NAVFAC Design-Build RFP Uniformat Structure

Uniformat II / Work Breakdown Structure

Section G - Building Sitework

Unf L1 Unf L2 Unf L3 WBS L4 Definition E UOM M UOM Quantity Definition WBS Ref No
G BUILDING SITEWORK ACR Hectare Total area of site  
        Building sitework includes site preparations, site improvements, site civil/mechanical utilities, site electrical utilities, service and pedestrian tunnels, and other site construction, such as bridges, and railroad spurs.        
  G10 SITE PREPARATIONS ACR Hectare Total area of site  
        This system includes assemblies for miscellaneous sitework such as clearing and grubbing, demolition and relocation, various earthwork tasks, and other site preparation and cleanup requirements. Hazardous cleanup is not included but is the subject of another WBS.       17

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    G1010 SITE CLEARING ACR Hectare Area to be cleared  
        This covers the different assemblies and options available for clearing of a site, tree and stump removal, burning, grubbing, chipping, and load and haul assemblies for removal of the cleared material.       1701
      G101001 CLEARING ACR Hectare Area to be cleared  
        This is the removal of above ground vegetation including stumps. For a wet site, Low Ground Pressure (LGP) equipment is used.       170101
      G101002 TREE REMOVAL EA EA Number of trees to be removed  
        This is the selective removal of trees on the site. Various options exist for different sizes of trees to be removed.       170102
      G101003 STUMP REMOVAL EA EA Number of stumps to be removed  
        This is the selective removal of stumps on the site. Various options exist for different sizes of stumps to be removed.       170103
      G101004 GRUBBING ACR Hectare Area to be grubbed  
        Grubbing is the removal of sod and other topsoil that contains unsuitable organic material. Various equipment types and size choices are available. Wet grubbing utilizes Low Ground Pressure (LGP) equipment. Haul-off of grubbed material is also included.       170105
      G101005 SELECTIVE THINNING ACR Hectare Area to be thinned  
        This is the selective removal of trees and underbrush without requiring extensive clearing and/or grubbing of the site.       170106
      G101006 DEBRIS DISPOSAL CY M3 Volume of material  
        This is the disposal of the material that has been cleared and grubbed. Loading, hauling, and dump charges are included.       170107
      G101090 OTHER SITE CLEARING XX XX    
        Site clearing not described by the assembly categories listed above.       17019X

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    G1020 SITE DEMOLITION & RELOCATIONS SY M2 Area to be demolished  
        This includes the demolition and/or relocation of structures, pavements, fencing, and underground utilities. Disposal of debris or demolished material, including loading and hauling, is also included.       1702
      G102001 BUILDING MASS DEMOLITION CF M3 Interior volume of building  
        This is the complete demolition of buildings or structures. Options include steel, concrete, masonry, and wood structures.       170201
      G102002 ABOVE GROUND SITE DEMOLITION SY M2 Area to be demolished  
        This is the demolition of pavements, fencing, and other non-building structures on a site. Pavement include roads, sidewalks, driveways, and curbs. Fencing types include chain link, barbed wire, and wood. This can also include removal and disposal of above ground storage tanks, including tank contents, associated piping, etc.       170202
      G102003 UNDERGROUND SITE DEMOLITION SY M2 Area to be demolished  
        This is the demolition of underground utilities such as piping, manholes, and other non-building underground structures. The unit of measure at the assembly level for piping is LF and for manholes is CY. This can also include removal and disposal of under ground storage tanks, including tank contents, associated piping, etc.       170203
      G102004 BUILDING RELOCATION SF M2 Area of building to be relocated  
        This is the process of dismantling a structure, and reassembling it on a different site.       170205
      G102005 UTILITY RELOCATION LF M Length of pipe run  
        To remove and reset. This is the removal and relocation of underground utilities such as steel and concrete pipe.       170206
      G102006 FENCING RELOCATION LF M Length of fencing  
                170207
      G102007 SITE CLEANUP SY M2 Area of site to clean  
        Covered in this assembly category are items for site and area cleanup and pavement sweeping. Disposal of the debris is also included.       170401
      G102090 OTHER SITE DEMOLITION & RELOCATIONS XX XX    
        Site demolition and relocation not described by the assembly categories listed above.       17029X

