Cooperate with adjacent landowners to permit and maintain access. The U.S.P.S. shall be provided access to existing mail facilities. Coordinate with refuse disposal to allow normal pickup.
All streets shall be open for use by public traffic on Saturdays, Sundays, and designated legal holidays, after 5:00 p.m. on Fridays and the day preceding designated legal holidays, and when construction operations are not actively in progress.
Designated legal holidays which may affect this project are:
New Years, Martin Luther King Day, President’s Day, Memorial Day, Independence Day, Labor Day, Columbus Day, Veteran’s Day, Thanksgiving, and Christmas.
Minor deviations from the requirements of this section concerning hours of work which do not significantly change the cost of the work may be permitted upon the written request of the Contractor if in the opinion of the Engineer public traffic will be better served and the work expedited. Such deviations shall not be adopted until the Engineer has indicated his written approval. All other modifications will be made by contract change order.
Full compensation for maintaining traffic in accordance with the plans, these Special Provisions and as directed by the engineer including all labor, materials, tools, equipment, and incidentals shall be included in the lump sum price for "Traffic Control" and no additional compensation will be allowed therefor.
701.1 TRAFFIC CONTROL SYSTEM:
The Contractor shall submit a traffic control plan which conforms to the latest edition of the California MUTCD. The traffic control plan shall indicate all the placement location of all signs, cones, barricades, light stands, flag persons and other traffic control devices. Device spacing and distances shall be provided. The Contractor’s Traffic Control Plan shall provide for the safe passage of all public traffic including pedestrian traffic, through the project.
The Provisions in this section will not relieve the Contractor from his responsibility to provide such additional devices or take such measures as may be necessary to comply with the provisions in Section 7-10.4, “Safety”, of the Standard Specifications these Special Provisions.
Section F Page 117 BID NO. 23-02
The Contractor shall install the traffic control signs, delineation, barriers, etc. as indicated on the Traffic Control Plan. Changes in the specified traffic control plan shall be requested at least 5 calendar days prior the expected date of the requested change. Such changes shall be considered by the City Engineer and if deemed to adequately provide at least the same or greater level of protection for the traveling public, pedestrians, bicyclist and workers, the changes shall be allowed. The Contractor shall provide access to all private properties. Additional means of access and sequencing of the Work to facilitate access shall be at the option and expense of the Contractor.
If any component in the traffic control system is displaced, or ceases to operate or function as specified, from any cause, during the progress of the work, the Contractor shall immediately repair said component to its original condition or replace said component and shall restore the component to its original location.
When lane closures are made for work periods only, at the end of each work period all components of the traffic control system, except portable delineators placed along open trenches or excavation adjacent to the traveled way, shall be removed from the traveled way and shoulder.
If the Contractor so elects, said components may be stored at selected central locations, approved by the Engineer, within the limits of the right of way.
The contract lump sum price shall be paid under Bid Item 2, “Traffic Control” and shall include, except as otherwise provided, full compensation for engineering and submitting traffic control plan, furnishing all labor, materials (including signs and temporary barricades), tools, equipment, and incidentals, and for doing all the work involved in placing, removing, storing, maintaining, moving to new locations, replacing, and disposing of the components of the traffic control system, as shown on the Traffic Control Plan submitted by the Contractor, as specified in the Standard Specifications, these Special Provisions, and as directed by the Engineer and no separate payment will be made therefor.
701-2 TEMPORARY PAVEMENT DELINEATION
Temporary pavement delineation shall be furnished, placed, maintained and removed in accordance with the provisionsof the Standard Specifications and these special provisions.
Nothing in these special provisions shall be construed to reduce the minimum standards specified in the Manual of Traffic Controls published by the Department of Transportation or as relieving the Contractor from his responsibility as provided in Section 7-10, of the Standard Specifications.
701-2.1 GENERAL
Whenever the work causes obliteration of pavement delineation, temporary or permanent pavement delineation shall be in place prior to opening the traveled way to public traffic. Lane line or centerline pavement delineation shall be provided at all times for traveled ways open to public traffic.
All work necessary, including any required lines or marks, to establish the alignment of temporary pavement delineation shall be performed by the Contractor. Surface to receive Section F Page 118 BID NO. 23-02
temporary pavement delineation shall be dry and free of dirt and loose material. Temporary pavement delineation shall not be applied over existing pavement delineation or other temporary pavement delineation. Temporary pavement delineation shall be maintained until superseded or replaced with a new pattern of temporary pavement delineation or permanent pavement delineation.
Temporary pavement markers and removable traffic type tape which conflicts with a new traffic pattern or which is applied to the final layer of surfacing or existing pavement to remain in place shall be removed when no longer required for the direction of public traffic, as determined by the Engineer.
701-2.2 TEMPORARY LANELINE AND CENTERLINE DELINEATION.
Whenever lane lines and centerlines are obliterated the minimum lane line and centerline delineation to be provided shall be temporary reflective raised pavement markers or portable delineators placed at longitudinal intervals of not more than 24 feet, or as directed by the Engineer. The temporary reflective raised pavement markers shall be the same color as the lane line or centerline the markers replace. Temporary reflective raised pavement markers shall be, at the option of the Contractor, one of the temporary pavement markers listed for short term day/night use (14 days or less) or long term day/night use (6 months or less) in "Prequalified and Tested Signing and Delineation Materials" elsewhere in these special provisions.
Temporary reflective raised pavement markers shall be placed in accordance with the manufacturer's instructions and shall be cemented to the surfacing with the adhesive recommended by the manufacturer, except epoxy adhesive shall not be used to place pavement markers in areas where removal of the markers will be required.
Temporary lane line or centerline delineation consisting entirely of temporary reflective raised pavement markers placed on longitudinal intervals of not more than 24 feet, shall be used on lanes opened to public traffic for a maximum of 14 days. Prior to the end of the 14 days the permanent pavement delineation shall be placed. If the permanent pavement delineation is not placed within the 14 days, the Contractor shall provide, at his expense, additional temporary pavement delineation. The additional temporary pavement delineation to be provided shall be equivalent to the pattern specified for the permanent pavement delineation for the area, as determined by the Engineer.
Full compensation for furnishing, placing, maintaining, and removing the temporary reflective raised pavement markers, used for temporary lane line and centerline delineation and for providing equivalent patterns of permanent traffic lines for such areas when required, shall be considered as included in the contract prices paid for the items of work that obliterated the lane line and centerline pavement delineation, and no separate payment will be made therefor. 701-2.3 TEMPORARY EDGELINE DELINEATION
Whenever edgelines are obliterated the edgeline delineation to be provided for that area adjacent to lanes open to the public traffic shall consist of, at the option of the Contractor, either solid 4- inch wide traffic stripe of the same color as the stripe the temporary edgeline delineation replaces, or shall consist of traffic cones, portable delineators or channelizers placed at longitudinal intervals not to exceed 25 feet.
Section F Page 119 BID NO. 23-02
Four-inch wide traffic stripe placed for temporary edgeline delineation, which will require removal, shall consist of temporary removable construction grade striping and pavement marking tape listed in “Prequalified and Tested Signing and Delineation Materials” elsewhere in these special provisions. Temporary removable construction grade striping and pavement marking tape, when used, shall be applied in accordance with the manufacturer’s recommendations.
Where removal of the 4-inch wide traffic stripe will not be required, painted traffic stripe used for temporary edgeline delineation shall conform to “Paint Traffic Stripes and Pavement Markings” of these special provisions, except for payment and the number of coats shall be, at the option of the Contractor, either one or two coats. The quantity of painted traffic stripe used for temporary edgeline delineation will not be included in the quantities of paint traffic stripe to be paid for.
The lateral offset for traffic cones, portable delineators or channelizers used for temporary edgeline delineation shall be as determined by the Engineer. If traffic cones or portable delineators are used as temporary pavement delineation for edgelines, the Contractor shall provide personnel to remain at the job site to maintain the cones or delineators during all work hours. The Contractor shall also maintain all temporary traffic control. Minimum monitoring shall consist of visiting the site once prior to 8 AM and once after 6 PM each day that no work is performed on project.
Channelizers used for temporary edgeline delineation shall be surface mounted type and shall be orange in color. Channelizer bases shall be cemented to the pavement in the same manner provided for cementing pavement markers to pavement in the section of these special provisions entitled “Pavement Marker,” except epoxy adhesive shall not be used to place channelizers on the top layer of pavement. Channelizers shall be, at the Contractor’s option, one of the surface mount types listed in “Prequalified and Tested Signing and Delineation Materials’ provided on the Caltrans website.
Temporary edgeline delineation shall be removed when no longer required for the direction of public traffic, as determined by the Engineer.
Full compensation for furnishing, placing, maintaining, and removing temporary edgeline delineation shall be considered as included in the contract prices paid for the items of work that obliterated the edgeline pavement delineation and no separate payment will be made therefor. 702 DEMOLITION, SITE PREPARATION AND GENERAL REQUIREMENTS 702-1 GENERAL
702.1.1 SUMMARY
A. Includes But Not Limited To:
1. Demolish and remove portions of existing site facilities as described in Contract Documents. Salvage as indicated on the plans. Backfill as indicated. a. Street signs and poles (salvage)
b. Existing pavement, curb, gutter, and sidewalk
2. Protection of existing facilities
Section F Page 120 BID NO. 23-02
3. Repair, cleaning and restoration
702.1.2 SUBMITTALS
A. Provide technical submittals as required in each section.
B. Closeout – provide as constructed elevations for Green Street between Lakeshore and Sayre.
702.1.3 SCHEDULING
A. Include on Construction Schedule detailed sequence of individual site demolition operations including road closures.
B. Coordinate with Owner for equipment and materials to be removed or reset by Owner or others, where necessary.
702-1.4 Test Methods
A. Maximum Laboratory Density – either CT 216 or ASTM D1557.
B. Nuclear Gauge – ASTM D6938
702-2 PRODUCTS
A. Controlled Low Strength Material (CLSM) conforming to the following:
1. Contains maximum of 94 lbs. of cement per yard.
2. Compressive strength between 75 and 150 psi at 28 days.
3. Fly ash is permitted.
4. Air entrainment additives for workability
B. All backfill in pavement areas including for storm drains; sewer lines and laterals; water
lines and services; electrical lines, and in front of completed gutters shall be CLSM.
C. Bedding - Sand bedding shall be used for all utility lines under the sidewalk. A minimum of 3 inches of sand bedding shall be used over the pipe or conduit.
