27-04 2026 Capital Sidewalk Improvement Project.pdf
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- Solicitation number
- 27-04
- Issued by
- New London County, Connecticut
About this file
This is an Invitation for Bid (IFB 27-04) issued by the City of Norwich, Connecticut Department of Public Works for the 2026 Capital Improvement Sidewalk Program. The project involves the removal of existing sidewalk and installation of new concrete sidewalk, concrete driveway ramps, granite curbing, and miscellaneous items at seven locations throughout Norwich: 80 Boswell Avenue, 33 Spaulding Avenue, 54 Division Street, 46 Sholes Avenue, 171 Laurel Hill Avenue, 169 Laurel Hill Avenue, and 38 North Cliff Street. Major bid items include concrete sidewalk and ADA ramps (2,233.2 square feet), concrete driveway aprons (282.75 square feet), granite curbing (374.7 linear feet), detectable warning devices (one unit), concrete sealant (2,531 square feet), asphalt patching (13 square yards), loam and seed (19.9 square yards), valve box repair (8 units), and sign removal and replacement (2 units). Bids are due by 2:00 PM prevailing time on July 31, 2026, and must be submitted electronically through the City of Norwich Procurement Portal. No pre-bid conference is scheduled. Bidders are required to visit the project site and examine all specifications and drawings in advance of submitting bids. The contractor has 45 days from notification to proceed to complete the work, with a $100 per day penalty for each day beyond this deadline until substantial completion is reached. The project includes a one-year warranty period following final inspection and acceptance.
Bidders must submit 5% bid surety in the form of cash, certified check, or bid bond. The successful bidder must provide 100% performance and payment bonds, Comprehensive General Liability insurance with a $2,000,000 general aggregate limit and $2,000,000 per occurrence limit, Comprehensive Auto Liability coverage with a $1,000,000 combined single limit, and statutory Workmen's Compensation insurance within ten working days of contract award. Connecticut State Sales and Use Tax is not applicable to this contract and should not be included in bid prices. The City reserves the right to reject any and all bids in whole or part, to waive minor irregularities, and to award the contract to other than the low bidder if deemed in the City's best interest. All final awards are subject to compliance with the City of Norwich Code of Ordinances regarding delinquent tax setoff. The contractor must comply with prevailing wage requirements as defined in Public Act 93-392, submit weekly certified payroll and compliance statements, and adhere to all applicable federal, state, and local laws regarding non-discrimination in employment. Nonresident contractors are required to post a 5% cash or guarantee bond with the Connecticut Commissioner of Revenue Services as mandated by Connecticut General Statute Section 12-430(7).
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Text version
2026 Capital Improvement Sidewalk Program July 2026
CITY OF NORWICH
DEPARTMENT OF PUBLIC WORKS
CAPITAL IMPROVEMENT
SIDEWALK
PROJECT - 2026
BID # 27-04
JULY 2026
City of Norwich Department of Finance – Purchasing Agent Phone: (860)823-3706 100 Broadway, Room No. 105 Fax: (860)823-3812 Norwich, CT 06360 E-mail: kklein@cityofnorwich.org
Invitation for Bid
IFB 27-04
The Purchasing Agent, City of Norwich will receive proposals for 2026 Capital Improvement Sidewalk Program until 2:00 P.M. prevailing time on July 31, 2026 at which time they will be opened on the Procurement website and be available to view. All bids are to be submitted via the City of Norwich Procurement Portal at the following website:
City of Norwich Procurement Portal
The project documents may be downloaded from the following website:
City of Norwich Procurement Portal
Addenda, if any, will be posted on the website listed above. All bidders, prior to submitting their bids, should check the websites to ensure they have received all issued addenda.
The City of Norwich reserves the right to reject and all bids, in whole or in part, to waive minor irregularities in the bidding and to award the bid to other than the low bidder if deemed in the best interest of the City.
No Bidder may withdraw its bid within sixty (60) days of the bid opening date. Should there be reason why the contract cannot be awarded within the specified time, the time may be extended by mutual agreement between the City and the designated, qualified low bidder.
All final awards of the bid shall be in compliance with the City of Norwich Code of Ordinances §7-46 – Delinquent Tax Setoff Against Money Due Bidder or Contractor.
All bidders must submit bids/proposals through the City Procurement Portal.
Responding bidders must ensure that employees and applicants for employment are not discriminated against because of their race, color, religious creed, age, marital status, national origin, ancestry, sex, gender identity or expression, intellectual disability, mental disability or physical disability, including, but not limited to blindness, unless it is shown by such bidder that such disability prevents performance of the work involved.
Karl J. Klein Jr.
Purchasing Agent mailto:rcastronova@cityofnorwich.org https://norwichct.bonfirehub.com/portal/?tab=openOpportunities https://norwichct.bonfirehub.com/portal/?tab=openOpportunities Karl Klein Highlight
Karl Klein Highlight
BIDDER'S INSTRUCTIONS
IFB 27-04
2026 Capital Sidewalk Improvement
The following instructions and specifications shall be observed by all proposers:
Time and Place of Bid Opening Proposals will be received on July 31, 2026 at 2:00PM online at:
https://norwichct.bonfirehub.com/portal/?tab=openOpportunities Proposals will not be allowed after the time and date of the opening.
Pre-Bid Meeting None.
Availability of Documents Vendors are advised that all documents relative to this project are only available online at the following web address:
https://norwichct.bonfirehub.com/portal/?tab=openOpportunities
Addenda If additional information becomes available or changes are made to the documents, an addendum will be issued not later than 3 days prior to the opening date. All addenda shall become part of the Contract Documents.
It is incumbent on the Vendor to ensure that it has received all issued addenda by checking the websites listed above. Failure of any Vendor to receive any such addendum shall not relieve it of the obligations under its proposal.
