Sol_140G0226R0011_Amd_0003.pdf
PDF 209 KB Posted
- Attached to
- CONSTRUCTION SERVICES FOR SEPTIC SYSTEM
- Solicitation number
- 140G0226R0011
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 | ||
| Sol_140G0226R0011_Amd_0001.pdf | ||
| B08_Atch_1_FINAL_SOW_NPWRC_Septic_Replacements_04_16_26.docx | DOCX document | |
| Sol_140G0226R0011.pdf | ||
| B02_Atch_2_WDND20260046.pdf |
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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 .