Chapter 15.06
PUBLIC WORKS STANDARDS
Sections:
15.06.020 Conformance to designated standards.
15.06.030 Amendments--Division 1.
15.06.040 Amendments--Division 2.
15.06.050 Amendments--Division 5.
15.06.060 Amendments--Division 6.
15.06.070 Amendments--Division 7.
15.06.080 Amendments--Division 9.
15.06.010 Adoption.
The construction manual for municipal public works construction prepared by the Washington State Department of Transportation, the Washington State Chapter of American Public Works Association, 2014 Standard Specifications for Road, Bridge, and Municipal Construction, with amendments or additions thereto, and/or revisions subsequently adopted is hereby designated as the public works construction ordinance of the city, in full, by reference, as provided by law; provided, that not less than one copy of such compilation and amendments and additions thereto, adopted by reference, shall be filed for use and examination by the public, in the office of the city clerk. The standards are modified to include the City of Colfax Construction Standards. (Ord. 16-08 §2: Ord. 15-19 §1 (part), 2015: Ord. 1471 §1, 2000).
15.06.015 Definitions.
A. Generally. Except where specifically defined in this section, all words used in this chapter shall carry their customary meanings. Words used in the present tense include the future and the plural includes the singular. "Shall" is always mandatory; "may" denotes a use of discretion in making a decision.
"Alley" means a street within the ordinary meaning of "alley" not designated for general travel and primarily used as a means of access to the rear of residences and business establishments, that is not a driveway.
"Apron" means that portion of the driveway approach extending from the gutter flowline to the sidewalk section and lying between the end slopes of the driveway approach.
"City" means the city of Colfax and its appointed or elected officials.
"Contractor" means any person, firm or corporation who or which, in the pursuit of an independent business, undertakes to, or offers to undertake, or submits a bid to construct, alter, repair, add to, subtract from, improve, move, wreck or demolish any alley, street, sidewalk, easement or any other public rights-of-way; "contractor" also includes any public utility, natural gas company, or telephone company operating within the city by virtue of franchises or permit granted them by the city.
"Curb cut" means a depressed section of the curb at the street termination of the driveway approach.
"Driveway" means a strip of land which serves or is intended to serve as a primary means of access from a public right-of-way adjacent to a lot or parcel to the interior of that one lot or parcel, and which serves or is intended to serve a maximum of two dwelling units. An accessway intended to serve more than one lot or parcel is not a driveway.
"Driveway approach" means an area of construction or improvement between the roadway of a public street to a definite area of the private property, such as a parking area, a driveway or a door. It shall be at least fifteen feet wide, intended and used for the ingress and egress of vehicles. The component parts of the driveway approach are termed the apron, the end slopes or the curb return and the sidewalk section.
"End slope" means that portion of the driveway approach which provides a transition from the normal curb and sidewalk elevation to the grade of the apron, either by means of a sloping surface or by means of a curb return together with the area between the projected tangents of the curb return.
"Property owner" means the person, firm or corporation who has legal title to the property on which the improvement fronts or is being made and includes his legal agents.
"Sidewalk" means any thoroughfare, the primary function of which is to serve pedestrian traffic.
"Sidewalk section" means that portion of the driveway approach lying between the back edge of the sidewalk and the apron, plus the end slopes measured at the front edge of the sidewalk.
"Street" means every way, lane, road, street, boulevard, and every way or place in the city open as a matter of right to public vehicular travel which is not an alley or a driveway. (Ord. 15-19 §1 (part), 2015).
15.06.020 Conformance to designated standards.
Any improvements, the plans for which have been approved by the city administrator before the effective date of the ordinance codified in this chapter, shall be governed by the Standard Construction Specifications for the city of Colfax then in effect. (Ord. 15-19 §1 (part), 2015: Ord. 1471 §2, 2000).
