ADDENDUM NO. 1 March 15, 2017 CONTRACT DOCUMENTS FOR ETHAN ALLEN GATEWAY STREETSCAPE CITY OF TAKOMA PARK IFB NO. HCD-20170201 SHA CONTRACT NO. MO0705125 FAP NO. TAP-3(481)E TO ALL PROSPECTIVE BIDDERS: The original specifications and plans for the project noted above are hereby modified as described below: Qualifications and Bids are due in separate sealed envelopes by 3:30 pm on Wednesday, April 12, 2017. The Bid Opening Date is now scheduled for April 24, 2017. Pre-Bid Questions and Responses are included as an attachment to this letter. Receipt of this ADDENDUM shall be acknowledged by attaching it to the Bid Proposal. Failure to acknowledge this ADDENDUM in the manner described above shall render the bidder’s proposal non- responsive. The attention of Prospective Bidders is directed to the following changes and/or additions to the Contract Documents: INVITATION FOR BIDS Page No. Description COVER REVISED COVER. Revised Notice to Bidders to read “Qualifications and Bids are due in separate sealed envelopes by 3:30 pm on Wednesday, April 12, 2017.” VII REMOVED SP-Section-902 – Portland Cement Concrete and Related Products (Table 902A). REVISED SPI -Section 920 – Landscaping Materials to SP – Section 920 – Landscaping Materials. 1 REVISED CITY OF TAKOMA PARK SUPPLEMENTAL SUBMITTAL REQUIREMENTS City IFB No. HCD-20170201. Revised procedure and submission dates for qualifications and bids. 89-89C REVISED SECTION 101 – CLEARING AND GRUBBING. Revised to match current specification issued from MDSHA on 02/09/17. 120-121 REVISED SECTION 201 – ROADWAY EXCAVATION. Revised section 201.03.09. Ethan Allen Avenue Gateway Addendum No. 1 IFB NO. HCD-20170201 SHA CONTRACT NO. MO0705125 FAP NO. TAP-3(481)E March 15, 2017 Page 2 175-178A REVISED SECTION 505 – HOT MIX ASPHALT PATCHES. Revised to match current specification issued from MDSHA on 02/09/17. 216-219B REVISED SECTION 701 – TOPSOIL AND SUBSOIL. Revised to match current specification issued from MDSHA on 02/09/17. 220-223 REVISED SECTION 704 – TEMPORARY MULCH AND TEMPORARY SEED. Revised to match current specification issued from MDSHA on 02/09/17. 224-229 REVISED SECTION 705 – TURFGRASS ESTABLISHMENT. Revised to match current specification issued from MDSHA on 02/09/17. 230-234 REVISED SECTION 708 – TURFGRASS SOD ESTABLISHMENT. Revised to match current specification issued from MDSHA on 02/09/17. 235-241 REVISED SECTION 709 – SOIL STABILIZATION MATTING. Revised to match current specification issued from MDSHA on 02/09/17. 242-255 REVISED SECTION 710 – TREE, SHRUB, AND PERENNIAL INSTALLATION AND ESTABLISHMENT. Revised to match current specification issued from MDSHA on 02/09/17. 256-261 REVISED SECTION 711 – ANNUALS AND BULBS INSTALLATION AND ESTABLISHMENT. Revised to match current specification issued from MDSHA on 02/09/17. 262-264 REVISED SECTION 712 – TREE BANCH PRUNING. Revised to match current specification issued from MDSHA on 02/09/17. 265-266 REVISED SECTION 715 – TREE ROOT PRUNING. Revised to match current specification issued from MDSHA on 02/09/17. 336-353A REVISED SECTION 902 – PORTLAND CEMENT CONCRETE AND RELATED PRODUCTS. Revised to match current specification issued from MDSHA on 02/09/17. 373- 402 REVISED SECTION 920 – LANDSCAPING MATERIALS. Revised to match current specification issued from MDSHA on 02/09/17. 622 REVISED CITY OF TAKOMA PARK PROPOSAL FORM. Revised the date and time when Qualifications and Invitation for Bids must be received. 628 REVISED ITEM 2001 CUBIC YARD OF CLASS 1 EXCAVATION to 2,100 CUBIC YARDS. 633 REMOVED ITEM 3030 6 SQUARE YARDS of CLASS 0 RIPRAP FOR SLOPE AND CHANNEL PROTECTION PLANS Drawing No. Description TITLE REVISED TITLE SHEET. Added Addendum No. 1 to Revision Block. Ethan Allen Avenue Gateway Addendum No. 1 IFB NO. HCD-20170201 SHA CONTRACT NO. MO0705125 FAP NO. TAP-3(481)E March 15, 2017 Page 3 DT01 REVISED PAVEMENT DETAILS SHEET. Added note pavement legend number 14 to Pavement Detail F. PS-02A REVISED ROADWAY PLAN SHEET. Added construction notes for: Grinding Asphalt Pavement 0 Inch to 2 Inch; 9 Inch Plain Portland Cement Concrete, Mix 9; 8 Inch Portland Cement Concrete for Driveway, Mix 9; Standard Type A Combination Curb and Gutter, any Height; Standard Type A Curb any Height or Depth; Monolithic Concrete Median 6 Feet 0 Inch Wide Type A-1; Detectable Warning Surface for Curb Ramps (Red) MD-655.40; Specialty Paver – Type 2; 5 Inch Concrete Sidewalk; Mix No. 8 Concrete for SWM Structures (Gravity Walls); Mix No. 9 Concrete For Miscellaneous Structures (Concrete Encasement for I-6); and Class 0 Riprap for Slope and Channel Protection. PS-03 REVISED ROADWAY PLAN SHEET. Added construction notes for: Standard Type A Curb and Gutter any Height or Depth; 5 Inch Concrete Sidewalk; Grinding Asphalt Pavement 0 Inch to 2 Inch; 9 