Digging of Water Absorption Trench (WAT) with out trimming, involving earth work excavation by the excavator with shovel 0.50 cum capacity in all kinds of soils including boulders upto 0.30 mt diameter, and depositing in rough trapezoidal shape by leaving the berm of 1m from the edge of the trench (3m x 2m x 3m size) or 7.5 cum or Running meter or 7500 cum per kilometer in Yellamanchili Range of Visakhapatnam Division.