Questions and Answers to Project Documents — Business Opportunities
PROJECT:  Runway 17R-35L Complex Pavement Rehabilitation, Package 2
NUMBER:  201952248-00

Current as of:  1/22/2020
 
Question Number  1:   Sheets EL525 (p. 336) and EL526 (p. 367) reference two different bird abatement solutions for guidance signs – Spikes + Daddi long legs and electric shock track, respectively. Please clarify which solution is going to be used and where.
    Answer:   Refer to Addendum # 1 drawing sheets for clarification of bird abatement locations.
Question Number  2:   Per sheet EL525, Detail 2, note 2, do Bird-X Stainless Steel Spikes qualify as an approved equal product, and can they be used for this scope of work? Please see product specification attached.
    Answer:   Yes, Bird-X Stainless Steel Spikes will work as an approved equal in lieu of the Bird-Be-Gone spikes.
Question Number  3:   Per sheet EL526, does Bird-X Avishock qualify as an approved equal product, and can it be used for this scope of work? Please see product specification and information attached.
    Answer:   Yes, Bird-X Avishock system will work as an approved equal. Review with manufacture for the intensity of the shock mechanism to make sure it works with an electronic sign.
Question Number  4:   Can someone please confirm that all of the base cans that will be required for the lighting will only be the base cans in the base can specific bid items (i.e., Bid Item L-125P and L-125Q)?
    Answer:   Confirmed. All new in-pavement L-868B base cans in PCC panel replacements or new asphalt are covered under bid item L-125P (L-867B Base Can in New Concrete or Asphalt Pavement). All new L-867B base cans in new concrete or asphalt are covered under L-125Q (L-868B Base Can in New Concrete or Asphalt Pavement)
Question Number  5:   Can someone please confirm that all of the base cans that will be required for the signs are in the New Guidance Sign Foundation bid item (L-125v) ?  
    Answer:   Confirmed. Per specification section L-125-4.7 “Method of Measurement for New Sign Foundations”, the base can cost and quantity is included with new sign foundations.
Question Number  6:   Are the taxiway lights quartz or led? The bid form description for L861T and L852T is quartz but the light type is (L) led on spec page L-125-2.
    Answer:   Taxiway edge light shall be Quartz. Specification L-125 has been revised in Addendum #2 for clarification.
Question Number  7:   Is the contractor purchasing the CCR’s and ALCMS modification in schedule IV?
    Answer:   Yes. However, please refer to specification L-128 and L-109 for bid items that cover installation of CCRs, ALCMS, and associated Contractor’s cost.
Question Number  8:   Is photometric testing required for semi-flush taxiway edge lights? L-140-1.4 spec section on quartz lights calls for 5% additional fixtures and lamps. Are these spares required if photometric testing is not being done on these lights?
    Answer:   Photometric testing for semiflush taxiway edge lights is not required. Only a visual test is required for these lights to confirm the light fixture is energized. Contractor shall provide 5% spare lamps, but 5% additional fixtures for these lights is not required.
Question Number  9:   ED001 - provide new bolts for existing junction can where cable is being pulled – is the cost of the bolts covered in item L-125n?
    Answer:   Bid item L-125n covers the removal and reinstallation of L-868B cover plates and new bolts are required. All other junction cans (for example, the junction cans used to feed the surface scan sensory system in the infield) require new bolts and the cost of the new bolts and the removal of reinstallation of the cover plate for these junction cans is covered under L-128b.
Question Number  10:   Are new base plates required for L861T going on existing base cans?
    Answer:   Yes. Refer to spec section “125-4.3 New Elevated Light Fixtures”
Question Number  11:   EL001 - provide new bolts for existing 868b, junction can, 852k where cable is being pulled – is the cost of the bolts covered in item L-125n?
    Answer:   Bid item L-125m covers removal and reinstallation of L-852K fixtures and requires new bolts. Bid Item L-125n covers the removal and reinstallation of a L-868B cover plate and covers new bolts for the cover plate. All new fixtures require new bolts as detailed in each individual bid item.
