Streets & Highways - Approved Revisions

In accordance with procedures adopted by the Regional Transportation Commission (RTC) on November 10, 1999 and October 14, 2004, revisions to the Uniform Standard Specifications and Drawings for the Clark County Area, will be posted to the Internet and will be effective on January 1 and July 1 of each year. If you wish to be notified of future revisions click on the "Subscribe To Page " link on this page.

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January 1, 2012 - (RTC Approved 9/8/11-1/12/12)

Click on date to view all revisions effective January 1.

Drawings

• No. 500.4 "Over 5 Years Pavement Restoration Longitudinal Cut - 60' R/W or Less" - Revision to change pavement removal limits from half-street width to lane width. (RTC Approved 9/8/11)
• No. 503 "Method B for Rigid and Flexible Pipe Trench Backfill - Paved Areas" - Revision to modify the material and compaction requirements for trenches. (RTC Approved 10/13/11)
• No. 503.1 "Method A for Flexible Pipe Trench Backfill - Paved Areas" - Revision to modify the material and compaction requirements for trenches. (RTC Approved 10/13/11)
• No. 503.2 "Method A for Rigid Pipe Trench Backfill - Paved Areas" - Revision to modify the material and compaction requirements for trenches. (RTC Approved 10/13/11)
• No. 506  "Utility Pothole Repair" - Revision to allow farmed keyhole plugs and allow keyhole repair as an optional method for roadways with right-of-way widths of 60 feet or less (RTC Approved 1/12/12 with an effective date of 1/1/12)

July 1, 2011 - (RTC Approved 2/10/11 - 06/09/11)

Click on date to view all revisions effective July 1.

Specifications

• Section 208 "Trench Excavation and Backfill" - Revision to add requirement for steel trench plates.
• Section 401 "Plantmix Bituminous Pavements-General" - Revision to update the requirements for performance grade PG76-22CC and PG64-34CC polymer modified binders.
• Section 703 "Bituminous Materials" - Revision to update the requirements for performance grade PG76-22CC and PG64-34CC polymer modified binders.

Volume I Drawings

• No. 221.1 "Channelized Median Detail for Commercial Dirveways or Intersecting Streets" - Revision to remove "ONLY" symbol from dedicated turn lanes.
• No. 234.3 "Bus Stop Placement Within Exclusive Right Turn Lane for Commercial Properties" - Revision to remove "ONLY" symbol from dedicated turn lanes.
• No. 246 "Standard Pavement Markers Added Turn Lane" - Revision to remove "ONLY" symbol from dedicated turn lanes.
• No. 246B "Pavement Marking and Signage Right Turn Lane at Minor Intersections (Arterials With Emergency/Parking Lane)" - Revision to remove "ONLY" symbol from dedicated turn lanes
• No. 246.1 "Bicycle Lane Approach to Intersection With Exclusive Right Turn Lane" - Revision to remove "ONLY" symbol from dedicated turn lanes.
• No. 246.2 "Bicycle Lane Transition to Shared Lane at Intersection" - Revision to remove "ONLY" symbol from dedicated turn lanes.

Drawings

• General re-formatting revisions to the Uniform Standard Drawings, Volume I and Volume II, to accommodate supplemental drawings and consolidate the drawings into one document. Exhibit and Cross-Reference

 

January 1, 2011 - (RTC Approved 12/9/10)

Click on date to view all revisions effective January 1.

Administrative Change (01/12/11)

• Revision to Specification Sections 106,  301, 302, 413, 501, 704, 708 and 709 to update the Interagency Quality Assurance Committee (IQAC) web site address to http://www.clarkcountynv.gov/Depts/public_works/construction_mgmt/Pages/Materials.aspx

Specifications

• Section 215 "Keyhole Pothole Excavation and Backfill" - New specification to allow for Keyhole type pothole excavation and repair.  

Volume I Drawings

• No. 421 "Storm Water Quality Management Stamp and Sign Detail" - New drawing to require marking of storm drain inlets.
• No. 506 "Utility Pothole Repair" - New drawing to allow for Keyhole type pothole excavation and repair. 

