excavation in trenches with straight or open cutting in streets, lanes or in open area with 3d/jcb or excavator including manually dressing bed, trimming sides and side slopes for sewers and manholes to full depths as shown in drawings,including, dressing to correct sections and dewatering, provision for diversion for traffic, protection of existing services i.e. telephone cables, electric lines, water supply lines and gas lines etc. night signals, profiles, pegs, sight rails, boning rods, watching, etc., fixing and maintenance of caution boards, fencing, refilling trenches, watering, ramming and restoration of surface to original level and removal of surplus spoil from the site of works, upto one chain (15m) complete in all respects. (a) depth not exceeding 3 m. bgl (i) all kinds of soil except rocky
(csr item no. 29.5 a i)
