04 BID 2025-0008 Special Provisions_2025-1-22.pdf

COLORADO

DEPARTMENT OF TRANSPORTATION

SPECIAL PROVISIONS

SKYLINE TRAILHEAD

The 2023 Standard Specifications for Road and Bridge Construction, controls construction of this project. The following special provisions supplement or modify the Standard Specifications and take precedence over the Standard Specifications and plans.

PROJECT SPECIAL PROVISIONS

Date Page Index Pages (January 2025) 1-2 Commencement and Completion of Work (January 2025) 3 Revision of Section 101 – Definitions and Terms (January 2025) 4 Revision of Section 102 – Project Plans and Other Data (January 2025) 5 Revision of Section 105 – Control of Work (January 2025) 6 Revision of Section 202 – Removal of Asphalt Mat (January 2025) 7 Revision of Section 203 – Excavation and Embankment (January 2025) 8 Revision of Section 217 – Noxious Weed Treatment (January 2025) 9 Revision of Section 304 – Aggregate Base Course (January 2025) 10 Revision of Section 506 – Riprap (January 2025) 11 Revision of Section 604 – Vault Toilet (January 2025) 12 Revision of Section 607 – Fences (January 2025) 19 Revision of Section 613 – Luminaire (Special)(Solar) (January 2025) 20 Revision of Section 622 – Rest Areas and Buildings (January 2025) 21 Force Account Items Description (January 2025) 22 Special Construction Requirements (January 2025) 23 Traffic Control Plan - General (January 2025) 24 Utilities (January 2025) 25

COLORADO

DEPARTMENT OF TRANSPORTATION

SPECIAL PROVISIONS

SKYLINE TRAILHEAD

STANDARD SPECIAL PROVISIONS

Name Date No. of Pgs Revision of Section 101 – Definitions (January 8, 2024) 2 Revision of Section 106 – Control of Materials (January 8, 2024) 2 Revision of Sections 101 and 106 – Buy America and Build America, Buy America Requirements - No-Federal Aid

(January 8, 2024) 4

Revision of Section 103 – Colorado Resident Bid Preference (October 1, 2023) 1 Revision of Section 105 – Control of Work (October 1, 2023) 1 Revision of Section 105 – Dispute Review Board and Claims for Unresolved Disputes

(October 1, 2023) 9

Revision of Sections 105, 106, 412 & 601 – PCCP Acceptance (January 8, 2024) 12 Revision of Section 106 – Conformity to The Contract of Hot Mix Asphalt (Less Than 5000 Tons)

(October 1, 2023) 6

Revision of Section 207 – Topsoil (October 1, 2023) 9 Revision of Section 208 – As-Constructed Survey (October 1, 2023) 3 Revision of Sections 208 and 625 – Permanent Water Quality Survey (April 2, 2024) 2 Revision of Section 401 – Plant Mix Pavements - General (January 8, 2024) 4

COMMENCEMENT AND COMPLETION OF WORK

It is anticipated that the Contractor shall commence work under the Contract on March 1, 2025 unless such time for beginning the work is changed by the City in the “Notice to Proceed”. The Contractor shall substantially complete all work within 50 working days in accordance with the "Notice to Proceed."

Section 108 of the Standard Specifications is hereby revised for this project as follows:

Subsection 108.03 shall include the following:

Salient features to be shown on the Contractor's Progress Schedule are:

(1) Erosion Control, Traffic Control, Mobilization

(2) Construction Surveying

(3) Removals (Pavement, Clearing & Grubbing, fence)

(4) Storm Drainage

(5) Trailhead grading

(6) Parking lot subgrade prep

(7) Aggregate Base Course (Class 6)

(8) Vault Toilet installation

(9) Concrete Pad

(10) Hot Mix Asphalt Paving

(11) Fence and Gate Placement

(12) Striping & Signing

(13) Final Clean Up

REVISION OF SECTION 101

DEFINITIONS AND TERMS

Certain terms utilized in the latest edition of the Colorado Department of Transportation Standard Specifications for Road and Bridge Construction shall be interpreted to have different meanings within the scope of this Contract. A summary of redefinitions follows:

Section 101.02 of the Standard Specifications is hereby revised for this project as follows:

“Department” shall mean Parks & Recreation Department, City of Loveland, Colorado.

“Engineer” or “Project Engineer” shall mean City Engineer, City of Loveland, Colorado or designated representative.

Subsection 101.36 Holidays shall include:

Additional holidays recognized by City of Loveland are:

Day after Thanksgiving Day

Holidays not recognized by City of Loveland are:

Martin Luther King Day Cabrini Day Cesar Chavez Day

“Project Engineer” shall mean City of Loveland’s duly authorized representative who may be a City of Loveland employee or an employee of a consulting engineer (consultant) under contract to City of Loveland.

“CDOT Project Engineer” shall be replaced with “Project Engineer” within these specifications. When these documents reference a CDOT engineer, this reference shall be construed to mean Project Engineer.

“Consultant Project Engineer”. The consultant employee under the responsible charge of the consultant’s Professional Engineer who is in direct charge of the work and is responsible for the administration and satisfactory completion of the project. The Consultant Project Engineer’s duties are delegated by the Project Engineer in accordance with the scope of work in the consultant’s contract with the City of Loveland. The Consultant Project Engineer is not authorized to sign or approve Contract Modification Orders.

“Region Transportation Director” shall mean City Engineer, City of Loveland, Colorado or designated representative.

“State” shall mean City of Loveland, Colorado (where applicable).