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    G1030 SITE EARTHWORK CY M3 Volume of material  
        Included are assemblies and options for site work such as grading, excavation, filling, compaction, stabilization, etc.       1703
      G103001 GRADING SY M2 Area to be graded  
        Grading is leveling or flattening of the site in preparation for landscaping or other site construction. Includes unlined stormwater collection ponds.       170301
      G103002 COMMON EXCAVATION CY M3 Volume of material to be excavated  
        This is excavation for roads, sidewalks, curbs, and trenching for underground utilities. Excavation may be carried out by a variety of equipment sizes and types. Disposal of the excavated material is also included.       170302
      G103003 ROCK EXCAVATION CY M3 Volume of rock to be excavated  
        This is excavation of rock by explosives. Different equipment selections and load and haul are included.       170303
      G103004 FILL & BORROW CY M3 Volume of material to place  
        This is filling or replacing the material that was removed during excavation. Either the excavated material may be used or soil and sand may be hauled in from off-site. Filling to basements and foundations is not included in the subsystem.       170304
      G103005 COMPACTION CY M3 Volume of material to compact  
        Compaction is the process of packing the fill material once it is in place. This may be done by machine or hand. Assemblies exist for both hand and machine compaction of soil, sand, and the excavated material.       170305
      G103006 SOIL STABILIZATION CY M3 Volume of soil to stabilize  
        This is stabilization of the soil-in-place by the addition of lime or cement.       170306
      G103007 SLOPE STABILIZATION SY M2 Area of slope  
        This is stabilization of the soil-in-place through the use of rip rap, gabions, slope paving, or other forms of soil armoring.       170307
      G103008 SOIL TREATMENT SY M2 Area of soil to treat  
        Treatment of soil prior to final construction for insect protection or other purposes.       170308
      G103009 SHORING SF M2 Area requiring shoring  
        Shoring is the temporary support for existing structures or excavation during construction.       170309
      G103010 TEMPORARY DEWATERING SY M2 Area to dewater  
        This is the dewatering of the site by wellpoints to lower the groundwater table. This will facilitate excavation in areas with high water tables.       170310
      G103011 TEMPORARY EROSION & SEDIMENT CONTROL SF M2 Area to be protected  
        Interim measures to minimize erosion during construction.       170311
      G103090 OTHER SITE EARTHWORK XX XX    
        Site earthwork not described by the assembly categories listed above.       17039X

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    G1040 HAZARDOUS WASTE REMEDIATION LS LS    
        Hazardous waste remediation, removal, disaposal and restoration of contaminated soil and/or groundwater.        
      G104001 REMOVAL OF CONTAMINATED SOIL CY M3 Volume of contaminated soil  
      G104002 SOIL RESTORATION AND TREATMENT CY M3 Volume of soil  
      G104090 OTHER HAZARDOUS WASTE REMEDIATION XX XX    
        Hazardous waste remediation not described by the assembly categories listed above.        

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  G20 SITE IMPROVEMENTS LS LS   18
        This includes improvements such as parking lots, sidewalks, roadways, fencing, retaining walls, and landscaping.        

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    G2010 ROADWAYS SY M2 Area of roadway 1801
        This subsystem includes options for access, arterial, or interstate roadways. A variety of pavement types and thickness are available.        
      G201001 BASES & SUBBASES SY M2 Area of roadway 180101
        These are the compacted and prepared gravel or soil layers that are placed prior to the installation of the final surface. The subbase is placed and compacted before the base layer is applied.        
      G201002 CURBS & GUTTERS LF M Length of drainage pipe  
        This is the drainage system for the selected roadway type. Options include curb and gutter drains or area drains with grates.        
      G201003 PAVED SURFACES SY M2 Area of roadway 180103
        This is material that is placed atop the base layer to provide the driving surface.        
      G201004 MARKING & SIGNAGE SY M2 Area of roadway 180104
        This includes roadway signage and pavement painting. Assemblies are included for traffic signs and posts and intersection, crosswalk, or other pavement painting or striping.        
      G201005 GUARDRAILS & BARRIERS LF M Length of guardrail or barrier 180105
        This is any associated guardrails or barriers that are required for the selected roadway type.        
      G201006 RESURFACING SY M2 Area of roadway 180106
        This is the placement of an asphalt wearing course over the existing pavement surface. Assemblies exist for resurfacing of gravel, concrete, and asphalt roadways.        
      G201090 OTHER ROADWAYS XX XX   18019X
        Roadways not described by the assembly categories listed above.        

