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ADDENDUM II SUBJECT: Invitation for Bids (IFB) #00163, Construction of Brooks Hike and Bike Trail Connection Scheduled to Open: March 20, 2020 at 11:00 AM C.S.T. FROM: Karen Smith, Purchasing Officer [email protected] DATE: March 6, 2020 This notice shall serve as Addendum No. 2 - to the above referenced SOLICITATION THE ABOVE-MENTIONED SOLICITATION IS HEREBY AMENDED AS FOLLOWS: 1. UPDATED: Questions and Answers from pre-solicitation meeting and submitted via email. 2. UPDATED: Exhibit 1 Pricing Sheet 3. UPDATED: Exhibit 4 – updated per question 1 – available at https://www.sara- tx.org/transparency/contracting-opportunities/00163-construction-brooks-hike-bike- trail-connection 4. ADDED: Photos – related to Question 66 (Attachment 1) 5. UPDATED: Exhibit 4 Plan Sheets S1 & S2 – (Attachment 2) updated per Question 65 On February 14, 2020 the San Antonio River Authority (River Authority) hosted a Pre- Submittal conference to provide information and clarification for the solicitation. Below is a list of questions that were asked at the pre-submittal conference and to those submitted via email before the question submittal deadline. The River Authority’s official response to questions asked is as follows: 1. Is it possible for the River Authority to provide us with a plan file that has the same resolution for every plan sheet? There is currently a mix of 24x36 and 11x17 size plan sheets within the pdf file. The different size plan sheets are messing with the scale and creating havoc in our estimating software. I don’t want to change the plan sheet sizes and screw up the scale even further. Yes, the file is 35 MB, so please visit our website for updated plans issued with the is addendum at https://www.sara-tx.org/transparency/contracting-opportunities/00163- construction-brooks-hike-bike-trail-connection Please note: This package has the original published S1 and S2, which have been updated per this Addendum as Attachment 2.
Transcript
Page 1: ADDENDUM II SUBJECT: Invitation for Bids (IFB)#00163 ... · SUBJECT: Invitation for Bids (IFB)#00163, Construction of Brooks Hike and Bike Trail Connection Scheduled to Open: March

ADDENDUM II

SUBJECT: Invitation for Bids (IFB) #00163, Construction of Brooks Hike and

Bike Trail Connection Scheduled to Open: March 20, 2020 at 11:00 AM C.S.T.

FROM: Karen Smith, Purchasing Officer

[email protected] DATE: March 6, 2020

This notice shall serve as Addendum No. 2 - to the above referenced SOLICITATION THE ABOVE-MENTIONED SOLICITATION IS HEREBY AMENDED AS FOLLOWS: 1. UPDATED: Questions and Answers from pre-solicitation meeting and submitted

via email. 2. UPDATED: Exhibit 1 Pricing Sheet 3. UPDATED: Exhibit 4 – updated per question 1 – available at https://www.sara-

tx.org/transparency/contracting-opportunities/00163-construction-brooks-hike-bike-trail-connection

4. ADDED: Photos – related to Question 66 (Attachment 1) 5. UPDATED: Exhibit 4 Plan Sheets S1 & S2 – (Attachment 2) updated per

Question 65 On February 14, 2020 the San Antonio River Authority (River Authority) hosted a Pre-Submittal conference to provide information and clarification for the solicitation. Below is a list of questions that were asked at the pre-submittal conference and to those submitted via email before the question submittal deadline. The River Authority’s official response to questions asked is as follows:

1. Is it possible for the River Authority to provide us with a plan file that has the same resolution for every plan sheet? There is currently a mix of 24x36 and 11x17 size plan sheets within the pdf file. The different size plan sheets are messing with the scale and creating havoc in our estimating software. I don’t want to change the plan sheet sizes and screw up the scale even further. Yes, the file is 35 MB, so please visit our website for updated plans issued with the is addendum at https://www.sara-tx.org/transparency/contracting-opportunities/00163-construction-brooks-hike-bike-trail-connection Please note: This package has the original published S1 and S2, which have been updated per this Addendum as Attachment 2.

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 2 of 14

2. In addition to the original hard copy, how many copies of the bid package are required? Only the original hard copy and an electronic copy are required. (Part 1, Section 12, Page 10)

3. For the phasing of the overall – can we start in multiple places? If so can we get substantial completion? It may be possible to work in more than one place on the project however SARA standards require that not more than 500 l.f. of open construction allowed at any time. Contractor shall operate within the smallest footprint possible to reduce the amount of disturbed soils and vegetation. Substantial completion will be incumbent upon usage of trail. For partial substantial completion to be considered, the trail portion in question will need to be ready for occupancy with all elements of the work completed for that section. Consideration will be given for areas completed but must be approved by owners prior to partial substantial completion being granted.

4. Is this a unit price job? This project is lump sum. Unit pricing is intended to add up to the total bid amount. It is also intended to be listed in the event that scope of work items need to be added or deducted. The unit pricing sheet can also be used as a guide for schedule of values basis of payment.

5. Is this a unit price job or lump sum? Lump sum. See item #4 above.

6. If the project is a lump sum bid, please confirm the unit price form is used for a sov basis of payment and / or for adds and deducts. See item #4 above.

7. If this is a Lump sum project, please clarify if the unit price sheet is required to add up to our bid amount See item #4 above.

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 3 of 14

8. Was there an engineer’s estimate? Does engineer estimate include alternates? Yes, as stated in Part 1, Section 3, the engineers’ estimate is $1.4 million (page 6). Yes, the engineers estimate includes the alternates #1 and #2.

9. Is materials testing required?

Yes

10. Is contractor required to provide any testing? Contractor is required to hire a third party testing agency and coordinate and pay for all necessary materials testing on the project.

11. Please confirm who is to provide testing for the project. Numerous specifications indicate that the owner will provide testing and in the pre-bid meeting it was indicated that the contractor is to provide all testing. See item #10 above.

12. Please provide us with the Geotechnical report prepared by Arias Geo-professionals, Inc. Project #2016.812 dated March 1, 2017. The geotechnical report will be issued to the successful contractor after award.

13. Do you know what permits will be required? General construction permit for this project will be required. TxDOT permit shall also be required. See plan sheet C3 of 18 general notes.

14. Will contractor be required to pay for permits? The COSA general construction permit is paid by the River Authority as a pass-through price. If at time of construction start, the COSA general construction permit has not been paid, then contractor can pay and the River Authority will reimburse. Contractor is responsible for all other permits. TxDOT permit is paid for by contractor. TxDOT is evaluating whether a permit previously issued can be renewed or whether this project will require a new permit submittal. For bidding purposes, contractor to include permit cost for TxDOT. If TxDOT grants use of the existing permit, the cost of the TxDOT permit will be deducted from the total lump sum cost. Contractor will also be required to follow section 1576 on utilities permits.

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 4 of 14

So put zero dollars in bid? See #14 above.

15. Is contractor required to pay for any permits? See #14 above.

16. Our understanding is that all permits are paid by the River Authority. Should bid item #8 be deleted or allowance amount provided? See #14 above.