REVISION OF SECTION 102

PROJECT PLANS AND OTHER DATA

Section 102 of the Standard Specifications is hereby revised for this project as follows:

Subsection 102.05 shall include the following:

After the bids have been opened, the low responsible bidder will be sent from the City of Loveland a final stamped and signed for construction plans and special provisions in PDF electronic format.

Subcontractors and suppliers may obtain plans and other data from the successful bidder or they may pdf versions from the City.

REVISION OF SECTION 202

REMOVAL OF ASPHALT MAT

Section 202 of the Standard Specifications is hereby revised for this project as follows:

Add subsection 202.11, with the following:

202.11 Removal of Asphalt Mat. All asphalt pavement shall be disposed of in accordance with subsection 201.02

Subsection 202.11 shall include the following:

Removal of Asphalt Mat will be measured by the area in square yards, completed to the actual depth of asphalt, and accepted.

Subsection 202.12 shall include the following:

Saw cutting and all other work necessary to complete the item will not be measured and paid for separately, but shall be included in the work.

REVISION OF SECTION 203

EXCAVATION AND EMBANKMENT

Section 203 of the Standard Specifications is hereby revised for this project as follows:

Subsection 203.02 Excavation (a) Unclassified Excavation, add the following:

Excavated material from generated from the trail and parking lot will be considered for use as Embankment Material on this project, if the material meets the requirements of section 203.03. If the material is deemed not useable, the Unclassified Excavation material shall become the property of the Contractor. Haul for disposing of removed material will not be paid for separately, but shall be included in the work.

Subsection 203.03, add the following:

All embankment material used within the roadway prism shall consist of clean non-expansive, granular fill with a minimum “R” value of 15.

The Contractor shall furnish evidence that the material from the site or other sources, for use in the roadway embankment, meets the above requirements and shall pay for such tests as may be required to show compliance. All material shall be sampled and tested in accordance with the appropriate Colorado Department of Transportation or AASHTO procedures.

Subsection 203.11, shall include the following:

The quantity for Unclassified Excavation will not be measured, but will be the quantity designated in the Contract, unless field changes are ordered. If field changes are ordered, the quantities will be calculated using the revised dimensions and the additional volume of material shall be approved in writing by the Engineer prior to beginning the work. No allowances shall be made for shrinkage, swell, subsidence due to compaction of the existing ground or any other losses.

Subsection 203.12 shall include the following:

All material from Unclassified Excavation shall become property of the Contractor. Haul for disposing of removed materials will not be paid for separately, but shall be included in the work.

REVISION OF SECTION 217

NOXIOUS WEED TREATMENT

Section 217 of the Standard Specifications is hereby revised for this project as follows:

Subsection 217.03, add the following:

All herbicides shall be selected and applied by a commercial pesticide applicator with a Qualified Supervisor licensed by the Colorado Department of Agriculture. The Contractor shall furnish documentation of such licensing before herbicide application. Herbicide mixing and application shall be done per instructions on the registered product label.

The Engineer shall be furnished such label information before mixing and application.

The Contractor shall notify the Engineer at least 24 hours before each herbicide application and shall indicate the time and location application will begin. Application will not be allowed on Saturdays, Sundays, or holidays unless otherwise approved by the Engineer.

Herbicides shall not be applied when weather conditions, including wind conditions, are unsuitable for such work. Herbicides shall not be applied when soil is extremely dry.

Herbicide application method shall be such that plant growth outside the designated treatment areas will not be damaged. All damage caused by improper herbicide application shall be repaired at the Contractor's expense.

Herbicides shall not be used on areas that are to be topsoil sources unless otherwise approved by the Engineer.

Mechanical removal shall be conducted as designated in the IWMP for control of kochia and Russian olive. This includes periodic mowing, and cut stump removal of the Russian olive, if the tree is within the Project LDA.

All noxious weed parts that are mechanically treated shall be removed from the site per standard noxious weed treatment practices and in accordance with the IWMP, including any parts of the Russian olive tree.

Subsection 217.04, add the following:

The quantity of herbicide treatment and mechanical removal to be measured will be the actual number of hours the Contractor spends applying the herbicide or removing noxious weeds designated in the IWMP and accepted by the Engineer. Reapplication of herbicide or additional mechanical removal activities required due to inappropriate timing of the original application or removal will not be measured or paid for.

Subsection 217.05, add the following:

The accepted quantities of herbicide treatment and mechanical removal will be paid for at the contract unit price per hour.

Payment will be made under

Pay Item Pay Unit Noxious Weed Management HR

Water will not be measured and paid for separately but shall be included in the work.

Off Site disposal of mechanically removed noxious weed parts shall not be paid for but shall be included in the work.

REVISION OF SECTION 304

AGGREGATE BASE COURSE

Section 304 of the Standard Specifications is hereby revised for this project as follows:

Subsection 304.02 shall include the following:

Materials for the base course shall be Aggregate Base Course (Class 6) as shown in subsection 703.03

The aggregate base course (Class 6) must meet the gradation requirements and have a resistance value of at least 78 when tested by the Hveem Stabilometer method.

REVISION OF SECTION 506

RIPRAP

Section 506 of the Standard Specifications is hereby revised for this project as follows:

Subsection 506.03 shall include the following:

Riprap shall be placed at the locations as shown on the drawings and installed with the following requirements:

A. Channel slopes, bottoms, or other areas that are to be protected with riprap shall be free of brush, trees, stumps, and other objectionable material and be graded to a smooth compacted surface. Contractor shall excavate areas to receive riprap to the specified depth.

