Bidder_Q_A_Hilea_Ninole_1.25.2018.pdf

DTFH6817B00024

HILEA & NINOLE STREAM BRIDGE

QUESTIONS & ANSWERS

12/19/2017 Question 1:

With reference to plan sheet S3.1 (Ninole Bridge Demolition Plan), and S20.1 (Hilea Bridge Demolition Plan), notes indicate that the existing structure may contain the following hazardous materials:

a. Creosote

b. Asbestos

c. Lead Paint

As such we respectfully request the environmental assessment (EA) study for this project to accurately ascertain our demolition waste handling and disposal costs.

If no EA study is currently available for this bid we respectfully suggest that one be prepared so that all bidders are using the same information to prepare their estimates.

If there are time restrictions that prohibit an EA study for this project we would suggest that the cost for handling and disposal of potentially hazardous materials be handled as a force account or an allowance item so all bidders are using the same information to prepare their estimates.

RESPONSE:

For the purposes of bidding on this contract, it is assumed hazardous waste material will not be generated. Please refer to FAR 52.243-4 changes.

Question 2:

With reference to the subject bid grading plans sheets C1 & C2, and T12 thru T15, and the Earthwork Summary sheet B2, please be advised that the grading plan existing contour drawings as copied to file for bidders are not readable, and therefore the section 204 earthwork quantities cannot currently be verified.

As such we respectfully request that the bid plan files be updated to include legible existing contour information.

RESPONSE: Please see amended sheets C1, C2, T12, T13, T14, and T15.

Question 3:

With reference to plan sheet T16 & T17 “Removal and Relocation of Utilities”, and SCR subsection 650.03, request affected utility company/owner agency memorandum of agreements (MOA) for the subject project.

As the contractor will be tasked with the utility company coordination for temporary relocations we respectfully request the subject MOA’s to provide greater understanding (e.g. company contact info, prior notice requirements, approximate work durations) for the task at hand.

Please see subsection 107.02 of the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-14, and subsection 107.02, table 107-1 of the special contract requirements.

Q&A 1/10/2018

Question 4:

As shown on sheet S23.3, the vertical #9/#10 headed bars coming through the footing into the wall do not shown a rebar spacing. Please clarify rebar spacing for #9 headed and #10 headed vertical bars.

RESPONSE: Please refer to sheet S23.4 for further clarification.

Question 5:

Solicitation, Offer, and Award Form 1442 states address offer to FHWA CFLH Division 12300 West Dakota Avenue, Suite 360, Lakewood, Colorado 80228. CFLH on other Hawaii projects have accepted bids at FHWA Hawaii Division Office 300 Ala Moana Blvd, Suite 3-306, Honolulu, HI 96850-3306. Please amend that bids can be submitted to FHWA Hawaii Division Office since this project is in Hawaii.

RESPONSE: Please submit bids in accordance with solicitation, offer, and award form 1442,to the Lakewood, CO office. Bids do not have to be hand-carried but can be mailed. Amended / modified bids will be accepted up to the time of the bid opening provided an original packet was received with the appropriate documents. Mailing time was considered in the bid date, and the bid opening date was set with that in mind and extra time was provided. A conference call line has been set up for those who would like to hear the bid opening and the bid opening summary will be posted on FBO the day of the bid opening. Bid opening was amended to February 8, 2018 per Amendment A005 posted on 1/9/2018.

Question 6:

Solicitation, Offer, and Award Form 1442 states bid time is 2 PM Denver local time on 1/18/18. CFLH on other Hawaii projects have amended bid time to 2 PM Hawaii Time. Please amend bid time to 2 PM Hawaii Time since this project is in Hawaii.

RESPONSE: Please see amendment number A005 posted 1/9/2018. The revised bid date is 2/8/2018 at 3:00 pm MT.

Question 7:

SCR Section 152.04 states the Government will furnish the following:

(2) Digital Terrain Model (DTM) of the existing ground, which will include the mapped Ordinary High Water Mark feature that defines the limits of the stream channel.

Please provide DTM files and topography mapping.

Response forthcoming.

Question 8:

SCR 203.04(b) does not address hazardous material such as asbestos or lead paint abatement. The railings on both bridges appear to be painted. Please clarify if these materials are present and if so, how the cost for abatement and disposal will be handled per the contract. Otherwise please provide specification and information needed to quantify & price the abatement and disposal work.

For the purposes of bidding on this contract, it is assumed hazardous waste material will not be generated. Please refer to FAR 52.243-4 changes.

Question 9:

Please consider extending bid date by 3 weeks. The additional time will be used to design both bypass roads, incorporate the environmental permitting requirements for the in-water work, and temporary engineering for the Bridge substructure and superstructure i.e. stream diversion, trestle, falsework, etc.

