30-Sec 01 22 00 - MEASUREMENT AND PAYMENT.pdf

MEASUREMENT AND PAYMENT

01 22 00-1

SECTION 01 22 00

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Measurement and payment criteria applicable to the Work performed under a unit price payment method.

1.02 PROCEDURE

A. All measurements for payment will be based on completed work, performed in strict accordance with the Drawings and Project Manual, and with the Agreement’s “Schedule of Bid Items”.

B. The Resident Project Representative shall take all measurements and compute quantities relative to all work completed under the Agreement in accordance with the methods included in this section. Contractor shall assist by providing necessary equipment and personnel as required.

C. In cases where the payment clause for an item in this section relating to any unit or lump sum price requires that the said unit or lump sum price cover and be considered compensation for certain work or material essential to the item, this same work or material shall not be measured or paid for under any other item which may appear elsewhere in this section.

D. NOTE: ALL CONCRETE MUST BE PLACED FOLLOWING THE RESTRICTIONS OF

PENNDOT PUBLICATION 408, SECTION 501.3(b) FOR COLD WEATHER PLACEMENT.

NO CONCRETE IS ALLOWED TO BE PLACED BEYOND THE THRESHOLDS DEFINED IN

THAT SECTION AND AS FURTHER DEFINED IN SECTION 03 30 00 OF THE CONTRACT

DOCUMENTS.

PART 2 - PRODUCTS

Not Used.

PART 3 - EXECUTION

3.01 DESIGN/BUILD CURB RAMPS – ALL INTERSECTIONS

A. MEASUREMENT

Measurement for this item shall be for EACH curb ramp designed and constructed in the field. ADA/PennDOT Compliant Curb Ramps shall be designed to meet Americans with Disabilities Act and PennDOT RC-67 requirements. Curb Ramps should be constructed of 4” PennDOT 2A stone placed over prepared subgrade, 4” of 3,000 PSI Class A, air-entrained concrete cement sidewalk, plain cement concrete vertical/depressed curb and ADA/PennDOT compliant truncated domes.

B. PAYMENT

Payment for Design/Build Curb Ramps shall be made for each curb ramp at the price as listed in the Bid Schedule. This price shall constitute full compensation for providing and furnishing of the design, construction and construction observation & testing of ADA/PennDOT Compliant Curb Ramps.

FIELD-DESIGN REQUIREMENTS:

The Contractor shall comply with PennDOT Publication 408 and RC-67 Standards and all applicable ADA Standards (2010 or later) within the existing public rights-of-way. The design

01 22 00-2 shall also include the completion of post construction CS-4401 forms and As-Built Plans signed & sealed by a Professional Engineer, licensed in the State of Pennsylvania, for each ramp. The Borough is not responsible for the design and/or ADA compliance of the ramps.

Contractor shall engage a third-party testing agency for material testing and construction observation. Concrete testing should be conducted per PennDOT publication 408, section 704 standards and be conducted for every 10 cubic yards of concrete put in place. In addition, the Contractor shall be responsible for providing construction layout for the construction of the designed curb ramps.

Photographs should be submitted at the following stages: pre-construction, upon installation of formwork prior to placing any concrete and at the completion of construction following final clean up. An 18-month maintenance period shall be required where the Borough has the ability to require replacement of any ramps due to ponding or drainage issues.

CONSTRUCTION REQUIREMENTS:

