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SR28/13th Avenue Intersection Traffic Mitigation
City of Quincy
EXPIRED

DETAILS

location:  Quincy-98848, WA-GRANT County
bid date & time:  January 17, 2019 11:00 AM (PST)
summary:  The City of Quincy will receive sealed bids until 11:00 a.m. on January 17, 2019, for the reconstruction of SR28 and 13th Avenue Traffic Mitigation. As soon thereafter as possible, the bids will be opened publicly in the Quincy Police Department Meeting Room at 223 1st Ave SW and read aloud. Bids shall be addressed to City Engineer, City of Quincy, PO Box 338, Quincy, Washington 98848, and the envelope containing the bid shall be clearly labeled "Bid for City of Quincy SR28-13th Avenue Traffic Mitigation”. The project is located within the City of Quincy, Washington in Grant County. The project includes the construction of a roundabout at SR28 and 13th Avenue by clearing and grubbing; widening by grading the horizontal and vertical alignment; constructing curb, gutter, raised islands and sidewalk; installing storm drainage; placing crushed rock and HMA surface; installing illumination; and other work. Time for completion of the work is limited to 60 working days. All work performed on the project will be subject to state prevailing wages. Interested Bidders may arrange a site visit by contacting Mr. Ariel C. Belino at (509) 787-3523 ext. 258. The project manual may be inspected at the following locations beginning on December 27, 2018: City of Quincy TENW 115 1st Ave. SW 11400 SE 8th Street, Suite 200 Quincy, WA 98848 Bellevue, WA 98004 (509) 787-3523 (425) 250-5004 The complete digital Project Manual which includes the bid documents, specifications and plan set are available at www.solicitbid.com. Bidders may download the digital project manual by entering XXX. Copies of the Project Manual with half-sized plan sheets may also be purchased from the City of Quincy at the Public Services Building at 115 1st Ave SW upon payment of $50.00 for each Manual. Make all checks payable to the City of Quincy. The download fee or purchase price is non-refundable. Each bid shall be accompanied by a bid guaranty bond, or a certified or cashier's check payable to the order of the City of Quincy in a
consultant: Transportation Engineering NorthWest
engineer's estimate:  $1,500,000.00 - $1,800,000.00

DOCUMENTS

ANNOUNCEMENTS

Posted Project Announcements
No announcements have been posted.
February 07, 2019
All bid proposals were rejected and project was re-bid
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RFI BOARD

Posted Posted Question
No RFI responses have been posted.
1.
Q: The 24” HDPE pipe called out for the irrigation line you don’t have a sdr rating. But on your bid item @ you ask for schedule a storm sewer pipe. I would like some clarification of what you are asking for.
January 03, 2019
A: The intersection storm system (Schedule A Cost Est Summary) should be Schedule A Storm Sewer per the WSDOT Standard Specifications as listed. See response to Question 3 below for updated information.
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2.
Q: Per special provisions page 53 under section 8-20.2 lines 33-34 (attached), the Cooper/Navion LED part number shown is NAV-AE-06-E-UNV-T3 or an approved equal. The part number on plan sheet IL-6.00 (PAGE 35) shows NVN-AF-04. Typically the special provisions override the plan sheets unless stated otherwise. In order to cross a possible approved equal from the WSDOT pre-approved list, will you please verify which part number is required?
January 03, 2019
A: The luminaire type on the plan sheet is correct, Streetworks Navion NVN-AF-04-LED-U-T3R. This shall override the fixture detailed in the special provisions. Per the special provisions, an approved equal is still allowable but shall be from the WSDOT pre-approved list.
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3.
Q: Is the 24” irrigation line fusion pipe or is it bell and spigot? Are you looking for an 24” sdr21 100psi HDPE pipe or something else?
January 03, 2019
A: The 24” irrigation line is fusion pipe. SDR 21 / 100 psi 24” HDPE pipe is acceptable for this irrigation crossing.
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4.
Q: Is it allowable to utilize the full detour plan shown on page TC-7.07 for the majority of construction if operations are maintained per section 1-08.5 of the special provisions "The CONTRACTOR’S operations shall be conducted to allow two-lane two-way traffic flow during non-working hours, weekends, holidays, and the day before major holiday weekends."