Also given the time period this job is being advertised over the Christmas and New Year's holiday season our personnel have already scheduled taking time off during this time.

RESPONSE: Please see amendment number A005 posted on 1/9/2018, bid date was revised to 2/8/2018.

Question 10:

Precast notes on S10.2 and S27.3 specify; "The concrete shall pass a charge of less than 1000 Coulombs at 90-days from casting as determined by AASHTO T277. ". This low measurement is not achievable with local materials even with the use of fly ash or silica fume. Can this requirement be omitted or specify an alternate method for improving concrete permeability such as adding waterproofing admixtures like Kryton KIM.

RESPONSE: The AASHTO T 277 requirements will not be omitted. The requirement is performance based, and thus the use of the Kryton KIM admixture is not precluded by the contract documents as long as it allows for all the contract requirements to be met

Question 11:

SCR Section 650.08 Restoration & Reclamation states" Restoration of diversions is defined as returning the diversion subgrade to the pre-construction elevation and condition. Submit a final grading plan that returns the disturbed area back to its original condition to CO for approval prior to beginning removal work." It is understood that if the original condition is dirt then a unclassified fill would be used as a restoration material. Please clarify what material shall be used for restoration of solid rock (i.e. Hilea Mauka Berm).

RESPONSE: Please see section 204 of the Special Contract Requirements and the Standard Specifications for Construction of Roads and bridges on Federal Highway Projects FP-14.

Question 12:

SCR Section 650.08 Restoration & Reclamation states" Restoration of diversions is defined as returning the diversion subgrade to the pre-construction elevation and condition. Submit a final grading plan that returns the disturbed area back to its original condition to CO for approval prior to beginning removal work." Please confirm that restoration to preconstruction condition does not include replanting of trees disposed from bypass clearing and grubbing operation.

RESPONSE: Confirmed.

Question 13:

Please clarify if the rock wall located on the Mauka upstream side of the Ninole bridge is of historical significance. If so, please provide a specification to address this concern.

RESPONSE: Please refer to section 107.02 of the Special Contract Requirements and the Standard Specifications for Construction of Roads and bridges on Federal Highway Projects FP-14.

Question 14:

After talking to our precast vendor they had mentioned that their forms for the Washington WF36G girder do not match up to what is being called out in the plans. Please confirm that the proposed girder section is an acceptable alternate. See attached proposed section

RESPONSE: Please provide a bid per the contract solicitation. Alternate girders will be evaluated after contract award.

Question 15:

SCR Section 154.03 Sampling states provide for transporting the government verification cylinders to the HDOT materials testing and research branch unless other testing facilities are authorized by the CO. Section 154.04A Field laboratory (Contractor Furnished) furnish a laboratory equipped with all test equipment necessary to satisfy the requirements of the contract. Please clarify that HDOT samples per section 154.03 is to be transported to contractor furnished field laboratory per section 154.04A. If no then please provide address for HDOT materials testing and research branch.

RESPONSE: Contractor furnished laboratory cannot be used for Verification testing. Deliver samples to the HDOT laboratory at:

Address for lab:

Hawaii DOT Materials and Research Testing Branch Attn: Brian Ikehara 2530 Likelike Highway Honolulu, HI 96819

Question 16:

Per Section SCR107.01 please provide copies of the following permits: Conservation District Use Permit (CDUP), Coastal Zone Management Area (CZMA), & Stream Channel Alteration Permit (SCAP). If a permit has not yet been acquired, please provide status of the permit requisition.

RESPONSE: All permits will be provided prior to awardee.

Question 17:

Please provide a copy or status of the Utility Agreements in place for this solicitation

RESPONSE: Utility agreements will be provided following contract award.

Question 18:

The Contractor has no way to control the 3rd party utility companies’ schedule. Please provide minimum notice requirements and durations to complete utility relocations.

RESPONSE: See section 108 of the Special Contract Requirements and the Standard Specifications for Construction of Roads and bridges on Federal Highway Projects FP-14. Utility Agreements will be provided following contract award.

Question 19:

Please confirm that an equitable adjustment for time & time related impacts will be provided for delays caused by 3rd party utility companies.

RESPONSE: See section 108 of the Special Contract Requirements and the Standard Specifications for Construction of Roads and bridges on Federal Highway Projects FP-14.

1/9/2018

Question 20:

After reviewing amendment #4 (sheet B1, #20435-2000), and with reference to SCR section 204.16 (g), “Measurement”, is there a bid item for cost of granular backfill for GRS at the abutments?

RESPONSE: GRS backfill is payed according to bid item 20435-2000 for GRS backfill by cubic yards.

