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Inquiry #1: Please provide PDF cross-sections (25'/50' Intervals) of this project so contractors can accurately quantify Grading Cut/Fill Volumes.
Inquiry submitted 01/08/2018

Response #1:Submitted for consideration.
Response posted 01/09/2018


Response #2:You can download the cross sections below:

www.dot.ca.gov/dist4/construction/contracts/04-2640N4/XSections_2640N4.zip
Response posted 01/10/2018




Inquiry #2: According to Plan Sheet X-1, new structural sections 1,2,5, and 6 are to be constructed with Aggregate Subbase (Class 2); however, Bid Item #87 for Aggregate Subbase states it's class 4. Is the ASB on this project Class 4 or 2?
Inquiry submitted 01/15/2018

Response #1:Submitted for consideration.
Response posted 01/16/2018


Response #2:See Addendum 1.
Response posted 02/23/2018




Inquiry #3: All Traffic Handling plans (reference sheet TH-10, plan sheet 214 of 604) shows temporary pavement to be .5'HMA/1.00' AB CL4; however, according to the summary of quantities, sheet Q-3, plan sheet 357 of 604) all Temporary pavement is to have Aggregate Subbase Class 2 not Aggregate Base Class 4. Please clarify and revise plans.
Inquiry submitted 01/15/2018

Response #1:Submitted for consideration.
Response posted 01/16/2018


Response #2:Temporary pavement sections shown on the traffic handling plans should be 0.5' HMA (Type A) and 1.0' CL 2 AS. The pavement structure quantity table shown on Sheet Q-3 is correct with Class 2 Aggregate Subbase required for the temporary pavement sections.
Response posted 01/22/2018




Inquiry #4: According to the Summary of Quantities Sheet Q-1 (plan page 355 of 604), remove base and surfacing is shown at three locations (6535+26 to 6558+81/ 6563+91 to 6642+00/ 6563+91 to 6642+00); however, there are no plans provided that show any work that is to be done in these locations. Please clarify if this is an error and if not please provide plans to show work to be performed in these areas.
Inquiry submitted 01/22/2018

Response #1:Submitted for consideration.
Response posted 01/23/2018


Response #2:The quantities for "Remove Base and Surfacing" shown on sheet Q-1 for the three locations ("A1" " 6535+26.23 Rt to "A1" 6558+81.06 Rt / "A1" 6563+91.25 Lt to "A1" 6642+00.00 Rt / "A1" 6563+91.25 Rt to "A1" 6642+00.00 Rt) are not part of this project. The "Remove Base and Surfacing" quantity for the location "R4" 427+71.29 to "R4" 432+64.92" Rt is correct.
Response posted 02/23/2018




Inquiry #5: According to the Summary of Quantities Sheet Q-1 (plan page 355), remove concrete pavement table shows only three location with a 1' existing structural section of Concrete removal; however, if you look at Typical Cross-sections sheets X-1 thru X-7 (plan pages 2-8) you'll notice that the majority of the freeway has existing PCC section, but is not reflected in the areas shown on summary of quantities. Please clarify.
Inquiry submitted 01/22/2018

Response #1:Submitted for consideration.
Response posted 01/23/2018


Response #2:See Addendums 1 and 3.
Response posted 02/23/2018




Inquiry #6: According to Traffic Handling sheet TH-1 (plan page 205) there is an area hatched to receive HMA-O Overlay; however, Section A-A on sheet TH-1 shows this same area is to be overlayed with HMA (Type A) not HMA-O. Please clarify what type of HMA is going to be used and if it is going to be permanent or temporary.
Inquiry submitted 01/22/2018

Response #1:Submitted for consideration.
Response posted 01/23/2018


Response #2:See Addendum 1.
Response posted 02/23/2018




Inquiry #7: Sheet 358 of 604 or Q-4 states 656 sf of spot blast clean and paint undercoat. The table shows sheet no. PD-4 but PD-4 doesn't show where this work is required.

Please direct me to the place in the specials or drawings that shows where spot blast clean and paint undercoat is required.