 

July 1, 2010 - (RTC Approved 4/8/10 - 6/10/10)

Click on date to view all revisions effective July 1.

Specifications

• Section 623 "Traffic Signals and Street Lighting" - Revisions to update administrative changes, formatting and intelligent transportation systems repair requirements.
• Administrative Changes - Revisions to Specifications which correct cross-references, spelling, section and sub-section numbering, etc. A summary page listing all corrections is provided. Sections 104, 106, 107, 109, 204, 208, 306, 407, 501, 505, 623, 624, 630, 685, 688, 703, 704, 705, 706, 708, 709, 714, 725, 726.

Volume I Drawings

• No. 234.1 "Typical Bus Turnout" - Revised to increase the thickness of the concrete shelter pad from 4 inches to 5 inches with 6X6 welded reinforcement.
• No. 234.2 "Typical Bus Stop Passenger Loading and Shelter Pads" - Revised to increase the thickness of the concrete shelter pad from 4 inches to 5 inches with 6X6 welded reinforcement.
• No. 234.2A "Typical Double Bus Stop Passenger Loading and Shelter Pads" - Revised to increase the thickness of the concrete shelter pad from 4 inches to 5 inches with 6X6 welded reinforcement.
• No. 506 "Service Installation, 5/8", 3/4", & 1" Meter Sizes-Improved Area" - Drawing deleted, entities have adopted UDACS. 
• No. 507 "Service Installation, 5/8", 3/4", & 1" Meter Sizes-Unimproved Area" - Drawing deleted, entities have adopted UDACS. 
• No. 508 "Service Installation, Dual 5/8", 3/4", & 1"Meter Sizes-Improved Area" - Drawing deleted, entities have adopted UDACS. 
• No. 509 "Service Installation, Dual 5/8", 3/4", & 1" Meter Sizes-Unimproved Area" - Drawing deleted, entities have adopted UDACS. 
• No. 510 "Service Installation, 1-1/2" & 2" Meter Sizes-Improved Area" - Drawing deleted, entities have adopted UDACS. 
• No. 511 "Service Installation, 1-1/2" & 2" Meter Sizes-Unimproved Area" - Drawing deleted, entities have adopted UDACS. 
• No. 512 "Thrust Block Details" - Drawing deleted, entities have adopted UDACS. 
• No. 513 "Anchor Block Details Reducer or Valve" - Drawing deleted, entities have adopted UDACS. 
• No. 514 "Blow-Off Assembly Locations" - Drawing deleted, entities have adopted UDACS. 
• No. 515 "Blow-Off Assembly 4", 6",8", & 10" Mains" - Drawing deleted, entities have adopted UDACS. 
• No. 516 "Fire Hydrant Installation" - Drawing deleted, entities have adopted UDACS. 
• No. 517 "Valve Box Installation & Adjustment" - Drawing deleted, entities have adopted UDACS. 
• No. 518 "Chlorination Requirements" - Drawing deleted, entities have adopted UDACS. 

Volume II Drawings

• No. 404.307 "Type VIII Cabinet" - Revisions to modify dimensions and reinforcing details. 
• No. 404.418 "Sign Mounting Illustration" - Revisions to sign bracket requirements. 
• No. 404.600 "Pole Drilling Details" - Revisions to dimensions for drill holes in poles.
• No. 404.903 "Louvered Backplate for 5 Section Signal Head" - Revisions to modify configuration of backplate. 
• No. 404.1307 "Typical Intersection ITS Underground Layout" - New standard drawing to clarify the placement of Intelligent Transportation System (ITS) conduits at intersections.
• No. 404.1500 "Closed Circuit Television (CTV) Camera"; "Closed Circuit Television Camera Control Unit and Cable Wiring Diagram"; "Camera Extension Pole"; "Camera Adaptor Stand" - Revisions to provide improved visibility for traffic incident monitoring and surveillance.
• No. 404.1501 "Communication Distribution Cable Assembly (CDCA) in Cabinet" - New standard drawing to show the CDCA placement detail in the cabinet.

