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Inquiry #1: How do we obtain the as-built plans of the structural steel at spans 240, 241 and 243?
Inquiry submitted 12/12/2017

Response #1:The Special Provisions indicate that the availability of bridge as-built drawings is as specified in the Standard Specifications. In the Standard Specifications, the availability of bridge as-built drawings is covered under Section 2-1.06B, Supplemental Bid Information.
Response posted 12/12/2017




Inquiry #2: Ref Sheet 25 of 33; The Plan view shows 2 rows of bolts connecting the new W6x12 to the existing gusset plate. The 4” wide flange of the W6 is not wide enough to accommodate the 2 rows of bolts. Please advise.
Inquiry submitted 12/12/2017

Response #1:Please refer to Addendum #1.
Response posted 12/12/2017




Inquiry #3: Due to the fact that the Society for Protective Coatings (SSPC) Trade Show will be taking place at the time of the Mandatory Prebid meeting, we ask that you change the mandatory meeting date as to not conflict with the trade show that the bidders and possibly Caltrans employees will be attending. The trade show will be in New Orleans, Louisiana between January 15-18, 2018.
Inquiry submitted 12/13/2017

Response #1:
The mandatory prebid meeting is now scheduled for January 23, 2018 at 10:00 am per Addendum No. 1.

Response posted 12/13/2017




Inquiry #4: Ref. Sheet 26 of 33; At Detail B, Reconstruction, what is the thickness of the new gusset plate?
Inquiry submitted 12/13/2017

Response #1:New gusset plate = 3/8? thick.
Response posted 12/13/2017


Response #2:New gusset plate = 3/8? thick
Response posted 12/13/2017




Inquiry #5: Ref. Sheets 21 & 22 of 33; Note 3 states “Indicates location of connect new catwalk stringers to existing MC6x12’s”. Please provide connection details.
Inquiry submitted 12/13/2017

Response #1:Follow connection details as outlined on Sheet 26 of 33.
Response posted 12/13/2017




Inquiry #6: The fax number for the as-built order has no answer when we submitted the forms. please update the fax number or provide an email address for the as-built request.
Inquiry submitted 12/14/2017

Response #1:The fax number to use is: (213) 897-2033.
Response posted 12/14/2017




Inquiry #7: Special Provision Section 55 “Steel Structures” lists the galvanized catwalks as being included in this section. There are many Section 55 requirements that do not apply to this type of construction (i.e. all welding per D1.5 Bridge Welding Code, inspection requirements, etc.). Requiring the catwalks to be fabricated per Section 55 unnecessarily increases the cost of the project. We feel the catwalks should be included in Special Provision Section 75 “Miscellaneous Metal”. Please advise.
Inquiry submitted 12/14/2017

Response #1:Please bid per current contract documents.
Response posted 12/14/2017




Inquiry #8: Is the weight of the Bee Access Products I-beam clamps included in the Engineer’s estimated quantity of 328,673 LB for structural steel?
Inquiry submitted 12/14/2017

Response #1: Please bid per current contract documents. Reference section 55-1.01A of the Special Provisions. Yes, I-beam clamps is paid under Bid item 16 FURNISH STRUCTURAL STEEL (BRIDGE), and Bid item 17 ERECT STRUCTURAL STEEL (BRIDGE).
Response posted 12/14/2017




Inquiry #9: RE Question 6
The fax number provided in question 6 has the same "no answer" issue. Is there an email address available to submit the as-built request?

Inquiry submitted 12/14/2017

Response #1:The fax number provided in question #6, (213) 897-2033, should now be ?on-line? and working.

Response posted 12/15/2017




Inquiry #10: Special Provision Section 57-4.01C(4) requires the fiberglass reinforced grating installer to provide documentation of at least 5 completed installations in the last 5 years. This requirement is highly unusual and would severely limit the number of contractors / subcontractors able to bid this project. The FRP grating installation on this project is very simple as there is no field cutting or modification of the grating required. We request that this experience requirement be removed.
Inquiry submitted 12/15/2017

Response #1:Please bid per current contract documents.