Inquiry submitted 01/24/2018

Response #1:Submitted for consideration.
Response posted 01/24/2018


Response #2:See Addendum 1.
Response posted 02/23/2018




Inquiry #8: Our takeoff for RW #95 shows the structural concrete quantity should be at least 150 CY more than the 800 CY shown in the quantity table for this wall. Can Caltrans review their calculations for structural concrete on this wall and revise the table to show the correct quantity?
Inquiry submitted 01/25/2018

Response #1:Submitted for consideration.
Response posted 01/25/2018


Response #2:See Addendum 1.
Response posted 02/12/2018




Inquiry #9: Our take-off for RW# 123 shows the quantity of structural concrete, retaining wall, is significantly more than the 970 CY shown in the table. It seems that not only is the quantity of concrete for the Type 1B portion of the wall understated, but the 4" concrete facing on the soldier pile portion of the wall was not accounted for. Since this is a final pay item, can Caltrans review their calculations for structural concrete and revise the quantity, if necessary?
Inquiry submitted 01/26/2018

Response #1:Submitted for consideration.
Response posted 01/26/2018


Response #2:See Addendum 1.
Response posted 02/12/2018




Inquiry #10: Our take-off for the area of precast concrete lagging at RW# 123 is significantly greater (about 1.5 times) than the quantity shown in the table for the wall. This is based on General Plans #3 and #4 for RW# 123. Since this is a final pay item, can Caltrans review their calculations for the lagging and revise the quantity, if required?
Inquiry submitted 01/26/2018

Response #1:Submitted for consideration.
Response posted 01/26/2018


Response #2:See Addendum 1.
Response posted 02/12/2018




Inquiry #11: Is providing a "Caltrans approved Biologist" referenced in Section 14-6.03 the responsibility of Caltrans or the contractor?
Inquiry submitted 01/29/2018

Response #1:Submitted for consideration.
Response posted 01/29/2018


Response #2:The "Caltrans approved Biologist" referenced in Section 14-6.03 of the Special Provisions will be provided by Caltrans.
Response posted 01/31/2018




Inquiry #12: Please provide more detailed X-sections for the retaining walls. The given x-sections appear to be incomplete and do not show enough information for the retaining walls.
Inquiry submitted 01/30/2018

Response #1:Submitted for consideration.
Response posted 01/30/2018


Response #2:See link in Bidder Inquiry #1 and the cross sections included in the Information Handout (see link below).

Link - www.dot.ca.gov/hq/esc/oe/project_ads_addenda/04/04-2640N4/supplemental_info/
Response posted 02/05/2018




Inquiry #13: Please provide Bottom of Wall Extension elevations for Retaining Wall 116. It is impossible to determine quantities with the information provided. Thank you.
Inquiry submitted 01/30/2018

Response #1:Submitted for consideration.
Response posted 01/31/2018


Response #2:The link below provides the approximate elevations at the bottom of the Retaining Wall No. 116 extension.

Link - http://www.dot.ca.gov/dist4/construction/contracts/04-2640N4/Wall_Bottom_Elevations.pdf

Response posted 02/02/2018


Response #3:Your inquiry is being reviewed. Unless an addendum is issued addressing your concern, please bid per current contract documents.
Response posted 02/07/2018




Inquiry #14: Plans sheet 116/604 references standard plan D83A for the new box culvert which is a precast culvert detail sheet. Plan sheet 569/604 refers to standard plan D80 which is a cast-in-place box culvert detail sheet. Also, plan sheet 571/604 refers to standard plan D80 on section B-B and note 2. Please clarify if the box culvert is a CIP or PC box.
Inquiry submitted 01/30/2018

Response #1:Submitted for consideration.
Response posted 01/31/2018


Response #2:The portion of the culvert passing through Retaining Wall No. 97 shall be cast-in-place while the remainder of the culvert crossing Route 101 shall be precast. Refer to Std plan sheet D83A for the interface between the cast-in-place and precast sections.
Response posted 02/06/2018


