31 EARTHWORK 312000 EARTH MOVING 1. Excavation 1.01 Excavation of trenches is given separately in linear meter for the specified trench cross-section dimensions 1.02 Work and rate are deemed to include: any method of excavating and working, excavating in any material whatsoever encountered including rock, variations to bulk, commencing excavating at any level, and excavating to any depth, excavating to any depth, any width of trench and any number of pits, curved excavation, side slopes if needed to provide safe and stable side slopes, excavating below ground water level, if any (irrespective of any difference between the post-contract and pre-contract level), excavating next to existing services and around existing services crossing excavations including temporary support, temporarily re-routing, sealing and removing services as required, disposal of ground water and surface water, disposal of excavated material, on site or off site, including spreading and levelling or depositing in spoil heaps, providing tip and paying fees and multiple handling, backfilling to unauthorized excavation (beyond the levels and lines indicated in drawings) using Satisfactory materials arising from excavations, placed and compacted in layers, quality control, testing, preparation of as-built drawings and reporting