New Crystal Springs bypass tunnel environmental impact report : [draft].

Cover of: New Crystal Springs bypass tunnel |

Published by San Francisco Public Utilities Commission in San Francisco, CA .

Written in English

Read online

Subjects:

  • Water-supply -- California -- San Francisco.,
  • Municipal water supply -- California -- San Francisco Bay Area.,
  • Water-supply engineering -- California -- San Francisco.,
  • Water-supply engineering -- California -- San Mateo County.,
  • Pipelines -- California -- San Francisco.,
  • Pipelines -- California -- San Mateo County.,
  • Environmental impact statements -- California -- San Francisco.,
  • Environmental impact statements -- California -- San Mateo County.

Edition Notes

Book details

Other titlesNew Crystal Springs bypass tunnel EIR, draft EIR
ContributionsSan Francisco Public Utilities Commission., San Francisco (Calif.). Planning Dept., Baseline Environmental Consulting., Jones & Stokes Associates., Wilson, Ihrig & Associates., CHS Consulting Group., Davis & Associates., Yuli Kawaguchi (Firm), ENVIRON Corporation.
The Physical Object
Pagination1 v. (various pagings) :
ID Numbers
Open LibraryOL23091769M

Download New Crystal Springs bypass tunnel

Shank/BB JV lowered the TBM into the south shaft in preparation for its ft drive to complete the Crystal Springs Bypass Tunnel for the SFPUC. Crystal Springs Bypass Tunnel awarded - TunnelTast, Oct Water tunnels to recharge aging system - TunnelTast, Sep Bay Tunnel for the SFPUC - TunnelTast, March The New Crystal Springs Bypass Tunnel is part of the San Francisco Public Utilities Commission’s (SFPUC) $ billion capital improvement program to repair and seismically upgrade its aging pipelines, tunnels, reservoirs, and dams.

The existing Crystal Springs pipeline consists of inch prestressed concrete cylinder pipe and steel pipe. The New Crystal Springs Bypass Tunnel (NCSBT) will provide redundancy to the existing Crystal Springs Bypass Pipeline (CSBPL) and will improve the delivery reliability level of service.

The existing CSBPL is a inch pre-stressed concrete cylinder pipe that. New Crystal Springs Bypass Tunnel Project. 5 Documents in Project.

Summary SCH Number Lead Agency San Francisco, City and County of (City and County of San Francisco) Document Title New Crystal Springs Bypass Tunnel Project Document Type OTH - Other Document Received 5/15/ The 1, m new Crystal Springs bypass tunnel (NCSBT) will replace the New Crystal Springs bypass tunnel book Crystal Springs bypass pipeline and will provide residents in the southern San Francisco area with a more reliable drinking water pipeline.

This tunnel project is part of the SFPUC's USD billion capital improvement programme to repair and seismically upgrade. 21 October Shank/Balfour Beatty, JV (S/BB), has secured the construction contract for the New Crystal Springs Bypass Tunnel project from The San Francisco Public Utilities Commission (SFPUC).

The $55, contract will install a 4,ft long, 8ft finished diameter tunnel at a critical juncture in the Hetch Hetchy Regional Water System.

New Crystal Springs Bypass Tunnel JHCE provided shutdown, startup and testing engineering services to the New Crystal Springs Bypass Tunnel (NCSBT) project.

The NCSBT is a $70M, 96” diameter tunnel to deliver water across a seismically unstable zone. Shutdown and startup support involves coordination between the Contractor, CM team, and Water. Lowering of the Crystal Springs TBM - TunnelCast, Oct Crystal Springs Bypass Tunnel awarded - TunnelTalk, Oct Fierce competition creates slimmest of margins for Bay Tunnel contract - TunnelTalk, Nov Bay Tunnel for the SFPUC - TunnelCast, March New Irvington water tunnel advertised - TunnelTalk, Jan Fig 1.

WSIP program with Crystal Springs Bypass Tunnel and New Irvington Tunnel identified. Shank/Balfour Beatty JV secured construction for Crystal Springs Bypass Tunnel in October with a bid of $ million. With the shafts completed, launch of the TBM, designed by Shank, is planned for the coming weeks.

JHCE provided shutdown, startup and testing engineering services to the New Crystal Springs Bypass Tunnel (NCSBT) project. The NCSBT is a $70M, 96” diameter tunnel to deliver water across a seismically unstable zone. Shutdown and startup support involves coordination between the Contractor, CM team, and Water System operators, notifications to customers, hydraulic analysis.