Response #3:Your inquiry is being reviewed. Unless an addendum is issued addressing your concern, please bid per current contract documents.
Response posted 02/07/2018




Inquiry #15: Plan sheet 116-604 shows a joint between the special RCB and Regular RCB. Please provide splicing connection details as sheet 571-604 doesn’t show a splicing detail knowing that the RCB will be constructed in the phases and construction joints.
Inquiry submitted 01/30/2018

Response #1:Submitted for consideration.
Response posted 01/31/2018


Response #2:The portion of the culvert passing through Retaining Wall No. 97 shall be cast-in-place while the remainder of the culvert crossing Route 101 shall be precast. Refer to Std plan sheet D83A for the interface between the cast-in-place and precast sections.
Response posted 02/06/2018


Response #3:Your inquiry is being reviewed. Unless an addendum is issued addressing your concern, please bid per current contract documents.
Response posted 02/07/2018




Inquiry #16: Can Petaluma Blvd South be temporary closed during construction between STA “A” 97+00.00 to STA “A” 120+00.00?
Inquiry submitted 01/30/2018

Response #1:Submitted for consideration.
Response posted 01/31/2018


Response #2:Petaluma Blvd South cannot be temporarily closed between STA ?A? 97+00.00 to STA ?A? 120+00.00. Access to local homes and businesses cannot be interrupted.
Response posted 02/06/2018




Inquiry #17: The proper standard plans are referenced for retaining walls 97, 113 and 123. Please specify the proper standard plans for retaining walls 95, 109 and 113.
Inquiry submitted 01/31/2018

Response #1:Submitted for consideration.
Response posted 01/31/2018


Response #2:The applicable details from the Caltrans standard plans are shown as callouts on the sheets for Retaining Walls No. 95, 109 and 113. A listing is not required.
Response posted 02/06/2018




Inquiry #18: According to Plan Sheet X-1 (plan page 2 of 604), some Existing Structural Sections have abbreviations such as PMS, IBM, SM, and UB; however, there is no legend provided to show what these abbreviations stand for. Please provide names for these abbreviated materials.
Inquiry submitted 02/01/2018

Response #1:Submitted for consideration.
Response posted 02/01/2018


Response #2:On Plan Sheet X-1, the abbreviations for the Existing Structural Sections are as follows:



CTS CEMENT TREATED SUBBASE
IBM IMPORTED BASE MATERIAL
PMS PERMEABLE MATERIAL SUBBASE
RAC RUBBERIZED ASPHALT CONCRETE
UB UNTREATED BASE



NOTE:
SM SELECTED MATERIAL is a standard abbreviation per the Caltrans Standard Plans.

Response posted 02/06/2018




Inquiry #19: Please provide the Case designation for RW 95, 109, and 113. RW 95 is called out as Type 5, but is it Case 1, Case 2, or Case 3? The same question goes for RW 109 and 113. Thank you.
Inquiry submitted 02/06/2018

Response #1:Submitted for consideration.
Response posted 02/07/2018


Response #2:Retaining Wall No. 95: Type 5 (Case I)

Retaining Wall No. 109: Type 1 (Case I)

Retaining Wall No. 113: Type 5 (Case I) and Type 1 (Case I); refer to Retaining Wall No. 113 sheets for Wall Type Limits.
Response posted 02/14/2018




Inquiry #20: Where do i find the responses for bid inquiry #2 & #3?
Inquiry submitted 02/07/2018

Response #1:Responses are posted when available. You can see inquiries and responses at the webpage linked below.


http://www.dot.ca.gov/des/oe/inquiry/view.php?p=04-2640N4
Response posted 02/08/2018




Inquiry #21: Temporary shoring is indicated on the traffic handling plans, but there is no bid item for payment. How is the temporary shoring paid for?
Inquiry submitted 02/08/2018

Response #1:Submitted for consideration.
Response posted 02/08/2018


Response #2:There is no separate payment for Temporary Shoring. It is covered under section 7-1.02K(6)(b) for Excavation Safety and Section 5-1.23B(2) for shop drawing format and review times.
Response posted 02/12/2018