The contractor shall place filter fabric and place the riprap on stable subgrade materials. If unsuitable materials are encountered, they shall be removed and replaced as directed by the City of Loveland and shall be paid under 203 Unsuitable Material. When subgrade is built up with embankment material, approved material shall be placed and compacted in a maximum of four-inch (4") lifts to ninety-five percent (95%) of Maximum Standard Proctor Density (ASTM D698). After an acceptable subgrade is established, place the filter fabric and then six (6) inches of Type II Bedding Material. The riprap shall be immediately placed on the bedding and leveled to the specified elevation.

B. All fabric, bedding, and rock is to be placed in a dewatered condition beginning at the toe of the slope or other lowest point. Place a first layer of smaller riprap of approximate d50 thickness. Then place the top layer with surface rocks that are largely d50 or greater, filling voids as necessary with smaller riprap. Surface grades shall be a plane or as indicated, but projections above or depressions under the finished design grade of more than ten percent (10%) of the rock layer thickness shall not be allowed. Smaller rock shall be securely locked between the larger stone. Any large voids shall be filled with rock. The majority of the riprap on this project will be buried with a substantial amount of embankment. Riprap shall be covered with a minimum eight (8) inches of native soil such that no rock points are protruding. Four (4) inches of condition soil (per Section 212) shall be placed on the native soil on the buried riprap. The final surface shall be thoroughly wetted for good compaction, smoothed and compacted by vibrating equipment; the surface shall then be hand raked to receive planting or seeding. Planting and/or seeding shall be completed as soon as possible after riprap installation.

D. City of Loveland shall reject placed riprap which does not conform to this section and the contractor shall immediately remove and rework the riprap to conform to said sections. Riprap shall be rejected which is either delivered to the job site or placed that does not conform to this section. Rejected riprap from stockpiles or that has been placed shall be removed from the project site by the Contractor and at contractor's expense.

Subsection 506.10 shall include the following:

Payment will be made under

Soil Riprap (6 Inch) CY

Payment for Riprap will be full compensation for all work and materials required to complete the item, including but not limited to, bedding material, filter fabric, rock, labor and equipment, and topping with twelve (12) inches of native material and/or conditioned soil. Excavation for the placement of riprap will be paid under Unclassified Excavation.

REVISION OF SECTION 604

VAULT TOILET

Section 604 of the Standard Specification is hereby revised as follows:

Subsection 604.01 shall include the following:

This work consists of the construction and placing of the precast concrete vault toilet building as produced by CXT or approved equal.

Subsection 604.02 shall include the following:

SUBMITTALS

Product Data: For each type of product indicated and paint color.

Shop Drawings: For prefabricated structures. Include plans, elevations, sections, details, and attachments to other work.

Indicate dimensions, weights, loads, gauge, method of field assembly, components, and location and size of each field connection. Submit shop drawings and structural calculations prepared and sealed by a Professional Engineer registered in the State of Colorado, for review and approval by the jurisdiction having authority. Submit letter verifying the design loads are within the range of design loads per local building code. Detail connections, reinforcing, anchor bolts, etc.

Maintenance data.

Samples: For each exposed product and for each color and texture specified. Provide manufacturer’s full range of available finishes.

Warranty: submit warranty documentation.

QUALITY ASSURANCE

Manufacturer Qualifications: The manufacturer (or company) shall have been in continuous operation as a “single source” business a minimum of 10 years, specializing in the fabrication of restrooms. Prefabricated concrete structures shall be the manufacturer’s primary business. The manufacturing company shall have fabricated similar structures to that which is specified.

Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project.

WARRANTY

Product Warranty: 20 years against defects in material or workmanship on all concrete components.

MANUFACTURERS

Products: Subject to compliance with requirements, provide prefabricated restrooms by the following:

CXT, Incorporated Spokane Industrial Park 3808 North Sullivan Road, Building 7 Spokane, WA 99216 Phone: 800-696-5766 http://www.cxtinc.com

Approved alternative manufacturer prior to bid opening.

DESIGN CRITERIA

1. Roof Snow Load: 350 pounds per square foot snow load.

2. Floor Load: 400 pounds per square foot floor load.

3. Wind Load: 150 mile per hour (3-second gust) wind exposure C.

4. Seismic: design category E earthquake.

5. Additional Design Standards

6. Sixty-inch turning radius inside toilet room specified by the American with Disabilities Act Requirements and Uniform Federal Accessibility Standards as of the date of these specifications.

7. Sweet Smelling Technology as outlined by Briar Cook for the U.S. Forest Service.

8. (2) one-piece full length and width vault units to support the building, screen area and snow loads evenly. One-piece floor unit to prevent panels that migrate in different direction during periods of freeze/thaw stress.

9. All concrete design with a minimum 3/12 roof pitch.

10. Minimum 4 inch wall, 4 ½ inch roof, and 5 inch floor thickness.

11. All wall to floor interior surface seams shall have a minimum 1” radius coving made of high strength grout.

MATERIALS

Concrete - General

1. The concrete mix design will be designed to ACI 211.1 to produce concrete of good workability.

2. Concrete will contain a minimum of 675 pounds of cementitious material per yard. Cement will be a low alkali type I/II or III conforming to ASTM C-150.

3. Coarse aggregates used in the concrete mix design will conform to ASTM C33 with the designated size of coarse aggregate #67.