17. Can we get access to project site? On-site visit was March 2, 2020 at 9 am. Issued under addendum #1.

18. Is Presa TXDOT right of way? Yes

19. Any indication how closure would be phased from TXDOT for addition of two culverts? Contractor will be required to coordinate with the City of San Antonio (if necessary) and TxDOT for lane closures, barricading, etc.

20. Could you explain traffic control requirements at Presa St. culvert crossing? See #19 above.

21. Have you alerted the Texas Department of Transportation (TXDOT)? If yes, did they have comments? Yes, TXDOT has been contacted. See #14 above.

22. Will there be separate line item for traffic control while working in TXDOT right of way? No separate line item for traffic control while working in TxDOT R.O.W.

23. Will TXDOT require barrier and if so will they be source for barrier? Contractor will be required to follow TxDOT standards while working within S. Presa R.O.W. and will be responsible to coordinate with TxDOT for barrier information.

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 5 of 14

24. That shows concrete traffic barricade. See item #23 above.

25. Will TxDOT provide concrete barrier to the awarded contractor if necessary, for our traffic control detour at Presa Street for the box culvert installation? See item #23 above.

26. Can you add pictures in addendum? Yes. Please see Attachment 1

27. Would you consider bid item for flag men for UPPR? Will there be a bid allowance for that item? No separate bid item will be given for UPRR flagmen. Contractor will be expected to contact railroad for coordination of this item. See #29 and #31 below.

28. Would the River Authority consider adding a bid item or allowance for the $1500 per day flagman required at the railroad crossing? River Authority will not consider adding bid item or an allowance for flagmen. The UPRR flagmen cost can be obtained by contacting the UPRR point of contact located in #31 below.

29. Do you have info in specifications on who to contact for UPPR flag men? See information below regarding flagmen (excerpt from UPRR C&M agreement)

The rate of pay per hour for each flagman will be the prevailing hourly rate in effect for an eight-hour day for the class of flagmen used during regularly assigned hours and overtime in accordance with Labor Agreements and Schedules in effect at the time the work is performed. In addition to the cost of such labor, a composite charge for vacation, holiday, health and welfare, supplemental sickness, Railroad Retirement and unemployment compensation, supplemental pension, Employees Liability and Property Damage and Administration will be included, computed on actual payroll. The composite charge will be the prevailing composite charge in effect at the time the work is performed. One and one-half times the current hourly rate is paid for overtime, Saturdays and Sundays, and two and one half times current hourly rate for holidays. Wage rates are subject to change, at any time, by law or by agreement between Railroad and its employees, and may be retroactive as a result of negotiations or a ruling of an authorized governmental agency. Additional charges on labor are also subject to change.

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 6 of 14

30. Will you release UPPR anticipated cost? See item #28 above.

31. Do we have an executed right of entry with Union Pacific Railroad (UPPR)? If yes, can it be released? SARA has a fully executed Construction & Maintenance agreement with UPRR. The agreement will be issued to the successful contractor after award. Contact information for the UPRR is: Railroad Project Representative: Brandon Kasper – 832-312-1923. Railroad Flagging Services – 210-200-3621.

32. Please distribute the executed agreement between UPPR & the River Authority. See #31 above.

33. Will we have to have railroad protected insurance for that? Yes. Contractor is responsible to provide UPRR with proof of insurance for working in the UPRR R.O.W. prior to construction.

34. On other pictures as far as railroad, have you given a finished ceiling height? Sheet C5 of 18 identifies clearance beneath the bridge as 7.25’.

35. Will the project require the contractor to perform de-watering prior to construction? SARA crews have been working to correct the Acequia leak. SARA crews will be on site prior to construction to dewater the areas as a result of the Acequia leak in preparation for the construction. Contractor will need to follow specification 2150 to maintain dewatering after the initial Acequia work is corrected. Potential dewatering may also need to be performed by the contractor downstream of the Acequia, depending on recent rain events.

36. No additional coordination efforts will need to be done for dewatering? See #35 above.

37. Have you accounted for de-mucking? Yes

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 7 of 14

38. Is this property – who is the owner? Is any National Park Service (NPS)? National Park Service (NPS) owns property outside SARA property. NPS has been involved in past discussions regarding the Acequia, but has indicated they have limited resources for assistance. NPS will not be involved on this project. Contractor will not be required to contact NPS for this project.

39. Will rip rap jump on other side of road? There will be embankment modifications on all 4 sides of box culvert.

40. Will that have retention blankets below rip rap? Yes.

41. On one portion of dewatered area, will contractor carry burden for this during rain event? If there are any events, contractor will need to ensure that their equipment is out of flood plain. Contractor will be responsible to restore the project areas affected by flooding during construction. See specification 2150.

42. CO8 civil details – it lists a group of standard detail sheets – it looks like traffic control plan. It appears that it is being built half at a time with cast in place box culvert. TCP is located on Sheets C10 and C11. TCP on Sheet C10 indicates two separate lane closures to build each half of the box.

43. Who owns property on other side of fence? That is TxDOT right of way.

44. On portion of 8x9 culvert, that will cause redesign of railing system. Will engineer provide kips for bolt down that is require and will they give us design of guardrail and manufacturer of rail? Contractor shall follow TxDOT specifications and must use TxDOT approved manufacturers.

45. TXDOT 247 spec is 8 kips per bolt. See Item #46 below.

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 8 of 14

46. Will they provide us backup data on bolt and who holds the liability on installation of that if there is a failure? Even if pull test is done? Ultimately the Installer is responsible for any defective installation.

47. Is contractor required to install construction fence around the job site? Contractor is responsible to follow specification 1610 and sheet C3 of 18.

48. Are there any special considerations that need to be taken when working around the acequia? See item #35 above.

49. Is the shade structure provided by others? Shade structure material was provided under a separate contract and is in the possession of Brooks. Under alternate #1 if accepted, the contractor will be required to install the structure. Photos of the canopy are attached.

50. Please explain what is to be included in bid items 6 “Utilities” Contractor is requested to provide a lump sum amount for the utilities related to mobilization to include trailer utilities.

51. Bid item number 45 is in cubic yards – is it monolithic? Cast in place or pre-cast? Plan sheet C06 specifies cast in place box culvert.

52. Please clarify what bid item 70 “Crane Rental 1week” includes. Contractor shall be responsible to pay for crane rental for all items that require a crane. The item 70 “crane rental 1 week” is listed for contractor to provide cost for 1 week crane rental for unit pricing purposes.

53. Crane rental one week – can you explain that item? See item #52 above.

54. Are these items irrelevant if we have an add or deduct?

See item #4 above.

55. It doesn’t mean that it will be granted, just looked at? See item #4 above

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 9 of 14

56. Please clarify what bid items 21, 22, 23 and 25 are for and what they include.

Items 21, 22, 23, 25 are related to the trail construction.

57. Please clarify what is included in bid item 39 “flex Pavement Structure Repair” Item #39 Flex pavement repair is related to the reconstruction of pavement near the box culvert area on S. Presa.

58. Please clarify what bid item 49 “flex pavement repair – Culvert “ includes Item #49 is a duplication of item #39 and will be removed from the unit pricing sheet.