Notice of any addendum will be posted on the following website:
https://norwichct.bonfirehub.com/portal/?tab=openOpportunities
Instructions Proposals must be submitted to the City of Norwich Procurement portal at:
https://norwichct.bonfirehub.com/portal/?tab=openOpportunities Proposals will not be accepted by mail, in person or by email.
All forms and associated documents must be uploaded through the procurement portal.
Sales and Use Tax Vendors are reminded that the Connecticut State Sales and Use Tax and associated Federal taxes are not applicable under this contract, and therefore these taxes are not to be included in the price.
Under the terms of Connecticut Agencies Regulations §12-426-18, Contractors and Subcontractors, the contractor may purchase materials and supplies as are to be installed or placed in projects being performed under these contracts and will remain in such projects after completion, including tangible personal property that remains tangible personal property after its installation or placement, without payment of the tax and shall not charge any such exempt organization or agency any sales or use tax thereon.
Definitions For the purposes of these documents:
The word “City” means the City of Norwich, CT.
The word “Proposer” or “Vendor” refers to the party or parties submitting a proposal to perform the work to be done or materials to be furnished under the Contract; the legal representatives of such party or parties.
Certificate in Good Standing Any corporation whose proposal is being considered for acceptance by the City may be required, if requested, to provide a “Certificate of Good Standing” from the Office of the Secretary of State for Connecticut.
https://norwichct.bonfirehub.com/portal/?tab=openOpportunities https://norwichct.bonfirehub.com/portal/?tab=openOpportunities https://norwichct.bonfirehub.com/portal/?tab=openOpportunities
Sales and Use Tax Bidders are reminded that the Connecticut State Sales and Use Tax and associated Federal taxes are not applicable under this contract, and therefore these taxes are not to be included in the bid price(s).
Under the terms of Connecticut Agencies Regulations §12-426-18, Contractors and Subcontractors, the contractor may purchase materials and supplies as are to be installed or placed in projects being performed under these contracts and will remain in such projects after completion, including tangible personal property that remains tangible personal property after its installation or placement, without payment of the tax and shall not charge any such exempt organization or agency any sales or use tax thereon.
Acceptance/Rejection of Proposals The City may reject proposals which are incomplete, conditional, obscure, contain additions not called for, erasures or corrections not initialed, or which contain alterations or irregularities of any kind. The City may rightfully waive informalities. Determination of the best interest of the City shall include consideration of active or pending civil litigation between the City and any firm (or its subcontractors or suppliers) submitting a proposal to the City.
Withdrawal of Proposal Submitted Any bid may be withdrawn prior to the designated date and time for receipt of proposals. Proposals may be withdrawn ninety (90) days after the opening if no award has been made by the City. If the City does not award a contract within ninety (90) days after the opening, all proposals will be null and void, except this time may be extended by mutual agreement of the City and the selected vendor.
Award Execution The firm whose proposal is accepted will be issued a “Notice of Award.” The Vendor will be required to execute the “Notice of Award,” and provide a certificate of insurance that meets the requirements in section 15 of the Standard Bid Contract Terms and Conditions, within ten working days from the date the Notice of Award is issued.
Freedom of Information All proposals shall be made available for public inspection, in accordance with the provisions of Connecticut General Statutes § 1-210, Freedom of Information. Copies of any information resulting from any proposal opening are generally not available until a contract has been awarded or a purchase order issued.
Non-Collusion The individual signing the proposal hereby declares that no person or persons other than members of its organization are interested in this proposal or in the contract proposed to be taken; that it is made without any connection to any other person or persons submitting a proposal for the same work and is in all respects fair and without collusion or fraud; that no person acting on behalf of or employed by the City of Norwich is directly or indirectly interested in the supplies or work to which they relate or will receive any part of the profit or any commission therefrom in any manner which is unethical or contrary to the best interests of the City of Norwich.
Contract Execution The firm(s) whose bid(s) has/have been accepted by the City will be required to furnish all insurance certificates in the amounts specified, within 5 days from the date of the notice of award. The firm(s) will also be required to furnish all performance and payment bonds to the City prior to contract signing.
The firm(s) whose bid is accepted will be required to execute a contract, in substantially the form included in the bid documents, on a date and time mutually agreed to by all parties. Once the contract is executed, the contractor(s) will be issued a Notice to Proceed.
Contracts valued at less than $25,000.00 may be executed directly via the issuance of a purchase order, at the discretion of the City.
City of Norwich Department of Public Works
2026 Capital Improvement Sidewalk Program
Bid # 27-04 This project involves the removal of existing sidewalk and installation of new concrete sidewalk, concrete driveway ramps, granite curbing, and miscellaneous other items at various locations in the City of Norwich. The Base Bid consists of the following locations on City streets as follows:
80 Boswell Avenue 33 Spaulding Avenue 54 Division Street 46 Sholes Avenue 171 Laurel Hill Avenue 169 Laurel Hill Avenue 38 North Cliff Street
Notes: The following items should be given consideration:
a. Detectable Warning Device– These warning strips are required at all handicap ramps, as detailed in the specifications. These will be paid for as a separate contract item.
b. Concrete for sidewalk and aprons will be Class ‘F’ – 4000 psi.
