Apndx-B (A10) Foundations r5.pdf

This document includes information that shall not be disclosed outside the Government and shall not be duplicated, used or

Disclosed ‐in whole or in part‐ for any other purpose than the United States Air Force Built Infrastructure Assessment Program.

USAF Built Infrastructure Inventory and Assessments

Manual

Appendix for Foundations (A10)

July 2020

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Table of Contents I. Overview

A. A10 Foundations Description

1. UNIFORMAT II definition

2. Major components

3. Lifecycle characteristics

II. Inventory

A. General A10 Inventory Guidance

B. Inventory A1010 Standard Foundations

C. Inventory A1020 Special Foundations

D. Inventory A1030 Slab on Grade

III. Assessment

A. General A10 Assessment Guidance

B. Assessment A1010 Standard Foundations

C. Assessment A1020 Special Foundations

D. Assessment A1030 Slab on Grade

IV. Inventory and Assessment Rules of Thumb

A. Assessor Qualifications

B. Year Installed

C. Inventory/Assessment

V. Inventory / Assessment Data Collection Sheet

VI. A10 UNIFORMAT II Minimum Component Reference Table

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I. Overview This manual covers the inventory and assessment process for building “Foundations (A10)” system and components. This is an abbreviated manual and does not contain the same level of detail found in expanded manuals. Please see the SMS Playbook for additional information including:

• BUILDERTM Sustainment Management System Concepts

• Overview of ASTM E 1557 UNIFORMAT II Standard Classification for BUILDERTM

• BUILDERTM Inventory Overview

• BUILDERTM Assessment Overview

• BUILDERTM Remote Entry Database (BREDTM)

• Working with Web‐Based BUILDERTM

• Quality Assurance

• Site Visit Preparation and Execution

• Site Visit Safety

A. A10 Foundations Description

1. UNIFORMAT II definition

• Building foundations are structural components supporting other building structural components such as slabs, columns and walls. Foundations will be near or below grade.

2. Major components

• Standard Foundations (A1010) – Includes spread and strip footings supporting the building structure.

• Special Foundations (A1020) – Includes piers, piles and buttresses supporting the building structure. Special foundations are typically found on larger buildings or where soil conditions are not favorable such as coastal areas. A special foundation is used for aircraft arresting system anchorages.

• Slab on Grade (A1030) – The slab on grade (SOG) may also assist in supporting the building structure when designed for foundation support often with a “turn down” footing typically found in smaller structures. The SOG may also serve as the interior finished floor surface when not covered, such as in a warehouse, or provides substrate for floor finishes (ceramic tile, wood, carpet). SOG also includes structural slabs or pads for support of equipment or monuments.

3. Life Cycle characteristics

• Foundations are classified as very long‐lived structural building components. Foundations show slow rates of deterioration.

II. Inventory A. General A10 Inventory Guidance

This section presents common UNIFORMAT II A10 Foundations Inventory Component Sections found

4 | P a g e across USAF installations as a guide for entering into the BUILDERTM SMS or BREDTM software. Inventory items are arranged by BUILDERTM SMS system with Material Category, Component Subtype, Quantity and Inventory Notes. Section VI (A10 UNIFORMAT II Minimum Component Reference Table) provides a complete listing of the minimum components inventoried and assessed for A10. Bases may elect to inventory and assess additional components.

NOTE for the A10 system: Only Missile Alert Facility (MAF) Missile Operations Buildings (MOBs) Launch Facility (LF) Launch Support Building (usually referred to as Electric Power Station Building) underground structures, and slab on grade foundations for Munitions Storage facilities (including attached loading docks), Equipment or Support Pads, and Aircraft Arresting System Support anchorages are required MINIMUM systems to be inventoried and assessed in BUILDERTM SMS for the USAF. Inventorying and assessing visible hangar, warehouse, and other slabs on grade are recommended. Bases may elect to inventory and assess other foundation component sections. A10 Inventory and assessment is required by the current AFCAMP Playbook (Business Rules) as project support documentation for consideration in the project prioritization process for components included in the project Statement of Work.

Component Subtypes General, Other and Unknown require a Section Name and Inventory Comments, if required, to further identify and describe the Component Sections. Include additional information in Inventory Comments if required to further describe the Component Sections.