 

January 1, 2010 - (RTC Approved 11/12/09)  

Click on date to view all revisions and administrative changes effective January 1.     

Volume I Drawings

• No. 254A  "Crosswalk Markings" - Revision to remove the City of Las Vegas exclusion.

Specifications and Volume I Drawings

• Administrative Changes - Revisions to Specifications and Drawings which correct cross-references, spelling, section and sub-section numbering, etc. A summary page listing all corrections is provided.  Specifications  104, 105, 108, 212, 501, 601,  613, 704, 707 and Volume I Drawings 234.3, 244.5, 246, 246A, 246B, 246.1, 246.2,                                                                         

July 1, 2009 - (RTC Approved 2/12/09 - 6/11/09)

Click on date to view all revisions effective July 1.

Specifications

• Sections 101-111 - Revisions to update administrative changes, formatting and minor technical changes.
• Sections 201-207 - Revisions to update administrative changes, formatting and minor technical changes.
• Section 208 “Trench Excavation and Backfill” – Revision to modify the requirements for trench backfill zones, add requirements for temporary steel plate bedding, and additional revisions to reflect current industry standards and update administrative changes, formatting and minor technical changes.
• Sections 209-213 - Revisions to update administrative changes, formatting and minor technical changes.
• Sections 301-306 - Revisions to update administrative changes, formatting and minor technical changes.
• Sections 400-495 - Revisions to update administrative changes, formatting and minor technical changes.  Section 403-2 renumbered to Section 413; Section 408-1 renumbered to Section 408; Section 408-2 renumbered to Section 412.
• Section 501 "Portland Cement Concrete" - Revisions to reflect current industry standards and formatting and minor technical changes.
• Sections 502-508 - Revisions to update administrative changes, formatting and minor technical changes.
• Sections 601-621 - Revisions to update administrative changes, formatting and minor technical changes.
• Sections 624-688 - Revisions to update administrative changes, formatting and minor technical changes.
• Section 701 "Portland Cement" - Revisions to add types of cement permitted, update current industry standards and formatting and minor technical changes.
• Sections 702-703 - Revisions to update administrative changes, formatting and minor technical changes.
• Section 704 "Base Aggregates" - Revision to add a material specification for roadway shoulders and formatting and minor technical changes.
• Section 705 "Aggregates for Bituminous Courses" - Revisions to update administrative changes, formatting and minor technical changes.
• Section 706 "Aggregates for Portland Cement Products" - Revisions to revise gradation tables and test requirements for portland cement concrete aggregates and formatting and minor technical changes.
• Sections 707-729 - Revisions to update administrative changes, formatting and minor technical changes.

Volume I Drawings

• No. 503A “Method A for Flexible Pipe Trench Backfill - Paved Areas” – DELETED, See 503AF.
• No. 503AF “Method A for Flexible Pipe Trench Backfill - Paved Areas”– Revision to clarify the requirement for the use of controlled low strength material (CLSM) (Formerly 503A).
• No. 503AB "Method A/B for Rigid Pipe Trench Backfill - Paved Areas" –  DELETED, See 503AR.
• No. 503AR “Method A for Rigid Pipe Trench Backfill - Paved Areas” – Revision to clarify the requirement for the use of controlled low strength material (CLSM) (Formerly 503AB).
• No. 503B "Method B for Rigid and Flexible Pipe Trench Backfill - Paved Areas" - Revisions to clarify the requirement for the use of Controlled Low Strength material (CLSM).
• No. 504 “Trench Backfill With Controlled Low Strength Material (CLSM) Paved Areas (Streets Greater Than 60' R/W)” -  DELETED.

 

January 1, 2009 - (RTC Approved 9/11/08 - 11/13/08)

Click on date to view all revisions effective January 1.

