834640bridgeMont.pdf

Technical Specifications Contract No.________ Page 1 of 24

Specification (SPEC) 6616 Montgomery County A & I, Division of Roads & Bridges 2026 Bridge Maintenance Package

TECHNICAL SPECIFICATIONS

SUMMARY

This project involves the repair of the following nine (9) Montgomery County Bridges as indicated in this bid package:

• Bridge 51 (High School Road) - Lat/Long 40.072, -75.124

• Bridge 55 (Jenkintown Road) - Lat/Long 40.065, -75.073

• Bridge 113 (Schwab Road) - Lat/Long 40.262, -75.287

• Bridge 114 (Vine Street) - Lat/Long 40.277, -75.292

• Bridge 137 (Arcola Road) - Lat/Long 40.151, -75.446

• Bridge 149 (Shelly Road) - Lat/Long 40.297, -75.417

• Bridge 221 (Metz Road) - Lat/Long 40.229, -75.363

• Bridge 228 (Geryville Pike) - Lat/Long 40.387, -75.468

• Bridge 259 (Green Lane Road) - Lat/Long 40.337, -75.493

FUNCTIONAL REQUIREMENTS

A. Project Duration: The Contractor shall have Two Hundred and Seventy (270) Calendar Days from the date of the written Notice-To-Proceed to complete the project in accordance with the conditions, specifications and provisions as set forth in this contract.

B. Utility Coordination: Three (3) working days prior to excavation, the Contractor must contact the PA One Call system, Inc. (1-800-242-1776) to obtain a construction serial number for this project.

Locations of existing utilities are based on existing records and above ground observations at the site. Completeness or accuracy of location and depth cannot be guaranteed. All Contractors and other persons utilizing these plans and information are cautioned to comply with the requirements of PA Act 287 of 1974 as amended by Act 121 of 2008. Each individual using these plans must verify location and depth of all underground utilities and facilities before starting work.

The contractor shall coordinate with the appropriate utility company contact persons as provided in these plans. All manholes and valve boxes within the project area shall be adjusted to grade by the contractor. If utility conflicts are encountered during construction, the contractor shall immediately inform the engineer and make arrangements for the relocation of the necessary utilities at no cost to the county.

Bidders shall determine the number of utility adjustments required and coordinate all work directly with the appropriate utility company.

C. Property Owner Coordination: The Contractor shall notify all nearby property owners of the project fifteen (15) calendar days prior to the start of construction. The Contractor shall provide a secure safety barrier to prevent unauthorized pedestrian and vehicle access into the

Specification (SPEC) 6616 Montgomery County Dept. of A & I, Division of Roads & Bridges, 2026 Bridge Maintenance Package

Technical Specifications Contract No.________ Page 2 of 24 construction zone at all times. The Contractor is liable for all damages (property, bodily, etc.)

that occur within the construction zone for the duration of the project.

The contractor is responsible for securing a storage area. If the project limits do not allow for the storage on the roadway, the contractor will need to coordinate with the adjacent property owners.

The successful bidder shall contact and coordinate work with adjacent property owners to minimize disruption and conflicts. The successful bidder is to maintain access to all residential properties. Any work affecting access to properties shall be coordinated with property owners.

D. Other Coordination: The successful bidder shall contact applicable municipalities, property owners, and PennDOT Press Office (610-205-6800) a minimum of two weeks prior to the beginning of construction. If the successful bidder plans to perform any overnight work, they will need to obtain written approval from the municipality where the work will be completed

(48) hours prior to performing any work. The successful bidder shall submit the written acceptance from the municipality to Montgomery County before performing any work.

E. The successful bidder shall be responsible for supplying all material and equipment for the completion of the work described.

F. All materials workmanship and construction methods must meet the requirements of the Commonwealth of Pennsylvania Department of Transportation (PennDOT) Publication 408 Specifications, latest edition.

G. The successful bidder shall visit the project locations and base the bid on existing conditions.

H. Traffic Considerations:

1. Traffic control including but not limited to: barricades, signs, flagmen, etc., shall be supplied and maintained by the successful bidder in accordance with the PennDOT Publication 213, Temporary Traffic Control Guidelines, latest edition.

2. Unless the project is being constructed under detour, no lane restrictions on any county roads or bridges can occur from 6 AM to 9 AM and from 3 PM to 6 PM. This restriction can be lifted if written approval is granted from the township in which the road or bridge is located.

I. Bidders Qualifications: Bidders on this project must be PennDOT pre-qualified in the applicable work class codes to qualify for consideration on this project.

J. Bid Proposal: Bidders are required to submit their pricing and all documentation through the Bonfire Website. A copy of the Bid Bond, Appendix A, Responsible Contractor Certification Form, a Current W-9, and copies of all other requested documentation should be uploaded as separate

Contract No.________ Page 3 of 24 documents. Bidder shall indicate PennDOT Prequalification Certificate Nos., expiration dates, and ability factors as necessary.

SCHEDULE

1. Within one week of an official notice to proceed, and before the start of physical work, the contractor will submit a narrative schedule of the entire project. The contractor will update his work schedule every two weeks.

PROTECTION OF PROPERTY AND STRUCTRES

2. The Contractor shall at his own expense, sustain in their places and protect from direct or indirect injury, all utilities, pipes, conduits, poles, tracks, walls, buildings, and other structures or property in the vicinity of his work, whether above or below ground.

PERMITS

3. Contractor shall obtain and pay for any and all permits required by Federal, State or local governments or utilities. Copies of all permits must be supplied to the Director of Assets and Infrastructure before the start of any work.

4. This contract must comply with the approved Pennsylvania Department of Environmental Protection General Permit 11s that are currently under review and will be provided upon their approval.