D. Class 2 Aggregate Base
1. Shall conform to 2010 Caltrans Standard Specifications Section 26
2. Shall have a minimum dry unit weight based on ASTM D 1557 of 135 pcf.
3. Shall be used under all sidewalks, curbs and gutters per plan details.
4. Shall be used in all other areas as specified.
702-3 EXECUTION
702-3.1 EXAMINATION
A. Examine site to determine extent of work necessary to isolate work to be removed from
work to remain. If separation procedure is unclear, request clarification from Owner’s Agent
at least 2 working days in advance of demolition.
Section F Page 121 BID NO. 23-02
702-3.2 PREPARATION
A. Notify corporations, companies, individuals, and local authorities owning utilities within the
project area.
B. Disconnect electrical wires and feeds in such a manner that accidental reenergization cannot occur.
C. Protect and maintain conduits, drains, sewers, pipes, and wires that are to remain.
D. Contractor shall be responsible for protecting existing facilities.
E. Protection – protect all buildings and existing features from damage.
F. Spillage -
1. Avoid spillage by covering and securing loads when hauling on or adjacent to public streets or highways.
2. Remove spillage and sweep, or otherwise clean project, streets, and highways.
G. Dust Control -
1. Take precautions necessary to prevent dust nuisance, both on-site and adjacent to public and private properties.
2. Correct or repair damage caused by dust.
H. Existing Plants and Features - Do not damage tops, trunks, and roots of existing trees and shrubs on site which are intended to remain. Do not use heavy equipment within branch spread. Interfering branches may be removed only with permission of Owner’s Agent. Do not damage other plants and features which are to remain. Any damaged plants or features shall be replaced at the contractor’s expense.
I. If specified precautions are not taken or corrections and repairs made promptly, Owner may take such steps as may be deemed necessary and deduct costs of such from monies due to Contractor. Such action or lack of action on Owner’s part does not relieve Contractor from responsibility for proper protection of the Work.
J. Contractor shall comply with all local, state, and federal storm water protection regulations.
K. Obtain Construction Water
1. Obtain Water Use Permit from City of Lakeport
2. Rent hydrant or bridge meter
3. Pay deposits, permits, fees and invoices.
4. Other sources other than City water may be used only as authorized by Engineer. 702-3.3 NOISE CONTROL
A. Use lowest available noise equipment designed for noise control.
B. Monitor noise to assure compliance with City of Lakeport Noise ordinance for project.
C. Minimize backup alarm use.
702-3.4 PERFORMANCE
A. Execute work in an orderly and careful manner, with due consideration for residences and the public.
Section F Page 122 BID NO. 23-02
B. Carefully remove, disassemble, or dismantle as required, existing items to be reused in completed work, and store in approved location at storage yard or City Recycling Yard off of Highway 175 as determined by the Engineer.
C. Concrete and Paving removal
Full depth saw cut joints between material to be removed and material to remain.
All sawcuts shall be to nearest score mark and perpendicular to travelled way in roadway.
D. Existing concrete site elements or pavement damaged during demolition or work shall be re-saw cut and replaced in accordance with the plans and specifications at Contractor’s expense. Replacement of damaged material shall be performed in accordance with the project plans and these specifications.
E. Disposal
1. Concrete, Aggregates, Native Soil and Pavement
a. Separated materials
b. Transport to City site indicated on the plans during the same work period as removed.
c. Provide loader to push up materials daily or more often if necessary to maintain clean and orderly stockpile at disposal site.
3. If hazardous materials are encountered refer to the General Conditions.
F. Backfill
1. Backfill holes made due to removal with CLSM
2. Alternative backfill methods may be used if approved by the Engineer in writing prior to work performance.
H. Site Maintenance
1. Broom clean all remaining surfaces immediately after demolition and removal of debris. Maintain broom clean condition.
2. Maintain all storm water protection measures.
702-3.5 REPAIR/RESTORATION
A. Adjust existing covers, boxes, and vaults to grade per plans B. Replace broken or damaged covers, boxes, and vaults.
C. Site Cleaning Immediately Prior To Acceptance
1. All surfaces shall be broom clean and free from any accumulation of debris.
2. Clean tack coat from concrete surfaces. Tack coat within 1 inch of pavement on curbs or gutter is not required to be cleaned.
3. Remove all traffic control devices, excess materials, debris and signage from site.
4. Remove all debris and sediment from the existing storm drain structures.
5. Replace any disturbed landscaping. Backfill planters with clean topsoil and replace surface dressing or mulch in kind.
6. Remove all concrete debris and splatter.
702-4 PAYMENT
A. Included in various bid items.
Section F Page 123 BID NO. 23-02
703 PROTECT UTILITY FACILITIES
703-1 GENERAL
703-1.1 SUMMARY
A. Includes But Not Limited To:
1. Protect water valves, manholes and survey monuments from damage
2. Provide three (3) foot of clearance from operating FDR equipment including mixing, grading and compacting equipment.
3. Provide labor and equipment to excavate, grade and install treated soils around facilities
703-2 EXECUTION
A. Preparation
1. Prior to cold planning, all utilities facilities will be identified and marked from protection.
B. Excavation
1. Provide appropriate equipment to remove pavement and underlying soils to the depths indicated on the drawings and within 3 feet of the facility.
2. Install and compact treated soils around facilities using small compaction equipment including jumping jacks and vibraplates. Install treated soils in lifts which can be compacted with this equipment to the required density.
3. Provide protection from traffic by installing temporary paving ramps consisting of cold mix asphalt paving with a minimum length on each side of the facility of 10 feet and a minimum width of 5 feet on each side of each facility.
4. The variance from the surface of the completed work shall be 0.01 feet in the direction of travel and 0.02 feet traverse to the direction of travel.
5. Failure to protect sewer and storm drain lines from debris will cause the City to clean the associated manholes and pipelines at the Contractor’s expense. The minimum charge will be $2,000.
C. Cleaning
1. Water valve risers shall be cleaned such that the entire valve nut is exposed. 703-4 PAYMENT
A. All manhole covers, valve boxes, and survey monuments protected as part of the work shall be paid at the contract unit cost per each location. The unit cost includes the cost of working around, protecting, adjusting and additional labor and equipment necessary to complete the associated cold planning, FDR and paving. 704 CONCRETE WORK
704-1 GENERAL
704-1.1 SUMMARY
A. Includes But Not Limited To
Section F Page 124 BID NO. 23-02
1. Compact subgrade for cast-in-place concrete site elements.
2. Furnish and install base for cast-in-place concrete site elements.
3. Furnish and install expansion joints and concrete joint sealant (caulking).
4. Detectable Warning Surfaces
704-1.2 REFERENCES
A. 2010 Caltrans Standard Specifications
B. Applicable ASTM Standards
704-1.3 DELIVERY, STORAGE, AND HANDLING
A. Reinforcing steel shall be free of heavy rust scales and flakes, or other coating at time of delivery and placing. Properly protect rebar on site after delivery. 704-1.4 SUBMITTALS
A. Concrete Mix Designs
B. Quality Assurance/Control
Delivery Tickets - Require mix plant to furnish delivery ticket for each batch of concrete. Keep delivery tickets at job-site for use of Owner or representatives.
Tickets shall show following:
Name of ready-mix plant
Serial number of ticket
Date and truck number
Name of Contractor
Name and location of Project
Specific class or designation of concrete in conformance with the specifications.
Class or designation shall match mix approved mix design.
Amount of concrete
Time loaded
Type, name, and amount of admixtures used.
Amount and type of cement
Total water content including water added on site
Sizes and weights of sand and aggregate
C. CLSM
D. Safety treads
E. Detectable Warning Surface
704-2 PRODUCTS
704-2.1 MATERIALS
A. Formwork
1. Material: Wood, metal or plastic
2. Size – as required.
Section F Page 125 BID NO. 23-02
3. Straight Runs - 2-inch nominal minimum thickness.
4. Curves - laminated to 3/4-inch minimum thickness.
5. Depth - Within 2 inches of specified depth.
6. Staking - 2 foot maximum spacing.
B. Aggregate Base -
1. 3/4-inch Class 2 Aggregate per Section 26 of Caltrans Standard Specifications.
2. Comply with 702-2.D
C. Controlled Density Fill1. Comply with 702-2.A
D. Expansion Joints
1. Manufactured commercial fiber type meeting requirements of ASTM D 1751 and 1/2 inch thick. Asphalt impregnated commercial fiber shall be provided against all buildings as noted in plans.
E. Concrete Reinforcing Steel
1. Grade 40 or 60 deformed bars.
F. Concrete
1. Type I/II Cement
2. All concrete unless otherwise specified
a. 1" maximum aggregate size.
b. 5 sack minimum.
c. 2,500 psi in 28 days.
d. 4-inch maximum slump.
G. Safety Treads (edge warning) –
1. Wooster Products Inc. Type 231 complying with latest addition of UBC for placement and color.
2. Warning strip on top and bottom steps to differ in color from intermediate stair treads.
H. Detectable Warning Surface -
I. Tactile warning dots per Section 11B-705.1 of the most recent edition of the California Building Code.
1. 36” width.
2. Durable, slip resistant material with a surface texture composed of raised, truncated domes in a staggered pattern with a diameter of nominal
0.9” at the base tapering to 0.45” at the top, a height of nominal 0.2”, and a center spacing of nominal 2.35”.
3. Color as specified on plans. If no color is specified, color shall be Colonial Red. It shall provide 70% minimum contrast with adjacent walking surface per CBC 11B-705.1.1.3.2.
4. “Set-in-concrete’ system required (No glued & screwed mat systems installed after finished concrete)
J. Acceptable Products (in colonial red):
a. “Wet-Anchor Box” by Disability Devices, Inc.
http://www.disabilitydevices.com/Offset_Dome_Tactile_Warning_ Section F Page 126 BID NO. 23-02
Mat.html
b. “Cast-in-Place System” by Armor-Tile.
http://www.armor-tile.com/truncateddomes/surface-appliedsystems.htm c. Approved equal by Owner’s Agent prior to bidding.
K. Joint Sealant
1. Sika 2c SL Joint Sealant – Limestone Grey
2. Deck of Seal Gun Grade Joint Sealant – Grey
3. Or Equal approved prior to Bid
.
704-3 EXECUTION
704-3.1 PREPARATION
A. Survey and stake concrete work to indicate location and elevations.
1. Layout ADA ramps to assure compliant slopes and transitions to existing sidewalks.
2. Locate sign post sleeves.
B. Subgrade
1. Fine grade to elevations required by Contract Documents with allowances for required concrete and aggregate base thickness.