Question Number  12:   EL501 detail 5 calls for dual coated bolts. Are Grade 5 carbon steel coated bolts acceptable?
    Answer:   Refer to revised detail EL501 in Addendum #2. More information on the Grade 5 bolt is required to confirm that it is acceptable. In general, Grade 5 carbon steel coated bolts are acceptable if they are compliant with requirements set forth by FAA Engineering Brief 83 latest edition.
Question Number  13:   Are coated bolts only required for inpavement lights?
    Answer:   No. DEN prefers the coated bolts for both the inpavement and elevated lights.
Question Number  14:   Sheet EL853 is not in the drawings.
    Answer:   Sheet EL853 was purposely omitted.
Question Number  15:   On EL856 are these fixture ID bi or unidirectional, TMC1-08151A, TMC1-08156
    Answer:   Refer to Revised sheets EL856 and EL108 in Addendum # 2 for clarification.
Question Number  16:   On EL857 are these cover plates on new or existing 868b, TMC1-08176B and TMC1-08176C
    Answer:   New base cans as noted by the symbol.
Question Number  17:   On EL861 are the following fixture ID cover plates or fixtures? TM5HC-08046, TM5HC-08047, TM5HC-08048, TM5HC-08049, TM5HC-08050, TM5HC-08051, TM5HC-08059, TM5HC-08060, TM5HC-08062, TM5HC-08064, TM5HC-08065, TM5HC-08071
    Answer:   Refer to Revised Sheet EL861 and EL862 in Refer to Addendum # 2 for clarification.
Question Number  18:   Is fixture ID TM5HC-08072 green obscure, or yellow obscure? It is yellow on EL107, but EL861 shows it as green.
    Answer:   Yellow, Refer to revised sheet EL861 in Addendum # 2 for clarification.
Question Number  19:   Are the L852k fixtures new, or reinstalled? I counted 34 on the fixture schedule that appear to be new, 16 on existing can and 18 on new can.
    Answer:   All L-852k bidirectional fixtures are new. Only the unidirectional L-852k shall be removed and reinstalled as noted in bid item L-125m. The quantity for this bid item is correct.
Question Number  20:   I didn’t see a symbol on EL001 for 852k uni-directional fixtures on new or existing base, but they are in the fixture schedule. Are the taxiway centerline lights on EL111 852k or 852d ? The fixture ID on EL862 are for 852k but the fixture ID on EL111 doesn’t match.
    Answer:   Refer to EL001, third column and the 2nd and 3rd row from the top. Also, refer to revised sheet EL001 in Addendum #2. There is a combination of three types of taxiway centerline lights on the high speed lead of Taxiway M6 which include (a) L-852k unidirectional lights which shall be removed and reinstalled (L-125m), (b) New L-52C unidirectional taxiway centerline lights (Bid Item L-125k), and (c) New L-852D unidirectional taxiway centerline lights (Bid Item L-125l). Also, refer to revised sheet EL862 in Addendum #2.
Question Number  21:   Where fixtures counted don’t match the bid form quantity, are these over ran for spares?
    Answer:   Contractor shall be paid for the amount of light fixtures installed.
Question Number  22:   Bid item L-125d is for L852T but I didn’t count any on the fixture schedule.
    Answer:   Sheet EL851 (Quantity = 1) EL854 (Quantity = 5), EL855 (Quantity = 1), EL877 (Quantity = 18). Sheet EL877 is revised in Addendum #2 so fixture TAE1-02747 is shown as L852T to match symbol on EL122. Refer to revised sheet EL877 in Addendum # 2 for clarification.
Question Number  23:   The fixture schedule doesn’t identify which L852 fixtures are dual circuit.
