Submersible Solids-Handling Pumps
P1 batch 4: hazardous-location installations, document confidentiality and AI use, generator paralleling switchgear, interrupter switchgear, medium-voltage drives and metal-enclosed bus now owned; bare-text mentions re-pointed to the new standards
Showing changes from Rev 1
to Rev 2
in Submersible Solids-Handling Pumps.
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title: Submersible Solids-Handling Pumps
category: Process / Pumps
description: >
When to use: Individually specified solids-handling wastewater pumps in water and wastewater treatment plants, plant influent pump stations built in a water-retaining structure, and large collection-system pump stations, read together with [[sync/common-work-results-process]], which carries the submittal register, the factory and witnessed test policy, manufacturer's field services, nameplates, spare parts basis, anchorage, and vibration and noise acceptance for every process equipment standard. Covers the pump in every arrangement the service uses: submersible in a wet well on guide rails with a discharge elbow, dry-pit submersible with an immersible motor, horizontal and vertical dry-pit solids-handling pumps with a conventional motor, and self-priming solids-handling pumps at grade, for raw sewage, primary and secondary effluent, return and waste activated sludge, plant drain, and stormwater and combined flow inside a plant. Addresses the hydraulic selection against the pump schedule, spherical solids passage, non-clog channel, vortex, screw-centrifugal, and chopper impellers, the wetted materials for grit and corrosive service, wear rings and their adjustment, tandem mechanical seals and seal leak detection, the submersible motor with its cooling, sensors, cable, and hazardous-location listing, the guide rail system, discharge elbow, and lifting chain, dry-pit and self-priming mounting, speed control interface, factory performance testing under ANSI/HI 11.6 or ANSI/HI 14.6, the field drawdown test, shop coating, warranty, and spare parts.
− Not intended for: Centrifugal pumps for clean and raw water, finished water, service water, and process transfer, built as horizontal end-suction, split-case, and suction-lift units (see [[sync/horizontal-centrifugal-process-pumps]]); line-shaft vertical turbine pumps and submersible well pumps (see [[sync/vertical-turbine-pumps]]); progressive cavity, rotary lobe, plunger, peristaltic, and diaphragm pumps for sludge, scum, grit slurry, and thickened solids (see [[sync/positive-displacement-pumps]]); the factory-assembled site lift station with its own pumps, rails, and controls (see [[sync/packaged-pump-stations]]); building sump pumps, sewage ejectors, and grinder pumps (see [[sync/sump-and-sewage-pumps]]); building hydronic pumps (see [[sync/hvac-pumps]]), plumbing pumps (see [[sync/plumbing-pumps]]), domestic water booster pumps (see [[sync/domestic-water-booster-pumps]]), fire pumps (see [[sync/fire-pumps]]), and fuel oil pumps (see [[sync/fuel-oil-systems]]); chemical metering pumps and irrigation booster pumps, which are not yet owned by a SynC standard; the conventional motor on a dry-pit or self-priming pump (see [[sync/electric-motors]]); variable frequency drives (see [[sync/low-voltage-variable-frequency-drives]]), starters (see [[sync/combination-motor-starters]] and [[sync/motor-control-centers]]), the pump control panel (see [[sync/industrial-control-panels]]), level instruments (see [[sync/level-sensors]] and [[sync/process-instrumentation]]), and the pump control sequence (see [[sync/control-systems-integration]]); the discharge check and isolation valves (see [[sync/process-check-valves]], [[sync/resilient-seated-gate-valves]], [[sync/eccentric-plug-valves]], and [[sync/butterfly-valves]]); the process piping and its supports (see [[sync/ductile-iron-process-piping]], [[sync/steel-and-stainless-process-piping]], and [[sync/plastic-process-piping]]); the wet well or dry pit structure (see [[sync/water-retaining-concrete-structures]]); pads, anchors, and grout (see [[sync/concrete-pads]], [[sync/structural-steel-anchor-bolts]], [[sync/post-installed-anchors]], [[sync/non-shrink-grout]], and [[sync/grouted-base-plates]]); vibration isolation and seismic restraint (see [[sync/vibration-isolation-and-seismic-restraint]]); the field-applied finish coat (see [[sync/high-performance-coatings]]); and overhead cranes and hoists and electrical installations in hazardous (classified) locations, which are not yet owned by a SynC standard.