15.06.030 Amendments--Division 1.
Division 1 of the Standard Specifications and the Division 1 APWA Supplement is revised as follows:
A. Amend the definition of "contracting agency" in Section 1-01.3 as follows:
"Contracting Agency" is the City of Colfax.
B. Change the first sentence of Section 1-02.7, Bid Deposit, to read:
When bids are anticipated to exceed $100,000 as estimated by the Engineer, a deposit of at least five percent (5%) of the total bid shall accompany each bid.
C. Insert the following as a new second paragraph to Section 1-05.10, Guarantees (APWA only):
The Contractor shall indemnify and hold the City of Colfax harmless from any damage or expense by reason of failure of performance as specified in said contract or from defects appearing or developing in the material or workmanship provided or performed under said contract within a period of one year after its acceptance thereof by the City of Colfax.
D. Add the following to Section 1-07.7(l), Load Limits:
When the gross vehicle weight of a truck delivering material to the job site exceeds the gross vehicle load limit for which the vehicle is licensed by more than 1000 pounds, as determined by scale tickets, the City will not pay for that material which exceeds the load limit.
E. Add the following to Section 1-07.14, Responsibility for Damage:
The Contractor shall save, keep and hold harmless the City, its officers, agents, employees and volunteers from all damages, costs or expenses in law or equity that may at any time arise or be set up because of damages to property or personal injury received by reason of or in the course of performing work which may be occasioned by any willful or negligent act or omissions of the Contractor, any of the Contractor’s employees, or any subcontractor. The City will not be held liable for any accident, loss or damage to the work prior to its completion and acceptance.
F. Add the following to Section 1-07.17, Utilities and Similar Facilities:
The Washington Utilities and Transportation Commission provides a one call number for requesting location of underground utilities. The number is 811 or visit their website at www.callbeforeyoudig.org.
G. Section 1-07.18 is replaced with the following:
1-07.18 Insurance Requirements For Contractors
BIDDERS’ ATTENTION IS DIRECTED TO THE INSURANCE REQUIREMENTS BELOW. IT IS HIGHLY RECOMMENDED THAT BIDDERS CONFER WITH THEIR RESPECTIVE INSURANCE CARRIERS OR BROKERS TO DETERMINE IN ADVANCE OF BID SUBMISSION THE AVAILABILITY OF INSURANCE CERTIFICATES AND ENDORSEMENTS AS PRESCRIBED AND PROVIDED HEREIN. IF AN APPARENT LOW BIDDER FAILS TO COMPLY STRICTLY WITH THE INSURANCE REQUIREMENTS, THAT BIDDER MAY BE DISQUALIFIED FROM AWARD OF THE CONTRACT.
Contractor shall procure and maintain for the duration of the contract insurance against claims for injuries to persons or damages to property which may arise from or in connection with the performance of the work hereunder by the Contractor, his agents, representatives, employees or subcontractors. The cost of such insurance shall be included in the Contractor’s bid.
(1) Minimum Scope of Insurance
Coverage shall be at least as broad as:
(aa) Insurance Services Office form number GL 0404 covering Broad Form Comprehensive General Liability; or Insurance Services Office Commercial General Liability coverage ("occurrence" form CG 0001).
(bb) Insurance Services Office form number CA 0001 (current edition) covering Automobile Liability, code 1 "any auto" and endorsement CA 0025.
(cc) Workers’ Compensation insurance as required by the State of Washington.
(dd) The Contractors insurance coverage shall specifically include protection against explosion, collapse, and underground (X, C, U) hazards. The cost for providing this additional coverage shall be considered incidental to the contract.
(2) Minimum Limits of Insurance
Contractor shall maintain limits no less than:
(aa) General Liability: $1,000,000 combined single limit per occurrence for bodily injury, personal injury and property damage. If Commercial General Liability Insurance or other form with a general aggregate limit is used, either the general aggregate limit shall apply separately to this project/location or the general aggregate limit shall be twice the required occurrence limit.
