Quebradas__Materials_Specifications.docx
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- Attached to
- CONSTRUCTION MATERIALS - QUEBRADAS Federal contract opportunity
- Solicitation number
- L15PS00587
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Material Specifications
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Sol_L15PS00587.pdf | ||
| QUEBRADAS_Bid_Schedule2_June_2015.xlsx | XLSX spreadsheet | |
| Quebradas_Road_Materials_Map2.pdf | ||
| Quebradas_Road_Materials_Map1.pdf |
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Quebradas Road Materials Specifications
The Bureau of Land Management (BLM), Socorro Field Office (SFO) is seeking to purchase materials for the maintenance of Quebradas Road. All materials shall be delivered to the SFO at 901 S. Highway 85, Socorro, NM 87801 except for the rip rap and base course which shall be delivered to the Quebradas delivery site (see attached maps). The specifications for each of the separate materials are as follows:
Basalt Rip Rap Specifications The required rock shall be hard and durable and shall have a minimum weight of 155 pounds per cubic foot, or a bulk specific gravity of 2.5. The rock shall be free from overburden, spoil, shale, and organic material. Each load of rip rap shall be well graded from the smallest to the maximum size specified.
Supplier shall provide certified lab results stating that the following rock specification is being met prior to trucking.
Payment will be made after trucking is complete and off the certified scale tickets.
Class “C” Basalt Rip Rap Rock Gradation Requirement
Rock size
Percent Passing
| 30” |
| 100% |
| 18’’ |
| 50% |
| 9” |
| 0% |
| Fractured Faces |
| +50% |
Base Course Specifications This specification is for Well Graded, slightly modified NMDOT specification for Class I sub-base, incorporating some plasticity and used as a gravel road surface which will not be paved.
Contractor shall provide certified lab results for the following gravel type 10 days prior to trucking, to include a Proctor value for compaction and optimum moisture requirements to achieve a minimum 95% compaction rate.
MODIFIED WELL GRADED BASE COURSE:
NMDOT
Modified Class I Base Course Specification
| Sieve Size |
| Percent Passing |
| 1 1/2’’ |
| 100 % |
| 1’’ |
| 70-100 % |
| No. 4 |
| 30-55% |
| No. 10 |
| 20-40 % |
| No. 200 |
| 6-15 % |
| Soundness |
| 18 or less |
| L.A. Abrasion |
| 50 or less |
| Liquid Limit |
| 35 or less |
| Plasticity Index |
| 6-10 |
| 2 fractured Faces |
| 50% |
CMP Specifications 16 gauge, 2- 2/3” x ½” height of cover, corrugated steel pipe with prefabricated flared end sections and coupling bands (minimum width of 12”) that conform to AASHTO M 36 and either AASHTO M 218, M 274, or M 289. CMP shall also conform to ASTM A 760/A 760M Type 1 for the dimensions specified below:
| SIZE | UNIT | QUANTITY | ||
| 42” Round CMP | LF | 122 | ||
| 42” Bands | Ea | 4 | ||
| 42” End Sections | Ea | 4 |
SPECIFICATIONS FOR MESH GABION BASKETS
ZINC COATED
Mesh opening
Hex. nom. 3 1/4" x 4 1/2"
Wire for netting
0.1181" nom. diam.
Wire for selvedges
0.1535" nom. diam.
Wire for binding
0.0866" nom. diam.
Zinc coating
Galvanized gabions:
| -lacing wire |
| 0.0866 0.70 ozs/sq.ft |
| -Mesh wire |
| 0.1181 0.80 ozs/sq.ft |
| -Selvedging wire |
| 0.1535 0.90 ozs/sq.ft |
Geotextile Physical Properties (Filter Fabric)
Property
| Test Method |
| Test Value |
| Units |
Mass per unit area, nominal
| ASTM D 5261 |
| 10 |
| oz/yd2 |
Grab tensile
| ASTM D 4632 |
| 200 |
| Lbs |
Elongation at break
| ASTM D 4632 |
| 50 |
| % |
Trapezoidal tear
| ASTM D 4533 |
| 90 |
| Lbs |
Puncture strength
| ASTM D 4833 |
| 110 |
| Lbs |
Burst strength
| ASTM D 3786 |
| 380 |
| Lb/in2 |
Permittivity
| ASTM D 4491 |
| 0.8 |
| Sec-1 |
Apparent opening size
| (minimum US Sieve No. / |
| ASTM D 4751 |
| 70 |
| US Sieve |
maximum opening size)
| UV resistance, |
| ASTM D 4355 |
| 70 |
| % Retained |
strength retained
(500 hours.)
SPECIFICATIONS FOR HOG RINGS
Galvanized, 1-1/2" Blunt point 11 gauge regular C Ring
Closure Size
9/16" to 5/8"
Fits Bostitch Tools SC50T, SC50HP
SPECIFICATIONS FOR WIRE TIED RIP RAP MESH - ASTM A975-97
ZINC COATED
Diameter of mesh wire
0.120"
Diameter of selvdge wire
0.153"
Diameter of lacing wire
0.091"
Coating of wire
Finish 5 class 3 zinc coating ASTM A-641 tested in accordance with ASTM A370-92
| Tensile of wire |
| 54,000-70,000 psi soft temper Accordance with ASTM A641-92 |
| Weight of zinc coating of wire |
| Determined by ASTM A-90 |
| Mesh Opening Size |
| 3.25" x 4.50" |
| Mesh Wire 0.120" |
| Weight of zinc coating 0.85 oz/sf |
| Selvdge wire 0.153" |
| Weight of zinc coating 0.90 oz/sf |
| Lacing wire 0.091" |
| Weight of zinc coating 0.80 oz/sf |
| Grade of zinc coating of wire |
| High grade or special high grade in accordance with ASTM B-6, Table 1 |
| Uniformity of coating of wire |
| Determined by ASTM A-239 |
| Elongation |
| Not less than 12% in accordance with ASTM A370-92 |
Gabion Rip Rap Specifications Gabion Riprap Rock- Furnish hard, durable, angular rock that is resistant to weathering and water action and free of organic or other unsuitable material. Conform to the following:
| (a) Coarse durability index, AASHTO T 210: | 52 min. |
| (b) Mass (pounds per cubic foot) : | 100 min. |
(c) Gradation Requirements for Riprap:
Maximum Dimension (inches): 8 Minimum Dimension (inches): 4
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