The construction of the curb ramps shall include all labor, material, equipment necessary and construction observation and material testing for the installation of PennDOT/ADA compliant curb ramps as designed per the above requirements. All materials and methods for construction shall be in accordance with Technical Specifications provided in the Contract Documents and in accordance with all local, state and federal standards. The Contractor shall be responsible for the removal of existing sidewalks and curb ramps necessary to accommodate the construction of the compliant curb ramps; this includes any sawcutting of existing pavement and/or concrete. The Contractor shall place and compact the stone base for all curb ramps. Contractor shall complete fine grading of stone as needed to achieve specified location/elevation. The Contractor shall install ADA/PennDOT compliant curb ramps, in accordance with the approved Design Drawings and the latest editions of PennDOT Publication 408, Section 676; PennDOT Publication 72, RC-67; and Borough Standards. The Contractor is also to replace any sidewalk and curb which must be removed to facilitate the construction of compliant curb ramps, including any concrete located at existing corner walkways and non-compliant curb ramps. Where sidewalk does not exist, the Contractor shall install new sidewalk to provide connections to the curb ramps and closest existing sidewalk. The Contractor will remove all forms and finish all concrete surfaces.

Restoration of existing features, including grading and seeding adjacent to concrete removal and replacement is to be included in this item; all areas of cut and fill shall be graded so they are no steeper than 3:1. Any work that does not comply with applicable criteria shall be replaced at the Contractor’s expense. A PennDOT approved Class A concrete mix design shall be used. Where any conflicts occur, the requirements of PennDOT Publication 72, RC- 64 and 67 shall govern. New curb lines should be sealed using PG 64S-22 in accordance with the latest edition of PennDOT Publication 408. Construction Materials must meet all of PennDOT Bulletin 14, 15, 41 and 42 standards.

It is the responsibility of the Contractor to coordinate with the appropriate utility company to perform any necessary vertical adjustments to utility valves; this work is incidental to the installation of the curb ramps and sidewalk. Sign Relocation of existing stop signs and street signs is incidental to curb ramp and sidewalk installation. It is the responsibility of the Contractor to provide hand digging near all electrical vaults, junction boxes, light poles, etc. to determine the exact location of underground wires; this work is incidental to the installation of the curb ramps and sidewalk.

Contractor is to preserve existing brick sidewalk. Any brick sidewalk which must be removed for construction of compliant curb ramps shall be reinstalled to extent possible. Where replacement brick is required, specifications regarding the color and style of new brick shall be provided to the Borough for review. Any work that does not comply with applicable criteria will be at the Contractor's expense.

Contractor shall apply Aquron 2000 Cure and Seal immediately upon the removal of the

01 22 00-3 formwork. Contractor is responsible for verifying that final grades, slopes, and dimensions are in compliance with the above publications. Work shall be in accordance with the latest editions of PennDOT Publication 408, Section 676, PennDOT Publication 72, RC-67, and Borough Standards. Any work that does not comply with applicable criteria shall be replaced at the Contractor’s expense. A PennDOT approved Class A concrete mix design shall be used. Where any conflicts occur, the requirements of PennDOT Publication 72, RC-67 shall govern.

Not all curb ramps may be designated as Technically Infeasible (TIF), and the Contractor shall make reasonable efforts to construct compliant curb ramps wherever feasible. Any determination of TIF ramps shall be made by the Engineer and is subject to approval by the Owner. The Owner reserves the right to reject unsupported or excessive use of TIF ramps determinations, and any rejected curb ramps shall be replaced with compliant installations at no additional cost to the Owner.

4.01 INCIDENTAL ITEMS:

4.01.1 MOBILIZATION

There will be no separate payment for Mobilization as Mobilization is incidental to all other Work. Mobilization includes mobilization, demobilization, assembly, set-up, general operation, removal of any Contractor's offices/trailer, shops, plants, storage areas, and sanitary or other facilities, furnishing adequate material and equipment, obtaining permits, insurance, bonds, any other initial items required for the start of the work, coordination with utilities, any items required for payment requests and processing, and any other items required for the closeout of the project.

4.01.2 MAINTENANCE AND PROTECTION OF TRAFFIC

There will be no separate payment for Maintenance and Protection of Traffic as Maintenance and Protection of Traffic is incidental to all other Work. Maintenance and protection of traffic includes all labor, material, and equipment necessary for installation, maintenance, and relocation of traffic control devices and flagging to complete all work. This may include the flaggers, erection, placement, and maintenance in good condition of barricades, warning signs, lights, flares, approved yellow-flashing light units, rubber traffic cones, and other warning and danger signals and devices, appropriate and adequate for the specific needs at the project site. This applies to pedestrian and vehicular traffic. All work shall be completed in accordance with Section 01 55 26 and as directed.