(bb) Automobile Liability: $1,000,000 combined single limit per accident for bodily injury and property damage.
(cc) Workers’ Compensation: Limits as required by the State of Washington.
(3) Deductibles and Self-Insured Retentions
Any deductibles or self-insured retentions must be declared to and approved by the City. At the option of the City, either: 1) the insurer shall reduce or eliminate such deductibles or self-insured retentions as respects the City, its officers, officials, employees and volunteers; or 2) the Contractor shall procure a bond guaranteeing payment of losses and related investigations, claim administration and defense expenses.
(4) Other Insurance Provisions
The general liability and automobile liability policies are to contain, or be endorsed to contain, the following provisions:
(aa) The City, its officers, officials, employees and volunteers are to be covered as additional insureds as respects: liability arising out of activities performed by or on behalf of the Contractor; products and completed operations of the Contractor; premises owned, occupied or used by the Contractor; or automobiles owned, leased, hired or borrowed by the Contractor. The coverage shall contain no special limitations on the scope of protection afforded to the City, its officers, officials, employees or volunteers.
(bb) The Contractor’s insurance coverage shall be primary insurance as respects the City, its officers, officials, employees and volunteers. Any insurance or self-insurance maintained by the City, its officers, officials, employees and volunteers shall be excess of the Contractor’s insurance and shall not contribute with it.
(cc) Any failure to comply with reporting provisions of the policies shall not affect coverage provided to the City, its officers, officials, employees and volunteers.
(dd) The Contractor’s insurance shall apply separately to each insured against whom claim is made or suit is brought, except with respect to the limits of the insurer’s liability.
(ee) Each insurance policy required by this clause shall be endorsed to state that coverage shall not be suspended, voided, canceled by either party, reduced in coverage or in limits except after forty-five (45) days’ prior written notice by certified mail, return receipt requested, has been given to the City.
(5) Acceptability of Insurers
Insurance is to be placed with insurers with a Best’s rating of no less than A:VII.
(6) Verification of Coverage
Contractor shall furnish the City with ACORD form certificates of insurance to which a completed Insurance Coverage Questionnaire has been attached, along with policy forms as required, and a workers’ compensation status letter affecting required coverage. The certificates, questionnaire, and policy forms are to be signed by a person authorized by that insurer to bind coverage on its behalf. All certificates, questionnaires, policy forms, and letters are to be received and approved by the City before work commences. The City reserves the right to require complete, certified copies of all required insurance policies at any time.
(7) Subcontractors
Contractor shall include all subcontractors as insureds under its policies or shall furnish separate certificates and endorsements for each subcontractor. All coverages for subcontractors shall be subject to all of the requirements stated herein.
H. Add the following first sentence to Section 1-09.6(3) Force Account for Equipment, second paragraph:
(1) General: Rental rates for equipment which is locally available, shall be established at prevailing local rates.
I. Insert the following third sentence into Section 1-09.6(4), Force Account Mobilization:
The City will pay mobilization and demobilization to the nearest piece of equipment available from any source. If the Contractor chooses to bring in his own equipment from a greater distance, mobilization-demobilization shall be compensated based on the distance to the nearest equipment available.
(Ord. 15-19 §1 (part), 2015: Ord. 1471 §3(1), 2000).
15.06.040 Amendments--Division 2.
Division 2 of the Standard Specifications is revised and augmented as follows:
A. The compaction requirements of Sections 2-03.3(14)C; 2-03.3(14)I; 2-06.3; and 2-09.3 shall be amended as follows:
Earth embankments and backfill of excavations not under pavement or other structures shall be compacted to 80 percent of maximum density as provided in Section 2-03.3(14)D.
Earth embankments and backfill of all excavations under pavements or other structures shall be compacted to 90 percent of maximum density as provided in Section 2-03.3(14)D to 6 inches below subgrade. The zone from subgrade to 6 inches below subgrade shall be compacted to 95 percent of maximum density as provided in 2-03.3(14)D Amended.