    Answer:   Under the “Fixture” Column on the fixture schedule, Dual circuits are shown as having two fixture ID designations. For example, on EL860 first table, Column 1, Row 4 details the fixture ID as “as “TAC2-02504/TM2C1-02617) and this designation means two circuits are connected to the fixture.
Question Number  24:   Is there a detail for the reflective markers in bid items L-125y and L-125z?
    Answer:   See Sheet C0059.
Question Number  25:   Do bid items L-125p andL-125q cover all new base cans required for fixtures being removed and reinstalled as well as new fixtures on new cans?
    Answer:   Yes.
Question Number  26:   Is there a detail for the L804 and L862S that are being reinstalled?
    Answer:   Refer to revised Sheet EL509, Addendum #2.
Question Number  27:   Is there a detail for the new L861t?
    Answer:   For light fixture on a new base can refer to EL509, Detail 1. For light fixture on an existing base can, refer to revised Sheet EL502 in Addendum #2.
Question Number  28:   Are mud plates required for all fixtures whether they are going on new or existing base cans?
    Answer:   Mud plates are part of the base can installation process and apply to installation of new base cans.
Question Number  29:   For ALSF station 4 that is being reconstructed, are the heights of the existing LIR remaining the same?
    Answer:   Yes, the Contractor shall survey existing light elevation prior to removal and install the new fixtures at the same elevation. Contractor shall provide stamped drawings by a licensed surveyor of the before and after elevation of the lights.
Question Number  30:   Bid quantities for signs do not line up with field drawings. Bid item L-125r lists a quantity of 13. Drawings seem to show 12. Bid item L-125t lists a quantity of 61. Drawings seem to show 60. Bid item L-125u lists a quantity of 27. Drawings seem to show 25. Bid item L-125v lists a quantity of 42. Drawings seem to show 41.
    Answer:   Refer to updated bid schedule in Addendum #2.
Question Number  31:   There are a couple signs shown in the field drawings that have no notes regarding what is required. These signs are TAS1-19512 and TAS1-19527. Are these signs required as part of the project?
    Answer:   Refer to Addendum # 1 which provided clarification on the notes required for each sign.
Question Number  32:   There are some signs where the sign number listed by the sign is not consistent with the sign number listed in the note next to the sign. Please see Page EL915 for examples. Please provide clarification on which sign number to use.
    Answer:   Refer to revised sheet EL915 in Addendum # 2 for clarification.
Question Number  33:   There are several signs that list a mod count different than what the legend requires. We will quote what is required for the legend, but most of the signs in question will need to go from 4 mods to 5 mods, which means that they may require base extensions and additional cans. The sign numbers for these signs are as follows: TAS1-19517, TAS1-19513, TMS1-19505, TMS2-19518, TMS2-19522, TMS2-19525, TMS2-19530, TMS2-19531, TMS2-19537, TMS2-19535. Please provide guidance on how to handle this.
    Answer:   The existing signs are 4 module. The signs were modified in Addendum #2 to reflect longer signs. However, the sign legend and length of sign will be reviewed with the manufacturer during the shop drawing review and determine if 4 module signs can be used.
Question Number  34:   Note #7 on sheet C-0040 states that "At Bid Time, the gate guards are paid $39.00 per Hour with notice of 48 hours prior to work and $100.00 per hour with less than 48 hours prior to work, but this is subject to change." Current Gate Guard Agreement rates with HSS references a billing rate of $44 per hour with more than 48 hours notice, $75 per hour for (28 to 24hr notice) and $104 per hour for less than 24hrs notice. Please confirm current Gate Guard rates for project.
    Answer:   The rates referenced in this question are indeed correct. Refer to updated Sheet C0040 in Addendum # 2 for updated note.
Question Number  35:   Note #8 on Sheet C-0040 states the maximum crane height allowed for unloading and loading cranes is 100ft. and 140ft at Batch Plant Set-up and breakdown in designated staging areas. Construction Safety and Phasing Plan Section 3.19 #1 notes that Equipment Height limited to 25ft on "All Project Areas". Please clarify Height Requirements and order of Precedence for conflicting requirements and provide FAA-7460 permit information with date for start of work.
