City of Frisco Engineering Standards

SECTION 312316
EXCAVATION (ROADWAY)
PART 1 – GENERAL
1.01 DESCRIPTION
A. All material, labor, equipment, tools and superintendence necessary to furnish and install
Excavation (Roadway) in accordance with Texas Department of Transportation Standard
Specifications for Construction and Maintenance of Highways, Streets, and Bridges Item
110..
1.02 REFERENCES
A. TxDOT Item 110.
PART 2 - PRODUCTS
2.01 MATERIALS
A. Refer to TxDOT Item 110.2.
B. All excavation shall be unclassified, and shall include the removal of all materials
encountered, regardless of their nature or the manner in which they are removed.
PART 3 - EXECUTION
3.01 PREPARATION
A. Refer to TxDOT Item 110.2
B. Frequency of compaction testing shall not exceed one test for every three hundred linear feet
300’ spacing or less, alternating from left quarter point to center line to right quarter point of
the cross section width.
C. For density and moisture requirements of moisture treated excavation areas see Section
32112 Moisture Treated Subgrade.
PART 4 - MEASUREMENT AND PAYMENT
4.01 MEASUREMENT
A. Refer to TxDOT Item 110.3 or as indicated in the Contract Documents.
B. The plan quantity will be determined through calculations and will be used for determining
final quantity amounts for payment purposes. Contract adjustments may be made if the actual
measured quantity varies by more or less than 5% of the total estimated plan quantity amount.
Either the City or the Contractor may initiate this adjustment. If the adjustment is requested
by the Contractor, the Contractor must obtain field measurements and calculations justifying
City of Frisco May 2012
Standard Technical Specification Excavation (Roadway) 312316-1