2. Compact to 90 percent relative compaction at optimum moisture +/- 2 percent.
C. Aggregate Base
1. Place required thickness.
2. Fine grade to elevations on drawings with allowances for required concrete thickness.
3. Compact to 90 percent relative compaction at optimum moisture +/- 2 percent.
D. Protection of Existing Facilities
1. Existing hardscape surfaces shall be protected with tape and plastic sheeting.
E. Complete All Underground Work Prior to Sidewalk Installation 704-3.2 INSTALLATION
A. Site Tolerances
1. Vertical
a. Subgrade +/- 0.02 feet high.
b. Aggregate Base +/- 0.02 feet high.
c. Finish Concrete +/- 0.02 feet.
2. Horizontal
a. General Finish Concrete - +/- 0.04 feet.
b. Required Widths - 0.00 to +0.04 feet.
3. Layout
Section F Page 127 BID NO. 23-02
a. Horizontal dimensions shall be within +/- 0.04 feet.
4. Exterior Accessible Travel Paths
a. Slopes shall be per plan.
b. Landings, Ramps, Crosswalks, Sidewalks, and other Pedestrian Travel Paths Cross slopes – As designated, generally 1.5% with 2% maximum.
c. Sidewalks – 5.0% or less longitudinal slope.
d. Ramps – As designed with maximum 8.33% or less longitudinal slope.
e. Maximum vertical distance between landings - 30 inches. f. Variations in stairs
1) Consecutive steps-
Treads -1/4-inch, 11-inch minimum width.
Risers - 1/4-inch, 4-inch minimum, 7-inch maximum.
2) Flight of stairs -
Treads -3/8 inch.
Risers - 3/8 inch.
5. Forms
a. Vertical surfaces shall be formed to within 2 inches of subgrade. b. Gaps between forms shall not exceed 1/4".
6. Joints
a. All joints shall be located per plan layout
b. Align joints of sidewalk and curb and gutter.
7. Expansion Joints with joint material
a. Spacing - as shown on plans
b. Full depth of sidewalk, curbs, gutters, pads, etc.
c. If reinforcement required, rebar to extend through expansion joint material.
d. Place at corner of curb and curb & gutter.
e. Install so top of expansion joint material is 3/8 to 1/2 inch below finished concrete surface.
f. No expansion joint required between curbs and walks parallel to curb.
g. Provide expansion joint at end of walks perpendicular to and terminating at curb.
h. Provide expansion joint between concrete work and buildings.
Construct per plan details including preparation of existing building finishes.
i. Expansion joints shall be installed at conform with existing concrete surfaces.
j. Seal Joints in accordance with Manufacturer’s application instructions.
8. Contraction Joints
Section F Page 128 BID NO. 23-02
a. Locations on indicated on plans. If not shown, per below:
b. Spacing -
1) Sidewalks, Curbs, and Curb & Gutter - 5 feet on center. 2) Flat Drainage Structures - 8 feet on center.
c. Contraction Joint Depth
1) 1-1/2-inch minimum depth.
2) 1/4 to 1/3 concrete thickness.
d. Location
1) Align sidewalk and curb and/or gutter.
2) Place at all inside corners.
3) At square utility boxes, place contraction joints at each corner.
4) At round utility boxes, place joint through center to nearest edges of concrete.
5) Spacing may be increased or decreased to 8 feet to
accommodate utility boxes.
e. Type
1) Tooled joint up to 6" concrete depth. Tooled joint required for all sidewalks. Saw cuts not allowed. Tooled joint may be deepened with saw cut within 24 hours of concrete
placement if necessary.
2) Saw cut or parting strip for concrete depths over 6 inches.
All saw cuts shall be made within 24 hours of concrete
placement.
f. Edge Warning, Stair Treads, etc. - Precut and place prior to concrete placement where practical in accordance with
manufacturer’s recommendation.
g. Crack Repair - Cracks resulting from failure to comply with requirements will require removal and replacement of entire panel or section of concrete to adjacent contraction joints.
B. Finish
1. Curb, Gutter, Slabs, Mow Strips, Flat Drainage Structures, And Miscellaneous -
a. Light Broom finish.
b. Round edges including edges formed by expansion joints. c. Remove edger marks.
2. Sidewalk
a. Unless specified otherwise on plans, sidewalks shall have a light broom finish with the following requirements:
b. Round edges including edges formed by expansion joints. c. Remove edger marks.
3. Curb Faces -
Section F Page 129 BID NO. 23-02
a. Remove forms as soon as practical.
b. Fill voids with fresh concrete if necessary.
c. Finish face full depth with smooth steel trowel finish. d. Remove any excess concrete beyond form line at bottom of curb face at time of finishing.
4. Walls -
a. Immediately after removing forms, remove joints, marks, bellies, projections, loose materials, and cut back metal ties from surfaces to be exposed.
b. Fill up voids with cement mortar, 1:2 mix, and rub exposed surface with carborundum to smooth, even surface.
5. Ramps - Medium broom finish transverse to direction of travel on ramp.
C. Special Requirements
1. Form vertical surfaces full depth. Do not allow concrete to flow out from under forms in any degree. Remove any excess concrete beyond form face immediately after forms removed.
2. Sidewalks, Exterior Stairs, and Landings -
a. Slope to drain.
1) Slope sidewalks with cross slope of 1 percent minimum to 2 percent maximum in direction of intended drainage.
2) Slope sidewalks away from building one percent minimum. 3) Dusting with cement not permitted.
4) Adding water during finish not permitted.
D. Detectable Warning Surfaces -
1. 36-inch minimum width, length per plan.
2. Surface flush with adjacent concrete.
3. Construct with no significant voids under insert.
4. Install warning surface in accordance with manufacturer’s recommendations.
5. Assure compliant ADA slopes on panel and adjacent concrete. 704-3.3 FIELD QUALITY CONTROL
A. Inspection - Do not place concrete unless inspection has been made of formwork and inspector is present.
704-4 PAYMENT
A. See various bid items.
705 ROOT BARRIER
705-1 GENERAL
Work includes furnishing, installing and backfilling root barrier. 705-2 MATERIALS
Section F Page 130 BID NO. 23-02
Water permeable fabric 19-inch minimum width with nodules spaced at 1-1/2 inches apart containing slow release trifluralin. Typar Biobarrier or equal.
Backfill shall be coarse sand or class 2 aggregate base. 705-3 EXECUTION
Place with nodules toward trees against excavation. Backfill and compact. 705-4 PAYMENT
Payment shall be as indicated in bid schedule.
706 GRADE CONTROL
706-1 GENERAL
706-1.1 SUMMARY
A. Includes But Not Limited To
1. Providing grade control via GPS equipment capable of +/- 0.02 foot tolerances
2. Layout stationing and centerline control at 25 foot increments along centerline.
3. Obtain existing pavement elevations at centerline, and pavement edge or gutter lip.
4. Provide data to Engineer as required
5. Provide grade control during cold paving, FDR grading and final paving to assure design elevation provided by the Engineer are constructed within tolerance.
706-1.2 SUBMITTALS
A Within 5 days of the Notice to Proceed, provide existing grades at the locations required to the Engineer. Provide grades on excel spreadsheet format by station and offset in format acceptable to Engineer. Provide hard copy and electronic copy.
B. Engineer will provide adjustments to existing grades within 3 calendar days of complete grade submittal.
C. Provide as constructed data at the same intervals as the design for both top of FDR and top of completed paving.
706-1.3 PROJECT CONDITIONS
A. Provide traffic control for work
706-2 EXECUTION
706-2.1 PREPARATION
A. Surfaces shall be dry and free of grease and loose dirt particles prior to marking with locations
Section F Page 131 BID NO. 23-02
B. Paint stationing on existing pavement at 25 foot intervals at the designation location including centerline, 12 foot offsets on both sides of centerline, grade breaks and pavement edge or gutter lip. Extend existing elevations 50 feet beyond limits of work.
706-2.2 APPLICATION
A. Obtain elevations at the marked locations using GPS equipment which will save location information as well as elevations.
B Obtain elevations on existing pavement at 25 foot intervals at the designation location including centerline, 12 foot offsets on both sides of centerline, grade breaks and pavement edge or gutter lip. Extend existing elevations 50 feet beyond limits of work.
C. Provide grades on excel spreadsheet format by station and offset in format acceptable to Engineer. Provide hard copy and electronic copy.
D. Engineer will provide design grades within 3 calendar days of submittal. Do not proceed with cold planning or following work until final grades received.
E. Provide grade control during cold planning to assure that applicable grade adjustments are reflected in the final cold planed surface.
F. Provide grade control during FDR grading to assure that grade tolerance relative to design grades are met. Provide final constructed grades as required herein.
G. Provide grade control during base course paving to assure that grade tolerance relative to design grades are met. Provide as constructed grades as required herein. 706-3 PAYMENT
A. All grade control shall be paid as part of the FRD-C unit price itemized in the bid schedule.
707 FULL DEPTH RECLAMATION – CEMENT (FDR)
707-1 GENERAL
707-1.1 SUMMARY
A. Includes But Not Limited To
1. Providing Quality Control (QC) Plan for the work.
2. Pulverizing, adding cement, mixing, grading, compacting, finishing and sealing FDR
3. Applying asphalt emulsion sealer
4. Provide QC testing during work and submitting required reports upon completion.
707-1.2 SUBMITTALS
A Contractor Quality Control Plan
1. The FDR-C area of the project shall be a single lot.
2. Name and credentials of dedicated QC personnel
3. Procedures to verify for each lot the following:
Section F Page 132 BID NO. 23-02
i. Cement application
ii. Depth of treatment (cores)
iii. Moisture Control
iv. Compaction
v. Unconfined Compressive Strength (7 day)
vi. Calibrations for required field equipment for CT 216, 226 and 231.
B. Job Mix Formula
1. Design based on testing attached to Special Provisions. Testing indicates that minimum unconfined compressive strength may be reached at about 3% cement content based on dry density. Minimum required cement content shall be 4%.
2. Contractor shall provide end result product with minimum 7-day unconfined compressive strength of 300 psi.
3. Contractor, at their option, may do additional pre-construction investigation and testing to confirm City test results.