59. Should bid item 88 read 4000psi? Yes should read 4000 psi.

60. Methods of Payment – during the pre-bid meeting the River Authority stated that the project would be paid on a lump sum basis, yet Part I “Requirements for Responses” Sections 8 & 10 of the IFB Main Solicitation document seem to indicate differently. The last sentence of section 8 PRICING states “Where unit pricing, extended pricing and/or total pricing differ, unit pricing prevails.” The last sentence of Section 10 QUANTITIES states that “Payment to the awarded contractor will be made only for the actual quantities of work performed or materials furnished in accordance with the Contract, based upon the contracted unit price(s).” Please confirm if the project will be paid for by a lump sum contract amount or will be paid for by unit prices for the actual amount of work installed. Contractor shall submit a lump sum bid. The contract with SARA will be for the total amount of the contract. The unit pricing is intended to establish pricing for elements of work or materials. Also see #4 above.

61. Please confirm if the contractor may use River Authority property at no cost for a lay down yard for use during construction. SARA will make every attempt to allow contractor to utilize SARA property for staging. Typically, a right of entry agreement will be required to be signed with the contractor. If no SARA property is available for staging, contractor needs to secure a site near the project for staging and will be expected to execute a contract with the property owner for use of that site for the duration of the project.

62. Does the River Authority have a coatings spec that is to be used for the canopies? A coatings specification was not provided by the canopy designer. If this alternate is accepted by the owner, the contractor shall inspect the canopy after award and submit a

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 10 of 14

request for information on the required finish of the canopy. For bidding, the contractor shall include a $20,000 allowance to re-surface this item. This item will be added to the unit pricing sheet.

63. During the pre-bid meeting, the River Authority stated that they would do an initial dewatering of the site at the railroad bridge. Please confirm if the River Authority crews will maintain that dewatering system during construction should a flood event occur or water seepage into the site continues. See item #35 above.

64. Underground utilities are shown on the east side of the culverts. Please confirm that

the utilities are out of conflict with the finished work. If they are not, who’s responsibility is it to relocate the lines? Contractor shall be responsible to assure all utilities within the construction zone are located prior to construction. The River Authority assumes no liability for utility confirmation as utilities shown on plans are approximate. Depending on the utility located, the owner of the utility is usually responsible to relocate the line.

65. Is permanent casing in the drilled shafts going to be required by UPRR for the shafts within the “zone of influence” of the railroad bridge? Yes. Permanent casing will be required for shafts within the influence of track surcharge. (zone of influence). Refer to note number 10 on Sheet S3 of 8. Please see updated sheets S1 & S2 in Attachment 2.

66. Please provide pictures of the existing owner provided sunshade canopy for the alternate bid item. Will the contractor be responsible for repairing the coatings of the canopy prior to moving it from its current location? Please confirm the location of the owner provided canopy. Photos of the structure are attached. Canopy is in possession of the Brooks Development Authority. See item #62 above.

67. Per sheet S1 general notes, all structural steel is to be hot dipped galvanized after fabrication. Please confirm that the bridge is supposed to be hot dipped galvanized. If the bridge is not intended to be hot dipped galvanized, please confirm if the bridge is to be weathering steel or coated. Sheet S3 of the plans identify plan notes where the bridge is intended to be Wheeler bridge or Equal. Shop drawing submitted to Freese & Nichols in 10/2017 indicated bridge was to be weathering steel (ASTM A847 and A588).

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San Antonio River Authority IFB for Construction of Brooks Hike and Bike Trail Connection

IFB 163 – Addendum # 1 Page 11 of 14

68. Please confirm if the box culverts may be precast and will be per TxDOT standard specification Item 462. If not please provide a cast in place design for the new boxes. See item #51 above.

69. Please provide a detail how the new culverts will tie into the existing.

There is no connection between the existing culverts and the new. It will most likely be necessary to install flowable fill or cement treated sand between the new and existing structures. Cement treated sand would be acceptable backfill between the culverts. Please also detail how the face (upstream and downstream) of the culverts are to be completed. Face of Headwall as per TxDOT detail. Please also denote which bid items will be used to pay for the above. Included as item #47.

70. Please provide a detail for how the new metal beam guard fence is to be installed on top of the new and existing box culverts. The Contractor must match existing conditions and install the required guard beam per TxDOT details and regulations.

71. Is the contractor responsible for the design of the block retaining walls? Will engineered drawings be required for the construction of these walls? Trail retaining walls are cast in place concrete. See details sheets C10, C11.

72. Please confirm the plans have been reviewed by the City of San Antonio. Please confirm that the River Authority will cover the cost of all permits for the project and confirm how the River Authority will pay the contractor for all permits. Permit review is on-going at COSA. See items #14 and #15 above related to permits.

73. Please confirm when the date of the warranty bond starts. Is this the date of substantial completion when the owner and general public start using the trail or the date of final completion? Warranty bond(Maintenance Bond) can commence at the point of substantial completion.

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IFB 163 – Addendum # 1 Page 12 of 14

74. Specification section “01740 Guarantees and Warranties” subitem D states that the

“Contractor shall perform all roads and entrance reconstruction required and perform repairs and maintenance of same for a period of one (1) year from the date of such reconstruction”. Is this intended to mean that the contractor needs to maintain the roadway and area for one year after substantial completion? Is the contractor going to be required to repair areas that are damaged by flooding after substantial completion? See item #41. The intention of the project warranty is to have the contractor warranty the workmanship and materials for the specified period. Once substantial completion has been established, the warranty period can commence. If trails, roadways or materials are damaged as a result of a flooding event, this does not normally fall into a workmanship failure, therefore the contractor cannot be held liable for damages caused by flooding after substantial completion has been granted.

75. Please confirm the units for bid item #45 for box culvert. If this is precast, this should be in LF. If this is Cast in place, then it would be CY of concrete. See item #51 above.

76. Does the River Authority need an office on site for the project? The River Authority will require a project trailer site for this project.

77. PART II – TERMS AND CONDITIONS section 2 Warranties states that the “Responder shall warrant that any equipment furnished or work performed shall be free from defects in design, materials, workmanship…” and later “Responder agrees, upon notice from the River, to make good all defects in design…”. In two (2) places in this section it states that the respondent is responsible to warranty the design of the project. Is the contractor responsible to warranty the design of the project or is this an error? The intent of the wording mentioned above is that the contractor shall warrant that the contractor furnished equipment and the work performed to be free from defects in design, materials, workmanship…stating that the design being referenced is for supplied contractor items.

78. Item 13 – Scope is not delineated. Please provide scope limits and details. Scope of work is outlined in the plans. Culvert rip rap is being modified due to the addition of 2 box culverts.

79. Item 37 – Preliminary takeoff indicates a quantity significantly less than 900 CY. Please advise. Use 205 S.Y.

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IFB 163 – Addendum # 1 Page 13 of 14

80. Item 74 – Are all trees within the fenced in work areas to be protected? Preliminary

takeoff indicates a quantity significantly more than 25 each. Please advise. Trees identified to be preserved on sheet C2 shall be protected.

81. Item 87 – Scope is not delineated. Please provide scope limits and details. Item #87 is for the alternate #1 trail section from the main trail to the canopy pad.

82. Item 89 – Scope is not delineated. Please provide scope limits and details. Item #89 is duplicated and will be removed from Unit pricing sheet.

83. Item 90 – The limits of embankment are not detailed beyond Sheet C3 of 18. Please provide plan, profile and section. Limits of grading are indicated in sheet C2.

