CAP2607_Project_Specifications.pdf

PS 1

Project Specifications

2026 Catalpa Drive Resurfacing Improvements Contract CAP2607

Project Scope

The work under this Contract consists of, but is not limited to the following:

• Asphalt and concrete milling

• Asphalt paving

• Removal of concrete and composite pavement

• Concrete curb and gutter replacement

• Concrete driveway/sidewalk construction

• Concrete patching

• Pedestrian refuge island installation

• Drainage structures and piping

• Water main

• Water services

• Joint sealing

• Pavement striping

• Restoration

General Information

The following sections of the current version of the City of Royal Oak Standard Specifications for Construction apply totally to the project except as noted on the drawings and in these specifications:

1. Standard Instructions to Bidders

2. General Conditions

3. Material Testing

4. Excavating and Backfilling

5. Sewers

6. Water Main

7. Pavement-concrete

8. Cold Milling

9. Bituminous Street Resurfacing

10. Joint Sealing

11. Signing and Barricading

12. Restoration

These project specifications modify the current version of the City of Royal Oak Standard Specifications as required for this project.

In addition to the current version of the City of Royal Oak General Specifications for Construction listed above, the current version "Standard Specifications for Construction" adopted by the Michigan Department of Transportation (MDOT) are incorporated into these specifications and apply to work covered under this Contract.

The Contractor shall provide all labor, equipment and materials as specified in these specifications and shown on the Plans to complete all aspects of the project. Payment of all labor, equipment and materials shall be included in the Items. The specifications listed below describe the work covered under each pay item of work listed in the project Form of Proposal.

Project Specifications – continued

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Specifications:

Item 1: Bidder Requirements

This item is not a work or paid item and shall consist of supplying information as referenced on pages SI-2 & 3 of the Royal Oak Standard Specifications for Construction and within this Request for Bid.

Item 2: Mobilization (10% max)

Mobilization shall be in accordance with the MDOT 2020 Standard Specifications for Construction, Section 110. This item includes the movement of personnel, equipment, materials, incidentals to the project site, the establishment of the Contractor’s facilities to support work on the project, expenses incurred before beginning work (excluding bidding costs) on the pay items for the project, and other work and operations the Contractor must perform. Mobilization shall include all ancillary paperwork and recordkeeping, bonds, insurance and other required coverages, and any item not specifically listed in the form of proposal as determined by the city.

The original contract amount is the total value of all contract items including the mobilization item.

The payment shall be lump sum (LS) and paid as scheduled for mobilization shall be as follows:

Percent of original contract amount earned:

Percent of mobilization to be paid:

5% 50%

10% 75%

25% 100%

The total sum of all payments for this item will not exceed the lump sum bid amount for this item, regardless of the following conditions:

A. The Contractor shut down the work on the project for any reason.

B. The Contractor moved equipment away from the project and then back again.

C. The City added additional quantities or items of work to the contract.

Item 3: Remove 6"x18" concrete straight curb w/ pavement or 24" wide curb & gutter including sawcutting

Refer to the "General Specifications for Excavating and Backfilling” section of the current version of the City of Royal Oak Standard Specifications for Construction.

This item of work includes all labor, materials, and equipment required for curb removal, including sawcutting. This item includes removal of straight curb including concrete pavement with or without asphalt cap up to 18” wide for a total width of 24”, or concrete pavement with integral curb including asphalt cap up to 24” wide, plus additional width removal needed for forming. This item also includes cutting roots, hauling away, and disposing of removed concrete curb at a recognized landfill.

Payment of this item shall be paid by the linear foot (LF) measured along the gutter line.

Item 4: Horizontal sawcutting

This item of work shall consist of furnishing all labor, materials, and equipment to horizontally saw cut curb to the elevation above the gutter line as directed by the Engineer. Angled end cuts and grinding of edges as required are included in this item of work. The equipment used for this work

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shall have a saw blade capable of cutting completely through the curb section in one pass. This item includes hauling away and disposing of removed concrete curb.

Payment for this item of work shall be by the linear foot (LF) of curb that is cut.

Item 5: Remove 4”- 8” concrete, asphalt or brick sidewalk, ramp or drive, including sawcutting

Refer to the “General Specifications for Excavation and Backfill” section of the current version of the City of Royal Oak Standard Specifications for Construction. This item of work shall consist of saw cutting (full depth), removing and disposing of sidewalk, sidewalk ramps, and drive approaches (concrete, brick, asphalt, asphalt pavement with concrete base course or otherwise), as directed by the Engineer. Drive approaches, sidewalks, or ramps damaged by the contractor shall be removed and replaced by the contractor at no additional cost. Additional compensation will not be allowed when steel reinforcement is encountered.

This item includes removal of asphalt cap, as required hauling away and disposing of removed sidewalk, sidewalk ramps, and drive approaches to a recognized landfill.

This item also includes the removal of tree roots necessary to accommodate sidewalk, sidewalk ramp, and drive approach replacement. The removal of sign posts, meter posts, bricks, pavers, gravel, earth, topsoil or sod required for removal of sidewalk, sidewalk ramps, and drive approaches shall be considered as part of this item. Pavers that will not be reinstalled shall be salvaged on private property or disposed as directed by the Engineer; pavers to be reinstalled shall be paid for under Item 38. This item shall also include saving and stockpiling of landscape timbers or decorative mulch.