    Answer:   Equipment operating within the project work area shall be limited to 30-foot height with effective dates of 5/4/2020 to 9/30/2020. Crane used for PCC batch plant erection/take down shall be limited to 140-foot with effective dates of the 7460 being 5/4/2020 to 1/1/2021. Crane used for paver loading/unloading (if needed) shall be limited to 100-foot with effective dates of the 7460 being 5/4/2020 to 9/30/2020. 7460 permits have been filed for all project areas and will not be provided as part of the bidding process.
Question Number  36:   Please provide electronic Grading files and Existing topography grades for computing Excavation and Embankment quantities in the Non- Pavement areas.
    Answer:   No, these will be provided to the successful bidder after the bid process.
Question Number  37:   The Site Plan Sheet C0040 & C0041 identifies four (4) Borrow Site areas. Please clarify anticipated borrow volume available at each location and any additional restriction on phasing, schedule or sequencing.
    Answer:   The exact borrow site to be utilized for this project is unknown at this time.
Question Number  38:   Section 152-1.4 Select Embankment states that "Upper Select Embankment shall be obtained from the borrow area indicated on the plans and shall meet the requirements of the specification."
    Answer:   The borrow location will be one of the sites identified on the plans. Geotechnical information is not available at this time.
Question Number  39:   Please identify Borrow location on the plans for Select Embankment and provide Geotech report information on material properties and density curves.
    Answer:   The borrow location will be one of the sites identified on the plans. Geotechnical information is not available at this time.
Question Number  40:   Note #42 on Sheet C0020 states that "Contractor is responsible for Discharge and Disposal of concrete slurry." A portion of the note is deleted by the Engineers Seal on the sheet.
    Answer:   The full note reads: “Per the technical specifications, Concrete slurry generated during construction activities shall be continuously removed by vacuuming and washing and shall not be allowed to migrate off paved surfaces. Slurry shall be collected prior to drying. Discharge and disposal of waste slurry shall be the Contractor’s responsibility.”
Question Number  41:   Please provide full note regarding Contractor's Responsibility for Slurry Disposal.
    Answer:   See response to Question 40.
Question Number  42:   Specification Section P-101, Method and Measurement for Bid Item P-101a, P-101b, P-101c, P-101d states "Removal of pavement shall included all sawcutting, excavation, hauling, disposal (including disposal fees) of pavement necessary to facilitate removal. Please confirm that pavement and sawcutting slurry can be disposed of free of charge in the South Concrete/Asphalt Rubble Disposal Site shown on Plan Sheet C0024.
    Answer:   Yes, sawcut slurry only may be disposed of at the south disposal site.
Question Number  43:   Note #1 on sheet C0150 states "Existing concrete thickness will vary and may include up to approximately 21 inches at thickened edges. No additional payment will be made for conrete thicker than 17 inches. " If additional compensation will not be made for saw cutting and demolition of concrete pavement thicker than 17 inches, will DEN provide previous core data that would show existing pavement concrete thickness?
    Answer:   Core data does not exist as requested. Pavements thicken to ~21-inches at A-Joints, this should be factored in for PCC demo, as additional payment will not be made for these areas. Additionally, due to the nature of FAA specs, the thickness of PCC pavement is generally greater than 17-inches by a nominal amount. This note is to indicate that additional payment will not be made for those nominal thicknesses greater than 17-inches.
Question Number  44:   Note #1 & 2 on Sheet C0029 makes reference to Geotechnical Report completed by Geocal, Inc. dated October, 2019. Can referenced Geotechnical Report be made available to Contractors in electronic form?
    Answer:   No, the Geotech report will not be provided as part of the bid process.
Question Number  45:   Note #3 on Sheet C0029 makes reference to Cores that are Not Shown.
    Answer:   A core was only taken on boring P-1, the thickness of which is shown on the boring logs on sheet C0030.
