TSC - Webex Meeting Ft. Bragg-Runway 05-23 Rehab.pptx
PPTX presentation 11 MB Posted
- Solicitation number
- W912HN20B3010
About this file
This document provides details for a federal contract solicitation to remove and replace existing electrical equipment including airfield lighting and airfield vault equipment and reconstruct Runway 05-23 at Pope Army Airfield in North Carolina. The solicitation was posted on August 28, 2020 under number W912HN20B3010 by the Department of the Army Corps of Engineers Engineering District Savannah. Bids are due by October 15, 2020 at 1:00pm Eastern Time. The solicitation package includes four drawings files, four specifications files, a construction entrance gate PDF, and a PowerPoint file. Any blacked out or unclickable file links have been replaced by updated files of the same name. Clickable blue links comprise the entire solicitation package as amended. The opportunity is for construction services and has a bid due date of October 15, 2020.
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Fort Bragg (Pope AAF), NC – Runway 05-23 Pavement and airfield lighting rehabilitation Matthew Hoyle Transportation Systems Center Date: 8 September 2020
Awareness of Airfield Pavement Construction Requirements
“The views, opinions and findings contained in this report are those of the authors(s) and should not be construed as an official Department of the Army position, policy or decision, unless so designated by other official documentation.”
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Introduction
Certifications/Validations
Materials
Mix Designs
Construction overview
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
UFGS 32 13 14.13 – Concrete Pavement for Airfields and Other Heavy Duty Pavements (08/19) Advertised documents:
UFGS 32 12 15.13 – Asphalt Paving for Airfields (11/17)
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
This presentation is not a substitute for the contract documents. Information presented does not alter or change the contract documents in any way. Presentation is merely intended to make bidders aware of key requirements of the pavement specifications.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Highlight specification requirements that may be overlooked during the bidding process
Obtain an understanding of project specification:
Materials quality and specialized testing requirements
Mix Designs
Personnel Qualification
Equipment Requirements objectives
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Using agency concerns United States Army United States Navy United States Air Force
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
-Why? Owner of the facilities; Contractors are only required a 1 year warranty unless otherwise agreed upon.
- Airfield pavement specifications are a Tri-Service effort
- Tri-services are annually evaluating improvements as determined by US Government and Industry representatives
What’s the Issue?
What are the impacts?
Early Age Pavement Issues
Segregation Joint Density Raveling Cracking (shrinkage, plastic) Surface Problems (Pop-outs, ASR, etc.)
Quality of Construction and Workmanship
Impact
Increased O&M Costs Changes to Mission and Airfield Operations Disruptions to accommodate repairs Closure of Taxiways and Runways Personnel and Aircraft Safety
Foreign Object Debris (FOD)
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Aircraft intake
Jet engines can ingest debris & fragments on pavement surfaces leading to engine damage and/or failure. Rotary wing aircraft can cause other safety concerns with nearby personnel and aircraft.
Construction of high quality, durable pavements cannot be over emphasized.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Joints
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Introduction
Certifications/Validations
Materials
Mix Designs
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Airfield PCC Paving Laboratory Requirements
Independent Onsite Laboratory
Shall meet requirements of ASTM D1077
USACE Validation by the Materials Testing Must be validated for all tests performed including ASTM, AASHTO, CRD-C, etc.
Validation includes parent and plant testing laboratory.
Validation must remain active throughout the duration of project
Laboratory may be at the plant or job site.
Shall meet requirements of ASTM D3666
USACE Validation by the Materials Testing Must be validated for all tests performed including ASTM, AASHTO, CRD-C, etc.
Validation includes parent and plant testing laboratory.
Validation must remain active throughout the duration of project
Airfield Asphalt Paving https://mtc.erdc.dren.mil/index.aspx See project specifications for additional requirements.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
USACE Materials Testing Center
Above is example only. Project may require more or less specific accreditations/validations.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
UFGS 32 13 14.13 & UFGS 32 12 15.13 Staff
CQC Manager per UFGS 01 45 00.00 10 Airfield Concrete CQC Manager 10 years airfield experience 3 years in supervisory role
ACI Transportation Inspector
Field & Laboratory Technicians (see next slide)
Equipment Representatives Batch Plant Manufacturer’s Representative Slipform Paving Equipment Manufacturer’s Representative Contractor quality control (CQC)
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Add CQC SLIDES
Airfield PCC Paving Personnel qualification/certifications
ACI Certified Field Testing Technicians – Grade I
ACI Certified Lab Testing Technicians, Grade I or II
ACI Certified Concrete Transportation Inspector
ACI Concrete Flatwork Technician/Finisher (Lead Foreman)
NRMCA Plant Manager/NRMCA Certificate of Conformance
Verify Certifications at:
https://www.concrete.org/certification/verifyacertification.aspx
Airfield Asphalt QC Manager
Airfield Asphalt Pavement Inspector
Airfield Asphalt Pavement Technician
Verify Certifications at:
http://airfieldasphaltcert.com/
Airfield Asphalt Paving Quality Control Staff may have stringent minimum qualifications.
