Special Conditions for Construction Town of Gilbert Project No. Pr084
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Town of Gilbert Project PR084 Final Special Conditions Santan Vista Trail Phase 2 2017-11-27 SPECIAL CONDITIONS FOR CONSTRUCTION TOWN OF GILBERT PROJECT NO. PR084 SANTAN VISTA TRAIL PHASE 2 1 Town of Gilbert Project PR084 Final Special Conditions Santan Vista Trail Phase 2 2017-11-27 TABLE OF CONTENTS: TABLE OF CONTENTS: ................................................................................................ 3 SPECIAL CONDITIONS ................................................................................................. 4 SECTION 101 ABBREVIATIONS and DEFINITIONS .................................................. 10 SECTION 105 CONTROL OF WORK .......................................................................... 11 SECTION 106 CONTROL OF MATERIALS ................................................................. 16 SECTION 107 LEGAL REGULATIONS AND RESPONSIBILITY TO PUBLIC ........... 23 SECTION 109 MEASUREMENTS and PAYMENTS .................................................... 32 SECTION 201 CLEARING AND GRUBBING .............................................................. 33 SECTION 205 ROADWAY EXCAVATION ................................................................... 35 SECTION 206 STRUCTURE EXCAVATION AND BACKFILL .................................... 36 SECTION 211 FILL CONSTRUCTION ......................................................................... 37 SECTION 230 DUST PALLIATIVE APPLICATION...................................................... 38 SECTION 310 PLACEMENT AND CONSTRUCTION OF AGGREGATE BASE COURSE ....................................................................................................................... 39 SECTION 321 ASPHALT CONCRETE PAVEMENT .................................................... 40 SECTION 340 CONCRETE CURB, GUTTER, SIDEWALK, SIDEWALK RAMPS, DRIVEWAY AND ALLEY ENTRANCE: ....................................................................... 41 SECTION 343 EXPOSED AGGREGATE PAVING ...................................................... 43 SECTION 345 ADJUSTING FRAMES, COVERS, VALVE BOXES AND WATER METER BOXES ............................................................................................................ 45 SECTION 350 REMOVAL OF EXISTING IMPROVEMENTS ....................................... 46 SECTION 401 TRAFFIC CONTROL ............................................................................ 48 SECTION 424 PARKWAY GRADING .......................................................................... 53 SECTION 430 LANDSCAPING AND PLANTING ........................................................ 54 SECTION 431 LANDSCAPE AND IRRIGATION RESTORATION .............................. 68 SECTION 440 SPRINKLER IRRIGATION SYSTEM INSTALLATION ......................... 74 SECTION 505 CONCRETE STRUCTURES ................................................................. 87 SECTION 530 PAINTING ............................................................................................. 90 SECTION 900 SITE FURNISHINGS ............................................................................. 91 APPENDIX ‘A’ GEOTECHNICAL REPORT ................................................................. 93 3 Town of Gilbert Project PR084 Final Special Conditions Santan Vista Trail Phase 2 2017-11-27 SPECIAL CONDITIONS The work described herein and shown on the Plans for this project shall be performed in accordance with the Town of Gilbert Public Works and Engineering Standards and Details (September 2015), Maricopa Association of Governments (MAG) Uniform Standard Specifications and Uniform Standard Details for Public Works Construction, 2015 Edition, Town of Gilbert Supplement to MAG Standard Specifications (September 2015), applicable ADOT Standard Specifications for Road and Bridge Construction, 2008 Edition, applicable ADOT Standard Details, applicable SRP Standard Specifications and Details and additional Special Conditions that follow. In the event a conflict exists on the plans or between the plans and referenced specifications or these construction special conditions, the order of precedence shall be as follows: • Addenda • The Special Conditions for Construction • Town of Gilbert Construction Contract General Conditions • The Project Plans • Town of Gilbert Standard Specifications and Details, 2015 • Maricopa Association of Governments (MAG) Uniform Standard Specifications and Details for Public Works Construction, 2015 • 2009 Manual on Uniform Traffic Control Devices (MUTCD) with Supplements • Salt River Project Specifications and Details • ADOT Standard Specifications for Road and Bridge Construction (2008) and related Details LOCATION OF THE WORK: Pathway improvements are located