A001.pdf

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7. ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

1 21

A001 09/22/2022 HFLCEO220296PR CO FLAP PUW 16(1)

FEDERAL HIGHWAY ADMINISTRATION

CENTRAL FEDERAL LANDS HIGHWAY DIVISION

12300 WEST DAKOTA AVENUE, SUITE 360

LAKEWOOD, COLORADO 80228

ATTENTION: LESLIE KARSTEN

6905001

6982AF22B000027

08/26/2022

0*

*See Item 14

IFB

Remove and replace pages B-8, E-14, E-15, E-50 thru E-63 with the attached pages B-8, E-14, E-15, E-50 thru E-66.

*FAILURE TO ACKNOWLEDGE THIS AMENDMENT IN BLOCK 19 OF THE SF 1442 BY THE DESIGNATED DATE AND HOUR SPECIFIED IN THE

SOLICITATION MAY RESULT IN REJECTION OF YOUR BID (REFER TO ITEM 11.)

B-8

(1) Meet the salient physical, functional, or performance characteristic specified in this solicitation;

(2) Clearly identify the item by—

(i) Brand name, if any; and

(ii) Make or model number;

(3) Include descriptive literature such as illustrations, drawings, or a clear reference to previously furnished descriptive data or information available to the Contracting Officer; and

(4) Clearly describe any modification the offeror plans to make in a product to make it conform to the solicitation requirements. Mark any descriptive material to clearly show the modification.

(c) The Contracting Officer will evaluate “equal” products on the basis of information furnished by the offeror or identified in the offer and reasonably available to the Contracting Officer. The Contracting Officer is not responsible for locating or obtaining any information not identified in the offer.

(d) Unless the offeror clearly indicates in its offer that the product being offered is an “equal” product, the offeror shall provide the brand name product referenced in the solicitation.

(e) The following items have been identified as a “brand name or equal” product in this solicitation:

Section 552 of the FP-14 – Structural Concrete (Pedestrian Abutments & Wingwalls) Section 601 of the FP-14 – Minor Concrete Structures (Sidewalk)

Refer to the plans or specifications for the salient physical, function, or performance characteristics for the above referenced items.

(End of provision)

52.214-3 Amendments to Invitations for Bids. (DEC 2016)

52.214-4 False Statements in Bids. (APR 1984)

52.214-5 Submission of Bids. (DEC 2016)

52.214-6 Explanation to Prospective Bidders. (APR 1984)

52.214-7 Late Submissions, Modifications, and Withdrawals of Bids. (NOV 1999)

52.214-18 Preparation of Bids - Construction. (APR 1984)

52.214-19 Contract Award - Sealed Bidding - Construction. (AUG 1996)

Section 725.19 of the SCR's - Weathering Agent

Amendment A001 09/22/2022

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CO FLAP PUW16(1)

Nichols Road be rejected and ordered by the CO to be removed from the project limits. The CO has the discretion of requesting inspection of certified materials by a third party, and rejecting the use of the source if noxious weeds or seeds thereof are found to be present.

Add the following:

(5) Any required Certifications.

Add the following:

(e) Project-specific commitments.

To meet the requirements of the Migratory Bird Treaty Act:

(1) Construct abutments and place new bridge between August 31st and April 14th, outside of the Swallow nesting season.

(2) If bridge and abutment construction needs to occur between April 15th and August 31st, knock off old nests on the adjacent bridge and net the existing bridge between September 1st and April 14th so that swallows do not start new nests during construction.

(3) Notify the railroad that possible netting of the existing bridge may be necessary. Do not hang netting down into the active railroad air space. Height of lowest elevation of netting is to remain higher than 21 feet and 6 inches above top of railroad. Refer to Plan Sheet S2.

107.11 Protection of Forests, Parks, and Public Lands. Add the following:

The Colorado Parks and Wildlife (CPW) may curtail burning operations in the area due to fire prevention. The CO will order the suspension of burning and other operations when directed to do so by the CPW.

Section 108. — PROSECUTION AND PROGRESS

108.01 Commencement, Prosecution, and Completion of Work. Add the following:

Limit operations according to Subsection 107.10(e) and Section 156.

Limit operations as follows:

(a) Daytime operations only between 6:00 am to 7 :00 pm

(b) No nighttime work allowed.