4. Minimum water/cement ratio will not exceed .45.

5. Air-entraining admixtures will conform to ASTM C260. Water reducing admixtures will conform to ASTM C494, Type A.

6. If Self Compacting Concrete (SCC) is used, it must conform to ASTM C1611

Colored Concrete

Color additives will conform to ASTM C979. A 12”x12”x1” color sample will be available for customer approval. The same brand and type of color additive will be used throughout the manufacturing process. All ingredients will be weighed and the mixing operation will be adequate to ensure uniform dispersion of the color.

The following will contain colored concrete:

Toilet building roof panels;

Building walls; and Screen panels.

Cold Weather Concrete

Cold weather concrete placement will be in accordance with ACI 306. Concrete will not be placed if ambient temperature is expected to be below 35 degrees F. during the curing period unless heat is readily available to maintain the surface temperature of the concrete at least 45 degrees F. Materials containing frost or lumps of frozen materials will not be used.

Hot Weather Concrete

The temperature of the concrete will not exceed 95 degrees F. at the time of placement. When the ambient reaches 90 degrees F. the concrete will be protected with moist covering.

Concrete Reinforcement

All reinforcing steel will conform to ASTM A615. All welded wire fabric will conform to ASTM A185. All reinforcement will be new, free of dirt, oil, paint, grease, loose mill scale and loose or thick rust when placed. Details not shown of drawings or specified will be to ACI318. Steel reinforcement will be centered in the cross-sectional area of the walls and will have at least 11/4” of cover on the under surface of the floor. The maximum allowable variation for center-center spacing of reinforcing steel will be ½.”

Full lengths of reinforcing steel will be used when possible. When splices are necessary on long runs, splices will be alternated from opposite sides of the components for adjacent steel bars. Lap bars #4 or smaller a minimum of 12.” Lap bars larger than #4 a minimum of 24 bar diameters. Reinforcing bars will be bent cold. No bars partially embedded in concrete will be field bent unless approved by the customer.

Sealers and Curing Compounds

1. Curing compounds, if used, will be colorless, complying with ASTM C309, type I or 1-D.

2. Weatherproofing sealer for exterior of building will be a clear water repellent penetrating sealer.

Caulking, Grout, Adhesive and Sealer

1. Caulking service temperatures from -40 to +194 degrees Fahrenheit.

2. Interior and exterior joints will be caulked with a paintable polyurethane sealant.

3. Grout will be a non-shrink type and will be painted to match the color of surrounding concrete as nearly as possible.

4. Cement base coating is formulated with a very fine aggregate system and is a built in bonding agent.

Paint

All paints and materials will conform to all Federal specifications or be similar “top-of-the-line-components.” Paints will not contain more than .06 percent by weight of lead.

Inside concrete surfaces

i. Interior floors will be a chemical resistant urethane. The color will be gray.

ii. Interior walls and ceilings will be a modified acrylic, water repellent penetrating stain. The color will be white followed by a clear acrylic anti-graffiti sealer.

iii. Metal surfaces both inside and out shall be DTM ALKYD

Exterior concrete surfaces

1. Exterior slab will be clear sealer

2. Exterior walls and roof will be a water repellent penetrating stain in the same color as the walls or roof followed by a clear acrylic anti-graffiti sealer.

Grab bars

Grab bars will be 18 gauge, type 304 stainless steel with 1-1/2” clearance. Grab bars will each be able to withstand 300 pound top loading.

Toilet Paper Dispenser

Dispenser will be constructed of ¼” thick, type 304 stainless steel. Dispenser will be capable of holding three

(3) standard rolls of toilet paper. Toilet paper holder fastening system will be able to withstand 300 pound top loading.

Steel Doors

1. Doors will be flush panel type 1-3/4” thick, minimum 16 gauge galvanized steel, top painted with DTM

ALKYD.

2. Door frames will be knockdown or welded type, single rabbet, minimum 16 gauge prime coated steel top painted with DTM ALKYD, width to suit wall thickness. Three (3) rubber door silencers will be provided on latch side of frame.

3. Door Hinges

4. Door hinges will be 3 per door with dull chrome plating 4-1/2”x4-1/2,” adjustable tension, automatic-closing for each door.

5. Lockset will meet ANSI A156.2 Series 4000, Grade 1 cylindrical lockset for exterior door.

6. Lever handle both inside and out. Either handle operates latch unless outside handle is locked by inside push-button. Push-button will automatically release when inside lever handle is turned or door is closed.

Inside lever always active. U.S. 26D finish.

7. Emergency slot on exterior so door can be unlocked from the outside with a coin, screwdriver and etc.

8. Deadbolt will be a Lori Lock standard model with a double cylinder, 2 ¾” backset, and US26D finish.

The cylinder will be a standard 11/8” Schlage Mortise cylinder with compression ring and 626 finish.

9. Doorstop will be a dome style stop meeting ANSI 156.16.

10. Coat hook will be 304 stainless steel 16 gauge (1.5mm), formed construction with a satin finish and have 3/16”x 7/8” nail in anchor. Upper hook will extend at least 2-1/2” inches from the wall. Lower hook will extend at least 1-1/4” from the wall.

11. Door sweep will be provided at the bottom of door and will be an adjustable brush type.

Wall Vent

Vent cover will be 14 gauge 304 stainless steel painted with DTM and anchored into the concrete wall with high strength anti-rust tap con fasteners. The vent louver frame and louvers will be non-vision .1” extruded aluminum jet coat finish. Vent to come with insect screen. Cover to be recessed a minimum ¾” on exterior walls with a 45 degree bevel. Interior to be flush mounted. Wall vent will not protrude from the wall.