Question Number  46:   Please provide pavement core information and locations.
    Answer:   See response to Question 45.
Question Number  47:   Per Specification Section 901-2.1, Seeding shall be performed between spring thaw and "Junly 1st."
    Answer:   The correct date is July 1st. This change will be reflected in the Issued for Construction documents.
Question Number  48:   Please Clarify if end month is June or July?
    Answer:   The correct date is July 1st. This change will be reflected in the Issued for Construction documents.
Question Number  49:   Per Specification Section 901-2.1, Seeding shall be performed between spring thaw and Junly 1st. Or between October 15th and the freezing of ground. The Project phasing schedule and Project Completion Date of September 30th would require that portions of Seeding work would need to be performed outside of Seeding window or after September 30th completion date.
    Answer:   Portions of the project will likely require seeding after the phase is completed to meet the dates indicated in the specifications. The logistics of this will be worked out with the DEN PM and DEN Operations.
Question Number  50:   Please clarify waiver to seeding date requirements or extension to seeding completion with addition of Temporary Seeding bid item.
    Answer:   See response to Question 49.
Question Number  51:   Plans appear out of order. Electrical Phasing Plans C0051E to C0051G are Titled "Phase 1A, 1B & 1D" are included in sequence with Plans for "Phase 1A, 1B & 1C" and indicate electrical work areas.
    Answer:   The titles to the electrical phasing sheets appear to be incorrect. They are indeed showing the correct electrical phasing, and in the correct order. The titles will be updated with the Issued For Construction drawings.
Question Number  52:   Please confirm Phasing title description and applicable areas of work.
    Answer:   The titles to the electrical phasing sheets appear to be incorrect. They are indeed showing the correct electrical phasing, and in the correct order. The titles will be updated with the Issued For Construction drawings.
Question Number  53:   Plans appear out of order. Electrical Phasing Plans C0052E to C0052G are Titled "Phase 1A, 1B & 1C" are included in sequence with Plans for "Phase 1A, 1B & 1D" and indicate electrical work areas.
    Answer:   The titles to the electrical phasing sheets appear to be incorrect. They are indeed showing the correct electrical phasing, and in the correct order. The titles will be updated with the Issued For Construction drawings.
Question Number  54:   Please confirm Phasing title description and applicable areas of work.
    Answer:   The titles to the electrical phasing sheets appear to be incorrect. They are indeed showing the correct electrical phasing, and in the correct order. The titles will be updated with the Issued For Construction drawings.
Question Number  55:   Sheet C0054C, Temp Taxiway L1 shows wing tip clearances for ADG III and larger aircraft passing directly over work-zone area. Note #8 indicates that work will not be allowed in work area in order to maintain proper clearances. Per the CSPP Section 3.2.1 Phasing- Landmark 4, this work is to be performed between 2200 and 0500. Please clarify the number and frequency of impacts in order to complete required work in - 17 c calendar day window.
    Answer:   Work in this area, which cannot accommodate an immediate pullback for aircraft larger than ADG-II will be required to be completed at night, or off hours as coordinated with DEN Ops and the DEN PM. (It is assumed that major demo and paving work, that falls within the wingtip clearance shown on the plans, will be required to be completed at night.) Work, of which, men and equipment can pull back for ADG-III aircraft can take place during normal work hours, with the proper contractor supervision and coordination of the pull back operations.
Question Number  56:   Sheet C0054C, Temp Taxiway L1 is shown with clearance distances for unrestricted ADG II aircraft operation near the work zone areas. Aircraft will be required to perform U-turn movement with assumed right engine thrust power and a distance of 45ft horizontally and 125ft behind aircraft engines. Low- pro barricade will also be located approximately 25ft from right thrust engine.
    Answer:   The Contractor shall plan work activities accordingly for the proximity to active taxilanes.
Question Number  57:   Please review safety requirements for work zone area for unrestricted aircraft operation to construction personnel, barricade devices and open/ exposed subgrade to FOD generation.