(c) Starting Memorial Day Weekend, no delays to traffic are allowed from 12:00 Noon Friday through 6:00 am Monday for the remaining duration of the project.

(d) Option X will not be awarded until right of way easement from Station 436+00 to 442+72 has been obtained.

Perform no work except to maintain traffic control devices, erosion control devices, the roadway driving surface, and to control dust during the listed Federal holidays and surrounding days as shown in Table 108-2.

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Table 108-2 Federal Holidays and Surrounding Days

Federal Holiday Time Remarks

Memorial Day 12:00 Noon Friday to 6:00 am Tuesday -

Independence Day

12:00 Noon July 3 to 6:00 am July 5

If July 4 falls on a weekend, Friday, or Monday, do not work the weekend.

Labor Day 12:00 Noon Friday to 6:00 am Tuesday -

Thanksgiving 12:00 Noon

Wednesday to 6:00 am Monday

Christmas / New Year’s

12:00 Noon December 23 to

6:00 am January 2

If December 23 or January 1 falls on a Monday, do not work the adjacent weekend and do not work on December 23. If January 1 falls on a Friday, do not work the weekend.

Schedule at least 2 non-work days out of every 14 calendar days. The selected non-work days do not need to be consecutive, but they must be scheduled. Notify the CO at least 2 weeks before changing the scheduled days off.

The CO may grant written approval for exemptions to scheduled days off for specific project operations and for periods of limited duration.

Add the following:

The CO will issue a Notice to Proceed before commencement of any work. The contract completion date for Schedule A is June 27, 2023. No additional time will be given for award of Option X.

Add the following:

Use the Government’s web-based system, Engineer’s Estimating, Bidding, Award, and Construction System (EEBACS), to prepare all “Inspector’s Daily Record of Construction Operations” (Contractors Daily Reports) and measurement notes (pay notes and field measurement documentation).

Attend a training session on the use of EEBACS. The training session will require up to 4 hours.

No more than 3 Contractor staff may attend the training unless approved by the CO. The Contractor shall be responsible for training additional staff.

September 27, 2023

Amendment A001 09/22/2022

Leslie.Karsten Cross-Out

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Measure the modular bridge by lump sum. This includes all work and expenses involved in designing, fabricating, transporting, constructing, furnishing, and erecting the prefabricated bridge superstructure including structural steel truss members, diagonal bracing, floor beams, splices, steel stay in place forms, steel bridge railing, timber handrail, elastomeric bearings, bearing plates, anchor bolts, side plates, and all associated hardware. This work also includes the design and construction of a reinforced concrete cast in place deck and curbs.

Section 563. — PAINTING

Description

563.01 Add the following:

This work also consists of finishing surfaces with a reactive colorant to produce a natural weathered appearance.

Material

563.02 Add the following:

Weathering agent 725.19

Construction Requirements

563.05 Protection of Public, Property, and Workers. Add the following:

Comply with all applicable federal, state, and local regulations. Furnish material safety data sheets for all cleaning and staining products.

Add the following:

563.10A Weathering Agents.

Apply weathering agent to the required galvanized surfaces at the manufacturer’s facility. After application, cure the treated guardrail materials to develop the full coloration according to the manufacturer’s recommendation.

Repair damages or discoloration to the final finish by field applying weathering agent according to the manufacturer’s recommendations.

Apply weathering agent to slopes, wall faces, placed boulders, and riprap as directed by the CO.

Prepare surfaces and apply weathering agents using the manufacturer’s recommendations.

Repair damages to the final finish on non-metallic surfaces by applying weathering agent to damaged areas until the finish matches that of the approved applicable test section.

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(1) Slopes and Wall Faces. Prepare a minimum of three test sections, each 5 feet by 5 feet (1.5 m by 1.5 m), before production application of the weathering agent. After application, cure the test sections to develop the full coloration according to the manufacturer’s recommendations. Use different dilutions and application methods on the test sections, to determine the mix and method to be used to best match the surrounding terrain. Mark each section and record mixture and application used on each section.

After the curing period, the CO will select a test section for production work.

If none of the test sections are approved, adjust the dilution and application methods and prepare additional test sections at no additional cost to the Government.

Use the approved dilution and application methods during production work. Control overspray and protect adjacent surfaces.

(2) Rock and Boulders. Apply weathering agent at the rate necessary to achieve the desired color. Use the approved application rates to apply the weathering agent over the CO designated areas. Control overspray and protect adjacent surfaces.