Inquiry #22: In order to eliminate issues with the number of days bid (ie; protest, schedule disputs, etc.) on this project would the state consider adding a minimum day bid?
Inquiry submitted 02/08/2018

Response #1:Bid per plans and specs.
Response posted 02/09/2018




Inquiry #23: The project plans have a detail for the retaining walls # 95,#109,#113 with pervious backfill materials and not on the quantity summary. How is this material to be paid for if not included in item #51 (Pervious Backfill Material - Retaining Wall)?
Inquiry submitted 02/08/2018

Response #1:Submitted for consideration.
Response posted 02/09/2018


Response #2:The quantity for "Pervious Backfill (Retaining Wall)" is included with the quantity for "Structure Backfill (Retaining Wall)" for Retaining Walls No. 95, 109, and 113.
Response posted 02/23/2018




Inquiry #24: will the trees on this project be removed under this contract or a separate tree removal only contract?
Inquiry submitted 02/09/2018

Response #1:Submitted for consideration.
Response posted 02/09/2018


Response #2:The trees shown for removal on the plans will be removed under this contract. Payment for tree removal is included under item 170103 Clearing and Grubbing (LS).
Response posted 02/13/2018




Inquiry #25: Per Addendum #1, Remove Base & Surfacing (Bid Item #99) has been reduced to only one area from "R4" 427+71 to 432+64 as shown on the Summary of Quantities Sheet Q-1 (Plan page 355 of 604); however, on Traffic Handling Sheet TH 5/6/59/60 (Stage 1B/7) areas where temporary pavement (.50'HMA/1.00'AS) is to be removed from previous stages has been hatched as Remove Base & Surfacing. Please clarify if these areas hatched as Remove Base and Surfacing on Traffic Handling plans are correct or an error. If not an error, please revise Remove Base and Surfacing bid item quantities to reflect additional areas.
Inquiry submitted 02/09/2018

Response #1:Submitted for consideration.
Response posted 02/12/2018


Response #2:The areas hatched as "Remove Base and Surfacing" on the Traffic Handling plans are correct.

The quantity for "Remove Base and Surfacing" shown on Sheet Q-1 on Addendum No. 1 dated February 9, 2018 to be revised from 308 CY to 5,917 CY.

The quantity for "Roadway Excavation" in the "Earthwork" table shown on Sheet Q-4 to be revised from 89,217 CY to 83,869 CY.
Response posted 02/14/2018




Inquiry #26: On bid item # 125 60" Alternative Pipe Culvert. Can you tell me what is accepted? On DQ-1 the Allowable Pipe Material stops at 42".
Inquiry submitted 02/12/2018

Response #1:Submitted for consideration.
Response posted 02/13/2018


Response #2:The Allowable Pipe Material and Protection information for the 60? APC is as follows:


























DESIGNATION RCP HDPE PIPE CAP CSP (Bit Cold)
TYPE C TYPE S RIBBED THICKNESS THICKNESS (SOIL SIDE)
60 APC YES YES YES NO 0.135" 0.109"

Response posted 02/14/2018




Inquiry #27: In Pavement Structure Quantities table on Sheet Q-3, the temporary AC quantity is shown as 9011 Tons, which can be converted to approximately 4500 CY. The quantity for temporary Class 2 ASB is 3665 CY. Your answer to Inquiry #3 says that the temporary pavement section is .5' AC/1' ASB2. If that is the case, then the quantity for Class 2 ASB should be approximately 9000 CY, not 3665 CY. Are there areas where only AC is being placed instead of the full temporary section? Can Caltrans provide more details or cross sections on the traffic handling plans that show where the full section of temporary pavement is being placed and where we are only placing AC?
Inquiry submitted 02/13/2018

Response #1:Submitted for consideration.
Response posted 02/14/2018


Response #2:See Addendum 3.
Response posted 02/23/2018




Inquiry #28: What is the Plant Establishment Period?
Inquiry submitted 02/13/2018