Tunnel[s] The New Crystal Springs Bypass (Polhemus) tunnel will be a new tunnel to be constructed parallel to and beneath the existing Crystal Springs Bypass Pipeline. At the south end of the tunnel, the South Shaft will be located in the vicinity of the existing Polhemus Fluoridation Station.

At the north end of the tunnel, the North Shaft. Water leakage for the entire tunnel is currently estimated at 15 to 35 million gallons per day, depending on the operating conditions of the tunnel.

To address the leakage, the DEP is constructing the Rondout-West Bypass Tunnel around the Roseton section. New Crystal Springs Bypass (Polhemus) Tunnel-Design Challenges. Fedotoff, R. / Sherry, G. / Hurt, J. / Tang, G. / Society of Mining, Metallurgy and Exploration | Construction of the C Beacon Hill Station Using SEM in Seattle-``Every Chapter in the Book '' Akai, S.

/ Murray, M. / Redmond. Lower Crystal Springs Dam Improvements: $34, 12/28/ New Crystal Springs Bypass Tunnel: $81, 8/17/ Adit Leak Repair - Crystal Springs/Calaveras: $2, 7/31/ Pulgas Balancing - Inlet/Outlet Work: $1, and the SFPUC to create a multimedia public art installation for the SFPUC’s new Alameda Creek.

The new $56 million tunnel has been designated “The New Crystal Springs Bypass Tunnel.” Redundancy is the name of the game in earthquake preparedness. The Crystal Springs Bypass Tunnel project consisted of construction of a new 4,foot tunnel which lies at depths of up to feet underground.

This pipeline is a critical link in transmitting all of the water from the Sierra and East Bay supplies to the Peninsula and City of San Francisco. New Crystal Springs bypass tunnel Unincorporated San Mateo County Construction: Dec.

to Sept. Cost: $95 million 4. Bay Division. Inside the original pipeline in The new tunnel and pipeline provide redundancy to the existing Crystal Springs Bypass Pipeline built in The original pipeline and soils in this area were subject to failure during heavy precipitation or a major earthquake.

The Crystal Springs Bypass Pipeline had been a critical, unique link in the. New Crystal Springs Bypass Tunnel Construction Update September We are making progress on the New Crystal Springs Bypass Tunnel (NCSBT) project. You’re Invited!. Tunnel Boring Machine Launch on Friday, September 18 th Join us at the South Shaft at Polhemus Road at 11am, Friday, September 18th for the official launch.

Like Crystal Springs, operating capacity for Calaveras Reservoir was also limited for seismic reasons in the s. The new dam will restore the. The New Crystal Springs Bypass Tunnel project adds a new 4,foot-tunnel connecting the Hetch Hetchy water supply directly to the Crystal Springs Pipeline No.

2 and the Sunset Supply Line. This project provides a redundant transmission pipeline for delivery of water directly to the upper Peninsula and the City and County of San Francisco. New Crystal Springs Bypass Tunnel • Construction of a new 4, feet long, 9-ft diameter tunnel to provide redundancy to Crystal Springs Pipeline • South Shaft, approximately 30’ inside diameter • North Shaft, approximately 15’ inside diameter • South and North connection pipes and valve vaults.

Representative Projects. PROJECT: Supplementary Exploration Program San Mateo Creek Crossing and Valve Vaults New Crystal Springs Bypass Tunnel LOCATION: County of San Francisco CLIENT: San Francisco Public Utilities Commission, City and County of San Francisco Conducted preconstruction bird and San Francisco dusky-footed woodrat (Neotoma fuscipes annectens) surveys and biological.

The Mountain Tunnel Improvements Project will improve the condition of the tunnel and ensure the tunnel’s continued ability to reliably provide drinking water to its customers.

McMillen Jacobs was the prime consultant and lead designer for the new tunnel facilities, tunnel rehabilitation, civil and roadway improvements and managed a multi-disciplinary team of 16 subconsultants covering other.

Crystal Springs Bypass Tunnel-Replaces the existing pipeline with a new tunnel. Bay Division Pipelines Nos. 1 & 2-Seismic upgrades and replacements to an existing valve building and pipe bridge.

Advanced Ultraviolet Disinfection-Improves the water system's. - New Crystal Springs Bypass Tunnel, San Francisco, CA - Lake Mead Intake No.3, Las Vegas NV - Trans Hudson Express CM, NJ/NY - Billy Bishop Toronto City Airport Pedestrian Tunnel - Title: Principal (Tunnels) at Arup; Board.