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    G2020 PARKING LOTS EA EA Number of spaces 1802
        These are the areas required of vehicles parking and include different surfaces and drainage options.        
      G202001 BASES & SUBBASES SY M2 Area of parking lot 180201
        These are the compacted and prepared gravel or soil layers that are placed prior to the installation of the final surface. The subbase is placed and compacted before the base layer is applied.        
      G202002 CURBS & GUTTERS LF M Length of curbs & gutters  
        This is the curb and gutter drains or area drains with grates.        
      G202003 PAVED SURFACES SY M2 Area of parking lot 180203
        This is material that is placed atop the base layer to provide the driving surface.        
      G202004 MARKING & SIGNAGE EA EA Number of spaces 180205
        This includes painting of the parking stalls, signage, etc.        
      G202005 GUARDRAILS & BARRIERS LF M Length of guardrail or barrier 180205
        Guardrails, barriers, parking stops and other similar devices.        
      G202006 RESURFACING SY M2 Area of parking lot 180206
        This is the placement of an asphalt wearing course over the existing parking surface.        
      G202007 MISCELLANEOUS STRUCTURES AND EQUIPMENT EA EA Number of structures or equipment  
      G202090 OTHER PARKING LOTS XX XX   18029X
        Parking areas not described by the assembly categories listed above.        

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    G2030 PEDESTRIAN PAVING SY M2 Area of pavement 1803
        This subsystem includes options for sidewalks and other small paved areas.        
      G203001 BASES & SUBBASES SY M2 Area of pavement 180301
        These are the compacted and prepared gravel or soil layers that are placed prior to the installation of the final surface. The subbase is placed and compacted before the base layer is applied.        
      G203002 CURBS & GUTTERS LF M Length of curbs & gutters  
        This is the curb and gutter drains or area drains with grates.        
      G203003 PAVED SURFACES SY M2 Area of pavement 180303
        This is material that is placed atop the base layer to provide the walking or driving surface.        
      G203004 GUARDRAILS & BARRIERS LF M Length of guardrail or barrier 180304
        This is any associated guardrails or barriers that are required.        
      G203005 RESURFACING SY M2 Area of pavement 180305
        This is the placement of an asphalt wearing course over the existing pavement surface.        
      G203090 OTHER WALKS, STEPS & TERRACES XX XX   18039X
        Walks, steps, ramps, terraces not described by the assembly categories listed above.        

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    G2040 SITE DEVELOPMENT EA EA Each Structure 1804
        Included are assemblies for on-site construction of fences, retaining walls, playing fields, fountains, and other site improvements.        
      G204001 FENCING & GATES LF M Length of fence 180401
        This includes installation or construction of security, boundary, or barbed wire fencing and all required gates.        
      G204002 RETAINING WALLS AND FREESTANDING WALLS SY M2 Area of wall 180402
        These are structures used to prevent the flow or lateral movement of soil. Assemblies exist for cast-in-place concrete retaining walls.        
      G204003 EXTERIOR FURNISHINGS EA EA Number of furnishings 180403
        This includes the addition of such exterior furnishings as benches, planters, etc.        
      G204004 SECURITY STRUCTURES EA EA Number of security structures 180404
        This includes the construction or addition of security structures such as guard houses.        
      G204005 SIGNAGE EA EA Number of signs 180405
        Signs displayed to convey direction or information such as building function or tenant except for signs included in G201004 and G202004.        
      G204006 FOUNTAINS & POOLS EA EA Number of fountains or pools 180406
        This includes assemblies for swimming pools and decorative fountains.        
      G204007 PLAYING FIELDS EA EA Number of playing fields 180407
        Playing fields such as baseball or tennis courts as well as back stops, bleachers, and other playing field requirements are included.        
      G204008 TERRACE AND PERIMETER WALLS SY M2 Area of wall  
      G204009 FLAGPOLES EA EA Number of flagpoles  
      G204090 OTHER SITE IMPROVEMENTS XX XX   1804
        This includes any other miscellaneous structures, such as a car wash, banking system, and theatre equipment located on the site.        

