development of football play ground nigam pratibha school shahabad dairy ( new ) w.no-28 / nz. ; 2 supplying and stacking of good earth at site including royalty and carriage upto 5 km lead complete ( earth measured in stacks will be reduced by 20% for payment ) . 3 spreading of sludge, dump manure and / or good earth in required thicknessas per direction of officer-in-charge ( cost of sludge, dump manure and / orgood earth to be paid separately ) . 4 rough dressing the trenched ground including breaking clods. 5 fine dressing of the ground 6 providing & laying selection no. 1 grass turf with earth 50mm to 60mmthickness of existing ground prepared with proper level and ramming withrequired tools wooden and than rolling the surface with light roller make thesurface smoothen and light watering the same maintenance for 30 days ormore till the grass establish properly, as per direction of officer in charge per sqm 7 providing and fixing chlorinated polyvinyl chloride ( cpvc ) pipes, having thermal stability for hot & cold water supply including all cpvc plain & brass threaded fittings.this includes jointing of pipes & fittings with one step cpvc solvent cement, trenching, refilling & testing of joints complete as per direction of engineer in charge.40 mm nominal dia pipes 8 providing and fixing gun metal gate valve with c.i. wheel of approved quality ( screwed end ) :40 mm nominal bore.