563.12 Acceptance. Add the following: Reactive colorant finishes will be evaluated under Subsections 106.02.

Section 564. — BEARING DEVICES

Construction Requirements

564.04 Elastomeric Bearings. Add after the first paragraph:

Use material that meets the flash tolerance, finish, and appearance requirements of the Rubber Handbook as published by the Rubber Manufacturer’s Association Incorporated, RMA F3 and T.063 for molded bearings and RMA F2 for extruded bearings.

Section 601. — MINOR CONCRETE STRUCTURES

601.03 Add the following:

All minor concrete, except island concrete at trail crossings around the removable bollards, is to be integrally colored using Davis Concrete color Harvest Gold, #5084, or approved equal. Island concrete at bollard locations shall be colored using Davis Concrete color Brick Red, #160, or approved equal. Salient characteristics of the acceptable equal include mineral oxide pigments, light fast, lime proof, stable and inert when used in concrete or mortar. Coloring agents containing carbon black will not be acceptable.

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Use reinforcing fibers in concrete for walkways, curbs, curb and gutters, island concrete, and sidewalks. Include 4 pounds of fiber reinforcement per cubic yard of concrete.

601.04 Add the following:

Construct a two-foot by two-foot test panel of each colored concrete for approval by the CO two weeks prior to beginning concrete work.

601.07 Acceptance. Add the following:

The concrete mixture’s density, air content, slump, temperature, and compressive strength will be evaluated under Subsections 106.02 and 106.04.

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Table 601-2 Sampling, Testing, and Acceptance Requirements

Material or Product

(Subsection)

Type of Acceptance (Subsection)

C ha ra ct er is tic

Test Methods Specifications

Sampling Frequency

Point of Sampling

Split Sample

R ep or tin g T im e

R em ar ks

Source Aggregate

(703.01 & 703.02)

Measured and tested for conformance (106.04 & 105)

Quality Subsection

703.01 &

703.02

1 per material type

Source of material

Yes Before producing

Mix Design Concrete

Composition (601.03)

" All Subsection 601.03

1 per mix design

" If requested

Production Concrete(1) Measured and tested for conformance

(106.04)

Density AASHTO T 121

1 set per 30 yd3

(25 m3), but not less than 1 per day

Discharge stream at point of placing

No Upon completing tests

Air content AASHTO T 152 or

AASHTO

T 196

" " No " −

Slump AASHTO T 119

" " No " −

Temperature ASTM C1064

" " No " −

Compressive strength(2)(3)

(28-day)

AASHTO

T 23 & T 22

1 set per 30 yd3

(25 m3), but not less than 1 per day

Discharge stream at point of placing

No 28 days

Deliver cylinders to the CO or designated laboratory for scheduled testing

(1) Sample according to AASHTO R 60, except composite samples are not required.

(2) Cast at least four compressive strength test cylinders for 6- by 12-inch (150- by 300-millimeter) specimens or six compressive strength cylinders for 4- by 8-inch (100- by 200-millimeter) and carefully transport the cylinders to the job site curing facility.

(3) A single compressive strength test result is the average result from two 6- by 12-inch (150- by 300-millimeter) or three 4- by 8-inch (100- by 200-millimeter) cylinders cast from the same load.

(4) If the point of placement is different from the point of discharge, correlate the discharge tests with the placement tests to document the changes.

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Section 617. — GUARDRAIL

Construction Requirements

Treat all galvanized material for guardrail systems with a weathering agent according to Section 563.

When proprietary terminals are required, submit the installation manual from the manufacturer for the terminal, including inspection checklists.

617.04 Post Installation. Delete the fifth and sixth paragraphs and substitute the following:

When a post cannot be placed at its normal location due to an impenetrable object an additional blockout may be added. If the post cannot be offset, follow the post in rock detail, the long span detail, or omit a post as shown in the plans.

Section 623. — GENERAL LABOR

Delete the text of this Section and substitute the following:

Description

623.01 This work consists of furnishing workers and hand tools for construction work, survey crews, and furnishing qualified personnel to perform technical work ordered by the CO and not otherwise provided for under the contract.

Construction Requirements

623.02 Workers and Equipment. Furnish competent workers and appropriate hand tools for the work. Provide a crew of sufficient size and qualifications necessary to accomplish the required surveying services within acceptable tolerances.

