Soo Concrete Master Blanket Purchase Agreement (BPA)

This scope of work specifies concrete necessary to perform repairs in various locations throughout the St Marys Falls Canal facility for 2014 and 2015.

Specific delivery quantities and times will be coordinated by Soo Area Office personnel with the contractor on a "will call" basis. Minimum and maximum total order quantities for each calendar year are specified below.

The minimum concrete quantity requested for an individual delivery will be 3 cubic yards. Delivery lead time shall be no longer than three business days (Monday - Friday, excluding Federal Holidays).

Materials shall be delivered to the St Marys Falls Canal, 119 E Water St, Sault Ste Marie, MI 49783. USACE Point of Contact for delivery scheduling is Peter Sporte, (906)635-3456.

REFERENCED SPECIFICATIONS:

The following specifications form a part of this scope of work to the extent referenced:
 ACI 306R Guide to Cold Weather Concreting; American Concrete Institute, 2010
 ASTM C94 Standard Specification for Ready-Mixed Concrete; ASTM International, 2014
 ASTM C150 Standard Specification for Portland Cement; ASTM International, 2012

MATERIAL SPECIFICATIONS:

Concrete shall comply with ASTM C94 and the following specifications:
 Cement Type: ASTM C150 Type I or Type II
 Strength: Compressive strength shall be 3500 psi at 28 days
 Aggregate: Maximum aggregate size shall not exceed 1.5 inch
 Total Air Content: Shall comply with ASTM C94 Table 1 based on selected maximum
    aggregate size and severe exposure
 Slump: Slump shall not exceed 4 inches
 Plant Certification: Concrete shall be supplied by a plant certified by the National
    Ready Mix Concrete Association

Cold weather concrete shall comply with all specifications listed above and shall:
 Be heated in accordance with ACI 306R-10 Section 5 to ensure minimum delivered
    temperature of 55°F. Additional accelerant admixtures are not required.