PROVN OF TILING IN BLDG NO T-111 AND T-112 OF 341 FD REGT, URINAL POINT NEAR WKSP SHED (BLDG NO P-107) AT 67 EME BN AND PROVN OF APPROX 40 MTRS DRAINAGE WITH 25 MTRS RETAINING WALL BEHIND BLDG NO T-382 QTR GD AT MS-05 OF 310 FD REGT UNDER GE GANGTOK.