Measurement and payment for this item of work shall be by square yard (SY).

Item 6: Remove concrete, asphalt or composite pavement with or without integral curb and with or without reinforcement, including sawcutting

This item of work shall consist of full depth pavement removal with or without integral curb to a plane of weakness joint or to a sawed joint. Sufficient removal shall be made to provide for proper grades and connections in the new work. Included in this item is preparation of the proper sub-base cross-section for new pavement.

This item includes saw cutting (full depth) and removing pavement (concrete, asphalt and concrete with asphalt pavement cap), as directed by the Engineer, and the removal of any concrete curbing connected / adjacent to pavement or base course. Pavement removal shall be done in accordance with the “General Specifications for Excavation and Backfill” section of the current version of the City of Royal Oak Standard Specifications for Construction. Additional compensation will not be considered when steel reinforcement is encountered.

When directed by the Engineer, this item of work shall also include payment for saw cutting relief joints in adjacent existing concrete pavement that is not replaced. Saw cuts for relief joints in existing 6” pavement shall be 1/8” wide x 2” deep and for 8” pavement shall be 1/8” wide x 2 ½” deep.

This item includes hauling away and disposing of removed pavement, asphalt cap, base course, aggregate base, and curbing to a recognized landfill. This item includes the removal of tree roots necessary to accommodate pavement and curbing replacement.

Measurement and payment for this item of work shall be by square yard (SY).

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Item 7: Cold milling HMA surface

Refer to the current version of the City of Royal Oak "General Specifications Pavement for Asphalt Street Resurfacing", Sections 1.00 ,1.01 and 1.03.

This item includes all labor, materials, and equipment necessary to cold mill the asphalt pavement to the depth (s) specified on the Plans or directed by the Engineer and up to 1 inch into underlying concrete pavement. Sweeping of the milled surface, dust control, ramping of driveways, butt joints, and disposal of the milling material shall be considered as included in the work. All utility castings that are to be adjusted or removed and replaced shall be location marked and temporarily lowered and plated prior to milling.

Refer to the contract drawings for approximate limits and depths of milling.

Cold milling HMA surface shall be measured in place by area in square yards (SY). The area determination shall be based upon the average length and width dimensions of the milled area as measured in the field by the Engineer.

Item 8: Cold milling concrete surface

Refer to the current version of the City of Royal Oak "General Specifications Pavement for Asphalt Street Resurfacing", Sections 1.00 ,1.02 and 1.03.

This item includes all labor, materials, and equipment necessary to cold mill the concrete pavement to the depth(s) specified on the Plans. Sweeping of the milled surface, dust control, and disposal of the milling material shall be considered as included in the work.

This item also includes longitudinal sawcutting the 2-foot offset edge for the length of the pavement as shown in the plans.

Refer to the contract drawings for approximate limits and depths of concrete cold milling.

Cold milling concrete surface shall be measured in place by area in square yards (SY). The area determination shall be based upon the average length and width dimensions of the milled area as measured in the field by the Engineer.

Item 9 : Pavement Joint and Crack Repair, Detail 7

Refer to the current version of the City of Royal Oak "General Specifications for Pavement" and "General Specifications for Bituminous Street Resurfacing", Section 1.09.

This item includes all labor, materials, and equipment necessary to remove all deteriorated joint and base material, apply bond coat and place 36A HMA with a minimum 5-10 ton roller. Patch material shall be paid as “Hand patching with HMA, 36A”. Payment of this item shall be by linear foot (LF).

Item 10: Crushed concrete for maintaining traffic

This item of work consists of furnishing and placing crushed concrete as is directed by the Engineer and as a temporary material to maintain traffic and access to properties where concrete or bituminous pavement has been removed. The work of this item includes excavation and disposal of undesirable subgrade material. The work also includes maintenance, regrading, and removal of the crushed concrete placed to maintain traffic and access to properties.

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Crushed concrete placed at driveways shall be regraded after pavement installation so that access to properties is maintained until the permanent replacement occurs.

Unless otherwise approved by the Engineer, crushed concrete to be furnished for maintaining traffic and access to properties shall be MDOT 21AA Crushed Concrete conforming to 2020 MDOT Standard Specifications for Construction, Section 902 including Tables 902-1 and 902-2.

Crushed concrete to maintain traffic and access to properties shall be placed, maintained, and removed as directed by the Engineer. The Engineer shall determine the thickness of the layer to be placed on a case-by-case basis for use as temporary surface or base under temporary patching that receives bituminous mixture.

This item of work will be paid for at the contract unit price per ton (TON), installed when directed by the Engineer. Load tickets from the supplier shall indicate tons, and a copy must be furnished to the City at the time of delivery to receive payment.

Item 11: Crushed concrete 1” to 3” for subgrade undercutting, including geotextile fabric

This item of work consists of furnishing and placing crushed concrete 1” to 3” as a backfill material when subgrade undercutting is directed by the Engineer. Crushed concrete aggregate shall meet the requirements of MDOT class 21AA.

Unless otherwise approved by the Engineer, crushed concrete to be furnished shall be an open-graded aggregate having 100% passing the 3-inch sieve, 90% passing the 1 ½” sieve, and 5% maximum loss by washing. The material shall be produced by crushing concrete, and no greater than 1% of the material shall be undesirable materials such as brick, wood, or plaster. Pieces of steel reinforcement may be present provided that they pass the 2-inch sieve without hand manipulation.