Estimated Quantities by Location
Address Sidewalk Driveway5" Granite CurbConcrete Curb DWD L&S Asphalt Patch Sealant Valve Box Signs
(SF) (SF) (LF) (LF) (EA) (SY) (SY) (SF) (EA) (EA)
80 Boswell Avenue 162.2 0 25 5 0 0 0 164.7 0 0 33 Spaulding Avenue 328 84.5 46.3 10 0 0 2 417.5 2 1 54 Divison Street 505 0 80 5 1 8.7 0 507.5 0 0 46 Sholes Avenue 170.5 0 33.6 5 0 11.2 0 173 0 0 171 Laurel Hill Avenue 253 90 46.7 0 0 0 4 343 4 0 169 Laurel Hill Avenue 255.2 0 47.1 0 0 0 0 255.2 0 0 38 North Cliff Street 559.3 108.25 96 5 0 0 7 670.05 2 1
Total 2233.2 282.75 374.7 30 1 19.9 13 2530.95 8 2
2026 Capital Improvement Sidewalk Program
BID NO. 27-04
BID FORM
EST. UNIT
ITEM DESCRIPTION UNIT QTY PRICE AMOUNT
1. Maintenance & Protection LS 1 _______ _________ of traffic.
2. Concrete Sidewalk and SF 2,233.2 _______ _________ ADA Ramp
3. Detectable Warning Device EA 1 _______ _________
4. Concrete Driveway Apron SF 282.75 _______ _________
5. Granite Curbing 5” x 18” LF 374.7 _______ _________
6. Cast in Place Concrete Curb LF 30 _______ _________
7. Asphalt Patch (transition areas) SY 13 _______ _________
8. Furnish & Place Loam & Seed SY 19.9 _______ _________
9. Concrete Sealant SF 2,531 _______ _________
10. Valve Box Repair EA 8 _______ _________
11. Remove and Replace Signs EA 2 _______ _________
12. Reset Catch Basin Tops EA 1 _______ _________
TOTAL _________
Total written: _________________________________________________________________
I/WE agree to perform the above noted work in accordance with the plans and specifications at the unit prices quoted above.
Contractor Signature
Date Contractor’s Name (Printed)
CITY OF NORWICH, CONNECTICUT
NON-COLLUSION CERTIFICATION
The undersigned certifies under penalty of false statement that this proposal or contract has been made, submitted and executed in good faith and without collusion or fraud with any other person, and without any agreement designed to limit independent bidding or competition. As used in this certification, the word person shall mean any natural person, business, partnership, corporation, union, committee, club or other organization, entity or group of individuals.
The undersigned further certifies that it has not provided or directed to be provided gifts, meals or gratuities, as defined in Section 2-54(c) of the City of Norwich Code of Ordinances, to any official or employee of the City of Norwich responsible for awarding of this bid or contract.
Please complete and sign
Legal Name of Bidder:
Business Address:
Name of Authorized Agent Title:
Telephone No. Fax:
Signature: Date:
Company Name (Printed)
SITE CONSTRUCTION NOTES
1. No pre-bid conference is planned on this project. DPW has marked the construction limit at each location with white spray paint.
2. The contractor shall notify “Call Before You Dig” at 1-800-922-4455 at least three (3) business days prior to commencing any site excavation.
3. The contractor shall coordinate all activities with all affected property owners prior to commencing any demolition or construction work.
4. The contractor shall coordinate his work with the Norwich Public Utilities Water and Gas
Divisions to ensure that existing curb boxes are adjusted properly to grade and are properly aligned before pouring new sidewalks.
5. The contractor shall have 45 days from the notification to proceed. Failure to satisfactorily complete this work on or before this date will result in a $100.00 per day penalty for every calendar day beyond this date until such time as the City determines that the work is substantially complete.
6. Quantities and lengths on this plan are approximate. Payment will be determined by actual field measurements by the contractor and DPW. Sidewalk widths made wider than the width specified on the plan will not be paid for unless approved by DPW.
7. The contractor shall be responsible for providing adequate and safe traffic control and circulation during the entire project duration. The contractor shall supply and install all necessary traffic barricades, staging, signage, flagmen and uniformed traffic control, at the contractors’ expense to ensure the safety and well-being of the general public, private property owners and all vehicular and pedestrian traffic.
8. The contractor shall provide erosion control measures necessary to ensure sediment from the work site does not enter any streams or storm sewer system.
9. The contractor shall be responsible for maintaining a clean work area during and after each workday. No debris or other construction materials shall be left within the public way at the close of each workday.
10. No excavations, trenches, holes or underground structures shall be left open overnight, and shall be adequately backfilled or securely closed at the end of each workday.
11. All materials not being retained by the city shall be properly disposed of, by the contractor, at the contractor’s expense, to an approved off-site location, in accordance with all local, state and federal laws.
12. All paving and excavation work shall be in accordance with the State of Connecticut DOT Standard Specifications for Roads, Bridges and Incidental Construction, Form 818, or latest edition and the City of Norwich Construction Standards for Road and Sitework.
13. All surfaces shall be graded such that positive gravity drainage occurs from all surface points.
No ponding or “bird baths” shall be permitted anywhere within the new walkway or gutterlines.
14. All new and reset curb lines shall follow the original existing curb alignment. A 6 inch curb reveal is preferred whenever possible. However, due to existing threshold elevations and sidewalk/gutter grades, a lesser curb reveal may be accepted. The City’s representative must approve all curb reveals less than 5 inches prior to installation.
15. After the installation of the new walk/curb system is complete for each section, the contractor shall clean all gutters, walks, storefront entrances and drainage structures of all sediment, dirt and other construction related debris.
16. The contractors shall protect newly poured sidewalk from any damage caused by vandalism. The
City will reject any slabs that have been marred prior to the concrete sufficiently setting. Such slabs must be removed and satisfactorily replaced at the contractor’s expense. The contractor is encouraged to only pour concrete in the morning hours.
17. It is noted that there are existing walls and fences adjacent to and at the back of some of the sidewalks. The contractor is recommended to take pre-construction photographs as a precaution should conflicts arise with private property owners. Sawcutting the back of sidewalk pavement, even building a shelf to support a wall, may be required at some locations. The contractor should factor this into his sidewalk cost.
18. Contractor is responsible for repairing any damage done to abutting property or utilities.
19. Before construction begins, the contractor shall be responsible for contacting Norwich Public
Utilities for valve box covers to repair broken valve box covers as needed.
