City of Springfield, Missouri General Conditions & Technical Specifications for Public Improvements Adopted: 11/01/2017 Dan Smith ________ Director of Public Works TABLE OF CONTENTS GENERAL CONDITIONS AND TECHNICAL SPECIFICATIONS CHAPTER 1 – DEFINITIIONS 1.1 DEFINITION OF ABBREVIATIONS……………………………………………..1-1 1.2 DEFINTIONS AND TERMINOLOGY……………………………..…………….. 1-1 CHAPTER 2 – GENERAL CONDITIONS ARTICLE 1 - DEFINITIONS AND TERMINOLOGY……….……………………… 2-2 ARTICLE 2 - PRELIMINARY MATTERS………………………..…………………. 2-2 ARTICLE 3 - CONTRACT DOCUMENTS: INTENT, AMENDING, REUSE……… 2-4 ARTICLE 4 - AVAILABILITY OF LANDS; SUBSURFACE AND PHYSICAL CONDITIONS; HAZARDOUS ENVIRONMENTAL CONDITIONS; REFERENCE POINTS………………..………………........................................... 2-7 ARTICLE 5 - BONDS AND INSURANCE……………………………………...…… 2-14 ARTICLE 6 - CONTRACTOR'S RESPONSIBILITIES………………………..……. 2-19 ARTICLE 7 - OTHER WORK AT THE SITE………………………………….…….. 2-35 ARTICLE 8 - OWNER'S RESPONSIBILITIES…………………………………..….. 2-37 ARTICLE 9 - ENGINEER'S STATUS DURING CONSTRUCTION…………...…… 2-38 ARTICLE 10 - CHANGES IN THE WORK; CLAIMS………………………...…….. 2-42 ARTICLE 11 - COST OF THE WORK; ALLOWANCES; UNIT PRICE WORK..…. 2-44 ARTICLE 12 - CHANGE OF CONTRACT PRICE; CHANGE OF CONTRACT TIMES……………………………………………………………………………... 2-48 ARTICLE 13 - TESTS AND INSPECTIONS; CORRECTION, REMOVAL OR ACCEPTANCE OF DEFECTIVE WORK……………………………………..…. 2-51 ARTICLE 14 - PAYMENTS TO CONTRACTOR AND COMPLETION………..….. 2-55 ARTICLE 15 - SUSPENSION OF WORK AND TERMINATION………………..… 2-64 ARTICLE 16 - DISPUTE RESOLUTION…………………………………………..… 2-67 ARTICLE 17 – MISCELLANEOUS………….………………………………………. 2-67 CHAPTER 3 – EARTHWORK 3.1 CLEARING AND GRUBBING………………………………….………..……… 3-1 3.2 GRADING…………………………………………………………….…..…..…… 3-2 3.3 SUBGRADE PREPARATION………………………………………….…...……. 3-6 3.4 FILLING EXISTING MANHOLES, CATCH BASINS, INLETS AND MISCELLANEOUS STRUCTURES……………………………………………… 3-9 3.5 REMOVAL OF EXISTING STRUCTURES……………………………..……… 3-9 3.6 REMOVAL OF EXISTING PAVEMENT, CURB, COMBINATION CURB AND GUTTER, DRIVEWAY PAVEMENT, AND SIDEWALK …………………...… 3-10 i CHAPTER 4 – SANITARY SEWERS 4.1 SEWER PIPE……………………………………………………………………… 4-1 4.2 MANHOLES………………………………………………………………………. 4-11 4.3 MANHOLE ADJUSTMENTS…………………………………………………….. 4-13 4.4 SEWAGE PUMPING STATIONS……………………………………..…………. 4-14 4.5 FORCE MAINS……………………………………………………………………. 4-16 4.6 ACCEPTANCE TESTS FOR SEWERS……………………………….………….. 4-16 4.7 ACCEPTANCE TESTS FOR MANHOLES……………………………...………. 4-20 4.8 ADJUSTMENTS OF SANITARY SEWER LATERALS………………...………. 4-20 CHAPTER 5 – STORM SEWERS 5.1 PIPE………………………………………………………….…………………….. 5-1 5.2 STRUCTURES…………………………………………………………………….. 5-8 5.3 FIELD TESTS AND INSPECTIONS……………………..…….………………… 5-13 CHAPTER 6 – PORTLAND CEMENT CONCRETE 6.1 DESCRIPTION…………………………………………………….……………… 6-1 6.2 MATERIALS………………………………………………………..…………….. 6-1 6.3 PROPORTIONS OF MATERIALS………………………………….……………. 6-3 6.4 GENERAL REQUIREMENTS……………………………………….…………… 6-4 6.5 CONCRETE PROTECTION CURING AND PLACING INTO SERVICE………6-6 CHAPTER 7 – MISCELLANEOUS 7.1 CONCRETE STRUCTURES …………………………..…………………………. 7-1 7.2 ADJUSTMENT OF DOWNSPOUT DRAINS……………………..…………… 7-2 7.3 ADJOINING STREETS AND ALLEYS…….……………………….