4. Contractor shall provide a JMF to be used as the guide for constructing the FDR.
5. No test strip required.
C. Materials
1. Certificate of Compliance for Cement
2. Certificate of Compliance for Emulsion
3. Delivery tickets for cement
4. Core backfill material
707-1.3 PROJECT CONDITIONS
A. Provide traffic control for work
B. Minimum roadway and ambient temperature is 50°F.
707-1.4 QUALITY CONTROL AND ACCEPTENCE
A. FDR-Cement QC Characteristic Sampling Locations and Testing Frequencies
Section F Page 133 BID NO. 23-02
Quality
Characteristic
Test Method Minimum Frequency Sample Location
Moisture Content CT 226 1 per lot Loose mix after
pulverizing and mixing
Laboratory maximum
wet density
CT 216 2 minimum Loose mix after
pulverizing and mixing
Cement Application
Rate
Calibrated
tray or equal
1 per lot Within 1st 300 feet of first
pass
Relative Compaction CT 231 1 per lot Random per test method – 5 density tests per lot
minimum
Thickness- Process n/a Cut depth every 300 feet Both ends of drum Thickness - Final n/a 4 or 6 inch cores 2 random per lot Unconfined
compressive Strength
ASTM D1633
– See Note
1 per lot Loose mix after
pulverizing and mixing
Surface from Design GPS Every 25 feet Centerline and lane edges minimum
Surface Regularity 12 ft.
Straightedge
Continuous Centerline and lane edges
minimum
B. Quality Control Reporting
1. General Information
a. Weather: Ambient and road surface temperature at start and completion of FDR as well as times.
b. Average forward speed in feet per minute of pulverizing and mixing equipment.
2. Daily Production Report for each lot (submit within 24 hours) a. Moisture Content
b. Laboratory Maximum Wet Density (include lab worksheet) c. Relative Compaction (include field work sheet)
d. Process thickness measurements with Stations
e. Core thicknesses with station and offset references
3. Compacted Surface Prior to Sealing (submit within 24 hours of compaction)
a. Constructed grades compared to design grades
b. 12-foot straightedge non-compliance report including stations and wheelpath.
4. Unconfined compressive strength (submit within 24 hours after testing) a. Table indicating lot and test result
C. FDR-Cement Acceptance Tolerances
Quality Characteristic Value
Cement Application 4% or JMF min - 0.5%
Thickness (drum during processing) 0.83’ (10”) +/- 0.05 feet Relative Compaction (min, % wet density) 97
Thickness Final (cores) 0.83’ (10”) +/- 0.05 feet
Unconfined Compressive Strength (7 day) 300 psi minimum Section F Page 134 BID NO. 23-02
D. Visual Criteria
1. Segregation, raveling, and loose material
2. Uniform surface texture throughout work limits
3. Repaired areas
E. Quality Control Compaction Testing
1. Determine in accordance with CT 231 and the following:
a. Test with nuclear gauge with an 8 inch probe depth.
b. Correction for oversize does not apply
c. A sample must contain no more than 5 percent retained on the 2- inch sieve and 15 percent retained on the 1-1/2 in sieve. d. If the relative compaction for a lot is less than 97 percent, perform CT 216 and CT 224 for each noncompliant lot and recalculate the relative compaction.
e. All CT 216 and CT 226 testing shall be performed on site during the work using field equipment. Equipment must be calibrated and included in QC plan.
707-2 MATERIALS
A. Cement shall be Type II complying with ASTM C150
B. Core Backfill Material
1. Material to fill cored holes for thickness measurements must be packaged rapid-hardening cementitious material under ASTM C928, Type R2 or R3
707-3 CONSTRUCTION
707-3.1 GENERAL
A. Do not start FDR—cement activities if the ambient air temperature is below 50 degrees F or the road surface is below 50 degrees F. If the ambient air temperature falls below 50 degrees F during FDR—cement activities, you may only compact and finish FDR—cement.
707-3.2 EQUIPMENT
A. The FDR—cement machine must have independent and interlocked systems for water and must include the following:
1. Digital electronic controller system
2. Pumping system
3. Spray bar system
B. Storage equipment for water must not leak and must be attached to the FDR— cement machine with a tow bar and hose.
C. Grading and compacting equipment must be self-propelled and reversible. The frequency and amplitude of vibrating rollers must be adjustable and exceed a force of 15 tons in vibratory mode.
Section F Page 135 BID NO. 23-02
707-3.3 PULVERIZING
A. Do not pulverize more material than can be mixed with cement and compacted in one day.
B. Do not leave a wedge where the pulverizing drum cuts into the existing material. The 1st cut width must use the full width of the pulverizing drum. Subsequent cuts must overlap at least 4 inches.
C. Do not leave a gap of unpulverized material between cuts. If an overlap is more than 4 inches, immediately adjust. If an overlap is less than 4 inches, immediately back up and pulverize the deviation along the correct cut line.
D. Mark the existing pavement where the center of the pulverizing drum stops. Start the following cut on this alignment at least 2 feet behind the mark. 707-3.4 SPREADING MATERIALS
A. Spread cement uniformly over the full roadway surface width. Do not spread cement more than 30 minutes before mixing. Do not apply dry cement in windy conditions that will result in dust outside the FDR—cement area. The spread rate must be the mix design rate or the ordered rate in lb/sq yd ± 5 percent.
B. Do not spread cement and supplementary aggregate before pulverizing. 707-3.5 MIXING
A. The overlap requirements in section 30-4.03C apply to mixing. With each cut, adjust the quantity of water proportionally to the actual cut width. If an overlap is less than 4 inches, immediately back up and pulverize the deviation along the correct line without adding water or cement.
B. Water must be injected through the pulverizing machine. The injection rate of mixing water must be sufficient to produce the FDR—cement material mixing moisture content described in the mix design.
C. Mark where the center of the pulverizing drum stops. Start the following cut on this alignment at least 2 feet behind the mark.
707-3.6 COMPACTING AND GRADING
A. Immediately after pulverizing and mixing, compact FDR—cement to the minimum relative compaction. Do not allow more than 2 hours between final mixing of the pulverized material with cement and completion of compaction with vibratory steel drum rollers.
B. During grading and final compaction with vibratory steel drum rollers, add water to maintain the mixing moisture content as described in the mix design.
C. Finish and compact final surface to tolerances indicated. Document grades and smoothness. Make corrections immediately and prior to applying asphaltic emulsion.
D. Remove and legal dispose of excess treated soils.
707-3.7 FINISHING & MAINTENANCE
A. Immediately after compaction, apply water and roll with pneumatic-tired rollers or steel drum roller with no vibration. The finished surface must be free of ruts, bumps, indentations, segregation, raveling, and any loose material.
Section F Page 136 BID NO. 23-02
B. Keep the compacted surface damp by lightly watering until asphaltic emulsion is applied.
C. Apply a coat of diluted asphaltic emulsion to the finished surface when it is damp but free of standing water. The application rate of asphaltic emulsion must be from 0.13 to 0.25 gal/sq yd. Do not water after applying asphaltic emulsion.
Emulsion shall be broken and sanded prior to opening to traffic.
D. Schedule operations to assure opening to traffic by 5 PM with emulsion seal in place and sanded as required. Do not open to traffic without authorization.
E. During the period from 48 to 72 hours after compaction, microcrack the surface by applying 3 single passes with a 12-ton vibratory steel drum roller at maximum amplitude travelling from 2 to 3 mph.
F. Maintain the FDR—cement surface free of ruts, bumps, indentations, raveling, and segregation. Repair damaged FDR—cement material with minor HMA.
Correct any raveled areas with hot mix asphalt immediately. Sweep any loose material. Repair emulsion seal including resanding immediately.
G. Take cores to determine the finished FDR—cement thickness before placing HMA.
If a core indicates FDR—cement thickness is less than the specified thickness by more than 0.05 foot, core in the vicinity of the noncompliant core to determine the extent of the deficient thickness. Remove the FDR—cement material deficient in thickness by cold planing to a depth of 0.2 foot below the finished FDR—cement grade. Replace the planed FDR—cement with the HMA specified for the project and compact. An alternative to correcting deficient thickness is to cold plane twice the deficient thickness and replace with HMA.
H. Immediately before placing HMA, sweep to remove all loose debris and sand.
Remove all temporary transitions. Apply asphaltic emulsion at a rate from 0.03 to
0.05 percent residual binder content. Do not place HMA until authorized. 707-4 PAYMENT
A. FDR-Cement shall be paid on a square foot of installed area as field measured upon completion of the work. Payment shall include, but not limited to, grade control, all costs including pulverizing, providing cement and water, mixing, compacting, trimming to required tolerances, correction of any deficiencies, finishing, emulsion seal coat, maintenance and temporary transitions.
708 COLD PLANING
708-1 GENERAL
708-1.1 SUMMARY
A. Includes But Not Limited To
1. Cold planning existing asphalt concrete for transitions and conforms.
2. Removal of digouts and repair areas.
3. The pavement to be cold planed may contain pavement fabric.
708-1.2 PROJECT CONDITIONS
Section F Page 137 BID NO. 23-02
A. Project Environmental Requirements
1. Do not cold plane when precipitation is imminent.
708-2 PRODUCTS - NOT USED
708-3 EXECUTION
708-3.1 EXAMINATION
A. Contractor shall visit the site to:
1. Identify all utility surface features such as utility covers are clearly visible to work crews. Protect per these special provisions.
708-3.2 PREPARATION
A. Layout transitions, conforms and milling limits for Owner to review prior to proceeding with the work.
B. Protect utility facilities prior to reducing pavement thickness by cold milling. 708-3.3 EQUIPMENT
A. Cold planer shall be equipped with automatic controls and sensing devices. Cold planers shall produce finished surface within 0.02 foot tolerance.
B. Equipment shall be capable of cold planing concrete.
C. Contractor shall maintain equipment by changing teeth as often as necessary to provide a smooth surface which meets the required tolerance.
D. Cold planers shall be equipped with water spray devices to prevent the creation of dust.
E. Cold planing equipment shall not be cleaned on site using water application unless specific measures for such cleaning have been addressed in the project storm water protection plan.
708-3.4 APPLICATION
A. General
1. Prevent damage to gutter lips, curbs or other facilities while cold planing.
If necessary, use hand removal methods.
2. The Contractor shall provide grade control for the milling operation to assure that the final elevations provided to the Contractor by the Engineer are met within tolerance.
3. Provide small grinding equipment or removal equipment around utility facilities to be protected.
B. Transitions
1. Cold plane to width and depth as indicated on project plans and details.
2. For full-depth transitions, cold planing may extend below existing asphalt pavement section into underlying base material to meet depth requirement. .