JHCE provided shutdown, startup and testing engineering services to the New Crystal Springs Bypass Tunnel (NCSBT) project. The NCSBT is a $70M, 96” diameter tunnel to deliver water across a seismically unstable zone. Shutdown and startup support involves coordination between the Contractor, CM team, and Water System operators, notifications.

SFPUC, Crystal Springs Bypass Tunnel. by AGould | Feb 6, SFPUC, Crystal Springs Bypass Tunnel San Mateo, CA Description: The $54M project was constructed to replace the existing pipeline (installed in the s) with a deep underground tunnel and pipeline which could ensure continued delivery of drinking water after a major.

New Crystal Springs Bypass Tunnel Novem ; Auxiliary Water Supply System Capital Improvements Program Novem ; Bay Division Pipeline No. 4 Condition Assessment Novem ; Bay Division Pipeline No. 5, Construction Phase Novem NEW CRYSTAL SPRINGS BYPASS TUNNEL A Tunnel Boring Machine (TBM) will be ready in early October to begin boring the New Crystal Springs Bypass Tunnel in San Mateo.

The new tunnel will improve water trans-mission reliability after a major earth-quake and is an important link in the Hetch Hetchy Water System. After months of controlled blasting. S Shank/BB JV lowered the TBM into the south shaft in preparation for its ft drive to complete the Crystal Springs Bypass Tunnel for the SFPUC.

The San Francisco Public Utilities Commission (SFPUC) awarded the construction contract for the New Crystal Springs Bypass Tunnel project to Shank/Balfour Beatty, JV (S/BB), joint venture tunneling partners.

The $55, contract will install a 4,ft-long, 8-ft-finished-diameter tunnel at a critical juncture in the Hetch Hetchy Regional. San Mateo Tunnel CUW New Crystal Springs Bypass Tunnel Jul Jun $57, San Mateo Reservoir CUW Pulgas Balancing Reservoir Rehabilitation Oct Oct $20, San Mateo Inst. & Controls CUW Installation of SCADA System - Phase II * Jun Mar $15, The New Crystal Springs Bypass Tunnel is part of the San Francisco Public Utilities Commission’s (SFPUC) $ billion capital improvement program to repair and seismically upgrade its aging Title: Project Engineer at BCCI.

Project No. CUW, New Crystal Springs Bypass Tunnel, and authorized staff to proceed with actions necessary to implement the Project, including but not limited to obtaining an Easement Deed for the new tunnel and any required permits, provided that subsequent.

Water McMillen Jacobs has been involved in the design and construction of water supply and hydroelectric tunnels for some of the world’s major water providers. In just the last 15 years, we have designed over water tunnels and pipelines.

We are known for our expertise in pressure tunnel design, as well as engineering of [ ]. In late Octoberthe TBM began chewing it way through rock and various soil types to create the new 4,foot-long New Crystal Springs Bypass Tunnel. The difficult excavation process took about five months and was completed ahead of schedule.

Once excavation was complete, the TBM was abandoned in place. A closeup of the tunnel boring machine. Served as the primary Operations Liaison for the New Crystal Springs Bypass Tunnel. Created Shutdown tracking charts to identify system impacts and flow restrictions WSIP : Owner/President at Steven P.

Tunnels San Francisco Bay Tunnel, SFPUC New Crystal Springs Bypass Tunnel, San Mateo, California Moccasin Penstock Replacement Tunnel Feasibility, Moccasin, California North Outfall Replacement Sewer, Los Angeles, California North City Tunnel Connector, San Diego, California Inland Feeder - Mountain Segment Tunnel, San Bernardino, California.

Information for AEC professionals on the construction of tunnels, including estimated project costs, listings of companies specializing in tunnel construction, and building products used.

The Port Mann Main Water Supply Tunnel increased Metro Vancouver’s capacity to accommodate future regional growth while also improving overall system reliability. The project included construction of a 1,meter-long (3,ft) tunnel under the Fraser River between Coquitlam and Surrey in British Columbia, Canada.

This new, larger water main helps ensure the continued, reliable delivery of.• New Crystal Springs Bypass Tunnel • Pulgas Discharge Channel • Crystal Springs – San Andreas Transmission • Lower Crystal Springs Dam Improvement • Crystal Springs Pipeline 2 Bay Division Projects: • Seismic Upgrade of Bay Division Pipeline 3 and 4.The new tunnel and pipeline provide redundancy to the existing Crystal Springs Bypass Pipeline built in The original pipeline and soils in this area were subject to failure during heavy precipitation or a major earthquake.

71547 views Friday, November 27, 2020