Public Works Department Tender

Note : Acceptable makes of polymer are: a) M/s FOSROC Construction Chemical b) M/s SIKA India c) DON Const. Chemical d) Pidilite e) Diamond shield

Labour charges for 15mm thick plaster in 1:4 cement sand mortar on walls including scaffolding charges but excluding cost of all material

Cleaning of area with wire brush, power brush, light breaker with flat chisel to remove all loose material, dust, dirt etc. Coving/fillet on the all corners/junction of roof and parapets with 1:3 mortar admixed with integral waterproofing compound and using bonding agent. All surface to be moisten with plenty water before coating with waterproofing system.Applying three coats of Acrylic polymer (Hydroproof extra) mixed with neat cement as per following procedure. First coat/primer coat 1:2:4 (1 Polymer : 2 Water : 4 Cement) with proper coverage of all area. Laying of fibre glass mesh when the primer coat is still wet. Minimum overlap of 100mm on side way and 150mm on length way. 2nd coat of 1:2:4 (1 Polymer : 2 Water : 4 Cement) to be applied to hold/bind the fibre mesh and cover the whole area. 3rd coat/final top coat of 1:2 (1 Polymer : 2 Cement) to applied to cover. A protection cover of 3mm to 5mm screed o 1:3 (1 Cement : 3 Sand) admixed with integral waterproofing compound Complots WL @ 125ml/ per bag or equivalent shall be applied. Curing the entire area by sprinkling of water for 48 hrs. and then allowed to dry for 48 hrs. before water test.