Sol_140G0226R0011_Amd_0003.pdf

PDF 209 KB Posted

Attached to
CONSTRUCTION SERVICES FOR SEPTIC SYSTEM
Solicitation number
140G0226R0011
Issued by

About this file

This is a Standard Form 30 (SF 30) Amendment of Solicitation/Modification of Contract issued by the USGS OAG Denver Acquisition Branch. Amendment 0003, effective September 3, 2026, modifies solicitation 140G0226R0011 dated August 11, 2026. The amendment is not extended and does not require contractor signature and return of copies to the issuing office.

The amendment provides technical information from the Central Valley Health District regarding septic system replacement at the NPWRC facility. For the West Building Shop, specifications include a maximum depth of 36 inches, clay-loam 2.2 sizing factor, gentle slope of 2-5%, capacity for 3 people (54 gallons per day), minimum 1000-gallon septic tank with probable pump chamber, and at least 40 linear feet of drainfield (100+ feet recommended). For the East Building (Main), specifications include a 35-inch limiting layer with 11-inch maximum depth, clay-loam 2.2 sizing factor, 0-4% slope, capacity for 55 people (1375 gallons per day) for an oversized system, minimum 2500-gallon septic tank with possible pump chamber, and 1008 linear feet of drainfield. The amendment specifies that water softener discharge must not enter the septic system due to code restrictions and potential system degradation. The contract is firm fixed price with performance period from September 21, 2026 to February 20, 2027. Technical point of contact is Bryan Wolla (bwolla@usgs.gov), administrative point of contact is April Zimney (azimney@usgs.gov), and contract specialist is Philip Robinson (philip_robinson@ios.doi.gov).

View the file

Other files

File Type Posted
Sol_140G0226R0011_Amd_0002.pdf PDF
Sol_140G0226R0011_Amd_0001.pdf PDF
B08_Atch_1_FINAL_SOW_NPWRC_Septic_Replacements_04_16_26.docx DOCX document
Sol_140G0226R0011.pdf PDF
B02_Atch_2_WDND20260046.pdf PDF

On GovTribe

Work with this file

  • Download the original file
  • Contacts named in this file
  • Similar government files
  • Ask GovTribe AI about this file

Text version

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: is not is required copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7.ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

PAGESOF

Contractor

The hour and date specified for receipt of Offers to sign this document and return

Karen La Bouff-Kind

See continuation page

USGS OAG DENVER ACQUISITION BRANCH

PO BOX 25046

204 DENVER FEDERAL CENTER

DENVER CO 80225-0046

USGS OAG DENVER ACQUISITION BRANCH

PO BOX 25046

DENVER CO 80225-0046

GDB

GDB

140G0226R0011

09/03/2026

08/11/2026

1 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140G0226R0011/0003

The purpose of this amendment is to provide information to contractors on the East and West

Building Shops given by the Central Valley

Health District in reference to the NPWRC

Septic System replacement.

a) Measurements for the West Building Shop are:

-No limiting 60" test depth

-Max depth 36"

-Clay-Loam 2.2 sizing factor

-Gentle slope 2-5%

-3 people (18gallons) = 54GPD

-1000 min septic tank will likely need pump chamber as well

-At least 40 Linear feet of drainfield

(Would recommend going close to 100 or more).

b) Measurements for the East Building (Main)

-Limiting Layer 35" gravel

-Max depth 11"

-Clay-Loam 2.2 sizing factor

-0-4% slope

-55 people (25 gallons) = 1375 GPD (This for an oversize system)

-2500 min septic will possibly need pump chamber as well

-1008 linear ft of drainfield.

c) Ensure that the water softener does NOT enter this system. The septic systems are not allowed in code for that, and it could majorly affect the lifetime of the septic system.

d) All other terms and conditions of the solicitation remain unchanged.

Period of Performance: 09/21/2026 to

02/20/2027

AWARD TYPE: FIRM FIXED PRICE

TECHNICAL POC: BRYAN WOLLA, Email:

bwolla@usgs.gov

Continued...

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140G0226R0011/0003

ADMIN POC: APRIL ZIMNEY, Email:

azimney@usgs.gov

CONTRACT SPECIALIST: PHILIP ROBINSON, Email:

philip_robinson@ios.doi.gov

Amendment of solicitation/modification of contract
Contract ID code
Amendment/modification number
Effective date
Requisition/purchase requisition number
Project number
Issued by
Code
Administered by
Code
Name and address of contractor
Code
Facility code
Amendment of solicitation number
Dated
Modification of contract/order number
Dated
This item only applies to amendments of solicitations
Accounting and appropriation data
This item applies only to modifications of contracts/orders.
This change order is issued pursuant to:
The above numbered contract/order is modified to reflect the administrative changes
This supplemental agreement is entered into pursuant to authority of:
Other
Important:
Description of amendment/modification
Name and title of signer
Contractor/offeror
Date signed
Name and title of contracting officer
Signature of Contracting Officer
Date signed
Previous edition unusable
Standard form 30 (rev. 11/2016)
Continuation sheet
Reference Number
Name of Offeror or Contractor
OPTIONAL FORM 336 (4-86))

Sponsored by GSA FAR (48 CFR) 53.110

File details come from the government source that posted it. Updated .