    Answer:   The Contractor shall plan work activities accordingly for the proximity to active taxilanes.
Question Number  58:   General Note #4 on Overall Phasing Sheet C0050 states that Runway 17R-35L is closed for 50 Days of construction (Phase 1A). Construction Safety and Phasing Plan (CSPP) Section 3.3.1 - States that Runway 17R- 35L will be closed for 75 Calendar Days (Phase 1- 2A).
    Answer:   The runway will be closed to take-offs and landings for a period of 50 days. This is correct on the plans. The CSPP will be updated to reflect the 50 day milestone as part of the Issued for Construction drawings.
Question Number  59:   Please confirm Runway closure duration and applicable phases.
    Answer:   The runway will be closed to take-offs and landings for a period of 50 days. This is correct on the plans. The CSPP will be updated to reflect the 50 day milestone as part of the Issued for Construction drawings.
Question Number  60:   Note 3B on sheet C0150 states that "Repair shall be made by milling the existing cement treated base course to a minimum depth of 2 times the 1,200psi. Structural concrete mix design maximum aggregate size and filled with 1,200 psi structural concrete in accordance with specification P-610."
    Answer:   The milling depth is required to be 2 times the maximum aggregate size of the 1200 psi mix design.
Question Number  61:   Please confirm milling depth, as 1,200 psi is unmeasurable.
    Answer:   The milling depth is required to be 2 times the maximum aggregate size of the 1200 psi mix design.
Question Number  62:   Please provided copies of FAA -7460 Determination Letter for applicable work zone areas for Crane Loading Areas and PCC Batch Plant location.
    Answer:   These will be provided to the successful bidder prior to construction.
Question Number  63:   Instructions to Bidders #10 states that Notice to Apparent Low Bidder - Execution of Contract will be given within ninety (90) days from the date of bid opening that could take till April 7, 2020. This will only provide (27) calendar days till proposed construction start for completion by September 30, 2020.
    Answer:   This request is noted.
Question Number  64:   Given lead times on securing materials for concrete, reinforcing, electrical and PCC Batch Plant Start-up, a limited Notice-to-Proceed (NTP) following Notice to Apparent Bidder within 30 days after bids are received is requested in order to ensure construction start-up in order to meet May 4, 2020 start date.
    Answer:   This request is noted.
Question Number  65:   VSP Phasing on Vandriver St. shows concrete panel replacement areas immediately adjacent to proposed traffic. Panel replacements will result in pavement drop-offs greater than 3 inches and require protective barrier.
    Answer:   Low profile barricades will be required per the phasing plans. No specific distance from edge of PCC replacement is specified. Contractor shall place barricades such that there is sufficient distance from the barricade to the pavement drop off such that the barricade will not be at risk of falling into the depression.
Question Number  66:   Please clarify temporary barrier requirements and clearance distances from roadway to edge panel to accommodate width.
    Answer:   Low profile barricades will be required per the phasing plans. No specific distance from edge of PCC replacement is specified. Contractor shall place barricades such that there is sufficient distance from the barricade to the pavement drop off such that the barricade will not be at risk of falling into the depression.
Question Number  67:   Section 152-2.13 Surface Tolerances specifies tolerance of grade variation within 0.10ft from specified on safety areas, turfed areas and other designated areas within the grading limits where no subbase or base is placed. Smoothness tolerance of +/- 1/2 inch when tested with a 12ft straight edge would still apply to these areas.
    Answer:   Surface tolerances as specified in the specifications will apply.
Question Number  68:   Please review smoothness criterial and testing criteria for these areas given amount of grading in locations is required.
    Answer:   Surface tolerances as specified in the specifications will apply.
Question Number  69:   Vehicle permits issued by DEN Security do not list a fee.
    Answer:   This is correct. The contractor shall plan for these fees for RFID vehicle permits as needed.