Response posted 12/15/2017




Inquiry #11: This project currently has a 12% DBE goal. Typically on bridge painting projects we can use non-painting items like traffic control to meet DBE goals. This project does not need enough traffic control to even come close to meeting the 12% goal. Our DBE searches have not yielded a DBE structural steel fabricator/installer that can handle the structural steel/catwalk portion of this project. Painting cannot be subcontracted to a DBE painting contractor unless they are also SSPC QP1 and/or QP2 certified. We will hopefully be able to find DBEs for the other miscellaneous non-painting work, but all of that combined does not come close to representing 12% of the contract value. We request the DBE goal should be significantly lowered to something reasonably achievable. Please advise.
Inquiry submitted 12/21/2017

Response #1:Please Bid Per the Contract Special Provisions.
Response posted 12/21/2017




Inquiry #12: Legend Note 3 on Sheet 20 of 33 states “Repair 11” dent in bottom flange of girder”. Which bid item includes this work? Where can we find the special provision for this work?
Inquiry submitted 12/22/2017

Response #1:Bid per current contract documents. Reference Section 59-2.01C(3)(a) of the Special Provisions. Grinding the dent on the bottom girder flange will be included in the Bid Item 20 CLEAN AND PAINT STRUTURAL STEEL (EXISTING BRIDGE).
Response posted 12/22/2017




Inquiry #13: 1. Please confirm that Standard Specification section 59-3 Painting Galvanized Surfaces applies to the new galvanized steel on the contract and that new galvanized catwalks must be cleaned by pressure washing or steam cleaning, roughened by abrasive blasting and two finish coats applied.

2. If the galvanized catwalk surfaces do indeed get finish painted, please confirm the color of the finish coats. The special provisions specify PWB 162 leafing aluminum but the Standard Specifications section 59-3 for galvanized surfaces specifies FED-STD-595 color no. 14090, which is green.

Inquiry submitted 12/28/2017

Response #1:1) Reference Section 55-1.02D(3) of the Special Provisions. Catwalk including I-beam clamps must be galvanized under section 75-1.02B. There are no painting requirements for catwalk.
2) Reference Section 59-2.01(A)(1) of the Special Provisions. New cross-frame steel members will receive zinc undercoat and State Specification PWB 161 and 162 finish coats.


Response posted 12/28/2017




Inquiry #14: Are there any AISC Certification requirements for the fabrication of the structural steel and catwalk steel for this project?
Inquiry submitted 01/02/2018

Response #1:Bid per current contract documents. Reference Section 11-2.04 ?Personnel Qualifications and Certifications? of the Standard Specifications, and section 55-1.01A of the Special Provisions. Structural steel includes new cross-frame members and galvanized catwalks. Yes, there may be AISC Certification requirements for structural steel fabrication based on the welding inspection personnel or NDT firms to be used in the work.
Response posted 01/03/2018




Inquiry #15: Regarding the response to Inquiry #10, we are unable to find any subcontractors who can meet the Experience Qualifications for installation of the fiberglass grating. Will at least 5 completed installations in the last 5 years of STEEL grating be acceptable, in which case the steel subcontractor can install the grating?
Inquiry submitted 01/02/2018

Response #1:Bid per current contract documents. Reference Addendum No. 3, dated January 26, 2018, section 57-4.01C(4) of the Special Provisions. Yes, a steel grating contractor that has 5 completed installations in the last 5 years can install the fiberglass gratings.
Response posted 01/03/2018




Inquiry #16: The fiberglass grating specification is conflicting within itself as well as the plans. Section 57-4.02D states: "The fiberglass reinforced grating must be a one-piece pultruded grating..." Then follows to state a 2" square mesh configuration is required. 2" square mesh grating is a one piece MOLDED grating, not pultruded. Furthermore, the plans also call for pultruded grating. Please advise if a 2" square mesh pattern should be used (using Molded Grating) or if a Pultruded grating should be used.
Inquiry submitted 01/02/2018

Response #1:Bid per current contract documents. Reference Addendum No. 3, dated January 26, 2018, section 57-4.02D of the Special Provisions. A pultruded grating must be used.
Response posted 01/03/2018




Inquiry #17: With the Pre-Bid date being moved to January 23rd which is one week prior to the scheduled bid date, we respectfully request the bid date be moved one or two weeks later. This will allow for questions that might be generated by the pre-bid and site visit to be properly answered by CALTRANS and then have the answers comprehended by the bidders.
Inquiry submitted 01/08/2018

Response #1:Please refer to Addendum No. 3, issued on January 26, 2018, which moved the bid opening date to March 22, 2018.


Response posted 01/08/2018




Inquiry #18: The FRP grating required for the catwalks is shown on drawing pages 6, 10, and 14 of 16. However, we are having difficulty determining the length x wide of each grating section, and subsequent count for each; widths appear to be 2', 3' and 4', but length and count don't appear to be provided. Please advise as to the specific widths required, and the lengths, and counts for each grating section.
Inquiry submitted 01/09/2018

Response #1:Please bid per current contract documents. Refer to contract plans, as-built drawings, and Addendum No. 3, dated January 26, 2018, Section 57-4.02F of the Special Provisions for catwalk gratings dimensions and requirements for fiberglass grating exposed cut ends. No further information regarding the lengths and counts of grating sections will be provided.