Signs

1. Signs to have raised pictograms, letters and Braille to meet ADA.

2. Interior to have “No Trash in Vault Sign.”

3. All signs inset a minimum of ¾” into wall with 45 degree bevel.

4. All signs to be anchored into concrete with ¼” x ¾” concrete anchor nails.

Windows and Vault Cleanout Cover

1. Windows and cleanout cover frames will be constructed from steel.

2. Window glazing will be 3/16” thick translucent pebble finished mar-resistant Lexan.

3. Plate for vault cleanout cover will be ¼” thick diamond plate steel.

4. Lid will be hinged and configured so that it can be locked with a padlock. A gasket will be provided around the entire perimeter of the lid to provide an airtight seal.

5. Windows to have ¾” recess with 45 degree bevel.

6. Windows frames to have vandal resistant fasteners.

Vent Stack

Vent stack to be a minimum 12 inches in diameter and a minimum 3 feet higher than the roof peak.

Vault Liner

The vault liner shall be made from a single sheet black ABS/750 virgin plastic and can hold up to 1,000 gallons of waste or 15,000 uses per vault. The initial sheet thickness shall be a minimum .375. Final stamped thickness shall be a minimum .060. The vault liner shall have molded dovetail embeds to attach the liner to concrete walls of the vault. The vault liner shall have two J-rails to attach the liner to the bottom of the vault. Vaults with ABS liner shall be warranted against leaks for a period of seven years.

Riser

Riser will meet ADA and be a molded one piece HDPE Aquatuf®. Riser will be a smooth surface and have high impact resistance at extremely cold temperatures.

MANUFACTURING

Finishing Concrete - Interior floor and exterior slabs will be floated and troweled.

All exterior building walls and exterior screen walls will be any one of the available textures.

All exterior surfaces of the roof panels will be cast to simulate any one of the available textures. The underside of the overhang will have a smooth finish.

Cracks and Patching

1. Cracks in concrete components which are judged to affect the structural integrity of the building will be rejected.

2. Small holes, depressions and air voids will be patched with a suitable material. The patch will match the finish and texture of the surrounding surface.

3. Patching will not be allowed on defective areas if the structural integrity of the building is affected.

FINISHING AND FABRICATION

Structural Joints

Wall components will be joined together with two welded plate pairs at each joint. Each weld plate will be 6” long and located one pair in the top quarter and one pair in the bottom quarter of the seam. Weld plates will be anchored into the concrete panel and welded together with a continuous weld. The inside seams will be a paintable caulk. The outside seams will use a caulk in a coordinating building color or clear.

Walls and roof will be joined with weld plates, 3"x6" at each building corner. The joint between the floor slab and walls will be joined with a grout mixture on the inside, a matching colored caulk on the outside and two weld plates 6” long per wall.

Painting/Staining

An appropriate curing time will be allowed before paint is applied to concrete.

Some applications may require acid etching. A 30% solution of hydrochloric acid will be used, flushed with water and allowed to thoroughly air dry.

Painting will not be done unless the temperature is 50 degrees F. or higher.

Schedule of finishes

Inside concrete surfaces:

1. Inside floors will be 1 coat of 1-part water based chemical resistant urethane.

2. Interior walls and ceilings will be 2 coats of a modified acrylic, water repellent penetrating stain, followed by 1 coat of clear sealer.

3. Metal surfaces both inside and out 2 coats of DTM ALKYD.

Exterior concrete surfaces

Exterior walls will be 2 coats of water repellent penetrating stain in the same color as the walls or roof followed by 1 coat of clear acrylic anti-graffiti sealer.

TESTING

The following tests will be performed on concrete used in the manufacture of toilets. All testing will be performed in the CXT (PCI certified) laboratories. Testing will only be performed by qualified individuals who have been certified ACI Technician Grade 1. Sampling will be in accordance with ASTM C172.

The air content of the concrete will be checked per ASTM C231 on the first batch of concrete. The air content will be in the range of 5.0% +/- 2.0%.

The compressive strength of the cylinders will be tested to ASTM C39. We will make one (1) cylinder for release, one

(1) for 7-days and one (1) for 28-days. The release must be a minimum strength of 2500 psi, the 7-day must be a minimum of 4500 psi and the 28-day must be a minimum of 5000 psi.

A copy of all test reports will be available as soon as 28-day test results are available.

CONSTRUCTION REQUIREMENTS

Subsection 604.04 (c) shall include the following:

Work specified under this Section includes excavation, backfill and placement of precast concrete vault toilet.

a. Bedding material to be sand or 3/8” minus crushed or screened aggregate.

b. Caulking between vault and toilet floor to be 1”x1” Butyl tape designed specifically to bond precast concrete to precast concrete.

c. Provide exact location by stakes or other approved method.

d. Provide clear and level site free of overhead and/or underground obstructions.

e. Provide access to the site for truck delivery and sufficient area for the crane to install and the equipment to perform the contract requirements.

f. Compact the natural ground at the bottom of the vault excavation with a minimum of three passes with a whacker-type mechanical compactor.

g. Install sand or aggregate bedding material for leveling course if needed. Compact leveling course with one pass with a whacker-type mechanical tamper or equivalent approved by the customer. Grade leveling course so there will be no high spots in the middle of the vault bottom. Compact with a second pass with a whacker or approved equivalent tamper.

h. Set vault in place and check for level or appropriate scope. Backfill around structure. Use excavated material for backfill except those rocks larger than six inches in maximum dimension shall not be placed within six inches of the exterior vault walls.

i. Fill, adjacent to the building entry, will have excavated material placed in eight inch loose lifts and compacted with a minimum of two passes with a whacker-type mechanical compactor.

j. Intended final grade is flush with the top of the front slab. Allow for placement of topsoil to reach that grade.

