Attch 3- Appendix A- (High Mast Light Prints).pdf

This is an engineering drawing and specification document for a high mast lighting structure pole manufactured by Holophane Acuity Lighting Group Inc. The document specifies a Center Hill High Mast structure (Model HM80 SPCL GV HH, RFD345513) located in Nashville, Tennessee, dated May 21, 2024.

The pole specifications include an 80-foot height with a base diameter of 28.00 inches and top diameter of 24.00 inches. The design incorporates a female section penetration weld with full penetration meld length of 1.500 inches plus 6.00 inches, and includes a slip joint detail. Material specifications require ASTM A572 Grade 50 steel for the main shaft with a minimum yield strength of 55 KSI. The structure features an anchor bolt set (ABSET HM80 RFD345513) with four bolts, washers, and nuts galvanized at least 12.00 inches on the end. Finish specifications include a galvanized (GV) coating system with no additional color or stripe applied. The document includes detailed technical drawings showing the pole top, support plate with lockable hinged handhole, pole base with mounting template, and anchor bolt configuration. The design complies with AASHTO 2015 specifications for highway sign, luminaire, and traffic signal support structures and is engineered to resist yearly mean wind speeds based on code requirements. Customer approval signature and date are required to accompany the purchase order.