Response posted 01/09/2018




Inquiry #19: Although the catwalks are included in Bid Items 16 & 17 “Structural Steel”, we assume they are to be fabricated per Standard Specification Section 75 “Miscellaneous Metal”. Please confirm.
Inquiry submitted 01/11/2018

Response #1:Please bid per current contract documents. Reference sections 55-1.01A ?Summary? of the Special Provisions and section 55-1.02E ?Fabrication? . Catwalk steel frames must be structural steel and are to be fabricated as structural steel.
Response posted 01/11/2018




Inquiry #20: Special Provision Section 57-4.02D is calling for pultruded grating in a 2” square mesh configuration. Pultruded grating cannot be manufactured in a square mesh configuration. Please advise.
Inquiry submitted 01/18/2018

Response #1:Please refer to Inquiry #16?s response.
Response posted 01/19/2018




Inquiry #21: Is Caltrans paying for the railroad flagman or is the contractor the responsible party? If the contractor is responsible what are the flagman rates?
Inquiry submitted 01/24/2018

Response #1:Railroad flagging services will be provided by the railroad companies and paid for by Caltrans.
Response posted 01/24/2018




Inquiry #22: Would you kindly post the sign-in sheet from the mandatory pre-bid meeting? Thanks in advance!
Inquiry submitted 01/24/2018

Response #1:Company: Abhe & Svoboda Inc.
Address: 18100 Dairy Lane, Jordan, MN 55352
Name: LE (Butch) Niemann
Business Phone: 952-447-6025
Fax: 952-447-1000

Company: Diana Prince Construction, Inc.
Address: PO Box 5206, Irvine, CA 92616
Name: Kristine Flynn
Business Phone: 714-550-9377
Fax: 714-242-7617

Company: Techno Coatings Inc.
Address: 1391 S. Allec Street Anaheim CA 92805
Name: Nick Cichirillo, Maddie Elliott
Business Phone: 714-635-1130
Fax: 714-635-6357

Company: Liberty Maintenance Inc. DBA Ohio Liberty Maintenance Inc.
Address: 777 N. Meridian Rd. Youngstown Ohio, 44509
Name: Emanuel Frangos, Nikolaos Frangos
Business Phone: 330-755-7711
Fax: 330-755-1847




Company: Royal Bridge Inc. DBA Royal Bridge Painting Inc.
Address: 3601 Alt. 19 Palm Harbor, FL 34683
Name: Emmanuel Chrysakis
Business Phone: 727-934-6042
Fax: 727-234-0942

Company: Alpha Painting and Construction Co., Inc. DBA Alpha Pointing Co.
Address: 6800 Quad Avenue Baltimore, MD 21237
Name: Dimitrios Aikaterinidis
Business Phone: 410-288-6800
Fax: 410-288-6805

Company: American Civil Constructors
Address: 2990 Bay Vista Ct Benicia CA 94510
Name: Dave Wilkerson, John Newsome
Business Phone: 707-590-0047, 707-297-2693
Fax: 707-746-0936

Company: CL Industrial Coatings, Inc.
Address: 11650 Western Ave. Stanton CA 90680
Name: Rick Suttles
Business Phone: 562-305-1528
Fax: 714-892-7691




Company: Safespan Platforms Systems, Inc.
Address: 252 Fillmore Ave. Tonawanda NY 14150
Name: David Malcolm, Mike Moffo
Business Phone: 716-860-1283, 248-330-0582
Fax: 716-694-1188

Company: Certified Coatings Company
Address: 2320 Cordelia Road Fairfield CA 94534
Name: Steve Edgar, David Brockman
Business Phone: 951-741-8454, 707-639-4414
Fax: 951-547-1743, 707-432-0574

Company: IUPAT DC36
Address: 1155 Corporate Center Dr. Monterey Park CA 91754
Name: Don Mcclain
Business Phone: 323-236-8918
Fax:

Company: Patriot Environmental Services
Address:
Name: Mike Ricardo, Steve Isigro
Business Phone: 562-436-2614, 562-244-0264
Fax: 562-436-2068

Company: FD Thomas
Address: 217 Bateman Central Pt OR 97502
Name: Daniel Lewis
Business Phone: 541-664-3010
Fax: 541-664-1105

Response posted 01/24/2018




Inquiry #23: Please advise if the existing "Steel Girder Seat Extender" plates and earth quake restrainer cables require surface preparation and painting. This would be at work locations 2, 3 and 4.
Inquiry submitted 01/24/2018

Response #1:Please bid per current contract documents. Reference plan sheet 18 and section 59-2.01A(1) of the Special Provisions. The steel girder seat extender plates are parts of existing steel surfaces that need to be cleaned and painted. The restrainer cables do not need to be cleaned and painted.