EROSION AND SEDIMENT POLLUTION CONTROL

5. The Contractor shall complete the proposed work in a manner which insures the prevention of soil erosion and sedimentation. If, for any reason, specific soil erosion and sedimentation control devices are required during the course of this project, the Contractor shall provide the necessary facilities or measures to achieve a complete non-eroded stabilized condition.

6. If control devices are necessary, the Contractor shall also be responsible for the maintenance of these facilities. Maintenance should include inspections of all erosion and sedimentation control facilities after each storm event and on a weekly basis. Any damage to the facilities must be repaired immediately. Any lost soil material shall be recovered, if possible. Washed out lawn or slope areas must have topsoil replaced and then must be reseeded and mulched.

This item shall not be considered a separate pay item and provisions for this cost should be included in the unit prices of the appropriate Bid Items.

NOTE: The Contractor shall also be responsible for developing and submitting to the County Conservation District a separate Erosion and Sedimentation Control Plan for each spoil, borrow, or other off-site work area which might be required.

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QUANTITY CLAUSE

7. It shall be understood and agreed that quantities listed are estimates only and may increase or decrease according to the actual requirements of the County, and the County agrees to pay only for that work which is actually completed.

Where the quantity of work shown for an item in the Bid Form, including any modification thereof, is estimated, no adjustment of the Contract unit price, or of the Contract time of completion, shall be made for any differentials that are within twenty-five percent (25%) of the estimated quantity of any such item.

The Contractor shall notify the County immediately of any item quantity differentials in excess of twenty-five percent (25%) of the Contract quantity and written approval is required before performing any work. The County reserves the right to negotiate the unit price of item quantities with a differential in excess of twenty-five percent (25%). The price paid for each unit of the overrun quantity greater than twenty-five percent (25%) of the bid quantity shall be one hundred percent (100%) of the unit price shown on the Bid Form unless otherwise agreed upon in writing. The Contract shall be modified accordingly, and the Contract time of completion shall be adjusted equitably by a change order.

INCIDENTAL WORK

8. Work not specifically itemized, but required to complete the intended project, shall be considered incidental to the project.

CONTACTS

9. It is recommended that bidders visit the job site prior to submitting a bid to fully familiarize themselves with the Scope of the Work. Bidders shall assume full responsibility for all charges and costs resulting from their failure to verify conditions affecting the work. The contact regarding the specifications is Susan M. Guisinger-Colón, P.E., Senior Project Manager, TPD at 610-326-3100.

The Montgomery County Contact for this Project is Thomas O’Brien, CPG, Administrator, Roads and Bridges at 610-278-3613.

PAYMENT AND PERFORMANCE BONDS

10. In accordance with the Public Works Contractors’ Bond Law of 1967, Act of Dec. 20, 1967, P.L.

869, No. 385 any Contract for construction, reconstruction, alteration or repair of any public building or other public work in an amount exceeding Five Thousand Dollars ($5,000.00) the Contractor shall furnish to County the following bonds, which shall be binding upon the award of said Contract to such Contractor:

a) A performance bond in the amount of One Hundred Percent (100%) of the contract sum, conditioned upon the faithful performance of the Contract in accordance with the Contract Documents shall be submitted. Such bond shall be executed on the form contained in the Bid Documents and shall be solely for the protection of County.

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b) A payment bond in the amount of One Hundred Percent (100%) of the contract sum shall be submitted. Such bond shall be executed on the form contained in the Bid Documents and shall be solely for the protection of claimants supplying labor and materials to the Contractor, or to any of the Contractor’s subcontractors, in the prosecution of the work provided for in such Contract, and shall be conditioned upon the prompt delivery of such materials furnished or labor supplied or performed in the prosecution of the work.

11. A separate Maintenance bond in an amount equal to 100% of the total contract shall be furnished prior to final payment as security to remedy all defects which may develop during the period of one (1) year from the date of completion by the Contractor and final acceptance of the work performed in accordance with the contract documents.

12. Each of the above-referenced bonds shall be executed by a surety named in the current list of “Companies Holding Certificates of Authority as Acceptable Sureties on Federal Bonds and as Acceptable Reinsuring Companies,” as published in Circular 570 (as amended) by the Audit Staff, Bureau of Governmental Financial Operations, U. S. Treasury Department, and the amount of the bonds shall not exceed the underwriting risk of the surety as set forth in said circular or revision thereof. The surety shall be licensed and qualified to do business in the Commonwealth of Pennsylvania. The bonds shall be accompanied by a power of attorney evidencing the authority of the agent of the surety to execute the bonds as of the date of the bonds.

13. Failure of a Contractor to submit the required bonds within ten (10) calendar days of the date of the County’s Contract shall constitute a default by the Contractor, and the County may, at its sole discretion, award the Contract to the next lowest responsible Bidder, reserving to itself all rights for damages relating to said default, or, in the alternative, allow the Contractor additional time in which to secure the required bonds. Other forms of bonds or changes in amounts may be required in the Specifications.

AWARD

14. A contract may be awarded to the lowest responsible bidder, meeting all the requirements of the specifications on the basis of the lowest total price.

STIPULATION AGAINST LIENS

15. At the time of and immediately before the execution of the contract and before any authority has been given by the County to the successful bidder to begin work on the project or to purchase materials, it is agreed that no mechanics claims or other liens shall be filed by said contractor, nor any subcontractor, nor by any material men or workmen or any person for any materials, or labor or extra materials or labor purchased or furnished in connection with the project or any part thereof, the right to file such claims or liens being expressly waived and relinquished herewith.