Grade backfill away from structure at maximum slope of five (5) percent unless otherwise approved by the Owner’s Representative.

Vault Toilet Riser and Accessories

Polyurethane caulk will be applied between toilet riser flange and concrete floor before the toilet riser is installed.

Exhaust Pipe Installation

After exhaust pipe is installed, seal around pipe at top and underside of roof with polyurethane caulk. Seal around pipe at top of slab will be accomplished by using polyurethane caulk.

METHOD OF MEASUREMENT

Subsection 604.06 shall include the following:

Vault Toilet will be measured as each unit.

Structure excavation and backfill will not be measured and paid for separately but shall be included in the work.

BASIS OF PAYMENT

Vault Toilet – No Electric Each

REVISION OF SECTION 607 FENCES

Section 607 of the Standard Specifications is hereby revised as follows:

Subsection 607.02 shall include the following:

Two Rail wood Fence

Wood fence posts shall be 6” in diameter and rails shall be 4” in diameter. All wood shall be pressure treated with MCA (Micro Copper Azole) or ACQ (Alkaline Copper Quarternary) wood preservative.

Vehicle Gate

The width of gate shall be 32’ made up of two 16’ gate panels centered on the 28’ access road. Gate shall be a steel farm type gate that is powder coated green a minimum of 4.33’ tall with 6 tubes. All tubular construction shall be made of 16 ga. Gates shall come with (2) 3/4 in. x 12 in. hinge pins and heavy-duty welded chain latch. Gate panels shall be attached to a wood rail post from the Two Rail Wood Fence system per the manufacturers recommendations.

Fence Wood Railing Linear Foot

Vehicle Gate Each

REVISION OF SECTION 613 LUMINAIRE (SPECIAL)(SOLAR)

Section 613 of the Standard Specifications is hereby revised for this project as follows:

Subsection 613.02(b) and (c) Light Standard and Luminaire material shall include the following:

Light required at the trailhead parking area shall be a single arrangement Fonroche Solar Light

Model No. RFS-72W32LED3K-G2-4

Lights shall comply with City development code for height requirements

Subsection 613.04 Concrete Foundation shall include the following:

Caisson shall be manufacturer recommendations

Luminaire (Special)(Solar) Each

REVISION OF SECTION 622

REST AREAS AND BUILDINGS

Section 622 of the Standard Specification is hereby revised as follows:

Subsection 622.09 Barricades shall include the following:

Concrete wheel stops shall be precast and 6’ long x 9” wide x 4 ½” tall and shall be reinforced with two #3 rebar and have two 3/4" thru-holes for anchoring.

Subsection 622.20 Trash Receptacles shall include the following:

Receptacle shall be the Bearsaver - HA Series single trash enclosure or equivalent. The following requirements need to be met:

ADA Compliant Animal and Bear Proof 40 Gallons capacity Assembled Width 24 in Assembled Height 46 in Assembled Length 24 in All hinges, handles, striker plates and hardware are zinc coated for corrosion resistance. The door hinges are heavy-duty piano hinge material using stainless steel pins. The housing and doors are made from corrosion resistant steel and are finished using a textured powder coat process. The finish is resistant to humidity, salt spray, fog, ultraviolet rays, abrasion and chemicals. Powder coat colors shall be Forest Brown.

40 gallon rigid liner to be included.

Payment will be made under:

Trash Receptacle (Bear Resistant) Each

Wheel Stop (Concrete) Each

FORCE ACCOUNT ITEMS

DESCRIPTION

This special provision contains the Division's estimate for force account items included in the Contract. The estimated amounts marked with an asterisk will be added to the total bid to determine the amount of the performance and payment bonds. Force Account work shall be performed as directed by the Engineer.

Payment will be made in accordance with subsection 109.04. Payment will constitute full compensation for all work necessary to complete the item.

Force account work valued at $5,000 or less, that must be performed by a licensed journeyman in order to comply with federal, state, or local codes, may be paid for after receipt of an itemized statement endorsed by the Contractor.

Estimated Force Account Item Quantity Amount

F/A Minor Contract Revisions F.A. $10,000*

SPECIAL CONSTRUCTION REQUIREMENTS

1. The Contractor shall submit a plan to show the phasing of the work. The plan will specifically identify how the traveling public will be protected and how traffic will be maintained through the project without detours for the duration of the project. The Plan shall be submitted to the Engineer at least 5 working days prior to when work begins.

2. The Contractor shall utilize approved concrete washout structure for all concrete operations.

3. The sulfate level for this project is 0.

4. The Contractor’s personnel on the construction site shall wear personal protective equipment (including hard hats and safety vests) at all times.

5. Night work will not be allowed on this project.

6. Access to adjacent properties shall be maintained at all times.

All costs associated with the foregoing requirements will not be paid for separately, but shall be included in the cost of the work.

TRAFFIC CONTROL PLAN - GENERAL

The key elements of the Contractor's method of handling traffic (MHT) are outlined in subsection 630.10.