Response posted 01/24/2018




Inquiry #24: At work location 3, the area underneath the bridge is being used by private parties as a storage and for vehicle repairs. The dirt area is contaminated with oil and other unknown debris and foreign substances. Please advise if soil testing in this area will be waived.
Inquiry submitted 01/24/2018

Response #1:Soil testing at work location 3 is not waived. Soil testing is included to monitor the soil and around the work area to verify the effectiveness of the containment system, as specified in Section 14-11.13D(1) of the Special Provisions.
Response posted 01/24/2018




Inquiry #25: At work locations 2 and 3, the homeless encampments, trash and other hazardous waste debris that are within the work areas are of concern. Will Caltrans remove or cause to remove these items of concern prior to contact work mobilization and ensure this is accomplished?
Inquiry submitted 01/24/2018

Response #1:Prior to construction starting in a work area, Caltrans will work with law enforcement to have homeless encampments, trash, and debris removed.
Response posted 01/24/2018




Inquiry #26: In Work Location areas 3 and 4, there are numerous railroad tracks at various elevations. Please provide distance measurements from top of track to bottom of girder flange for each set of tracks.

Location 3 has one set of tracks.

Location 4 has at least 8+ sets of tracks within the Amtrack facility (West of the Los Angeles River) and 5+ sets of tracks East of the Los Angeles River. With as much as 6+ sets of bridges, with different size of girders and elevation heights, railroad track clearances are necessary to determine the type of platform systems.

Access in the areas have not been made available to the contractor.

Inquiry submitted 01/24/2018

Response #1:Please see the information handout drawings included in Addendum No. 5 for additional vertical clearance information. Vertical clearance information is not provided over every track, but the information provided is considered sufficient to establish the range of clearances. Where the viaduct is much higher than the railroad tracks (greater than 30 feet such as under Line 2 and Line 4 at Location 4) vertical clearance information may not be shown. At Location 3, the vertical clearance information provided is from an as-built plan and not based on survey information.
Response posted 01/24/2018




Inquiry #27: On the Catwalk Framing Plan No.1 on plan sheet 21 of 33, the exterior catwalks on lines N & Q are shown as partial length of the girders extending from the hinge west of bent 241 to bent 242. These catwalks are shown extending from the hinge to bent 241, about 30 ft.
On Catwalk Details No.5 on plan sheet 28 of 33, Girder Elevation for the 142'-6" girders, lists the girders at lines N & Q as having full length catwalks at these girders.
Which is correct?

Inquiry submitted 01/25/2018

Response #1:Please bid per current contract documents. Refer to Addendum No. 5, dated March 16, 2018, plan sheet 28 of 33.



Response posted 01/25/2018




Inquiry #28: Please provide the approximate number of Amtrak, BNSF, and Metrolink trains that pass under the Location 4 structures each day. This information is not included in the Information Handout and is very pertinent to the performance our work over the tracks.
Inquiry submitted 01/25/2018

Response #1:BNSF has advised that there are 4 freight trains per day (4 total). UPRR has advised that there are 4 passenger trains and 2 freight trains per day (6 total). Amtrak has advised that there are 50 passenger trains per day (50 total). Metrolink has advised that there are 4 passenger trains and 20 freight trains per day (24 total).
Response posted 01/26/2018




Inquiry #29: Please provide the approximate number of trains per day that use the RR tracks at Location 3 and the RR entity in control of those tracks.
Inquiry submitted 01/25/2018

Response #1:The track at location 3 is owned by Union Pacific. They advise that there are 2 freight trains per day at that location.
Response posted 01/26/2018




Inquiry #30: Sheet 4 of 33 of the drawings shows a 20' wide access area under Location 3. There is a tenant on both sides of that access area from Bent 207 to Bent 211. We have to have temporary areas of access at each bent for forklifts and manlifts in order to install the temporary platform. It cannot be done by only using a 20' wide strip of land under the middle of the bridge. When we are installing platforms, we need to cordon off the areas on the ground under the leading edge of the platform for safety so that if something were to accidentally drop, no one on the ground is injured. Additionally, doing a large complete abrasive blast lead abatement job like this takes a huge amount of equipment (dust collector, vacuum, compressors, generator, blast pot, shipping containers for secure storage, etc) and staging/storage for new abrasive and waste storage for hazardous waste spent abrasive. We need more accommodation at the site than the specified 20' wide strip. We request that the specified area for temporary use be expanded to Bent 210 and Caltrans secure agreement from the tenant that the contractor can coordinate temporary access to the rest of the yard as needed for platform installation, including isolating areas directly under the leading edge of platforms being installed or removed for safety reasons. Please advise.
Inquiry submitted 01/25/2018

