S-12-26_SPECIAL_PROVISIONS.pdf

Special Provisions – 2026 MISCELLANEOUS CONCRETE

SPECIAL PROVISIONS

These special provisions shall supplement, amend, and wherein conflict therewithin, supersede various sections of the “City of Cheyenne and Board of Public Utilities Construction Standards and Specifications, 2022” and all Amendments to date. Special Provisions may also include new sections of specifications not covered in the standard specifications and will be numbered starting from Section 04000.

CONTENTS:

SECTION 02551 - TACK COAT

SECTION 02570 – ADJUSTING STREET FIXTURES

SECTION 02900 – LANDSCAPING

SECTION 04000 – SEQUENCE OF WORK

SECTION 04001 – PRE-FORMED PAVEMENT MARKINGS

SECTION 02570

ADJUSTING STREET FIXTURES

PART 3 EXECUTION

3.1 METHOD OF CONSTRUCTION

Add the following to Part 3.01; C:

1. Lowering of manholes and valves prior to milling shall be completed by removing the concrete collar around the street fixture, then carefully removing the fixture. Any debris dropped into the hole is the contractor’s responsibility to remove. Any debris allowed to fall into a sanitary sewer manhole shall be cleaned out immediately. If the CONTRACTOR cannot retrieve the material from manhole CONTRACTOR shall call BOPU immediately for assistance. BOPU may charge for their assistance. The

CONTRACTOR shall bare the sole responsibility and shall be solely liable to repair all damage to any business or residence and is responsible for all clean up and restoration to the owner’s and City’s satisfaction for any sewer backups resulting from the contractor allowing debris to clog a sewer line.

Add the following:

H. Manhole lids and frames and valve box tops and lids to be adjusted within pavement areas shall be removed and replaced with new lids, frames, and valve box tops. Removed items shall become the property of the CONTRACTOR and shall be disposed of in accordance with State and local laws.

I. The CONTRACTOR shall coordinate with private utilities for adjustment of structures not owned by the CITY or the BOARD OF

PUBLIC UTILITIES. Structures shall not be adjusted until coordination is complete.

END OF CHANGES

THIS SECTION

SECTION 02900

LANDSCAPING

PART 1

Add the following to Part “1”:

1.06 LANDSCAPING AS IT PERTAINS TO CITY ROW PROJECTS

A. Prior to beginning any project that affects a property owners landscaping at the rights of way, the contractor shall, in addition to the standard 48- h o u r construction notice, contact the property owner to discuss details of the necessary changes to their landscaping and sprinkler system.

B. Prior to beginning any excavation on the project, all attempts will be made to determine if a sprinkler system exist and then locate and protect all sprinkler heads and lines. If it is determined by ENGINEER that a system has been negligently damaged, the responsibility of replacement will be the

CONTRACTOR’S at no cost to the City.

C. Any disturbance to the landscaping during the project, particularly that adjacent to private property, shall be returned to its original condition as each area is completed. That includes but is not limited to sod, seed, topsoil, fencing, timbers, fabric, rock, sprinklers, etc. If it becomes necessary to replace any of these items, every effort will be made to match original materials. When replacement of sprinklers is required, they shall match the original equipment in brand, style, size and performance and must be installed by a competent person to the proper depth and spray pattern. The decision to replace with seed or sod will be determined by the City Engineers Office.

D. Every effort shall be made to keep the affected area to a minimum but not less than six (6) inches beyond the edge of the new concrete. Upon completion of concrete placement, it shall be backfilled with topsoil and finished with the appropriate landscape material. Topsoil used in this instance will not be paid as a landscaping item but will be included in the contractor’s unit price for that particular task i.e.: sidewalk, curb and gutter, etc.

PART 2 MATERIALS

Delete 2.01 Part B and insert the following in its place:

B. Lawns, seed: New crop lawn seed mixture, composed primarily of dwarf tall fescue.

Delete 2.01 Part “D” and insert the following in its place:

D. Trees shall be balled and burlapped 1-1/2” to 2” (one and one half to two) inch caliper as measured 6” (six) inches above ball. Property owner shall choose one tree for each tree removed from the ROW adjacent to their property. All replacements must be planted within the ROW. ENGINEER shall approve new planting location prior to planting. CONTRACTOR shall confer with the property owner, and property owner shall choose from the following species:

Deciduous Shade Trees- should be planted in all circumstances unless overhead utility lines are present.