Subgrade undercutting of areas to be backfilled with crushed concrete 1” to 3” shall be done in accordance with the requirements of Section 205.03.E of the MDOT 2020 Standard Specifications for Construction. The Engineer shall determine the thickness of the layer to be placed on a case-by-case basis. The Engineer shall determine the limits of all areas to be undercut on a case-by-case basis. Load tickets certifying the material meets the requirements of MDOT class 21AA aggregate shall be provided at the time of delivery to receive payment.

This work shall consist of furnishing and placing a non-woven geo-textile fabric as a means of separating and stabilizing two dissimilar materials to allow the roadway structure to perform as intended. The fabric shall provide a permeable layer, while retaining to soil matrix.

Geo-textiles shall be stored and handled in accordance with the manufacturer’s specifications and recommendations. Torn or punctured geo-textiles shall not be used unless repaired to the satisfaction of the project Engineer. Approved materials shall meet or exceed the following minimum average roll values:

Physical Properties Test Procedure Min. Value

Grab Strength, LBS. ASTM D-4632 200 Grab Elongation, % ASTM D-4632 50 Puncture Strength, LBS. ASTM D-4833 110 Mullen Burst Strength, PSI. ASTM D-3786 400

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Trapezoidal Tear Strength, LBS. ASTM D-4533 85 Coefficient of Water Permeability, CM/SEC ASTM D-4491 0.10 Apparent Opening Size (AOS) ASTM D-4751 70

The contractor shall be required to submit testing data to the project Engineer, which confirms that the material meets the above-referenced criteria.

The geo-textile fabric shall be installed over the crushed concrete as directed by the project Engineer.

The material shall be joined by sewing or lapping. The amount of lap shall be as specified on the Plans or a minimum of three (3) feet. The sewing process shall be as specified by the manufacturer.

Aggregate shall be spread in the direction of the overlap. A minimum of six (6) inch cover will be required over all fabrics before construction traffic is allowed.

The contract unit price will include all labor, equipment, and materials involved in excavation, placement of the crushed concrete 1” to 3”, including removal and disposal of the undesirable material, and providing and installation of the geo-textile fabric over the crushed concrete.

Measurement and payment for this item of work shall be by ton (TON).

Item 12: Adjust catch basin, inlet, manhole, gatewell, road box or utility casting

Refer to Section 10.05, current version of the City of Royal Oak Standard Specifications for Construction- "General Specifications for Sewers.” This item includes the chipping of precast structures within the limits of this item to allow for setting the casting to the proper elevation to allow drainage. The contractor shall remove existing concrete attached to the casting prior to placement and any masonry spillage or debris within the structure as a part of this work, including utility structures. This item shall include location marking, temporary lowering and plating of the structure prior to milling and sawcutting for the removal of the plate following base material paving prior to setting for finish / final paving grade.

Payment of this item shall be paid by each (EA) adjust per structure and shall include all material, labor, and equipment.

Item 13: Remove and replace catch basin, inlet, manhole or gatewell frame & cover

This item is for use on existing structures and includes brickwork as specified in “Reconstruct catch basin, inlet, manhole, or gatewell to 3’ below top of masonry structure” item and setting (adjusting) the casting to proper grades. Refer to Section 10.03 and 10.05 of the current version of the City of Royal Oak Standard Specifications for Construction- "General Specifications for Sewers.”

Structure Frame and cover

Gatewell - E.J. 1045 w/ 1040“WATER SUPPLY Cover w/ Royal Oak logo

Sanitary or combined manhole

- E.J. 1045 w/ 1040 SANITARY SEWER” Type AGS Solid

Cover with Royal Oak logo Storm manhole - E.J. 1045 w/ 1040“STORM SEWER” Type C 2 Hole Vent

Cover with Royal Oak logo Catch basins & inlets within lawn areas

- E.J. 1045 w/ 1040 Type N oval grate

Catch basins & inlets within pavement

- E.J. 1045 w/ 1040 Type M Grate or Type #100199 grate with either 2 or 4 slots

Catch basin & inlets - E.J. 7045 w/ 1040 Type M1 Grate (if full height curb)

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within curb & gutter within an ADA route

E.J. 7065 w/ 1040 Type M1 Grate (if drop curb) E.J. 1045 w/ Type M3 Grate or Type #104036 grate

Removed castings shall be salvaged and delivered within five (5) days by the Contractor to the City of Royal Oak D.P.S. Yard at 1600 N. Campbell Road unless otherwise directed. No additional compensation will be provided for delivery to the city.

Refer to pages SD-11 and SD-12 of the current version of the City of Royal Oak Standard Specifications for Construction- "General Specifications for Sewers" for details. Casting for structures shall be paid as each (EA) complete casting (frame and cover) and shall be equal to the E.J. casting unless otherwise approved by the Engineer.

Item 14: Reconstruct catch basin, inlet, manhole or gatewell up to 3’ below top of masonry structure

Refer to Section 10.06, current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Sewers.” Refer to Subsection 403.03 in the 2020 MDOT Standard Specifications for Construction. Reconstructed structures may need to have edge drain installed as directed by the Engineer. Edge drain and tapping the structure shall be paid under the item “6” Corrugated plastic edge drain, including geo-textile wrap & backfill.”

Payment of this item shall be paid as each (EA) reconstruct per structure.

