923456-26-23-2-4.pdf

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Attached to
Casril Drive Drainage Improvements - Addendum No. 4
Solicitation number
923456-26-23-2
Issued by
St. Tammany Parish, Louisiana

About this file

This is Addendum No. 4 to a sealed bid solicitation issued by St. Tammany Parish Government in Mandeville, Louisiana for Casril Drive Drainage Improvements (Bid #26-23-2). The project encompasses construction of comprehensive subsurface drainage infrastructure along Casril Drive between Soell Drive and Louisiana Highway 59, including installation of stormwater drainage pipelines ranging from 15 to 36 inches in diameter, 30 catch basins, temporary and permanent erosion control measures, open ditch excavation, cleaning of existing box culverts, asphalt and concrete drive removal and replacement, six asphaltic concrete speed tables, and hydro-seeding of 1.3 acres. The work scope requires approximately 2,510 cubic yards of general excavation, 301 cubic yards of bedding material, and 1,722 linear feet of temporary silt fencing. The original bid due date was Thursday, May 14, 2026 at 2:00 p.m.; this addendum was issued May 18, 2026 with a revised bid due date of Wednesday, May 27, 2026. The contract term is 150 calendar days from the Notice to Proceed, with liquidated damages ranging from $500 to $3,000 per day depending on contract value. The contract will be awarded to the lowest responsible bidder in accordance with Louisiana public bid law.

Addendum No. 4 revises the Unit Price Form previously issued and provides clarifications on three key technical matters through a Questions & Answers section. The primary change reduces the general excavation quantity from 6,586 cubic yards to 2,510 cubic yards, clarifying that excavation specifically for culvert (pipe) installation will not be separately measured or paid. The addendum also clarifies that drainage structures labeled as "side drain pipe" on the plans shall be installed using the storm drain detail with type A and type B backfill requirements, and confirms that side drain end treatment locations require only rip-rap and geotextile fabric without safety end treatment, to be paid under Pay Item 702-06-00100. Bidders must possess an active Louisiana contractor's license, provide a 5% bid guarantee, and commit to 100% performance and payment bonds. All work must comply with 2016 Louisiana Department of Transportation and Development Standard Specifications for Roads and Bridges, with contractors responsible for permits, surveys, utility coordination, traffic control, and site safety. Comprehensive insurance coverage is required, including commercial general liability of $1,000,000 per occurrence, business automobile liability of $1,000,000, and workers' compensation as required by Louisiana state law.

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ST. TAMMANY PARISH

MICHAEL B. COOPER

PARISH PRESIDENT

PROCUREMENT DEPARTMENT

P.O. BOX 628 | COVINGTON, LOUISIANA | 70434 | PROCUREMENT@STPGOV.ORG | 985-898-2520

WWW.STPGOV.ORG

Version 2026.1

May 18, 2026

Please find the following addendum to the below-mentioned BID.

Addendum No.: 4

Bid#: 26-23-2

Project Name: Casril Drive Drainage Improvements

Bid Due Date: Wednesday, May 27, 2026

GENERAL INFORMATION:

1. Please remove Section 04- Unit Price Form-Revised and replace it with Section 04- Unit Price Form – Revised Addendum #4 (attached).

QUESTIONS & ANSWERS:

Question 1. For the items that are label as storm drainage in the unit bid list you have them labeled as side drain pipe in the summary of proposed drainage structures on sheet C-6. That being said should the bidder use the storm drainage detail with bedding, type a backfill, and type b backfill, or do we use the side drain detail that shows just backfilling with type b backfill. Please clarify.

Answer 1. Drainage structures (pipes) with Description of “SIDE DRAIN PIPE” on Sheet C- 6 shall be installed in accordance with “STORM DRAIN” detail.

Question 2. Can you confirm if there is or isn’t a safety end treatment at the end of the pipe shown on sheet PP-1. It seems for that item you only want rip rap on top of fabric can you confirm?

Answer 2. In the two (2) locations on Sheet PP-1 where Side Drain End Treatment is called for, provide end treatment of rip-rap and geotextile fabric as indicated on the Plans. No “Safety End” is required. This work will be paid for under Pay Item 702-06-00100 Side Drain End Treatment.

Question 3. Proposal Item 203-01-00100 “General Excavation” has a quantity of 6,586 CY.

This quantity is enough to dig a 5’ wide x 5’ deep trench on both sides of Casril Drive for the entire length. The Specifications indicate it will be used for “excavation of material for ditches and channels, and any other miscellaneous excavation required to complete the Work as shown on the http://www.stpgov.org/

ST. TAMMANY PARISH

MICHAEL B. COOPER

PARISH PRESIDENT

PROCUREMENT DEPARTMENT

P.O. BOX 628 | COVINGTON, LOUISIANA | 70434 | PROCUREMENT@STPGOV.ORG | 985-898-2520

WWW.STPGOV.ORG

Version 2026.1

PLANS.” Will this item be used to pay for all excavation to lay new pipe? If not, what other areas may be excavated and use this item for payment?

Answer 3. No measurement will be made for excavation of culverts (pipes). In the Unit Price Bid Form, Reference No: 203-01-00100 General Excavation, the Quantity of 6586 CY shall be removed and replaced with the Quantity of 2510 CY.

ATTACHMENTS:

1. Section 04- Unit Price Form – Revised Addendum #4.pdf

End of Addendum # 4 http://www.stpgov.org/

TO: BID FOR:

St. Tammany Parish Government Casril Drive Drainage Improvements

21454 Koop Drive, Suite 2F Bid No.: 26-23-2

Mandeville, LA. 70471 (OWNER TO PROVIDE NAME AND ADDRESS OF OWNER) (OWNER TO PROVIDE PROJECT NAME & OTHER IDENTIFYING INFO)

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

201-01-00100 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

202-01-00100 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

202-02-02000 1213 SY

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

202-02-06100 363 SY

LOUISIANA UNIFORM PUBLIC WORK BID FORM

Wording for "description" is to be provided by the Owner. All Quantities Estimated. The Contractor will be paid based upon actual quantities as verified by the Owner.

