IFB 24-33-SD Route 1 Sewer Replacement Addendum 1.pdf

Addendum 1 IFB No. 24-33-SD Page 1 of 3

Addendum #1 to

Spotsylvania County

IFB 24-33-SD

ROUTE 1 SEWER REPLACEMENT

February 9, 2024

Addendum #1 to Invitation for Bid (IFB) No. 24-33-SD is issued in accordance with the IFB Terms & Conditions and is intended to provide additional information and clarification to Respondents.

Addendum #1 consists of three (3) items which are listed below, attached hereto and made a part hereof to IFB No. 24-33-SD.

ITEM 1 – CHANGES TO IFB

1. Add “Attachment I - Project Summary” to the IFB documents, attached hereto as Attachment A of the Addendum.

ITEM 2 – Q&A

1. A geotechnical report for figuring out dewatering was not included it seems in the bid docs. Is there anything available to add to the bid documents?

ANSWER: We did not perform a geotechnical report for this project.

2. Can the bypass peak flow rate be specified to size up bypass systems?

ANSWER: Please see “Attachment F – Average Daily Flows” and “Attachment E – Peak Flows”.

3. Were any soil borings done for this project?

ANSWER: No.

4. Can you provide any information on stream flow?

ANSWER: Please refer to Attachments B, C, and D attached hereto. This information is from a previous project of SDI’s and is provided for informational purposes only.

5. Are you able to provide soil boring data from a nearby project?

ANSWER: The Engineer was unable to obtain any geotechnical data.

6. How much is the Engineer’s Estimate?

IFB No. 24-33-SD Page 2 of 3

ANSWER: An engineer’s estimate has not been completed at this time.

7. Are there any special requirements for wetlands?

ANSWER: Please refer to the Wetlands permit provided in the IFB for special requirements.

8. When is the County planning to issue a notice to proceed?

ANSWER: It is the County’s intend to issue the NTP as soon as the contract is approved by the Board of Supervisors. Desired date to have the sewer line in service is Summer of 2025.

9. What does Phase 1 consist of?

ANSWER: This project does not have a phased approach. Any reference to phasing only provides for a cutoff point, should the low bid come in over budget.

10. Stream Flow Data: The USGS website doesn’t have any information about the flow rates of the creek. Would there be any historical data available?

ANSWER: Please refer to Question 4.

11. Geotechnical Report: Since no boring samples were available for the project, would it be possible to check with VDOT who is currently undergoing roadway modifications near the same stream to see if they have any Geotechnical information available or if they could provide some insight as to the ground conditions in and around the stream.

ANSWER: Please refer to Question 5.

ITEM 3 – PRE-BID ATTENDEES

1. County Staff:

Ronnie Baker, Utilities Sylvia Dyson, Procurement

2. Engineer Rick Furnival, SDI

3. Contractor Representatives:

Vincent Bayles, Morgan Contracting Eric Eaton, Rain for Rent Zachary Dick, United Rentals Ben Brockway, Garney Jeff Dunn, Metra Industries

ATTACHMENTS:

Attachment A – titled “Attachment I - Project Summary” Attachment B – SDI floodplain study during the design of Spotsylvania Pkwy (formerly Mary

Lee Carter Pkwy.)

IFB No. 24-33-SD Page 3 of 3

Attachment C – Printout of data pages contained in Attachment B.

Attachment D – Plan Sheet associated with the Conspan® crossing, which shows a 100-year discharge (Q100) of 4,692 CFS at the crossing. This number corresponds to the highlighted value on page 1 of the data pages (Attachment B hereto).

Attachment E – Peak Flow Maps Attachment F – Average Daily Flows Map

Respondents shall acknowledge receipt of this Addendum with IFB submission.

February 9, 2024 Sylvia Dyson Date Sr. Procurement Officer

ATTACHMENT A titled "ATTACHMENT I to IFB 24-33-SD"

Spotsylvania County Specifications for

Route 1 Sewer Replacement Project January 2024

I. SUMMARY

The project consists of furnishing and installing approximately 5,600 linear feet of 36-inch diameter sanitary sewer main, and all necessary appurtenances on the Route 1 Sewer Replacement Project along Route 1, from Southpoint Parkway to Spotsylvania Parkway, and includes a boring across Southpoint Parkway and Spotsylvania Parkway in Spotsylvania County, VA.

II. WORK COVERED BY THE CONTRACT DOCUMENTS

A. Work under this contract includes furnishing and installing sanitary sewer line associated appurtenances as follows:

i. Furnish, erect, maintain and remove erosion and sediment control measures including silt fencing, construction entrances, and other items as required by the Regulatory Authority and stated on the plans.

ii. Clear and grub the area of construction of the new sanitary sewer lines.

iii. Furnish and install 36-inch diameter sanitary sewer main, manholes, fittings and connections at locations and grades shown on the plans.

iv. Furnish and install all other appurtenances shown or required to complete the work.

B. Contingent Items – If contingent items are included in the project, they shall not be performed without written direction and authorization by ENGINEER, if agreed to by the OWNER.

C. Work consists of providing labor, materials, equipment, services and administration required in conjunction with or properly incidental to construction of the project. All work shall be performed in accordance with Federal, State and Local regulations, and OSHA requirements.