All base materials above subgrade shall be compacted to 95 percent of maximum density as provided in Section 2-03.3(14)D.
In-place density and moisture content shall be determined by nuclear densometer.
B. Section 2-03.3(14)D is replaced with the following:
Maximum density and optimum moisture content will be determined using ASTM test method D1557 (modified proctor).
C. Add new Section 2-07.2 as follows:
The Contractor may obtain water from a City fire hydrant (at no cost on City funded projects), by requesting a special hydrant outlet 48 hours in advance. The outlet shall be used only by the Contractor and only for the project specified. The Contractor shall not operate the fire hydrant. Flow control shall be accomplished by means of the outlet valve provided. Hoses and other transport equipment shall be furnished by the Contractor.
D. Section 2-09.3(1)E is amended by replacing the second paragraph under "Alternative Sources" with the following paragraph:
Controlled density fill shall meet the following requirements:
|
Ingredients |
Amount Per Cubic Yard |
|---|---|
|
Portland cement |
94 pounds |
|
Aggregate class 1 or 2 |
3,300 pounds |
|
Entrained air |
5 percent minimum |
|
Fly ash |
60 pounds |
|
Water |
20 gallons maximum |
(Ord. 15-19 §1 (part), 2015: Ord. 1471 §3(2), 2000).
15.06.050 Amendments--Division 5.
Division 5 of the Standard Specifications is revised and augmented as follows:
A. Add the following to Section 5-04.3(11), Joints:
At the end of the workday, there shall be no longitudinal joint in the wearing course with an exposed length in excess of 25 feet.
B. Section 5-05.3(13), Curing, is amended to read:
Immediately after finishing operations have been completed and as soon as marring of the concrete will not occur, the entire surface of the newly placed concrete shall be coated with a cure and seal product as specified in the amendment to 6-02.3(11).
C. All asphalt and concrete paving and patching shall be performed by an approved paving contractor.
D. Utility covers, except for survey monuments, located in the pavement shall be adjusted to final grade before the final lift of pavement is placed. (Ord. 15-19 §1 (part), 2015: Ord. 1471 §3(3), 2000).
15.06.060 Amendments--Division 6.
Division 6 of the Standard Specifications is revised and augmented as follows:
A. Section 6-02.3(l), Classification of Structural Concrete, is amended to read:
Cement concrete structures and pavements within the right of way shall be constructed of cement concrete which meets these requirements:
Coarse aggregate grading #5
564 pounds per cubic yard minimum cement content
0.49 maximum water/cement ratio
4-inch maximum slump
5--8 percent entrained air measured at the job site
3,000 psi minimum 28-day compressive strength
The Contractor shall provide a mix design to the Engineer for approval 7 days in advance.
B. Section 6-02.3(11), Curing Concrete, is amended to read:
Immediately after finishing and/or the disappearance of the "sheen" of surface water, concrete surfaces shall be uniformly and completely coated with an approved, clear, acrylic copolymer curing and sealing compound such as Rez-Seal 800 manufactured by Euclid Chemical Co. in accordance with manufacturer’s recommendations. To be approved, alternate products shall be the same product type and provide the same deposition of solids and performance.
(Ord. 15-19 §1 (part), 2015: Ord. 1471 §3(4), 2000).
15.06.070 Amendments--Division 7.
Division 7 of the Standard Specifications is revised and augmented as follows:
A. The compaction requirements of Division 7 shall be amended pursuant to Section C:2.(a) of these Standard Construction Specifications.
B. Section 7-01.2, Materials, is amended by replacing the last three paragraphs with the following paragraph:
Drain pipes up to 27 inches in diameter shall be PVC sewer pipe which meets the requirements of 9-05.12(1), unless specifically approved otherwise by the Engineer. Larger diameter pipes shall be as specified by the Engineer.
