VanBurenAmendment1Pg2thru7.docx

SOLICITATION: AG-0343-C-16-0048

Van Buren Creek Culvert Replacements Amendment 1, Page 2 Dated 6/14/2016

3. Insert the following paragraph in place of the bullet “Structural Backfill Source (Commercial Source)” in Section G-1 GOVERNMENT FURNISHED PROPERTY.

“Structural Backfill Source (Government Furnished Source) - A source for structural backfill is available at milepost 29.5 on Road No. 221 or the Van Ridge Pit located on Forest Road 441 at mile post 20.4.”

4. Strike Section FSSS 105 CONTROL OF MATERIAL in Attachment J-2 Forest Service Supplemental Specifications and replace in its entirety with the amended section provided on page 3. Changed language is highlighted in yellow.

5. Strike Section FSSS 208 STRUCTURE EXCAVATION AND BACKFILL FOR SELECTED MAJOR STRUCTURES in Attachment J-2 Forest Service Supplemental Specifications in its entirety and replace with the amended section provided on pages 4-6. Changed language is highlighted in yellow.

6. Add Section FSSS 704 Soil to J-2 Forest Service Supplemental Specifications in its entirety; provided on page 7.

RESPONDENT SHALL ACKNOWLEDGE RECEIPT OF THIS AMENDMENT BY ONE OF THE METHODS OUTLINED IN BLOCK 11 OF THE SF-30 FORM. DEADLINE FOR RECEIPT OF OFFERS REMAINS UNCHANGED.

Amendment 1, Page 3 Dated 6/14/2016

105 – CONTROL OF MATERIAL

105.02 Material Sources.

Add the following before the first paragraph.

Sources have been designated for this project as follows:

Waste Site (Government Furnished Source) – A waste site for excess or unsuitable material is located on the east side of Road No. 2002 at mile post 2.4, which is 3.6 miles southwest of the project site. The CO will designate the specific waste site location. All other materials designated for removal and disposal must be disposed of off National Forest Lands per FSSS Section 203.05.

Crushed Aggregate (Government Furnished Source) – A source for crushed aggregate is available at milepost 29.5 on Road No. 221 or the Van Ridge Pit located on Forest Road 441 at mile post 20.4.

Approved Material Stockpile Site – The Contractor will be allowed to stockpile material, including riprap, crushed aggregate, and culvert components, adjacent to the existing culvert. There is limited space available for stockpiled materials. Additional space for stockpile will be made available at the waste site. Materials must be stockpiled in such a manner as to avoid damage to any trees at the culvert site and must be placed above the ordinary high water mark of the stream. Provide the CO 72 hours advance notification prior to stockpiling any materials at the construction site.

Riprap Source (Commercial Source) Structural Backfill Source (Government Furnished Source) - A source for structural backfill is available at milepost 29.5 on Road No. 221 or the Van Ridge Pit located on Forest Road 441 at mile post 20.4.

Foundation Fill (Commercial Source) Native Streambed Material (Government Furnished Source) – The contractor shall use suitable onsite material from channel excavation or structure excavation for channel construction. All material must meet FSSS Section 705.07 and be approved by the CO before placement.

Roadway Embankment (Government Furnished Source) – Use suitable structural excavation for roadway embankment.

Add the following to section (b) Contractor-located sources:

Prior to any pit development or use of materials, the Contractor shall provide to the CO a State certification that the pit site is free of noxious weed as listed on the "All States Noxious Weeds List”.

Amendment 1, Page 4 Dated 6/14/2016

208 – STRUCTURE EXCAVATION AND BACKFILL FOR SELECTED MAJOR STRUCTURE

208.04 General.

Add the following:

Submit four sets of the excavation plan to the CO for approval a minimum of 21 days before the start of construction.

Use all suitable material from structure excavation in the construction of the roadway embankment outside the limits of structural backfill. Field drain and dry excessively wet material that is otherwise suitable for embankment before placement. Place and shape unsuitable or excess material in the designated sites or as directed by the CO.

208.08 Dewatering.

Delete the subsection and add the following:

Submit a dewatering plan according to Section 157.03.

Construct diversion prior to performing any excavation and according to Sections 157.08 and 157.09. Construct diversions using water tight, non-eroding methods. Employ settling basins or other methods so that muddy water is not returned to stream. Install, operate, and remove diversions in a manner that minimizes erosion and sedimentation.

208.10 Backfill.

Add the following:

Submit four sets of the backfill and compaction plan to the CO for approval a minimum of 21 days before the start of backfilling operations.

208.11 Compacting.

Add the following:

ALL foundation fill and structural backfill material shall be tested per FP-03 208 (AASHTO T99, Method C). Compact material placed in all layers to at least 95 percent of the maximum density.

208.13 Measurement.

Delete Subsection 208.13 and replace it with the following:

Measure the Section 208 items listed in the bid schedule according to Subsection 109.02 and the following:

Measure structural excavation by the cubic yard to the neat lines shown on the plans or the contractor’s approved proposed excavation plan. Do not include the following volumes in structure excavation:

1. Material excavated outside of the neat lines shown in the plans or approved in the contractors excavation plan;

1. Any material included within the staked limits of the excavation, such as continuous channel changes and ditches, for which measurement is covered under other sections;

1. Water or other liquid material;

1. Material excavated before measurements of the original ground; or

1. Material rehandled, except when the contract specifically requires excavation after embankment placement.

Amendment 1, Page 5 Dated 6/14/2016

Measure foundation fill and structural backfill by the cubic yard in place for the volume placed to the neat lines and grades shown on the plans or the contractor’s approved excavation plan.

Measure seal concrete under Section 552.

Table 208-1.

Delete Table 208-1 and add the following:

Amendment 1, Page 6 Table 208-1 Sampling and Testing Requirements

Before placing next layer Before using in work

Before placing next layer

(1) Minimum of 5 points per proctor.

Yes, when requested

In-Place Source of Material

In-Place

1/lift/footing 1 per soil type

1/lift/500SF

AASHTO T27 & T11

AASHTO T99, method C (1)

AASHTO T310 or other approved procedures AASHTO T99, method C (1)

AASHTO T310 or other approved procedures

Gradation

Moisture-density

Compaction Moisture-density

Compaction

(106.04) Measured and tested for conformance (106.04)

(704.01) Structural Backfill (704.04)

Dated 6/14/2016

Amendment 1, Page 7 Dated 6/14/2016

704 – SOIL

704.04 Structural Backfill.

Delete this section and replace with the following:

Structural backfill will be from a government furnished material source. The contractor will be responsible for hauling, stockpiling and placing the material.