January 04, 2019
A: Given the amount of traffic traveling along SR28 in this area, the intent of the traffic control plans is to maintain traffic through the intersection as much as possible. The north leg of the intersection can be closed for the duration of the project as depicted in traffic control scenarios TC-7.00 - TC-7.06. The full closure detour plan (TC-7.07) shall only be utilized if a portion of the project cannot be built while maintaining traffic through the intersection and approved by the City prior to implementation. The contractor may present the City with alternative traffic control plans for construction of the roundabout during the pre-construction meeting.
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5.
Q: Sheet UT 4.01 shows a 116 LF of 48" CMP Pipe for dry utilities crossing. What is the measurement for payment on this item? Sheet UT 4.03 shows a 48" CMP pipe crossing for what appears to be the irrigation. What is the measurement of payment for this item? Bid item 30 on the bid proposal calls out 117 LF of SCHEDULE A STORM SEWER PIPE 48 IN. DIAM. Where is this pipe located on the plans? How is truck apron and splitter island concrete placement measured and paid for?
January 04, 2019
A: All embankment materials should not be assumed to be taken from the project site. There should be an additional line item of “Gravel Borrow Incl. Haul” of 2100 C.Y. between bid items 21 and 22, Section 2-03. An updated Proposal table has been added to the SolicitBid documents. The measurement for the dry utilities crossing is lineal feet. Bid item 30 is the pipe called out as 48” CMP on sheet UT-4.01 and is for the dry utilities crossing. The measurement of payment for the irrigation crossing is also lineal feet. The irrigation crossing is included in bid item 29. The truck apron, splitter island, and buffer strip concrete placement is measured in square yards and is paid for in bid item 26, “Pigmented Cement Concrete Pavement”.
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6.
Q: 1-08.4 requires irrigation work to be completed prior to March 4. With bids due 10th due you have an estimated date for award and notice to proceed?
January 07, 2019
A: We are estimating to award the project the week of January 14th and notice to proceed the week of February 11th.
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7.
Q: 1-08.4.a of the Special Provisions states that "All underground utility work including the work described above will need to be complete prior to the canal being filled with water, which is March 4, 2019." Does this statement apply only to the irrigation work in Schedule C or does it apply to all utilities on the project (storm, dry utilities, etc.)?
January 07, 2019
A: This applies to all underground utility work that is in the vicinity of the existing irrigation canal. USBR and the Irrigation District have restrictions on the construction work in the vicinity of the irrigation canal.
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8.
Q: I believe the 24" irrigation crossing is intended to be included in bid item 2 on Schedule C. Sheet UT 4.03 shows to begin 48" CMP pipe Begin 30+55.50 75.26 LT End 48" CMP pipe 30+54.69 86.54 RT. I assume the 48" CMP casing pipe is incidental to bid item 2 on schedule C? Can you provide a detail of the casing and carrier pipe?
January 07, 2019
A: The irrigation crossing is not encased. The callouts for a 48” CMP pipe on a portion of the irrigation line are incorrect on UT-4.03. The irrigation crossing pipe itself only consists of bid item 2 on Schedule C. See responses to Questions 1 and 3 for additional details on the irrigation crossing pipe.
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9.
Q: 1) They have a sequence for traffic control with both using flaggers and lane shifts for one, and the other being a full road closure. Is there a limited amount of time, or specific items of work that are limited to the full closure? With the amount of flagging hours, it seems that most of this project would be under a full closure. 2) Working under traffic/flagging, it shows the pedestrian path being outlined with type III barricades, yet maintaining a 4’ path for bikes/pedestrians. Is that correct? Type II barricades would seem to make more sense. 3) Are TCS and other traffic control labor hours included in the flagging hours, or part of lump sum?
January 07, 2019
A: 1) See response to Question 4 for direction on the use of the full closure plan. 2) A minimum 4ft clear pedestrian pathway is required to be maintained through the work zones. The specific type of barricade utilized must meet WSDOT standards for pedestrian accommodations through work zones. 3) Flagging hours are for flaggers only, all other traffic control labor is part of the lump sum estimate.
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10.