Response #1:Per Addendum No. 1 dated February 9, 2018, in the Notice to Bidders section: Complete the Plant Establishment work within 250 working days.
Response posted 02/15/2018




Inquiry #29: Where is the existing irrigation to be tested located?
Inquiry submitted 02/13/2018

Response #1:Submitted for consideration.
Response posted 02/14/2018


Response #2:Submitted for consideration.
Response posted 02/14/2018


Response #3:See Addendum 3.
Response posted 02/23/2018




Inquiry #30: What existing plants will be maintained and where?
Inquiry submitted 02/13/2018

Response #1:Submitted for consideration.
Response posted 02/15/2018


Response #2:Refer to Planting Plan Sheets PP-1 through PP-4 in the advertised set for locations of existing plants to be maintained. See Legend on Sheet PL-1 for symbol used for "Existing Plants to Remain" areas.
Response posted 02/16/2018




Inquiry #31: On Retaining Wall 123 a Chain Link Fence is shown to be welded to a C8 x 11.5, for the soldier pile portion of the wall. Is the C8x11.5 included in the Chain Link Fence item?
Inquiry submitted 02/14/2018

Response #1:Submitted for consideration.
Response posted 02/14/2018


Response #2:The welded steel channel used along the soldier pile wall portion of Retaining Wall Number 123 is included with the Chain Link Fence (Type CL-4, vinyl-clad) bid item.
Response posted 02/21/2018




Inquiry #32: After stage 1A is a temporary roadway section used over the RCB for traffic? How is it paid for?
Inquiry submitted 02/16/2018

Response #1:Submitted for consideration.
Response posted 02/20/2018


Response #2:The temporary detour to be built in Stage 1A crosses over the existing RCB in the highway median. It is paid for as temporary pavement. Refer to Sheet Q-3 and the "Temporary Pavement from Stage Construction" table.
Response posted 03/01/2018




Inquiry #33: Does Caltrans have pothole data (referenced to the 'A' Line) for the 42" waterline in Petaluma Blvd. South everywhere, but particularly in the vicinity of Retaining Wall #109? Since the 'A' Line cross sections for this wall are not drawn correctly and the footing is actually deeper and wider than shown, we may have to temporarily shore this area to protect the 42" water line and give us the room to provide the two 12' lanes shown on the traffic handling plans for Petaluma Blvd. South.
Inquiry submitted 02/20/2018

Response #1:Submitted for consideration.

Response posted 02/23/2018


Response #2:Pothole data for the 42" waterline in Petaluma Blvd South is not available where it runs parallel to Retaining Wall #109. Please refer to note 2 on Sheet U-1 that states: "Locations of utility facilities shown on these plans are approximate and shall be verified by the contractor prior to construction."

Please note that there is no separate payment for temporary shoring, if needed. It is covered under section 7-1.02K(6)(b) for Excavation Safety, Section 5-1.23B(2) for shop drawing format and review times, and Section 5-1.36 of Revised Standard Specifications for property and facility preservation.

Response posted 02/28/2018




Inquiry #34: According to the answers for Bidder Inquiry question #25, Remove Base & Surface (Bid Item #99) has changed from 308 cy to 5,917 and Roadway Excavation (Bid Item #41) has changed from 89,217 cy to 83,869 cy; however, there has not been an addendum issued to revise the Bid form based on the new quantities. Please issue an Addendum to update Bid Form.
Inquiry submitted 02/20/2018

Response #1:Submitted for consideration.
Response posted 02/21/2018


Response #2:See Addendum 3.
Response posted 02/23/2018




Inquiry #35: Section F-F at Sta 107+00 on plan sheet TH-14, shows a raised roadway being supported by temporary shoring to allow for construction of Stage 2. This section does not represent what in going on in this area. The roadway with temporary shoring is actually much lower than Stage 2 construction. The Section F-F should be in Stage 1C and show us temporarily supporting existing southbound. There will also be additional k-rail. needed. The area of supporting existing southbound traffic is from Sta. 107+00 to about Sta. 115+00. Can Caltrans look into this discrepancy and determine if the stage construction plans adequately take this into account?
Inquiry submitted 02/21/2018