Specifications

• Section 623 "Traffic Signals and Street Lighting" -  Revisions to update current industry standards and remove interconnect and communications specifications. 
• Section 635 "Asbestos Cement Pipe" - Deletion of section as new installation of asbestos cement pipe is no longer permitted.

Volume I Drawings

• No. 234.1 "Typical Bus Turn-Out" - Revision to correct the dimension of sidewalk and loading pad.
• No. 234.2 "Typical Bus Stop Passenger Loading and Shelter Pads" - Revision to require that the dedication of additional right-of-way or easement for the loading pad and variable height curb at the back of sidewalk ramp be granted to the local entity.
• No. 234.2A "Typical Double Bus Stop Passenger Loading and Shelter Pads" - Revision to require that the dedication of additional right-of-way or easement for the loading pad and variable height curb at the back of sidewalk ramp be granted to the local entity.
• No. 412A "Type C-D Modified Drop Inlet" - Revision to clarify the closed lid specification.

Volume II Drawings

• No. 404.213 "Type "J" and "K" Foundations" - Revision to add a detail for cabinet conduit layout.
• No. 404.213A "Cabinet Conduit Layout Type "J" and "K" Foundations" - Addition of drawing to add a detail for cabinet conduit layout.
• No. 404.1005 "Bill of Materials Signal Assemblies" - Revision to add dogleg fitting on the B-2T assembly.
• No. 404.1024 "Signal Assemblies B-1T, B-2T, B-3T" - Revision to add dogleg fitting on the B-2T assembly.
• No. 404.1029 "Signal Assembly B-14T" - Revision to add dogleg and banding strap fittings on the B-14T assembly.

 

July 1, 2008 - (RTC Approved 3/13/08 - 6/12/08)

Click on date to view all revisions effective July 1.

Volume I Drawings

• No. 234.2 "Typical Bus Stop Passenger Loading and Shelter Pads" - Changes made to accommodate new bus shelter design and improve ADA requirements.
• No. 234.2A "Typical Double Bus Stop Passenger Loading and Shelter Pads" - Changes made to accommodate new bus shelter design and improve ADA requirements.
• No. 500AL  “0 To 5 Years Pavement Restoration Longitudinal Cut” – Addition to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group. 
• No. 500AT  “0 To 5 Years Pavement Restoration Transverse Cut” – Addition to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group. 
• No. 500BL1  “Over 5 Years Pavement Restoration Longitudinal Cut – Greater Than 60’R/W” – Addition to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group. 
• No. 500BL2  “Over 5 Years Pavement Restoration Longitudinal Cut – Greater Than 60’R/W or Less” – Addition to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group. 
• No. 500BT  “Over 5 Years Pavement Restoration Transverse All R/W Widths” – Addition to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group. 
• No. 502  “Method B For Rigid And Flexible Pipe Trench Backfill – Unpaved Areas And Areas Outside Existing  or Future Proposed Street Right-Of-Way” – DELETED 
• No. 502A  “Method A For Flexible Pipe Trench Backfill – Unpaved Areas And Areas Outside Existing or Future Proposed Street Right-Of-Way” – DELETED 
• No. 502B  “Method A For Rigid Pipe Trench Backfill – Unpaved Areas And Areas Outside Existing or Future Proposed Street Right-Of-Way” – DELETED 
• No. 503  “Method B For Rigid And Flexible Pipe Trench Backfill – Paved Areas And Areas Outside Existing or Future Proposed Street Right-Of-Way” – DELETED 
• No. 503A  “Method For Flexible Pipe Trench Backfill – Paved Areas” – Revision to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group.  
• No. 503B  “Method For Rigid And Flexible Pipe Trench Backfill – Paved Areas” – Revision to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group.  
• No. 503AB  “Method For Rigid Pipe Trench Backfill – Paved Areas” – Addition to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group. 
• No. 504  “Trench Backfill with Controlled Low Strength Material (CLSM) Above Pipe Zone In Paved Areas (Streets Greater than 60’ R/W)” – Revision to incorporate new Standards from the Recommendations of the recent pavements cut study and trench working group.