Acer negundo ‘Sensation’ – Sensation Boxelder

Acer platanoides – Norway Maple- ‘Emerald Lustre’, ‘Emerald Queen’, ‘Deborah’

Aesculus species – Ohio Buckeye, Texas Buckeye, Yellow Buckeye, Horsechestnut

Celtis occidentalis – Hackberry

Gleditsia triacanthos v. inermis – Honeylocust- ‘Imperial’, ‘Shademaster’, ‘Skyline’

Gymnocladus dioicus – Kentucky Coffeetree- ‘Espresso’

Quercus macrocarpa – Bur Oak

Tilia species- Linden- ‘Boulevard’, ‘Frontyard’, ‘Legend’, ‘Sentry’, ‘Redmond’, ‘Greenspire’, ‘Glenleven’

Ulmus species – Elm- ‘Accolade’, ‘Princeton’, ‘New Horizon’, ‘Triumph’

Deciduous Ornamental Trees- should be planted only when overhead utility lines or a narrow tree lawn (<4’) is present

Acer grandidentatum – Bigtooth Maple

Acer tataricum – Tatarian Maple ‘Hot Wings’, ‘Pattern Perfect’

Crataegus crusgalli – Thornless Cockspur Hawthorn

Malus species – Crabapple ‘Adams’, ‘Radiant’, ‘Spring Snow’, ‘Thunderchild’, ‘Red Baron’

Pyrus ussuriansis – Ussurian Pear ‘Burgundy’, ‘Prairie Gem’

Syringa reticulata – Japanese Tree Lilac ‘Ivory Silk’

Sorbus species – Mt. Ash ‘Oakleaf’, ‘Showy’

Add the following to 2.01 Materials:

I. Weed barrier and bark or landscape rock

1. Weed barrier shall be of the type and brand which allows for moisture to pass through but blocks light.

2. Bark shall be cedar chips or other approved materials that closely matches those materials which are currently in place.

3. Rock may be of several different types and colors. Landscaping rock shall match as closely as possible to existing and to the satisfaction of the adjacent property owner.

J. Adjust, relocate or modify sprinkler systems.

1. This work shall be completed with materials equal to or better than existing materials used in the existing system.

2. Any work on control valves or wiring shall be compatible with the existing system.

3. Any sprinkler head replacement shall be equal to or better than existing system and shall provide complete coverage to the newly constructed area.

3.01 INSTALLATION

B. Lawns, seed:

Omit paragraphs 1 and 2.

Delete paragraph 4 and insert the following:

4. Rake seed into soil, mulch lightly with straw to retain moisture and commence watering in such a way as to not displace seed or soils twice daily for a period of two weeks.

C. Lawns, sod

Delete paragraphs 3 and 4 and, insert the following:

3. Water sod for a minimum of two weeks and until sod has sufficient root growth it will not displace when gently pulled from the top.

4. Tamp sod into place to ensure good soil root contact. All seams shall be tightly butted.

5. Sod pieces shall be placed in as large a piece as possible but at no time shall any dimension be less than six (6”) inches.

PART 4 METHOD OF MEASUREMENT AND BASIS OF PAYMENT

Add the following:

4.02 BASIS OF PAYMENT

B. Unit Prices

1. Payment for seed or sod shall be made for all areas disturbed in accordance with the specifications or as shown on the plans.

Areas disturbed outside these areas will be reseeded or sodded, as determined by ENGINEER, at the CONTRACTOR’S expense at no additional cost to the owner.

END OF CHANGES

THIS SECTION

SECTION 04000

SEQUENCE OF WORK

PART I GENERAL

1.01 ADDITIONAL TIMING AND WORK CONSTRAINTS FOR THIS PROJECT.

A. The following additional timing and work constraints apply to this project.

These constraints are in addition to those found in the Administrative

Instructions.

1. Two message boards shall be available at all times to be used at the

City’s discretion for alerting the public to traffic conditions and advance notices. Payment shall be included in the lump sum price bid for traffic control.

2. “Business Access” signs are not specialty signs and shall be available as needed. Payment shall be included in lump sum price bid for traffic control.

3. East 10th Street and Madison Avenue must be completed when school is not in session. The entire intersection may be fully closed to expedite the construction duration.

4. It is preferable to do the work at West 8th Street and Stanfield

Avenue as soon as possible due to the drainage concerns at that location.

5. The contract completion date is scheduled for June 30, 2027, however the city’s expectation is that the project will begin shortly after the notice to proceed and be at least 50% completed in the 2026 calendar year.

6. The north and south sides of the intersection at East 17th Street and

Albany Avenue may each be fully closed independently. The contractor must coordinate with the daycare at 1823 East 17th Street to ensure the safety of children, particularly during drop-off and pick-up times. This may require brief periods of no work activity at that location.

8. The east and west sides of the intersection at Shoshoni Street and

Weaver Road may each be fully closed independently.

9. All other valley pans on this project may be performed with a full street closure provided there are reasonable detour routes and reasonable access for residents and emergency vehicles.