UNIT PRICES: This form shall be used for any & all work required by the Bidding Documents & described as unit prices. Amounts shall be stated in figures & only in figures.

Clearing and Grubbing

Removal of Asphalt Drives

Removal of Concrete Drives

UNIT PRICE FORM

Removal of Structures and Obstructions

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

Version 2017 Q2

REVISED

ADDENDUM #4

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

202-02-09000 1722 LF

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

202-02-38300 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

203-01-00100 2510 CY

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

204-02-00100 270 EACH

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

204-06-00100 275 LF

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

402-03-00101 394 CY

General Excavation

UNIT PRICES: This form shall be used for any & all work required by the Bidding Documents & described as unit prices. Amounts shall be stated in figures & only in figures.

Temporary Silt Fencing

Removal of Existing Culverts

Removal of Sign and U-Channel Posts

Temporary Hay Bales

Non-Mainline Temporary Maintenance Surfacing (Aggregate) (Vehicle Meas)

Wording for "description" is to be provided by the Owner. All Quantities Estimated. The Contractor will be paid based upon actual quantities as verified by the Owner.

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

Version 2017 Q2 Page 2 of 7

(Quantity times unit price)

502-01-00100 838.2 TON

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

502-01-00200 22.9 TON

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

502-03-00200 2000 SY

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

509-01-00100 7828.1 SY

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

510-01-00200 400 SY

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

701-01-01020 141 LF

Milling Asphalt Pavement (2" Mill)

Asphalt Concrete

Asphalt Concrete, Drives, Turnouts, Misc.

Asphalt Concrete Drives (6" Thick)

UNIT PRICES: This form shall be used for any & all work required by the Bidding Documents & described as unit prices. Amounts shall be stated in figures & only in figures.

Wording for "description" is to be provided by the Owner. All Quantities Estimated. The Contractor will be paid based upon actual quantities as verified by the Owner.

Cross Drain Pipe (18-inch RCP)

Pavement Patching (12" Thickness)

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

Version 2017 Q2 Page 3 of 7

(Quantity times unit price)

701-03-01015 49 LF

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

701-03-01020 736 LF

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

701-03-01040 376 LF

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

701-03-01060 1928 LF

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

701-03-01080 1040 LF

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

701-04-01060 56 LF

UNIT PRICES: This form shall be used for any & all work required by the Bidding Documents & described as unit prices. Amounts shall be stated in figures & only in figures.

Storm Drain Pipe (15-inch PVC)

Storm Drain Pipe (18-inch RCP)

Storm Drain Pipe (24-inch RCP)

Storm Drain Pipe (30-inch RCP)

Storm Drain Pipe (36-inch RCP)

Storm Drain Pipe (30-inch EQ RCPA)

Wording for "description" is to be provided by the Owner. All Quantities Estimated. The Contractor will be paid based upon actual quantities as verified by the Owner.

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

Version 2017 Q2 Page 4 of 7

(Quantity times unit price)

701-14-02000 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

702-03-00100 30 EACH

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

702-06-00100 2 EACH

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

706-02-00200 363 SY

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

713-01-00100 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

726-01-00100 301 CY

Temporary Signs and Barricades

Clean Existing Box Culverts

Bedding Material

Wording for "description" is to be provided by the Owner. All Quantities Estimated. The Contractor will be paid based upon actual quantities as verified by the Owner.

UNIT PRICES: This form shall be used for any & all work required by the Bidding Documents & described as unit prices. Amounts shall be stated in figures & only in figures.

Catch Basins (CB-01)

Side Drain End Treatment

Concrete Drive (6" Thick)

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

Version 2017 Q2 Page 5 of 7

(Quantity times unit price)

727-01-00100 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

729-01-00100 4 EACH

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

729-01-00200 4 EACH

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

731-02-00100 178 EACH

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

732-01-01080 24 LNFT

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

732-02-02000 2.8 MILE

Mobilization

Reflectorized Raised Pavement Markers

UNIT PRICES: This form shall be used for any & all work required by the Bidding Documents & described as unit prices. Amounts shall be stated in figures & only in figures.

Plastic Pavement Striping (24" Width)(Thermoplastic 90 Mil)

Plastic Pavement Striping (4" Width)(Thermoplastic 90 Mil)

Wording for "description" is to be provided by the Owner. All Quantities Estimated. The Contractor will be paid based upon actual quantities as verified by the Owner.

Signs (Type A)

Mounting of Signs (Type A)

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

Version 2017 Q2 Page 6 of 7

(Quantity times unit price)

739-01-00100 1.3 ACRE

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

740-01-00100 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

740-02-00100 1 LS

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

ST-01 6 EACH

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

Description:

REF NO.: QUANTITY UNIT OF MEASURE UNIT PRICE UNIT PRICE EXTENSION

(Quantity times unit price)

Wording for "description" is to be provided by the Owner. All Quantities Estimated. The Contractor will be paid based upon actual quantities as verified by the Owner.

Hydro-seeding

UNIT PRICES: This form shall be used for any & all work required by the Bidding Documents & described as unit prices. Amounts shall be stated in figures & only in figures.

Utility Oversight and Coordination

Asphaltic Concrete Speed Tables

Construction Layout

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

BASE BID OR ALT #

Version 2017 Q2 Page 7 of 7

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