For highway construction oregon department of transportation salem, oregon

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(g) Asphalt Pavement Saw Cutting Foot

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

SP320 (06-26-08)
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 but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.)

Comply with Section 00320 of the Standard Specifications modified as follows:

(Use the following subsection .40(b) when trees are to be saved.)
00320.40(b)  Preserving and Trimming Vegetation - Add the following to the end of this subsection:
(4)  Trees To Be Saved - The Engineer will identify and mark trees to be saved. Provide and place orange plastic mesh fencing, from the QPL, around critical root zones of marked trees or tree groups as directed. Do not begin construction activity or move equipment into existing tree areas until the plastic mesh fencing is in place.
Do not work within the critical root zone of marked trees unless written approval is obtained from the Engineer. Be responsible for all damage to or for removal of marked trees. Tree damage will be determined by a certified arborist selected by the Engineer.
00320.42  Ownership and Disposal of Matter - Replace this subsection with the following subsection:
00320.42  Disposal of Matter - Dispose of all matter and debris according to 00290.20.

SECTION 00330 - EARTHWORK
(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.)
Comply with Section 00330 of the Standard Specifications modified as follows:
(Use one of the following subsection .03's as instructed below. Generally, choose the "Embankment Basis" subsection when the embankment quantities are greater than the excavation quantities. Choose the "Excavation Basis" subsection when the excavation quantities are greater than the embankment quantities. Delete the one that does not apply. Check with the Designer for information.)
[ Use this subsection .03 only for "Embankment Basis" projects, modified (by filling in the blank) to exclude Ditch Excavation, Foundation Excavation or Toe Trench Excavation if any of these items are included in the bid schedule. Delete "except for _______" if it does not apply. ]
00330.03  Basis of Performance - Add the following paragraph to the end of this subsection:
Perform all earthwork under this Section except for ______________ Foundation Excavation on the embankment basis.
[ Use this subsection .03 only for "Excavation Basis" projects, modified (by filling in the blank) to exclude Stone Embankment if it is included in the bid schedule. Delete "except for ______" if it does not apply. ]
00330.03  Basis of Performance - Add the following paragraph to the end of this subsection:
Perform all earthwork under this Section except for ______________ on the excavation basis.
00330.20  Tamping Foot Rollers - In the paragraph, replace "115 tons" with "15 tons".
Add the following subsections:
00330.40 (d) Settlement Period - On all fills exceeding 10’ vertically (from existing ground to subgrade), allow a 60 day settlement period, prior to surfacing construction (base aggregate, HMAC pavement). The settlement period does not begin until each affected area has been completed to subgrade elevation.
After the 60 day settlement period, finish subgrade to the specified tolerances prior to the placement of base aggregates.
If the Contractor wishes to begin surfacing construction prior to the 60 day settlement period, implement a settlement monitoring program to evaluate the time-rate and magnitude of actual settlement. The monitoring program shall include:

Installation of settlement plates every 100 ft along the length of the embankment.
Surveying the elevation of the plates and the adjacent fill surface, at each 5’ increment of embankment construction and also on a weekly basis during and following construction of the embankment.
Confirm that primary settlement has occurred to the satisfaction of the Engineer, prior to commencement of surfacing construction.

00330.40 (e) Work Restrictions for Protection of eExisting 36” wWater pLineipe - Contractor shall place embankmentRip Rap geotextile (Type 2) and two feet of stone embankment as shown, in the plans over the existing City of Salem water line, prior to running any vehicular traffic or power operated equipment over the existing water line. Additionally the following restrictions apply to any Work .
performed in the area of the 36-inch water line in accordance with the detail shown in the plans.
Areas 1, 2, and 3:

Excavation shall be done only in the presence of the City of Salem Water Distribution Supervisor, Greg Watson, or his representative. A 48-hour notice to the Water Distribution Supervisor (588-6063) is required. Notice shall be made between 8:00 a.m. and 5:00 p.m. Monday through Friday and shall include schedules and locations of the work.

Use of a vibratory compactor or vibratory roller is prohibited in these areas. Hand Compaction methods shall be used until there is at least 2 feet of cover over pipes. The use of hand operated vibratory plates and/or hand operated static rollers will be allowed. No other power operated equipment or vehicles will be allowed in or above these areas until a minimum of 2 feet of compacted cover has been achieved. Use of a non vibratory steel wheel roller will be allowed when more than 2 feet of compacted cover has been achieved (Area 1 only). Vibratory rollers will not be allowed above restricted area.