along the Eastern Canal in the Town of Gilbert, Maricopa County, Arizona (Section 21, Township 1 South, Range 6 East) beginning approximately at the intersection of Ray Road and Val Vista Drive and heading in an northeasterly direction along the Eastern Canal to the approximate intersection of Warner Road and Greenfield Road. PROPOSED WORK: The work consists of providing a concrete multi-use pathway with compacted decomposed granite shoulders, all sub grade excavation and preparation, drainage systems and swales, furnishing and installing ramada and other site furnishings, furnishing and installing landscape and landscape irrigation and other related incidental work. 4 Town of Gilbert Project PR084 Final Special Conditions Santan Vista Trail Phase 2 2017-11-27 GEOTECHNICAL REPORT: A copy of the Geotechnical Engineering Report can be found in Appendix A. The report was prepared by RAMM, dated October 31, 2016 and Supplement No. 1 dated November 7, 2016. It is the Contractor’s responsibility to review this document during preparation of their bid to be cognizant of existing soil conditions discovered at those locations. The Contractor, at their sole cost, may make any other arrangements they deem necessary to become familiar with underground soils conditions prior to submitting a bid. CONTRACT STANDARD SPECIFICATIONS AND DRAWINGS: The following Standard Specification and Standard Drawings referenced in the project contract documents are required for construction of this project: • MAG Uniform Specifications and Details for Public Works Construction, 2015 Edition • ADOT Standard Specifications for Road and Bridge Construction, 2008 Edition. • Town of Gilbert Public Works and Engineering Standards and Details, September 2015 • Town of Gilbert Supplements to MAG Standard Specifications and Details, September 2015 • Manual on Uniform Traffic Control Devices (MUTCD), 2009 Edition. • SRP Standard Specifications and Details. The following conditions or items are not considered for separate measurement or payment and are therefore considered incidental to an item to which it is closely associated. GENERAL: Warning, regulatory, guide and route marker signs and delineators and markers that interfere with construction operations shall be removed, salvaged, and reinstalled as directed by the Engineer. No measurement or direct payment will be made for this work, the cost is being considered as included in the price of contract items. 5 Town of Gilbert Project PR084 Final Special Conditions Santan Vista Trail Phase 2 2017-11-27 The contractor shall develop a schedule for all construction activities. This schedule shall be updated weekly and shall be submitted to Town of Gilbert and SRP. The schedule and traffic control shall be developed in such a way that accesses or alternative access to the Canal system is maintained for SRP Access at all times during construction. The contractor shall contact adjacent residences two weeks prior to construction in the area to inform adjacent property owners regarding the work effort and expected schedule to complete in accordance to section 107.15 Public Information and Notification. Traffic control plans shall be submitted to the Engineer for approval. The Engineer based upon a review, discussion, and acceptance of the traffic control efforts by the Town and SRP will provide approval of the traffic control plans. The SRP canal system may require emergency access by SRP. SRP maintains a legal right of entry and access to these facilities on a 24 hours per day, seven days per week basis to cover emergency related access issues. Construction related work that may impede this access shall be coordinated with SRP. Contractor shall coordinate access issues with SRP’s Mr. Jim Duncan Senior Analyst Mail Station PAB106 P.O. Box 52025 Phoenix, AZ 85072-2025 (602) 236-5380 All work shall be in compliance with the 2008 National Electric Code (NEC), National Electric Safety Code (NESC) and Occupational Safety and Health Administration Act (OSHA). The most restrictive provision(s) will apply. WORKING HOURS: Work on this project shall not begin before 6:00 a.m. and shall conclude prior to 7:00 p.m. each weekday unless otherwise approved in advance by the Town. Work at times other than those specified will be considered by the Town subject to the duration and type of activity proposed and the resulting impact on adjacent residential and commercial areas. If the Contractor is permitted to work between the hours of 7:00 p.m. and 6:00 a.m., the Town will determine what measures the Contractor will be required to make to inform the affected public. 6 Town of Gilbert Project PR084 Final Special Conditions Santan Vista Trail Phase 2 2017-11-27 Hours for hauling operations shall be subject to approval by, and if necessary, permits from the Town of Gilbert, Maricopa County