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WAIVER OF LIENS

16. A Waiver of Liens in a form satisfactory to the County shall be filed in the Office of the

Prothonotary of Montgomery County at such time as may be necessary to preclude the filing of any lien by any subcontractor or material suppliers. In any event, the filing of the Waiver of Liens must occur no later than one (1) day prior to the state of operations for execution of the contract work. The filing fee is the responsibility of the contractor. Copy of Waiver of Liens Form is attached to and made a part of this specification.

INSURANCE

17. The successful bidder shall be required to carry liability insurance as described below:

A. Vendor shall maintain adequate public liability, property damage, malpractice and workers’ compensation insurances, insuring as they may appear in the interest of all parties to said contract. Certification of said insurance coverage shall be submitted to the County at the time of the execution of the contract by vendor. County shall be named as an additional insured on certificate of insurance provided. If the additional insured requirement must be endorsed then the endorsement must accompany the insurance certificate.

B. Vendor shall annually provide the County with a certificate of insurance as noted below in paragraph G, with the Contract Number or Solicitation (Specification or RFP) Number clearly noted on said certificate of insurance.

C. Each policy and Certificate of Insurance shall provide at least 30 calendar days prior written notice be given to the County in the event coverage is canceled, non-renewed, or coverages reduced.

D. If Vendor desires to self-insure any or all of the coverages listed in this section, except where prohibited by law, it shall provide to the County documentation that such self-insurance has received all the approvals required by law or regulations, as well as the most recent audited financial statement of the Vendor’s insurance. Any coverage, which is self-insured, shall provide the same coverage limits and benefits as the coverages listed in this section.

E. If Vendor fails to provide such required insurance coverage and/or adequate proof of current coverage in amounts required, the County shall have the right to treat such failure as a material breach of the contract and to exercise all appropriate rights and remedies.

F. The County reserves the right to review categories and levels of insurance coverage held by the Vendor in an ongoing program of risk management. The Vendor will be notified, in writing, of coverage requirements as determined by this review and Vendor agrees to secure such requested coverage.

G. Insurance requirements are as detailed below:

Commercial General Liability - Each policy and Certificate of Insurance shall contain an endorsement naming the County of Montgomery as an additional insured party.

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$1,000,000 Each Occurrence $2,000,000 General Aggregate $2,000,000 Products/Completed Operations Aggregate $1,000,000 Personal/Advertising Injury

(Any restrictive endorsements must be included)

Workers Compensation

PA Statutory Coverage Employers Liability - Basic Limits

Business Automobile Policy (if contract involves transportation of goods or persons) $1,000,000 Each Accident Limit

Professional Errors and Omissions Liability (if contract involves performance of a recognized professional service)

$1,000,000 Each Occurrence $1,000,000 Each Aggregate

Medical Malpractice Insurance (if contract involves performance of a member of the medical profession. Those in the medical professions must also provide evidence of participation in the MCARE in the amounts noted below)

$1,000,000.00 Each Occurrence $3,000,000.00 Each Aggregate

CONTRACTOR’S RESPONSIBILITY

18. The successful contractor shall be responsible for the removal and proper disposal of, at his expense, all refuse associated with this specification.

19. Any areas damaged by the contractor’s operations or equipment are to be restored to the satisfaction of the property owner.

PREVAILING MINIMUM WAGE

20. Successful bidder(s) shall abide by the Prevailing Wages as it applies to this project. A copy of these wage rates is attached hereto and made a part hereof.

21. SUBMISSION & QUESTIONS

Responses to this RFP must be submitted through the County’s procurement submission portal, Bonfire, at https://montcopa.bonfirehub.com/portal.

All questions must be submitted through the Bonfire portal, and answers will be posted there for public review.

https://montcopa.bonfirehub.com/portal

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TIME OF FINAL COMPLETION

22. The work which the Contractor is required to perform under this contract shall commence within fourteen (14) calendar days of NTP and be completed as indicated in the Functional Requirements, Paragraph A.

If the work is not completed within the time stipulated, including any extensions of time for excusable delays, the Contractor shall pay to the County liquidated damages as described in PennDOT Publication 408 Specifications, Section 108.07 Liquidated Damages, Paragraph (a) Construction Engineering Liquidated Damages, until the work is completed. The Contractor and his sureties shall be liable to the County for the amount thereof.

Excusable Delays: The right of the Contractor to proceed shall not be terminated nor shall the Contractor be charged with liquidated damages for any delays in the completion of the work due:

(a) To any acts of the Government, including controls or restrictions upon requisitioning of materials, equipment, tools, or labor by reason of war, National Defense, or any other national emergency;

(b) To any acts of the County;

(c) To causes not reasonably foreseeable by the parties to this Contract at the time if the execution of the Contract which are beyond the control and without the fault or negligence of the Contractor, including, but not restricted to, acts of God or of the public enemy, acts of another contractor in the performance of some other contract with the County; fires, floods, epidemics, quarantine, restrictions, strikes, freight embargoes, and weather of unusual severity such as hurricanes, tornadoes, cyclones and other extreme weather conditions; and

(d) To any delay of any subcontractor occasioned by any of the causes specified in subparagraphs (a), (b), and/or (c) of this section.

The Contractor must notify the County within ten (10) days in writing of the cause of the delay.

Upon receipt of such notification, the County shall ascertain the facts and the cause and extent of delay. If, upon the basis of the facts and the terms of this contract, the delay is properly excusable, the County shall extend the time for completing the work for a period of time commensurate with the period of excusable delay.

WARRANTY

23. All work shall be guaranteed by Contractor against defects in workmanship and materials for a period of one (1) year from the date of acceptance by the County. During this period, Contractor shall agree to promptly remedy, at Contractor’s expense, any defects which were caused, in the judgment of the County, by defective or inferior workmanship or materials.