1. MAINTENANCE AND PROTECTION OF TRAFFIC
This bid item shall include but not be limited to all measures used to maintain traffic flow in the project area, to establish detours if required, to coordinate efforts with the local police department, to provide warning lights, barricades, traffic drums, etc. all labor and material incidental thereto. The attached CTDOT Construction Traffic Control Plans shall be used on this project at any residences that are located on State routes.
DESCRIPTION:
The Contractor shall maintain traffic in the project area to the satisfaction of the City and the State on state roads.
The Contractor must maintain pedestrian and vehicular traffic and permit access to businesses, residences, and intersecting streets. Where detours will be required, the City may require the Contractor to submit a proposed detour plan for all portions of the work to the City and to the applicable local agencies. This submittal shall be made at least seven days prior to commencing construction. It shall be the sole responsibility of the Contractor to notify local agencies (including but not limited to the Police and Fire Departments) at least 72 hours in advance of changes in traffic patterns due to reduction of pavement widths or closing of streets. The Contractor shall supply, install, maintain, adjust, move, relocate, and store all signs, suitably lighted barricades, traffic cones and traffic delineators, as necessary to carry out the traffic routing plan and maintain vehicular and pedestrian traffic. All of this work shall meet with the requirements of the local agencies and the City.
The Contractor shall furnish, light, and maintain such signs as may be directed, or may be necessary for the safe regulation, or convenience of traffic. Said signs will be as specified on the contract plans or elsewhere herein, or if not specified, they shall be adequate for the regulation, safety and convenience of traffic. The Contractor shall provide, erect, and maintain suitably lighted barricades, warning lights, etc., as needed, or as directed in order to keep people, animals and vehicles from excavations, obstacles, etc. The Contractor may be required to employ traffic men and take other such reasonable means or precautions as the City may direct, or as may be needed to prevent damage or injury to persons, vehicles, or other property and to minimize the inconvenience and danger to the public by his construction operations. He shall arrange his operation to provide access to properties along the street including temporary bridges to driveways, and provide access to fire hydrants, manholes, gate boxes, or other utilities. Whenever any trench obstructs traffic in or to any public street, private driveway, or property entrance, the Contractor shall take such steps as required to maintain necessary traffic and access including temporary bridging if required. The Contractor shall confine his occupancy of public or traveled ways to the smallest space compatible with the efficient and safe performance of the work contemplated by the contract.
The Contractor shall observe and obey all local and state laws, ordinances, regulations and permits in relation to the obstruction of streets and highways, keeping passageways open and protecting traffic where there may be danger from construction activities.
Suitable light barriers or barricades shall be furnished by the Contractor and put up and maintained at all times during the night or daytime, around all open ditches, trenches, excavations, or other work potentially dangerous to traffic. Such barricades shall be constructed of 2” x 8” rough lumber, securely supported and braced at least 3’ high above the ground. Barricades shall be placed on all sides and throughout the entire length and breadth of all open ditches, trenches, excavations, or other work that must be barred to the general public. Barricades shall be properly painted to the satisfaction of the City in order to retain a high degree of visibility to vehicular and pedestrian traffic.
1. MAINTENANCE AND PROTECTION OF TRAFFIC continued
The Contractor shall furnish and securely fasten flashing units to signs, barricades, and other objects in such numbers and for such lengths of time as are required for the maintenance and protection of traffic, or as the Engineer may order. The flasher shall be in operation during all hours between sunset and sunrise, and during periods of low visibility. The Contractor shall maintain, relocate and operate barricades and flashers throughout the life of the contract. No special payment will be made for barricades or flashers. Should the Contractor or his employees neglect to set out and maintain barricades or lights, as required in these specifications, the City immediately, and without notice, may furnish, install and maintain barricades or lights. The cost thereof shall be borne by the Contractor and may be deducted from any amount due or to become due to the Contractor under this contract.
If the Contractor’s operations or occupancy of any public street or highway, or the uneven surfaces over any trenches being maintained by the Contractor shall interfere with the removal or sanding of snow or ice by the public authorities or adjoining land owners, in an ordinary manner with regular highway equipment, the contractor shall be required to perform such services for the public authorities or adjoining owners without charge. If the contractor fails to do so, he shall reimburse the said authorities or adjoining owners for any additional cost to them for doing such work occasioned by conditions arising from the Contractor’s operations or occupancy, or trench surfaces, together with any damage to the equipment of said parties by those conditions, or claims of any parties for damage or injury or loss by reason of failure to remove snow or ice or to sand icy spots under these conditions.
BASIS OF PAYMENT
This item will be paid for at the Contract unit price per each location for “Maintenance and Protection of Traffic”.
2. and 6. CONCRETE SIDEWALK, HANDICAP RAMPS & CURBS
DESCRIPTION:
Under these items the Contractor shall install a 5" thick concrete sidewalk upon an 8" gravel base as shown on the plans or as directed by the Engineer. Installing Detectable Warning Strips for new construction shall be performed in conjunction with the installation of the concrete sidewalk and handicap ramps in the locations and to the dimensions and details shown on the plans or as ordered by the Engineer. However, material for this item shall be paid for separately, under a different contract item.
MATERIALS:
Concrete shall be Class “F” and have a minimum 28-day compressive strength of 4000-psi water, cement ratio of
0.44 and a minimum cementitious material of 658-lbs./cubic yard in accordance with Section 4.01 and M.03 of the CT DOT Form 818 and a slump of 5” +/- 1”.
The gravel base shall conform to Section M.02.06, Grading A.
CONSTRUCTION METHODS:
Construction shall generally conform to the following:
1. Excavation: Excavation, including removal of any existing sidewalk, shall be made to the required depths below the finished grade, as shown on the plans or as directed. All soft and yielding materials shall be removed and replaced with suitable material.