See project specifications for additional personnel requirements.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Materials
Mix Designs
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Department of Defense Airfield Pavement Specifications Require Use of High Quality Aggregates Military airfield aggregate quality
Los Angeles Abrasion (Wear)
Soundness (Magnesium or Solidum Sulfate)
Flat and Elongated
Alkali Silica Reactivity
Deleterious Materials (Moderate or Severe Exposure)
Uncompacted Void Content (Fine Aggregate Angularity)
Clay Content (Sand Equivalent)
Fractured Faces
Natural Sand Content
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
UFGS 32 13 14.13
Concrete Paving for airfields and other heavy duty pavements Specification requires use of ASTM C33 size No. 4, No. 67, and fine aggregate. Intermediate aggregate is recommended.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
All Coarse and Fine Aggregates -Freeze Thaw Testing Required
- ASTM C 666 Procedure A
OR
Satisfactory Service Record Report -Qualified and Experienced P.E. or Petrographer in Concrete/Materials and Related Distresses -Three Concrete Pavement Projects -Minimum 5 years Service Life Durability of aggregate Durability Factor of 80 or more
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Clay Lumps and Friable Particles 0.2 Max.
Shale 0.1 Max.
Material Finer Than 0.075 mm (No. 200) 0.5 Max.
Lightweight Particles (2.0 Sp.G) 0.2 Max.
Clay Ironstone 0.1 Max.
Chert and Cherty Stone (<2.4 Sp.G) 0.1 Max.
Claystone, Mudstone, Siltstone 0.1 Max.
Shaly and Argillaceous Limestone 0.2 Max.
Other Soft Particles 1.0 Max.
Total of All Deleterious Materials Except Material Finer Than 0.075mm 1.0 Max.
COARSE AGGREGATES Severe Deleterious Materials - PCC
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Differences in UFGS and astm
| Coarse Aggregate | UFGS |
| ASTM |
| Clay Lumps and Friable Particles | 0.2 Max. | 3.0 Max. |
| Shale | 0.1 Max. | No requirement |
| Material Finer than 0.075mm (No. 200)* | 0.5 Max. | 1.0 Max. |
| Lightweight Particles (2.0 Sp. G) | 0.2 Max. | 0.5 Max. |
| Clay Ironstone | 0.1 Max. | No Requirement |
| Chert and Cherty Stone (<2.4 Sp. G) | 0.1 Max. | 5.0 Max. |
| Claystone, Mudstone, Siltstone | 0.1 Max. | 5.0 Max. |
| Shaly and Argillaceous Limestone | 0.2 Max. | No Requirement |
| Other Soft Particles | 1.0 Max. | No Requirement |
| Total of All Deleterious Materials (excluding material finer than 0.075mm) | 1.0 Max. | No Requirement |
Above table is only intended to display differences in material requirements for work performed under UFGS 32 13 14.13 Concrete Paving for Airfields and Other Heavy Duty Pavements and ASTM C33 which is commonly referenced in DOT applications. * See Notes in Contract
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
FINE AGGREGATES
Clay Lumps and Friable Particles 1.0 Max.
Material Finer Than 0.075 mm (No. 200) 3.0 Max.
Lightweight Particles (Medium Sp. G = 2.0) 0.5 Max.
Total of All Deleterious Materials 3.0 Max.
Deleterious Materials
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
ASR Testing
Test Individual Aggregates (Coarse and Fine) (C-1260)
Test Aggregate(s) with Expansions >0.08% Use ASTM C 1567, Project Cement & SCM or Lithium Nitrate
Length Change Determined Over a 28-day Period
If Test Fails- Reject Aggregate- Contractor to Submit New Source
Alkali-Silica Reactivity Testing Requirements
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
| Supplementary Cementitious Material | Minimum | |
| Content | Maximum |
Content Fly Ash Class F and Class N
| SiO2 + Al2O3 + Fe2O3 > 70% | 25% | 35% |
| SiO2 + Al2O3 + Fe2O3 > 80% | 20% | 35% |
| SiO2 + Al2O3 + Fe2O3 > 90% | 15% | 35% |
| UFFA and UFP | 7% | 16% |
| GGBF Slag Cement | 40% | 50% |
SCM Allowable dosage rates
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
UFGS 32 12 15.13
asphalt paving for airfields Gradation 2 (NMAS ¾ inch) for Binder Course on Shoulders Gradation 3 (NMAS ½ inch) for Surface Course on Shoulders Gradation 2 (NMAS ¾ inch) for Binder Course & Surface Course on Assault Strip (Option)
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Hoyle, Matthew M CIV USARMY CENWO (USA) (HMMCUC( [2]) - NMSA vs. NMAS - C125 COARSE AGGREGATES (retained on No. 4)
| LA Abrasion | <40% | ||
| Soundness | <12% Sodium Sulfate | ||
| <18% Magnesium Sulfate |
Clay Lumps and Friable Particles 0.3 Max.