ESCALATOR CLAUSE/PRICE ADJUSTMENT OF ASPHALT MATERIALS

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24. Price adjustments will NOT be required, in the form of a payment to the Contractor or as a rebate to the Owner, for fluctuations in the cost of asphalt cement used in the asphalt materials placed as part of the construction work in this project. Montgomery County has chosen not to adopt the requirements of the Escalator Clause / Price Adjustment of Asphalt Materials and is therefore not financially responsible for any Price Adjustment of Asphalt Materials in accordance with Section 110.04 of PennDOT Specifications - Publication 408.

STANDARD PROVISIONS

For each of the following, the Construction Specification shall be the referenced Section identified in PennDOT Publication 408-Specifications, Latest Edition:

Item 0201-0001 – Clearing and Grubbing (Bridge 51) - In accordance with Section 201

Item 0201-0002 – Clearing and Grubbing (Bridge 113) - In accordance with Section 201

Item 0201-0003 – Clearing and Grubbing (Bridge 228) - In accordance with Section 201

Item 0201-0004 – Clearing and Grubbing (Bridge 259) - In accordance with Section 201

Item 0413-0245 Superpave Asphalt Mixture Design, Wearing Course, PG 64S-22, 0.3 to < 3 Million ESALS,

9.5 MM MIX, 1 1/2" Depth, SRL-H (Bridges 51, 114, 221,259) - In accordance with Section 413

Item 0413-1021 Superpave Asphalt Mixture Design, Wearing Course (Scratch), PG 64S-22, 0.3 to < 3 Million ESALS, 9.5 MM MIX, 1 1/2" Depth, SRL-H (Bridges 51, 114) - In accordance with Section 413

Item 0491-0012 – Milling of Asphalt Pavement Surface, 1½” Depth, Milled Material Retained by Contractor (Bridges 137, 259) - In accordance with Section 491

Item 0608-0001 – Mobilization (Bridge 51) - In accordance with Section 608

Item 0608-0002 – Mobilization (Bridge 55) - In accordance with Section 608

Item 0608-0003 – Mobilization (Bridge 113) - In accordance with Section 608

Item 0608-0004 – Mobilization (Bridge 114) - In accordance with Section 608

Item 0608-0005 – Mobilization (Bridge 137) - In accordance with Section 608

Item 0608-0006 – Mobilization (Bridge 149) - In accordance with Section 608

Item 0608-0007 – Mobilization (Bridge 221) - In accordance with Section 608

Item 0608-0008 – Mobilization (Bridge 228) - In accordance with Section 608

Item 0608-0009 – Mobilization (Bridge 259) - In accordance with Section 608

Item 0676-0001 – Cement Concrete Sidewalk (Bridges 55, 114) – In accordance with Section 676

Item 0802-0001 – Topsoil Furnished and Placed - In accordance with Section 802

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Item 0804-0036 – Seeding and Soil Supplements – Formula B Residential Mix - In accordance with Section

Item 0804-0038 – Seeding – Formula L Clear Zone Mix - In accordance with Section 804

Item 0806-0113 – Temporary Short-Term, Rolled Erosion Control Product Type 2D - In accordance with Section 806

Item 0849-0010 – Rock Construction Entrance - In accordance with Section 849

Item 0855-0003 – Pumped Water Filter Bag - In accordance with Section 855

Item 0855-0004 – Replacement Pumped Water Filter Bag - In accordance with Section 855

Item 0860-0002 – Inlet Filter Bag for Type C Inlet - In accordance with Section 860

Item 0867-0012 – Compost Filter Sock, 12” Diameter - In accordance with Section 867

Item 1019-0050 – Protective Coating for Reinforced Concrete Surfaces (Penetrating Sealers, Bridge Superstructure) (Bridges 51, 55, 137, 149, 221) – In accordance with Section 1019

Item 1040-0020 – Concrete Bridge Deck Repair, Type 2 (Bridges 55, 113, 149, 221) - In accordance with Section 1040 and Publication 219M, BC-783M

Item 1041-0020 – Scarification, ½” Depth (Bridges 51, 114, 137) - In accordance with Section 1041

Item 1047-0010 – Polyester Polymer Overlay, 1” Depth (Bridges 51, 114) - In accordance with Section 1047

Item 1047-0014 – Polyester Polymer Overlay, 2” Depth (Bridge 137) - In accordance with Section 1047

Item 1090-1018 – Prestressed Concrete Beam Repairs (Bridges 51, 113, 137, 228) – In accordance with Section 1090 and Publication 219M, BC-783M

Item 1091-0331 – Epoxy Injection Crack Seal (Bridges 51, 55, 114, 137, 149, 221) - In accordance with Section 1091

SPECIAL PROVISIONS

Item 0901-0001 – Maintenance and Protection of Traffic (Bridges 51)

Item 0901-0002 – Maintenance and Protection of Traffic (Bridge 55)

Item 0901-0003 – Maintenance and Protection of Traffic (Bridge 113)

Item 0901-0004 – Maintenance and Protection of Traffic (Bridge 114)

Item 0901-0005 – Maintenance and Protection of Traffic (Bridge 137)

Item 0901-0006 – Maintenance and Protection of Traffic (Bridge 149)

Item 0901-0007 – Maintenance and Protection of Traffic (Bridge 221)

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Item 0901-0008 – Maintenance and Protection of Traffic (Bridge 228)

Item 0901-0009 – Maintenance and Protection of Traffic (Bridge 259)

DESCRIPTION AND MATERIALS – In accordance with Section 901 and as follows:

• Provide written notification to the Montgomery County Roads & Bridges Department, the Inspector-in-Charge, and all affected parties, including municipalities, property owners, local emergency services (police, fire, and medical), businesses, and school districts, at least fifteen (15) days prior to the start of construction activities. Record of notifications must be provided to the Inspector-In-Charge.

