tender for ward 12 tree plantation and protection in public places--1.01 cowdung 1.02 coir pith compost 1.03 bone meal ( bone manure or ellupodi ) 1.04 neemcake ( veppin pinnakku ) 1.05 interlocking c.c. paver block ( 80 mm thick, m-30 ) 1.06 stone aggregate ( single size ) : 06 mm nominal size 1.07 stone aggregate ( single size ) : 40 mm nominal size 1.08 stone aggregate ( single size ) :20 mm nominal size 1.09 stone aggregate ( single size ) : 10 mm nominal size 1.1 carriage of stone aggregate 40 mm nominal size and above 1.11 carriage of stone aggregate below 40 mm nominal size 1.12 coarse sand ( zone iii ) 1.13 portland cement 1.14 carriage of cement 1.15 hire charges of concrete mixer 0.25 to 0.40 cum with hopper 1.16 vibrator ( needle type 40 mm ) 1.17 sundries 1.18 wall form panel 1250x500 mm 1.19 corner angle 45x45x5 mm 1.50 m long 1.2 100 mm channel shoulder 2.5 m long 1.21 double clip ( bridge clip ) 1.22 single clip 1.23 m.s. tube 40 mm dia 1.49 carriage