Additional requirements for areas 2:

Excavation may be done only by means of a toothless bucket and/or hand devices (i.e. shovel).
Hand compaction methods shall be used until there is at least 2 feet of cover over the pipe.

Additional requirements for areas 3:

No excavation will be allowed without specific prior approval from the Engineer and the City of Salem Water Distribution Supervisor, Greg Watson (503-588-6063). Upon authorization from the Engineer, excavation may be done only by means of a toothless bucket and/or hand devices and may be subject to further restrictions as specified by the Engineer.

(Use the following subsection .41(a-4) when excess materials are to be used on the project only when there are sufficient R/W limits. Check with Project Leader.)
00330.41(a-4)  Excess Materials - Replace this subsection, except for the subsection number and title, with the following:
If the quantities of excavated materials are greater than required to construct embankments and to do all filling and backfilling, use the remaining materials to uniformly widen embankments or to flatten slopes in a manner satisfactory to the Engineer.
(Select only one of the following three .41(a-5) subsection options as instructed below.)
[ Option 1 - Use this subsection .41(a-5) only when subsection .41(a-4) above is used. ]
00330.41(a-5)  Waste Materials - Replace this subsection, except for the subsection number and title, with the following:
Unless otherwise specifically allowed and subject to the requirements of 00280.03, dispose of materials, classed as waste materials in 00330.41(a-3), outside and beyond the limits of the Project and Agency controlled property according to 00290.20. Do not dispose of materials on wetlands, either public or private, or within 300 feet of rivers or streams.
[ Option 2 - Use this subsection .41(a-5) only for Agency furnished disposal sites. Include SP235 when using this subsection. ]
00330.41(a-5)  Waste Materials - Replace this subsection, except for the subsection number and title, with the following:
Dispose of waste materials according to Section 00235 of these special provisions.
[ Option 3 - Use this subsection .41(a-5) only when Options 1 and 2 are NOT selected. ]
00330.41(a-5)  Waste Materials - Replace this subsection, except for the subsection number and title, with the following:
Unless otherwise specifically allowed and subject to the requirements of 00280.03, dispose of materials, classed as waste materials in 00330.41(a-3) and 00330.41(a-4), outside and beyond the limits of the Project and Agency controlled property according to 00290.20. Do not dispose of materials on wetlands, either public or private, or within 300 feet of rivers or streams.
(Use the following subsection .41(a-9) on excavation projects which include Section 00331 - Subgrade Stabilization.)
00330.41(a-9)  Excavation Below Grade - Delete the bullet that begins "Unstable Subgrade…".
(Use the following subsection .42(c-3) on projects when directed by the Erosion Control Designer.)
00330.42(c-3)  Embankment Slope Protection - Add the following paragraph:
Construct the outer 12 inches of embankments with suitable materials to establish slope stabilization through permanent seeding. If suitable material is not available, provide suitable materials from a Contractor-provided source which conforms to the requirements of 00330.11 or 00330.13 and provides favorable conditions for germination of seed and growth of grass.
00330.82 Embankment Basis Measurement - In the paragraph that begins "When measurement of earthwork…", replace the sentence that begins "Measurement will be limited to…" with the following sentence:
Measurement will be limited to the lines, grades, and slopes of the original ground contours established before the Contractor begins any Work on the Project.
In the paragraph that begins "The quantities of embankment measured for payment will not include…", add the following bullet after the second bullet:

Any additional quantities required due to clearing and grubbing operations

(Use the following subsection .80 when DTM measurement is requested by the Project Leader. Check with the Designer for the Volume type to use. Delete the types that do not apply. Also delete the parentheses.)
00330.80 General - Replace the bullet that begins "Volume basis, computed by…", with the following bullet:

Volume basis, based on the Agency's digital terrain model (DTM) calculated by (Triangular) (Grid) (End Area) Volume, or by other methods of equivalent accuracy.

(Use the following subsection .91(d) on excavation projects that include Section 00331 - Subgrade Stabilization.)
00330.91(d) General Excavation - Delete the bullet that begins "Includes unsuitable material…".
00330.92 Kinds of Incidental Earthwork -- Replace Deletethe bullet that reads "If shown on the plans.". with the following bullets:

Excavation for Swale/Retention Pond as shown.