• Designate an individual (or individuals) as Traffic Control Supervisor(s) responsible for the maintenance and protection of traffic items. Furnish the name(s) of the Traffic Control Supervisor(s), address, and telephone number where the supervisor can be reached at all times.

Have the supervisor available to respond to complaints relating to deficiencies concerning maintenance and protection of traffic within 20 minutes of notification. The supervisor is responsible for providing additional personnel required to correct maintenance and protection of traffic deficiencies. Additionally, the supervisor is responsible for assisting in traffic control as a result of accidents on the project that back traffic up beyond the limits of work. Additional personnel are required to respond within 20 minutes of notification. Prior to any traffic restrictions, make available and review with the State and Local Police and other interested emergency management agencies, the proposed emergency implementation plan including name(s), address(es), and telephone number(s) of the Traffic Control Supervisor(s).

• Install and maintain the traffic control signing and devices as indicated on the Traffic Control Plan or, if there is no plan, install according to the appropriate PATA figure in PennDOT Publication 213.

• To the maximum extent possible, maintain a safe pedestrian route across the bridge at each location.

• Use Type III or better retroreflective sheeting on all long-term signs and Type III barricade rails, unless otherwise noted. Use fluorescent orange retroreflective sheeting for the color orange on all long-term signs 16 square feet or less in area.

• Do not stop, stand, or park construction equipment or stockpile material during non-working hours on any traffic lane or shoulder. Park equipment only on areas acceptable to the Project Manager.

• Do not allow employees to park their personal vehicles on any traveled roadway, shoulder, median, or seeded area along the roadway.

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• Use flaggers for any temporary, intermittent interruptions to traffic.

• Allow no construction equipment to operate on any traffic lane or shoulder outside a suitable protected work area, except in the designated direction of travel for the respective lane or shoulder.

• Assure that warning vests, shirts, or jackets (safety yellow) meeting ANSI Class 2 requirements are worn by all employees engaged in daylight work operations on or immediately adjacent to the traveled portion of the highway, on medians, berms, gore areas, and material stocking areas, when flagging, and where worker sight recognition is desirable. When working at night, provide that the warning vests meet ANSI Class 3 requirements.

• When erecting or resetting temporary concrete barrier, work in the direction of traffic flow. When removing temporary concrete barrier, work in the direction opposite to traffic flow. If a blunt end is exposed to oncoming traffic during non-working hours, protect it using an appropriate impact attenuator at no expense to the Department.

MEASUREMENT AND PAYMENT – Lump Sum.

ITEM 4205-0268 – SELECTED BORROW EXCAVATION ROCK, R-8 CHOKED WITH R-4, MODIFIED (BRIDGES 51, 113, 228, 259)

According to Section 205 and as follows:

DESCRIPTION – According to section 205.1(c) Selected Borrow Excavation and add the following:

Place Rock, Class R-8 choked with Rock, Class R-4 for construction of scour protection as indicated. Obtaining material for use in specific items of work in accordance with Section 850.2 for the size and gradation specified, except that petrographic examination by MTD is not required.

MATERIAL – According to Section 205.2 and add the following:

Rock, Class R-8 – Section 850.2(a)

Rock, Class R-4- Section 850.2(a)

CONSTRUCTION – According to Section 205.3 (c) and add the following:

Backfill as indicated or as directed with Rock, Class R-8. Choke the surface voids of the R-8 rock to a uniform, finished grade elevation, and to the satisfaction of the Representative.

Place Geotextile and Rock as indicated on the Contract Drawings.

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MEASUREMENT AND PAYMENT – According to Section 205.4(c) and add the following:

Includes furnishing and placement of all Rock, Class R-8 and Rock, Class R-4.

ITEM 4665-0001 – STONE MASONRY REPOINTING, TYPE A, MODIFIED (BRIDGE 114)

DESCRIPTION – This work is cleaning and repointing of existing stone masonry. The finished color of pointing is to be consistent throughout and match that of the existing structure.

MATERIAL – According to Sections 701, 703, 720 and the following:

• Mortar - Section 705.6 (b)

CONSTRUCTION – In accordance with Section 665.3(a) and as follows:

1. Remove deteriorated mortar from existing masonry as directed by the Representative using hand tools. Thoroughly clean exposed masonry joints of loose mortar and dirt to a depth not less than twice the joint width.

2. Prior to repointing the stone masonry, a small test area shall be completed to match the color of the existing structure and shall be approved by the County Representative.

3. Joints only with loose, missing, or deteriorated mortar are to be repointed as directed by the County Representative.

4. Do not perform work when temperature is below 35 degrees Fahrenheit.

5. Thoroughly saturate the joints with clean water, fill with mortar and ram well in place. Finish with a pointing tool. Do not point in freezing weather. Remove and replace work damaged by frost.

6. Brush off all mortar droppings or smears on the exposed faces of stone immediately after the stone is set.

MEASUREMENT AND PAYMENT – Linear Foot.

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ITEM 5040-0001 – CONCRETE BRIDGE DECK REPAIR, TYPE 1 WITH PPC OVERLAY (BRIDGES 51, 114, 137)

DESCRIPTION – According to Section 1040.1 except replace “latex” with “polyester polymer concrete

(PPC)”.

MATERIAL – According to Section 1040.2 and add the following:

Polyester Polymer Concrete – Section 1047.2 as a patching material.

CONSTRUCTION – According to Section 1040.3 and revise as follows:

1. Replace all occurrences of “latex” with “polyester polymer concrete (PPC)”

2. Replace reference to Section 1042.3 with reference to Section 1047.3.

MEASUREMENT AND PAYMENT – According to Section 1040.4.

