Specifications include, but are not limited to: In general, the work consists of: repairs to an existing masonry chimney and installation of a new stainless steel roof mounted chimney. The existing masonry chimney is approximately 204’-4” tall. It has a 12’-9” inside diameter at the base and tapers down to an 8’-4” diameter at the top. The chimney is made up of an outer octagonal brick and an interior radial liner that extends up to 75’-0”. There is a gas meter platform at ~90’-0” with (4) gas sampling ports at 100’-0”. The platform is accessed by a fixed ladder on the south side accessible from the roof of the heating plant/breeching. There are (3) aviation obstruction lights located 20’-0” below the top positioned at a 120deg. orientation. Work will consist of brick replacement, tuckpointing, tension band painting/caulk (35 bands), maintenance platform painting/caulking, ladder painting/caulking, lightning protection system inspection/repair, concrete cap replacement, breeching duct connection repair, cleanout door painting, and foundation caulking. Masonry work will include both interior and exterior faces. The top of the stack will be demolished down to the 5th 10 tension band below the top where the brick bows out and rebuilt back up to a height of 195’-0”...
