INSTALL_2011 - Laserfiche WebLink

Home Browse Search

SECTION • Enclosures D6. FRP WATERTIGHT TURBINE ENCLOSURE When required for FRP coupling: (SEE FIGURE • Recommended method for supplemental heat is a hand held heat gun (maximum output tempera- ture 2000F). Important:Mix unused tube of catalyst and any Do Not air pressure test turbine enclosure. See Section unused adhesive to form a solid for safe dis- DI t for testing methods.Turbine enclosures must be iso- posal.Then dispose as a nonhazardous waste lated from direct traffic loading.(See section 133) in accordance with federal, state and local To prevent water infiltration in high groundwa- re ulations. ter conditions turbine enclosures must: ♦ Be mounted and cemented to secondary containment DS. FRP SEALED TURBINE ENCLOSURE collar using same procedure described in section D4. (SEE FIGURE 30) FIGURE 31 + Top Opening I.D.=30' Lid O.D.=32' Do Not air pressure test turbine enclosure. See Section 08 for testing methods. Turbine enclo- sures must be isolated from direct traffic load- Ing. (See section D3) To prevent water infiltration in high groundwater conditions turbine enclosures must: ` • Be mounted and cemented to secondary containment C"InmentCatar collar using same procedure described in section D4. • Have its top mounted and cemented in place. Follow 4.s procedure used to cement turbine enclosure to collar (section D4). ♦ Have its top mounted and cemented in place. Follow procedure used to cement turbine enclosure to collar ♦ Always vent turbine enclosures. (Usually accomplished (section D4) except this joint is made on the exterior of with double wall piping.) FIGURE 30 the turbine enclosure. ♦ Always vent watertight or sealed turbine enclosures. Top Opening I.D.=23•x29• (Usually accomplished with double wall piping.) Lid O.D.=27'x 33' — � ♦ Apply o-ring lubricant to o-ring groove, place o-ring 10.5' in groove, and push lid on. • The o-ring lubricant will require periodic replacement as it will degrade over time. Any lubricant that will not dissolve in gasoline or water, nor attack Buna-N rubber is acceptable. Almagard 3752 from Lubrica- tion Engineers in Fort Worth, Texas is recommended. While not as long lasting, other lubricants like barium ConteinmentCollar grease, or petroleum jelly can also be used. Lubri- cant can be applied directly to the o-ring or to the inside surface of the lid flange. 4.5' When removed from the turbine enclosure, the lid ♦ On a sealed turbine enclosure torque lid bolts to 25 ft.- should be placed with the flange up (not in the dirt) to lbs. Follow ASTM specifications for "Structural Joints prevent the lubricant on the lid flange form being con- Using ASTM A325 or A490 Bolts". taminated with dirt,small rocks,or other contaminants. ♦ The gasket(flat or o-ring) is a maintenance item which • The gasket (flat or o-ring) is a maintenance item will have to be replaced periodically or when it shows a which will have to be replaced periodically or when it leak during a tightness test. shows a leak during a tightness test. 22