Response #1:Submitted for consideration.
Response posted 02/23/2018


Response #2:No median shoring necessary during Stage 2 construction in the vicinity of Section F-F. Typical section F-F shows retaining wall construction along the outside edge of pavement and not temporary shoring. Refer to Section D-D on Sheet TH-8 from Stage 1C for median shoring along both northbound and southbound Route 101. No additional temporary k-rail needed. Please bid per current contract documents.
Response posted 02/28/2018




Inquiry #36: District 4 has been utilizing Two-Component Paint Traffic Stripe for the contrast striping for some time. This includes Contracts 04-366034, 04-4G0564, 04-4H5804, 04-4H8304, 04-1J1904. We are requesting that an addendum be issued to change Item 205, 6" Thermoplastic Traffic Stripe (Enhanced Wet Night Visibility)(Broken Black 18-12) to the Two-Component Striping material that is currently being utilized.
Inquiry submitted 02/22/2018

Response #1:Submitted for consideration.
Response posted 02/23/2018


Response #2:The 6" Thermoplastic Traffic Stripe (Enhanced Wet Night Visibility)(Broken Black 18-12) Striping has been approved by Caltrans for use on this project. Please bid per current contract documents.
Response posted 02/26/2018




Inquiry #37: The treated wood waste item is way low. I believe the removal of Double Thrie Beam Barrier was not added into the Treated Wood Waste item. Does Caltrans want us to bid per plan?
Inquiry submitted 02/23/2018

Response #1:Submitted for consideration.
Response posted 02/23/2018


Response #2:Bid per plans and specs.
Response posted 02/28/2018




Inquiry #38: Please confirm temporary electrical materials, that would be removed after the stage construction, can be used and re-used on the project.
Inquiry submitted 02/27/2018

Response #1:Submitted for consideration.
Response posted 02/27/2018


Response #2:The temporary electrical materials could be reused only for stage constructions if they are in good condition and fulfill all the requirements of the plans and technical specifications. No temporary electrical materials shall be reused for any permanent condition.
Response posted 02/28/2018




Inquiry #39: A QC plan is required for the ASB, AB, and All HMA products is there any other Contractor QC htat we have missed on this project??
Inquiry submitted 02/27/2018

Response #1:Submitted for consideration.
Response posted 02/28/2018


Response #2:Please refer to the Special Provisions, the 2015 Standard Specifications, and the Revised Standard Specifications for all required Quality Control Plan submittal items.
Response posted 03/01/2018




Inquiry #40: Note 3 on sheet PQ-1 refers to Special Provisions for application of plant establishment mulch. The Special Provisions does not show the application rate or depth of wood chip mulch and tackified medium compost during plant establishment period. Please advise.
Inquiry submitted 03/02/2018

Response #1:Submitted for consideration.
Response posted 03/05/2018


Response #2:The application rate, or depth of wood chip mulch and tackified medium compost during plant establishment period is 75% of the initial application rate (or depth).
Response posted 03/07/2018




Inquiry #41: Biofiltration swale detail on sheet DD-4 shows class 3 permeable material & filter fabric. Which Bid Item number shall cover class 3 permeable material & filter fabric. Also, please advise what filter fabric shall be used for bidding purpose as well.
Inquiry submitted 03/02/2018

Response #1:Submitted for consideration.
Response posted 03/05/2018


Response #2:The payment for Class 3 Permeable Material and filter fabric are included in the payment for Perforated Plastic Pipe. Refer to Section 68-2 Underdrains of the Standard Specifications 2015. As per Section 68-2.03 Construction, your work in this section includes: "Excavate trenches for underdrains, place filter fabric, install pipe, and backfill trenches with permeable material as shown." Filter Fabric for use with underdrains must comply with Section 96-1.02B.