Response #1:The designated work area shown at Location 3 was established for the exclusive use of the Contractor during the construction of the project. The size of this area has been intentionally limited to allow the existing airspace lease tenant to be able to continue with business operations during the construction of the project. Within airspace lease areas that are outside of the designated work area, temporary clearing of the ground area under the leading edge for platform construction may be arranged with the Engineer. At location 3, additional staging areas or storage yard space that is exclusive to the contractor will not be provided.
An area outside of the contract limits, for the exclusive use of the contractor, as show in the information handout drawing included in Addendum No. 5, may be made available subject to the conditions identified in the drawing.

Response posted 01/26/2018




Inquiry #31: Sheet 5 of 33 of the drawings shows a 20' wide access area at Bents 239, 244, 247 and 251 under Location 4. This is not nearly enough space to accommodate our needs for staging platforms and scaffolding parts, blasting and painting equipment, paint storage, new abrasive storage, hazardous waste storage for spent abrasive etc. Additionally, we have to have temporary areas of access at each bent for in order to install the temporary platform. It cannot be done by only using these 20' wide strips of land that are spaced so far apart. When we are installing platforms, we need to cordon off the areas on the ground under the leading edge of the platform for safety so that if something were to accidentally drop, no one on the ground is injured. Additionally, doing a large complete abrasive blast lead abatement job like this takes a huge amount of equipment (dust collector, vacuum, compressors, generator, blast pot, shipping containers for secure storage, etc) and staging/storage for new abrasive and waste storage for hazardous waste spent abrasive. We need more accommodation at the site than the specified 20' wide strip. We request that the specified area for temporary use at Bent 239 be expanded to include an area on the West side of Bent 239 approximately 50'x200'. We request that the staging area at Bent 244 be expanded by an adjacent area approximately 50'x200'. We request that additional staging area be provided as well at Bents 247 and 251 and that Caltrans secure agreement from the various tenants that the contractor can coordinate temporary access to the rest of the areas as needed for platform installation, including isolating areas directly under the leading edge of platforms being installed or removed for safety reasons. Please advise.
Inquiry submitted 01/25/2018

Response #1:The designated work areas shown at Bents 239, 244, and 247 at Location 4 were established for the exclusive use of the Contractor during the construction of the project. The size of these areas have been intentionally limited to allow either the railroad yard or the airspace lease tenants to be able to continue with business operations during the construction of the project. Within the railroad yard or airspace lease areas that are outside of the designated work areas, temporary clearing of the ground area for construction of the platform leading edge may be arranged with the Engineer.
At Bents 239, 244, and 247, additional staging areas or storage yard space that is exclusive to the contractor will not be provided. Temporary staging or temporary storage of equipment and materials on State property outside of the railroad yard or airspace lease areas, may be arranged with the Engineer, subject to the prior needs of the State and to other contract requirements.

The designated work area shown at Bent 251 was also established for the exclusive use of the Contractor during the construction of the project. Since this designated work area is not within a railroad yard or existing airspace lease property, additional temporary staging or temporary storage of equipment and materials on State property may be arranged with the Engineer, subject to the prior needs of the State and to other contract requirements.

An area outside of the contract limits, for the exclusive use of the contractor, as show in the information handout drawing included in Addendum No. 5, may be made available subject to the conditions identified in the drawing.

Response posted 01/26/2018




Inquiry #32: What will be the available work hours within the Rail Road track envelope?
Inquiry submitted 01/26/2018

Response #1:There are no specified work hour limitations when the contractor is working inside a containment system that has been fully set up. While constructing and removing the containment system, the contractor will need to insure that flagging protection is available. Night time flagging can be arrange with the railroad companies at a premium cost.
Response posted 01/26/2018




Inquiry #33: Can Caltrans please provide bidders with frequency of trains per day for each set of the Rail Road tracks?
Inquiry submitted 01/26/2018

Response #1:Caltrans does not have access to time tables for the railroad companies nor can we secure this information. The extent of the information that Caltrans has regarding train traffic is provided in the response to Bidder Inquiry question #28.