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    G2050 LANDSCAPING SY M2 Area to be landscaped 1805
        Assemblies are included that improve the appearance of the site by planting, seeding, and sodding.        
      G205001 FINE GRADING & SOIL PREPARATION SY M2 Area of site 180501
        Fine grading of the site by hand or machine is required to prepare the soil for planting, seeding, or sodding.        
      G205002 EROSION CONTROL MEASURES SY M2 Area of erosion 180502
        Soil erosion or deterioration due to wind, rain or other factors can be controlled or remedied in different ways. This includes slope protection by planting or vegetation or grass and/or placement of manmade geotextiles.        
      G205003 TOPSOIL & PLANTING BEDS SY M2 Area of planting bed 180503
        Topsoil is placed to provide the nutritious soil bed which is required for plants or grass to grow.        
      G205004 SEEDING, SPRIGGING AND SODDING SY M2 Area of site 180504
        This includes the seeding, sodding, fertilizing, watering, and mowing for the grass required on site.        
      G205005 PLANTINGS EA EA Number of plants 180505
        This includes the planting of trees, shrubs, and other vegetation for site beautification or improvement.        
      G205006 PLANTERS EA EA Number of planters 180506
        Planters are exterior decorative containers that contain plants or trees.        
      G205007 IRRIGATION SYSTEMS SY M2 Area of site to be watered 180507
        This includes the installation of underground irrigation systems required for watering of trees, shrubs, and grass or other vegetation.        
      G205090 OTHER LANDSCAPING XX XX   18059X
        Landscaping not described by the assembly categories listed above.        

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    G2060 AIRFIELD PAVING SY M2 Area of paving  
        Aircraft parking apron and runway paving.        
      G206001 AIRFIELD PAVING CONSTRUCTION SY M2 Area of paving  
      G206002 OTHER PAVING SY M2 Area of paving  
      G206003 JOINTS AND ANCHORAGE SY M2 Area of paving  
      G206004 NAVIGATION AIDS LS LS    
      G206005 AIRFIELD MARKINGS LS LS    

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  G30 SITE CIVIL/MECHANICAL UTILITIES EA EA Each utility  
        Site mechanical utilities includes water supply, sanitary sewer, storm sewer, heating distribution, cooling distribution, fuel distribution, and other site mechanical utilities, such as industrial waste systems.        

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    G3010 WATER SUPPLY LF M Length of system 1901
        This includes installation or construction of water distribution systems and facilities.        
      G301001 WELL SYSTEMS EA EA Each system 190101
        This includes all the components necessary to install a well, including drilling, installing casings, pumps, valves, etc.        
      G301002 POTABLE WATER DISTRIBUTION LF M Length of system 190102
        This includes construction and installation of underground piping, valve boxes, and valves.        
      G301003 POTABLE WATER STORAGE GAL GAL Amount stored 190103
        This includes construction and installation of tanks, both at grade and elevated.        
      G301004 FIRE PROTECTION WATER DISTRIBUTION LF M Length of system 190104
        This includes construction and installation of dedicated water piping for fire protection system only. This does not include potable water distribution systems that are used as a water source for fire protection systems.        
      G301005 FIRE PROTECTION WATER STORAGE GAL GAL Amount stored 190105
        This includes tanks on grade and elevated for storage of water for fire protection only.        
      G301006 NON-POTABLE WATER DISTRIBUTION LF M Length of system 190106
        This includes construction and installation of water distribution system not for consumption, such as irrigation or hydro-electric power generation and from reservoirs to treatment facilities.        
      G301007 PUMPING STATIONS GPM L/S Operating capacity 190107
        This includes construction and installation of pumps, valves, and piping.        
      G301008 PACKAGED WATER TREATMENT PLANTS GPD GPD Operating capacity 190108
        This includes installation of completely assembled water treatment plants.        
      G301090 OTHER WATER SUPPLY XX XX   19019X
        Water supply not described by the assembly categories listed above.        