+ Not intended for: Centrifugal pumps for clean and raw water, finished water, service water, and process transfer, built as horizontal end-suction, split-case, and suction-lift units (see [[sync/horizontal-centrifugal-process-pumps]]); line-shaft vertical turbine pumps and submersible well pumps (see [[sync/vertical-turbine-pumps]]); progressive cavity, rotary lobe, plunger, peristaltic, and diaphragm pumps for sludge, scum, grit slurry, and thickened solids (see [[sync/positive-displacement-pumps]]); the factory-assembled site lift station with its own pumps, rails, and controls (see [[sync/packaged-pump-stations]]); building sump pumps, sewage ejectors, and grinder pumps (see [[sync/sump-and-sewage-pumps]]); building hydronic pumps (see [[sync/hvac-pumps]]), plumbing pumps (see [[sync/plumbing-pumps]]), domestic water booster pumps (see [[sync/domestic-water-booster-pumps]]), fire pumps (see [[sync/fire-pumps]]), and fuel oil pumps (see [[sync/fuel-oil-systems]]); chemical metering pumps and irrigation booster pumps, which are not yet owned by a SynC standard; the conventional motor on a dry-pit or self-priming pump (see [[sync/electric-motors]]); variable frequency drives (see [[sync/low-voltage-variable-frequency-drives]]), starters (see [[sync/combination-motor-starters]] and [[sync/motor-control-centers]]), the pump control panel (see [[sync/industrial-control-panels]]), level instruments (see [[sync/level-sensors]] and [[sync/process-instrumentation]]), and the pump control sequence (see [[sync/control-systems-integration]]); the discharge check and isolation valves (see [[sync/process-check-valves]], [[sync/resilient-seated-gate-valves]], [[sync/eccentric-plug-valves]], and [[sync/butterfly-valves]]); the process piping and its supports (see [[sync/ductile-iron-process-piping]], [[sync/steel-and-stainless-process-piping]], and [[sync/plastic-process-piping]]); the wet well or dry pit structure (see [[sync/water-retaining-concrete-structures]]); pads, anchors, and grout (see [[sync/concrete-pads]], [[sync/structural-steel-anchor-bolts]], [[sync/post-installed-anchors]], [[sync/non-shrink-grout]], and [[sync/grouted-base-plates]]); vibration isolation and seismic restraint (see [[sync/vibration-isolation-and-seismic-restraint]]); the field-applied finish coat (see [[sync/high-performance-coatings]]); overhead cranes and hoists, which are not yet owned by a SynC standard; and electrical installations in hazardous (classified) locations (see [[sync/electrical-hazardous-locations]]).
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- Equipment identification nameplates: [[sync/mechanical-identification]]
−### The overhead crane, monorail, or davit that lifts the pump, and the electrical installation inside a hazardous (classified) location, including the conduit seals and the wiring methods of that location, are not yet owned by a SynC standard (the intrinsically safe cable to the pump sensors is under [[sync/instrumentation-and-control-cable]]); the lifting equipment is shown on the drawings and the classified-location installation is governed by NFPA 70 Articles 500 through 504 until a standard owns it. {note}
+### The overhead crane, monorail, or davit that lifts the pump is not yet owned by a SynC standard and is shown on the drawings; the electrical installation inside a hazardous (classified) location, including the conduit seals and the wiring methods of that location, is under [[sync/electrical-hazardous-locations]], and the intrinsically safe cable to the pump sensors is under [[sync/instrumentation-and-control-cable]]. {note}
## Pump Family Boundaries {toc}
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### The pump cable shall be routed from the wet well to the junction box outside the classified location through the raceway shown on the drawings, without a splice in the wet well, and the junction box shall be mounted where the cable can be disconnected and withdrawn with the pump.
−### The conduit seal at the boundary where the pump cable raceway leaves the classified location, and the installation of the raceway within the classified location, are governed by NFPA 70 Articles 500 through 504 and are not yet owned by a SynC standard; this standard requires that the cable be of the length under the Power and Sensor Cable article to reach the junction box without a splice.
+### The conduit seal at the boundary where the pump cable raceway leaves the classified location, and the installation of the raceway within the classified location, are governed by [[sync/electrical-hazardous-locations]]; this standard requires that the cable be of the length under the Power and Sensor Cable article to reach the junction box without a splice.
### The junction box outside the wet well is where a pump is disconnected before it is lifted, and where the spare pump is connected after it; a box that is reached only from inside the wet well, or a cable terminated in the panel across the yard, turns a pump change into a confined space entry or a cable pull. {note}
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### The certified curve for each pump, marked with the field drawdown point, shall be placed in the operation and maintenance manual under [[sync/common-work-results-process]].