Q: 1. WSDOT pays for the Detectable Warning Surface separate from the Concrete ADA Ramps. I do not see a separate item for Detectable Warning Surface. 2. The plans show an HMA pathway. What item is this work paid under, and how are the Detectable Warning Surface’s paid for on the HMA pathway’s? 3. Sheet CR-2.04 Section #2 shows 12 inches of quarry spalls placed in the central island. How are the quarry spalls paid for? 4. There are two types of Engineered Dispersion areas shown on the plan sheets. How are these items paid, and how is the crushed surfacing paid for on the Engineered Dispersion w/gravel? What type of gravel is required, Base Course?
January 08, 2019
A: 1. There should be an additional line item for the Detectable Warning Surfaces. New Bid Item 53, Section 8-09: Detectable Warning Surface, SF, 316. 2. The HMA pathway is paid under item 23, HMA Class 3/8 In. PG 64-28. The detectable warning surfaces for the HMA pathway will also be paid under the new bid item 53. 3. There should be an additional line item for the central island quarry spalls. New Bid Item 58, Section 8-15: Quarry Spalls 12 In. Diam., TON, 120. 4. The Engineering Dispersion items are paid through bid items 43, Seeding, Fertilizing, and Mulching and 49, Topsoil Type C. The gravel for the gravel spreader is bid item 22, Crushed Surfacing Base Course. An updated Proposal has been posted to the SolicitBid documents with these revisions.
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11.
Q: Where is the irrigation system under bid item 49?
January 08, 2019
A: Bid item 50, Irrigation System Complete refers to the temporary irrigation allowance for starting the permanent seeding and engineered dispersion areas.
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12.
Q: 1) I was wondering if you could send me the type of stamp that that city is wanting for a concrete buffer. I’m having a little trouble finding it. 2) What is the color that is specified?  I cannot seem to find this in the specs.  3)Does the 390 SY only apply to the apron? Or just the islands alone?   I come up with 509 SY in the truck apron alone of potentially stamped and colored concrete.
January 08, 2019
A: 1. The colored concrete does not have a stamp/patterned required. 2. See Section 5-05.2 Materials of the Project Special Provisions for the color specifications. 3. The quantities for pigmented cement concrete pavement have been separated into two bid items (27 and 28) An updated Proposal has been posted to the SolicitBid documents with this revision.
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13.
Q: 1) Are all long lines plastic (MMA)? 2) If all long lines are plastic (MMA) are all lines to be GROOVED?
January 08, 2019
A: 1) No, as specified in the construction notes. Some of the striping is painted lines. An updated Proposal has been posted to the SolicitBid documents with this revision for Painted and Plastic Lines. 2) All plastic long lines are to be grooved per the construction notes. The only plastic pavement markings that are not grooved are the symbols proposed on the project.
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14.
Q: What type of curb are the buffer strip cut throughs?
January 08, 2019
A: All splitter island and buffer strip cut throughs are Type 2 curb.
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15.
Q: Will the storm pipe will be pressure or hydrostatic tested after installation on this project?
January 09, 2019
A: The storm system is to be hydrostatic tested. Bid item 31, Testing Storm Sewer Pipe, is for testing the storm system.
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16.
Q: The Profile for the 24” irrigation pipe replacement, on Sheet 28 of the Plans, shows an existing gas line and water main to be “lowered”. It also appears that a phone line will need to be lowered. Are the existing utilities being relocated under “this contract” or being performed under a separate contract or contracts? If the work is to be performed under this contract….are there any details for the relocations and how is the work to be paid for? Are the same utilities going to be relocated to also avoid conflicts with the new 48” cmp casing that is to be installed in the vicinity of SR28 28+50?
January 09, 2019
A: Yes, the facilities shown on the utility sheets, the utilities in conflict on sheet 28, and the utilities at the 48” encasing crossing are work under “this contract”. For the 48” encasing in the vicinity of 28+50, the encasing material is Bid Item 31, “Schedule A Storm Sewer Pipe 48 In. Diam.” not CMP as shown on the plans. We do not have full locate information at that crossing but do not anticipate utility conflicts. The 48” encasing should be relocated to avoid utility relocation, if necessary.
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17.
