A plain outer wall, devoid of towers, faced the river, and some kind of an entrance gateway must have been erected at the south-west angle of the new outer ward, where now stands the Byward Gate, "F." The inner ward was probably entered by a gate, now replaced by the Bloody Tower Gate, "m." A wide and deep ditch was also excavated round the new works, which the Chancellor appears to have expected would be filled by the Thames; but inasmuch as it was not provided with any dams or sluices for retaining the water when the tide was out (a work carried out successfully in a later reign), the chroniclers record with great exultation that this part of Longchamp's work was a comparative failure.[29] The level of the greater part of the inner ward, "7," is (as will be seen by the figures upon the plan, which represent the heights in feet above the mean sea-level) some fifteen feet _above_ that of the outer ward, and but little below that of Great Tower Hill. It seems probable that much of the clay from the ditch excavated by Longchamp was piled up round the western and northern sides of this inner ward, thus completely burying the base or battering plinth of the keep (now only visible at the south-eastern angle), while at the same time it served as a revetment to the curtain wall, and strengthened the city side of the fortress against any attack. Whilst these works were in progress, the Chancellor seems to have seized upon some lands of the Priory of the Holy Trinity in East Smithfield, and removed a mill belonging to St. Katherine's Hospital. These illegal usurpations, coupled with his excessive and unscrupulous taxation of clergy and laity alike for the conduct of these new works, seem to have aroused great indignation at the time, and doubtless contributed to his sudden downfall. His high-handed proceedings appear to have formed a ground for claims, not settled until, long years afterwards, a rent, by way of compensation for the land so unjustly taken, was paid by Edward I. In 3 Richard I. the Pipe Roll records further expenditure upon lime, stone, timber, brushwood, "crates" (a kind of wickerwork hurdle), and stakes or piles for works at the Tower. In 5 Richard I. there is an outlay upon a "palicium," or palisade, "furnished with mangonels (or stone-casting engines) and other things necessary," "circa turrim Lond," which probably refers to an outwork or barbican covering the western entrance gate, for the expression "turrim" must here be taken in its widest sense as we should now employ it, meaning not merely the keep, but the whole castle. The total amount expended during the last five years of Richard's reign was only L280 14s. 10d., so that all the extensive new works previously referred to were probably completed _before_ 1194.