B08 - AMEND0001 - LD14-Reference DWG.pdf

This document is a technical drawing/blueprint for the L/D 14 Mississippi River Roof Replacement project at an Old Control Station operated by the US Army Corps of Engineers.

The project involves removing and replacing the existing EPDM roof membrane on a structure measuring approximately 62'-24" by 22'-24". The scope of work includes: removal of the existing EPDM roof membrane and damaged fiber board insulation; installation of new ½" high-density recovery board over the existing 2" concrete roof deck; installation of new 60 mil fully adhered EPDM roof membrane with mechanical fasteners; reinstallation of existing sheet metal coping; and installation of new thru-wall scuppers and flashing. The contractor must provide a 10-year manufacturer roof warranty and coordinate operations with other contractors and government-hired labor forces. Government responsibilities include providing access across the auxiliary lock for vehicles and walkways, use of the dam crane for material handling, and removal of existing sandblasting equipment and miscellaneous items from the existing EPDM roof. The drawing specifies detailed construction requirements for the parapets, flashing, and scupper details, with notes indicating that all existing conditions shall be field verified and that openings and seams must accommodate the new membrane roofing as recommended by the roofing manufacturer but not less than 5 inches.