…………… 7-6 7.4 STONE RIPRAP FACING……………..………………………………………….. 7-7 7.5 NOT USED……………….………………………………………………..………. 7-7 7.6 CONSTRUCTION SURVEYING………………………………………………….7-7 7.7 TEMPORARY TRAFFIC CONTROL AND WORK ZONE MANAGEMENT…7-10 CHAPTER 8 – PORTLAND CEMENT CONCRETE CURB AND GUTTER 8.1 CURB AND GUTTER…………………………………………………………….. 8-1 CHAPTER 9 – PORTLAND CEMENT CONCRETE PAVEMENT AND INTEGRAL CONCRETE CURB 9.1 PORTLAND CEMENT CONCRETE PAVEMENT…………..………………….. 9-1 9.2 INTEGRAL CURB………………………………………..………………………. 9-8 ii CHAPTER 10 – SIDEWALKS AND DRIVEWAYS 10.1 SCOPE OF WORK………………………………………………………..…..….. 10-1 10.2 MATERIALS…………………..…………………………………………………. 10-1 10.3 CONSTRUCTION METHODS…………………………………………..……… 10-1 10.4 METHOD OF MEASUREMENT…………………...…………………………… 10-4 10.5 BASIC OF PAYMENT……………………………………………………..……. 10-4 CHAPTER 11 – PLANT MIX BITUMINOUS BASE AND PAVEMENT 11.1 GENERAL……………………………………………...………………………… 11-1 11.2 MATERIAL……………………………..………………………………………... 11-1 11.3 NOT USED……………………………………………….…………………….. 11-4 11.4 JOB MIX FORMULA…………………………………….……………………… 11-5 11.5 GRADATION AND DELETERIOUS CONTENT CONTROL…..…………….. 11-6 11.6 LABORATORY…………………………………………………………………...11-7 11.7 CONSTRUCTION REQUIREMENTS …………………………………..……… 11-8 11.8 QUALITY CONTROL AND TESTING………………………………… ….….. 11-12 CHAPTER 12 – NOT USED CHAPTER 13 – SEEDING AND SODDING 13.1 SEEDING………………………………………………………………...………. 13-1 13.2 NATIVE GRASS AND WILDFLOWERS……..…………………….…….……. 13-4 13.3 NOT USED………………………………..……………………………………… 13-7 13.4 SODDING……………………………………………………………...………… 13-9 CHAPTER 14 – TRAFFIC SIGNALS 14.1 GENERAL………………...……………………………………………………… 14-1 14.2 EQUIPMENT………………………………………………..…………………… 14-4 14.3 INSTALLATION……………………………………………...…………………. 14-25 CHAPTER 15 – NOT USED 16 TEMPORARY EROSION AND SEDIMENT CONTROL 16.1 GENERAL………………………………………………..…………………..…...16-1 16.2 DEFINITIONS…………………………………………………………………….16-1 16.3 MATERIALS……………………………………………………………………...16-1 16.4 PROJECTS DISTURBING 1 ACRE OF GREATER……………………………..16-2 16.5 PROJECTS DISTURBING LESS THAN 1 ACRE……………………………….16-5 iii 16.6 INDEMNITY………………………………………………………………………...16-6 16.7 ENFORCEMENT…………………………………………………………………....16-6 16.8 MEASUREMENT AND PAYMENT.………………………………………………16-6 iv GENERAL CONDITIONS & TECHNICAL SPECIFICATIONS 1 – DEFINITIONS 1 DEFINITIONS 1.1 DEFINITION OF ABBREVIATIONS 1. AASHTO – American Association of State Highway and Transportation Official 2. ACI – American Concrete Institute 3. ANSI – American National Standards Institute 4. ASTM – American Society for Testing and Materials 5. AWWA – American Water Works Association 6. IMSA – International Municipal Signal Association 7. ITE – Institute of Transportation Engineers 8. NEMA – National Electrical Manufacturing Association 1.2 DEFINTIONS AND TERMINOLOGY 1.2.1 Definitions. Wherever used in the Bidding Requirements or Contract Documents and printed with initial capital letters, the terms listed below will have the meanings indicated which are applicable to both the singular and plural thereof. In addition to terms specifically defined, terms with initial capital letters in the Contract Documents include references to identified articles and paragraphs, and the titles of other documents or forms. 