sand), including replacing unserviceable tiles or bricks with new ones and disposal of unserviceable material to the dumping ground (the cost of the new tiles or brick excluded), all complete as per direction of Engineer-in- Charge. DSR 14.13

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. DSR 15.56

12 mm cement plaster of mix: 1:4(1 cement: 4 fine sand) DSR 13.1.1)

Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : In 75x75 mm deep chase DSR 12.21.1

Providing and fixing 100 mm diameter and 60 cm long rain water spout in cement mortar 1:4 (1 cement: 4 fine sand). Stone ware spout DSR 12.37.1

Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete. DSR 12.22

Supply of common burnt clay F.P.S. (non modular) bricks tile class designation 10 of size 22.9x11.4x4.4cm complete in al1 respects and to the entire satisfaction of the Engineer in charge. NS.

Providing and Fixing chicken mesh on RCC beams, facias etc. wherever required with wooden gutties, nails and screws including drilling holes etc complete as per directions of the Engineer-in-charge.