It is critical to confirm the year installed (default from Real Property Assets Database (RPAD)) or estimate the year installed. BUILDERTM SMS uses the Install Date, life cycle degradation curves and assessment observations to establish Condition Index (CI) for each Component Section. If the assessor suspects the RPAD default date is not accurate or an addition or renovation has taken place, check the RPAD record for year renovated or check local as‐built or renovation drawings to help determine the year installed.

Estimated Install Dates decrease the Expected Service Life significantly. Every effort should be made to establish an Install Date and avoid the use of estimated.

If this is an initial assessment and no foundation inventory has previously been entered into BUILDERTM

SMS, an inventory is required. When foundations are not visible, as‐built drawings should be used to identify and quantify the foundation component sections. If as‐built drawings are not available, the assessor should use p rofessional judgement as to foundation types and quantities, based on similar construction of nearby buildings, consultation with local staff and other resources such as www.inspectapedia.com.

B. Inventory A1010 Standard Foundations Typical inventory at USAF bases includes the following Component Subtypes:

• Wall Foundations SF

• Column Foundations & Pile Caps EA http://www.inspectapedia.com/

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C. Inventory A1020 Special Foundations Typical inventory at USAF bases includes the following Component Subtypes:

• Drilled Caissons CY

• Pile Foundations LF

• Aircraft Arresting System Support EA

D. Inventory A1030 Slab on Grade Typical inventory at USAF bases includes:

• Slab on Grade (SOG) SF

Equipment or Support Pads CATCODE 132133 should be inventoried as A103090 Other Slab on Grade – General.

Equipment or Support Pads more structural in nature should be entered as A103002 Structural Slab on Grade ‐ General. This would include SOG support foundations for CATCODE 890154 Gantry/Bridge Crain supports, CATCODE 116401 Precision Support Radar pads, CATCODE 116665 Power Check w/Suppressor pads, CATCODE 211193 Test Stand pads, CATCODE 872845 Security Guard Tower foundations, and CATCODE 750371 Recreational Pavilion foundations

Standard Foundations A1010 Inventory Hints

• Material is almost always concrete.

• Quantity is total of all footings for the entire building.

• Inventory Comments should be recorded to clarify component description if Section Name is insufficient.

• If foundations are not visible, an Inspection Comment must be provided.

Special Foundations A1020 Inventory Hints

• Material is almost always concrete.

• Pile Foundations are typically concrete or steel.

• Quantity is total of all footings for the entire facility.

• Inventory Comments should be recorded to clarify Component Section description if Section Name is insufficient.

• If a foundation is not visible, an Inspection Comment must be provided.

• Aircraft Arresting System Support (anchorages) CATCODE 116922 should be inventoried as A102090 Other Special Foundations, General.

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III. Assessment A. General A10 Assessment Guidance

Foundation component sections are assessed using Direct Condition Rating (DCR). Much of the time foundations are not visible. When component sections are not visible or are not readily accessible, assessment is based on operability or serviceability (work history).

When foundation Component Sections are visible, they should be assessed.

Note: If no assessment is entered into BUILDERTM SMS, the install date as the initial assessment is considered as the latest assessment and assessment currency is calculated from this date. Currently, System A10 is not considered in the determination of assessment currency for any respective facility except those listed in the Section II Inventory A1020 and A1030 Hints above.

Under no circumstances should age be factored into a DCR or Distress Survey assessment. Ratings are based on condition, operability and/or serviceability (work history) only. BUILDERTM SMS already factors in the age from the Install Date when BUILDERTM calculates Condition Index (CI).

The following conditions or events can accelerate deterioration:

• Improper construction or installation

• Settlement or subsidence

• Material damage

• Flooding

• Earthquake

Slab on Grade A1030 Inventory Hints

• As a business rule to simplify data entry for USAF bases, a SOG is always entered under inventory item A1030 whether the SOG provides a foundation or not. SOG is not entered under B1010 Floor Construction.

• Inventory Comments should be recorded to clarify Component Section description if Section Name is insufficient.