C. Dust Control
1. Cold planers and sweepers shall maintain spray application to prevent dust at all times.
2. Hand work areas shall use hand sprayers or other means to control dust.
3. Dust control measures shall not create ponding of applied water on the pavement or runoff into the gutters or storm drain system.
E. Finishing
Section F Page 138 BID NO. 23-02
1. Remove remaining material between grinding edge and concrete surface edge (gutter, swale, sidewalk, etc.). Remove high areas inaccessible to cold planer by jack hammer or other means.
2. Patch gouges or low areas by tack coating and filling with hot-mix asphalt.
HMA shall be compacted using hand tamps or other means prior to the surface temperature of the patch falling below 250⁰F. Patching is not required if the area will be covered by a leveling course of HMA.
F. Temporary Transitions
1. Temporary transitions shall be placed prior to opening to traffic.
2. The temporary transitions shall be constructed of either hot mix or cold mix AC and shall be a minimum of 4 feet wide into driveways and 10-foot length at the conform at the South City Limits and at all legs of the intersection at Peckham Court.
708-3.5 TOLERANCES
A. Cold plane to limits and depths as follows:
Vertical: +/-0.02 feet
Horizontal: +/- 0.2 feet
Adjacent Passes: 0.02 maximum variance
Variance from Plane: 0.01' high to 0.05' low
(Using String line)
B. Correct any high areas by cold planing.
708-3.6 CLEANING
A. Sweepers shall have dust suppression spray equipment working at all times.
B. Remove all grindings and debris immediately.
C. Clean pavement by power sweeping. Areas inaccessible to power brooms shall be cleaned using hand brooms or power blowers. If power blowers are used, prevent damage to vehicles, landscaping and any other facilities. Repair any damage to property owner’s satisfaction.
D. Continue daily sweeping and cleaning until pavement restored.
E. Clean drop inlet protections at the end of completion of cold planing. Retain inlet protections in place until paving is completed.
708-4 PAYMENT
A. The contract unit prices indicated in the bid schedule shall apply to this work.
B. Contractor shall supply documentation of lineal or area measurements 709 HOT MIX ASPHALT (HMA)
709-1 GENERAL
709-1.1 SUMMARY
A. Includes But Not Limited To
1. Prepare pavement sub-grade to receive paving.
2. Furnish and install hot-mix asphalt for pavement repairs, leveling course and surface course.
Section F Page 139 BID NO. 23-02
3. Complete HMA Paving as provided in Section 39 of 2010 Caltrans Standard Specifications, Section 39- 1 General, Section 39-2 Standard Construction, and Section 39-Method Construction Process and as amended herein.
709-1.2 REFERENCES
A. Abbreviations and Acronyms
1 HMA – Hot Mix Asphalt
2. JMF – Job Mix Formula
3. QA – Quality Assurance Inspection and/or testing by Owner
4. QC – Quality Control Inspection and/or testing by Contractor
5. RAP – Reclaimed Asphalt Pavement
B. Reference Standards
1. ASTM - American Society of Testing and Materials or ASTM International
2. CT – Caltrans Test
3. 2010 Caltrans Standard Specifications Section 39
4. AASHTO – American Association of State Highway and Transportation Officials
709-1.3 ADMINISTRATIVE REQUIREMENTS
A. Pre-installation Meeting
1. Contractor shall schedule a pre paving meeting no more than 5 working days nor less than 2 working day prior to first paving day.
2. Attendees at the pre paving meeting shall include but not be limited to:
a. Owner’s Representative
b. Contractor’s paving foreman
c. Paving fabric installer (if applicable)
d. QA Representative
e. QC Representative
f. Other pavement users or affected parties as applicable.
B. Sequencing
1. Contractor shall sequence the work to minimize cold joints.
2. Contractor shall sequence the work to prevent paving operations damaging new pavement.
3. Contractor shall not commence paving until all Storm Water protection BMPs have been installed.
4. Parking areas shall be paved concurrently with through lanes
709-1.4 SUBMITTALS
A. HMA JMFs
1. Submit a JMF for each mix to be used. JMF shall be submitted on Caltrans CEM 3511 and CEM 3512 forms. If JMF is verified by Caltrans, submit CEM 3513
B. Paving Grids/ Fabric/ Mats
1. Provide manufacturers product information sheets of material to be used which demonstrate compliance with project specifications.
C. Contractor QC Plan
1. Provide QC Plan indicating compliance with requirements herein. QC Plan shall include the following as a minimum:
Section F Page 140 BID NO. 23-02
a. QC Manager and Organization Chart
b. AMRL and Caltrans Laboratory Certifications
c. Field Personnel Resumes and Certifications
d. Sample and Testing Log
e. Sample Reports and Labels
f. Action Plan for non-complying work or materials
g. Random Sampling Plan for materials testing and compaction testing
2. Nominate Third Party Testing Laboratory.
709-1.5 CLOSEOUT SUBMITTALS
A. Delivery Tickets
1. Submit delivery tickets for all mix used on the project at the end of each paving day. Tickets shall be organized by mix type and in sequential date order for that mix type.
B. Testing Reports
1. Provide test results for HMA materials and installation as required herein.
2. Manufacturers product information sheets of material to be used which demonstrate compliance with project specifications.
709-1.6 QUALTIY ASSURANCE
A. Quality Assurance Inspection and/or Testing.
1. City may, at their option, have independent quality assurance inspection and testing.
a. Inspections may be made during or after the work.
b. QA Inspection and testing is for the sole purpose of providing the Owner a greater degree of assurance that the requirements of the contract have been met. QA inspection and testing does not relieve the Contractor of any responsibility to comply with or perform in accordance with the Contract documents.
2. All HMA testing laboratories shall be AMRL and Caltrans certified.
B. QC/QA Coordination
1. If QA compaction testing utilizing a nuclear gauge is to be used, Contractor shall coordinate gauge correlation testing with QA testing personnel during production startup on the first paving day.
C. QC/QA Sampling
1. The Contractor shall perform all sampling at both the plant and jobsite. The contractor shall provide qualified personnel for this sampling. Sample sizes shall meet the following minimums in size:
Sample
Type
Sample Description Sample Size
(min)
Container
Aggregate Hot Bin Samples 25 pounds Bag
Supplemental Fine
Aggregate
5 pounds Bag
RAP Stockpile 25 pounds Bag
Combined Belt Sample 50 pounds Bag
Binder 2 Quarts Quart Metal
Cans
Section F Page 141 BID NO. 23-02
2. Contractor shall split and label all samples. Label Samples with the following information:
a. Project Name
b. Supplier and Plant
c. Date, Time, Tonnage Lot (if applicable) & Temperature (if applicable) d. Material Description (Aggregate source, binder type, mix type) e. Continuously maintain a sampling log which includes all of the information indicated above. Provide access to log during progress of the work and a completed copy of the sample log at the completion of work.
3. Contractor shall have QA samples transported to the jobsite or elsewhere if agreed upon by City representative.
D. Dispute Resolution
1. If the QC and QA test results differ on determining compliance, the Contractor can dispute the test results. The third parties shall use remaining test samples or determination of test results if practicable. Third party test results shall govern.
Party losing dispute pays cost of third party testing.
709-1.7 PROJECT CONDITIONS
A. Project Environmental Requirements
1. Do not perform work during following conditions:
a. Ambient, base, or pavement temperature below 50 degrees F. b. Presence of free surface water or damp pavement.
c. Unstable grade as demonstrated by proof rolling with a minimum of a 10 wheeler truck.
d. Over-saturated base and sub-base materials.
709-2 PRODUCTS
709-2.1 MATERIALS
A. Tack Coat
1. Tack coat on existing or new pavements shall be utilized and will be emulsified asphalt Grade RS-1, RS-1h, SS-1, or SS-1h and shall conform to Section 94, ‘Asphaltic Emulsions’, of the Standard Specifications.
2. Paving binder shall not be used as a tack coat for other than geotextile paving fabrics and or mats.
3. Tack coat for geotextile paving fabric shall be PG70-10.
B. Pavement Reinforcement Mat
1. Conform to Section 88-1.02K Paving Mat of the 2010 Caltrans Standard Specifications.
Hot Mix 4 boxes 4”x8”x8”
Section F Page 142 BID NO. 23-02
C. Mixes
1. The HMA shall be ½” Type A HMA in accordance with the current Caltrans Standard Specifications with the following modifications:
a. The mix shall contain 25% reclaimed asphalt pavement (RAP). b. The binder shall be PG 64-16. No binder bump shall be allowed. A JMF with a binder bump shall be acceptable without further testing. c. Binder content shall be adjusted to 3.5% air voids.
709-2.2 CONTRACTOR QUALITY CONTROL
A. Perform the following QC Testing:
Quality
Characteristic
Frequency Test Results Due
Aggregate Gradation Production Startup
and every 750 tons
Prior to 4 PM on
the day following
paving
Sand Equivalent
Asphalt Binder Content
HMA moisture content
Aggregate moisture content
at continuous mixing plants and
RAP moisture content at
Continuous mixing plants and
batch mixing plants.
Percent of maximum theoretical
density (nuclear gauge per CT
375)
Per Section 3.4.B.6
below
At end of work
shift
Maximum Theoretical Unit
Weight
1 per day By end of work
shift
Percent of maximum theoretical
density (cores)
Production Startup
and as needed
Prior to 4 PM on
the day following
paving
Air void content Production Startup 3 working days
Stability value from sample date
Percent Crushed Particles
LA Rattler
Flat and elongated particles
Fine aggregate angularity
Voids filled with asphalt
Voids in mineral aggregate
Dust proportion
709-3 EXECUTION
709-3.1 EXAMINATION
Section F Page 143 BID NO. 23-02
A. Contractor shall visit the site to:
1. Verify that all underground utilities and facilities are complete required including testing.
2. Verify that underlying aggregate base and or native soil subgrade has been properly prepared and tested.
3. Verify that paving subgrade is firm and unyielding.
4. Verify Sub-Grade is 0.00 inches high. Measure using string line from curb to curb, gutter, flat drainage structure, or grade break.
5. Verify ADA compliance at paving subgrade
a. All grades within ADA travel paths at the subgrade level are below 2.0% maximum slope cross slope and not greater than 5.0% in longitudinal grade.
b. Verify that all grades within the ADA parking and unloading zones are below 2.0% maximum slope in any direction.
B. Examine landscaping and tree canopies for potential damage due to paving operations
1. Contact City 48 hours in advance if any tree limbs need removal. City will perform work.
C. Notify City representative of any non-compliance issues. Do not pave until issues resolved or directed in writing to proceed.
