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PDMECO/OPW MULTI -PORT SPILL CONTAINMENT MANHOLES POMECO/OPW Multi -Port Spill Containment Manholes provide spill containment for underground storage tank (UST) fill pipes and vapor recovery risers in a completely integrated single manhole package. Multiports are installed over the top of tank sumps to preserve future access to the tank top and to facilitate containment of tank bung fittings. $,"I) Model Descriptions POMECO/OPW offers a vast array of standard multiport configurations and options, in addition to an almost unlimit- ed ability to provide custom solutions for virtually any spill containment application. ® POMECO/OPW 311 Series - Features a flush -mounted manhole lid and raised dual dam and groove spill container ring, with P311 Buckets using POMECO 111 Style steel, slip-on 5, 10 or 15 -gallon containers with external drains (piped to the fill riser) or optional hand pump (hand pump is standard with 12" riser spacing). • POMECO/OPW 411 Series - Features a flush -mounted manhole lid and raised dual dam and groove spill container ring, with P2105 Buckets using OPW 1-2105 Style slip-on 5 -gallon (standard) or 7.5 -gallon containers. Base is standard 1" offset from center and can be used for 12", 14" 16" or wider riser spacing. Optional 1P-2105 Hand Pump available. ® POMECO/OPW 511 Series - Features a flush -mounted manhole lid and raised dual dam and groove spill container ring, with P511 Buckets using OPW 1-2100 Style thread -on 5 -gallon (standard) or 7.5 -gallon containers with internal drains (CARB approved). A special single -port model, the 511Y, is available with a funnel -shaped bottom and a large fill opening for waste oil tank applications. POMECO (with DtESe( 1 t?—CAezS POMECO 6511A-000037RT051 (with Mid -Grade Unleaded I.D.Tags) f.