Item 15: Reconstruct catch basin, inlet, manhole or gatewell additional depth below

3' to 6' from top of masonry structure

Refer to Section 10.07, current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Sewers.” Catch basins connected to combination sewers shall be trapped, see Plans for required sewer trap details. Installation or replacement of sewer traps as required, and the removal and bulk-heading of existing pipes show on the Plans to reconstruct shall be considered included in this pay item.

Payment of this item shall be paid by the vertical foot (VFT) of each reconstruct and shall include all material, labor, and equipment.

Item 16: 4-foot diameter manhole or catch basin with 2-foot sump, including trap and frame & cover

Refer to the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Sewers.” Work under this item shall include, but not be limited to, the installation of a 4-foot drainage structure as required at the locations and grades shown on the Plans or as directed by the Engineer. The installation of a trap in a 4-foot diameter structure shall be included in the storm structures directly upstream of combined sewers and shall be considered included in this pay item. Precast reinforced concrete manhole bases, risers, reducers, tops and/or cone sections shall conform to A.S.T.M. C478 specifications, and a 2-foot sump for catch basins shall be included where indicated on the Plans. This item of work shall conform to standard details or the details on the Plans.

The work of this item includes excavation, backfill, furnishing, and setting of a casting to grade. The casting shall be as indicated on the Plans or as directed by the Engineer. Removal and the bulk heading of existing pipes shown on the Plans, which may be necessary for the installation of this item of work, shall be included in the bid unit prices for the drainage structures.

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Measurement and payment for this item of work shall be by each (EA).

Item 17: Remove catch basin, inlet, manhole or gatewell

Work under this item shall include removal of existing 2-foot to 6-foot diameter manholes, catch basins, inlets, and gatewell structures where indicated on the drawings or as directed by the Engineer. Refer to the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Sewers” Section 10. Removed castings are to be taken within five (5) days to the City of Royal Oak D.P.S. Yard, 1600 N. Campbell Road, Royal Oak, Michigan unless otherwise directed. The Contractor shall remove and dispose of all debris within the structure as part of this work. All abandoned pipes shall be bulk headed or removed as indicated on the drawings and are included in this item pay item.

Removal of valves within gatewells is not included in this item and shall be paid under the “Remove existing gate valve or tapping sleeve including road box” pay item.

Measurement and payment for this item of work shall be by each (EA).

Item 18: Abandon catch basin, manhole or gatewell

Refer to the current version of the City of Royal Oak Standard Specifications for “General Specifications for Sewers” Section 10. The entire structure shall be removed to 3 feet below the bottom of the casting. Existing pipes shall be bulkheaded and the structure shall be backfilled and compacted to 95% with Class 2 sand, unless otherwise directed by the Engineer.

Payment shall be for each (EA) abandoned structure.

Item 19: 6” Corrugated plastic edge drain, including geotextile wrap & backfill

This item of work shall be completed in accordance with Section 404, 902, 909.07.B and 910.03.A of the MDOT 2020 Standard Specifications for Construction and the drawing details provided. Refer to the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Pavement” detail page PD-12.

This item of work shall consist of excavating, backfilling, and installing 6" diameter corrugated edge drain as directed by the Engineer. The work shall include tapping existing structures and removal of existing pipe when necessary to install the new edge drain. Removal and replacement of sewer pipe as required shall be performed in conjunction with reconstruction of structures, as directed by the Engineer.

Edge drain shall be 6” diameter corrugated polyethylene tubing with perforations and a pipe wrap consisting of a knitted polyester sock conforming to the requirements stipulated in MDOT Table 910-

1. The edge drain shall be installed in undercut areas, as directed by the Engineer. The work shall include connections to an existing drainage structure, or as directed by the Engineer.

The installation of the edge drain shall be done as follows:

1. The invert elevation shall be 36” below finish grade or as directed by the Engineer.

2. Drain shall extend up to 100 feet away from the catch basin in each direction along back of curb or as indicated on the drawings.

3. The upstream end shall be plugged with the manufacturer’s recommended cap.

4. The connection to the catch basins or inlets, when the edge drain will be installed in both

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directions from the structure with a tee.

Measurement and payment for this item of work shall be by liner foot (LF) of edge drain installed, as measured by the Engineer.

Item 20: Replace or install 8”- 12” catch basin lead

Refer to the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Sewers.” This item of work shall consist of excavating, backfilling, and installing 8”, 10”, or 12” diameter storm sewer for catch basin or inlet leads. The work shall include removal of the existing lead when necessary to install the new pipe as required.

When connecting to existing sewer line or leads the pipe material must match as follows:

Existing lead / line New connection

Concrete Concrete/ PVC SDR 26 Clay Concrete/ PVC SDR 26 PVC Sch. 40 PVC SDR 26 Truss PVC SDR 26

Where PVC pipe is used, the pipe shall be SDR 26 with premium joints installed in accordance with ASTM D 2855.

All connections between existing and new piping that is cut shall be made using a flexible rubber coupling with stainless steel clamps. The coupling shall be made by Fernco (Strong Back RC Couplings) or approved equal which is included in the item.

PVC pipe with ball and spigot joint shall conform to ASTM D-1784, D-638 and D-790. Tapping into existing manholes or sewer lines shall be considered included in this item.

Sand backfill shall be used around all pipes and under road pavement surfaces. Refer to Section

3.00 of the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Excavating and Backfilling.” Backfill is included in this item.