ITEM 5040-0020 – CONCRETE BRIDGE DECK REAPIR, TYPE 2 WITH PPC OVERLAY (BRIDGES 51, 137)

DESCRIPTION – According to Section 1040.1.

MATERIAL – According to Section 1040.2 and add the following:

Polyester Polymer Concrete – Section 1047.2 as a patching material.

CONSTRUCTION – According to Section 1040.3 and revise as follows:

1. Replace all occurrences of “latex” with “polyester polymer concrete (PPC)”.

2. Replace reference to Section 1042.3 with reference to Section 1047.3.

3. Revise the first sentence of Section 1040.3(f)2 to read: Patch Type 2 bridge deck areas with modified Class AAAP cement concrete, LMC, PPC, or ASC if indicated or directed.

4. Revise the fourth sentence of Section 1040.3(f)4.c to read: Patch repair areas with modified Class

AAAP cement concrete, LMC, PPC, or ASC if indicated or directed.

MEASUREMENT AND PAYMENT – According to Section 1040.4.

ITEM 9000-0005 – CONCRETE REPAIR, TYPE 1 (BRIDGE 51)

ITEM 9000-0020 – CONCRETE REPAIR, TYPE 1 (BRIDGE 114)

ITEM 9000-0030 – CONCRETE REPAIR, TYPE 1 (BRIDGE 137)

DESCRIPTION – This work is repairing deteriorated concrete portions of the structure with cement concrete as indicated and as directed. For additional details see PennDOT Standard Drawing BC-783M.

MATERIAL – As follows:

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• Rapid Hardening Concrete Patching Material – As per Bulletin 15 under MISC Polymer Modified and Special Cements, Mortars and Concretes. Use within the shelf life and temperature limitations set by the manufacturer.

CONSTRUCTION – According to Section 1001.3, BC-783M, and as follows:

1. All delineated areas to be repaired as shown on the contract drawings will be field verified by the Contractor and the Representative.

2. Do not excavate to perform repairs on the abutments and wing walls near grade. Take repairs to grade and terminate.

3. Outline the repair areas, with a ¾” deep saw cut prior to removing any deteriorated concrete.

Remove deteriorated concrete within the boundaries to sound concrete. Where deterioration depth exceeds ¾”, Type 2 repairs are required.

4. It is the responsibility of the contractor to restore any damaged areas of the bridge to the original condition at no additional cost to the County.

5. After removal of concrete, sandblast the concrete surface within the patch limits to remove partially loosened chips. Prepare surface in accordance with rapid hardening concrete material manufacturer's instructions.

6. Apply rapid hardening concrete material in accordance with manufacturer’s instructions.

MEASUREMENT AND PAYMENT– Square Foot.

ITEM 9000-0001 – CONCRETE REPAIR, TYPE 2 (BRIDGE 51)

ITEM 9000-0011 – CONCRETE REPAIR, TYPE 2 (BRIDGE 113)

ITEM 9000-0021 – CONCRETE REPAIR, TYPE 2 (BRIDGE 114)

ITEM 9000-0031 – CONCRETE REPAIR, TYPE 2 (BRIDGE 137)

ITEM 9000-0041 – CONCRETE REPAIR, TYPE 2 (BRIDGE 149)

DESCRIPTION – This work is repairing deteriorated concrete portions of the structure with cement concrete. For additional details see PennDOT Standard Drawing BC-783M.

MATERIAL – As follows:

• Class AA Cement Concrete – Section 704, except use No. 8 Coarse Aggregate

• Reinforcement Bars – Section 709.1, epoxy coated

• Steel Welded Wire Fabric – Section 709.3. epoxy coated or galvanized in accordance with

Section 1105.02

• Epoxy Bonding Compound – ASTM C-881, Type II, Grade 2.

• Epoxy Paint – As per Bulletin 15.

• Non-shrink Mortar– Section 1001.2(e)

• Dowel Holes – Section 1003

• Temporary Forms - Section 1001.2(h)

Contract No.________ Page 16 of 24

• Closed Cell Neoprene Sponge – Section 1107.02(p)1

CONSTRUCTION – According to Section 1001.3, BC-783M, and as follows:

1. All delineated areas to be repaired as shown on the contract drawings will be field verified by the Contractor and the Representative.

2. Do not excavate to perform repairs on the abutments and wing walls near grade. Take repairs to grade and terminate.

3. Outline the repair areas, with a ¾” deep minimum saw cut prior to removing any deteriorated concrete. Sawcut depth is not to exceed 1”. Back bevel edge beyond sawcut. Use hand tools to remove deteriorated concrete within the boundaries to sound concrete. Pneumatic hammers with impact ratings of 30 ft/lb or less may be used if required. If the deteriorated concrete depth extends to or beyond the primary reinforcement, remove the concrete to at least ¾” behind the reinforcement.

4. It is the responsibility of the contractor to restore any damaged areas of the bridge to the original condition at no additional cost to the County.

5. Use hand tools such as hammers and chisels, or small air chisels, to remove fine particles of unsound concrete or to provide the necessary clearances around existing reinforcement bars.

6. After removal of concrete, sandblast the concrete surface within the repair limits to remove partially loosened chips.

7. For repair areas with a least dimension exceeding 2 feet, provide 1” diameter x 9” deep dowel holes with ½” diameter dowels spaced at 12” in each direction and staggered by 6”. The dowels shall include a 2” long hook bent at 90 degrees. The dowels shall be installed to provide 1” minimum to 2” maximum clear distance to the surface of the patch. The dowels shall be sloped at 5H to 1V when used on a vertical or overhead surface. Use a pachometer to locate existing reinforcement when drilling dowel holes. Epoxy coated tie wire shall be used to tie 2x2 W4xW4 welded wire mesh to the ends of the dowel bars. The welded mesh shall extend across the full area of the repair in both directions and shall bend back into the patch for 1” minimum. Refer to Standard Drawing BC-783M, Sheet 3 for additional details and direction. Do not use a concrete blister when performing repairs to bridge barriers.