1/17/2018

Question 21:

Section 261.04 of the SCR states “Bench cut slope surfaces in 4-foot high increments with bench widths of 8 feet as shown in the plans to key into the existing embankment.” Sheet No. S30.1 and A8 call out for 1 : 0.5 slope for the Grouted rock face. Please clarify if 8 foot bench is required for a 1 : 0.5 slope rock face.

RESPONSE: 8 foot bench is assumed for stability in loose soil conditions. Depending on competency of excavated rock subgrade, benching may be reduced to avoid removal of compentent material. For bidding purposes on this solicitation, assume minimum 8 foot benching (embedment). Following contract award alternative benching plans will be evaluated.

Question 22:

See sheet S30.1. Please provide GRS subgrade elevation along the reinforced soil slopes.

RESPONSE: For purposes of bidding, assume GRS subgrade elevation must start two feet below existing ground elevation. Please refer to sheet 30.1 for two foot embedded requirement.

Question 23:

Please clarify size classification of rock to be used for reinforced soil slopes (rock faced)

RESPONSE: Please refer to Section 705.08 for rock facing classification.

Question 24:

Please provide thickness of grouted rock face for reinforced soil slopes

RESPONSE: For purposes of bidding please refer to Section 705.08 for rock facing size. Grouting is assumed to fill all voids of placed rock.

Question 25:

Please provide updated bid schedule to reflect amendment #4.

RESPONSE: Response forthcoming

Question 26:

With reference to bid items #62510-1000 & 62515-1000, request application method be opened to the hydraulic method for seeding and mulching (FP14 section 625.07 & 625.08). Subcontractors we are in contact with cannot provide price for dry method of installation, and hydraulic method will provide for more competitive pricing.

RESPONSE: Please provide a bid per the contract solicitation. Following contract award, alternate seeding and mulching methods will be evaluated.

Question 27:

With reference to Q&A dated 1/10/18, Question #15 – response indicates that test cylinders must be sent to HDOT lab on Oahu. Respectfully request that an acceptable on-island, third party lab be selected for verification testing. Air freighting that large amount of concrete cylinders would be an extremely cost prohibitive way of transport for job.

RESPONSE: For the purposes of bidding on this contract, please assume all verification samples will be delivered to the HDOT laboratory at:

Address for lab:

Hawaii DOT Materials and Research Testing Branch Attn: Brian Ikehara 2530 Likelike Highway Honolulu, HI 96819

Question 28:

With reference to the subject Q&A response dated 1/17/18 for question #26, please be advised that the specified dry method for MULCHING CANNOT be met as there are no local subcontractors with the equipment to meet specifications. We therefore will be unable to provide a price per contract solicitation, please advise.

RESPONSE: Hydraulic mulching and seeding is a viable alternate method for seeding and mulching.

Please utilize existing dry mulching or dry seeding bid items for capturing cost of hydraulic seeding and mulching methods. See section 625 of the FP-14.

Question 29:

Please confirm that excavation associated with Bid Item, "25120-2100 Riprap Ditch, Method B, Class1" is incidental to this bid item. If not, please provide bid item # and estimated quantity to price excavation into for bid item 25120-1200.

RESPONSE: For purposes of bidding on this contract please refer to Section 109.05(b) for indirect payment.

Question 30:

Please confirm that excavation, GRS material, geotextile material and drainage material associated with bid item, "26101-0000 Reinforced Soil Slope (Rock Faced)" is incidental to this bid item. If not, please provide bid item # and estimated quantity to price excavation, GRS material, geotextile material and drainage material into for bid item 26101-0000.

RESPONSE: For purposed of bidding on this contract please refer to Section 109.05(b) for indirect payment and Plan Sheet S2.2, Estimate Notes, (12)

Question 31:

Sheet A-11 of Amendment A008 states that the # of calendar days reverts back to the original RFP # of calendar. This is in conflict with Amendment A002 that increased the # of calendar days for the project.

Please correct amendment sheet A-11 of bid schedule and resend in a new amendment.

RESPONSE: Amendment A009 reflects the changes that were made on Amendment A002.

Question 33:

Amendment A007 does not have an amendment form, how do we acknowledge Amendment A007 on the SF1442?

RESPONSE: Amendment A007 was supposed to contain what was posted in Amendment A008; therefore, Amendment A007 has no changes to solicitation and does not need to be acknowledged on the SF1442.

Please do not acknowledge Amendment A007.

Question 34:

With reference to the subject Q&A response dated 1/17/18 for question #26, please be advised that the specified dry method for MULCHING CANNOT be met as there are no local subcontractors with the equipment to meet specifications. We therefore will be unable to provide a price per contract solicitation, please advise.

RESPONSE: Either hydraulic or dry seeding and mulching will be acceptable, please use the existing bid sheet items: #62510-1000 & 62515-1000, to enter pricing for either hydraulic or dry.