140P1223Q0047_Attachment_One_1_Specifications_SOW.pdf
PDF 136 KB Posted
- Attached to
- Concrete Delivered - ARCH Federal contract opportunity
- Solicitation number
- 140P1223Q0047
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| 140P1223Q0047_Attachment_Three_3_Wage_Determination_Grand_County_UT.pdf | ||
| Sol_140P1223Q0047.pdf | ||
| 140P1223Q0047_Attachment_Two_2_MAPs.pdf |
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Text version
SUPPLY CONCRETE ARCHES NATIONAL PARK
140P1223Q0047 NPS Arches National Park Attachment #1
CONCRETE and DELIVERY SPECIFICATION
A. The Concrete shall be grey or the integral color concrete. The color shall be Davis 5084.
Other brands of similar color may be used. Color shall be added to the mix design at 12 lbs. of color per cubic yard of concrete.
B. Air Entrainment: 6% ± 1%. ASTM C260 specification.
C. 28 Day Compressive Strength: ≥ 4,000 psi mix design. ASTM C873 specification.
D. Cement: Type I or II. ASTM C150 specification.
E. Water-Cement Ratio: 0.35 ≤ W/C ≤ 0.45.
F. Slump at Maximum W/C Ratio: 4 to 6 inches. ASTM C143 specification.
G. Maximum Aggregate Size: 1 inch. ASTM C33 specification.
H. Temperature: ≤ 90°F. ASTM C1094 specification.
I. Ice: Add ice at 15 lbs. per cubic yard if requested by the Park.
J. Delay Set: Add delay set if requested by the Park for delay up to 2 hours. ASTM C1017 specification.
K. Fly Ash: Option if requested by the Park for substituting 10-25% of required cement amount with fly ash by weight. ASTM A618 specification.
L. Hot Water: Substitute Hot Water in Mix Design for cold weather concrete.
M. Calcium Chloride: 0.5% to 2.0% if requested.
N. Fiber Mesh: Option if requested for micro fibers normally added at 1.5lbs/ft3.
CONCRETE BOOM PUMP TRUCK
A. Reach: The Boom Pump Truck shall be capable of pumping concrete to a 5-foot wide walkway up to 70-feet away from the edge of an asphalt roadway with two-rail fencing.
SUPPLY CONCRETE ARCHES NATIONAL PARK
B. Delivery Rate: The Boom Pump Truck shall be capable of pumping concrete at a minimum rate of 20 cubic yards per hour.
EXECUTION STATEMENT OF WORK (SOW)
CONCRETE DELIVERY
A. NPS will schedule the exact time and date of delivery with the Contractor.
B. Contractor to deliver to the site specified by the Park.
C. The Park will place and finish the delivered concrete.
D. The Contractor shall allow 6 minutes per cubic yard unloading time with no additional costs.
The Contractor may charge the Park for unloading time in excess of 6 minutes per cubic yard, at the Contractor’s documented hourly rate.
E. The Park will provide an area for washing out the truck drum after delivery to the site.
SAFETY
A. The work site shall always be maintained to protect visitor, employee and Contractor safety.
END OF SECTION
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