Response posted 01/26/2018




Inquiry #34: Will Flaggers be available 24 hours per day? If not, when will they be available?
Inquiry submitted 01/26/2018

Response #1:Customarily, flagging protection is available during daylight hours. However, night time flagging can be arranged with the railroad companies at a premium cost.
Response posted 01/26/2018




Inquiry #35: Section 7-1.02K(6)(e)(ii) of the Special Provisions states the available load capacity of the three bridges to be painted is 35 psf. Section 59-2.01B(2)(b)(3) of the 2015 Standard Specifications states the minimum design load of a ventilated containment system for 100 percent blast cleaning to bare metal must be a uniform load of at least 45 psf plus a 1,000 lb moving concentrated load. These two sections are in conflict as this project requires 100 percent blast cleaning to bare metal. Please clarify required engineered load capacity of the containment platforms.
Inquiry submitted 01/29/2018

Response #1:Please bid per current contract documents. Reference section 7-1.02K(6)(e) of the Special Provisions, and section 59-2.01B(2)(b) of the Standard Specifications. The available bridge load capacity is 35 lb/sq ft across the supported width of a longitudinal girder. The specified minimum total design load is applied over the supported area of the ventilated containment system. You must design your ventilated containment systems and stage your operations complying with the bridge available capacity.


Response posted 01/29/2018




Inquiry #36: Sheet 5 of 33, Layout L-4 notes the railroad tracks on the East side of Location 4 to be Union Pacific tracks. There are insurance requirements for Amtrak, BNSF and Metrolink in the Information Handout, but not for Union Pacific. Please clarify that Union Pacific will not require the contractor to provide insurance, or provide Union Pacific's insurance requirements that contractors need to comply with.
Inquiry submitted 01/30/2018

Response #1:Union Pacific does require that the contractor be insured. Their requirements indicate that a licensee shall, at its own expense, procure the following kinds of insurance and promptly pay when due, all premiums for that insurance. The following insurance shall be kept in force during the life of the agreement: Commercial General Liability Insurance, Business Automobile Liability Insurance, Worker?s Compensation Insurance, and Railroad Protective Liability Insurance (during construction or maintenance only). The limits of coverage under each of the required insurance policies will be based on the activity and risk involved with the specific project. Specific insurance requirements will be provided to you in the agreement covering your project when it is approved by the Railroad.
Response posted 01/31/2018




Inquiry #37: We would request a second prebid meeting be scheduled due to the fact that this project was advertised in Paint Bid Tracker on December 12, 2017 at an estimated value of $4,360,000 in error and the bid has been postponed until March 22, 2018. It has recently come to our attention that the estimated amount of the project is $55,000,000; thus our company is extremely interested in the bid and possibly others due to the accurate value of this project.
Inquiry submitted 02/12/2018

Response #1:There are no plans to schedule a second prebid meeting. Caltrans does not advertise in Paint Bid Tracker and is not responsible for the information posted in that system.
Response posted 02/12/2018




Inquiry #38: Ref. Special Provision Section 55 “Steel Structures”; Can galvanized fasteners be used at the structural steel cross frame connections?
Inquiry submitted 02/14/2018

Response #1:Please bid per current contract documents. Reference section 59-2.01A(1) of the Special Provisions. New cross-frame steel members including fasteners must have the specified coating system. No, fasteners can?t be galvanized.


Response posted 02/14/2018




Inquiry #39: The Addendum Download folder does not contain the Addendum with the file extension .ebs which is needed to upload into the Expedite Bid program. Please add the .ebs file so that we can update the Expedite Bid program. Contractor's will not be able to submit a bid unless the program has all of the addendum updated.
Inquiry submitted 02/14/2018

Response #1:EBS, .001, .002, and .003 are all there.
Response posted 02/14/2018




Inquiry #40: In response to Inquiry #39's response: Just tried to access the Addendum Download File and only the PDF files are available to download. Can you provide a link to all 3 .ebs addendum files for download please.
Inquiry submitted 02/14/2018

Response #1:The EBS and EBS Amendment (.001, 002, etc.) files are all available for download on the BidX.com website, NOT on the Caltrans website where the Addendum PDF files are located.
Response posted 02/14/2018




Inquiry #41: Can railroad traffic be temporarily rerouted to another track when platform installation is active over a specific set of tracks in order to allow longer uninterrupted work windows over a specific track?
Inquiry submitted 03/06/2018

Response #1:No, the railroad traffic cannot be temporarily rerouted to other tracks to accommodate construction of the project.
Response posted 03/06/2018




Inquiry #42: Bidder inquiry #38 confirms that new fasteners cannot be galvanized. One option is to use black bolts and abrasive blast and prime bolts and nuts after installation. This is not an attractive option because bolts and nuts have be blasted from a lot of different angles and the overblast will damage nearby previously applied coatings on structural steel as well as galvanizing on new catwalk members. Additionally, it will add a significant cost to the project due to the labor cost of doing this and fixing the collateral damage it will cause in the vicinity of bolted connections.