Payment of this item shall be paid by the linear foot (LF) of pipe installed.

Item 21: Replace 36” sewer

This item of work shall consist of replacing portions of existing sewer pipes that are either broken, deteriorated, or have settled. Refer to the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Sewers.”

The 36” PVC pipe indicated on the plans shall be polyvinyl chloride (PVC) pipe and conform to ASTM F679 (PS 115) standards. Joints for PVC pipe shall be bell-and-spigot type rubber gasketed joints conforming to the requirements of ASTM F 477. The work shall include excavating, removal of the existing sewer, installing the 36” diameter storm sewer, and backfilling. Connecting or tapping into existing manholes or sewer lines shall be considered included in this item.

The following joint requirements for pipe over 18” in diameter connection between new pipe and existing pipe shall be Fernco Strong Back RC Couplings or engineer approved equal. The Contractor shall furnish all labor, materials and equipment required for the connection to the existing manholes or catch basins.

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Sand backfill shall be used around all pipes and under road pavement surfaces. Refer to Section

3.00 of the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Excavating and Backfilling.” Backfill is included in this item.

Payment of this item shall be paid by the linear foot (LF) of pipe installed.

Item 22: Aggregate base, 21AA crushed limestone

This item of work includes excavating, placing and compacting a MDOT Class 21AA crushed limestone aggregate base course in accordance with Sections 205.03.G, 302 and 902.05 of the MDOT 2020 Standard Specifications for Construction.

The Engineer may approve of using existing pavement base material. If the existing base material is unacceptable, it shall be removed and replaced under this item. It shall consist of excavating various depths of existing road base and any additional subgrade as directed by the Engineer. This work includes the placement, grading, and compaction of 21AA crushed limestone base for new concrete and hot mix asphalt (HMA) pavement and concrete pavement base as directed by the Engineer.

Excavated material shall be hauled away and disposed of at a recognized landfill. The aggregate shall meet MDOT 21AA requirements. The new 21AA crushed limestone base shall be compacted to 95% modified proctor density.

Aggregate base shall be placed to the required depth under the roadway pavement and curb and gutter as shown on the drawings and extended one (1) foot beyond the back-of-curb, or as directed by the Engineer.

Aggregate base shall be placed at a depth of four (4) inches under sidewalk, sidewalk ramps, or drive approaches where shown on the Plans or directed by the Engineer. This placement shall be extended six (6) inches beyond the edge of the pavement, or as directed by the Engineer.

Measurement and payment for this item of work shall be by ton (TON). Load tickets certifying the material meets the requirements of MDOT class 21AA aggregate shall be provided at the time of delivery to receive payment.

Item 23: 5/8” Standard expansion-anchored hook bolt or epoxy anchored lane tie

This item of work shall consist of providing and placement of standard expansion anchored 5/8” hook bolts as directed by the Engineer. Spacing shall be at 36" on center. Expansion anchors shall be Phillips Drill Co. “Red Head” Self Drilling Rod Hanger or approved equal.

Payment shall be made for each (EA) expansion-anchored hook bolt installed in existing pavement or base course. Lane ties installed with new curb and gutter shall not be paid for under this item but shall be included in the pay item for “24” Concrete curb and gutter, detail F3 modified or F4 modified w/ lane ties”, or “13” Concrete straight curb, detail B modified w/ lane ties.” Any hook bolt installed in new pavement, base course, or curbing shall not be paid for separately but considered as included in the concrete items of the Contract.

Item 24: 24” Concrete curb and gutter, detail F3 modified or F4 modified w/ lane ties

Item 25: 13” Concrete straight curb, detail B modified w/ lane ties

Refer to Section 4.02, the current version of the City of Royal Oak "General Specifications for Excavating and Backfilling" and “General Specifications for Pavement- Concrete Work.” The curb

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shall contain two #4 deformed reinforcing bars lap spliced 12" in the base. Lane ties at 3-foot spacing are included in these pay items and shall be used when curbing is adjacent to concrete base course that is at least 5 inches thick and in a suitable condition for drilling ties. Control joints shall be every ten (10) feet.

If additional concrete base is removed to allow for form installation, the replacement of this base material shall be included in these pay items and poured integral with the curbing.

Refer to Item 27 for placement, mix, and base specifications. Curb shall be 5” high on local roads, and 6” high on major roads with 1/2” fall in gutter pan unless otherwise noted on the plans. Refer to detail page PD-14 of the current version City of Royal Oak Standard Specifications for Construction.

Payment shall be by linear foot (LF) of curb and gutter placed. Asphalt installed on areas where gutter pan is capped is included in this pay item.

Item 26: 4” Concrete sidewalk

This item of work shall consist of installing new 4” concrete sidewalk in accordance with Section 601 and 803 of the MDOT 2020 Standard Specifications for Construction, except as modified by the plans or specifications. Handicap ramps shall be 6” thick and paid for under “6” Concrete drive approach or sidewalk or sidewalk ramp” pay item.

Refer to the current version of the City of Royal Oak Standard Specifications for Construction- “General Specifications for Pavement- Sidewalk and Handicap Ramps.” All sidewalks and driveways are to be replaced within 5 days of removal.

The conditioning and compaction of base material shall be included in this item of work. The adjustment of water shutoffs (curb stops), as required, will be considered included in this pay item.

