Frick Creek additional SPS.docx

Frick Creek Culvert Replacement Additional Supplemental Specifications added July 25, 2013 Contents

209 - Structure Excavation and Backfill 209.00_nat_us_03_24_2008

209.11 Compacting.

Delete the subsection and add the following:

Compact backfill using designated compaction method A, B, or C:

Method A. Ensure that backfill density exceeds the density of the surrounding embankment.

Method B. Adjust the moisture content of the backfill material to a moisture content suitable for compaction. Compact each layer using appropriate compaction equipment until visual displacement ceases. For compaction under sections 252, 254, 255, 257, 258 and 262 compact with a vibratory steel wheeled roller with a mass of at least 8 tons.

Method C. Determine optimum moisture content and maximum density according to AASHTO T 99 method C. Adjust the moisture content of the backfill material to a moisture content suitable for compaction. Compact material placed in all layers to at least 95 percent of the maximum density. Determine the in place density and moisture content according to AASHTO T 310 or other approved test procedures.

625 - Turf Establishment

625.05 Fertilizing

(a) Dry method or (b) Hydraulic method Add the following:

Fertilizer shall be uniformly applied at the rate of 800 lbs. per acre and shall have a chemical analysis of 10% Nitrogen, 10% Phosphorus, and 10% Potassium.

625.07 Seeding

Seed shall be applied at the rates for both of the Methods for the seeding periods according to accompanying tables.

625.08 Mulching, Delete the last two sentences in the first paragraph

633 - Permanent Traffic Control 633.02_nat_us_03_03_2005

633.02 Material.

Add the following subsections

633.03_nat_us_03_03_2005

633.03 General.

Delete the subsection and add the following:

Furnish traffic control devices and guide signs according to the MUTCD, approved USDA-FS and state supplements, the current edition of USDA-FS EM-7100-15 Sign and Poster Guidelines for the Forest Service, and Standard Highway Signs published by FHWA. Submit the sign list for approval before ordering.

633.05_nat_us_03_03_2005

633.05 Panels.

Add the following:

Apply protective overlay film and top edge film as required and according to with manufacturer’s recommendations.

Delete the sentence: “Use antitheft fasteners where possible” in the fifth paragraph and replace it with the following: “For each sign panel use at least one antitheft fastener.”