C. The contractor will provide necessary equipment and labor to perform pressure tests of all utility pipelines.
The city will provide necessary equipment and labor to perform bacteriological tests for water pipelines.
The contractor shall provide excavations, plugs or caps, thrust blocking, traffic control, and other requirements of this section.
If the utility pipeline being tested fails the initial pressure test or the water pipeline being tested fails the initial bacteriological test, the contractor shall reimburse the city for labor, material, and equipment costs for additional pressure testing, additional flushing of water pipelines, and additional bacteriological testing on a time and material basis.
The contractor shall request pipe testing a minimum of forty-eight hours in advance.
New water lines and extensions of water lines in excess of twenty feet in length shall satisfactorily pass hydrostatic pressure tests and bacteriological tests before the new mains or extensions are connected to the existing water system.
The engineer may order a second bacteriological test at his discretion forty-eight hours after final connections are made and before the new line is placed in service. The city will pay the cost of this test. If this test fails, costs of flushing and additional tests shall be the responsibility of the contractor.
D. Section 7-09.1 is amended by replacing it with the following paragraph:
Pipe for water mains shall be ductile iron or PVC conforming to Sections 9-30.1(1) and 9-30.1(5) unless specifically approved otherwise by the Engineer. Restrained joints shall be used only with approval by the Engineer.
E. The first paragraph of Section 7-17.2 is amended by replacing it with the following paragraph:
Pipe for sewer mains shall be ductile iron sewer pipe or PVC conforming to Sections 9-05.13 and 9-05.12 unless specifically approved otherwise by the Engineer.
(Ord. 15-19 §1 (part), 2015: Ord. 1471 §3(5), 2000).
15.06.080 Amendments--Division 9.
Division 9 of the Standard Specifications is revised as follows:
A. Section 9-01.1, Type of Cement, is amended to read:
Cement shall be classified as Type I cement, Type II cement, or Type III cement.
B. The requirements of Sections 9-02.2(1) and 9-02.2(2) are waived by the engineer on nonfederally funded projects using less than three thousand tons of asphalt concrete pavement.
C. The gradation for top course and keystone in Section 9-03.9(3), Crushed Surfacing, is replaced with the following:
|
Sieve Size |
Percent Passing |
|---|---|
|
1" |
100 |
|
3/4" |
94-100 |
|
1/4" square |
55-75 |
|
U.S. No. 40 |
8-24 |
|
U.S. No. 200 |
10.0 max. |
|
% Fracture |
75 min. |
|
Sand Equivalent |
35 min. |
D. Section 9-03.12(3) is replaced with the following sentence:
Gravel backfill for pipe bedding shall meet the requirements for crushed surfacing top course in Section 9-03.9(3).
E. Section 9-05.1(5), PVC Drain Pipe, is replaced with the following sentence:
See Section 9-05.12 for requirements for PVC pipe for drains.
F. Add the following sentence to Section 9-30.2(l):
All fittings and valves shall be mechanical joint unless otherwise shown on the construction drawings.
G. Replace the last paragraph of Section 9-30.6(4) with the following:
Fittings used for polyethylene tubing shall be compression type with stainless steel liners.
(Ord. 15-19 §1 (part), 2015: Ord. 1471 §3(6), 2000).
15.06.090 Manual adopted.
The city hereby adopts a public works specification and information manual in such form and content as currently on file with the clerk. (Ord. 15-19 §1 (part), 2015: Ord. 1471 §4, 2000).
15.06.100 Council authority.
The council by order may amend, change, supplement or update any and all sections, terms or portions of the manual as presently exist or as hereafter amended. (Ord. 15-19 §1 (part), 2015: Ord. 1471 §5, 2000).
15.06.110 Enforcement.
The city administrator shall carry out the duties of enforcing the rules and regulations of the public works specifications and information manual and may submit recommended amendments to the council. (Ord. 15-19 §1 (part), 2015: Ord. 1471 §6, 2000).