Total of All Deleterious Materials 3.0 Max.
| Fractured Faces | 75% by weight (2+) | |
| Flat and Elongated (3:1) | < / = 20% |
Aggregate Quality
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Fractured faces is at least 2 or more.
FINE AGGREGATES (passing No. 4 and retained on No. 200)
| Natural Sand | < 15% | |
| Sand Equivalent | > 45 | |
| Uncompacted Void Content | > 45 |
Clay Lumps and Friable Particles 0.3 Max.
| Fractured Faces | 75% by weight (2+) | |
| Flat and Elongated (3:1) | < / = 20% |
Mineral Filler (passing No. 200)
Non-Plastic meeting requirements of ASTM D242/D242M Aggregate Quality
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Fractured faces is at least 2 or more.
Asphalt Cement Binder
PG 64-22
Binder and surface course mixes on airfield shoulders
PG 76-22
Binder and surface courses utilized on assault strip (Option) For modified binders, perform PG Plus test requirements per ASTM D6084 Procedure B on RTFO aged binder Provide minimum elastic recovery of 75
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Introduction
Certifications/Validations
Materials
Mix Designs
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Multiple concrete mix designs MAY be required due to project timeline. Different material sources should be considered due to material source availability, placement technique (e.g. fixed form, hand placement), etc.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Placement methods Material source changes
See project specification for other mix design requirements UFGS 32 13 14.13 Mix designs
Accredited/Validated Laboratory: Meeting ASTM C1077
Three different water/cement ratios REQUIRED for EACH mix Proportioning Study Maximum w/c ratio = 0.45 Minimum w/c ratio = 0.37
Follow methodology for trial mixtures as described in ACI 211.1 & ACI 325.14R
Use TSPWG M 3-250-04.97-05 for Proportioning Concrete Mixtures with Graded Aggregates for Rigid Airfield Pavements
Proportion Test Batches at Maximum Allowable Air Content and Maximum Allowable Slump
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
See project specification for other mix design requirements UFGS 32 12 15.13 Mix designs
Accredited/Validated Laboratory: Meeting ASTM C3666
Follow guidance in Asphalt Institute MS-2 (7th Edition or current)
Follow ASTM in lieu of AASHTO unless otherwise specified
Target 4% laboratory air voids
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Shoulder Pavements 50 Gyrations
Assault Strip (Option) 75 Gyrations Asphalt Laboratory Compaction 600 kPa
1.16
See project specification for other mix design requirements
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Materials
Mix Designs
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Concrete Batch Plant
Multiple On-site Plants may be required
Plant(s) must be minimum of 250 yd3/hr
Paver-Finisher
Minimum weight of 2200 lb/ft of lane width
Electronic Vibrator Monitoring Device
Alternate methods *may* be acceptable for isolated, irregular, odd-shaped slaps Concrete production
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Transfer Spreader
Deposits concrete evenly in front of paver
Operates outside paving lane(s).
Curing
Spraying machine shall be self-propelled and span paving lane
Two-coat Application: 400 sq. ft/gal
One-coat Application: 200 sq. ft/gal
Concrete production
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Pavement Characteristics
Surface Smoothness
Grade
Thickness
Edge Slump
Joint Face Deformation
Strength
Surface – Free of Irregularities, Tears, Voids, Continuities
Concrete Acceptance
Pay Adjustments
No Pay Adjustment (Meet Specification)
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Asphalt Plant
Meets requirements of AASHTO M 156
Storage Silos: 3 hours for non-insulated 8 hours for insulated
Material Transfer Vehicle
Required for asphalt pavement
Self propelled; operated outside paving lane Asphalt production
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Longitudinal
Cut back if irregular, damaged, uncompacted, cold (less than 175°F)
Asphalt – Concrete Interface
Place high (greater than 1/8” – less than 1/4”)
Compact with Steel Wheel and Rubber tire
Diamond grind asphalt so less than 1/8”
Joints
Note: Contractors to review overlap & set-back requirements for longitudinal and transverse joints.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Pavement Characteristics
In-Place Density Mat Density Joint Density
Laboratory Air Voids
Smoothness
Plan Grade
Asphalt Acceptance
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
Again, the information and views presented in this workshop are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
THANK YOU FOR YOUR ATTENDANCE
All questions should be directed to ProjNet
The information and views presented in this presentation are strictly meant for informational purposes only and do not represent official direction by the U.S. Government or legal advice. Please refer to the specific detailed requirements for your project in the applicable Contract documents.
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