Volume II Drawings

• No. 404.132 ""P30" Pull Box (For Use in Interconnect and ITS Communication Installations)" - Changes made to accommodate the requirements of FAST.
• No. 404.133 "Type 200 Vault (For Use at Fiber Optic Splice Points)" - Changes made to accommodate the requirements of FAST.
• No. 404.142 "ITS Communication Conduit and Pull Box Detail (For Existing Curb & Gutter)" - Changes made to accommodate the requirements of FAST.
• No. 404.143 "Pull Box Concrete Collar in Undeveloped Areas" - New drawing to accommodate the requirements of FAST.
• No. 404.144 "ITS Communication Conduit and Pull Box Detail Installed Under New Sidewalk" - New drawing to accommodate the requirements of FAST.

 

January 1 , 2008 - (RTC Approved 7/12/07 - 11/8/07)

Click on date to view all revisions effective January 1.

Specifications

• Section 101 “Abbreviations” – Deletion of subsection 101.01 to create list of acronyms which can be updated without the requirement of Commission approval. Acronyms Page.
• Section 601 “Pipe Culverts – General” – Revision to reference video inspection standards of the National Association of Sewer Services Companies (NASSCO) Pipeline Assessment and Certificate Program and clarify plans sheet reference in measurements.
• Section 603 “Reinforced Concrete Pipe” – Revision to clarify the size limit or tolerance of cracks in concrete pipe and correct gasketed joints.
• Section 680 “Fiber Optic Cable” – Revision to clarify fiber optics and equipment specifications.
• Section 681 “Fiber Optic Splice & Distribution Equipment” – Revision to clarify fiber optics and equipment specifications.
• Section 682 “Fiber Optic Transceiver” – Revision to clarify fiber optics and equipment specifications.
• Section 683 “Video Optical Transceiver with Bi-Directional Data Channel” – Revision to clarify fiber optics and equipment specifications.
• Section 684  “Layer 2 Field-Hardened Ethernet Switch” – Revision to clarify fiber optics and equipment specifications.
• Section 685 “Video Encoder” – Revision to clarify fiber optics and equipment specifications.
• Section 686 “Video Decoder” – Revision to clarify fiber optics and equipment specifications.
• Section 687 “Closed Circuit Television (CCTV) Field Equipment” – Revision to clarify fiber optics and equipment specifications.
• Section 688 “Remote Data Radio Communication System” – Revision to clarify fiber optics and equipment specifications.

Volume I Drawings

• No. 235 (Sheet 1 of 4) “Sidewalk Ramp Case I” – Revision to add ‘Paired Ramp in Curb Return’ to comply with current American with Disabilities Act (ADA) requirements. Reference notes corrected 1/8/08
• No. 256.4 “Shared Use Path Crossing 6 Lane Roadway” – Revision to reduce the 504 feet of restricted crossing to 100 feet for improved access management.
• No. 303 “Streetlight Locations at Intersections 100’ or Greater/60’ Right-of-Way (Except Clark County)” – Revision to correct editorial error in the pole location table.
• No. 304 “Streetlight Locations at Intersections 100’ or Greater/51’ or less Right-of-Way (Except Clark County)” – Revision to correct editorial error in the pole location table.
• No. 504 “Trench Backfill with Controlled Low Strength Material (CLSM) Paved Areas (Streets Greater than 60’ R/W)” – Revision to clarify the cross section of the permanent asphalt patch.

Volume II Drawings

• No. 404.1500

Sheet 1 - “Closed Circuit Television Camera” – Addition to create a standard detail for the Closed Circuit Television Camera.

Sheet 2 - “Closed Circuit Television Camera Control Unit and Cable Wiring Diagram” – Addition to create a standard detail for the Closed Circuit Television Camera.

Sheet 3 - “Camera Adaptors Stand” – Addition to create a standard detail for the Closed Circuit Television Camera.

 

 

 

 

 

 

 

 

 

 

 

 

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