Question Number  70:   We understand that effective January 1, 2020, an initial fee of $100 per permit will be charged to all companies requesting an Airfield Access Vehicle Permit. This fee is intended to recover the costs associated with the servicing and administration of the RFID Vehicle Permit system which is necessary to maintain controlled access of the airfield. The $100 fee will be charged for each RFID Vehicle Permit tag and applies to both initial and replacement permits. Any vehicles that were permitted prior to January 1, 2020 will not be subject to the initial fee.
    Answer:   See response to Question 69.
Question Number  71:   Please confirm vehicle Permit fees.
    Answer:   See response to Question 69.
Question Number  72:   Plan Sheet C0024 indicates that the designated Contractor Staging Area, Batch Plant Location and Employee Parking for this project will be located north of 71st Avenue west of Robertsdale Street. Please confirm that the selected contractor must operate out of this site and no existing batch plant sites on either the north or south side of the airport will be allowed to service this project.
    Answer:   The staging area and batch plant location shall be as shown on the plans.
Question Number  73:   Please confirm whether or not temporary structures such as Batch Plant, Office Trailers or Guard Shacks will require any CCD Building Department Permits for this project.
    Answer:   Building permits are required for all of these items.
Question Number  74:   Detail No. 2 on Plan Sheet C0150 - Partial Depth PCC Sawcut and Dowel Preservation Detail, contains Note 1, referring to Specification P-501 Section 4.19e for additional information. The referenced specification section does not contain information relevant to this detail, please clarify.
    Answer:   Any damage to adjacent slabs during removal per the detail will be required to be repaired in accordance with specification section P-501-4.19.e at no additional cost to the owner.
Question Number  75:   Detail No. 2 on Plan Sheet C0150 is referenced throughout the Demolition Plan Sheets, please confirm that this detail only applies to joints identified by the arrow, and not all joints adjacent to panels replaced in 2013 as identified in the Demolition Plans.
    Answer:   This detail applies to slabs that are being replaced in this project that were also replaced in 2013. The detail applies to those joints called out on the plans only.
Question Number  76:   Specification Section P-610-2.2.1 and P-501-2.1 state "Aggregates that do not have a 20-year record of service free from major repairs in similar conditions without D-cracking shall not be used unless the material currently being produced has a durability factor greater than or equal to 95 per ASTM C666." Please clarify what documentation needs to be provided to verify a 20 year record of service free from major repairs. Note that ASTM C666 testing can take up to 3 month to complete and due to this projects schedule requirements, ASTM C666 testing would have to begin prior to NTP.
    Answer:   The specifications indicate that crushed granite, calcite cemented sandstone, quartzite, basalt, diabase, rhyolite or trap rock are considered to meet the D-cracking test requirements. If the Contractor is proposing aggregate other than those types listed, evidence of meeting ASTM 666 will be required.
Question Number  77:   Plan sheet CO251 Detail J shows new 12-inch CTS as part of the typical section and the width is described as ‘varies’. If pavement geometry requires a narrow ‘sliver’ to be placed, is the additional width necessary for constructability to be measured and paid?
    Answer:   Any additional overbuild based on the Contractors means and methods will not be paid for separately.
Question Number  78:   Plan sheet CO253 Details P and Q reference ‘overbuild and cut back may be required in proposed shoulder section below ATPB’ with a width dimension. What is the intent of this note? What is to be overbuilt and cut back?
    Answer:   The contractor is required to build the pavement section to the dimensions shown in the typical sections. The DOR recognizes that depending on the Contractors means and methods, this may require overbuild and cutback to meet those dimensions. This overbuild will not be paid for, should it be required per the Contractors means and methods.
Question Number  79:   Plan sheet CO750 Detail F2 Note 1 states that baskets in contact with CTB and bondbreaker shall be epoxy coated. Is this correct?
    Answer:   This is correct.