84. Sheets C10 and C11 do not show base beneath the concrete trail. Is base required? Please advise. Soil beneath the trail concrete flatwork is to be compacted as required. If during construction, the contractor identifies areas where compaction is problematic or unattainable, the contractor shall contact the River Authority and the geotechnical engineer for backfill recommendations to resolve the issue.

85. Sheet S8 of 8 shows bullrock at the termination of the concrete rip-rap. Is the cost of the bullrock to be ancillary to the concrete rip-rap bid item? Please advise. Yes.

86. Is the new trail supposed to sit on just prepped subgrade? There is no detail for select fill under the trail or retaining wall sections. See item #84 above.

87. Will there be any information available concerning UPRR, trains per day, speed, possible cargo, that will be useful for Rail-Road Insurance Policy acquisition?

Number of current regular trains is 6. Switching movements is 2. Maximum speed is 30 mph. Cargo information is not available at this time.

88. Please describe Bid Items 84 and 85 (Additive Alternate # 1). They don’t seem to show in the Additive Alt. area.

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IFB 163 – Addendum # 1 Page 14 of 14

Items 83, 84, 85, 90 placed into Acequia bridge structure category on unit price list. 89. Sheet C-3 notes ADA Accessible Picnic Table, trash can set and interpretive signage

in the Shade Structure Area with no corresponding Add. Alt. bid items. Please explain. Picnic table is already in possession of Brooks DA. Trash can set and interpretive signage are now listed with add alt. 1 unit pricing category.

90. Are any traffic lanes expected to be open during the asphalt road demolition and install of the new culverts or is it anticipated to close the whole road? It is expected that traffic remain open at all times, please reference the TCP on Sheet C10 and C11. If we keep some lanes open does that create a possible hazard for adverse weather and potential caving? Contractor shall use means and methods to ensure safety measures are in place at all times during construction and shall assume responsibility for project integrity for prevention of caving. Also see Item #90 above. Will the engineer allow the culverts to be separated by a joint in order to keep lanes operational? That would be acceptable.

91. Please address the pipeline west of the railroad bridge? The pipeline is being evaluated for ownership and content. Contractor is requested to bid project as designed on the plans.

92. Is there an engineer’s estimate or budget for this project? See Item #8 above.

93. Are certified payrolls required on this project? Payroll reporting shall conform to main solicitation and contractual document requirements.

94. Are Bidders required to be TXDOT Pre Certified? No.

Please acknowledge addendum on Attachment G of the solicitation document when submitting a response.

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IFB 00163 Addendum 2, Attachment 1

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IFB 00163 Addendum 2, Attachment 1

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IFB 00163 Addendum 2, Attachment 1

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IFB 00163 Addendum 2, Attachment 1

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IFB 00163 Addendum 2, Attachment 1

Page 20: ADDENDUM II SUBJECT: Invitation for Bids (IFB)#00163 ... · SUBJECT: Invitation for Bids (IFB)#00163, Construction of Brooks Hike and Bike Trail Connection Scheduled to Open: March

GENERAL STRUCTURAL NOTES:

GENERAL REQUIREMENTS:

1. THE GENERAL STRUCTURAL NOTES ARE INTENDED TO AUGMENT THE DRAWINGS ANDSPECIFICATIONS, SHOULD CONFLICTS EXIST BETWEEN THE DRAWINGS, SPECIFICATIONS ANDTHE STRUCTURAL NOTES. THE STRICTEST PROVISION SHALL GOVERN.

2. FOLLOW ALL APPLICABLE SAFETY CODES AND REGULATIONS DURING ALL PHASES OF CONSTRUCTION.

3. All CONDITIONS AND DIMENSIONS PERTAINING TO EXISTING UTILITIES AND CONSTRUCTION AT THE SITE, SHALL BE VERIFIED BY THE CONTRACTOR BEFORE PROCEEDING WITH THE WORK. THIS ASSESSMENT SHALL BE CONDUCTED SUFFICIENTLY IN ADVANCE OF ANY PHASE OF CONSTRUCTION, TO THE MAXIMUM EXTENT POSSIBLE TO AVOID DELAYS IN THE WORK.

4. ALL LOADS AND REACTIONS ON DRAWINGS AND IN THESE GENERAL STRUCTURAL NOTES ARE UNFACTORED SERVICE LOADS UNLESS OTHERWISE NOTED, LOAD CASES WHICH INCLUDE COMBINED LOADS SHALL BE CALCULATED IN ACCORDANCE WITH THE MUNICIPAL CODE OF SAN ANTONIO.

5. IN GENERAL, ALL SECTIONS AND DETAILS SHOWN ON THE PLANS ARE INTENDED TO APPLY TO SIMILAR CONDITIONS, UNLESS SPECIFICALLY NOTED.

6. REFER TO OTHER DISCIPLINES FOR EMBEDDED ITEMS NOT SHOWN THEREIN AND TO VERIFY SIZE AND LOCATION OF ALL OPENINGS.

CONCRETE REINFORCING:

1.

2.

3.

4.

REINFORCING STEEL SHALL BE DOMESTIC DEFORMED NEW BILLET STEEL BARS IN ACCORDANCE WITH A.S.T.M. SPECIFICATION A615 GRADE 60. WELDED SMOOTH WIRE FABRIC, ASTM A 185, YIELD STRENGTH, 65,000 PSI (FLAT SHEETS).

DETAILING AND FABRICATION OF REIN�L ANf SUPPORTS SHALL CONFORM TO ACI DETAILING MANUAL ACI 315 (SP-66) AN� ALL HOOKS AND BENDS IN REINFORCING BARS SHALL CONFORM TO ACI DETAILING STANDARDS UNLESS SHOWN OTHERWISE.

PROVIDE REINFORCING BARS IN ACCORDANCE WITH THE BAR BENDING DIAGRAM IF BAR TYPES ARE SPECIFIED, IN SLAB DETAIL REINFORCING AS FOLLOWS:

A PROVIDE STANDARD HOOKS IN TOP BARS AT CANTILEVER AND DISCONTINUOUS ENDS OF BEAMS, WALLS AND SLABS.

5. RIPRAP BOTTOM STEEL SHALL BE CHAIRED AT 5'-0" MAXIMUM CENTERS USING BEAM BOLSTERS PROVIDING 3" BOTTOM COVER TO REINFORCING STEEL. BEAM BOLSTERS USED SHALL BE INTENDED FOR SUPPORT IN SOIL.

6. THE WELDING OF REINFORCING STEEL WILL NOT BE PERMITTED.

7. HEAT SHALL NOT BE USED IN THE FABRICATION OR INSTALLATION OF REINFORCEMENT.

8. REINFORCING STEEL CLEAR COVER SHALL BE AS FOLLOWS. COVER IN MEMBER NOT SHOWN BELOW SHALL CONFORM TO THE REQUIREMENTS OF ACI 318 SECTION 7.7 UNLESS NOTED OTHERWISE ON DRAWINGS.