2. Gravel or Reclaimed Miscellaneous Aggregate Base: The gravel base shall be placed in layers not over 6 inches in depth and to such a depth that after compaction it shall be at the specified depth below the finished grade of the walk. The base shall be wetted and rolled or tamped after the spreading of each layer.
3. Forms: Forms shall be of metal or wood, straight, free from warp and of sufficient strength to resist springing from the pressure of the concrete. If wood, they shall be of 2-inch surfaced plank except that at sharp curves thinner material may be used. If of metal, they shall be of approved section and shall have a flat surface on the top. Forms shall be of a depth equal to the depth of the sidewalk. Forms shall be securely staked, braced, and held firmly to the required line and grade and shall be sufficiently tight to prevent leakage of concrete. All forms shall be cleaned and oiled or wetted before concrete is placed against them. Sheet metal templates 1/8-inch in thickness, of the full depth and width of the walk, shall be spaced at intervals of 12 feet or as directed. If the concrete is placed in alternate sections, these templates shall remain in place until concrete has been placed on both sides of the template. As soon as the concrete has obtained its initial set the templates shall be removed.
The concrete walk shall be broom finished. Expansion joints shall be installed every 15 feet and dummy joints shall be formed every 5 feet.
All handicap ramps shall be installed with wire mesh the same as in item #4.
The Detectable Warning Devices for new construction shall be set directly in poured concrete according to the plans or as directed by the Engineer. The contractor shall place two twenty five (25) pound blocks or sandbags on each tile to prevent the tile from floating after installation in wet concrete.
The contractor is responsible for removing any material splatters or debris arising from the installation of the tile.
2. and 6. CONCRETE SIDEWALK, HANDICAP RAMPS & CURBS continued
The Contractor shall use watchmen, plastic coverings, and any other means necessary to prevent damage to freshly poured walks until the concrete has set firmly. When concrete sidewalks are poured monolithically with concrete curbing, the curbing shall be installed in conformance with those specifications. Where noted on the plans, handicapped ramps shall be installed in conformance with typical detail or as directed by the Engineer.
Where noted on the plan or as directed by the Engineer, sign posts and other objects must be reset into sleeves.
The sleeves must be set, prior to the concrete pour.
QUALITY CONTROL
1. Compression Tests
a. Tests shall be made in conformance with ASTM C39. Each test shall consist of four (4) cylinders made and tested by the laboratory during the progress of the project, testing as follows:
1) One (1) - after curing seven (7) days in the field.
2) Three (3) - after curing twenty-eight (28) days in the laboratory.
b. At least one (1) test shall be made every one hundred (100 cy) cubic yards of concrete or fraction thereof, placed in any one concreting operation on any given day.
c. Concrete for each set of cylinders shall be from any one (1) sample, representative of the entire batch.
d. Specimens shall be made, cured and tested in accordance with ASTM C31.
e. When concrete is pumped, test cylinders shall be made from concrete taken at the discharge end of the pumping train.
2. Additional tests as follows shall be made from the concrete taken to mold the cylinders.
a. Slump test: in accordance with ASM C143.
b. Air-entrainment test: in accordance with ASTM C173 or ASTM C231.
3. The Contractor shall notify the Engineer and the testing laboratory twenty-four (24) hours before concrete placement and shall cooperate in making of cylinders by the testing laboratory.
SUBMITTALS
1. Test Reports
a. Report of tests shall be submitted to the Engineer and shall include: name of job, date and location of placement, class of concrete, mix data, and slump, air content, compressive strength, age and condition of test cylinders, weight of each cylinder tested for 7 day break, type of fracture, and method of curing.
b. One (1) copy of all test reports shall be promptly forwarded by the testing laboratory to the Engineer, plus one (1) copy each to the Contractor and Concrete Supplier.
2. Test Results
a. The average of the tests for any portion of the structure shall equal or exceed the specified twenty-eight (28) day compressive strength (fc).
b. No single strength test shall have a value less than 90% of the specified compressive strength (fc).
c. Where the concrete does not comply with these requirements, the Engineer may require other tests, such as cored cylinders (in conformance with ASTM C42) or load tests, all at the Contractor's expense. Should the concrete fail to pass such tests, it shall be removed and replaced at no additional cost to the Owner.
2. and 6. CONCRETE SIDEWALK, HANDICAP RAMPS & CURBS continued
METHOD OF MEASUREMENT:
The concrete sidewalk and handicap ramps will be measured by the number of square feet of concrete sidewalks poured and accepted in place. The concrete curbs will be measured by linear foot of 6” concrete curb. The City reserves the right to not accept areas that have been damaged. The Detectable Warning Strip will be paid for under a separate item. All materials, equipment, tools and labor incidental thereto shall be included in the Bid Price for Concrete Sidewalk.
BASIS OF PAYMENT:
This work will be paid for under the square foot item “Concrete sidewalk and Handicap Ramp” and under the linear foot item “Cast in Place Concrete Curb”:
Which price shall include all tools, equipment, labor, and material incidental thereto. This unit price shall include, among other things, the cost of the following items that will not be paid for separately:
a. excavation and disposal of material
b. formation of sub-grade
c. furnishing, laying, and compacting gravel base
d. furnishing, pouring, and finishing concrete, including a 12 inch haunch at ADA ramps
e. installation of expansion and dummy joints
f. sign post and other object installation
g. protection of freshly poured concrete until setup
h. asphalt patching
i. pavement sawcut
3. DETECTABLE WARNING DEVICES
The contractor shall furnish Detectable Warning Devices for use at all handicap ramps as noted in the plans and specifications, or as directed by the Engineer in the field.