Obtain approval of the length of a workday and workweek before beginning the work. Keep daily records of the number of hours worked. Submit the records along with certified copies of the payroll.

623.03 Surveying Services. Furnish personnel, equipment, and material that conform to the requirements of Subsection 152.01. Survey according to Section 152.

Survey and establish controls within the tolerances shown in Table 152-1, or within other tolerances as established by the CO.

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Prepare field notes in an approved format. Furnish calculations. All field notes, supporting documentation, and calculations become the property of the Government upon completion of the work.

623.04 Technical Services. Furnish qualified engineering personnel experienced in highway construction and design, capable of performing in a timely and accurate manner. Provide personnel with a minimum of NICET Level II certification in highway design and construction, or State (SHA) or industry certification-related design and construction equivalent to their intended responsibilities. Personnel with 2 years or more of recent job experience in the type of highway design and construction provided for under the contract may be used in lieu of certifications. Provide the names and relevant experience of all personnel. Furnish supporting tools and equipment (e.g., calculator, computer, and software, and appropriate and commonly-used drafting tools for the assigned task).

All calculations, notes, and supporting documentation become the property of the government upon completion of the work.

623.05 Acceptance. General labor work will be evaluated under Subsection 106.02.

Additional surveying services will be evaluated under Section 152.

Hired technical services will be evaluated under Subsections 106.02 and 106.04

Measurement

623.06 Measure the Section 623 items listed in the bid schedule according to Subsection 109.02 and the following as applicable.

Round portions of an hour up to the nearest half hour. Measure time in excess of 40 hours per week at the same rate as the first 40 hours.

Measure surveying service by the crew hour regardless of crew size. Do not measure time spent in making preparations, performing calculations, plotting cross-sections, processing computer or other data, and other efforts necessary to successfully accomplish the ordered survey services.

Do not measure time for worker’s transportation to and from the project site.

Measure office technical services by the hour, as ordered by the CO, for performing calculations, plotting cross-sections, and processing computer or other data.

Payment

623.07 The accepted quantities will be paid at the contract price per unit of measurement for the Section 623 pay item listed in the bid schedule. Payment will be full compensation for the work prescribed in this section. See Subsection 109.05.

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Section 625. — TURF ESTABLISHMENT

Construction Requirements

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

Perform all seeding between September and October or March and May.

Measurement

625.11 Delete the second sentence and substitute the following:

When measuring turf establishment and supplemental applications by the acre (hectare) or square yard (square meter), measure on the ground surface.

Section 633. — PERMANENT TRAFFIC CONTROL

Construction Requirements

633.05 Sign Panels. Add the following:

For all permanent sign panels, uniformly apply a 2-inch (50 millimeters) wide protective overlay film to the upper edge(s) of the sign and wrap over the front and back of the sign panel equally.

Apply the film using methods recommended by the manufacturer. Film must be manufactured expressly for use as a protective overlay film for outdoor traffic signs.

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

Section 634. — PERMANENT PAVEMENT MARKINGS

Construction Requirements

634.03 General. Add the following to the ninth paragraph:

Apply glass beads to parking lot markings at the direction of the CO.

Measurement

634.12

Delete the second paragraph and substitute the following:

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When pavement markings are measured by the linear foot (meter), measure the length of line applied along the centerline of each line applied regardless of color or line width. Measure broken or dotted pavement lines from end to end of the line including gaps. Measure solid pavement lines from end to end of each continuous line. For wide lines (12 inches (300 millimeters) in width or greater), adjust the measured length of line in the ratio of the required width to 4 inches (100 millimeters).

Section 635. — TEMPORARY TRAFFIC CONTROL

Description

635.01 Delete the second paragraph and substitute the following:

Arrow board, portable changeable message sign, barricade, and warning light types are designated in the MUTCD.

Material

635.02 Delete the Subsection and substitute the following:

635.02 Conform to the MUTCD and the following Sections and Subsections:

Concrete barrier (temporary) 618 Delineator and object marker retroreflectors 718.08 Guardrail (temporary) 617 Retroreflective sheeting 718.01 Sign panels 718.03 Sign posts 718.04 Sign hardware 718.06 Temporary plastic fence 710.11 Temporary pavement markings 718.16

Construction Requirements

635.07 Construction Signs. Delete the first paragraph and substitute the following:

Fabricate and install sign panels according to Subsection 633.05. Use Type III, IV, VIII, IX, or XI prismatic retroreflective sheeting. Use fluorescent sheeting for orange signs. For roll-up signs, use fluorescent Type VI retroreflective sheeting.

