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Features <br /> • Raintight Service - Buna-N gaskets on the manhole and spill bucket mounting <br /> rings help prevent contamination of the sump area from surface water intrusion. <br /> • Highway 20 Load Rating - The rugged diamond plate steel manhole covers, as <br /> well as the cast iron(RT) or aluminum (SC) spill container covers meet H2O Load <br /> Rating requirements. <br /> • Spill Container and Manhole Positive I.D. System- Special recesses cast into spill <br /> container covers and machined into manhole lids allow"Peel & Stick"tags to be <br /> attached to the lids. Matching bucket tags can be affixed to the inside of the spill <br /> container to prevent covers from getting switched. <br /> • CARB Certified- 311 Series Approval Letter#93-25, 511 and 611 Series <br /> Approval Letter#92-12. <br /> • FilWapor Ports - Configurations are available to accommodate a single fill riser, <br /> dual ports for both a fill and vapor riser, and triple and quad ports for multiple fill <br /> and vapor risers. Vapor ports can be supplied with or without containment <br /> buckets. <br /> • Port Configurations - Standard port locations match the popular riser spacings <br /> (12", 14", 16" or 24") and bung configurations on underground storage tanks. <br /> Custom port locations are easily accommodated. <br /> • Monitoring Ports -Bolt-down, gasketed monitoring ports can be incorporated into <br /> the manhole cover to provide observation access to the sump without removing <br /> the entire cover. Standard port diameter is 5" (13 cm)with larger ports available <br /> upon request. <br /> • Manhole Cover Sizes- Standard bolt-down manhole cover diameters of 30" (76 <br /> cm), 37"(94 cm),42"(107 cm), and 48" (122 cm)allow ample access to the sump <br /> area. Provision for a 1/2"-13 lifting eyebolt is provided on 42" and 48"models. <br /> Heavy-duty reinforced lid options are also available. <br /> • Spill Container Cover Options - Standard spill container options include the <br /> patented POMECO/OPW dam and groove Raintight(RT)design and the <br /> watertight Sealable Cover(SC) "plumber's plug"design. The Raintight cover <br /> features a finger-grip lifting facility and an integral seal. The sealable cover <br /> features a cam-operated mechanism that expands the seal against the vertical wall <br /> of the mounting ring. Both of these water-shedding covers are protected by raised <br /> mounting rings. A below-grade (BG) option is available which provides <br /> watertight underground containment vessels while maintaining a non-watertight <br /> flush manhole cover surface. <br /> • Fastener Options -Two types of fasteners are available to secure the manhole lid <br /> and monitoring port <br /> to mounting rings. Standard are 5/16"-18 hex head bolts. Optional are <br /> POMECO/OPW Roto-Lock Fasteners. The POMECO/OPW Roto-Lock system <br /> enables a secure, watertight connection without the need to locate threaded bolt <br /> holes on the mounting ring. <br /> a� <br />