01-_Colfax_Rail_SOW_rev.pdf
PDF 254 KB Posted
- Solicitation number
- IFB 226DR014
- Issued by
- Denver County, Colorado
About this file
This is a Scope of Work document prepared by the Regional Transportation District (RTD) in Denver, Colorado, for the procurement of track materials to replace a curved section of existing light rail track under the Colfax bridge near the Auraria West Station. The project requires the supply of pre-curved running rail and restraining rail for two curves (TAC2 and TBC3, including spirals), along with four insulated joint kits for single rail and four for double rail. All materials must be new premium or standard high strength 115 RE steel rail conforming to AREMA Chapter 4, Part 2, Section 2.1 specifications. Running rail shall extend 20 feet past the end of the restraining rail and be shop curved with 1-inch gaps for field welding. Restraining rail shall extend 10 feet past the curve end with a 2-inch flangeway and separator block assemblies at 4-foot maximum centers. Bidders must submit shop drawings to RTD within 60 days of Notice to Proceed, with RTD approval required within 15 days of submission. All track materials must be delivered to the CML Yard at 1721 W. Colfax Avenue, Denver, Colorado no later than December 31, 2026.
All pricing must be quoted as a firm, FOB price to the Regional Transportation District at the CML Storage Yard location. The bid covers track materials only and specifically excludes systems and signals cabling, rail weld kits, and ballast. Insulated joint kits must be sourced from approved manufacturers including Alleghey Rail Products, Inc., American Track Systems, Inc., Portec Inc., or Railway Bonded Insulated Joints, or an approved equal, and shall include complete kits with adhesives, bars, washers, bolts, and collars for field assembly. Joint bars must be 36-inch long, 6-hole bars with 1-inch huckbolts of A325 or Grade 8 structural steel. The contractor is responsible for match-drilling running rail in the field, while restraining rail shall be shop drilled for separator block assemblies and insulated joints with 3/8-inch end posts.
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Other files
| File | Type | Posted |
|---|---|---|
| Colfax_Curved_Rail_Replacement_and_Spare,_Materials_only.pdf | ||
| 03-_Colfax_Rail_Drawings.pdf |
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Text version
rtd-denver.com
Regional Transportation
District
1660 Blake Street Denver, CO
80202 303.299.6000
Colfax Rail Replacement Track Materials Procurement - Scope of Work
Project Description The Regional Transportation District will be replacing a section of the existing light rail track in Denver, Colorado. The section is under the Colfax bridge near the Auraria West Station in downtown Denver. The project includes the replacement of two curves consisting of pre-curved rail with restraining rail. Reference the attachments for additional information. Provide a bid for all pre-curved running rail and restraining rail required to complete the construction of this project. The bid shall be for track materials only.
The base bid shall include:
Pre-curved running and restraining rail for Curves TAC2, and TBC3 (including spirals) 4 EA – Insulated Joint Kit – Single Rail 4 EA – Insulated Joint Kit – Double Rail
Details/Components All Rail:
Shop drawings for the pre-curved rail shall be submitted to RTD for approval.
Shall be new premium or standard high strength 115 RE steel rail conforming to
AREMA Chapter 4, Part 2, Section 2.1, 115RE Rail Section.
Running rail:
Shall extend 20 feet past the end of the restraining rail unless otherwise noted.
Shall be shop curved and designed with 1-inch gaps to allow for field welding.
Running rail to be match-drilled in the field by the contractor.
Restraining rail:
Shall extend 10 feet past the end of the curve on tangent track unless otherwise noted on the Track Alignment Drawing (attached).
Have a 2-inch Flangeway with restraining rail separator block assemblies on 4-foot
(maximum) centers.
Separator block assemblies shall be adjustable with shims designed to be installed and removed without removing the bolt.
Shall be shop curved and shop drilled for separator block assemblies.
Shall be shop drilled for insulated joints with 3/8-inch end posts.
Rails shall be joined with 12-inch flangeway block assemblies.
End rail flared per Restraining Rail Details Drawing (attached) with 12-inch flangeway block assemblies.
Shall include separator blocks, shims and hardware as needed.
Insulated Joint Kits:
Insulated joints shall be Allegheny Rail Products, Inc., American Track Systems, Inc., Portec Inc., Railway, Bonded Insulated Joints, or approved equal. The required salient features of the insulated joints are as follows:
rtd-denver.com
Shall be complete kits with adhesives, bars, washers, bolts and collars for field assembly.
Insulated joints shall conform to the requirements for rail joints specified by AREMA for three-foot joint bars.
o Joint bars shall be 36-inch long, 6-hole bars.
o 1-inch huckbolts of 1-inch diameter structural steel, A325 or Grade 8.
Double rail shall have separator blocks, shims and hardware for 2” flangeway.
Double rail bolts are not required to be huckbolts.
Insulating materials shall conform to the recommended practices in AREMA Chapter 4, Part 3, Section
3.8.4.4.
End post size shall be 3/8-inch with a thickness tolerance of 1/32-inch.
The following items shall be specifically excluded:
Systems and signals cabling and fittings Rail weld kits Ballast
Project Delivery Dates
Shop Drawings:
Shall be submitted to RTD within 60 days of NTP RTD will review and approve with 15 days of receiving shop drawings
Product Delivery:
Contractor to deliver all track materials to CML Yard. No Later than December 31, 2026 (address below)
NOTE: All prices must be quoted at a firm price, FOB, Regional Transportation District, CML Storage Yard, 1721 W. Colfax Avenue, Denver, CO 80204, delivered to and accepted by RTD.
Attachments Track Alignment Drawing - COLFX-T-TA001-Alignment.pdf Restraining Rail Details Drawing - COLFX-T-DT001-RestrlDtls.pdf
File details come from the government source that posted it. Updated .