Div01 Section 01 14 00 spec.pdf

SECTION 01 14 00

WORK RESTRICTIONS

11/11

PART 1 GENERAL

1.1 SPECIAL SCHEDULING REQUIREMENTS

a. The Don Edwards San Francisco Bay National Wildlife Refuge to include its Environmental Education Center will remain in operation during the entire construction period. The Contractor must conduct his operations so as to cause the least possible interference with normal operations of the activity -- especially by limiting dust, noise, and traffic.Typical traffic consists of 15-20 vehicles per hour, with a maximum potential of 50 vehicles per hour. Traffic approaching the maximum would correlate with special events, and notice would be provided to the contractor 48 hours in advance. Two (2) special events per week each lasting 3 hours are anticipated.

b. Permission to work on Union Pacific owned real estate must be requested a minimum of 30 calendar days prior to the desired start of work.

c. Permission to use the existing grade crossing and / or the proposed grade crossing must be requested a minimum of 30 calendar days prior to the desired start of use. Contractor shall read the Temporary Private Road Crossing Agreement dated 29 May 2020. Contractor shall execute Contractor's Right of Entry Agreement that is referenced in the in the Private Road Crossing Agreement. The contractor shall install Jersey Barriers preventing access to RR crossing DOT 975497K when no flagman is present. RR Crossing 975497K and RR Crossing 749995B shall only be used when RR flagmen are present. Contractor shall bear all costs for the track crossing construction including flagmen. Some of these costs will be in the form of reimbursement to UPRR for their expenses. An estimate of track crossing construction costs is part of the agreement, and shall be used as a basis for the Contractor's bid. All costs associated with delays in notification shall be borne by the contractor at no cost to the government. Additional Contractor requirements are identified in the UPRR agreement executed 29 May 2020.

d. Soil hauling through the Santa Clara County Alviso Marina Park shall be scheduled and have adequate traffic control to prevent disruption to park users including boat launch visitors. 01 14 00 Attachment 1 has the vehicle count from the time period of January 2018 to May 2020.

Visitor counts that do not exceed by more than 20% from the peak monthly total reported shall be accommodated by the contractor at no additional cost. Contractor caused park user delays shall be less than 2 minutes per visitor. If excessive park user delay occurs, the contractor shall modify haul schedule and traffic control to avoid delay to park visitors.

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

1.3 CONTRACTOR ACCESS AND USE OF PREMISES

1.3.1 Working Hours

Regular working hours shall consist of an 8 1/2 hour period, between 7 a.m.

and 5:30 p.m., Monday through Friday, excluding Federal holidays.

1.3.1.1 Hauling

Soil hauling shall be limited to 224 truck cycles per day as follows.

Before 9:00 am the contractor shall limit truck cycles to 11 or fewer.

After 3:00 pm the contractor shall limit truck cycles to 11 or fewer. One truck cycle is a truck entering and leaving the site to deliver or dispose of material.

1.3.2 Work Outside Regular Hours

Work outside regular working hours requires Contracting Officer approval.

Make application 15 calendar days prior to such work to allow arrangements to be made by the Government for inspecting the work in progress, giving the specific dates, hours, location, type of work to be performed, contract number and project title. Based on the justification provided, the Contracting Officer may approve work outside regular hours. During periods of darkness, the different parts of the work must be lighted in a manner approved by the Contracting Officer.

1.3.3 Exclusionary Period

No work shall be performed within Reach 1 for 7 consecutive calendar days surrounding the "Day on The Bay Festival" held in October of each year without prior written approval of the Contracting Officer. The Contracting Officer will provide minimum 60 day notification of the final festival dates. This period has been considered in computing the time allowed for the performance of this contract.

1.3.4 Parking

Contractor and personnel shall not park at the Don Edwards San Francisco Bay National Wildlife Refuge Environmental Education Center parking lotor at the public parking on Grand Boulevard.

Contractor and personnel shall not park in the Alviso Marina County Park parking lot.

1.3.5 Bathrooms

The contractors workers are strictly prohibited from using the County Marina Public bathrooms.

1.3.6 Trashes

Contractor shall store all trash in refuse containers and shall empty the containers each day and dispose of such waste off of and away from the premises in accordance with all local, state, and federal laws and County policies. Contractor shall remove from the Premises all trash, waste, and debris at the Contractor's sole cost and expense by no later than 5:00 pm.

Daily after each use of the premises, unless otherwise authorized by the contracting officer. All waste generated onsite will be disposed of offsite in accordance with all applicable federal, state, and local laws and regulations. This will include plant clippings and debris. For more details refer to 01 57 19 for 3.7 WASTE MANAGEMENT AND DISPOSAL.

1.4 Stage Area Restrictions and Limitations

The contractor shall not excavate or grade Staging Area #1 and Staging Area #2. The transportation, storage, use, or disposal of any hazardous toxic material or waste are not allowed. The contractor shall maintain the fencing if they elect to enclose any portions with fencing. The contractor shall abate all weeds and take reasonable steps to minimize the amount of dust caused by their activities. Three staging areas are indicated in this section. Two staging #1 and #2 areas were formerly located within a superfund site, which has been remediated and is no longer an active site per EPA standards.

Staging Area #1 (APN 015-03-019) shall be used for a 36' by 60' governmental trailer with other necessary items. This site is also recommended for the contractor's trailer(s). Refer to Section 01 50 00 and 01 50 01 for more preparation and construction details.