Add the following:

Provide the same type of sheeting on all post-mounted construction signs that pertain to the project.

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Use crashworthy posts within the traversable area adjacent to traffic.

Payment

635.25 Add the following:

Progress payments for temporary traffic control lump sum will be paid as follows:

(a) 25% of the pay item amount will be paid when initial construction signs are in place and needed devices onsite for use.

(b) An additional 65% of pay item amount will be prorated based on total work complete.

(c) The remaining portion of the pay item amount will be paid when the construction signs and devices are no longer needed and have been removed from the project.

Section 636. — TRAFFIC SIGNAL, TRAFFIC COUNTER, LIGHTING, AND ELECTRICAL SYSTEMS

Description

636.01 Add the following:

This work also includes installing Rectangular Rapid Flashing Beacon (RRFB).

636.06 Traffic Signal and Lighting Systems. Add the following:

Furnish Solar Powered Flashing LED Enhanced Sign, including all pertinent installation hardware with the following attributes:

(a) MUTCD compliant for color, location, legibility, light conditions, design, and installation requirements

(b) Solar powered, 13 W (min.)

(c) Theft-resistant and tamper-resistant battery with 3-year (min.) manufacturer’s warranty

(d) Commercially available

(e) Breakaway pole or post mounted

(f) Lettering size meeting the minimum design speed requirements

(g) Sign pole or post mounted Push Button Activator and a Remote Push Button Activator (2 total Push Button Activators)

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Provide sign and push button location layout and product information to the CO for approval at least 14 days prior to ordering material or beginning this work.

Section 637. — FACILITIES AND SERVICES

Construction Requirements

637.02. General. Delete the first sentence of the first paragraph and substitute the following:

Provide the facilities and services beginning no later than 14 days prior to beginning on-site construction activities and ending 21 days after final acceptance of all contract and Government option work.

637.03. Facilities. Delete the last sentence of the first paragraph and substitute the following:

Locate the Government field office within 15 miles of the project and where high-speed Internet service, as described in Subsection 637.04(b) (1), is available. Existing non-mobile office space in a commercial development is acceptable. Alternative locations and facilities may be proposed by the Contractor for acceptance by the CO. Obtain CO approval for field facilities, associated services, facility furnishings and office equipment prior to committing to or signing any agreements for these items.

(a) Field office. Add the following:

Provide a storage area to accommodate one or a combination of the following:

(1) A minimum of 20 asphalt concrete samples and at least 2,000 pounds.

(2) A minimum of 5 aggregate samples and at least 2,000 pounds.

Provide enough space for each sample. Samples may be stacked three units high using the sample containers required in Subsection 154.03. Provide one of the following:

• A divided or separated area within the Government field office.

• A separate storage structure with minimum dimensions of 8-foot wide by 8-foot long by 6-foot high stationed within 50 feet of the Government field office. If an exterior structure is used, protect items being stored from contamination and weather elements, and maintain a temperature ranging from 40 ºF to 80 ºF.

(b) Residential housing. Delete the Subsection and substitute the following:

(b) Lighting. For a standalone office, provide ample exterior lighting to illuminate the area surrounding the Government field office at night. Equip the lights with photocell sensor devices and motion detectors to activate the lights.

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Add the following:

(c) Equipment. Furnish the following office equipment in the Government field office:

(1) All-in-One (AIO) Device. A self-feeding plain paper printer, copier and scanner with the following minimum capabilities:

(a) Printing, copying, and scanning black and white, and color hardcopies for each size paper; 8½- by 11-inch (letter size), 8½- by 14-inch (legal size), and 11- by 17-inch paper

(b) Equipped with 3 separate paper trays, 1 for each size paper; 8½- by 11-inch (letter size), 8½- by 14-inch (legal size), and 11- by 17-inch paper.

(c) Automatic document feeder capable of making at least 20 copies per minute for each size paper;

(d) Reducing or enlarging originals, including duplex (double-sided) copying, for each size paper;

(e) Capable of scanning at 600 dpi for each size paper;

(f) Reducing or enlarging originals, including duplex (double-sided) copying, for each size paper;

(g) Copying to Universal Serial Bus (USB) flash drive in Adobe Acrobat (*.pdf) file format; and

(h) Built-in wireless technology (Wi-Fi capable).