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    G3020 SANITARY SEWER LF M Length of system 1902
        This includes all assemblies necessary for sewage collection systems.        
      G302001 SANITARY SEWER PIPING LF M Length of piping 190201
        This includes installation of piping for collection of sewage.        
      G302002 SANITARY SEWER MANHOLES & CLEANOUTS EA EA Each manhole or cleanout 190202
        This includes construction and installation of manholes and cleanouts in sewage collection systems.        
      G302003 LIFT STATIONS AND PUMPING STATIONS GPM L/S Operating capacity 190203
        This includes construction and installation of piping and equipment in lift stations.        
      G302004 PACKAGED SANITARY SEWER TREATMENT PLANTS GPD L/S Operating capacity 190204
        This includes installation of pre-assembled sewage treatment plants.        
      G302005 SEPTIC TANKS GAL L Volume of tank 190205
        This includes installation of prefabricated septic tanks or the construction of septic tanks.        
      G302006 DRAIN FIELDS LF M Length of field 190206
        This includes installation of drain fields for disposal of effluent from septic tanks.        
      G302090 OTHER SANITARY SEWER XX XX   19029X
        Sanitary sewers not described by the assembly categories listed above.        

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    G3030 STORM SEWER LF M Length of system 1903
        This includes construction of storm water collection systems.        
      G303001 STORM SEWER PIPING LF M Length of piping 190301
        This includes installation of piping for collection of storm water.        
      G303002 STORM SEWER STRUCTURES EA EA Each manhole or cleanout  
        This includes construction and installation of manholes for storm water collection systems.        
      G303003 LIFT STATIONS GPM L/S Operating capacity 190303
        This includes construction of lift stations including piping, pumps, and controls.        
      G303004 CULVERTS LF M Length of culvert 190305
        This includes construction and installation of culverts for storm water systems.        
      G303005 HEADWALLS EA EA Each structure 190305
        This includes construction of headwalls and installation of catch basins for storm water systems.        
      G303006 EROSION & SEDIMENT CONTROL MEASURES SY M2 Area to control 190306
        This includes construction to control erosion due to runoff.        
      G303007 STORMWATER MANAGEMENT GAL GAL Volume of collection area  
      G303090 OTHER STORM SEWER XX XX   19039X
        Storm sewers not described by the assembly categories listed above.        

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    G3040 HEATING DISTRIBUTION LF M Length of system 1905
        This includes overhead and underground hot water, steam, and condensate piping.        
      G304001 OVERHEAD HOT WATER SYSTEMS LF M Length of system 190501
        This includes installation of overhead hot water supply and return piping.        
      G304002 OVERHEAD STEAM SYSTEMS LF M Length of system 190502
        This includes installation of overhead steam supply and condensate return piping.        
      G304003 UNDERGROUND HOT WATER SYSTEMS LF M Length of system 190503
        This includes installation of underground hot water supply and return piping.        
      G304004 UNDERGROUND STEAM DISTRIBUTION SYSTEMS LF M Length of system 190504
        This includes installation of underground steam supply and condensate return piping.        
      G304005 REINFORCED CONCRETE MANHOLES & VALVE BOXES EA EA Each structure  
        This includes installation of prefabricated trench boxes for shoring during installation of piping.        
      G304006 PUMPING STATIONS EA EA Each pumping station  
      G304090 OTHER HEATING DISTRIBUTION XX XX   19059X
        Heating distribution not described by the assembly categories listed above.        

