Specifications include, but are not limited to: : Class A with minimum 28-day compressive strength of 3000 psi., minimum cement content of 6 sacks (94 lbs/sack) per cubic yard maximum water content of 6 gallons per sack of cement, air content of three (3) to six (6) percent,maximum slump of three (3) inches and coarse aggregate of 67 size. Estimated annual quantity: 1,100 CY (cubic yard). Pricing is for a firm, delivered price to any point in City for a three contract, per the attached specifications. Class A as line 1 description with high-early strength obtained by using 7.2 sacks of cement per cubic yard of concrete, mix proportions described in (a) above to be adjusted to yield 1 CY of concrete with correct slump. Estimated annual quantity: 500 CY (cubic yard) Pricing is for a firm, delivered price to any point in City. for a three year contract per the attached specifications. Class A, 3000 psi Chatt Curb &Gutter Mix. Estimated annual quantity: 1200 CY (cubic yard) Pricing for a firm, delivered price to any point in City for a three year contract per the attached specifications. Class B with minimum 28-day compressive strength of 2500 psi, minimum cement content of 5.4 sacks per cubic yard, maximum water content of 6.4 gallons per sack of cement, air content of three to six (6) percent, maximum slump of three (3) inches, and coarse aggregate of 67 size. Estimated annual quantity: 200 CY (cubic yard) Pricing for a firm, delivered price to any point in City for a three year contract per the attached specifications.
