Site Grading Sterling 115kv Substation

Nebraska Public Power District (DISTRICT) is soliciting bids for grading services to expand the existing Sterling 115KV Substation site near Sterling, Nebraska. o Remove rock from outside of existing fence on the north side of the substation and place in location as directed by the DISTRICT'S Inspector. o Remove vegetation and strip top 8" of soil from area being expanded. Estimated at 195 cubic yards. o Remove approximately 50'-0" of existing berm. See note 7 and "Typical Section Thru Berm" detail on DIR 492013702. o Perform grading per drawing 492013702. o Estimated cut volume is 236 cubic yards. o Estimated fill volume is 57 cubic yards. o Estimated excess cut volume excess is 179 cubic yards. o Supply and install 210 Linear feet of silt fence and 95 Linear Feet of straw bale ditch checks for erosion control per the grading plan shown on DIR 492013702. o All excess material shall be removed from site. o See DIR 490061771 for Plat of Survey. Existing fence shall remain in place during grading activity. The CONTRACTOR shall be required to attend a preconstruction meeting to be held prior to the start of the work. The CONTRACTOR shall have an updated certificate of insurance before coming on site. The grading work for the Sterling substation can start no sooner than May 1, 2023,

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Concrete Forming and Accessories, Concrete Reinforcing, Cast-in-Place Concrete, Structural Concrete, High-Performance Structural Concrete, Concrete Finishing, Specialty Placed Concrete, Precast Structural Concrete, Precast Concrete Specialties.
Division 04 -	Masonry, Unit Masonry, Concrete Form Masonry Units.
Division 05 -	Metals, Structural Metal Framing, Metal Fabrications.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection, Weather Barriers.
Division 08 -	Openings, Doors and Frames, Specialty Doors and Frames, Access Doors and Panels, Coiling Doors and Grilles, Windows, Hardware, Glazing.
Division 09 -	Finishes, Plaster and Gypsum Board, Ceilings, Flooring, Painting and Coating.
Division 10 -	Specialties, Compartments and Cubicles, Toilet, Bath, and Laundry Accessories, Safety Specialties, Emergency Aid Specialties, Fire Protection Specialties, Exterior Specialties, Security Mirrors and Domes.
Division 11 -	Equipment, Parking Control Equipment, Loading Dock Equipment, Security Equipment.
Division 13 -	Special Construction, Radiation Protection, Special Instrumentation, Seismic Instrumentation.
Division 21 -	Fire Suppression.
Division 22 -	Plumbing, Instrumentation and Control for Plumbing, Plumbing Piping, Plumbing Equipment, Plumbing Fixtures.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Power Distribution Units, Lighting, Interior Lighting, Emergency Lighting, Exit Signs, Special Purpose Lighting, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications, Audio-Video Communications.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Electronic Surveillance, Video Surveillance, Electronic Personal Protection Systems, Electronic Detection and Alarm, Fire Detection and Alarm, Radiation Detection and Alarm, Fuel-Oil Detection and Alarm.
Division 31 -	Earthwork, Grading, Earthwork Methods, Soil Treatment, Soil Stabilization.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Rigid Paving, Curbs, Gutters, Sidewalks, and Driveways, Fences and Gates, Planting, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Sanitary Sewerage Utilities, Storm Drainage Utilities, Fuel Distribution Utilities, Electrical Utilities, Electrical Utility Transmission and Distribution, Utility Substations, Utility Transformers, High-Voltage Switchgear and Protection Devices, Medium-Voltage Utility Switchgear and Protection Devices, Communications Utilities.
Division 41 -	Material Processing and Handling Equipment, Conveyors, Cranes and Hoists.
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Division 48 -	Electrical Power Generation, Common Work Results for Electrical Power Generation, Instrumentation and Control for Electrical Power Generation, Electrical Power Generation Equipment, Electrical Power Generation Testing.