1 . Material Category: A103002 Structural Slab on Grade

Component Subtype: General

: SF Year Built/Renewed: RPAD

Painted/Coated: Yes/No

Year Painted/Coated: Normally Estimated

Paint/Coating Type: Best Guess

Inventory Notes:

• Structural SOG Loading Dock

• Slab continues inside

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• Landslide

• Soil erosion

• Moisture infiltration

The assessor may observe conditions in the visible foundation major components such as cracking, displacement or other damage. These conditions may also be visible in interior or exterior walls and the floor. In these cases the assessor shall evaluate the impact of observations and use judgment to provide a DCR using the DCR chart below.

The assessor must provide an Inspection Comment for any Amber+ or lower DCR or BUILDERTM calculated Distress Survey rating. Unless the condition is based on serviceability, compliance, or a condition that cannot be visually documented, photograph documentation is highly recommended to be attached to the assessment.

When there is visible deterioration or defects of a system/component, a picture provides a lot of value.

When accomplishing the 5‐year reassessment, especially when it is a different assessor, the assessor can compare the then to now. Even if it is the same assessor sees a particular asset frequently (possibly yearly during annual PM), the assessor may not notice the gradual degradation so a picture provides great value. Please consult local ISSO for correct procedures on taking pictures, reviewing picture content and transferring data to AFNET to ensure INFOSEC, COMSEC, OPSEC compliance.

Following the BUILDERTM SMS assessment, the assessor should inform the facility manager of any new issues discovered.

DIRECT CONDITION RATING MATRIX

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NOTE: Text in Red is provided as guidance for components’ typical life cycle, and should be adjusted as needed to accommodate specific field conditions present.

Direct Condition Rating (DCR) Definitions

Rating Observation Green (+)

Fully Operational ‐ Free of Known or Observable Defects Keep doing PM required to maintain warranty ‐ no action required

Green Fully Operational ‐ Slight Deterioration or Minimal wear Keep doing PM ‐ no action required

Green (‐) Fully Operational – Normal wear and/or serviceability defects Keep doing PM ‐ need to start planning for rehabilitation

Amber (+) Reduced Operation – Minor wear and/or serviceability defects Repairs or replacement can be planned if good return on investment; within the FYDP. (Investment of resources could extend life)

Amber Reduced Operation – Moderate wear and/or serviceability defects Repairs or replacement can be planned if good return on investment; within the FYDP (Investment of resources could extend life).

Amber (‐) Reduced Operation – Significant wear and/or serviceability defects Repairs or replacement can be planned if good return on investment; within the FYDP (Investment of resources could extend life).

Red (+) Loss of Operation – Moderate wear and/or serviceability failure Repairs or replacement must be planned within the short term (High risk to Mission ‐Run to failure ‐further investment unwise)

Red Repairs or replacement must be planned within one year (High risk to Mission ‐ Run to failure ‐further investment unwise)

Red (‐) Loss of Operation – Complete wear and/or serviceability failure Repair or Replacement needs to be planned immediately

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Below are assessment hint questions to help the assessor determine the most appropriate DCR.

B. Assessment A1010 Standard Foundations

Standard Foundations are mostly below‐grade and usually not visible. No inventory or assessment need be entered unless the assessor observes distresses noted above or has access to an engineering report allowing the condition to be rated in BUILDERTM. If entered into inventory without an entered assessment, the computed condition projections will be Age‐Based and the most recent inspection the install date. The Age‐Based assessments will not meet re‐assessment currency requirements.

Examples of typical Standard Foundation distresses or conditions include:

A10 Assessment Hint Questions

• What is the service/repair history of the component?

• What distresses or problems are observed?

• What is the quantity and severity of the distresses?

Based on the above:

• If assessment rating is Amber + or below, enter an Inspection Comment to describe the reason. Unless the condition is based on serviceability, compliance, or condition cannot be visually documented, photograph documentation is highly recommended to be attached to the assessment.

• An Inspection Comment should also be entered regardless of rating if a significant localized issue needs to be highlighted which may not necessarily impact the overall Component Section DCR.

• If foundations are not visible an Inspection Comment must be provided.

