Maintenance of water supply scheme under SDI WDIV DDW Vasco Urgent Repair and Painting to 300 Cu M GLR including pump House at Mid Land Sada in Mormugao Constituency

Repairs to plaster in patches of 2.5 sq.m. and under including cutting the patch in proper shape and preparing and plastering the surface of the walls complete including disposal of rubbish to the dumping ground within 50m lead. With cement mortar 1:4 (1 cement : 4 fine sand)

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

12mm plaster in cement mortor 1:3 with neat finish for internal surfaces of the water tank such as one side of vertical wall one surface of dome complete as per the direction of the Engineer- in- charge.

Extra for providing and mixing water proofing material proportion recommended by the manufacturers. 12mm cement plaster 1: 4 (1 cement : 4 sand)

Neat Cement punning

18mm cement plaster in two coats under layer 12mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand) and top layer 6mm thick with cement plaster 1: 3 (1 cement : 3 coarse sand) finished with sponge.

Drilling 40mm dia holes in masonary or concrete structure with providing and fixing0.5m long G.I Pipe nozzles for pressure grouting including all material labour cost and machinery Charges , etc. complete in all respects as per the direction of the Engineer -in- charge.In Ground level reservoir.

Providing pressure grouting at a pressure of 5.6kg/sqcm in required row / zigzag fashion as specifed at 1.5m interval, as per the site condition to stop leakages, in water retaining structures, including the cost of water proofing compound, hardening materials, compressor, necessary allied equipments, scaffolding centering, shuttering ,and Per Bag necessary platform with staging required,along with smooth finishing the grouted surface, water tightness test as per relevant IS code with latest amendments,etc in Ground level reservoir for reinforced concrete structure complete in all respects as per the direction of the Engineer in charge.

Providing and applying one coat of gamma coating or equivalent such as DR. bake , krishna conchem, asia paints atul limited burger paints expoy primer 50 to 60 microns thick and covering two coats of gamma coating or equivalent such as DR. bake , krishna conchem, asia paints atul limited burger paints 30microns thick each to new M.S pipes and structural steel or concrete surface including preparing the surface by finishing by solvent de-greasing and de- rusting by applying chemical method and scaffolding is necessary as per manufacture specifications complete in all respects as per the direction of the Engineer- in- charge. in Ground level reservoir.

Painting three or more coats with acryllic exterior paint of approved brand and manufacture (Such as Dulex/ Asian Paints/ Sherwin Willians) including applying one coat of cement primer and one coat of surface treatment etc. complete.