1. Addenda. Written or graphic instruments issued prior to the opening of Bids which clarify, correct, or change the Bidding Requirements or the proposed Contract Documents. 2. Agreement. The written instrument which is evidence of the agreement between Owner and Contractor covering the Work. 3. Application for Payment. The form acceptable to Engineer which is to be used by Contractor during the course of the Work in requesting progress or final payments and which is to be accompanied by such supporting documentation as is required by the Contract Documents. 4. Asbestos. Any material that contains more than one percent asbestos and is friable or is releasing asbestos fibers into the air above current action levels established by the United States Occupational Safety and Health Administration. 1-1 GENERAL CONDITIONS & TECHNICAL SPECIFICATIONS 1 – DEFINITIONS 5. Advertisement. The public announcement, as required by law, inviting bids for work to be performed or materials to be furnished. 6. Award. The action of the City accepting the proposal of the lowest responsible bidder for the work, subject to the execution and approval of a satisfactory contract therefor and bond to secure the performance thereof, and to such other conditions as may be specified or as required by law. 7. Bid. The offer or proposal of a Bidder submitted on the prescribed form setting forth the prices for the Work to be performed. 8. Bidder. The individual or entity who submits a Bid directly to Owner. 9. Bidding Documents. The Bidding Requirements and the proposed Contract Documents (including all Addenda). 10. Bidding Requirements. The advertisement or invitation to bid, Instructions to Bidders, Bid security of acceptable form, if any, and the Bid Form with any supplements. 11. Bid Security. A bid security shall be a bond provided by a surety company authorized to do business in this State, or the equivalent in cash, or otherwise supplied in a form satisfactory to the City in an amount equal to or at least 5% of the amount of the bid. 12. Change Order. A document which is signed by Contractor, Engineer of Record, and Owner and authorizes an addition, deletion, or revision in the Work or an adjustment in the Contract Price or the Contract Times, issued on or after the Effective Date of the Agreement. 13. Contract Documents. Those items so designated in the Agreement. Only printed or hard copies of the items listed in the Agreement are Contract Documents. Approved Shop Drawings, other Contractor submittals, and the reports and drawings of subsurface and physical conditions are not Contract Documents. 14. Claim. A demand or assertion by Owner or Contractor seeking an adjustment of Contract Price or Contract Times, or both, or other relief with respect to the terms of the Contract. A demand for money or services by a third party is not a Claim. 15. Contaminated Environmental Media. Soil, sediment, ground water, or air contaminated with Hazardous Substances. 16. Contract. The entire and integrated written agreement between the Owner and Contractor concerning the Work. The Contract supersedes prior negotiations, representations, or agreements, whether written or oral. 17. Contract Bond. The form of