Furnish all necessary supplies for the AIO device, including paper.

Delete Table 637-1 and substitute the following:

Table 637-1 Minimum Requirements for Field Office and Associated Services

Property Size or Quantity

Floor space, square feet 450 Locking outside door, deadbolt with keys 1

Steps with slip-proof tread and handrails ✓ (1)

Windows with locks 2 Total window area, square feet 30

Ceiling height, 7 feet ✓

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Table 637-1 Minimum Requirements for Field Office and Associated Services

Property Size or Quantity

Rooms including toilet room 3 Room size, except toilet room, square feet 100 Closet, 45-cubic foot ✓

Electrical lighting ✓

Heat and air conditioning(2), maintain temperature of 72±7 °F ✓

Adequate electrical outlets ✓

Surge protectors (3 Total) ✓

Adequate electricity (120 and 240 V, 60 cycle as applicable) ✓

Adequate potable water supply ✓

Functioning indoor sink with faucets for both hot and cold water with paper towel supply. ✓

Functioning hot water source. ✓

Functioning indoor flushing toilet with toilet paper supply ✓

Parking for three vehicles on gravel or asphalt surface ✓

6-foot high chain link fence with gate around building and parking area if it is a standalone building. Commercial offices with secure parking will not require a chain link fence.

(1) As required by local code.

(2) If window air conditioning is provided, provide a separate unit for each room.

Delete Table 637-2 and substitute the following:

Table 637-2 Minimum Facility Furnishings

Property Size or Quantity

File cabinet, 2-drawer, fire resistant, metal, with lock & keys 2 File cabinet, 4-drawer, fire resistant, metal, with lock & keys 1 Table, 30 in. wide x 98 in. long x 30 in. high 2

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Table 637-2 Minimum Facility Furnishings

Property Size or Quantity

Desk lamp(1) 2 Desk, 12-square foot(1) 2 Rolling office chair(1) 3 Office chair(1) 4 Storage cabinet, 72 in. wide × 36 in. high × 18 in. deep 1 Book case, 72 in. wide x 48 in. high x 16 in. deep 1 Small metal office trash cans 3 Fire extinguisher 1 Compact refrigerator, 2.4 cubic feet 1 Microwave, 1.1 cubic feet and 1000 Watts of cooking power 1

(1) Meet industry standards for ergonomics.

637.04 Services.

(b) Communications. Add the following:

Furnish the following communication equipment and services in the Government field office:

(1) High-speed Internet access. Provide dedicated commercial high-speed internet service with no bandwidth limitations, data caps, or throttling that meets the following minimum capabilities:

(a) Fiber Optic Service (FIOS), Cable Internet Service, or Digital Subscriber Line (DSL), with minimum speeds of:

(1) Download speed of 25,000 kilobits per second;

(2) Upload speed of 10,000 kilobits per second;

(b) Equipped with a modem and a router with a firewall or a router and a firewall appliance;

(c) Router with Internet Protocol Version 6 (IPv6) capable, Wi-Fi Protected Access II (WPA2) or higher encryption, Simple Network Management Protocol (SNMP) Monitoring, Dynamic Host Configuration Protocol (DHCP), and at least Category 6 Registered Jack 45 (RJ45) LAN office drop cables; and

(d) Supports simultaneous internet access of at least 3 workstations connected by Category 6 Registered Jack 45 (RJ45) LAN office drop cables.

Alternate internet access service options, including Satellite Internet, a dedicated Transmission System 1 (T1), or mobile hotspot (MiFi) may be submitted for approval if the required service options are not available.

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Section 702. — ASPHALT MATERIAL

702.01 Asphalt Binder. Delete the Subsection and add the following:

702.01 Asphalt Binder. Conform to M 320, Table 1.

In AASHTO M 320, Table 1 replace footnote g with the following:

g If the creep stiffness is below 300 MPa, the direct tension test is not required. If the creep stiffness is between 301 and 600 MPa, the creep stiffness value shall be used. The m-value requirement must be satisfied in both cases.

Section 703. — AGGREGATE

703.01 Add the following:

703.01 Fine Aggregate for Concrete.

(c) Sand equivalent value, AASHTO T 176, 75 min.

