Specifications include, but are not limited to: WATER TANK CONSTRUCTION- 78” AOL x 48” OAW The water tank shall be constructed of 1/2" thick polypropylene sheet stock. The material shall be of a certified, high quality, non-corrosive, stress relieved thermo plastic, black in color with a textured finish, and UV stabilized for maximum protection. The skid type booster tank shall be of a standard configuration and shall be so designed to have complete modular slide in capability. All joints and seams are to be fully nitrogen welded and electronically tested for maximum strength. The unit shall incorporate transverse partitions manufactured of 3/8" polypropylene which shall interlock with a series of longitudinal partitions constructed of 1/2" polypropylene. All swash partitions shall be so designed to allow for maximum water and air flow between compartments and are fully welded to each other as well as to the inside of the tank. The passenger side rear wall of the tank shall have a standard built in sight gauge 2" in width, and 70% transparent. FILL TOWER AND TANK COVER The tank shall be equipped with a combination vent/overflow and manual fill tower. The fill tower shall have a molded drop-on type cover. The cover shall be fastened to the tower prevent loss. The tower shall be located in the right rear corner of the tank. There shall be a vent / overflow installed inside and to the extreme rear of the tower approximately 2" down from the top. This vent / overflow shall be of a standard schedule 40 polypropylene pipe with minimum ID of 3". The vent / overflow shall be piped internally toward the front and exit out the front tank wall with a 1/2" extension past the front tank wall. The fill tower shall measure 8” round with a tethered full cover.