MATERIALS:
The Detectable Warning Device shall be prefabricated detectable warning tile for the application designated as manufactured from Engineered Plastics Inc., 300 International Drive, Suite 100, Williamsville, NY 14221, telephone number (800) 682-2525, or the approved equal from ADA Fabricators, Inc., PO Box 179, North Billerica, MA 01862, telephone number (978) 262-9900. The tile shall conform to the dimensions shown on the plans and have a brick red homogenous color throughout in compliance with Federal Standard 595A Color #22144, or approved equal.
BASIS OF PAYMENT:
This item will be paid for at the contract unit price per each for “Detectable Warning Devices ", which price shall include all tools, equipment, labor, and material incidental thereto for the furnishing and installation of this item.
4. CONCRETE DRIVEWAY APRON
Under this item the Contractor shall install an 8" thick concrete over 8” thick gravel base including wire mesh mat as shown on the plans or as directed by the Engineer.
MATERIALS:
Gravel and concrete shall meet the requirements of Item #2 “Concrete Sidewalk”. Wire mesh shall be 6” x 6” No.
10 gauge, or thicker. Deformed steel wire shall be cold-worked, deformed steel wire conforming to the requirements of AASHTO M225 (ASTM A 496). Welded deformed steel wire fabric, when used as reinforcement in concrete, shall conform to the requirements of AASHTO M221 (ASTM A497). The Engineer shall approve the type of welded deformed steel wire fabric.
CONSTRUCTION METHODS:
Construction shall generally conform to the requirements of Item 1, “concrete sidewalks”. The concrete ramp shall be broom finished and expansion joints shall be installed at the ends of the apron, adjacent to the sidewalk.
The Contractor shall use watchmen, plastic coverings, and any other means necessary to prevent damage to freshly poured walks until the concrete has set firmly. A wire mesh mat shall be placed 2½ inches below the surface, and secured in place using spacers to ensure uniform cover, or as directed by the Engineer. The concrete shall be cured in accordance with Section 4.01.03.
METHOD OF MEASUREMENT:
This item will be measured for payment by the number of square feet of concrete ramp poured and accepted in place. The City reserves the right to reject areas, which have been damaged, or the driveway aprons not poured 8 inches thick.
BASIS OF PAYMENT:
This item will be paid for at the contract unit price for "Concrete Driveway Apron", which price shall include all tools, equipment, labor, and material incidental thereto.
This unit price shall include all incidentals, including but not limited to the following:
1. excavation and disposal of material
2. formation of sub-grade
3. furnishing, laying, and compacting gravel base
4. furnishing, pouring, and finishing concrete
5. installation of expansion and dummy joints
6. protection of freshly poured concrete until setup
7. 1.5’ minimum asphalt patch on road, 2’ minimum on state roads
5. 5” X 18” GRANITE CURBING
Under this item the Contractor shall furnish and install straight granite curbing as shown on the plan or as directed by the Engineer. The curbing shall have a 6” reveal unless otherwise approved by the Engineer.
MATERIALS:
Stone for this work shall be hard and durable granite, fundamentally of light color, of general uniform texture, of smooth splitting appearance, free from seams or imperfections that would impair its structural reliability and containing only such color variations as in the opinion of the Engineer would reasonably be characteristic of the material source. The Contractor shall submit for approval the name of the quarry and the type of curb that the Contractor proposes to use; samples of curbing shall be submitted for approval only when requested by the Engineer. Such submission shall be made sufficiently in advance of ordering so that the Engineer may have an opportunity to judge the stone, both as to quality and appearance. No stone from any other quarry shall be used unless it has been properly approved.
The finish and surface dimensions for the curb shall conform to the following requirements:
The curbstone shall have a top surface free from wind; it shall be pointed, peen-hammered or sawed to an approximately true plane, and shall have no projections or depressions greater than 1/8 of an inch. The front and back arris lines shall be pitched straight and true. On the back surface of the curbstone there shall be no projection for 3 inches down from the top which would fall outside of a plane having a batter 4 inches in 12 inches from the back arris line. The front face shall be at right angles to the plane of the top and shall be smooth quarry-split, free from drill holes in the exposed face. There shall be no projections greater than 3/4 of an inch, or depressions greater than 1/2 inch, measured from the vertical plane of the face through the top arris line for a distance of 8 inches down from the top. For the remaining distance, there shall be no projections or depressions greater than 1 inch measured in the same manner. The arris lines at the ends shall be pitched with no variation from the plane of the face greater than 1/8 on an inch. The ends of all stones shall be square with the planes of the top and face and so finished that, when the stones are placed end to end as closely as possible, no space more than 1/2 inch shall show in the joint for the full width of the top or down on the face 8 inches. On curbstones having a length of 6 feet or more, the remainder of the end may break back not over 9 inches, whereas on shorter curbstones, they shall not break back more than 6 inches.
If sawed, the curbstones shall be thoroughly cleaned of any iron rust or iron particles.
For straight curbing, 80 percent of the stones shall be furnished in lengths of not less than 6 feet, and the remaining 20 percent in lengths of not less than 4 feet, interspersed at random, to allow for closures.
Curbstones to be set on a radius of 100 feet or less shall be cut to the curve required, and their ends shall be cut on radial lines. Requirements for length of individual stones in curved curbing vary with radii of curves.
Concrete used for the bedding shall conform to section M.03.01, Class “A”.
CONSTRUCTION METHODS:
The location of the curbing shall be excavated and leveled uniformly. A 5” concrete base is to be poured under the curbing at the joints to support it. Each length of curbing shall be rigidly supported at two points.
The curb is to be set with the smooth sides facing up and towards the road. The curbing is to be set on a true line and grade. All joints shall have ½ inch spacing between pieces. After the bedding concrete has set, and the curb backfilled, the joints are to be filled with mortar except approximately every 50 feet where a joint is to be left open for expansion. The trench shall be backfilled in layers with approved material and thoroughly compacted.