END OF SECTION 04000

04001

PRE-FORMED PAVEMENT MARKINGS

PART 1 GENERAL

1.1 SUMMARY

A. The markings shall be a resilient white or yellow marking tape, with or without contrast, product with uniformly distributed, factory applied glass beads throughout the entire cross sectional area. The markings shall be resistant to the detrimental effects of motor fuels, lubricants, hydraulic fluids etc. Lines, legends and symbols are capable of being affixed to bituminous and/or Portland cement concrete pavements. Other colors shall be available as required.

B. The markings shall be able to be applied in temperatures down to 40 degrees Fahrenheit without pre-heating of road surface before application.

C. The markings shall be applied with the use of a propane heat torch

1.2 MANUFACTURING CONTROL AND CERTIFICATION

A. The manufacturer shall be ISO certified and provide proof of current certification. The scope of the certification shall include manufacturer of reflective highway markings.

PART 2 PRODUCTS

2.1 PAVEMENT MARKINGS

A. Shall be Premark® as manufactured by Flint Trading Inc. or approved equal.

B. Contrast markings, when available, shall be used on concrete surfaces.

2.2 ENVIRONMENTAL RESISTANCE

A. The material shall be resistant to deterioration due to exposure to sunlight, water, salt or adverse weather conditions and impervious to oil and gasoline.

3.1 APPLICATION

A. Application shall be in strict accordance with the manufacturer’s directions as stated in the submittals. Apply a compatible primer/sealer as needed to ensure proper adhesion as directed by the manufacturer.

Markings on concrete shall be applied using Premark SP-sealer (2 component) as supplied by Flint Trading or an authorized dealer.

Markings on bituminous asphalt older that one year shall be applied using Premark sealer (1 component) as supplied by Flint Trading or an authorized dealer. Premark material must be laid in place and the heating process MUST be underway prior to sealer curing.

B. All layout required in the construction of the pavement marking is the responsibility of the CONTRACTOR. Lay out shall be approved by the City of Cheyenne Traffic Department prior to the installation.

C. Concrete Pavement Application; grind inset grooves into pavement surfaces prior to the application of all pavement markings onto concrete. Ensure the grinding machine is equipped with a dust collection system or that wet grinding is performed so the discharge will meet current DEQ requirements. The depth of the groove shall be 125 mils ±

20 mils. The bottom of the groove shall have a rough flat grind finished surface. The width and length of the groove shall not be more than one

(1.5”) inch greater than the dimensions of the pavement marking. When grinding for an irregular shaped symbol, follow the width and length tolerances to the extent practicable as approved by the ENGINEER.

Remove loose particles, dirt, tar grease, residue of prior pavement markings, and other deleterious material from the surfaces to be marked.

3.2 TECHNICAL SERVICES

A. The successful BIDDER shall provide technical services as required.

3.2.1.1 TRAINING AND CERTIFICATION

A. Installation training provided by manufacturer to each employee must be completed prior to project start date. Certification of this training must be in writing and submitted prior to installation.

3.3 PLACEMENT AND ACCEPTANCE

A. Marking tape shall be applied according to manufacturer’s recommendations.

B. The City of Cheyenne Traffic Department shall verify the placement and dimensions of finished markings.

Applied pavement markings shall be straight and close to the intended alignment without abrupt changes that result in an unacceptable appearance.

Remove and replace pavement markings that do not meet the minimum

Retro reflectivity requirements.

Removal and replacement of unsatisfactory pavement marking shall be at no additional cost to the CITY.

C. The CONTRACTOR shall replace all failed pavement markings at no additional cost to the CITY, before the project is accepted. The

CONTRACTOR shall have thirty

(30) calendar days; exclusive of days the CONTRACTOR is prevented from working due to adverse weather and road surface conditions, to replace the failed pavement markings. If the work is not completed in this period, the ENGINEER, after giving the CONTRACTOR written notice, shall reinstate the assessment of working day changes. Working day changes shall continue until the work is accepted.

3.4 TRAFFIC CONTROL

A. Prior to installation, the CONTRACTOR shall provide the necessary construction zone traffic control. Traffic control devices shall be placed to keep traffic from traveling on the prepared pavement and/or markings during installation.

PART 4 METHOD OF MEASUREMENT AND BASIS OF PAYMENT

4.1 METHOD OF MEASUREMENT

A. Stop bars and crosswalk bars shall be paid by the square foot in place.

B. Legends shall be paid by each installed.

4.2 BASIS OF PAYMENT

A. The accepted quantities of Traffic Markings shall be paid for at the contract unit price per each item listed in the Bid Proposal; which payment shall be full compensation for furnishing all labor, materials, pavement preparation, equipment, tools and incidentals necessary to complete the work.

END OF

SECTION 04001