supply of umbrella survey, specification: a. diameter of umbrella: 2160 mm b. length of circular handle / post: 2550 mm c. diameter of circular handle / post: 45 mm d. no of cane rib : 10 nos e. length of cane rib: 1100 mm f. diameter of circular cane rib: 25mm g. colour of circular handle and cane ribs: black h. colour of top layer fabric: white ( webfab trap & canvas cotton duck canvas cotton duck canvas cloth 500 gsm ) i. colour of inner / bottom layer fabric: blue ( webfab trap & canvas cotton duck canvas cotton duck canvas cloth 500 gsm ) j. metal locking arrangement with chain to keep umbrella in opening as well as in closed position k. provision of fabric strap with button arrangement to keep the umbrella wrapped. [ warranty period: 30 months after the date of delivery ]