Care must be taken not to disturb the line and grade of the set curb until the concrete of the base is set.
5. 5” X 18” GRANITE CURBING continued
METHOD OF MEASUREMENT:
This item will be measured for payment by the number of linear feet of curbing installed and accepted in place.
BASIS OF PAYMENT:
This item will be paid for at the contract unit price per linear foot for "5” x 18” Granite Curbing, which price shall include all tools, equipment, labor, and materials incidental thereto.
This unit price shall include all incidentals, including but not limited to the following:
1. excavation and disposal of material
2. formation of sub-grade
3. furnishing and setting granite curb to grade
4. furnishing and pouring concrete bed
5. 1.5’ wide minimum and 2” deep minimum asphalt patch, 2’ wide minimum and 5” deep minimum for state roads
7. ASPHALT PATCHING (transition areas)
Work under this item shall consist of the placement of a smooth and dense bituminous concrete mixture with a uniform texture for the sole purpose of providing a smooth transition between the new concrete driveway apron and the existing driveway at the back of the apron or adjacent sidewalk. Work under this item is subject to approval by the Engineer, prior to the commencement of work at each location.
MATERIALS:
The materials for Asphalt Patch shall conform to the requirements of Section M.04, Class 2 of the CT DOT Form 818, 2020.
BASIS OF PAYMENT:
This work will be paid for at the contract unit price per square yard for “Asphalt Patch” complete and accepted in place, which price shall include all materials, equipment, tools, excavation, backfill, disposal of surplus material and labor incident thereto.
8. FURNISHING AND PLACING LOAM AND TURF ESTABLISHMENT
Under this item the Contractor shall furnish, place, and shape loam on the areas shown on the plan or as directed by the Engineer.
MATERIALS:
The loam shall conform to the “A” horizon of the soil profile by the Soil Science of America. It shall contain no less than 6% or more than 20% organic matter as determined by loss-on-ignition of oven-dried samples.
The following textural classes, as determined on the basis of material passing the 20-mesh sieve and subjected to partial mechanical analysis, shall be acceptable:
1. sandy loam
2. loam
3. sandy clay loam with not more than 30% clay
The loam shall be loose; friable and reasonably free of admixtures of subsoil, refuse, stumps, roots, brush, weeds, rocks, and stones greater than 1-1/4 inches in dimension. The loam shall also be free from any material that will prevent the formation of a suitable seedbed or prevent seed germination and plant growth. Any material delivered to the project which does not meet specifications, or which has become unacceptable during the placing or spreading, will be rejected and shall be replaced by the Contractor with acceptable material at his expense.
The materials for Turf Establishment shall conform to the requirements of Section M.13 of the CT DOT Form 818, 2004.
CONSTRUCTION METHODS:
The areas on which loam is to be placed shall be graded to a reasonable true surface. Loam shall then be spread and shaped to the lines and grades shown on the plans or as directed by the Engineer.
All stones, roots, debris, sod, weeds, and other undesirable material shall be removed and disposed of. After shaping and grading, all trucks and equipment shall be excluded from the loaming area to prevent excessive compaction. The Contractor shall perform such work as required to provide a friable surface for seed germination and plant growth prior to seeding. After hauling and spreading operations, the Contractor shall immediately remove any material dumped or spilled on the pavement.
BASIS OF PAYMENT:
This work will be paid for at the contract unit price per square yard for “Furnishing and Placing Loam and Turf Establishment” complete and accepted in place, which price shall include all materials, equipment, tools, excavation, backfill, disposal of surplus material and labor incident thereto.
9. CONCRETE SEALANT
DESCRIPTION
Under this item, the contractor shall furnish and place a concrete sealant on the new concrete sidewalks and driveway aprons.
MATERIALS
The contractor shall utilize PS101 Multi-surface Penetrating Sealer by Concrete Sealers USA of Brookfield, WI, or an as equal product.
CONSTRUCTION METHODS
The sealant shall be applied in accordance with the manufacturer’s instructions, no earlier than 7 days after the concrete has been placed. The contractor will be required to power-wash the sidewalk and driveway aprons, and apply the sealant once these areas have dried.
BASIS OF PAYMENT
This item will be paid for as at the square foot unit price for “Concrete Sealant”.
10. VALVE BOX REPAIR
DESCRIPTION
Under this item, the contractor shall repair any existing broken valve boxes.
MATERIALS
The Contractor shall either provide their own cast iron valve risers, and valve boxes equivalent to Norwich Public Utilities’ standards or Norwich Public Utilities will supply the cast iron valve risers and valve boxes. If the Contractor elects to use items from Norwich Public Utilities, the Engineer on site will provide them to the Contractor.
CONSTRUCTION METHODS
It is the Contractor’s responsibility to ensure that no foreign debris enter the valves openings throughout the lowering and raising process. Any irregularities shall be promptly reported to the Engineer.
BASIS OF PAYMENT
Payment for this item will be made at the contract unit price for “Valve Box Repair” This price shall include all materials, labor, tools, equipment and disposal incidental thereto.