Staging Area #2 (APN 015-41-006) contained asbestos which has been cleaned to EPA standards to contain on-average less than 1% asbestos in the subsurface. There is a 2 foot cap of clean soil placed on top of the approximate 10 feet of remediated soil, such that no additional testing or PPE would be necessary for work on these areas. Refer to Section 01 50 00 for more preparation and construction details. A gate around Staging Area #2 may need to remain locked. Any keys needed for access to Staging Area #2 will be provided by SCVWD.

Staging Area #3 in the Grand Boulevard, 675 Los Esteros Road (Plan Sheet V-29 in Reach 2-3) is part of an active corrective action effort that is occurring. This area has VOCs in groundwater at levels that would be a concern for vapor intrusion for commercial/industrial use and/or direct human contact. There are on-going shallow ground well monitoring and pumping activities.The slightly impacted groundwater is collected and sent to the nearby City of San Jose/Santa Clara Wastewater Treatment Plant (WPCP) for disposal.

There are buried electrical for the well pump, underground piping to direct the pumped water into a large collection tank (located on the northeast corner of the landfill), and numerous monitoring points (piezometers) that have to have access to from time-to-time. See 01 14 00 Attachment 2 for some of well/pad locations. Zanker Resource Management staff (Owner), will need occasional access to this well and the piezometers.

Also, electrical box are active on the property. The protective casing the main wellhead is exposed and visible, but everything else is below ground.

PG&E also have an overhead easement over the transmission lines that traverse the property.

The contractor shall survey the area and use the site as appropriate. The Contractor shall pay cost for all damage that made during the construction, and government will not reimburse any damages that made by contractors.

1.5 Potential opening the spaces

Contractor shall submit a schedule upon NTP. Depending on the Contractor’s planned sequence of work, there may be periods when the Contractor is not working in the areas of County Parks and Don Edwards San Francisco Bay National Wildlife Refuge. Contractor shall open the pedestrian trails if the conditions are safe for public pedestrians.

1.6 Fill materials maintenance

Upon NTP of this contract, the Contractor shall manage and maintain the existing fill stockpiles until the end of the construction. The Contractor shall maximize the use of existing and new fill of the levee and keep the fill usable for the levee fill. Also, the contractor shall remove and prevent invasive weeds or any plants growing on the stockpiles.

Application of Imazapyr herbicide shall be permitted to control new weed growth in the spring time, and should be performed by a California Department of Pesticide Regulation Certified herbicide/pesticide applicator. Contractor should request approval from the COR and Technical POC before the use of any herbicide.

1.7 Site Management

1. Contractor shall locate a flagger at the County Park entrance to direct fill delivery and construction traffic and maintain a clear roadway for County Park visitors. The Contractor shall also station a flagger on the levee trail immediately south of Pond A12. See 01 14 00 Attachment 3.

2. Contractor shall provide on-site staff as necessary to control/prevent tail traffic or "trespass" into haul routes or other construction zones and directional signage that clearly identifies public access restrictions.

1.8 Closure and Public Access

1. Apart from areas impacted by fill delivery or construction, Park staff and visitors will have continuous access to the entirety of the County Parking lots, restrooms, picnic areas, and other facilities if the condition is safe.

2.During initial phase fill delivery,only the maintenance road parallel to the easternmost section of the Alviso Slough Trail will be closed to public access. Contractor shall place orange fencing and /or guardrails along with "no public access" signs at trail connection points to deter members of the public from entering restricted areas. See 01 14 00 Attachment 3.

3. During construction, pedestrian access to the easternmost segment of the Alviso Slough Trail and separate maintenance road will be closed.

Contractor shall place orange fencing and/or guardrails along with "no public access" sign at trail connection points to deter members of the public from entering into restricted areas.

1.9 Coordination, public information, and notification

1. Contractor shall give at least one month's advance notice to the Department Director of County Parks before fill delivery operations commence or continue.

2. If Contractor anticipates an impact on the County Park operations beyond those described above, it shall contact the Government and the Department Director of County Park as soon as possible. The Contractor shall not proceed with any activity that will cause such an impact with less than 72 hour advance notice.

3. If Project impacts exceed those described above, County Parks may request that all work stop within 48 hours. The Contractor shall meet with the Department of County Park to seek resolution to resume work within 48 hours of stoppage.

1.10 USFWS Pond A13/A15 Levee Construction Activity from 16 Sep 2021 to 10 Nov 2021

Contractor shall not have exclusive control and access to the construction site in the vicinity of Reach 1 from 16 Sep 2021 to 10 Nov 2021 due to USFWS's separate levee construction adjacent to Ponds A13/A15. Contractor may obtain control and access during this period, pending coordination with USFWS contractor. USFWS construction will include concurrent use of the USACE furnished haul road. USFWS's levee construction adjacent to Ponds A13/A15 will include a total of approximately 250 truck deliveries of fill to Ponds A13/A15, with the truck deliveries occurring over approximately 15 days total spread out between 16 Sep 2021 to 10 Nov 2021. Contractor will be informed 7 days in advance of USFWS truck deliveries. Contractor shall not be responsible or liable for USFWS operations. USFWS shall be responsible for restoring the construction site to pre-existing condition at the end of their construction. Extents of USFWS impact is depicted on sheet G-008 of the Reach 1 plan set.

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

Not Used

01 14 00 Attachment 1- Alviso Marina Vehicle Counter Report

01 14 00 Attachment 2- Locations of well/pad in staging area #3

01 14 00 Attachment 3- Proposed truck and access plan

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