A DRILLED SHAFTS: 8. SLAB ON GRADE:

3" 3"

9. CONTRACTOR SHALL MAKE ALLOWANCE TO PROVIDE AND INSTALL 1/2 TON OF ADDITIONAL REINFORCING STEEL (SIZE TO RANGE FROM #4 TO #10) TO BE USED IN THE FIELD AS DIRECTED BY THE ENGINEER. ANY UNUSED PORTION OF THE QUANTITY SHALL BE CREDITED TO THE OWNER AT THE RA TE OF $2,000.00 PER TON. LABOR FOR PLACING REINFORCING SHALL BE INCLUDED IN UNIT COST. ALL ADDITIONAL REINFORCING STEEL LENGTHS, SIZES AND PLACEMENT LOCATIONS SHALL BE DOCUMENTED BY CONTRACTOR AND PROVIDED TO ENGINEER WITHIN SEVEN CALENDAR DAYS OF PLACEMENT.

10. WHERE NO REINFORCING IS INDICATED IN SLABS ON GRADE. PROVIDE #4 AT 12" ON CENTER, EACH WAY.

CONCRETE FORMWORK:

1. THE DESIGN, CONSTRUCTION, AND SAFETY OF ALL FORMWORK SHALL BE THE RESPONSIBILITY OF THE GENERAL CONTRACTOR, ALL FORMS, SHORES, BACKSHORES, FALSEWORK, BRACING, AND OTHER TEMPORARY SUPPORTS SHALL BE ENGINEERED TO SUPPORT ALL LOADS IMPOSED INCLUDING THE WET WEIGHT OF CONCRETE, CONSTRUCTION EQUIPMENT, LIVE LOADS, LATERAL LOADS DUE TO WIND AND WET UNBALANCED CONCRETE. THE CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR DETERMINING WHEN TEMPORARY SUPPORTS, SHORES, BACKSHORES, AND OTHER BRACING SHALL BE SAFELY REMOVED.

NO. REVISION DATE BY DESIGNED BY: J.O.J.

CAST-IN-PLACE CONCRETE:

1. REFERENCE STANDARDS: EXCEPT AS INDICATED; ALL CONCRETE WORK AND DETAILING, FABRICATION AND PLACING OF REINFORCING SHALL BE GOVERNED BY:

ACI 301, SPECIFICATIONS FOR STRUCTURAL CONCRETE FOR BUILDINGS, 2010. ACI 305.1, HOT WEATHER CONCRETING, 2006. ACI 306, COLD WEATHER CONCRETING, 2010.

��ETAILS AND DETAILING OF CONCRETE REINFORCEMENT, 1999. - �UILDING CODE REQUIREMENTS FOR STRUCTURAL CONCRETE, 2011.

2. CAST-IN-PLACE CONCRETE AT 28 DAYS OF AGE. MINIMUM STRENGTH SHALL BE AS FOLLOWS: SLAB-ON-GRADE and DRILLED SHAFTS - 4,000 P.S.I.

3. HORIZONTAL CONSTRUCTION JOINTS IN CONCRETE POURS SHALL NOT BE PERMITTED.

4. EMBEDDED CONDUITS, PIPES, AND SLEEVES SHALL MEET THE REQUIREMENTS OF ACI 318, SECTION 6.3, INCLUDING THE FOLLOWING:

A. CONDUITS AND PIPES EMBEDDED WITHIN A SLAB, WALL, OR BEAM (OTHER THAN THOSE PASSING THROUGH) SHALL NOT BE LARGER IN OUTSIDE DIMENSION THAN 1/3 THE OVERALL THICKNESS OF THE SLAB, WALL OR BEAM IN WHICH THEY ARE EMBEDDED.

B. CONDUITS, PIPES AND SLEEVES SHALL NOT BE SPACED CLOSER THAN THREE DIAMETERS.

C. EMBEDDED CONDUITS, PIPES AND SLEEVES SHALL BE OF UNCOATED OR GALVANIZED IRON OR STEEL NOT THINNER THAN STANDARD SCHEDULE 40 STEEL PIPE.

5. CONCRETE MIX DESIGNS MUST BE SUBMITTED A MINIMUM OF 15 DAYS PRIOR TO THE START OF THE WORK FOR ENGINEER AND OWNERS TESTING LABORATORY APPROVAL PRIOR TO PLACEMENT OF CONCRETE IN THE PLANT OR FIELD. ANY ADJUSTMENTS IN APPROVED MIX DESIGNS INCLUDING CHANGES IN ADMIXTURES MUST BE SUBMITTED IN WRITING TO THE ENGINEER AND OWNER'S TESTING LABORATORY FOR APPROVAL PRIOR TO USE IN THE FIELD.

6. ALL MAJOR DEFECTIVE AREAS IN CONCRETE INCLUDING HONEYCOMBS, CRACKS IN EXCESS OF 0.01", AND SPALL$ THAT OCCUR IN LOAD CARRYING MEMBERS VITAL TO STRUCTURAL INTEGRITY SHALL BE REPAIRED USING EPOXY ADHESIVE, EPOXY MORTAR AND/OR POLYMER CONCRETE. EXTENT AND DETERMINATION OF MAJOR DEFECTNE AREAS SHALL BE DETERMINED BY THE ENGINEER.

7. UNLESS SPECIFIED OTHERWISE, SLAB ON GRADE CONSTRUCTION SHALL FOLLOW THE RECOMMENDATIONS OF GUIDE FOR CONCRETE FLOOR AND SLAB CONSTRUCTION ACI 302.1R. LATEST EDITION.

8. WHERE ANY OPENING REQUIRED FOR THE WORK IS NOT INDICATED, OBTAIN APPROVAL FROMTHE ENGINEER OF RECORD BEFORE PROCEEDING WITH THE WORK.

9. PROVIDE 3/4" CHAMFER ON ALL EXPOSED EDGES OF CONCRETE EXCEPT AS INDICATED.

10. ALL CONCRETE USED ON THE PROJECT SHALL BE NORMAL WEIGHT.

:f,El��-S-U�DARDS:

M DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES, 2010.

2. LOADS:

3.

4.

5.

6.

DEAD LOADS: THE SELF WEIGHT OF EACH STRUCTURAL ELEMENT AND THE FOLLOWING LOADS

LIVE LOADS: � ROOF LIVE LOADS 20 PSF

WIND DESIGN CRITERIA: BASIC WIND SPEED V - 115 MPH WIND IMPORTANCE FACTOR LW - 1.0 WIND EXPOSURE FACTOR - C ENCLOSURE CLASSIFICATION - OPEN

SNOW LOADS: IMPORTANCE FACTOR Is - 1.00 GROUND SNOW LOAD. Pg - 5 PSF

SEISMIC DESIGN CRITERIA: SEISMIC IMPORTANCE FACTOR le - 1.0

CONNECTIONS FOR SUPPORTED EQUIPMENT. FACIAL AND OTHER NON-STRUCTURAL ITEMS SHALL BE DESIGNED TO ACCOUNT FOR UNEXPECTED ECCENTRICITIES IN THE LOADED PARTS AND RESULTING PRYING EFFECTS. CONNECTIONS WHICH RELY ON MULTIPLE FASTENERS AT ONE LOCATION SHALL TAKE INTO ACCOUNT THE STIFFNESS OF THE CONNECTED ELEMENTS AND THEIR ABILITY TO REDISTRIBUTE LOADS TO OTHER ANCHORS IN THE EVENT OF FASTENER YIELD OR SLIP.