8. At Bridge 137, there are several pier beam seat concrete spalls at which the above neoprene sponge material may be damaged. Replace any torn, missing, or distorted portions of neoprene sponge material at these locations with ½” thick closed cell neoprene sponge.

9. Immediately prior to placing new concrete, apply epoxy bonding compound according to the manufacturer’s instructions to the area of existing concrete that will be in contact with the new Class AA cement concrete. Place concrete against the epoxy while it is still sufficiently tacky to provide a proper bond. Re-coat epoxy that is no longer tacky. Wire-brush epoxy that has hardened before re-coating.

10. Cure concrete in accordance with Section 1001.3. Membrane curing is not permitted.

MEASUREMENT AND PAYMENT – Square Foot.

Contract No.________ Page 17 of 24

Includes the removal and replacement of damaged or heavily corroded reinforcement bars. Includes placement of all repair materials.

ITEM 9000-0002 – CONCRETE SURFACE CLEANING (BRIDGE 51)

ITEM 9000-0022 – CONCRETE SURFACE CLEANING (BRIDGE 114)

DESCRIPTION – This work is cleaning all exposed bridge concrete surfaces with visible dirt, debris, oil, grease, vegetation, efflorescence, graffiti or other foreign material.

• Water – According to Section 720.1.

• Mild biodegradable detergent – as approved by the Representative.

• Detergent or similar product(s) designed for removal of acrylic or enamel paints, inks, and lacquers. The product(s) must not include petroleum distillates, phosphates, or chlorides. Do not use products which damage concrete. Submit the material to be used for graffiti removal to the Representative for approval. Also, provide a narrative stating the method and sequence of operation to be used for graffiti removal to the Representative for approval.

Contract No.________ Page 18 of 24

CONSTRUCTION – As follows:

1. Use pressurized water for cleaning concrete of dirt, debris, oil, grease, vegetation, efflorescence or other foreign materials. Do not exceed a water pressure of 800 psi. Exercise care so concrete surfaces are not damaged or scored. Thoroughly rinse clean all affected areas with potable water. Prior to commencement of the pressure washing operation, test pressure settings on an inconspicuous area of concrete to determine the actual pressure required to remove foreign material without damage. Submit the required pressure to the Representative for acceptance.

In case pressure washing does not remove the foreign materials, scrub concrete with a solution of potable water and an approved detergent. Follow detergent manufacturer’s application procedures. Thoroughly rinse clean with potable water all affected areas. Use a scrub brush containing natural or synthetic bristles.

2. Remove graffiti with accepted detergent or similar product(s) in accordance with accepted method and sequence of operation. Prior to commencement of graffiti removal operations, test the approved removal product(s) and procedures on an inconspicuous 2-foot by 2-foot area of concrete. Take high resolution digital color photographs of the test area before and after product application. After the product dwell time has passed, completely rinse the test area with clean water per the manufacturer’s recommendations and allow to dry. Examine the test area and confirm no shadows, lines or remnants of graffiti or paint remain. The test area concrete must not be abraded, degraded, or otherwise damaged or appreciably changed. If the results are acceptable, remove the remainder of graffiti using the same product(s) and procedures used on the test area. Additional products or test areas may be ordered by the County.

3. Be responsible for completing the task in accordance with applicable environmental and safety regulations. Provide a tarp and wash water collection system below all cleaning operations to prevent wash water from entering the creek or ground below. Submit details of proposed methods of containment and disposal of wash water to the Representative for approval prior to beginning work.

4. Do not perform this work when the temperature is below 35 degrees Fahrenheit.

Includes the collection of debris, water and waste product and detergent byproducts, erosion control measures, and proper disposal of waste.

ITEM 9000-0023 – STONE MASONRY REPAIRS (BRIDGE 114)

DESCRIPTION – This work is replacing the missing stones on the outside faces of the bridge barriers. There is one missing stone on each barrier fascia. The finished color of pointing is to be consistent throughout and match that of the existing structure. Coordinate pointing with item 4665-0001.

Contract No.________ Page 19 of 24

• Cement – According to Section 701

• Fine Aggregate - Type A, according to Section 703.1

• Water – According to Section 720.1

• Burlap – According to Section 711.1 (d)

Contract No.________ Page 20 of 24

1. Acquire similar stone to the existing structure and cut it to appropriate size to fill the voids.

Submit samples of the new stone to the representative for approval a minimum of two weeks prior to beginning the work.

2. Prepare the void in accordance with 1017.3. Use the cut stone to fill the void and mortar into place.

3. Finish the surface flush with the adjacent face of the structure.

ITEM 9000-0032 – REPLACE PREMOLDED JOINT FILLER (BRIDGE 137)

DESCRIPTION – This work is the replacement of existing premolded expansion joint material between the Span 1 and Span 2 bridge decks. This work includes the removal of the existing joint material, cleaning of the joint, furnishing and installation of new joint filler material, sealing the joint and the proper disposal of old joint filler materials.

• Premolded Expansion Joint Filler – According to Section 705.1

• Joint Sealing material – According to Section 705.4(a) or (b)

• Joint Backing Material – According to Section 705.9

1. Completely remove any loose dirt, debris, all existing joint material, caulking and other foreign material in a manner that provides a clean, newly exposed concrete surface. Use a stiff wire brush and abrasive blast to clean to a minim depth of 1½”.

2. Air-blast the joint with oil-free compressed air to protect against any contaminant detrimental to the bond of the joint and caulking material. For air-blasting use a compressed air stream of at least 100 pounds per square inch measured at the source. Do not seal the joint until the new polyester polymer concrete overlay has cured.