4.01.3 ROADWAY RESTORATION

There will be no separate line item for Roadway Restoration. Roadway Restoration shall be completed in accordance with Section 32 12 23 of the Bid Documents. Roadway Restoration must occur as soon as possible but no later than 7 days of the last concrete pour. The existing pavement is to be removed with a neat, straight saw cut with square edges and is not to extend more than one (1) foot’ from the face of the new concrete curb into the existing roadway. The roadway must be restored with the placement of Class A Concrete and 1.5” of Superpave Wearing Course, PG 64-22, 9.5MM Mix. Restoration using stone, base course, and binder course is not permitted due to settlement concerns. Contractor shall place PG 64-22 along curb lines and at all pavement restoration tie-ins. If road is cut more than 1’ away from the concrete curb, infrared patching will be required. Payment for Roadway Restoration will not be made as Roadway Restoration will be made incidental to all other Work as specified above.

4.01.4 LAWN RESTORATION

There will be no separate line item for Lawn Restoration. Lawn Restoration, backfill and

01 22 00-4 clean-up must be completed as soon as possible but no later than seven (7) working days of the last concrete pour. Lawn Restoration includes a minimum of 4” of topsoil followed by seeding and mulching. All areas of cut and fill shall be graded so they are no steeper than 3:1. Payment for Lawn Restoration will not be made as Lawn Restoration will be made incidental to all other Work as specified above.

4.01.5 SIGN RELOCATION

There will be no separate line item for Sign Relocation. Sign Relocation includes adjusting the location of existing Stop signs as needed to be 4 feet away from the edge of the ramp per current PennDOT Publication 72 RC-67 Curb Ramp Standards. The relocation of existing street signs as needed is also incidental. Payment for Sign Relocation will not be made as Sign Relocation will be made incidental to all other Work as specified above.

4.01.6 AUDIO-VIDEOTAPING

There will be no separate line item for audio-videotaping as audio-videotaping is incidental to all other Work. Contractor shall utilize a professional electrographer, actively engaged in preparation of color DVD or CD recordings for municipal construction projects, to establish video documentation of the existing condition of the roadways and curbing prior to the start of construction in accordance with Section 01 32 36 of the project manual. Electrographer shall take special care to note any existing drainage issues and other areas of concern that cannot be remediated solely by the replacement of the curb ramps. Final payment will not be made until the Contractor furnishes the Borough with two (2) copies of the CD or DVD video documentation for their records.

4.01.7 CONCRETE WASHOUTS

There will be no separate line item for Concrete Washouts as Concrete Washouts are incidental to all other Work. Borough owned property may be used as the site of Concrete Washouts. They shall be installed, used, and maintained in accordance with the standards of the Pennsylvania Department of Environmental Protection, Pennsylvania Erosion and Sediment Control Manual and Bucks County Conservation District. Proper removal and restoration of the area used for the concrete washout is required. Payment for Concrete Washouts will not be made as Concrete Washouts will be made incidental to all other Work as specified above.

4.01.8 LINE STRIPING

There will be no separate payment for Line Striping as Line Striping is incidental to all other Work. Line Striping includes all labor, material, and equipment necessary for installation, maintenance, and relocation of traffic control devices and flagging to complete all work. This may include the flaggers, erection, placement, and maintenance in good condition of barricades, warning signs, lights, flares, approved yellow-flashing light units, rubber traffic cones, and other warning and danger signals and devices, appropriate and adequate for the specific needs at the project site. This applies to pedestrian and vehicular traffic. All work shall be completed in accordance with Section 32 17 23.33 and as directed.

01 22 00-5

END OF SECTION