List Specifications: a. Secondary protective grating panel shall be 1 inch (25mm) thick aluminum “I” bar grating. b. Grating panel color and finish shall be Safety Orange powder- coating. c. Grating panel shall be hinged with tamper proof stainless steel bolts, and shall be supplied with positive latch to maintain unit in an upright position. d. A 6 inch (152mm) viewing area shall be provided on each lateral unhinged side of grating panel, for visual observation and limited maintenance procedures. e. The grating support ledges shall incorporate nut rail feature supplied with minimum of four stainless steel spring nuts for mounting pump brackets and/or cable holders. f. A padlock hasp for owner-supplied padlock shall be provided.