Refer to Item 27 for concrete installation specifications. The Contractor is required to remove forms within seven days of pour.

This item includes all earth excavation, grading, or fill required to set proper grades for replaced or new sidewalk, and all clean up and restoration including topsoil, irrigation repairs, and clean up as required within 10 days of removing the sidewalk following the new sidewalk installation.

Payment for this item will not be made until all items of work are complete.

Measurement and payment for this item of work shall be by square foot (SF).

Item 27: 6” Concrete drive approach or sidewalk or sidewalk ramp

Item 28: 8” Concrete drive approach or sidewalk or sidewalk ramp

A. These items of work shall be completed in accordance with Sections 801 and 803 of the MDOT 2020 Standard Specifications for Construction and current version of the City of Royal Oak Standard Specifications for Construction - “General Specifications for Pavement- Concrete Work/ Sidewalk and Handicap Ramps.”

Ready-mixed concrete shall be used and shall conform to 4000-HP 6.0-sack mix design with a minimum cementitious content of 564 lb/cy as listed in 2020 MDOT Standard Specification Table 1004-1, ASTM C-94 (alternate No. 2) ACI-301 and ACI-614, and MDOT 2020 Standard

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Specifications for Construction Sections 602, 603, 803 and 1004 thru 601.03. All exterior concrete shall have ground granulated blast furnace slag (GGBFS or Slag Cement) substitution of at least 20% up to a maximum 25% of the total cement content. Air content shall range between 5.5% and 8%. The mix shall include a mid-range or high-range water reducing agent.

A copy of each concrete mixture design from the supplier shall be furnished to the Engineer for approval at least two weeks before any concrete placement.

A load ticket shall be provided for each load used on the project. Provide an automated printout of target and actual batch weights with each delivery ticket. If target and actual batch weight information is computer generated on a separate document, include the serial number of the corresponding delivery ticket, or other means of cross reference. Attach the automated printout of target and actual batch weights to the corresponding delivery ticket. Collect tickets accompanying loads of concrete and provide them to the inspector. The ticket shall indicate the mixture composition, batch time, and loading time. Water shall not be added to any load of concrete at the job site without the approval of a representative of the City of Royal Oak. Any water added to the mixture shall be recorded in “gallons added” and noted onto the ticket by the driver.

B. The following work shall be considered included in the concrete items of work:

1. All earth excavation to base course elevation and to 1.5’ outside the back of curb for pavement and curb & gutter. All earth excavation necessary for the construction of driveway and sidewalk. Removal and disposal of asphaltic materials, bricks, rip-rap, and other unsuitable materials including roots, vegetation, etc. at a recognized landfill.

2. Backfilling with approved excavated material and compaction of backfill to 95% Modified proctor density adjacent to back of curb for pavement and curb & gutter, and edge of driveway and sidewalk.

3. Grading, conditioning, and compaction of existing base material for pavement, concrete base, curb and gutter, driveway, and sidewalk. Existing base material shall be compacted to 95% Modified Proctor Density to a depth of 9” between lines 1.5’ outside the back of curb or 0.5’ outside the edge of driveway and sidewalk.

4. Furnishing and installing (on metal spades) 2’ long epoxy-coated #5 bars at all longitudinal pavement joints and at all longitudinal joints in concrete base. Maximum spacing for the epoxy-coated steel bars shall be 4-foot on center or as indicated on the Plans.

5. Furnishing and installing (on metal spades) two (2) longitudinal epoxy-coated #4 bars in the gutter pan for all 8” concrete pavement and all concrete curb & gutter. #4 bars shall be placed 4” and 20” from back of curb for all concrete pavement and curb & gutter.

6. Furnishing and installing ½” fiber board for expansion joints within all pavement, base, driveway, sidewalk, curb and gutter, at drive approach where approach connects to back of curb, and within bulkhead joints as described in the current version of the City of Royal Standard Specifications for Construction “General Specifications for Pavement- Concrete Work.” Fiber joint filler installed at driveway approaches and at handicap ramps shall be sealed with hot poured rubber-asphalt. In lieu of sealed ½ paper where drive approach connects to back of curb, a ¼ wide full depth asphalt expansion (dummy) paper can be used.

7. Any special forming necessary for preserving trees, providing curb drops or varying the curb

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height or gutter pan to match existing curb or gutter pan elevations.

8. Saw cutting relief cuts at all Symbol D, D1 and E3 joints within 8” concrete pavement, excluding D1 and E3 joints that butt up against ends of curb and gutter sections or abut concrete pavement with asphalt cap. Refer to Pavement Jointing details.

9. Providing final saw cuts, furnishing and installing foam backer road and hot poured rubber-asphalt at all joints within 8” concrete pavement, excluding joints that butt up against ends of curb and gutter sections or abut concrete pavement with asphalt cap. New pavement shall be sealed prior to opening road to traffic.

10. Sealing with hot poured rubber-asphalt of all relief cuts in adjacent existing concrete pavement.

11. Thorough cleaning of all new pavement or base prior to joint sealing. Thoroughly cleaning all new pavements prior to opening the pavement to traffic.

12. Furnishing and installing (on metal spades) 2’ long epoxy-coated #5 bars at 4’ on center maximum at - joints in 6” concrete driveway and sidewalk when the Engineer directs that the driveway approach shall be performed in two pours to maintain access to a non-residential property.