7. ALL ANCHORS EMBEDDED IN CONCRETE SHALL BE PROPORTIONED TO EXCEED THE STRENGTH HARDWARE. ALL ANCHORS SHALL BE SHOWN TO BE IN COMPLIANCE WITH

ECHANICAL EXPANSION FASTENERS SHALL NOT BE USED IN THEY WILL SEE TENSILE LOADS. POWDER DRNEN ANCHORS SHALL NOT

BE USED IN CONCRETE.

STRUCTURAL STEEL NOTES:

1.

2.

3.

4.

5.

6.

7.

8.

9.

REFERENCE STANDARDS: EXCEPT AS INDICATED, ALL DESIGN, FABRICATION AND ERECTION OF STRUCTURAL STEEL SHALL BE GOVERNED BY:

AISC MANUAL OF STEEL CONSTRUCTION - 14TH EDITION 2011 AISC CODE OF STANDARD PRACTICE FOR STEEL BUILDINGS AND BRIDGES, 2010 AISC SEISMIC PROVISIONS FOR STRUCTURAL STEEL, 2010 AISC FCD QUALITY CERTIFICATION PROGRAM, 1995 AWS D1 .1, STRUCTURAL WELDING CODE - STEEL, 2010

MATERIALS: WIDE FLANGE SHAPES - ASTM A992, Fy = 50 KSI HOLLOW STRUCTURAL SECTIONS (HSS) RECT. - ASTM A500 GRADE B, Fy = 46 KSI ROUND (HSS) - ASTM A500 GRADE B, Fy = 42 KSI PIPE - ASTM A53 GRADE B, Fy = 36 KSI CHANNELS - ASTM A36, Fy = 36 KSI HIGH STRENGTH PLATES - ASTM A572, Fy = 50 KSI ANGLES, PLATES AND MISCELLANEOUS STEEL - ASTM A36, Fy = 36 KSI

WELDING ELECTRODES - AWS A5.1 OR A5.5 SERIES E70 HIGH STRENGTH BOLTS - ASTM A 325 ANCHOR BOLTS - ASTM F 1554 GRADE 36

PROVIDE CONNECTIONS FOR MEMBERS PER TYPICAL DETAILS AND LOCATIONS OF SPECIFIC SECTIONS.

WELDING SHALL BE PERFORMED ONLY BY OPERATORS QUALIFIED BY THE AWS STANDARD QUALIFICATION PROCEDURE TO PERFORM THE PARTICULAR TYPE OF WORK REQUIRED.

MINIMUM SIZE OF ALL FILLET WELDS SHALL CONFORM TO AISC SPECIFICATIONS, BUT SHALL BE 3/16" MINIMUM.

PAINT AND PROTECTION: TOUCH UP PAINT ON FASTENERS, WELDS AND ABRADED AREAS AFTER ERECTION. STEEL ITEMS EXPOSED TO WEATHER IN FINISHED STRUCTURE SHALL BE HOT-DIPPED GALVANIZED AFTER FABRICATION, UNLESS OTHERWISE NOTED. ALL WELDS PERFORMED ON GALVANIZED STEEL SHALL BE TOUCH UP PAINTED WITH A ZINC RICH COLD GALVANIZING

PRODUCT IN ACCORDANCE WITH ASTM A780. ALL FASTENERS USED IN EXTERIOR APPLICATIONS SHALL BE GALVANIZED.

HOLE SIZES IN BASE PLATES SHALL BE OVERSIZED BY 5/16 INCHES LARGER THAN ANCHOR BOLT SIZE

FABRICATE AND ASSEMBLE STRUCTURAL ASSEMBLIES IN SHOP TO GREATEST EXTENT POSSIBLE.

FABRICATE STRUCTURAL STEEL MEMBERS WITH NATURAL CAMBER UP EXCEPT AS INDICATED.

10. PUNCH, SUB-PUNCH AND REAM OR DRILL ALL BOLT HOLES. DO NOT USE A CUTTING TORCH TO ENLARGE BOLT HOLES. UNLESS APPROVAL IS OBTAINED FROM THE ENGINEER OF RECORD.

11. DIMENSIONAL TOLERANCES OF FABRICATED STRUCTURAL STEEL SHALL CONFORM TO SECTION 6.4 OF THE AISC CODE OF STANDARD PRACTICE UNLESS NOTED OTHERWISE.

12. ERECTION TOLERANCES OF ANCHOR BOLTS, EMBEDDED ITEMS AND STRUCTURAL STEEL UNLESS SPECIFIED OTHERWISE ON THE DRAWINGS SHALL CONFORM TO THE AISC CODE OF STANDARD PRACTICE.

13. SPLICING OR FIELD CUTTING OF STRUCTURAL STEEL MEMBERS IS PROHIBITED WITHOUT PRIOR APPROVAL OF THE ENGINEER AS TO LOCATION, AND TYPE OF SPLICE OR MODIFICATION TO BE MADE. ANY MEMBER HAVING SPLICE NOT SHOWN AND DETAILED ON SHOP DRAWINGS WILL BE REJECTED.

14. PRIME PAINT ALL STEEL UNLESS NOTED OTHERWISE.

15. ALL STEEL TO BE EMBEDDED IN CONCRETE AND NOT PERMANENTLY EXPOSED TO WEATHER SHALL BE UNPRIMED.

FOUNDATION NOTES:

1.

2.

3.

4.

5.

6.

7.

8.

FOUNDATIONS HAVE BEEN DESIGNED IN ACCORDANCE WITH THE RECOMMENDATIONS PROVIDED IN GEOTECHNICAL ENGINEERING STUDY PREPARED BY ARIAS GEOPROFESSIONALS INC. PROJECT NO. 2016-812, DATED MARCH 1, 2017.

PRIOR TO ANY EXCAVATION OPERATIONS, THE CONTRACTOR IS RESPONSIBLE FOR LOCATING ALL UNDERGROUND UTILmES OR OTHER SUBSURFACE STRUCTURES WITHIN THE AREA TO BE EXCAVATED.

THE ALLOWABLE SOIL BEARING PRESSURE FOR DRILLED SHAFTS BEARING 20-35 FEET BELOW GRADE IS 9,000 POUNDS PER SQUARE FOOT IN ACCORDANCE WITH THE RECOMMENDATIONS IN THE GEOTECHNICAL REPORT. THE ALLOWABLE SOIL BERING PREASURE FOR SHALLOW FOUNDATIONS IS 1,500 psf.

ALL EXCAVATIONS WITHIN 2 FEET OF EXISTING STRUCTURES TO REMAIN SHALL BE REMOVED BY HAND. THE CONTRACTOR IS SOLELY RESPONSIBLE FOR TAKING ADEQUATE PRECAUTIONS NOT TO DAMAGE THE EXISTING INFRASTRUCTURE DURING ALL EXCAVATION, FILL AND COMPACTION OPERATIONS.

IN TIGHTLY CONFINED AREAS. A LIGHTWEIGHT VIBRATORY SLED, WEIGHING BETWEEN 500 AND 2000 POUNDS MAY BE SUBSTITUTED FOR THE DRUM ROLLER COMPACTOR. THE DENSIFICATION REQUIREMENTS REMAIN THE SAME.