Q: 1) Have similar questions in regards to the Zayo, GC PUD & NOANET Facilities shown on Sheet 26, i.e. is that work to be performed under “this Contract”? 2) Also, Item #35 Grated Inlet, Type 1 is a cast-in-place structure. Would Grate Inlet, Type 2 (Pre-cast) be an acceptable alternate.
January 09, 2019
A: 1 Per Section 1-07.17 of the Special Provisions, “Public and private utilities, or their Contractors, will furnish all work necessary to adjust, relocate, replace or construction their facilities…” The contractor is responsible for trenching and backing for utilities to be relocated, adjusted or replaced. Any utility relocation is incidental to construction trenching and backing. Pavement Notes on CR-2.50 state, “13. Contractor shall be responsible for all relocations, including but not limited to, all utilities, storm drainage, signs, traffic signals & poles, etc. as required. All work shall be accordance with governing authorities specifications and shall be approved by such. All cost shall be included in base bid.” 2 Yes, Grate Inlet Type 2 is an acceptable alternate to Grate Inlet Type 1.
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18.
Q: In regards to Items #15 Remove ACP & #17 Sawcutting….do you have info in regards to the depths of the existing asphalt?
January 09, 2019
A: We do not have much more information than the limited scope of exploration given in the geotechnical report. The geotechnical report did find “Limited hand-tool exploration along the eastern 13th Ave shoulder indicated a roadway shoulder pavement section of about 3 inches of asphalt concrete (AC) overlying about 2 inches of aggregate base. However, the pavement section of the 13th Avenue travel lanes could differ from these measurements.” (pg. 3). No further exploration was done in existing pavement sections on either 13th Ave SW or SR 28. WSDOT as-builts are not very detailed in this area.
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19.
Q: The bid schedule states the Topsoil is to be Type A. WSDOT specification 8-02.3(4)A states that Type A is to specified in the Special Provisions. There is no specification in the special provisions that clarify the topsoil. Are we to assume using Type B native topsoil, or Type C material source provided by the Owner?
January 09, 2019
A: Bid item 49, Topsoil Type A should be Topsoil Type C. On sheet SD-3.50, we specify Type B or C in Detail 1, Permanent Seeding Section. Using Topsoil Type B (onsite native soils) is allowed, but there is not enough to seed the new intersection entirely. Some Topsoil Type C will have to be imported from offsite.
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20.
Q: is there only 116’ of 48” Storm pipe? And if so, is that CMP or Schedule A storm sewer pipe? Lastly, will that 48” pipe be hydrostatically tested as well?
January 10, 2019
A: The 48” pipe is CMP and does not have to be tested. This pipe is a casing for future utilities. Per the Proposal Table, Bid Item 32 Schedule A Storm Sewer Pipe 48 In. Diam. is 117 LF, which captures this 48" CMP pipe.
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21.
Q: Is compaction testing and asphalt material testing to be included in the contractor's bid?
January 10, 2019
A: No, the compaction testing and asphalt testing is covered by the City's construction management team. Note bid item 25 does include Job Mix Compliance For Statistical Analysis for Cement Concrete Pavement. See WSDOT Standard Specification 5-05.3(1), Concrete Mix Design for Paving, for details. Per the WSDOT 2018 Specification book, WSDOT has eliminated nonstatistical evaluation of small quantities (less than 4000 tons) on mainline paving. WSDOT now requires statistical analysis on all main line paving. This is requires the lump sum bid item of Job Mix Compliance for Statistical Analysis.
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22.
Q: What is the current luminaire fixture?
January 10, 2019
A: The Streetworks Navion luminaire fixture has updated since the bid set of plans. The current fixture per WSDOT's pre-approved list is NAV-AF-05-D-UNV-T3-10K-600-K-AP-OA/RA1013, which is in the 310W HPS class on WSDOT's list. Per the special provisions, an approved equal is still allowable but shall be from the WSDOT pre-approved list.
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23.
Q: 1) Can you please tell me the depth of bark or wood chip mulch required over the 1 acre? 2) When pressure testing the storm pipe, what psi is required?
January 11, 2019
A: 1) Per WSDOT Standard Specification 8-01.3(2)D, permanent seeding areas should have an application rate of 3500 pounds per acre of long term mulch. There isn’t a uniform depth specified because mulch is placed both on top of permanent seeding and mixed in with the topsoil layer depending on which type of seeding area is being laid. 2) Follow WSDOT Standard Specification 7-17.3(1) for exfiltration testing of storm sewers. The minimum test pressure is 6 feet of hydrostatic head above the crown at the upper end of the test section.