C. Pavement jointing for all concrete pavement shall conform to the details on the Plans. Location of joints shall be as indicated on the Plans or as indicated in the current version of the City of Royal Standard Specifications for Construction- “Concrete Work.” Relief saw cuts at symbol D and D1 joints shall be 1/8” wide and 2” deep for 6” pavement, 2-1/4” deep for 7” pavement, 2- 3/4”deep for 8” pavement and 3-1/4” deep for 10”pavement.

D. Pavement jointing for all 6”-10” concrete base shall conform to the details on the Plans, except that the final saw cut, backer rod, and sealing shown shall not be provided. For symbol E3 joints, the 1” fiber filler shall extend to the finished surface of the base. For symbol D and D1 joints, the joints may be tooled, saw cut, or formed using 1/8” wide dummy paper to the depths previously indicated for new pavement. Location of joints in concrete base shall align with existing joints as directed by the Engineer. Transverse joints shall be spaced at intervals not to exceed 1.5 times the longitudinal joint spacing.

E. Non-reinforced concrete driveway approach, and sidewalk shall conform to the details on the

Plans. Plane of weakness joints shall be tooled joints to 1/3 thickness of the driveway or sidewalk for 4” or 6” thick concrete. Plane of weakness joints for 8” thick concrete driveway or sidewalk shall be made with ¼” wide x 2” high fiberboard (dummy paper) unless directed otherwise by the Engineer. Expansion joints for driveway approaches and sidewalk shall be ½” fiberboard installed flush with the surface. In addition, expansion joints shall be installed in runs of sidewalk at intervals not exceeding 50 feet. All sidewalk shall have a transverse slope towards the street of at least 1/8” per foot. Longitudinal slope of sidewalk shall not exceed 1” per foot. Thickness of driveway approaches and sidewalk within the influence of driveway approaches shall be as indicated on the Plans unless directed otherwise by the Engineer. Thickness of sidewalk handicap ramps shall also be as indicated on the Plans or as directed by the Engineer. In general, handicap ramps at local street intersections shall be 6” thick and ramps at major street intersections shall be 8” thick. Sidewalk across driveway approaches shall be 6” thick unless otherwise directed. All other sidewalk shall be 4” thick concrete.

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F. Concrete curb and concrete curb and gutter shall conform to existing curbing or as directed by the Engineer. It will be paid per linear foot installed as measured along the base of the curb face.

Location of joints shall be as indicated on the Plans or as directed by the Engineer. Contraction joints shall be tooled to a depth as indicated in the details. Expansion joints shall be symbol E3 joints as described in paragraph E.

G. Heavy construction equipment including concrete delivery trucks shall not be allowed on new concrete surfaces for a minimum of seven (7) days unless otherwise directed by the Engineer.

Measurement and payment for these items of work shall be by square yard (SY).

Item 29: Detectable warning surface

This item of work consists of supplying a detectable warning surface to be installed at all curb openings (drop curbs) installed for sidewalk ramps as indicated in Section 2.00 of the current version of the City of Royal Oak Standard Specifications for Construction- “Sidewalk and Handicap Ramps” and Section 803 in the 2020 MDOT Standard Specifications for Construction.

The detectable warning surface shall extend the full width of and centered in the drop curb, but in no case shall the width of the surface installed be less than 5 feet. The 6” thick ramp shall extend no further than 10 ft behind the back of curbing, sidewalk thickness beyond that shall be 4” thick and separated by a ½” thick paper.

The Contractor shall provide written certification to the Engineer that the detectable warning surface complies with all requirements of the Americans with Disabilities Act Access Guidelines (ADAAG) Draft Section 1108. The detectable warning surface shall be installed according to the manufacturer’s instructions and the latest version of MDOT Standard Plan No. R-28-K.

The surface materials shall be cast-in place and installed so that the edge nearest the back of curb line is at the back of curb line. The detectable warning material shall be ADA Solutions ™- Clay Red (Federal Color Code 22144), Armor-tile ™- Brick Red (Federal Color Code 22144) or approved equal.

The detectable warning surface will be paid based on the length of the standard 2’ width detectable warning surface at the contract unit price per linear foot (LF) measured in place. If the angle points are cut off, the measurement will be taken from the centerline of 2’ width.

Item 30: 6”-9” Concrete base course with or without integral curb

Item 31: 8” Non-reinforced concrete pavement with or without integral curb

Refer to City of Royal Oak "General Specifications for Material Testing" and "General Specifications for Concrete". Placement shall conform to details shown on pages PD-10 through PD-13, and as directed by the Engineer in the field. These items shall consist of placement of 6"- 10” pavement base or 8” concrete pavement on a prepared 21AA crushed limestone base.

Refer to Item 27 for concrete requirements. Curbing installed integral to the concrete base course in included in these pay items. The concrete base shall have an asphalt compatible curing compound applied after the final finishing is complete.

Payment shall be by square yard (SY) installed.

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Item 32: HMA, 4EML

Item 33: HMA, 5EML tier 1

Item 34: Wedging, HMA, 5EML

These mixtures shall be in accordance with the current MDOT 2020 Standard Specifications for Construction, Section 501 and 904. The HMA mixes shall contain Performance Grade 64-28 asphalt binder and the mix designs shall be submitted to the Engineer for approval prior to installation.