ATTACHMENT I

III. SPOTSYLVANIA COUNTY SPECIFICATIONS – General information

A. Use Spotsylvania County Department of Water and Sewer Design & Construction Standards Manual for construction specifications and details. All construction must adhere to the 2018 Design and Construction Standards Manual. https://www.spotsylvania.va.us/917/2018-DSM-by-Chapter

B. All excavation is considered Unclassified. Spotsylvania County has not conducted an underground investigation of the site.

C. The County shall provide initial stakeout of sanitary sewer infrastructure only for the project. Any stakeout after the initial one will be the responsibility of the contractor.

D. Existing underground utility lines shown or indicated are those known as of the design of the project and is shown for supplemental information. Not all underground utility lines may be shown on the plans. The Contractor is responsible for ensuring all underground utility lines are marked and bid accordingly.

E. Underground utility lines that are not at the same elevation of the new water or sewer infrastructure will not be considered as conflicts. The Contractor shall be responsible for the safety and protection of the underground facilities during installation of the new water and sewer infrastructure.

F. The County will perform the as-built survey plans for the project. The

Contractor shall provide the County with "redline" markups of the Construction drawings showing specific changes and locations of features that cannot be located by a land surveyor.

G. A Virginia Stormwater Pollution Prevention Plan (SWPPP) is required for this project. The Contractor will be responsible for preparing the SWPPP manual and shall comply with all SWPPP monitoring and restoration requirements during and post construction.

H. The Contractor is required to obtain a Land Disturbance permit from

Spotsylvania County.

I. The Contractor is required to obtain a VDOT construction permit.

J. Wetland restoration shall be performed per requirements on the plans and within the permits.

https://www.spotsylvania.va.us/917/2018-DSM-by-Chapter

K. Spotsylvania County Land Disturbance permit and VDOT permit to be obtained by the Contractor.

L. All existing utilities shown are located according to the information available to the Engineer at the time the drawings were prepared and have not been independently verified by the Owner or the Engineer. Guarantee is not made that all existing underground utilities are shown or that the location of those shown are accurate. The locations shown are for bidding purposes only.

Finding the actual location of any existing utilities is the Contractor’s responsibility and shall be done before he commences any work in the vicinity. Furthermore, the Contractor shall be fully responsible for any and all damages due to the Contractor’s failure to exactly locate and preserve any and all underground utilities. The Owner or Engineer will assume no liability for any damages sustained or cost incurred because of the operations in the vicinity of existing utilities or structures. Nor for temporary bracing and shoring of same. If it is necessary to shore, brace, swing, or relocate a utility, the utility company or department affected shall be contacted by the Contractor and their permission obtained regarding the method to use for such work.

M. This plan does not guarantee the existence, non-existence, size, type, location, alignment or depth of any or all underground utilities or other facilities.

Where surface features (manholes, catch basins, valves, etc.) are unavailable or inconclusive, information shown may be from utility owner’s records and/or electronic line tracing, the reliability of which is uncertain. The Contractor shall perform whatever test excavation or other investigation is necessary to verify tie-in inverts, locations and clearances, and shall report immediately any discrepancies to the Engineer. Utility companies shall be notified 48 hours in advance of any excavation in the proximity of their utilities. The Contractor shall be responsible for repairing at his expense any existing utilities damaged during construction.

N. It is the Contractor’s responsibility to contact the various utility companies which may have buried or aerial utilities within or near the construction area before commencing work. The Contractor shall provide 48 hours minimum notice to all utility companies prior to beginning construction. The indicated existence, or non-existence, of a particular utility should in no way limit the utility companies which the Contractor may wish to notify.

O. The Contractor is responsible for coordinating relocations and installations of franchise utilities necessary for on- and off-site construction. Prior to any construction, the Contractor shall contact the appropriate representative for each franchise utility company to ensure that all conduits, service lines, pads, etc. are installed and constructed to meet or exceed all requirements and standard specifications of each franchise utility company. Franchise utility items shown on the following plans are meant to represent general franchise utility requirements and to assist in the contractor bidding process.

P. Contractor shall coordinate with franchise/private utility companies such as gas, electric, telephone, cable & tv for services.

Q. Contractor shall conform to the "Overhead High Voltage Line Safety Act” (effective July 1, 1989 and as amended) and shall contact the necessary authorities prior to start of construction.

R. Remove and/or plug existing utilities such as sanitary sewer, water, gas, electric, and/or telephone as shown. The Contractor is responsible for contacting each utility company to coordinate removal of all utilities and for determining horizontal and vertical locations of utilities prior to commencing work.

S. The Contractor is responsible for the protection of all utilities to remain in place.

T. All utilities are to remain unless designated to be removed. Existing and proposed franchise utility tops shall be adjusted to final grade.

U. The Contractor is responsible for determining the exact location of all utilities prior to commencing work and for any damages that occur by his failure to locate and protect these utilities. If during construction the Contractor should encounter utilities other than those shown on the plans, he shall notify the Owner's representative and take necessary and proper steps to protect the utility and assure the continuance of service.

V. Utility service shall be maintained throughout construction. Service interruptions shall only be allowed with prior approval from the utility company.

ATTACHMENT B

ATTACHMENT C

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ATTACHMENT C

ATTACHMENT D

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