709-3.2 PREPARATION
A. Protect existing facilities
1. Existing landscaping including ground cover, shrubs and tree limbs.
2. Existing buildings and structures
3. Protect storm drain systems
4. Do not clean or wash equipment onsite
5. Place protective covers over existing pavement or paving subgrade under all motorized paving equipment.
B. Leveling Course Layout
1. Using the surface model used for cold planning, layout leveling course in the same manner and density. Allow 1 day during the day for review prior to placing leveling course.
2. Verify elevations of finished leveling course using the surface model used for cold planning. Surface of leveling course should comply with grades to within +/- 0.03 feet. Correct high areas by cold planning. Correct low areas by skin patching with No. 4 HMA.
.
709-3.3 APPLICATION
A. Site Tolerances
1. Apply HMA paving in single lift up to 3 inches thick minimum after compaction, except where shown thicker on Drawings. Paving thicker than 3 inches may be applied in two or more lifts with a minimum lift thickness of 1-3/4 inches thick.
2. Paving adjacent to cast-in-place concrete site elements shall be between 1/4 inch higher than concrete and flush with concrete.
3. Thicknesses
a. Average pavement thickness shall equal design thickness b. For total HMA thicknesses less than 4 inches in thickness, the minimum thickness shall be minus ¼ inch from the design thickness.
Section F Page 144 BID NO. 23-02
c. For total HMA thickness 4 inches and greater, the minimum thickness shall be minus ½ inch from the design thickness.
B. Tack Coat
1. Tack coat shall be applied to every vertical face of concrete to be paved against. including gutters and swales.
2. Protect concrete above paving line with masking or shield. Clean all tack coat on concrete more than 1 inch above pavement surface.
3. Brush application allowed
4. Tack coat application shall be reapplied between paving layers if tack coat application becomes damaged due to scraping by equipment or dust.
C. Digouts
1. All of the digouts may be paved and compacted in a single lift.
2. A self-propelled paver is not required.
D. Pavement Reinforcement Mat
1. Install in accordance with manufacturer’s application guide.
2. Do not install more grid than can be covered with HMA paving work shift.
E. HMA Installation
1. Use self-propelled laydown machine for all surface courses. Base courses for dig outs or stabilization areas may be placed with a grader or skip loader.
2. Heat joints if laid more than 3 hours previously.
3. Compaction – Leveling Course
a. Comply with Method Construction Process requirements for passes, equipment type and temperatures
b. Pneumatic tired roller with full time operator required. c. Only one steel wheel roller with full time operator required.
4. Compaction – Base R&R and Surface Course
a. Compact HMA to a lot average of 92.0% to 96.0% of Theoretical Maximum Density per AASHTO T209.
b. Compact HMA to individual locations to 91.0% to 97.0% of Theoretical Maximum Density per AASHTO T209.
c. Compact handwork areas simultaneously with breakdown rolling.
Compact with hand tamps, vibraplates or other means that will provide density and a smooth surface. Failure to keep hand compaction areas concurrent with breakdown rolling shall be cause to stop paving until handwork compaction catches up to breakdown rolling.
d. Roll with powered equipment capable of obtaining specified density and smoothness.
e. Execute compaction so visibility of joints is minimized. Complete finish rolling to improve asphalt surface as soon as possible after intermediate rolling and while HMA is above 140 ⁰F surface temperature.
5. Finish
a. Surface shall be uniform with no 'birdbaths'. Leave finished surfaces clean and smooth. Variations from specified grades shall not exceed 1/4 inch (0.02 feet). When tested with 10 foot straight edge, surface of complete work shall not contain irregularities in excess of 1/4 inch. b. Completed surface shall match the texture of the machine laid mat. Areas worked by raking shall have coarse aggregate removed rather than pushed back onto the mat. Any areas of coarse or segregated surface shall be remedied immediately and prior to finish rolling. Failure to comply with Section F Page 145 BID NO. 23-02
this provision shall cause all paving to stop until mat surface corrections are performed.
709-3.4 CONTRACTOR QUALITY CONTROL
A. Materials Quality Control Testing
B. Contractor shall perform testing as outlined in the Contractor Quality Control Plan submitted under Section 1.5 C, “Contractors QC Plan”.
C. Contractor shall perform all testing for materials indicated in Section 2.2 “Source Quality Control” of these specifications.
D. Density Quality Control
1. Divide pavement area into lots in accordance with the following guidelines
2. Each lot not to represent more than 500 tons or 45,000 sf, whichever is less.
3. Each lot must be homogeneous relative to placement time and methods. Different streets or separated areas shall be considered separate lots for the purposes of compaction testing.
4. Correlate gauge using a minimum of 5 cores on first paving day. Core correlation will not be required if 1) the QC and QA gauges are within 0.5% of each other on the average of 5 locations and 2) both QC and QA gauges indicate test results within the range of 92.5% to 95.5% of Theoretical Maximum Density based on the JMF Rice Gravity.
5. Daily Rice Gravity tests shall be used to determine compaction. If Rice Gravity results vary more than 0.03 gm/cc on a daily basis, use a moving average of 5 and recomputed density results
6. Test each lot using randomly determined locations per CT 375 or ASTM D3665. a. Minimum of 3 tests per lot
b. One nuclear gauge per 50 tons
7. If nuclear gauge test results determine noncompliance, Contractor may choose to have in place density verified by cores. Cores will be taken at the rate of 1 per 100 tons. Cores will be taken by Contractor and tested by QA laboratory. Take cores in presence of Owner’s representative. Cost of coring shall be borne by Contractor and cost of core testing by Owner. For lot average determination, a minimum of three cores shall be taken. For individual sites, a single core may be taken. Reduced payment will be determined by cores if cores are taken.
E. Quality Control Reporting
1. If QC Reports indicate non-compliance, paving may continue till the end of the day. Paving shall not be resumed until acceptable changes have been made to either the materials quality or contractor’s placement and compaction operations to assure future compliance with requirements.
2. Failure to supply QC Reports as indicated will be cause for withholding payment for the work until such reports are submitted and evaluated. 709-3.5 PROTECTION
A. Protect completed pavement from damage
1. Equipment and material storage.
2. Fuels or solvents of any kind
3. Staining from landscape material storage, installation or runoff. 709-4 PAYMENT
Section F Page 146 BID NO. 23-02
A. Unit Prices
1. The contract unit prices indicated in the bid schedule shall apply to this work.
B. Measurement and Payment
1. If paid by tonnage, the Contractor shall supply delivery tickets for each load of HMA delivered to the jobsite at the end of each work day.
2. If paid by the unit area of paving, Contractor shall supply documentation of area measurements.
3. Tonnage payment includes HMA used for miscellaneous area paving and HMA Dikes.
C. Payment for Pavement Fabric
1. If pavement fabric is paid by the unit area measurement, the payment area is limited to the actual applied area of the fabric excluding joints and laps.
D. Reduced Payment for HMA Density
1. Reduced payment shall be made on HMA which does not meet the requirements of Section 2.3.C.6 “Compaction” herein. The reduced payment schedule is based on both individual test locations and lot averages. The reduced payment schedule is as follows:
Section F Page 147 BID NO. 23-02
Reduced Payment Factors for Percent of Maximum Theoretical Density
Percent of Maximum
Theoretical Density
Reduced
Payment
Factor
Maximum
Theoretical Density
Reduced
Payment
Lot Factor
Average
Individual
Test
Result
Lot
Averag
e
Individua
l Test
Result
92.0 91.0 0.0000 96.0 97.0 0.0000
91.9 90.9 0.0125 96.1 97.1 0.0125
91.8 90.8 0.0250 96.2 97.2 0.0250
91.7 90.7 0.0375 96.3 97.3 0.0375
91.6 90.6 0.0500 96.4 97.4 0.0500
91.5 90.5 0.0625 96.5 97.5 0.0625
91.4 90.4 0.0750 96.6 97.6 0.0750
91.3 90.3 0.0875 96.7 97.7 0.0875
91.2 90.2 0.1000 96.8 97.8 0.1000
91.1 90.1 0.1125 96.9 97.9 0.1125
91.0 90.0 0.1250 97.0 98.0 0.1250
90.9 89.9 0.1375 97.1 98.1 0.1375
90.8 89.8 0.1500 97.2 98.2 0.1500
90.7 89.7 0.1625 97.3 98.3 0.1625
90.6 89.6 0.1750 97.4 98.4 0.1750
90.5 89.5 0.1875 97.5 98.5 0.1875
90.4 89.4 0.2000 97.6 98.6 0.2000
90.3 89.3 0.2125 97.7 98.7 0.2125
90.2 89.3 0.2250 97.8 98.8 0.2250
90.1 89.2 0.2375 97.9 98.9 0.2375
90.0 89.0 0.2500 98.0 99.0 0.2500
< 90.0 <89.0 Remove
and
Replace > 98.0 >99.0
Remove
and
Replace
E. There shall not be an adjustment of contract unit prices due to adjustments in the asphalt price index.
710 UTILITY ADJUSTMENT
710-1 GENERAL
710-1.1 SUMMARY
A. Includes But Not Limited To
1. Adjusting Utility Covers and Boxes in Pavement Area
2. Adjusting Utility Covers and Boxes in Sidewalk Area
3. Lowering Utility Covers and Boxes prior to Cold Planning B. Work shall be governed by City of Lakeport Standard Plans Section F Page 148 BID NO. 23-02
710-2 PRODUCTS
A. Boxes, Valve Covers and Vaults
1. All new boxes shall be used in accordance with the applicable Special provision and project plans.
2. All Manhole Frames and Grates shall be new
B. Concrete
1. Concrete for adjusting utilities shall be as follows:
a. 7 sack mix
b. 1 Inch max aggregate
c. 1 lb. of lamp black color per cubic yard when in the roadway.
d. 4 inch maximum slump
e. Commercially batched
710-3 EXECUTION
A. Preparation
1. Prior to cold planning, all utilities will be lowered below grade including areas of additional pavement removal.
2. Manholes and valves shall be protected with adequate coverings to prevent damage.
B. Excavation
1. Location shall be referenced prior to lowering.
2. The completed cutout shall be circular in nature. The circle shall be concentric with the utility to be raised. The Contractor shall carefully layout the border of the excavation such that no residual markings will be evident after cutting.
