ZONE A TOP SLAB CASTING

ZONE-A/AREA-1 TOP SLAB CASTINGPROPOSED STAMFORD DETENTION TANK AND ANCILLARY FACILITIESStamford Detention Tank Site

Area-1Top Slab Details

Top Slab Details

Site Utilization Plan for Casting of Area 1

Concreting Details and ScheduleDate of Casting: 23 January 2014Set-up Concrete Pump: 18:00hrsConcreting Start: 19:00hrsConcreting Duration: Estimate 10hrsWaterproofing Casting (400mm thk): Est to complete 10:00 PMPBFC Concrete Casting (700mm thk): Est to complete 6:00AMNote: PBFC concrete will start casting after Waterproofing concrete setting. Estimated 2-3hrs after start casting.Estimate Volume of Waterproofing Concrete: 160 cumEstimate Volume of PBFC Concrete with ice: 250 cumIntegral Waterproofing ConcreteWaterproofing Admixture: TAMseal3.12kg TAMseal Admix per 1 cubic meter of concrete shall be mixed on site by Waterproofing applicator (Uniseal)Manpower1 Supervisor1 Safety Supervisor1 pump operator plus assistant per concrete pump12 workersEquipment6 concrete vibrator2 concrete pumpsQuality ControlWaterproofing Concrete (Est 160 cum)4 sets of concrete cubes (16 cubes) to be tested for 7 days and 28 days.PBFC Concrete (Est 250 cum)4 sets of concrete cubes (24 cubes) to be tested for 7 days, 28 days and 56 days.After concreting, curing compound shall be applied to the fresh concrete.Canvas sheet shall be available on site to cover the newly cast slab in case heavy rain on site.Finishing Power Float + broom brushSafety ControlDaily Toolbox Meeting to be conducted before casting.All workers shall wear proper PPE (Helmet, safety boots, reflectorized vest, dust mask, rubber gloves).Proper and enough lighting to be provided on the concrete truck access and working area.Traffic control must be put in place.Concrete lorries tyres to be cleaned before going out of site.Residents shall be informed for the heavy casting especially casting beyond 10PM. (Has been informed by letter today 10:00 AM)