INDEX TO GENERAL CONDITIONS
ARTICLE TITLE
1. DEFINITIONS
2. BID FORM
3. BID SECURITY
4. WAGE RATES AND LABOR LAWS
5. CONTRACTOR'S BOND AND INSURANCE
6. NONRESIDENT CONTRACTOR BOND
7. INDEMNITY OF CITY BY CONTRACTOR
8. PERMITS, LICENSES AND LAWS
9. RIGHT TO REJECT BIDS
10. BIDDERS TO EXAMINE SPECS & VISIT WORK SITE
11. REPRESENTATIONS OF CONTRACTOR
12. COMPETENT HELP TO BE EMPLOYED
13. PROHIBITING EMPLOYEE DISCRIMINATION BY CONTRACTOR
14. SCOPE OF WORK
15. MATERIALS
16. SUBCONTRACTORS
17. ASSIGNMENT
18. SEPARATE CONTRACTS
19. PARTIAL INVALIDITY
20. LIGHTS, BARRIERS, FENCES, WATCHMEN AND INDEMNITY
21. FIRE PRECAUTION
22. "OR APPROVED EQUAL" CLAUSE
23. TERMINATION FOR CONVENIENCE
24. TITLE TO WORK
25. TIME OF COMPLETION
26. INSPECTION
27. SPIRITOUS LIQUORS
28. WORK CHANGES
29. CLAIMS FOR EXTRA WORK
30. DEFAULTS
31. TAXES
32. OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970
33. COMPLIANCE WITH NON-DISCRIMINATION
34. WORK IN INCLEMENT WEATHER
35. PROTECTION OF TREES
36. ARCHEOLOGICAL FINDS
37. BLASTING
38. POWER AND WATER
39 TOILET ACCOMMODATIONS
40. CLEAN UP
41. GENERAL GUARANTEE
42. LIENS
43. PAYMENTS
44. PAYMENT TO SUBCONTRACTORS
45. FINAL INSPECTION AND ACCEPTANCE
46. FINAL PAYMENT
47. CORRECTIONS
48. INTERPRETATION OF DRAWINGS AND SPECS
49. LOADING
50. POLLUTION OF WATERS
51. USE OF "HE", "HIS", OR "HIM"
52. REFERENCE
53. SURPLUS MATERIAL
GENERAL CONDITIONS
1. DEFINITIONS
A. City - The City of the project is the City of Norwich acting by the Director of Public Works.
B. Contractor - The term "contractor" as hereinafter used shall refer to the General Contractor for this work or his authorized representative.
C. City's Representative - The term "City's Representative" as hereinafter used shall refer to any representative of the
Department of Public Works who is appointed by the Department to supervise the work and shall extend to and include any engineer or inspector whom he shall designate to inspect, test, or oversee the work herein specified.
D. Department - Whenever this term is used in these General Conditions, "Department" shall mean City of Norwich, Department of Public Works.
E. City - Wherever the term "City" is used in these General Conditions, it shall mean the City of Norwich, the City of Norwich Department of Public Works.
F. Contract - Wherever the term "Contract" is used in these General Conditions, it shall mean the actual bid form, specifications, drawings, General Conditions and formal purchase order issued to the successful bidder.
2. BID FORM
Attached to these specifications is a bid form which shall be used by the contractor submitting bids on this work.
Bids for this work shall be received at the Office of Purchasing Agent, City of Norwich, City Hall Building, at the time of the date designated on the bid forms, and will be publicly opened and read at the time and place, for this work. One copy of bid is for bidders.
Discrepancies between the indicated product of item unit and unit price and the correct product will be resolved in favor of the unit prices. Discrepancies between the indicated sum of any column of figures and the correct sum thereof will be resolved in favor of the correct sum. Discrepancies between words and figures will be resolved in favor of the words.
3. BID SECURITY
Each contractor submitting a bid shall accompany it with bid Surety in the form of cash, certified check or bid bond equal to 5% of the bid. Should the contractor refuse to go through with the work after having been awarded it by the City within the scheduled time, he shall then forfeit the Bid Surety to the City who shall use the surety to offset costs to the next lowest bidder or if the contractor fails to provide satisfactory performance and payment bonds as required. The bonding company must be licensed to do business in the State of Connecticut.
4. WAGE RATES AND LABOR LAWS
The wages paid on an hourly basis to any mechanic, laborer or workman employed upon the work herein contracted to be done and the amount of payment or contribution paid or payable on behalf of each such employee to any employee welfare fund, as defined in subsection (h) of section 1. of Public Act No. 93-392 shall be at a rate equal to the rate customary or prevailing for the same work in the same trade or occupation in the town of Norwich. Any contractor who is not obligated by agreement to make payment or contribution on behalf of such employees to any such employee welfare fund shall pay to each employee as part of his wages the amount of payment or contribution for his classification on each pay day.
Please be advised that effective October 1, 1993, Public Act 93-392 requires that all employers on a public works project shall submit weekly to the contracting agency a certified payroll and compliance statement. The certified payroll shall be considered a public record, and every person shall have the right to inspect and copy such records in accordance with the provisions of section 1-15, Connecticut General Statutes.
Upon award of the contract, the contractor shall certify under oath, to the labor commissioner the pay scale to be used by such contractor and any of his subcontractors for work to be performed under the contract.
The provisions of Public Act No. 93-392 shall not apply where the total cost of all work to be performed by all contractors and subcontractors in connection with new construction of any public works project is less than four hundred thousand dollars ($400,000) or where the total cost of all work to be performed by all contractors and subcontractors in connection with any remodeling, refinishing, refurbishing, rehabilitation, alteration or repair of any public works project is less than one hundred thousand dollars ($100,000).
All bidders are advised to inform themselves and to comply with the requirements of Federal, State and local laws governing the employment of labor.
5. CONTRACTOR'S BONDS AND INSURANCE
Each bidder must be able to enter into contract, covering the work, within 10 days from the acceptance of his proposal.
The successful bidder must, within ten (l0) days from the date of acceptance of his proposal, furnish and file with the City of Norwich, a corporate surety bond or equivalent security, guaranteeing completion of the job in accordance with the proposal and a labor and material payment bond guaranteeing payment of all labor and materials furnished to himself or to his subcontractors for use in the prosecution of the work. This bond or equivalent shall be for 100% of the amount of the contract. The cost of the bonds is to be figured as part of the cost of the job. The Surety company must be one licensed to do business in the State of Connecticut and must be satisfactory to the City.
The successful bidder must, within ten (l0) days from the date of acceptance of his proposal, file with the City of Norwich, Workmen's
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