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24.
Q: In the specifications, sheet 2 of the special provision, the following is stated Conditions of Work, Item 1) Supply the name and phone number of the Professional Engineer who will be certifying the work. I am not sure what this means, the engineer of record Tenw should be the one certify the work. Please clarify this statement.
January 11, 2019
A: TENW and Navix, the engineers of record, will be certifying the work upon project completion.
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25.
Q: 1) The Drywell Detail on Sheet 22 (SD-3.50) of the Plans indicates that the depth of the perforated drywell sections “varies”. How deep are the Drywells? Based on the Drywell Rim/Pipe Elevations shown on Sheet 20 of the Plans…the 24” Sch A Storm Sewer Pipe will be into the Drywell 48”x24” reducing cones. Does 24” diameter pipe fit in the cones? 3) Does the City of Quincy have an Industrial Wastewater Re-use Joint Utility Trench Section in 13th Street, and if so, does the Joint Utility Trench show on the Plans and have you verified that it does not conflict with the Proposed Improvements?
January 11, 2019
A: 1) The 24” diameter pipe will require a larger cone section on the drywells. The drywells are sized at 6’ (2’ cone section and 4’ body) but will require additional riser sections and larger cone sections to accommodate the 24” pipe. These costs are incidental to bid item 43, Drywell 48 In. Diam. 2) Yes, there is a Joint Utility Trench (JUT) crossing the intersection (along the west side of 13th Ave). The proposed utilities crossing the JUT have been coordinated to the degree as-built information was able to be validated. There is potential the field location, primarily vertically, does not match what is noted in the Record Drawings. The potholing line item should be utilized to validate existing field conditions. Should the bury depth of the ex JUT differ from the Record Drawings provided, potential for vertical conflict with the 3 proposed Storm Drainage pipes crossing the 13th Ave alignment. If a crossing conflict is identified, the proposed storm piping would need to be revised.
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26.
Q: What is the curb/gutter depth?
January 14, 2019
A: For the roundabout curbs, we are following WSDOT F-10.18-01. Where the thickness varies (Legend diamond 2), we are using a depth of 6” below finished grade. We are matching our full depth asphalt pavement of 6” (CR-2.51). Curb 1: 2” modified curb (see Note 2) , 8” depth at back of curb Curb 2: 4” curb, 10” at back of curb Curb 3: 8” at start, 14” at first curb, 20” at second curb
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27.
Q: Bid Item # 21 is for Shoring or Extra Excavation Class “A” and is in the proposal at a quantity of 1 LS. There is no bid item for Shoring or Extra Excavation Class “B”. Is it the intent that all of the Structural Excavations be in accordance with the Class “A” requirements? Please clarify whether or not Class “A” requirements apply to all of the structural excavations, and if not advise as to which excavations do need to be Class “A”, and please also let us know whether or not you expect that any structural shoring is required for the work.
January 14, 2019
A: Class A requirements do not apply to all the structural excavation on this project. Bid item #21 should be “Structure Excavation Class B” and measured per cubic yard. Schedule A should have 1469 C.Y. of Structure Excavation Class B. Schedule C should also have a bid item for excavation. New bid item #2, Section 2-09 “Structure Excavation Class B” is for 398 C.Y. An updated bid proposal sheet will be provided on SolicitBid.
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28.
Q: Specifc to the Q & A from question #27 where on the project is the 1,469 CY of Structure Excavation Class B going to be generated from?
January 14, 2019
A: The 1469 CY of structure excavation is from the storm system and utility sleeve installation. The vertical limits of excavation are given on sheets SD-3.00 to SD-3.50 and UT-4.00 to UT-4.50 . The horizontal limits of excavation are given by WSDOT Standard Specification 2-09.4.
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29.
Q: Can we use the fire hydrant on the SW corner of the project to feed temp irrigation for the irrigation pay item?
January 15, 2019
A: Yes, this hydrant may be used for temporary irrigation supply. Hydrant access and metering shall be coordinated with the city’s public works department. Contractor shall use City hydrant meter.
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