2020 Streets HBP Paving and Chipseal
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CONTRACT DOCUMENTS & SPECIFICATIONS for STREETS DEPARTMENT 2020 HBP PAVING AND CHIPSEAL PROJECTS in the CITY OF FORT MORGAN, COLORADO January 17, 2020 Jim Willis Streets Superintendent Streets & Storm Department Steve Glammeyer, P.E., PWE Public Works Director STREETS DEPARTMENT P.O. BOX 100 FORT MORGAN, COLORADO 80701 (970) 542-3987 City of Fort Morgan INVITATION TO BID Streets Department 2020 HBP Paving and Chipseal Projects The City of Fort Morgan is accepting sealed Bids for 2020 HBP Paving and Chipseal Projects until 3:00 p.m. (our clock) on February 20, 2020 at City Hall located at 110 Main Street, Fort Morgan, Colorado 80701. If mailed, the address is PO Box 100, Fort Morgan, CO 80701 and must be in a separate sealed envelope from the shipping package. Bids must be received at City Hall prior to 3:00 p.m. (our clock) on February 20, 2020. Project Summary and Bid Document Information: The following projects generally consist of full width asphalt removal (~3” to 7” deep), installation of flyash subgrade stabilization and installation of HBP on: Project A – East Beaver Avenue: West End – Industry Drive (Industrial Park) Project B – East 9th Avenue: Carol Street – Vicki Street Project C – Carol Street: E. 8th Avenue – E. 6th Avenue Project D – Park Street: W. 7th Avenue - Platte Avenue Project E – Park Street: Platte Avenue - E. Bijou Avenue Project F – Comanche Avenue: Nelson Road – Cheyenne Street Project G – Lowell Place: North of Comanche Avenue Project H – Navajo Avenue: Cheyenne Street – Colfax Street Project I – Landmark Drive: Alpine Avenue – Century Avenue The following projects generally consist of installation of application of polymerized emulsified asphalt, cover coat aggregate called chip seal followed by fog seal (chip seal) on: Project J – Cottonwood Parkway: Riverview Avenue – North End Project K – Osage Avenue: Prairie Place – Cottonwood Parkway Project L – Dakota Avenue: Commons Parkway – Cottonwood Parkway Project M – Commons Parkway: Riverview Avenue – North End Project N – N. half of Canal Street (Asphalt Section): Prairie Place – Commons Parkway Project O – Prairie Place: Canal Street – North End Project P – Ouray Avenue: Prairie Place – Cottonwood Parkway Project Q – Carol Street: E. 8th Avenue – Freemont Avenue Project R – West Kiowa Avenue: West Street – Ensign Street Project S – Colfax Street: Navajo Avenue – W. Acoma Avenue Project T – Saunders Road: East 8th Avenue – City Limits Projects A, B, C, D, I and Q are anticipated to have some element of utility repair, upgrade or replacements prior to the paving or surface treatment projects proceeding. Additional HBP installation is required to repair the trench on projects I & Q and is included in the bid schedule. (Listed as projects I and Q-1). Project I will be a trench repair for a sanitary sewer main line install. Concrete sidewalk and/or curb and gutter work associated with all of these projects is being contracted separately, unless otherwise noted, and is not included in this work. Bidders may bid both paving and chipseal projects, just paving projects or just chipseal projects. A copy of the Bid and associated documentation may be obtained as follows: 1. The City website at www.cityoffortmorgan.com 2. City Hall located at 110 Main Street, Fort Morgan City of Fort Morgan INVITATION TO BID Streets Department 2020 HBP Paving and Chipseal Projects Pre-Bid Meeting: A mandatory pre-bid meeting will be held on Tuesday, February 11, 2020 at 2:00 p.m. at City Hall located at 110 Main Street. All prospective Bidders must attend this pre-bid meeting in order for the City to accept their Bid. Questions: All questions regarding this bid should go to Jim Wills, Streets Superintendent at (970) 542-3987. Questions must be in writing and can be e-mailed to [email protected]. The cut-off date and time for questions is Friday, February 14, 2020 at 9:00 a.m. It is the responsibility of the prospective bidders to contact Jim Willis to verify receipt of questions. Based upon such inquiry, the City may choose to issue an Addendum before and/or after the mandatory pre-bid meeting. Opening Date: The opening will not be a public bid opening as it will be subject to staff review of costs, schedule, options, qualifications, possible short list and/or interviews. City of Fort Morgan INFORMATION TO BIDDERS City of Fort Morgan Streets Department 2020 HBP Paving and Chipseal Projects I. SCOPE OF WORK Project A consists of removing and hauling all existing asphalt to a depth of 3” to 7” and to include removal of 0.1’ of existing subgrade, installation of flyash soil stabilization material to a depth of 12” and to include all compaction and repaving the street section with 1 -4” bottom mat of HBP and 1- 3” top lift of HBP. The Bid shall consist of furnishing all labor, materials, and equipment necessary to complete soil