CA13811A001.pdf

CA PFH 138-1(1)

Mammoth Scenic Loop

E-75

Sierra Nevada or Mono Sections will be acceptable. Seed collection will be restricted to areas no more than 2,000 feet higher or lower in elevation than the project site.

Construction Requirements

625.03 General. Delete the first sentence and substitute the following:

Perform all seeding after September 15th.

625.06 Fertilizing. Add the following:

No soil amendments will be added.

625.08 Mulching. (a) Dry method. Add the following:

Weed free mulch will be applied to a depth of 2 inches, e.g. certified weed free rice straw, or native mulch. Anchor mulch by an approved mechanical method.

Section 633. - PERMANENT TRAFFIC CONTROL

633.05 Panels. Delete the first paragraph and substitute the following:

Use type III, IV, VII, VIII, IX, or X retroreflective sheeting. For permanent sign panels, use type L-1 letters, numerals, arrows, symbols, and borders. Cut panels to size and shape and drill or punch all holes. Make panels flat and free of buckles, warp, dents, cockles, burrs, and other defects.

633.05 Panels. Add the following at the end of the Subsection:

For all permanent sign panels, uniformly apply a protective overlay film to the front and back of the perimeter of the sign panel. Apply film using methods recommended by the manufacturer and provide a minimum of a 2-inch border of protective film along the front and back face and edge of the sign panel. Provide clear and colorless protective film. Film must be manufactured expressly for use as a protective overlay film for outdoor signs.

Film must be applied during manufacture of signs; field installation is not permitted.

Paint the backs of all sign panels with exterior paint compatible with the sheeting material with brown color (#20059). See Federal Standards and Specifications #595 for information on the five digit paint color numbering system. Submit color chip(s) and manufacturer’s specifications from the paint supplier to the CO for approval.

Amendment A001 April 16, 2010

CA PFH 138-1(1)

Mammoth Scenic Loop

E-75A

Section 634. - PERMANENT PAVEMENT MARKINGS

634.03 General.

Add the following:

The Contractor may use, upon approval, permanent pavement marking materials and layouts meeting current state approved standards that are practiced in the region of the project in lieu of contract requirements, if the state standards meet the requirements of the MUTCD. The material substituted must be equivalent to that required in the specifications. Obtain the CO’s approval before incorporating into the work. When requesting approval, furnish to the CO the applicable state standards (specifications and drawings), manufacturer’s name and address, supplier’s certification indicating material is produced to state approved specifications, pricing data showing cost difference for labor and materials, and any other available information describing application and performance. When directed, submit samples for approval at the Contractor’s expense. Within 14 days, the CO will inform the Contractor as to the acceptance of the request.

The unit price for the contract item(s) will be reduced to reflect any cost savings.

634.05 Waterborne Traffic Paint (Type B and C). Add the following:

On new asphalt pavements apply two coats. Apply the first coat at 210 square feet per gallon and the second coat at 105 square feet per gallon.

Section 635. - TEMPORARY TRAFFIC CONTROL

635.07 Construction Signs. Delete the Subsection and substitute the following:

Amendment A001 April 16, 2010

CENTRAL FEDERAL LANDS HIGHWAY DIVISION

12300 WEST DAKOTA AVENUE, SUITE 360

LAKEWOOD, COLORADO 80228

ATTENTION: RYAN OLSON

1:

Remove Page E-75 and Replace with Pages E-75 and E-75A. Added Section 633 to Special Contract Requirements. Page E-75A added to retain formatting.

*FAILURE TO ACKNOWLEDGE THIS AMENDMENT BY THE DESIGNATED DATE AND HOUR SPECIFIED IN THE SOLICITATION MAY RESULT IN REJECTION OF YOUR BID (REFER TO ITEM 11.)