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    G3050 COOLING DISTRIBUTION LF M Length of system 1906
        This includes construction and installation of chilled water distribution systems.        
      G305001 OVERHEAD COOLING SYSTEMS LF M Length of system 190601
        This includes installation of overhead chilled water supply and return piping.        
      G305002 UNDERGROUND COOLING SYSTEMS LF M Length of system 190602
        This includes installation of underground chilled water supply and return piping.        
      G305003 TRENCHBOXES LF M Length of trench 190603
        This includes installation of prefabricated trench boxes for shoring during installation of piping.        
      G305004 WELLS FOR COOLING EA EA Each well  
      G305005 PUMPING STATIONS EA EA Each pumping station  
      G305006 ON-SITE COOLING TOWERS EA EA Each cooling tower  
      G305090 OTHER COOLING DISTRIBUTION XX XX   19069X
        Cooling distribution not described by the assembly categories listed above.        

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    G3060 FUEL DISTRIBUTION GAL L Volume of storage tank 1908
        This includes installation of piping and storage tanks for building and aviation fuels.        
      G306001 LIQUID FUEL DISTRIBUTION PIPING SYSTEM LF M Length of piping 190801
        This includes installation of piping for fuel and oil distribution. This includes equipment related to piping, system leak detection and tightness testing.        
      G306002 AVIATION FUEL DISTRIBUTION PIPING SYSTEM LF M Length of piping 190801
        This includes installation of piping for aviation fuel distribution and equipment related to the piping. This also includes system leak detection and tightness testing.        
      G306003 LIQUID FUEL STORAGE TANKS GAL L Volume of storage tank 190801
        This includes installation of buried or above ground fuel tanks relating to liquid fuel or aviation systems.        
      G306004 LIQUID FUEL DISPENSING EQUIPMENT EA EA Each piece of equipment 190803
        This includes equipment relating to liquid fuel and aviation systems.        
      G306005 LIQUID FUEL SYSTEM TRENCHBOXES LF M Length of trench 190802
        This includes installation of prefabricated trench boxes for shoring during installation of piping.        
      G306006 GAS DISTRIBUTION PIPING (NATURAL AND PROPANE) LF M Length of piping  
        This includes piping for distribution of natural or propane gas.        
      G306007 GAS STORAGE TANKS GAL L Volume of storage tank  
        This includes installation of tanks for natural or propane gas.        
      G306008 GAS SYSTEM TRENCHBOXES LF M Length of trench  
        This includes installation of prefabricated trench boxes for shoring during installation of piping.        
      G306009 OTHER GAS DISTRIBUTION XX XX    
        Gas distribution not described by the assembly categories listed above.        
      G306090 OTHER FUEL DISTRIBUTION XX XX   19089X
        Fuel not described by the assembly categories listed above.        

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    G3090 OTHER SITE MECHANICAL UTILITIES LF M Length of system 1904
        This includes all systems for collection of contaminated waste requiring special treatment.        
      G309001 INDUSTRIAL WASTE PIPE LF M Length of piping 190401
        This includes construction and installation of all piping for collection of industrial waste.        
      G309002 INDUSTRIAL WASTE MANHOLES & CLEANOUTS EA EA Each manhole or cleanout 190402
        This includes construction of manholes and cleanouts for industrial waste.        
      G309003 INDUSTRIAL WASTE LIFT STATIONS GPM L/S Operating capacity 190403
        This includes construction and installation of industrial waste lift stations and equipment.        
      G309004 INDUSTRIAL WASTE HOLDING TANKS & SEPARATORS EA EA Number of tanks 190404
        This includes construction or installation of special tanks such as silver recovery tanks or separators such as oil water separators.        
      G309005 INDUSTRIAL WASTE TRENCHBOXES LF M Length of trench 190405
        This includes installation of prefabricated trench boxes for shoring during installation of piping.        
      G309090 OTHER INDUSTRIAL WASTE XX XX   19049X
        Industrial waste not described by the assembly categories listed above, such as petroleum oil and lubricant distribution systems.        