stabilization and HBP installation to those streets listed on the Location Schedule in the Specifications, or as directed by the City Project Representative. More specifically, this project shall consist of applicable traffic control, valve/manhole adjustments, asphalt removal from paved existing roadway, installation and compaction of soil stabilization (flyash) and placing hot bituminous pavement. All roadway cross slopes shall be set at a two percent minimum and three percent maximum. Projects B through I & Q-1 consist of removing and hauling all existing asphalt or base material to a depth of 3” to 6” and to include removal of 0.1’ of existing subgrade, installation of flyash soil stabilization material to a depth of 12” and to include all compaction and repaving the street section with 2- 2” lifts of HBP. The Bid shall consist of furnishing all labor, materials, and equipment necessary to complete soil stabilization and HBP installation to those streets listed on the Location Schedule in the Specifications, or as directed by the City Project Representative. More specifically, these projects shall consist of applicable traffic control, valve/manhole adjustments, asphalt removal from paved existing roadway, installation and compaction of soil stabilization (flyash) and placing hot bituminous pavement. All roadway cross slopes shall be set at a two percent minimum and three percent maximum. Projects J through T consist of installation of application of polymerized emulsified asphalt, cover coat aggregate called chip seal followed by a fog seal. The Bid shall consist of furnishing all labor, materials and equipment necessary to complete the surface treatment on the Location Schedule in the Specifications or as directed by the City Project Representative. More specifically, these projects shall consist of applicable traffic control, surface preparation, protection of all existing roadway markings and application of the chipseal and fog seal according to the specifications attached to these documents. City crews will patch and crack seal these projects prior to performance of this portion of the project. The City is also able to provide a site for temporary stockpile of chip material. The location of the site will be determined after bid selection. Page 1 of 17 2020 HBP Paving and Chipseal Projects City of Fort Morgan INFORMATION TO BIDDERS City of Fort Morgan Streets Department 2020 HBP Paving and Chipseal Projects Further details are listed for each project below: Full removal and replacement: Project A – East Beaver Avenue: West End – Industry Drive 1. Class S75 PG58-28 All construction shall be installed in conformance to Section 400 of the CDOT Standard Specifications for Road and Lower 4” lift Bridge Construction as applicable to this project. The HBP shall consist of CDOT (Grade S)(75)(PG58-28) with 25% or less RAP materials and shall be compacted in accordance with CDOT guidelines. The gutter shall be prime coated in accordance to Section 407. Prime coat type shall be listed on CDOT’s approved materials list. Work shall include all saw cutting of roadways. 2. Class SX75 PG58-28 All construction shall be installed in conformance to Section 400 of the CDOT Standard Specifications for Road and Upper 3” lift – final Bridge Construction as applicable to this project. The HBP wearing course shall consist of CDOT (Grade SX)(75)(PG58-28) with 25% or less RAP materials and shall be compacted in accordance with CDOT guidelines. The gutter shall be prime coated in accordance to Section 407. Prime coat type shall be listed on CDOT’s approved materials list. Work shall include all saw cutting of roadways. 3. Rotomill existing The existing pavement shall be rotomilled and hauled to the asphalt to subgrade City’s staging facility located on South Sherman Street. Asphalt section plus .10 foot of subgrade maximum. 4. Furnish and install fly All construction shall be in conformance the Colorado 2011 ash for soil stabilization Standard Specifications for Road and Bridge Construction, @ 12% to a depth of including Special Provision to Section 307 as listed herein. 12 inches, including 12% Class C fly ash, based on dry unit weights shall be compaction blended into the top 12-inches of the subgrade and adjusted in moisture and compacted immediately after incorporation. The moisture content of the blended material should be adjusted within 2% of the optimum moisture content and compacted to 95% of the standard proctor maximum dry density value. The fly ash shall be mixed in place and the subgrade shall be compacted and proof rolled with a rubber- tired roller. Removal of excess subgrade material shall be considered a part of Bid Item. 5. Raise water valves All existing water/gas valves shall be lowered to a safe depth before construction and then raised to the proposed finished grade following installation of the HBP. A 6” thick concrete collar shall be constructed around the water valves.