DENSITY TESTING SHALL BE CONDUCTED IN ACCORDANCE WITH THE SPECIFICATIONS.

PROOF ROLL IN ACCORDANCE WITH THE SPECIFICATIONS.

STORMWATER SHALL BE DIVERTED FROM OPEN EXCAVATIONS. MOISTURE CONTROL OF SOIL SHALL BE MAINTAINED PER GEOTECHNICAL RECOMMENDATIONS.

.. ······ ····

...

....................................... _ IME_OZUNA,. J

123130

Revision 1 2/25/20 JOJ DRAWN BY: PCX CHECKED BY: MRC

, ( �

STRUCTURAL ENGINEERING

� ASSOCIATES '=-ARCA.DIS ,t# .. I COYSULT/,\"G E,YG/NEERS

�.§" SAN ANTONIO RIVER AUTHORITY� 100 E. GUENTHER STREET

BROOKS CITY BASE CONNECTION

APPROVED BY: J.O.J. DATE: 11-13-19

S A N A N T O N I O P.O. BOX 839980 RIVER A UTI-IORITY SAN ANTONIO, TEXAS 78283-9980 GENERAL STRUCTURAL NOTES

SHEET

S1 of 8

IFB 00163 Addendum 2, Attachment 2

Page 21: ADDENDUM II SUBJECT: Invitation for Bids (IFB)#00163 ... · SUBJECT: Invitation for Bids (IFB)#00163, Construction of Brooks Hike and Bike Trail Connection Scheduled to Open: March

SPECIAL INSPECTION PROGRAM(') ESTABLISHED P�TER 17 1

SPECIAL INSPECTION WILL BE PROVIDED BY THE OWNER BASED ON THE REQUIREMENTS OF TH 2018 IBC S SUMMARIZED IN THE TABLE BELOW. THE CONTRACTOR SHALL PROVIDE SUFFICIENT NOTICE AND ACCESS FOR THE SPECIAL INSPECTOR TO PERFORM THESE INSPECTIONS.

ITEM

SOILS GRADING, EXCAVATION &FILL FINAL FOUNDATION PREPARATION

CONCRETE REINFORCING PLACEMENT MATERIAL VERIFICATION PREPARATION OF TEST SPECIMENS CONCRETE PLACEMENT CURING

CONT. (3)

X

X

PERODIC (3)

X

X

X

X

COMMENTS

GEOTECHNICAL ENGINEER GEOTECHNICAL ENGINEER

RECORD SLUMP, AIR CONTENT, & TEMPERATURE

BAR DESCRIPTION CONCRETE B AR SIZE -- #3 #4 #5 #6 #7 AND LOCATION IN STRENGTH B A B A B STRUCTURE psi LAP CLASS-- A A B A

BAR WITH 3,000 TOP 23" 30" 29" 38" 37" 49" 43" 56" 63" SPACING> 2 x db CLEAR COVER >dbOR BOTTOM 17" 23" 22" 29" 28" 37" 33" 43" 48"

BEAM AND COLUMN BARS WITH 4,000 TOP 20" 26" 25" 33" 32" 42" 3B" 50" 55" SPACING> d

CLEAR COVER � db BOTTOM 15" 20" 19" 25" 24" 32" 29" 40" 42"

3,000 TOP 35" 45" 44" 57" 56" 73" 65" 84" 95"

OTHER CASES BOTTOM 26" 34" 33" 43" 42" 55" 50" 65" 72"

4,000 TOP 30" 39" 38" 49" 48" 63" 57" 75" 83" BOTTOM 23" 30" 29" 38" 36" 47" 44" 57" 63"

NOTE:

1. USE THIS TABLE FOR BAR SPLICES UNLESS SPECIFICALLY DETAILED AND DIMENSIONED ON PLANS.

B

82"

63"

72" 55"

123" 94"

108" 82"

2. THIS SCHEDULE IS NOT APPLICABLE TO DUCTILE MOMENT FRAME MEMBERS RESISTING SEISMIC FORCES. 3. ALL SPLICES SHALL BE CLASS "B" UNLESS NOTED OTHERWISE ON PLANS. 4. TOP BARS ARE HORIZONTAL REINFORCEMENT WITH MORE THAN 12" OF CONCRETE CAST BELOW BAR.

#8 A B A

72" 94" 81" 55" 72" 62"

63" B2" 71" 48" 63" 54•

108" 141" 122" 83" 108" 93•

95" 123" 107" 72" 94" 81"

STRUCTURAL STEEL EMBEDDED PLATES X

5. BOTTOM BARS ARE VERTICAL BARS, ALL HORIZONTAL WALL REINFORCEMENT, AND HORIZONTAL REINFORCEMENT WITH LESS THAN 12" OF CONCRETE CAST BELOW BARS.

DETAIL CONFORMANCE X REF. NOTE 4 6. COVER DESIGNATES CLEAR CONCRETE COVER FROM SPLICED BAR TO FACE OF MEMBER, SPACING DESIGNATES CLEAR DIMENSION BETWEEN SPLICED BARS.

SHOP WELDING (2) 7. SHEAR WALLS WITH TWO CURTAINS OF REINFORCING SHALL NOT HAVE EACH CURTAIN OF HORIZONTAL BARS SPLICED

AT SAME LOCATION. SINGLE PASS FILLET WELDS 5/16" OR LESS FILLET WELDS GREATER THAN 5/16" X PARTIAUCOMPLETE PENETRATION WELDS X

X REF. NOTE 5 REF. NOTE 5 REF. NOTE 6

CD REINFORCING BAR SPLICE SCHEDULE

1/4" = 1'-0"

FIELD WELDING SINGLE PASS FILLET WELDS 5/16" OR LESS X REF. NOTE 5 FILLET WELDS GREATER THAN 5/16" X REF. NOTES PARTIAUCOMPLETE PENETRATION WELDS X REF. NOTES

PREFABRICATED CONSTRUCTION REF. NOTE 7

1. THE ITEMS CHECKED WITH AN "X" SHALL BE INSPECTED IN ACCORDANCE WITH IBC CHAPTER 17 BY A CERTIFIED SPECIAL INSPECTOR FROM AN ESTABLISHED TESTING AGENCY. FOR MATERIAL SAMPLING AND TESTING REQUIREMENTS, REFER TO THE PROJECT SPECIFICATIONS AND THE SPECIFIC GENERAL NOTES SECTIONS. THE TESTING AGENCY SHALL SEND COPIES OF ALL STRUCTURAL TESTING AND INSPECTION REPORTS DIRECTLY TO THE ARCHITECT, STRUCTURAL ENGINEER, CONTRACTOR AND BUILDING OFFICIAL. ANY MATERIALS WHICH FAIL TO MEET THE PROJECT SPECIFICATIONS SHALL IMMEDIATELY BE BROUGHT TO THE ATTENTION OF THE ENGINEER AND CONTRACTOR. SPECIAL INSPECTION TESTING REQUIREMENTS APPLY EQUALLY TO ALL BIDDER DESIGNED COMPONENTS.

