09/12/2019

The work under this Contract is to construct capital improvements along the L Taraval corridor between Sunset Boulevard and West Portal.
The Work, as detailed in the Plans and Specifications, consists generally of the following:
1. Perform selective demolition of existing facilities.
2. Replace existing tangent paved embedded tie and ballast tracks along the L Taraval Line from Sunset Boulevard and Taraval Street to Forest Side Avenue and Ulloa Street with new direct fixation track and fastening systems, using 115# RE rails.
3. Replace existing track pavement with track concrete pavement within the track right-of-way.
4. Reconstruct Overhead Contact System (OCS), including poles and pole foundations, special work, trolley wires, tangent and feeder spans, insulators and various OCS components.
5. Renovate and reconstruct roadway pavement, parking strips and gutters, located between the sidewalk and the reconstructed trackway as well as at intersections.
6. Overlay the entire roadway with a 2-inch thick layer of asphalt concrete wearing surface from Sunset Boulevard to Forest Side Avenue along project alignment, except at trackway and the parking strips and gutters.
7. Construct temporary boarding platforms, as necessary.
8. Construct new boarding islands and high level accessible platforms and reconstruct or modify existing boarding islands and platforms.
9. Coordinate installation of bus shelters with electrical power feed for Next Bus signage on the boarding islands.
10. Construct and install architectural elements and components such as railings, trash receptacles, and bike racks.
11. Construct sidewalk bulb-outs and curb ramps.
12. Furnish and install and establish landscape planting.
13. Tree removal & stump grinding.
14. Install custom thermoplastic crosswalks.
15. Furnish and install new roadway lighting poles, fixtures and bracket arms, and relocate existing fixtures to new poles or combination trolley/streetlight poles.
16. Furnish and install new streetlight conduit, pull boxes, and underground and overhead service connections for streetlights.
17. Provide new traction power feeder cable grounding of new trolley poles.
18. Provide new traction power riser cables and multi-tap connectors for new trolley poles.
19. Provide new traction power feeder cables for existing sectionalizing switch and for feeder circuit WP-13.
20. Replace feeders in substation with new FBK type H breakers for feeder circuits T-1, T-2, and WP-13.
21. Add electrical current telemetry devices to feeder circuits T-1, T-2, and WP-13.
22. Upgrade Remote Terminal Unit (RTU) and annunciator units at Taraval and West Portal substations.
23. Upgrade Traction Power SCADA system at Taraval and West Portal substations and Power Control Center (PCC).
24. Provide new VTAG train signaling system at select locations.
25. Replace five (5) all way stop intersections with traffic signals and install intersection controller (IC) at each intersection.
26. Replace existing traffic signals.
27. Provide rapid rectangular flashing beacons.
28. Construct traffic signal conduit and pull boxes for future signalization and future interconnect fiber optic.
29. The Sewer Work to be performed includes but is not limited to constructing 12 to 30-inch diameter vitrified clay pipes and reinforced concrete pipes, cured-in-place lining 2’x3’ and 2’-6”x3’-9” flat top concrete sewers, constructing new manholes, replacing side sewers, cured-in-place lining of existing side sewers, reconstructing culverts, mortaring manholes, plugging & filling existing sewer systems, performing post video inspections, and all other related work.
30. The work to be performed under this contract includes installing : approximately 20,000 linear feet of 4–, 6– and 8–inch ductile iron pipe; approximately 1,000 linear feet of 4-, 6- and 8- inch restrained joint ductile iron pipe; approximately 1,300 linear feet of 12-inch restrained joint ductile iron pipe; approximately 200 linear feet of 16-inch restrained joint ductile iron pipe; ductile iron joint fittings and valve assemblies; corrosion mitigation system; 1–inch to 8-inch service piping; pipe abandonment; open trench installation of nine (9) steel casings with ductile iron carrier pipe (restrained joint type) at Muni track crossings; and open trench installation of one (1) steel casing near 28th Avenue.
31. Replace all low pressure fire hydrants and add new fire low pressure hydrants and associated fittings and values.
32. Provide all excavation and shoring at all connections, disconnections, and at service pits, where the work will be performed by SFWD.
33. Provide all excavation and excavation support work for PG&E hot tapping of deactivated gas mains.
34. Provide traffic control and support for all work.

Estimated Construction Cost: $75,700,000

Mitchell Engineering, an Equal Opportunity Employer, is requesting bids from all qualified Subcontractors, Truckers, and Material/Equipment Suppliers, including ALL QUALIFIED AND/OR CERTIFIED SBE & DBE Subcontractors, Truckers, and Material/Equipment Suppliers. The Participation Requirement is 21% (SBE 15%, DBE African American 3%, DBE Woman Own 3%). This also includes requests for SAN FRANCISCO LBE (no formal requests for %'s on this project) and Non-LBE sub/material quotes from qualified subcontractors, trucking firms and material suppliers for the project as noted below.

Mitchell Engineering request sub proposals in the format of the bid form for the following trades: Trucking/Hauling incl. Hazardous Waste Disposal; AWSS; Track Concrete Pavement, incl. colorized; Overhead Contact System; Custom Thermoplastic Crosswalk; Traffic Control; Welding; Television Inspection; Transit Shelter Glass Panels; Concrete: Curb, Sidewalk, Gutter, Manhole, Encasement; Concrete Catch Basins; Rail Procurement; Electrical; Street Lighting & Traffic Signals incl. Spare Street Lights; PVC Materials; Valves & Fittings; Hydrant & Watermain Valve Box; Unit Pavers; Landscape incl. Trees & Shrubs; Mosaics Tiles; RCP Class V Sewer; VCP Sewer & Culvert Material; Ductile Iron Pipe; Steel Casing Pipe; Cast Iron Water Trap & Catch Basin; Trash Receptacles, Bike Racks, Leaning Rails; and Message Signs for the following Project: L TARAVAL IMPROVEMENT PROJECT - SUNSET BOULEVARD TO WEST PORTAL (Contract #1308) located in San Francisco, CA. Bids are due no later than September 12, 2019, at 3 PM.

PLEASE NOTE: Mitchell Engineering is requesting bids by NOON ON BID DAY (SEPTEMBER 12, 2019) in order for bids to be considered.

Please respond with an email with your intent to bid this Project. All questions are welcomed. Please contact Don Hart at (415) 589-7308, or by email at: dhart@mitchell-engineering.com OR Kathy Streblow at (415) 227-1040, or by email at: kstreblow@mitchell-engineering.com OR Endah at (415) 227-1040, or by email at: ehart@mitchell-engineering.com.

BIDS SHOULD BE FAXED TO (415) 227-1049 or (415) 227-1046. Click on above link to view Advertisement for more details.