For highway construction oregon department of transportation salem, oregon


SP00310 (2015 Specifications: 07-16-15)



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SP00310 (2015 Specifications: 07-16-15)

SECTION 00310 - REMOVAL OF STRUCTURES AND OBSTRUCTIONS



(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project. The specifications may be modified to include project specific specifications, but all additions, deletions, or modifications must be sent to the ODOT Technical Resource and Senior Specifications Engineer for review and approval.)
(Use the following lead-in paragraph when subsections .80 and .92 are NOT included in the project.)
Comply with Section 00310 of the Standard Specifications.


(Use the following lead-in paragraph when subsections .80 or .92 are included in the project.)



Comply with Section 00310 of the Standard Specifications modified as follows:



(Use the following subsection .80 only when saw cutting is included as a pay item.)



00310.80  Measurement - Add the following to the end of the length and area bullet:



Asphalt pavement cutting will be the length of the actual cut based on a depth of 6 inches. If the depth is greater than 6 inches, the length will be adjusted by converting to an equivalent number of feet on a proportionate length basis.



(Use the following subsection .92 only when saw cutting is included as a pay item.)



00310.92  Separate Item Basis - Add the following pay item to the pay item list:



(g) Asphalt Pavement Saw Cutting Foot



Add the following paragraph to the end of this subsection:



Item (g) applies to asphalt pavement saw cutting when shown.





SP00320 (2015 Specifications: 01-08-15)



SECTION 00320 - CLEARING AND GRUBBING



(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project. The specifications may be modified to include project specific specifications, but all additions, deletions, or modifications must be sent to the ODOT Technical Resource and Senior Specifications Engineer for review and approval.)
(A letter of public interest finding is required when trees, vegetation, or material will be salvaged by the Agency.)
(Use the following lead-in paragraph when none of the following subsections are included in the project.)
Comply with Section 00320 of the Standard Specifications.
(Use the following lead-in paragraph when any of the following subsections are included in the project.)
Comply with Section 00320 of the Standard Specifications modified as follows:

Add the following:



(Use following subsection .40(b) when trees are to be saved or when salvaging of vegetation or natural materials is required.)
00320.40(b)  Preserving and Trimming Vegetation - Replace this subsection with the following subsection:
00320.40(b)  Preserving Vegetation and Other Natural Materials:
(1)  Within the Work Areas - Avoid injuring vegetation or other natural materials designated to be saved. Preservation of this vegetation includes protection and special care.
(2)  Outside the Work Areas - Avoid injuring vegetation or other natural materials. Confine operations which may injure vegetation or other natural materials to the work area or to areas that have already been cleared.
(Use the following subsection .40(b-3) when vegetation or materials are to be saved.)
(3)  Vegetation and Materials to be Saved - The Engineer will designate no work zones and identify and mark trees, existing landscaping, vegetation, or other natural materials to be saved, as shown. Provide and place work zone fencing, from section 00225.12 of the QPL, around designated no work zones and critical root zones of marked trees, as directed. Do not begin construction activity or move equipment into existing landscaped or vegetated areas until the work zone fencing is in place to designate and protect no work and critical root zones.
Do not work within the no work zones or critical root zone of marked trees unless written approval is obtained from the Engineer. Be responsible for all damage to and removal of trees, landscaping, vegetation or other natural materials designated to be saved. Damage will be determined by a specialist selected by the Engineer.
(Use the following subsection .40(b-4) when salvaging of vegetation or natural materials is required. If subsection .40(b-3) is not used, renumber this subsection to .40(b-3).)
(4)  Salvaging Vegetation and Natural Materials - As shown or directed, salvage and stockpile plants, rocks, down timber, and other natural materials for use in site restoration. Do not salvage material dominated by weedy species, as directed. If shown, salvage conifer trees that are greater than 18 inch diameter at breast height (DBH) with root wad intact. Store salvaged material in a clean and dry place until site restoration, or as directed.
(Use the following lead-in and subsection .40(c) when tree trimming is required.)
Add the following subsection:
00320.40(c)  Tree and Vegetation Trimming - Trim trees according to good tree surgery practices, as directed, and according to the following:
Do not leave unsound branches of trees in place.

Trim branches over roadways and bridges to provide at least 20 feet of clearance above the roadway surface.

Trim branches over walks to provide at least 8 feet of clearance above the walk surface.

Trim branches that obstruct sight distance at intersections or impair the visibility of signs.


Keep equipment and materials off of the critical root zone as directed.
Remove hazardous, dead, and damaged trees outside the clearing limit as directed.
(Use the following subsection .42 when salvaging of vegetation or natural materials is required.)
00320.42  Disposal of Matter - Replace this subsection with the following subsection:
00320.42  Ownership and Disposal of Matter - Vegetation and natural material designated for preservation and salvage are the property of the Agency. All other matter and debris accumulated from clearing and grubbing operations become the Contractor’s property at the place of origin. Dispose of all matter and debris according to 00290.20.
00320.44  Site Preparation  – Notify the Agency 30 days prior to breaking ground at a site. Agency to clear site of transients and associated hazardous debris.




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