Alternate Method No. 2

703.05 Subbase, Base, and Surface Course Aggregate.

(a) General. Delete the following:

(3) Durability index (coarse), AASHTO T 210 35 min.

(4) Durability index (fine), AASHTO T 210 35 min.

(b) Subgrade or Base aggregate. Delete line (2) and substitute the following:

(2) Liquid limit, AASHTO R 58 and T 89 25 max

Section 704. — SOIL

704.04 Structural Backfill. Delete line (c) and add the following:

(c) Plastic index, AASHTO R 58 and T 90 6 max.

(d) Liquid limit, AASHTO R 58 and T 89 30 max.

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Section 710. — FENCE AND GUARDRAIL

710.06 Rail Elements.

(a) Metal beam rail. Delete the first sentence and substitute the following:

Furnish metal beam rail conforming to the Task Force 13 Guide to Standardized Roadside Safety Hardware.

710.07 Guardrail Posts. Delete the first sentence and substitute the following:

Furnish guardrail posts conforming to the Task Force 13 Guide to Standardized Roadside Safety Hardware.

710.09 Guardrail Nuts, Bolts, and Cables.

(b) Weathering nuts and bolts. Delete the second sentence and substitute the following:

Furnish bolts conforming to ASTM F3125, Type 3.

710.10 Guardrail Hardware. Delete the first sentence and substitute the following:

Furnish hardware conforming to the Task Force 13 Guide to Standardized Roadside Safety Hardware.

Add the following:

Furnish a flexible hinged guardrail delineator which allows the reflector to fold down and spring back to an upright position after impact. Furnish retroreflective sheeting conforming to ASTM D4956, including supplementary requirements. Use type IV or XI retroreflective sheeting permanently adhered to 0.090-inch minimum thick body.

Section 713. — ROADSIDE IMPROVEMENT MATERIAL

713.04 Seed. Add the following:

Use the following seed mix:

Native Grass Mixture (%’s can be +/- 2%) Little Bluestem 15% Sideoats Grama 25% Western Wheatgrass 40% Blue Grama 20%

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100%

Seed at a rate of ~40 Pure Live Seed (PLS) lbs./acre

All seed mixes, straw, hay materials used in revegetation must meet Colorado Weed-Free specifications.

713.16 Silt Fence. Delete Subsection (a) and substitute the following:

(a) Geotextile. Conform to Table 8 of AASHTO M 288.

Section 718. — TRAFFIC SIGNING AND MARKING MATERIAL

718.01 Retroreflective Sheeting. Add the following:

Furnish fluorescent type sheeting for all signs and all devices specifying an orange or a yellow background.

Section 725. — MISCELLANEOUS MATERIAL

725.04 Pozzolans. Delete line (a) and substitute the following:

(a) Fly ash. Conform to AASHTO M 295 4.5 percent max Class C or Class F.

When used to mitigate alkali-silica reactivity, also available alkalies as equivalent Na2O

Add the following:

725.19 Weathering agent. Furnish a weathering agent that colors rock, cementitious, and galvanized surfaces to a brownish earth tone, and contains no pigments. Furnish a material that contains chemical components that have no adverse reactions or effects on soils, plants, or animals. The material cannot contain corrosive by-products once the product has been applied.

PermeonTM and Natina® Rock are acceptable products for coloring rock surfaces; PermeonTM and Natina® Concrete are acceptable products for coloring cementitious surfaces; and Natina® Steel is an acceptable product for coloring galvanized surfaces. Identification by brand name is intended to be descriptive, not restrictive, and is intended to indicate the quality and characteristics of products that will be satisfactory. Submit “or equal” products meeting the following salient characteristics to the CO for approval.

(a) A soluble solution that contains organic acids and natural oxidizers.

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(b) All coloring developed through a reactionary process that etches surfaces, producing a finish that’s resistant to fading from exposure to sunlight, with an expected performance life exceeding 10 years in nonaggressive climates.

(c) A product that causes negligible zinc coating losses when applied to galvanized surfaces.

Acceptable products include:

PermeonTM manufactured by Soil-Tech 6420 South Cameron, Suite 207 Las Vegas, NV 89118 702-873-2023 www.soil-tech.com

Natina® Rock; Natina® Concrete; Natina® Steel manufactured by Natina Products, LLC 1577 First Street Coachella, CA 92236 877-762-8462 www.natinaproducts.com http://www.natinaproducts.com/