Work of providing domestic sewerage connections in sectors in BIDA area.

Amount

Providing and fixing unplasticized poly viny chloride (UPVC) SWR pipe type 'B' reducer for scilant waste discharges system (IS : 13592 : 1992 marked) of approved quality/ make (fitting)

140 x 110 mm size.

160 x 110 mm size.

P & F Square-mouth gully trap `A` grade (IS :marked) of approved make complete with C.I. grating, frame & Cover masonary chamber in C.M. 1:6, 100mm thick C.C. 1:5:10 base concrete, 40mm thick C.C.M-15 grade coping, 12mm thick cement plaster in CM 1:3 complete as per approved design & type. Trap size 150 X 100mm, & P/F in position precast SFRC manhole cover and frame of required shape and approved quality medium duty - 10 square shape 300 mm internal dia

Barricading with sal bailies as per design including tyting with vertical posts by coconut strings complete in all respect with two honzontal members height 1.2 meter up to 1.5 meter above G.L and vertical support up to 2.5 meter C/C and for 3 days period including removal and cleaning the site complete in all respects

Empting of septic tank/ soakage well etc. disposing of sludge within a lead of 5km and taking out sewage including refilling with local earth ramming and compacting in layers, cleaning of site.