The total thickness of material placed will be equal to the total thickness shown on the Plans and placed in two lifts where applicable. The leveling and wearing thickness may vary, but shall be adjusted to install a minimum 1-1/2” thick wearing course after compaction. Contractor shall adjust paving course thicknesses accordingly to MDOT application rates to ensure a minimum overall placement of a minimum of 3.5” HMA in two or more lifts. The mix design shall be submitted to the Engineer for approval prior to installation. If more than one lift of leveling course is required to meet proposed grades and needs to deviate from the specified application rates, the proposed paving plan and application rates shall be submitted to the Engineer for approval prior to installation (for example if a 1.5” 4EML lift is to be placed). The application rate for prime coat and bond coat shall be 0.10 gallon/square yard.

Application and material supplied for SS-1h bond coat shall conform to 2012 MDOT Standard Specifications for Construction, Section 501. The application rate for prime coat and bond coat shall be 0.10 gallon/square yard.

Load tickets certifying the weight of HMA delivered shall be provided at the time of delivery to receive payment. If the entire load is not used an agreed upon “used” quantity shall be agreed to prior to the truck leaving by the project foreman and the Engineer. The unit price submitted for this item shall apply. Measurement and payment for these items of work shall be by ton (TON).

Item 35: Hand patching with HMA, 36A

This item of work shall be performed in accordance with Sections 501, 502, 503, 504 and 904 of the MDOT 2020 Standard Specifications for Construction and the MDOT Special Provision for Marshall Hot Mix Asphalt Mixture, and shall consist of furnishing, placing and compaction of HMA, 36A as permanent pavement to maintain traffic and access to properties. The thickness of the patch shall be determined case-by-case by the Engineer.

The bituminous mixture designs for these items of work shall be in accordance with Section 501 of the MDOT 2020 Standard Specifications for Construction except that the amount of reclaimed asphalt pavement to be blended with new aggregate shall be 10 percent or less. A copy of each bituminous mixture design from the supplier shall be furnished to the Engineer for approval prior to placement of any bituminous material.

The Contractor shall not place any bituminous mixture until the condition of the sub-base material or pavement to be resurfaced has been inspected and approved by the Engineer. Application and material supplied for SS-1h bond coat shall conform to 2020 M.D.O.T. Standard Specifications for Construction, Section 501. The application rate for prime coat and bond coat shall be 0.10 gallon/square yard. The unit price submitted for this item shall apply.

Load tickets certifying the weight of HMA, 36A delivered shall be provided at the time of delivery to receive payment. If the entire load is not used an agreed upon “used” quantity shall be

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agreed to prior to the truck leaving by the project foreman and the Engineer. The unit price submitted for this item shall apply. Measurement and payment for this item of work shall be by ton (TON).

Item 36: Joint sealing, curb and edge of pavement

Work for this item shall be performed in accordance with the current version of the City of Royal Oak Standard Specifications for Construction, Joint and Crack Sealing, pages P-18 through P-22. Refer to Section 502 and Section 914.04 – MDOT current Standard Specifications for Construction.

Prepare, clean and seal longitudinal joints where the newly installed asphalt meets either the edge of metal, the face of curb or edge of concrete pavement, or at locations directed by the engineer.

Clean and dry cracks using compressed air and other tools to remove loose dirt, and deleterious materials no more than 10 minutes before filling. Apply overband material to clean, dry cracks. 4 inches wide, ±½ inch and from ⅛ inch to 3/16 inch thick.

Remove any resulting debris from the project site. Place materials at air temperatures between 45°F and 85°F. Do not place material if moisture is present in the crack.

Payment shall be by linear foot (LF) of sealant applied.

Item 37: Prepare, route, clean and seal cracks in concrete pavement

Work for this item shall be performed in accordance with the current version of the City of Royal Oak Standard Specifications for Construction, Joint and Crack Sealing, pages P-18 through P-22.

Material used for this application shall be rubber material.

As directed by the engineer, the joints shall be routed and re-sealed where the existing joint sealing has failed or the existing pavement has broken along the sawed joints. New replacement backer rod is included in this item and shall be replaced where it can be, if the existing joint structure has not broken or widened beyond the original design width.

This item shall be used for existing concrete only. Payment shall be by linear foot (LF) of sealant applied.

Item 38: Remove and reinstall brick pavers

Existing pavers may need to be removed to accommodate the removal and placement of curbs, sidewalks, and driveways. Removal of existing concrete block and/or brick pavers and salvaging shall be performed under the “Remove 4”-8” concrete or asphalt sidewalk, ramp or drive, including sawcutting.” Reinstall pavers only after adjacent concrete has cured for a minimum of 24 hours and only where directed by Engineer.

This item includes removing, cleaning and stockpiling brick pavers, replacing damaged pavers, excavation, and disposal of excess or unsuitable materials, furnishing and installing proper subbase, and sawcutting salvaged concrete block pavers when new area has been reduced. Any brick pavers damaged during removal, transport, and storage, at the Contractor expense.

Payment for this item of work shall be by the square foot (SF).

Item 39: Turf establishment

This item is intended for restoration of all disturbed project areas including either side of new sidewalks, driveways, driveway approaches, at back of curb, areas of pavement or sidewalk

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elimination, locations affected by new water main / water service installation, and stockpile areas as directed by the Engineer.

This item shall include the installation of topsoil and Class A sodding in accordance with sections 816.03, 917.06, 917.12 and 917.14 of the 2020 MDOT Standard Specifications for Construction and…