3. The concrete collar dimensions shall be as follows +/- 1 inch:
a. Manholes – 12 inches beyond edge for frame
b. Valve Boxes, Cleanouts and Rodding Inlets – 6 inches beyond edge of box.
c. All collars shall have a 12-inch depth.
4. The variance from the surface of the completed work shall be 0.01 feet in the direction of travel and 0.02 feet traverse to the direction of travel.
5. The completed concrete collar shall be protected until cured. If placed within 6 hours of street opening, the location shall be steel plated.
6. Any markings, tire damage or other visual discontinuity shall be cause to have the work completely redone.
7. During work on sewer and storm drain manholes, the manholes shall be protected from any debris entering the sewer and storm drain system by placing a false bottom made of plywood over the pipe. Over the plywood shall be placed a fabric catchment constructed such that any debris which enters the manhole may be removed with the removal of the catchment without spillage into to system.
8. Failure to protect sewer and storm drain lines from debris will cause the City to clean the associated manholes and pipelines at the Contractor’s expense. The minimum charge will be $2,000.
C. Collar Construction
1. The collar concrete shall be placed within 2 hours of concrete batching.
Section F Page 149 BID NO. 23-02
2. The top of the collar shall be finished with a steel trowel and receive a medium broom finish. The brooming shall be circular in nature and follow the edges of the collar.
3. Finish surface shall be within tolerances and protected per above.
4. The interior of storm drain and sewer manholes shall have the space between the frame and cone grouted solid per Standard Details.
D. Cleaning
1. After completion of adjusting and grouting of manholes, the protective measures required herein shall be removed.
2. Any damaged portion of the interior of any manholes shall be repaired to the City’s satisfaction.
3. A cement, pavement or other contaminant shall be completely removed from frames, grates and lids.
4. Water valve risers shall be cleaned such that the entire valve nut is exposed.
710-4 PAYMENT
A. Payment shall be as indicated in bid schedule and these special provisions. 711 PAVEMENT MARKINGS
711-1 GENERAL
711-1.1 SUMMARY
A. Includes But Not Limited To
1. Furnish material and apply pavement and curb markings as described in Contract Documents.
2. Remove existing pavement markings in areas which will conflict with new striping layout beyond the paving limits.
3. Thermoplastic traffic stripes and pavement markings shall consist of a single uniform layer of thermoplastic and layer of bonded core elements and a layer of glass beads.
4. Reflective markers shall be Type D.
5. Painting Red Curb markings
B. Related Sections
1. Work shall comply with Section 84 of the 2010 Caltrans Standard Specifications
2. Work shall comply with the latest addition of the California Manual of Uniform Traffic Devices (CAMUTCD)
711-1.2 SUBMITTALS
A. Paint Datasheets and Certificates of Compliance
B. Thermoplastic Datasheets and Certificates of Compliance C. Glass Bead Data Sheets and Certificates of Compliance D. 3M Bonded Core Data Sheet
Section F Page 150 BID NO. 23-02
E. Red and Green Paint for Curbs
F. Reflective Markers
711-1.3 PROJECT CONDITIONS
A. Project Environmental Requirements
1. Apply only on dry surfaces, during favorable weather, and when damage by rain, fog, or condensation not anticipated.
2. Provide temporary pavement markings whenever throughout project duration until final pavement markings are installed.
3. Allow HMA to cure a minimum of 7 days and a maximum of 14 days prior to application.
711-2 PRODUCTS
A. All pavement markings shall be thermoplastic.
B. All Materials shall comply with the requirements of Section 84 and 85 of the 2010 Caltrans Standard Specifications and these Special Provisions.
C. All thermoplastic shall be alkyd thermoplastic.
D. Glass Beads shall comply with AASHTO M247 Type 2.
E. Alkyd Paint per Section 84 and 85 of the Standard Specifications 711-3 EXECUTION
711-3.1 PREPARATION
A. Surfaces shall be dry and free of grease and loose dirt particles B. Layout all pavement markings per plan and in accordance with Section 84.
Layout markings shall be kept to a minimum.
C. Allow 4 working days for City review. Make any changes as provided during review.
711-3.2 APPLICATION
A. Install per Section 84 and these Special Provisions
B. Thicknesses
1. Stripes -0.100 inches minimum
2. Legends and Markings – 0.125 inches
C. Bonded Core Elements
1. 1st layer shall be 3M Bonded Core All Weather Reflective Elements for use in thermoplastic traffic stripes and markings.
2. Color of bonded core elements shall match color of stripe or marking.
3. Application rate shall be 6.6 pounds per 100 square feet.
D. Glass Beads
1. Apply as second layer.
2. Application rate of 14.4 pounds per square foot.
E. Minimum Initial Retro Reflectivity Values
White Yellow
Section F Page 151 BID NO. 23-02
Dry (ASTM E1710) 700 500
Wet recovery (ASTM
E2177)
280 250
Wet continuous (ASTM
E2176)
90 75
711-3.3 CLEANING
A. Remove drips, overspray, improper markings, and thermoplastic or paint material tracked by traffic by sand blasting, wire brushing, or other method approved by Owner’s Agent prior to performance.
711-4 PAYMENT
A. All pavement markings shall be paid at the unit price itemized in the bid schedule.
Section F Page 152 BID NO. 23-02
SECTION G
ATTACHMENTS
GSL PAVEMENT REHABILITATION
BID NO. 23-02
IN THE CITY OF LAKEPORT, CALIFORNIA
ATTACHMENT 1
Soil Testing Report 1 PAGE
ATTACHMENT 2
City of Lakeport Standard Details 12 PAGES
205 Curb, Gutter & Sidewalk
209 Concrete Construction Notes and Jointing Details
219 City Monument
302 Sanitary Manhole Retrofit Construction
501A Adjusting Utility Boxes
Caltrans Standard Plans
A20A-A24H – Pavement Markers, Traffic Lines and Pavement Markings A87B – Hot Mix Asphalt Dikes
A88A & B – Curb Ramp Details
18 PAGES
Section G Page 153 BID NO. 23-02
Compressive Strength Testing
(ASTM D1633/ASTM D5102)
Project No.: 220139 Client: 3% Lime, 5% Lime, 3% Cement, 5% Cement Project Name: City of Lakeport FDR Treatment Testing Street: 1.5% Cement / 1.5% Lime, 2.5% Cement / 2.5% Lime Specimen ID Dry Density (lbs/cu.ft) Moisture Content % Compaction 7 Day UCS (psi) 28 DAY UCS (psi) Specimen ID Dry Density (lbs/cu.ft) Moisture Content % Compaction 7 Day UCS (psi) 28 DAY UCS (psi) A 127.8 8.0 95% 171 A 127.1 7.9 95% 193
B 129.2 8.0 96% 168 B 127.8 7.9 95% 189
C 130.0 8.0 96% 181 C 127.6 7.9 95% 188
D 128.6 8.0 95% 262 D 128.2 7.9 96% 221
E 129.3 8.0 96% 257 E 128.1 7.9 96% 242
F 127.6 8.0 95% 279 F 127.9 7.9 95% 248
Specimen ID Dry Density (lbs/cu.ft) Moisture Content % Compaction 7 Day UCS (psi) 28 DAY UCS (psi) Specimen ID Dry Density (lbs/cu.ft) Moisture Content % Compaction 7 Day UCS (psi) 28 DAY UCS (psi) A 128.5 7.6 94% 283 A 127.9 7.7 93% 433
B 129.3 7.6 94% 307 B 128.7 7.7 94% 449
C 129.4 7.6 94% 301 C 128.7 7.7 94% 458
D 129.1 7.6 94% 433 D 128.5 7.7 94% 710
E 130.2 7.6 95% 441 E 128.1 7.7 94% 693
F 128.6 7.6 94% 429 F 128.6 7.7 94% 698
Specimen ID Dry Density (lbs/cu.ft) Moisture Content % Compaction 7 Day UCS (psi) 28 DAY UCS (psi) Specimen ID Dry Density (lbs/cu.ft) Moisture Content % Compaction 7 Day UCS (psi) 28 DAY UCS (psi) A 126.8 7.7 94% 192 A 126.3 7.6 94% 193
B 127.1 7.7 94% 188 B 126.9 7.6 94% 198
C 126.5 7.7 93% 179 C 127.1 7.6 94% 207
D 127.3 7.7 94% 317 D 126.8 7.6 94% 297
E 127.2 7.7 94% 298 E 126.7 7.6 94% 318
F 126.9 7.7 94% 273 F 127.2 7.6 95% 322
City of Lakeport
Green Street Treatment Types:
3.0% Cement
1.5% Lime / 1.5% Cement
5.0% Lime
5.0% Cement
2.5% Lime / 2.5% Cement
3.0% Lime
ASTM D 1557 Maximum Dry Density and Optimum Moisture Contents ASTM D 1557 Maximum Dry Density and Optimum Moisture Contents 3% Lime 135.0 7.4 5% Lime 7.8
Treatment Max Dry Density (lbs/cu.ft.) Optimum Moisture (%) Treatment Max Dry Density (lbs/cu.ft.) Optimum Moisture (%) 3% Cement 137.2 7.5
1.5% Lime / 1.5% Cement 135.6 7.7
8.1 8.0
5% Cement
2.5% Lime / 2.5% Cement
134.1
136.8
134.5
Section G Page 154 BID NO. 23-02
A (See Table 1)
C (See Table 1)
1"
6"
6"
6"
MIN.
4" MIN.
6"
MIN.
R1/2"
R1" R1/2"
CLASS II AGG. BASE
COMPACTED SOIL UNCOMPACTED SOIL
DIMENSION
A
BC
EXISTING
MATCHMATCHMATCH
RESIDENTIAL
18"
5' (60")
1-1/4" MIN / 1-3/8" MAX.
ALL OTHERS
24"
8' (96") MINIMUM
1-5/8" MIN / 1-3/4" MAX.
TABLE NO. 1
PCC CURB
& GUTTER
STANDARD CURB & GUTTER
NTS
B OR B-6" IF ADJACENT
TO CURB (See Table 1) 3" MIN.
(TYP.)
PLANTER STRIP
(WIDTH VARIES)
3" MIN.
R1/2" 1.5%
PCC SIDEWALK
4" MIN.
6" MIN.
4" MIN.
ROADWAY
SECTION
STANDARD SIDEWALK
NTS
CLASS II AGG. BASE
COMPACTED SOIL
UNCOMPACTED SOIL
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: FEB 2018
205 CURB, GUTTER & SIDEWALK
Section G Page 155 BID NO. 23-02
A (See Table 1) B (See Table 1)
C (See Table 1)
1"
6"
6"
6"
MIN.