Additional quantities of materials required due to clearing and grubbing operations and compaction requirements within embankment limit

(On projects with light grading, especially on urban projects, and when requested by the Project Leader, include the following lead-in paragraph and bullet to eliminate separate measurement and payment for earthwork for driveways and road approaches. Do NOT use on projects involving driveways or road approaches with significant earthwork quantities.)
Add the following bullet to the end of the bullet list:

Earthwork required for driveways and road approaches. Earthwork for driveways and road approaches will be that which is outside the neat line limits shown on the typical section(s).

(Use the following subsection .94 on embankment projects that include Section 00331 - Subgrade Stabilization.)
00330.94 Embankment Basis Payment - Delete the paragraph that begins "Excavation of unsuitable…".

SECTION 00331 - SUBGRADE STABILIZATION

Comply with Section 00331 of the Standard Specifications.

SP350 (03-31-08)
SECTION 00350 - GEOSYNTHETIC INSTALLATION
(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.)
Comply with Section 00350 of the Standard Specifications modified as follows:
(Place an "X" next to the appropriate geotextile types and under the appropriate level. Delete what does not apply. Delete the level not used. Obtain Geogrid information from the Designer.)
00350.10 Materials - Add the following to the end of this subsection:
Provide manufacturer's certifications complying with 02320.10(c) for the following geosynthetics:
Certification

Geotextile Level A Level B
Drainage, Type 1

Drainage, Type 2

Riprap, Type 1

Riprap, Type 2 X

Subgrade … X

Embankment

Pavement Overlay
Geogrid
_______________

_______________

SECTION 00405 - TRENCH EXCAVATION, BEDDING, AND BACKFILL

Comply with Section 00405 of the Standard Specifications.

SP440 (03-31-08)
SECTION 00440 - COMMERCIAL GRADE CONCRETE

Comply with Section 00440 of the Standard Specifications.

SP442 (03-31-08)
SECTION 00442 - CONTROLLED LOW STRENGTH MATERIALS

Comply with Section 00442 of the Standard Specifications.

SP445 (05-16-08) (This Section requires SP405.

May require SP440 and SP495.)
SECTION 00445 - SANITARY, STORM, CULVERT, SIPHON, AND IRRIGATION PIPE

Comply with Section 00445 of the Standard Specifications.

SP470 (05-16-08) (This Section requires SP440.)
SECTION 00470 - MANHOLES, CATCH BASINS, AND INLETS
(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.)
(Use the following lead-in paragraph when subsection 00470.10 is NOT included in the project.)
Comply with Section 00470 of the Standard Specifications.
(Use the following lead-in paragraph and subsection .10 when concrete drain tile is required.)

Comply with Section 00470 of the Standard Specifications. modified as follows:

00470.10 Materials - Change the subsection reference for the concrete drain tile to 02410.10(i).

SP480 (05-16-08) (This Section requires SP440.)
SECTION 00480 - DRAINAGE CURBS

Comply with Section 00480 of the Standard Specifications.

SP490 (06-26-08) (This Section requires SP440 and SP442.)
SECTION 00490 - WORK ON EXISTING SEWERS AND STRUCTURES
(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.)
(Use the following paragraph when subsections 00490.46(b-2) and .46(e) are NOT included in the project.)
Comply with Section 00490 of the Standard Specifications.
(Use the following lead-in paragraph when subsections 00490.46(b-2) or .46(e) are included in the project.)
Comply with Section 00490 of the Standard Specifications modified as follows:
(Use the following subsection .46(b-2) when adjusting concrete and masonry manholes is required.)
00490.46(b-2)  Concrete and Masonry Manholes - In the paragraph that begins "Precast sections removed…", replace the sentence that begins "Precast items that…" with the following sentence:
Dispose of precast items, not reused on the Project, according to 00290.20.
(Use the following subsection .46(e) when adjusting metal manholes is required.)
00490.46(e)  Metal Manholes - Replace the sentence that begins "Salvaged structures not reused…" with the following sentence:
Dispose of salvaged structures, not reused on the Project, according to 00290.20.

00490.90 Payment - Add the following pay item and instruction:
(i) Manhole Orifice Enlargement ............................................................... Each
Item (i) applies to modifying the orifice on the existing manhole as shown.