Response posted 03/07/2018




Inquiry #42: IRRIGATION NOTES #1 on sheet IP-1 indicates “Irrigation pipes on slopes steeper than 10H:1V shall be surface mounted”. Does 'Irrigation Pipes' include mainlines?
Inquiry submitted 03/02/2018

Response #1:Submitted for consideration.
Response posted 03/05/2018


Response #2:There are no main lines on steep slopes in the project area. Only lateral lines, downstream of control valves, are to be installed within steep slopes in the project area.
Response posted 03/07/2018




Inquiry #43: Page 40, Section 20-2.01C(1) shows at least 4 inches of mulch shall cover supply line lateral pipes on grade. Those lateral pipes installed in IP-1 thru IP-4 are under tackified medium compost areas, which are only 2 inch depth per Notes 2 from PL-1. Please clarify.
Inquiry submitted 03/02/2018

Response #1:Submitted for consideration.
Response posted 03/05/2018


Response #2:Lateral pipes installed per the details on Sheets IP-1 thru IP-4 in flat and low gradient areas shall be under a 4 inch layer of wood chips. Lateral pipes installed per the details on Sheets IP-1 thru IP-4 on steep slopes shall be under a 2 inch layer of tackified medium compost (per notes 2 and 3 on Sheet PL-1 and as per locations of wood chips and tackified medium compost shown on Sheets PP-2, PP-3 and PP-4).
Response posted 03/07/2018




Inquiry #44: What Bid Item number shall cover water cost when using cam coupler valves?
Any water source nearby or closeby shall be used to reduce the cost of maintenance?

Inquiry submitted 03/02/2018

Response #1:Submitted for consideration.
Response posted 03/05/2018


Response #2:The Standard Specifications require the contractor to provide water. To cover water cost when using cam coupler valves, use Bid Items 204009 "Plant (Group I)", 204036 "Plant (Group B)", and 204096 "Maintain Existing Planted Areas" during plant installation, and use Bid Item 204099 "Plant Establishment Work" for the establishment period.
Response posted 03/07/2018




Inquiry #45: Please clarify the following for Hydromulch:

1. What are the required components for Tackified Medium Compost?
2. What depth of compost is required?

Inquiry submitted 03/06/2018

Response #1:Submitted for consideration.
Response posted 03/07/2018


Response #2:The required components for tackified medium compost (TMC) are as specified in Section 21 of the Standard Specifications. Paragraph 21-2.02K Compost, identifies the particle size for medium compost (95% pass of 5/8? sieve and 70 pass 3/8? sieve) and other properties. Compost shall be installed in an amount to achieve a 2? deep layer over the areas indicated on drawings (resulting in an application rate of 270 c.y. per acre). Plant based tackifier shall be as specified in Section 21 paragraph 21-2.02E Tackifier, with an application rate of 150 lbs/acre.
Response posted 03/07/2018




Inquiry #46: Is the C8 X 11.5 that the fence posts get welded to continuous or just a piece that get's connected at 5' OC. also please confirm the chain link posts remain 10' OC max on center at this section?
Inquiry submitted 03/06/2018

Response #1:Submitted for consideration.
Response posted 03/07/2018


Response #2:The C8 x 11.5 is continuous for the length of the soldier pile wall section. The chain link posts are spaced at 10? OC maximum as shown on the standard plan.
Response posted 03/07/2018




Inquiry #47: Inquiry #7 Regarding Item #118, What specifically is being spot blast, clean, and paint undercoat on the new bridge that is not open yet? In addendum #1 give this location but their is no information in the special provisions at all about what is being done.
Inquiry submitted 03/06/2018

Response #1:Submitted for consideration.
Response posted 03/07/2018


Response #2:Spot blast, clean, and paint undercoat refers to the bridge median edge of traveled way stripes and median diagonal stripes.
Response posted 03/07/2018


The information provided in the responses to bidder inquiries is not a waiver of Section 2-1.07, "JOB SITE AND DOCUMENT EXAMINATION" of the Standard Specifications or any other provision of the contract, nor to excuse the contractor from full compliance with the contract. Bidders are cautioned that subsequent responses or contract addenda may change a previous response.


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