S-10-0296 914_switchback.doc

Section 914 -- Switchbacks

Description

914.01 Work. Work consists of construction of switchbacks, including clearing and grubbing (on reconstruction sections), excavation, associated barriers, ditches, retaining walls, and approach sections.

Materials

914.02 Requirements. Use materials meeting the requirements of Section 961.

Construction

914.03 Excavation and Embankment. Perform excavation and embankment in accordance with Section 912.

Construct upper leg of switchback wide enough to allow for ditch and constructed rock barrier where required.

914.05 Barriers. Random rocks and logs shall be placed between the upper and lower approach sections to act as barriers if natural barriers do not exist. In addition, where NOTED ON THE TRAIL LOG, construct a rock barrier along the upper approach section and into the turn section.

914.06 Ditches. Where NOTED ON THE TRAIL LOG, construct a ditch along the upper approach section and into the turn section.

914.07 Limits of Switchback. Beginning and ending of switchback will be as SHOWN ON THE DRAWING.

Measurement

914.08 Method. Measure the quantities in accordance with Section 906.

Payment

914.09 Basis. Pay for the accepted quantities in accordance with Section 906 at the contract unit price for each PAY ITEM SHOWN IN THE SCHEDULE OF ITEMS.

The following will be considered incidental to the PAY ITEMS SHOWN IN THE SCHEDULE OF ITEMS and extra payment will not be given:

(a) Barriers, retaining walls, and ditches constructed as part of the switchback.

(b) Any clearing or grubbing necessary in the reconstruction segments.

Make payment under:

PAY ITEM

PAY UNIT

914(01) Switchbacks

EA

914-1 (12/12/2009)