To avoid this issue during construction of the new Self-Anchored Suspension Span of the San Francisco-Oakland Bay Bridge, fasteners coated with Geomet-500 were used. After installation, a Geomet coated fastener simply needs to be solvent cleaned prior to being finish coated with the bridge coating system. Geomet is a chrome free alternative to the older Dacromet 500 high strength fastener coating.

Geomet provides corrosion protection to high strength fasteners where galvanizing cannot due to the hydrogen embrittlement associated with galvanizing high strength steel.

Please confirm that Geomet-500 coating of high strength fasteners will be acceptable for this project.

Inquiry submitted 03/06/2018

Response #1:Bid per current contract documents. Thank you for your advice.


Response posted 03/06/2018




Inquiry #43: Ref. Sheet 24 of 33, “Partial Girder Plan”; Section C-C is called-out at the locations where there is no existing L4x4 cross frame member and a new W6 cross frame member is to be added. Section C-C on sheet 25 of 33 calls-out Detail A at the left end of the new W6. Detail A does not apply here as there is no existing L4x4 member or horizontal gusset plate at this location. We assume the section C-C call-out at the left end of the W6 should instead be Detail B (Sim), Sheet 26 of 33. Please confirm this is correct
Inquiry submitted 03/07/2018

Response #1:Bid per current contract documents. Reference plan sheets 21 and 22 of 33 for locations of removing and replacing existing with new cross-frame members, and placing new cross-frame members. Reference plan sheets 24, 25, and 26 of 33 for different cases of new W6x12s attachment details.

Plan sheet 25 of 33, Detail A applies when a new W6x12, with respect to section C-C, is attached to locations that have existing wind bracings.

Response posted 03/07/2018




Inquiry #44: In reference to inquiry #32 - Response #1
Who pays for the premium cost of night time flagging? Also, how much is it if the cost is the contractors responsibility?

Inquiry submitted 03/16/2018

Response #1:Caltrans will incur all costs for railroad flagging on this project.
Response posted 03/16/2018




Inquiry #45: We are bidding materials and continue to receive requests for quote. Beyond the mandatory bid list and other lists shown on this site, are there another sources showing ALL potential bidders, both prime and sub?
Inquiry submitted 03/26/2018

Response #1:A plans holders search website is available at: http://www.dot.ca.gov/hq/esc/oe/planholders/plans_holder.html

In addition, consider registering at the Caltrans Bidding Connect portal to see if any other information is available regarding potential bidders. The portal is at:
http://www.dot.ca.gov/des/oe/connect/oe-connect.php

Response posted 03/26/2018




Inquiry #46: The prevailing wage determination for Los Angeles County has 6 different rates for painter. Which of the 6 is the correct rate to be used for this project?
Inquiry submitted 03/27/2018

Response #1:The contractor must determine and decide on his own which rate to use based on the scope of work or work they will be performing.
Response posted 03/28/2018




Inquiry #47: Are the steel collars (seismic retrofits) around the bridge columns a part of the project scope to abrasive blast and paint? Please verify.
Inquiry submitted 03/29/2018

Response #1:Bid per current contract documents. Refer to section 59-2.01A(1) of the Special Provisions, and plan sheets 18, 19, and 20 of 33, all steel surfaces of the existing bridge suuper structures need to be cleaned and painted. No, steel collars around the existing bridge columns do not need to be cleaned and painted.
Response posted 03/29/2018




Inquiry #48: Please verify whether or not the steel sign supports above the roadway of the Santa Monica viaduct (Bridge No. 53-1301) are to be painted?
Inquiry submitted 03/30/2018

Response #1:Bid per current contract documents. Refer to section 59-2.01A(1) of the Special Provisions, "all steel surfaces of the existing bridge" need to be cleaned and painted. No, steel sign supports do not need to be cleaned and painted.
Response posted 03/30/2018




Inquiry #49: Do the galvanized structural steel roadway sign structures above the deck get cleaned and painted?
Inquiry submitted 03/30/2018

Response #1:Bid per current contract documents. Refer to section 59-2.01A(1) of the Special provisions, ?all steel surfaces of the existing bridge? need to be cleaned and painted. No, galvanized steel signs do not need to be cleaned and painted.


Response posted 03/30/2018




Inquiry #50: Do the earthquake restraining devices get painted only in the steel girder spans at locations 2,3, and 4, or do they get painted in the concrete girder spans as well?
Inquiry submitted 03/30/2018

Response #1:Bid per current contract documents. Refer to section 59-2.01A(1) of the Special provisions, and sheet 18 of 33 of the advertised plans for locations of clean and paint work. There is no clean and paint work described for the concrete girder spans.