Question Number  80:   Is the intent of plan sheetCO750 Detail L that all rigid/flexible joints on the project be sealed whether new or existing? Will these be paid under the joint sealing filler item?
    Answer:   No. This detail is only applicable to the new PCC pavement that is replaced adjacent to the shoulder and should be incidental to the PCC pavement replacement.
Question Number  81:   Plan sheet CO752 Detail 2 states mesh may be used in 17-inch panels with no structures. Is mesh allowed in panels with thickened edges?
    Answer:   Yes.
Question Number  82:   C0020 General Note 8 seems to suggest all active TW crossing will require flaggers; however, the phasing plan sheets do not have haul route flaggers at every active TW crossing on the haul route. Please clarify if there should be flaggers at each active TW crossing on the haul route or if the contractor should figure on having flaggers only were shown on the Phasing Plan Sheets
    Answer:   Flaggers are required where shown on the plans. There are indeed some crossings of active taxiways on Vandriver that will not require flaggers. However, there will be flaggers required to control contractor traffic crossing, entering and leaving Vandriver per the plans.
Question Number  83:   C0020 General Note 42 appears to be cut off by the stamp can the full note be provided?
    Answer:   This note should read: ““Per the technical specifications, Concrete slurry generated during construction activities shall be continuously removed by vacuuming and washing and shall not be allowed to migrate off paved surfaces. Slurry shall be collected prior to drying. Discharge and disposal of waste slurry shall be the Contractor’s responsibility.”
Question Number  84:   Will the specialty "No Entry" & "Construction Ahead Signs" shown in details 1 & 3 on C0022 be supplied by the airport or the contractor? Are these signs to remain the property of the contractor or be turned over to the owner upon completion of the project?
    Answer:   The Contractor shall supply these signs and may remain the property of the contractor.
Question Number  85:   Sheet C0022 detail 7 shows alternating barricades & candlesticks with an 8' gap between barricades. Is this correct or should a solid line of barricades be used in lieu of this layout?
    Answer:   Low profile barricades shall be interlocked. This detail will be revised as part of Addendum 2.
Question Number  86:   Will COMMCOM permits be required for guard shacks and batch plants on site?
    Answer:   Yes.
Question Number  87:   C0050 Shows the construction NTP to be issued a maximum of 10 days prior to the planned start date of May 4, 2010. Will an admin NTP be issued prior to the construction NTP as several submittals require submission 14 to 30 days prior to first use?
    Answer:   No, an admin NTP will not be issued
Question Number  88:   The batch plant site does not appear to be in the erosion control sheets. This will be required in order to obtain a COMMCON for the batch plant. Will the DOR add the batch plant site into the erosion control plans or will the contractor need to have an engineer draw the batch plant into an erosion control sheet for the purposes of the COMMCON.
    Answer:   The DOR will incorporate the batch plant site once a successful bidder is identified into the erosion control sheets for permitting.
Question Number  89:   Will pay items be provided for bond breaker fabric under PCCP and geotextile under ATPB or is the work considered to be incidental to the provided pay items.
    Answer:   The bondbreaker fabric under PCC and geotextile under ATPB is incidental per the typical sections. See Addendum 2.
Question Number  90:   Will CCD set up a job walk so the contractors can inspect the existing joints that get resealed?
    Answer:   If a site walk is requested, it can be accommodated.
Question Number  91:   Will CCD allow the saw slurry to be deposited on top of the spoils at the existing dump site?
    Answer:   Yes, the saw cut slurry may be deposited at the south recycle yard.
Question Number  92:   Addendum 1 says to remove the existing schedule of prices and quantities (pages 1-13) and replace with the attached schedule of prices and quantities (pages 1-13) but the addendum only has replacements for pages 4-13.
    Answer:   Pages 1-3 were erroneously omitted from Addendum 1. All 13 pages of the Schedule of Prices and Quantities will be included with Addendum 2. We are currently reviewing all of the questions that came in and want to see if anything else needs to be included or addressed with Addendum 2 before issuing.