Amendment_1_revised_specification.pdf
PDF 23 KB Posted
- Attached to
- Sand Hill River Fish Passage Federal contract opportunity
- Solicitation number
- W912ES15B0007
About this file
Amendment 1 Revised Specifications
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| W912ES15B0007_Bid_Abstract.pdf | ||
| Amendment_0002_15B0007.pdf | ||
| Amendment_2_Revised_Bid_Schedule.pdf | ||
| Amendment_1_Protected_Waters_Permit.pdf | ||
| Amendment_1_15B0007.pdf | ||
| Amendment_1_Sand_Hill_Revised_Bid_Schedule.pdf |
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Text version
SAND HILL RIVER FISH PASSAGES SAND_HILL-SOLIC
include:
Unit Weight and Absorption (ASTM C 127).
Petrographic Examination (ASTM C 295 and ASTM D 4992).
Resistance to Freezing and Thawing (ASTM D 5312).
c. Sampling and Testing. Samples from alternate sources shall be taken by a representative of the quarry under the supervision of the Contracting Officer. Information provided with the samples shall include the location and stratigraphy within the quarry from which the sample was taken. The Contractor shall ship the samples to a laboratory identified by the Contracting Officer. The Government will be responsible for testing costs associated with one quarry per project; and the Contractor shall be responsible for testing costs for additional sources.
2.1.2 Acceptance of Materials
Acceptance of a source of stone is not to be construed as acceptance of all material from that source. The right is reserved to reject materials from certain localized areas, zones, strata, or channels, when such materials are unsuitable for stone as determined by the Contracting Officer. The Contracting Officer also reserves the right to reject individual units of produced specified materials in stockpiles at the quarry, all transfer points, and at the project construction site when such materials are determined to be unsuitable.
2.2 GEOTEXTILE
Geotextiles shall meet the requirements specified in Table 1 in accordance with AASHTO M 288. Where applicable, Table 1 property values represent minimum average roll values (MARV) in the weakest principal direction.
Values for AOS represent maximum average roll values.
Geotextile Fabric Requirements
Property, Units Test Method Requirement
Grab Strength, lbs., min ASTM D4632/D4632M 200
Percent Open Area, % Tear Strength, lbs., min
COE-22125-86 10
Puncture Strength, lbs., min
ASTM D6241 430
Permittivity, sec.-1, min.
ASTM D4491 0.1
Apparent Opening Size (AOS), U.S. Sieve (mm)
ASTM D4751 50, (0.30)
Ultraviolet Stability (retained strength), %
ASTM D4355/D4355M 50%, after 500 hours
Tensile Elongation, %, min
ASTM D4632/D4632M 50
Flow Rate, gal/min/ft2 ASTM D4491 5
2.3 BEDDING MATERIAL
Bedding material shall be composed of tough, durable particles, adequately
SECTION 35 31 19.00 13 Page 7 W912ES-15-B-0007
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