Inch Plain Portland Cement Concrete, Mix 9; 8 Inch Portland Cement Concrete for Driveway, Mix 9; Standard Type A Combination Curb and Gutter, Any Height or Depth; Detectable Warning Surface for Curb Ramps (Red) MD-655.40; and Specialty Paver – Type 2. PS-04 REVISED ROADWAY PLAN SHEET. Added construction notes for: Grinding Asphalt Pavement 0 Inch to 2 Inch; 8 Inch Portland Cement Concrete for Driveway, Mix 9; Standard Type A Combination Curb and Gutter, any Height or Depth; Standard Type A Curb Any Height or Depth; 5 Inch Concrete Sidewalk; Detectable Warning Surface for Curb Ramps (Red) MD-655.40; Mix No. 8 Concrete for SWM Structures (Gravity Walls); and Remove and Reset Existing Fence. Before submitting your bid, please remove any Invitation for Bids pages that have been replaced by this Addendum No. 1 and insert the revised Invitation for Bids pages in their proper sequence. Attach this Addendum letter to the front of your Invitation for Bids booklet before submitting your bid. Questions relating to this Addendum No. 1 may be directed in writing to: Ms. Rosalind Grigsby [email protected] 301-891-7205 7500 Maple Avenue Takoma Park, MD 20912 City of Takoma Park Housing and Community Development 7500 Maple Avenue, Takoma Park, MD 20912 c/o Rosalind Grigsby City of Takoma Park IFB No. HCD-20170201 ETHAN ALLEN GATEWAY STREETSCAPE SHA Contract No. MO0705125 FAP No. TAP-3(481)E SHA Tracking No. 15APMO015XX NOTICE TO BIDDERS A Pre-Bid Meeting will be conducted on Thursday, March 2, 2017 at 10:00 am. The meeting will be held in the Conference Room of the City of Takoma Park’s office located at 7500 Maple Avenue, Takoma Park, Maryland 20912. While attendance at the Pre-Bid Meeting is not mandatory, this is the offeror’s opportunity to raise questions and/or issues of concern regarding the project. Qualifications and Bids are due in separate sealed envelopes by 3:30 pm on Wednesday, April 12, 2017. Ethan Allen Gateway Streetscape City of Takoma Park, MD SHA TRACKING NO. 15APMO015XX IFB No. HCD-20170201 SHA Contract No. MO0705125 / FAP No. TAP-3(481)E TABLE OF CONTENTS SP – Section 901 – Aggregates 901.06 – Stone for SWM Facility .................................................................................. 335 SPI – Section 902 – Portland Cement Concrete and Related Products ..................................................................................................... 336 SPI – Section 904 – Performance Graded Asphalt Binders and Asphalt Mixes ................... 354 SPI – Section 905 – Pipe ........................................................................................................ 363 SPI – Section 908 – Reinforcement Steel .............................................................................. 368 SPI – Section 909 – Metals .................................................................................................... 370 SPI – Section 916 – Soil and Soil Aggregate Borrow ........................................................... 372 SP – Section 920 – Landscaping Materials............................................................................ 373 SP – Section 920 – Landscaping Materials 920.01.06 – (RGSM & HFTM) ..................................................................................... 403 SPI – Section 921 – Miscellaneous 921.09 – Geotextiles ..................................................................................................... 407 SPI – Section 925 – Detectable Warning Surfaces ................................................................ 410 CATEGORY 950 TRAFFIC MATERIALS SPI – Section 950.03 – Reflectorization of Signs and Channelizing Devices .................................................................................................... 412 SP – Section 950.15 – Traffic Signal Heads .......................................................................... 414 SP – Section 951 – Pavement Marking Materials 951.01 Nontoxic Lead Free Waterborne Pavement Markings ....................................... 416 SP – Section 951 – Pavement Marking Materials 951.04 Removable Pavement Marking Tape ................................................................. 420 VII CITY OF TAKOMA PARK SHA PERMIT NO. 15APMO01516 INVITATION FOR BIDS No. HCD-20170201 SHA CONTRACT NO. MO0705125 / FAP No. TAP-3(481)E ETHAN ALLEN GATEWAY STREETSCAPE PROJECT CITY OF TAKOMA PARK SUPPLEMENTAL SUBMITTAL REQUIREMENTS City IFB No. HCD-20170201 All responses must be complete. The City reserves the right to disregard any incomplete bid responses. The City will exercise a multi-step bidding process. Bidders responding to this Invitation for Bids are to provide two sealed and labeled envelopes at the same time by 3:30 pm on Wednesday, April 12, 2017 : 1. Labeled “Qualifications”