� I� 2. SPECIAL INSPECTION IS NOT REQUIRED FOR WORK PERFORMED BY AN APPROVED FABRICATOR PE IBC SECTION 1704.2.5.1. 1 1 3. CONTINUOUS SPECIAL INSPECTION MEANS THAT THE SPECIAL INSPECTOR IS ON THE SITE AT ALL TIM RK REQUIRING SPECIAL INSPECTION (IBC CHAPTER 2). ERIODIC SPECIAL

INSPECTION MEANS THAT THE SPECIAL INSPECTOR IS ON SITE AT TIME INTERVALS NECESSARY TO CONFIRM THAT ALL WORK REQUIRING SPECIAL INSPECTION IS IN _ · 4. THE STEEL FRAME SHALL BE INSPECTED TO VERIFY COMPLIANCE WITH THE DETAILS SHOWN ON THE APPROVED CONSTRUCTION DOCUMENTS, SUCH AS BRACING, STIFFENING, MEMBER LOCATIONS

AND PROPER APPLICATION OF JOINT DETAILS AT EACH CONNECTION. 5. ALL WELDS SHALL BE VISUALLY INSPECTED. 6. ALL COMPLETE PENETRATION WELDS SHALL BE TESTED ULTRASONICALLY OR BY USE OF A COMPARABLE APPROVED METHOD. 7. INSPECTION FOR PREFABRICATED CONSTRUCTION SHALL BE THE SAME AS IF THE MATERIAL USED IN THE CONSTRUCTION TOOK PLACE ON SITE. CONTINUOUS INSPECTION WILL NOT BE REQUIRED

DURING PREFABRICATION IF THE APPROVED AGENCY CERTIFIES THE CONSTRUCTION AND FURNISHES EVIDENCE OF COMPLIANCE.

DRILLED PIER FOUDNATIONS: 1. THE FOUNDATION PIER DESIGN IS BASED ON THE GEOTECHNICAL ENGINEERING STUDY PREPARED BY ARIAS

GEOPROFFESIONALS INC., PROJECT NO. 201�12, DATED MARCH 1, 2017.

2. ALL PIER EXCAVATIONS SHALL BE INSPECTED BY THE GEOTECHNICAL ENGINEER OF RECORD PRIOR TO PLACING REINFORCING STEEL AND CONCRETE IN ORDER TO ASSURE THAT THE BEARING SURFACES ARE CONSISTENT WITH DESIGN RECOMMENDATIONS.

3. PROVIDE INSPECTING ENGINEER WITH AN ELECTRIC LIGHT AND PLUMB-BOB TO OBSERVE ALL PIER EXCAVATIONS.

4. ALL FOOTING EXCAVATIONS SHALL BE FREE OF WATER PRIOR TO PLACING CONCRETE.

5. FOOTING HOLES SHALL NOT BE LEFT OPEN OVERNIGHT (NO EXCEPTIONS).

6. PROVIDE STEEL CASIN, AS REQUIRED, TO PREVENT EXCAVATION SLOUGHING AND/OR SUB-SURFACE WATER SEEPAGE. STEEL CASING MAY BE REMOVED DURING CONCRETE PLACEMENT SEQUENCE PROVIDING THERE IS ENOUGH CONCRETE HEAD TO PREVENT SLOUGHING SOIL FROM PENETRATING INTO THE PIER AREA.

7. ANY CONSTRUCTION JOINT IN THE FOOTING PIER SHAFT MUST OCCUR AT LEAST 6 INCHES ABOVE GRADE ELEVATION.

8. CONCRETE PLACEMENT SHALL BE MADE WITH A TREMIE WITH AT LEAST A 6 FOOT HOSE OR METAL SNOUT.

9. VERTICAL PIER REINFORCING SHALL EXTEND TO WITHIN 3 INCHES OF THE FINISH FLOOR ELEVATION. FORMING FOR THE CONCRETE PIER EXTENSION ABOVE GRADE SHALL BE FORMED WITH SONOTUBE OF THE SAME DIAMETER AS THE PIER SHAFT.

METAL ROOF DECK: 1. FABRICATE PANELS TO COMPLY WITH "SDI SPECIFICATIONS AND COMMENTARY

FOR STEEL ROOF DECK".

2. ALL METAL ROOF DECK SHALL BE FURNISHED WITH A MINIMUM TWO SPAN CONDIDTION, UNLESS NOTED OR DETAILED OTHERWISE, AND SHALL BE GALVANIZED WITH A G-60 COATING. ROOF DECK SIZE IS NOTED ON THE PLANS AND SHALL CONFORM TO THE FOLLOWING MINIMUM SECTION PROPERTIES: A. 1 1/2", 20 GAGE, TYPE "B"

o I = .210 IN 4/FT o SP = .232 IN 3/FT o SN = .245 IN 3/FT o FY = 33,000 PSI

3. STEEL METAL ROOF DECKING SHALL BE ERECTED AND FASTENED TO ALL SUPORING MEMEBERS BY WELDING, USING THE FOLLOWING WELD PATTERNS AND SIDELAP FASTENERS: o 1 1/2" DECK - 36/7 WITH 6 #10 TEKS/SPAN

4. ALL WELDING SHALL BE PERFORMED BY QUALIFIED AND CERTIFIED OPERATORS FOLLWOING AWS DI. 3 SPECIFICATIONS.

�� h ';,,�J.¥ 4·o· � �ll.5" HOOK 90° HOOK

I BAR SIZE I D' I • PROVIDE 10db EXTENSIONS IN LIEU 1 #3 1 1 1/2"1 OF 6db AT ALL FRAME COLUMNS,

TYPICAL colliMNifAR

QEEill 1 #4 1 2" GIRDERS, SHEAR WALLS AND SHEAR I #5 I 2 1/2" WALL BOUNDARY MEMBERS.

TIES & STIRRUPS HOOKS ONLY 4db MIN.

II "D" .c z

ORIJr!-t-�, ] � �

pf"ii:o� HOOK T -go• HO� STANDARD HOOKS

I 30 DIA. IN CONCRETE I f-40 DIA IN MASONRY--

2'-0" MIN. U.N.O. TYPICAL COMPRESSION LAP SPLICE

L_BAR SIZE__l_D'__j 1#3 THRU #8�6d1 I #9 THRU #11 I 8d I I #14 THRU #18 I 10d I

NOTE: FOR TENSION SPLICE SEE 5/5502

@ REINFORCING BAR BENDING DETAIL

1/4" = 1'-0"

NO. REVISION DATE BY

&, Revision 1 2/25/20 JOJ DESIGNED BY: J.0.J DRAWN BY: PCX �� SAN ANTONIO RIVER AUTHORITY

� 100 E. GUENIHER STREIT

BROOKS CITY BASE CONNECTION

CHECKED BY: MRC APPROVED BY: J.O.J. DATE: 11-13-19

S ANANTONIO RIVER AU1HORITY

LHden In .,.t,e,r,.ti•d Solutions

P.O. BOX 839980 SAN ANTONIO, TEXAS 78283-9980

UPRR CROSSING - SPECIAL INSPECTION PROGRAM AND CONCRETE REINFORCING

DETAILS

#9 B

106" 81"

93" 71"

158" 121"

139" 106"

#10 A B

91" 119" 70" 91"

80" 104" 61" 80"

137" 178" 105" 137"

120" 156" 92" 119"

SHEET

S2 of 8

IFB 00163 Addendum 2, Attachment 2


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