The components of the TCP for this project are included in the following:

(1) Subsection 104.04 and Section 630 of the specifications

(2) Schedule of Construction Traffic Control Devices

(3) Standard Plan S-630-1, Traffic Controls for Highway Construction

(4) Standard Plan S-630-2, Barricades, Drums, Concrete Barriers (Temp) and Vertical Panels

(5) Manual on Uniform Traffic Control Devices (MUTCD)

Special Traffic Control Plan requirements for this project are as follows:

The work on US 34 will be constructed under a shoulder closer condition.

Temporary signing and approved temporary delineation (approved channelizing devices) shall be in full compliance with phasing plans and MHT’s at the completion of each working day.

The Contractor shall clean the roadway surface of all construction debris. Prior to opening the roadway to traffic, the Engineer will inspect the roadway surface to determine that it is free of all safety hazards.

Traffic shall not be delayed for more than 5 minutes at a time and shall not cause back-ups on the adjacent interchange ramps unless approved by the Engineer. The Contractor shall be required to have sufficient personnel on hand to continuously adjust the lane closures as the work progresses.

The Contractor shall coordinate all operations requiring traffic control with scheduled Holidays and Special events.

There may be other events as directed by the Engineer. These events are in addition to the ones listed.

No staging of equipment shall interfere with access to adjacent properties.

Unauthorized delays or traffic interruptions will be considered a violation of this provision and shall be subject to price reductions as described in Revision of Section 105 – Violation of Working Time Limitation.

The Contractor shall provide all construction vehicles with flashing amber lights.

The Contractor shall submit construction sequencing, traffic sequencing proposal, and methods of construction to the Engineer for approval.

The Contractor shall not have construction equipment or materials in the lanes open to traffic at any time.

The Contractor shall organize the work such that there will be no hazards within the Clear Zone at the completion of each day's work.

Employee vehicle parking is prohibited where it conflicts with safety, access, or flow of traffic. No employee parking will be allowed within the clear zone. The Contractor and the Engineer, prior to starting work, shall locate parking areas to be approved by the Engineer.

Any signs damaged due to the Contractor’s operations shall be replaced in-kind or repaired by the Contractor at no expense to the project.

Sufficient Traffic Control Devices are included in the plans to cover expected construction activities. Should the Contractor elect to utilize additional devices to enhance the operation, the additional devices will not be paid for but shall be provided at the Contractor's expense, unless otherwise approved for payment by the Engineer.

All costs incidental to the foregoing requirements shall be included in the original contract prices for the project.

UTILITIES

Known utilities within the limits of this project are:

Louden Irrigating Canal and Reservoir Company (Louden Ditch)

Loveland Water and Power Department

(970) 373-7267

(970) 962-3588

Loveland, CO

Loveland, CO

The work described in these plans and specifications may require coordination between the Contractor and the utility companies in accordance with subsection 105.06 in conducting their respective operations as necessary.

The Contractor will be required to provide traffic control for any utility work expected to be coordinated within the project construction limits, as directed by the Engineer.

The Contractor shall be responsible for protecting, supporting, and if necessary, shoring existing utilities while constructing the roadway and associated work. The Contractor shall submit to the City of Loveland and the individual utility companies’ plans of how the utility lines will be supported and protected during construction.

As stated in Section 105 of the Specifications, the Contractor shall consider in the bid proposal all of the permanent and temporary utility facilities in their present and relocated positions as shown in the Contract and as revealed by site investigation. Additional compensation will not be allowed for foreseeable coordination, inconvenience, or damage sustained due to interference from the utility facilities or the removal or relocation operations as indicated in the Contract.

For this project, there will also not be delays granted or extensions of Contract time related to the coordination of the project with utility relocation work by others. The Contractor and Engineer shall meet with the utility owners as often as necessary (in the Contractor's opinion) to effectively coordinate and schedule required utility relocations or adjustments by the respective utility companies.

The work listed below will be performed by the contractor:

The work listed below shall be performed by the Contractor in accordance with the plans and specifications, and as directed by the Engineer. The Contractor shall keep the utility company(s) advised of any work being done to their facility, so that the utility company(s) can coordinate their inspections for final acceptance of the work with the Engineer.

Louden Irrigating Canal and Reservoir Company (Louden Ditch)

Maintain open access to canal throughout the duration of the project.

The work listed below will be performed by the utility owners or their agents:

No utility work anticipated.

General:

The Contractor shall comply with Article 1.5 of Title 9, CRS ("Excavation Requirements") when excavating or grading is planned in the area of underground utility facilities. The Contractor shall notify all affected utilities at least two (2) business days, not including initial day of contract, prior to commencing such operations. Contact the Utility Notification Center of Colorado (UNCC) (1-800-922-1987) to have locations of UNCC registered lines marked by member companies. All other underground facilities shall be located by contacting the respective company. Utility service laterals shall also be located prior to beginning excavation or grading.

The location of utility facilities as shown on the plan and profile sheets, and herein described, were obtained from the best available information.

All costs incidental to the foregoing requirements will not be paid for separately but shall be included in the work.

STANDARD SPECIAL PROVISIONS

January 8, 2024 Revision Of Sections

101 - Definitions 106 - Control of Materials

Revise Section 101 of the Standard Specifications as follows:

Delete and replace the following definitions in subsection 101.02:

Subcontractor. An individual, firm, corporation, or other legal entity at any tier to whom the Contractor sublets part of the Contract. A subcontractor shall include an individual, firm, corporation, or other legal entity who meets one or both of the following criteria:

(a) Establishes a fabricating process or facility exclusively for the use of the Project, whether on or off the site of work per 29 CFR 5.2 Site of Work (1)(i)(ii)(iii).

(b) Performs work that is incorporated within the Project limits.