1. Typical Distress: Cracked Foundation Wall

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3. Typical Distress: Crumbling Foundation Wall and Exposed Rebar

2. Typical Distress: Cracked Foundation

4. Typical Distress: Foundation Cracks & Spalls

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C. Assessment A1020 Special Foundations Special Foundations will normally not be visible with the exception of pile caps or piers in a space below floor level and Aircraft arresting system support anchorages. No inventory or assessment will normally be entered unless the assessor can observe some portion of the Special Foundation, observe distresses noted above ground level, or has access to an engineering report. If entered into inventory without an entered assessment, the computed condition projections will be Age‐Based and the most recent inspection the install date. The Age‐Based assessments will not meet re‐assessment currency requirements.

D. Assessment A1030 Slab on Grade

SOG’s will normally not be visible if a floor finish has been applied. Examples of visible SOGs include Hangars, Warehouses and Maintenance Shops and it is recommended these be inventoried and assessed. No inventory or assessment will normally be entered on covered SOG’s. If entered into inventory without an entered assessment, the computed condition projections will be Age‐Based and the most recent inspection the install date. The Age‐Based assessments will not meet re‐assessment currency requirements. Visible SOG’s will be assessed as described in paragraph III. A., above.

5. Typical Distress: Foundation Cracks

6. Typical Distress: Spalling Concrete Foundation

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Equipment or Support Pads CATCODE 132133 inventoried as A103090 Other Slab on Grade unless a section is obviously known to be in Red condition, assess the entire facility number as Green‐.

Examples of typical SOG distresses or conditions include:

IV. Inventory and Assessment Rules of Thumb

1. Typical Distress: Cracked Slab‐on‐Grade

2. Typical Distress: Cracked Slab‐on‐Grade

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A. Assessor Qualifications

• The architectural/structural assessor should have a combination of 8+ years of general building construction, facilities maintenance and planning/estimating experience related to building foundations, structure, enclosure and interior construction or be equivalent to a Journeyman, a V Level Technician, an Architect or a Civil Engineer. The assessor should have a working knowledge of the ASTM E 1557 Standard Classification for Building Elements UNIFORMAT II and a basic understanding of other building systems such as HVAC, Plumbing, Fire Protection and Electrical. The assessor should be able to identify common building materials, techniques and structural/architectural system types/elements, be proficient at reading drawings and engineering reports and have experience identifying common problems related to architectural/structural systems. The lead architectural/structural assessor may be supported by less experienced staff during the inventory and assessment.

B. Year Installed

• In some cases foundation sections may be replaced as an individual repair or partial replacement. These areas would have a different age. The RPAD construction and renovation dates should be confirmed. If they are not appropriate, the foundations age must be estimated. The building occupants or other facilities staff may be able to provide some information.

• If construction drawings or as‐builts are available, look for date published to assist with determining age of materials.

• Additions, new wings or major renovations likely require identifying separate foundation component sections with a different age.

• In the case of foundations, the assessor must use judgment in sectioning foundations in the manner they are generally managed. If there are new foundations, a separate section for a single new foundation is not necessary.

However, if there are two major types or ages of foundations, then separate sectioning is required.

C. Inventory/Assessment

• If as‐builts can be located, they should indicate foundation type, material, and quantity.

V. Inventory / Assessment Data Collection Sheet Construction drawings, floor plans, or digital device are commonly used. Use whatever collection method works best for the individual assessor/organization.

VI. A10 UNIFORMAT II Minimum Component Reference Table The following table provides SMS MINIMUM inventory and condition assessment requirements. The table effectively provides a list of WHAT will be inventoried, WHERE within the SMS the component inventory will reside and HOW a component is to be condition assessed. The structure of the list is within UNIFORMAT II to be consistent with BUILDERTM SMS. Currently all components are DCR

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PM Inspection/Testing Directive column gives information on any Air Force applicable publication providing Preventative Maintenance (PM) actions that, once conducted, may provide information that may be used to determine a component's DCR assessment. PMTLs or other inspections may be considered a Distress Survey type assessment in the future for some components.

Condition assessment frequency is not to exceed 5 years. Condition assessments conducted as part of a PMTL may be entered into SMS but should not be more often than an annual assessment.

AMP reflects the AMP to which the component is assigned:

T: Transportation Networks and Pavements AMP

F: Facilities AMP