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  G40 SITE ELECTRICAL UTILITIES EA EA Systems total 20
        This system includes exterior electrical systems and equipment including substations, overhead and underground distribution systems, metering systems and equipment, exterior lighting, lightning protection systems, communication and alarm systems, and cathodic protection.        

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    G4010 ELECTRICAL DISTRIBUTION KVA KVA Total rated capacity  
        Electrical distribution includes the following: substations; transformers; switches, controls and devices; overhead electric conductors; towers, poles, crossarms and insulators; underground electric conductors; ductbanks, manholes, handholes and raceways; grounding systems; and metering.        
      G401001 SUBSTATIONS KVA KVA Total rated capacity 2001
        This system includes substation equipment and materials required from the primary power source.        
      G401002 TRANSFORMERS KVA KVA Total rated capacity 200101
        Electrical power transformers used in conjunction with electrical substations. May include pole/tower or pad-mounted transformers located outside the building.        
      G401003 SWITCHES, CONTROLS & DEVICES EA EA Number of separate components 200102
        Includes all components of switchgear, voltage regulators and busbars used with electrical substations.        
      G401004 OVERHEAD ELECTRIC CONDUCTORS LF M Length of conductor 200103
        Includes conductors used in conjunction with substations.        
      G401005 TOWERS, POLES, CROSSARMS & INSULATORS EA EA Number of towers and poles 200104
        Towers, poles, crossarms, and insulators used in conjunction with substations.        
      G401006 UNDERGROUND ELECTRIC CONDUCTORS LF M Length of conductor 200105
        Includes conductors used in conjunction with substations.        
      G401007 DUCTBANKS, MANHOLES, HANDHOLES & RACEWAYS EA EA Number of ductbanks and access points 200106
        Components used in conjunction with electrical substations.        
      G401008 GROUNDING SYSTEMS EA EA Number of systems 200108
        Grounding systems used in conjunction with substations. Grounding systems for buildings, power distribution, and other electrical systems and subsystems are included with those other systems.        
      G401009 METERING EA EA Number of meters 200208
        Includes components used in conjunction with exterior electrical distribution.        
      G401010 CATHODIC PROTECTION EA EA Each system  
        Includes a system used in conjunction with exterior electrical distribution for corrosion control.        
      G401011 EQUIPMENT REQUIREMENTS FOR COASTAL AND HIGH HUMIDITY AREAS XX XX   0
      G401090 OTHER ELECTRIC TRANSMISSION & DISTRIBUTION XX XX   20019X
        Substations not described by the assembly categories listed above.        

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    G4020 SITE LIGHTING LF M Length of distribution 2003
        Exterior electrical lighting systems including conductors, switches, controls and other devices, supporting structures, grounding systems, and all other equipment required to support a lighting system.        
      G402001 EXTERIOR LIGHTING FIXTURES & CONTROLS EA EA Number of fixtures 200301
        Includes fixtures, controls, and all components used in conjunction with exterior lighting.        
      G402002 SPECIAL SECURITY LIGHTING SYSTEMS EA EA Number of systems 200302
        Includes all components used for special security lighting.        
      G402003 OTHER AREA LIGHTING EA EA Number of fixtures 200303
        Includes components and equipment used for area lighting.        
      G402004 LIGHTING POLES EA EA Number of towers and poles 200304
        Poles used to support lighting fixtures and support equipment.        
      G402005 UNDERGROUND ELECTRIC CONDUCTORS LF M Length of conductor 200305
        Includes conductors for underground electrical distribution to lighting systems.        
      G402006 DUCTBANKS, MANHOLES & HANDHOLES EA EA Number of ductbanks and access points 200306
        Includes all components used in conjunction with exterior lighting.        
      G402007 GROUNDING SYSTEMS EA EA Number of systems 200307
        Grounding systems used in conjunction with exterior lighting.        

