OPSS.MUNI 401 Trenching, Backfilling, and Compacting
OPSS.MUNI 402 Excavating, Backfiling and Compacting for Maintenance Holes, Catch Basins, Ditch Inlets and Valve Chambers
OPSS.MUNI 403 Rock Excavation for Pipelines, Utilities and Associated Structures in Open Cut
OPSS.MUNI 404 Support Systems
OPSS.MUNI 405 Pipe Subdrains
OPSS.MUNI 407 New Maintenance Hole, Catch Basin, Ditch Inlet, and Valve Chamber Installation
OPSS.MUNI 408 Adjusting or Rebuilding Maintenance Holes, Catch Basins, Ditch Inlets, and Valve Chambers
OPSS.MUNI 409 Closed-Circuit Television (CCTV) Inspection of Pipelines
OPSS.MUNI 410 PIPE SEWER INSTALLATION IN OPEN CUT
OPSS.MUNI 411 Cleaning and Flushing of Pipe Sewers, Catch Basins, Maintenance Holes, Ditch Inlets, and Oil-Grit Separators
OPSS.MUNI 412 Forcemain Installation in Open Cut
OPSS.MUNI 413 Manure Pipeline Installation in Open Cut
OPSS.MUNI 415 Pipeline Installation by Tunnelling
OPSS.MUNI 416 Pipeline and Utility Installation by Jacking and Boring
OPSS.MUNI 421 PIPE CULVERT INSTALLATION IN OPEN CUT
OPSS.MUNI 422 Precast Reinforced Concrete Box Culverts in Open Cut
OPSS.MUNI 432 Zoom Camera Inspections
OPSS.MUNI 434 Laser and LiDAR Surveying of Pipelines
OPSS.MUNI 435 Sonar Inspections of Gravity Pipe Sewers and Culverts
OPSS.MUNI 436 Locating Gravity Pipe Sewers
OPSS.MUNI 438 Mandrel Deflection Inspections
OPSS.MUNI 439 Direct Measurement Inspections
OPSS.MUNI 441 Watermain Installation in Open Cut
OPSS.MUNI 442 Corrosion Protection of New and Existing Watermains
OPSS.MUNI 443 Rehabilitation of Non-Pressure Pipe by Cured-In-Place Pipe (CIPP) Liner
OPSS.MUNI 444 Sewage Forcemain Rehabilitation by Cured-In-Place (CIPP) Liner
OPSS.MUNI 445 Watermain Rehabilitation by Cured-In-Place Pipe (CIPP) Lining
OPSS.MUNI 450 Pipeline and Utility Installation in Soil by Horizontal Directional Drilling
OPSS.MUNI 460 Gravity and Sewer Rehabilitation by Cured-in-Place Pipe
OPSS.MUNI 462 Cement Mortar Lining of Watermains
OPSS.MUNI 463 Pipeline and Conduit Installation by Pipe Bursting
OPSS.MUNI 465 Sewer Pipeline and Culvert Rehabilitation by PVC Fold and Form Liner
OPSS.MUNI 490 Site Preparation for Pipelines, Utilities, and Associated Structures
OPSS.MUNI 491 Construction Specification for Preservation, Protection, and Reconstruction of Existing Facilities
OPSS.MUNI 492 Site Restoration following Installation of Pipelines, Utilities, and Associated Structures
OPSS.MUNI 493 Temporary Potable Water Supply Services