Response posted 03/30/2018




Inquiry #51: Do galvanized drainage downspouts get cleaned and painted at locations 2, 3, and 4?
Inquiry submitted 03/30/2018

Response #1:Bid per current contract documents. Refer to section 59-2.01A(1) of the Special provisions, ?all steel surfaces of the existing bridge? need to be cleaned and painted. No, galvanized drainage downspouts do not need to be cleaned and painted.


Response posted 03/30/2018




Inquiry #52: Please clarify Caltrans response to Inquiry #47. Define the term "Steel Collar". Also, is it Caltrans intent to abrasive blast and paint the steel column casings? If the steel casings are required to be painted, please provide the quantity of columns that have steel casing around them, the size of the columns as there are multiple configurations of columns, the height of the columns that would require to be painted as each one is different. Caltrans has denied the contractor access to assess or inspect the majority of columns. Due to the limited access, it is impossible to determine which columns are concrete and which have steel casings without getting immediate access. Caltrans has not provided any of the column or "steel collar" details or quantities on the drawings and specifications which would be needed to bid responsibly. Furthermore, is it Caltrans intent to abrasive blast and paint the seismic retrofit appurtenances too? If so, the same details would be needed as listed above for the columns. If the casings and retrofit appurtenances are required to be painted this bid needs to be postponed until quantities, details, and/or access is provided to assess these items.
Inquiry submitted 04/03/2018

Response #1:Bid per current contract documents. See revised response to Inquiry No.47. No further information will be provided.
Response posted 04/03/2018




Inquiry #53: Followup to Inquiry #31:

Your response states, " Temporary staging or temporary storage of equipment and materials on State property outside of the railroad yard or airspace lease areas, may be arranged with the Engineer, subject to the prior needs of the State and to other contract requirements."

Can you provide clarification of where such others areas may be in relation to Location 4 with approximate length and width, even if you are not sure whether they would be usable by the Contractor to at least give an idea of what is potentially available and how far from the work it is?

Inquiry submitted 04/03/2018

Response #1:The Department has not identified any specific areas that would serve as an example of what is potentially available.
Response posted 04/03/2018




Inquiry #54: Followup to Inquiry #34:

Your response to inquiry #34 states night time flagging can be arranged at a premium cost. Would that premium cost be borne by Caltrans or the Contractor?

Inquiry submitted 04/03/2018

Response #1:Caltrans will incur all costs for railroad flagging on this project.
Response posted 04/03/2018




Inquiry #55: Item #24 - Temporary Fence (Type CL-6) quantities doesn't match with the quantities on Lay-out 4, Addendum 6. Please verify. Thanks
Inquiry submitted 04/03/2018

Response #1:The quantities shown on Layout Plan L-4, included in Addendum No.6 are correct.
Response posted 04/04/2018




Inquiry #56: Are all necessary agreements in place between Caltrans and all Rail Companies found in this project's limits of work?
Inquiry submitted 04/03/2018

Response #1:Yes, all the necessary agreements are in place with each railroad company.
Response posted 04/04/2018




Inquiry #57: Can you please clarify which response is correct with respect to inquiries 47 and 48? 47 states “No, steel collars around the existing bridge columns need to be cleaned and painted whereas 48 states, “No, steel collars around the existing bridge columns do not need to be cleaned and painted.”
Inquiry submitted 04/04/2018

Response #1:No, steel collars around the existing bridge columns do not need to be cleaned and painted.
Response posted 04/04/2018




Inquiry #58: In regards to Inquiry 47, 48, and 56 concerning the blasting and painting of the existing steel column casings we are asking for further clarification. Per Addendum 6 it states on page one last paragraph, "Ground access to construct suspended containment systems is limited to designated work area under bridge as shown. These containment systems must be constructed above ground using these work areas as starting points". Page 2 states, "The containment systems must be suspended from the bridge except for locations that require temporary closures as described". There are several column casings in locations 2, 3, and 4 how does Caltrans expect the contractor to access/contain these column casings when you are only allowed in the designated areas? Some of these column casings are very tall/big and ground scaffolding will be required for access and containment outside of the designated areas.
Inquiry submitted 04/04/2018

Response #1:Bid per current contract documents. There is no work described for column casings in this contract.
Response posted 04/04/2018




Inquiry #59: Follow-up to Inquiry #55, the quantities shown on L-4 per Addendum No. 6 is correct at 3,167 LF but the Bid Schedule per Addendum No. 6 remain the same at 2,830 LF, please verify. Thanks
Inquiry submitted 04/04/2018

Response #1:Yes, the bid item list will show the quantity as 2,830 LF.
Response posted 04/05/2018


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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