4" MIN.
6"
MIN.
4" MIN.
6" MIN.
4" MIN.
3" MIN.
1.5%
6" 6" 6"
R1/2"
R1"
R1/2"
R1/2"
SEE SAWED JOINT DETAIL
(STD. NO. 205) PCC SIDEWALK
CLASS II AGG. BASE
COMPACTED SOIL
UNCOMPACTED
SOIL (TYP.)
DIMENSION
A
BC
EXISTING
MATCHMATCHMATCH
RESIDENTIAL
18"
5' (60")
1-1/4" MIN / 1-3/8" MAX.
ALL OTHERS
24"
8' (96") MINIMUM
1-5/8" MIN / 1-3/4" MAX.
TABLE NO. 1
PCC CURB
& GUTTER
INTEGRAL CURB, GUTTER & SIDEWALK DETAIL
NTS
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: FEB 2018
205 CURB, GUTTER & SIDEWALK
Section G Page 156 BID NO. 23-02
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: FEB 2018
209
CONCRETE CONSTRUCTION NOTES
& JOINTING DETAILS
Section G Page 157 BID NO. 23-02
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: FEB 2018
209
CONCRETE CONSTRUCTION NOTES
& JOINTING DETAILS
Section G Page 158 BID NO. 23-02
R1/4" R1/2"
1/8"
1/8"
4"
SIDEWALK SCOREMARK (SM) CONTROL JOINT - 4" SIDEWALK (CJ-4) R1/2"
1/8"
6"
CONTROL JOINT - DRIVEWAYS,
SAWCUT
1-1/2" TO 2"
4"
CURB & GUTTER, CROSS-GUTTERS (CJ-6)
R1/2"
1/8" MIN.,
3/16" MAX.
X
(See Depth Table)
SAWCUT CENTERED
ON TOOLED JOINT
SAWN JOINT DETAIL
FINISHED
CONC. SURFACE
R1/2"
INTEGRAL CURB INTEGRAL SIDEWALK
INTEGRAL CURB @
SIDEWALK
GUTTER, CROSSGUTTER, DRIVEWAY
"X" DEPTH TABLE
2-3/4"
1-1/2"
3"
2"
LOCATION MIN. MAX.
CONTROL SCOREMARKS / CONTROL JOINTS
NTS
R1/2" (TYP.)
R1/2"
1/4"
VARIES
EXPANSION JOINT - 4" SIDEWALK (EJ)
1/4"
EXPANSION
JOINT MAT'L
1/4"x1/4" SLOT - FILL
W/JOINT SEALANT
1" MAX. 1/2" MAX.
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: FEB 2018
209
CONCRETE CONSTRUCTION NOTES
& JOINTING DETAILS
Section G Page 159 BID NO. 23-02
X
X
X
1/8" MIN. SAWCUT
@ FLOW LINE
14" SAW BLADE
DIAMETER
CONC. CURB & GUTTER
PER STD. PLAN NO. 205
SAWN CONTROL JOINT @ GUTTER DETAIL
NTS
DEPTH OF SAWN
JOINT (TYP.)
"X" = 1/2" MIN. TO 2" MAX.
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: FEB 2018
209
CONCRETE CONSTRUCTION NOTES
& JOINTING DETAILS
Section G Page 160 BID NO. 23-02
4' 4'
4' 4'
4' 4'
CURB FACE
BACK OF
SIDEWALK
8'
8'
COMMERCIAL/INDUSTRIAL JOINT SPACING
RESIDENTIAL JOINT SPACING
KEY
CJ-4 = CONTROL JOINT (4" DEPTH)
CJ-6 = CONTROL JOINT (6" DEPTH)
SM = SCORE MARK
NOTE: SEE STANDARD PLAN 209, SHEET NOS. 3 & 4
FOR JOINTING DEPTH DETAILS.
BACK OF
SIDEWALK
CURB FACE
5'
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: FEB 2018
209
CONCRETE CONSTRUCTION NOTES
& JOINTING DETAILS
Section G Page 161 BID NO. 23-02
STD. NO.
SCALE: NONE DRAWN: CFB CHK: MGK APPVD: DATE: JUN 2012
APPROVED MONUMENT COVERS:
NOTES:
Section G Page 162 BID NO. 23-02
STD. NO.
SCALE: NONE DRAWN: CFB CHK: MGK APPVD: DATE: JUN 2012
1. CONTRACTOR SHALL LET 12” 7 SACK CONCRETE COLLAR CURE FOR 24 HOURS PRIOR TO TRAFFIC LOADING. COVER MANHOLE WITH STEEL PLATE.
2. CONTRACTOR SHALL SUBMIT THE FOLLOWING IN ACCORDANCE WITH THE SPECIFICATIONS:
A. WORK PLAN – INCLUDES SCHEDULE, EQUIPMENT LIST, DEMOLITION/CONSTRUCTION PROCEDURE, TRAFFIC CONTROL.
B. HOT MIX ASPHALT PER SCSS CITY STANDARDS SECTION 39.
C. PORTLAND CEMENT CONCRETE PER SCSS CITY STANDARDS SECTION 40.
D. HDPE RING CUT SHEET.
E. TAPE PRODUCT DESCRIPTION.
F. FOAM PRODUCT DESCRIPTION.
3. CONTRACTOR SHALL BE LIABLE FOR ALL FALLEN DEBRIS IN THE SEWER MANHOLE FROM THEIR DEMOLITION ACTIVITY. IF CLOGGING OF SEWER SYSTEM OCCURS DUE
TO CONTRACTOR NEGLIGENCE, THE CONTRACTOR SHALL BE LIABLE TO ALL COSTS
THAT OCCURRED AND SHALL BE HELD FULLY RESPONSIBLE FOR SEWER BACK-UPS SUBSEQUENT COSTS.
GENERAL NOTES
Section G Page 163 BID NO. 23-02
STD. NO.
SCALE: NONE DRAWN: CFB CHK: MGK APPVD: DATE: JUN 2012
1. 2.
3. 4.
REMOVE AND
DISPOSE OF
MATERIAL
CONTRACTOR
SHALL PROTECT
CONE FROM
DEMOLITION
ACTIVITY AND
PREVENT DEBRIS
FROM FALLING
INTO MANHOLE.
CONTRACTOR
MUST REMOVE
FALLEN DEBRIS
THE SAME DAY AS
DEMOLITION
REMOVE AND
DISPOSE OF
OLD CONCRETE
RINGS
REMOVE AND
DISPOSE OF
MATERIAL
REMOVE FRAME &
COVER. DELIVER
COVER ONLY TO CITY
CORPORATION YARD
ON PALLET. DISPOSE OF
FRAME
PRECAUTIONS MUST BE TAKEN TO PREVENT DEBRIS FROM ENTERING THE MANHOLE DURING THE ENTIRE REMOVAL AND RECONSTRUCTION PROCESS.
A TEMPORARY PROTECTIVE SHEET OR PLATFORM SHALL BE INSTALLED INSIDE THE EXISTING
MANHOLE CONE SECTION TO PREVENT DEBRIS FROM DEMOLITION AND CONSTRUCTION FROM CLOGGING THE MANHOLE AND SEWER MAINS. REMOVE DEBRIS AND SHEET AFTER COMPLETION OF WORK.
CUT AND REMOVE THE ASPHALT PAVEMENT AROUND THE EXISTING MANHOLE CASTING.
DISPOSE OF THE ASPHALT.
REMOVE ALL ADJUSTING RINGS TO THE TOP OF THE CONCRETE CONE. DISPOSE OF THIS MATERIAL.
REMOVE ALL AGGREGATE AROUND THE MANHOLE THAT HAS BEEN EXPOSED BY THE ASPHALT REMOVAL AND DISPOSE OF THIS AGGREGATE. THE AGGREGATE MUST BE REMOVED TO A MINIMUM OF 6” BELOW THE LEVEL OF THE TOP OF THE CONCRETE CONE.
CLEAN AND INSPECT THE TOP SURFACE OF THE CONCRETE CONE. THE SURFACE SHOULD BE SMOOTH AND FREE OF BUMPS AND PITS THAT MAY PREVENT A GOOD WATER TIGHT SEAL.
GRIND THE SURFACE AS NEEDED TO REMOVE PROTRUSIONS. UTILIZE COMPRESSED AIR TO BLOW DUST AND DEBRIS FROM THE SURFACE AFTER GRINDING. UTILIZE A HYDRAULIC CEMENT, ACCORDING TO MANUFACTURER'S RECOMMENDATIONS, TO FILL IN DEPRESSIONS.
NOTES
5. 54"
6"
6. Section G Page 164 BID NO. 23-02
STD. NO.
SCALE: NONE DRAWN: CFB CHK: MGK APPVD: DATE: JUN 2012
24" MIN.
IMPROVED SURFACE
NOTES
(SEE NOTE 2)
(SEE NOTE 2)
TAPE & FOAM
(SEE NOTE 3)
(SEE NOTE 1)
FINISHED GRADE
(SEE NOTE 4)
MIN. OF ONE 3" GRADE ADJUSTMENT RING. DEPTH
VARIES
1. 2.
3. COMPLETED HOT MIX ASPHALT SHOULD MAKE A SMOOTH
TRANSITION FROM THE EXISTING PAVING TO THE
CASTING IN ALL DIRECTIONS.
4. INSTALL CONSTRUCTION FOAM BETWEEN THE BOTTOM
HDPE RING AND THE CONE AND THE TOP HDPE RING
AND THE MANHOLE FRAME. WRAP ALL HDPE RINGS
WITH 50 MIL 6 INCH WIDE CORROSION TAPE. EXTEND
CORROSION TAPE 3 INCHES BELOW THE LAST RING
ONTO THE CONE.
7 SACK CONCRETE COLLAR SHALL BE FLUSH WITH
FINISHED GRADE.
MANHOLE FRAME
AND COVER LABELED
"SANITARY SEWER"
(SEE STD. 303)
LEVEL WITH 1:3
HDPE SLOPE RING
1" MIN.
54"
6"
1"-4"HDPE
GRAD. RINGS
Section G Page 165 BID NO. 23-02
STD. NO.
SCALE: NONE DRAWN: MPW CHK: PRC APPVD: DATE: MAR 2023
& RAISING TO FINISH GRADE 501A
LOWERING WATER VALVE, CLEAN OUT, ETC.
Section G Page 166 BID NO. 23-02
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