SECTION 00510 - STRUCTURE EXCAVATION AND BACKFILL

(Follow all instructions. If there are no instructions above a subsection, paragraph, sentence, or bullet, then include them in the project but make necessary modifications to only include project specific specifications. Delete specifications that do not apply to the project.)
Comply with Section 00510 of the Standard Specifications modified as follows:
(Use the following subsection .83(b-1) when structure excavation is to be paid for on the lump sum basis.)
00510.80(b-1)  Structure Excavation (Lump Sum) - Add the following to the end of this subsection:
The estimated quantity of structure excavation is:
Location Structure Excavation

(Cubic Yard)

(Use the following subsection .80(d) when granular wall backfill or structure backfill is to be paid for on the lump sum basis.)
00510.80(d)  Granular Wall/Structure Backfill - Replace this subsection, except for the subsection number and title, with the following:
No measurement of quantities will be made for granular wall backfill or granular structure backfill. The estimated quantity of granular wall backfill or granular structure backfill is:
Location Granular Wall/Structure Backfill

(Cubic Yard)

Br. No. 20665 5

(Use the following subsection .90(d) when granular wall backfill or structure backfill is to be paid for on the lump sum basis.)
00510.90(d) Granular Wall/Structure Backfill - Replace this subsection, except for the subsection number and title, with the following:
Granular wall backfill and granular structure backfill will be paid for at the Contract lump sum amount for the items "Granular Wall Backfill" or "Granular Structure Backfill", as applicable.

COFFERDAM DESIGN CHECKLIST
Instructions - This cofferdam design checklist was developed to facilitate the design, review, and erection of cofferdams to be used for ODOT bridge construction projects. This checklist is intended to act as a reminder to design or check for specific important aspects of this construction. It is not a substitute for plan and/or design criteria or specification requirements.
The Checklist is to be completed and signed by the cofferdam design engineer. Answer every question. Attach to the Checklist an explanation of any negative responses.
Submit the Checklist according to 00510.03.

			YES	NO	N/A

A.		Contract Plans, Specifications, Permits, etc.

	1.	Are the cofferdam plans prepared, stamped and signed by an engineer registered to practice in Oregon?	____	____	____

	2.	Have three copies (five copies if railroad approval is required) of the complete design calculations accompanied the cofferdam drawings submittal?	____	____	____

	3.	Are cofferdam plans in compliance with the requirements of the construction plans general notes?	____	____	____

	4.	Are cofferdam plans in compliance with contract plan structural details?	____	____	____

	5.	Are cofferdam plans in compliance with the requirements of the Oregon Standard Specifications for Construction, subsection 00150.35?	____	____	____

	6.	Are all existing, adjusted or new utilities in proximity with the proposed cofferdam shown on the cofferdam plans and is projection of these utilities addressed?	____	____	____

	7.	Are clearance requirements satisfied and shown on the cofferdam plans?	____	____	____

B.		Loads

	1.	Are the magnitude and location of all loads, equipment and personnel that will be supported by the cofferdam shown noted on the cofferdam plans?	____	____	____

	2.	Are design loads and material properties used to determine design stresses shown for each different cofferdam member shown on the cofferdam plans?	____	____	____

	3.	Is the assumed water elevation for seal design shown on the plans?	____	____	____

	4.	Does the cofferdam design assume water pressure acts on the full height of the cofferdam (from the vent to the bottom of the excavation?)	____	____	____

	5.	Has percolation into the excavation been addressed?	____	____	____

C.		Allowable Stresses

	1.	Have the design loads used for cofferdam design of all members been noted in the design calculations?	____	____	____

	2.	Are the allowable stress and the calculated stress listed in the summary for each different cofferdam member?	____	____	____

D.		Timber Construction

	1.	Are timber grades consistent with material to be delivered to the construction site, noted on the cofferdam drawings, and in accompanying calculations for all timber cofferdam material?	____	____	____

	2.	If "rough" lumber is specified for the cofferdam, are the actual lumber dimensions used in the calculations shown?	____	____	____

E.		Steel Construction

	1.	Are steel structural shapes and plates identified by ASTM number on the cofferdam plans and in the calculations?	____	____	____

	2.	Have steel beams been checked for bending, shear, web crippling and buckling of the compression flange?	____	____	____

F.		Compression Members, Bracing Members and Connections

	1.	Has general buckling been evaluated for all compression members?	____	____	____

	2.	Has bracing been provided at all points of assumed support for compression members?	____	____	____

	3.	Is bracing strength and stiffness sufficient for the intended purpose?	____	____	____

	4.	Have all connections been designed and detailed?	____	____	____

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