Supplier: An individual, firm, or corporation who meets all of the following criteria:

(a) Sells manufactured materials as a broker, distributor, dealer, manufacturer, or wholesaler who may or may not deliver the materials to the site of work.

(b) The manufacturing of the materials, articles, supplies, or equipment used for the contract that is being supplied shall come from a facility or facilities that:

(1) Is not located on, nor does itself constitute, the project or contract's primary construction site or secondary construction site as defined in 29 CFR 5.2; and

(2) Either was established before opening of bids on the contract, or is not dedicated exclusively, or nearly so, to the performance of the contract.

(c) The supplier�s only obligations for activity on the contract is the delivery of materials, articles, supplies, or equipment, which may include pickup of the same in addition to, but not exclusive of, delivery, and which may also include activities incidental to such delivery and pickup, such as loading, unloading, or waiting for materials to be loaded or unloaded; and

(d) If an entity, in addition to being engaged in the activities specified in paragraph

(c) of this definition, also engages in other construction, prosecution, completion, or repair on the site of the work, then this entity is not a supplier but a contractor.

January 8, 2024

Revision Of Sections 101 - Definitions

106 - Control of Materials

Revise Section 106 of the Standard Specifications as follows:

Delete and replace subsection 106.01 with the following:

106.01 Source of Supply and Quality Requirements. All materials used shall meet all quality requirements of the Contract. The Contractor shall comply with the requirements of the special notice to contractors contained in the Department�s Field Materials Manual, including notifying the Engineer of the proposed sources of materials at least two weeks before delivery.

When alternative materials are permitted for an item in the Contract, the Contractor shall state at the Pre-construction Conference the material that will be furnished for that item.

Reference in the Contract to a particular product or to the product of a specific manufacturer, followed by the phrase �or approved equal�, is intended only to establish a standard of quality, durability, and design, and shall not be construed as limiting competition. Products of other manufacturers will be acceptable provided such products are equal to that specified.

All rental equipment companies and all entities who meet the Supplier definition, as outlined in 101.02, in which the written agreement exceeds $10,000, shall have the following requirements for the Contract:

(a) Rental equipment companies and Suppliers shall create an account in the B2GNow software system.

(b) The Contractor shall submit a completed Form 1425 in the B2GNow software system at such time that the $10,000 amount is known to be exceeded and/or before the following occurs on the Contract:

• the Supplier�s upper tier begins work, or

• rental equipment is being used, or

• incorporating materials into the Contract

Failure to comply with the requirements of this subsection shall be grounds for withholding of progress payments.

October 16, 2024

Revision of Sections 101 and 106 Buy America and Build America, Buy America Requirements � No Federal-Aid or Projects with less than $500,000 in Federal-Aid

Highway Funding

Sections 101 and 106 of the Standard Specifications shall be revised as follows:

Add the following to Subsection 101.02 Definitions:

Build America, Buy America (BABA) Requirements: Division G, title IX, subtitle A, parts I-II, sections 70901 through 70927 of the Infrastructure Investment and Jobs Act (Pub. L. 117-58) and 2 CFR Parts 184 and 200. The �domestic content procurement preference� set forth in section 70914 of the Build America, Buy America Act, requires that all construction materials and manufactured products incorporated into the project are produced in the United States.

Buy America (BA) Requirements: FHWA Buy America statutory provisions are in 23 U.S.C.313 and the regulatory provisions are in 23 CFR 635.410, which requires that all of the steel and iron incorporated into the project is produced in the United States.

For other policy and guidance links, see the FHWA Construction Program Guide.

Buy America Preferences for Infrastructure Projects: Requirements for federal-aid funded highway projects as outlined and encompassed in 2 CFR Part 184.

Component: An article, material, or supply, whether manufactured or unmanufactured, incorporated directly into: (i) a manufactured product; or, where applicable, (ii) an iron or steel product.

Construction Material: Includes an article, material, or supply that consist of only one of the following items listed means articles, materials, or supplies that consist of only one of the items listed in paragraph (1) of this definition, except as provided in paragraph (2). To the extent one of the items listed in paragraph (1) contains as inputs other items listed in paragraph (1), it is nonetheless a construction material.

(1) The listed items are:

i. Non-ferrous metals;

ii. Plastic and polymer-based products (including polyvinylchloride [PVC], composite building materials, and polymers used in fiber optic cables);

iii. Glass (including optic glass);

iv. Fiber optic cable (including drop cable);

v. Optical fiber;

vi. Lumber;

Revision of Sections 101 and 106 Buy America and Build America, Buy America Requirements � No Federal- Aid or Projects with Less than $500,000 in Federal-Aid Highway Funding

vii. Engineered wood; and

viii. Drywall.

(2) Minor additions of articles, materials, supplies, or binding agents to a construction material do not change the categorization of the construction material.

Cost of Components for Manufactured Products: In determining whether the cost of components for manufactured products is greater than 55 percent of the total cost of all components, use the following instructions:

(i) or components purchased by the manufacturer, the acquisition cost, including transportation costs to the place of incorporation into the manufactured product (whether or not such costs are paid to a domestic firm), and any applicable duty (whether or not a duty-free entry certificate is issued);

(ii) or components manufactured by the manufacturer, all costs associated with the manufacture of the component, including transportation costs as described in paragraph (i) of this section, plus allocable overhead costs, but excluding profit. Cost of components does not include any costs associated with the manufacture of the manufactured product.

Infrastructure Project: Includes, at a minimum, the structures, facilities, and equipment for, in…