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    G4030 SITE COMMUNICATION AND SECURITY LF M Length of distribution 2004
        This system includes cables, ductbanks, manholes, and all other equipment required to support exterior communication and alarm systems.        
      G403001 TELECOMMUNICATIONS SYSTEMS LF M Length of distribution 200401
        Includes all components, cables, and equipment used in conjunction with exterior telephone systems.        
      G403002 CABLE TV SYSTEMS (CATV) LF M Length of distribution 200502
        Includes all components, cables, and equipment used in conjunction with exterior cable TV systems.        
      G403003 CABLES & WIRING LF M Length of conductor 200503
        Includes cables, wiring, and equipment used in conjunction with exterior security systems.        
      G403004 DUCTBANKS, MANHOLES & HANDHOLES EA EA Number of ductbanks and access points 200504
        Includes ductbank, manholes, and handholes used in conjunction with exterior security systems.        
      G403005 TOWERS, POLES & STANDS EA EA Number of towers, poles and stands 200505
        Includes towers, poles, stands, and equipment used in conjunction with exterior security systems.        
      G403006 TV CAMERAS & MONITORS EA EA Number of cameras and monitors 180601
        Includes cameras, monitors, and components used in conjunction with exterior security systems.        
      G403007 ELECTRONIC SECURITY SYSTEMS (ESS) EA EA Number of systems 200505
        Includes components and systems used in conjunction with exterior security systems.        
      G403008 OTHER COMMUNICATION & ALARM XX XX   20049X
        Includes all components, cables, and equipment used in conjunction with other special communication and alarm systems not defined above.        
      G403009 GROUNDING SYSTEMS EA EA Number of systems 200404
        Includes grounding systems used in conjunction with exterior security systems.        
      G403090 OTHER SECURITY SYSTEMS XX XX   20059X
        Includes all components and equipment used in conjunction with special security systems not defined above.        

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    G4090 OTHER SITE ELECTRICAL UTILITIES LF M Length of conductor  
        This system includes alternate energy sources. This system also includes sacrificial anodes, induced current conductors, and components used in conjunction with cathodic protection.        
      G409001 SACRIFICIAL ANODE CATHODIC PROTECTION SYSTEM EA EA Number of anodes 20601
        Includes all components required in conjunction with sacrificial anode system.        
      G409002 INDUCED CURRENT CATHODIC PROTECTION SYSTEM LF M Length of conductor 20602
        Includes conductors and termination required for cathodic protection.        
      G409003 EMERGENCY POWER GENERATION KVA KVA Total rated capacity  
      G409090 OTHER CATHODIC PROTECTION XX XX   2069X
        Includes components and equipment used in conjunction with other cathodic protection systems not defined above.        
                 

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  G90 OTHER SITE CONSTRUCTION LS LS    
        Other site construction includes service and pedestrian tunnels, bridges, railroad spurs, and snow melting systems.        

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    G9010 SERVICE AND PEDESTRIAN TUNNELS XX XX    
        This assembly includes service and pedestrian tunnels.        
      G901001 CONSTRUCTION OF SERVICE AND PEDESTRIAN TUNNELS LF M Length of tunnel  
        This assembly includes construction of service and pedestrian tunnels.        
      G901002 PREFABRICATED SERVICE AND PEDESTRIAN TUNNELS LF M Length of tunnel  
        This assembly includes prefabricated service and pedestrian tunnels.        

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    G9090 OTHER SITE CONSTRUCTION XX XX    
        Other site construction includes bridges, railroad spurs and snow melting systems.        
      G909001 BRIDGES SY M2 Area of structure 180601
        Bridges included here are typically small spans or overpasses that are not meant to be used to estimate spans over large bodies of water. Options exist for cast-in-place concrete T-beam, precast I-beam, precast box, concrete and steel composite, laminated timber deck bridge structures.        
      G909002 RAILROAD SPURS LF M Length of track 180602
        Railroad assemblies exist for 110, 115, and 132 lb. tracks and ties. Turnouts, roadway crossings, derailleurs, stops, and bumpers are also included.        
      G909003 SNOW MELTING SYSTEMS EA EA Number of systems  
      G909090 OTHER SPECIAL CONSTRUCTION XX XX   18069X
        Any special construction not covered in the above categories.        

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