3. Immediately before sealing the joint, install the backer rod to a depth of 1” below the front face of the joint.

4. Insall the expansion joint material and seal the joint. Do not place the sealant unless the joint is dry and the ambient temperature is 40 degrees Fahrenheit or greater.

MEASUREMENT AND PAYMENT – Linear Foot.

Contract No.________ Page 21 of 24

ITEM 9000-0003 – GROUT POCKET REPAIR (BRIDGE 51)

ITEM 9000-0010 – GROUT POCKET REPAIR (BRIDGE 113)

DESCRIPTION – This work is replacing delaminated, spalled or missing grout within the tie rod pockets of a composite adjacent box beam structure as designated on the plans. The work includes the removal of any loose existing grout within the existing tie rod pocket, the application of an epoxy bonding agent and the placement of non-shrink grout within the pocket.

• Non-Shrink Non-Staining Grout – According to Section 1080.2(c)

• Polymer Modified Cement Mortar – According to Section 1080.2(e)

• Latex Modified Mortar – According to Section 1042.2

• Epoxy Bonding Compound (Type II Grade 2) – According to Section 706.1

CONSTRUCTION – As follows:

1. If there is grout remaining in the tie rod pocket, strike the grout using a handheld 24 oz. brick hammer to remove any loose or delaminated grout. Use a brush to remove any loose chips, dust, dirt or other debris from the tie rod pocket.

2. Before applying the Epoxy Bonding Compound, make sure the surfaces in the tie rod pocket are free of loose chips, dust, dirt or other debris. Remove any debris using a wire brush or other means.

3. Follow manufacturer’s instructions when applying the Epoxy Bonding Compound and the grout or mortar.

4. Use approved products from PennDOT Bulletin 15.

MEASUREMENT AND PAYMENT – Each.

ITEM 9000-0050 – TEMPORARY CAUSEWAY (BRIDGE 51)

DESCRIPTION - This work is constructing, maintaining, and removing a causeway in the specified body of water in accordance with permit requirements as indicated for repairs to the bridge.

MATERIAL – As follows:

• Rock Class R-8 and R-4 meeting the requirements of Section 850.2(a).

• No. 57 Coarse Aggregate meeting the requirements of Section 703.2.

• Geotextiles, Class 4, Type C meeting the requirement of Section 735.

1. Installation and removal— Place rock as indicated in the Erosion and Sediment Pollution Control Plan to construct causeway. Do not drop rock from heights greater than three (3) feet. Correct

Contract No.________ Page 22 of 24 imperfections in the water body as necessary by constructing a variable depth pipe bedding utilizing No. 57 Coarse Aggregate. Choke surface with a 6 inch of No. 57 Coarse Aggregate.

Remove and reuse or properly dispose of all causeway materials offsite at no additional cost to the County.

2. Restrictions— Provide a causeway that complies with Chapter 105 Rules and Regulations of the Pennsylvania Department of Environmental Protection. Use clean quarry rock for the construction of the causeway. Do not line haul truck beds with dirt or stones. Line haul truck beds with wood or another material as approved by the Representative. Construct and remove causeway in accordance with the seasonal and time restrictions as specified in the Erosion and Sediment Pollution Control Plan.

3. Maintenance— After installation, satisfactorily maintain the causeway by adding material whenever required at no additional cost to the County. Perform work resulting from emergency action at no additional cost to the County.

MEASUREMENT AND PAYMENT - Lump Sum.

ITEM 9000-0051 – TEMPORARY CAUSEWAY (BRIDGE 137)

DESCRIPTION - This work is constructing, maintaining, and removing a causeway in the specified body of water in accordance with permit requirements as indicated for repairs to the bridge.

MATERIAL – As follows:

• Rock Class R-4 meeting the requirements of Section 850.2(a).

• No. 57 Coarse Aggregate meeting the requirements of Section 703.2.

• Geotextiles, Class 4, Type C meeting the requirement of Section 735.

1. Installation and removal— Place rock as indicated in the Erosion and Sediment Pollution Control Plan to construct causeway. Do not drop rock from heights greater than three (3) feet. Correct imperfections in the water body as necessary by constructing a variable depth pipe bedding utilizing No. 57 Coarse Aggregate. Choke surface with a 6 inch of No. 57 Coarse Aggregate.

Remove and reuse or properly dispose of all causeway materials offsite at no additional cost to the County.

2. Restrictions— Provide a causeway that complies with Chapter 105 Rules and Regulations of the Pennsylvania Department of Environmental Protection. Use clean quarry rock for the construction of the causeway. Do not line haul truck beds with dirt or stones. Line haul truck beds with wood or another material as approved by the Representative. Construct and remove causeway in accordance with the seasonal and time restrictions as specified in the Erosion and Sediment Pollution Control Plan.

3. Maintenance— After installation, satisfactorily maintain the causeway by adding material whenever required at no additional cost to the County. Perform work resulting from emergency action at no additional cost to the County.

Contract No.________ Page 23 of 24

MEASUREMENT AND PAYMENT - Lump Sum.

ITEM 9000-0052 – TEMPORARY COFFERDAM (BRIDGES 113, 228 & 259)

DESCRIPTION - This work is the furnishing, installation, maintenance, and removal of a temporary sandbag or concrete barrier cofferdam required to temporarily convey flow around the active work zones and provide a dry working area for in-stream channel work as indicated.

MATERIAL – As follows:

• Sandbags – Polypropylene or acrylic material and Type B fine aggregate or other suitable material approved by the Engineer. Fill the bags uniformly about three-fourths full and tie the choke cords. Tuck in the bottom corners of the bags after filling.

• Temporary Concrete Barrier – According to…