SECTION 02222

EXCAVATION

PART 1 GENERAL

SECTION INCLUDES

Excavation [for building foundations.] [down to pile caps.]

Excavation for [slabs-on-grade] [paving] [landscaping] [__________].

Excavation for site structures.

RELATED SECTIONS

[Document] [Section [_____-__________]: Unit prices for excavation work.

Section 01400 - Quality Control: Inspection of bearing surfaces.

Section 01500 - Construction Facilities and Temporary Controls: Dewatering excavations and water control.

Section [_____-__________]: Shoring and underpinning.

Section 02202 - Rock removal: Removal of Rock during excavation.

Section 02211 - Rough Grading: Topsoil and subsoil removal from site surface.

Section 02223 - Backfilling.

Section 02225 - Trenching: Excavation for utility trenches.

Section [_____-__________]: Excavation for piling.

Section [_____-__________]: Slope protection and erosion control.

FIELD MEASUREMENTS

Verify that survey benchmark and intended elevations for the Work are as indicated.

PART 2 PRODUCTS

Not Used.

PART 3 EXECUTION

PREPARATION

Identify required lines, levels, contours, and datum.

Identify known underground, above ground, and aerial utilities. Stake and flag locations.

Notify [utility company] [_______________] to remove [and relocate] utilities.

Protect above and below grade utilities which are to remain.

Protect plant life, lawns, [rock outcropping] and other features remaining as a portion of final landscaping.

Protect bench marks, [existing structures,] [fences,] sidewalks, paving, and curbs from excavation equipment and vehicular traffic.

EXCAVATION

Underpin adjacent structures which may be damaged by excavation work, including utilities and pipe chases.

Excavate subsoil required to accommodate building foundations, [slabs-on-grade] [paving] [and] [site structures], construction operations, and [_______________.]

[Excavate to working elevation[s] for piling work.][Coordinate special requirements for piling.]

Machine slope banks[.] [to angle of repose or less, until shored.]

Excavation cut not to interfere with normal [45] [_____] degree bearing splay of foundation.

Grade top perimeter of excavation to prevent surface water from draining into excavation.

Hand trim excavation. Remove loose matter.

Remove lumped subsoil, boulders, and rock up to [1/3] [_____] cu yd ([0.25] [_____] cu m) measured by volume. Larger material will be removed under Section [02202.] [_____.]

Notify Architect/Engineer of unexpected subsurface conditions and discontinue affected Work in area until notified to resume work.

Correct unauthorized excavation at no extra cost to Owner.

Correct areas over-excavated by error [in accordance with Section 02222.] [__________.]

[Stockpile excavated material in area designated on site [and remove excess material not being reused, from site]] [Remove excavated material from site.]

FIELD QUALITY CONTROL

Field inspection will be performed under provisions of Section [01400.] [_____.]

Provide for visual inspection of bearing surfaces.

PROTECTION

Protect excavations by methods required to prevent cave-in or loose soil from falling into excavation.

Protect bottom of excavations and soil adjacent to and beneath foundation, from freezing.

END OF SECTION