supply of umbrella surveyumbrella survey,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 canv as cloth 500 gsm) i. colour of inner/bottom layer fabric: blue (webfab trap & canvas cotton duck canv as cotton duck canvas cloth 500 gsm) j. metal locking arrangement with chain to keep umbrella in op ening as well as in closed position k. provision of fabric strap with button arrangement to keep the um brella wrapped. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]