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500.0 Purpose

500.1 Abbreviations

500.2 Policy

Part 501 – Authorizations

Subpart A – Review and Approval

501.0 General

501.1 Scope

501.2 Technical Quality

501.3 Compliance of Engineering Work With Laws and Regulations

501.4 Engineering Job Approval Authority

501.5 Engineering Job Review

501.6 Engineering Work Reviewed for Other Agencies

501.7 Classification of Engineering Jobs

501.8 Engineering Job Classifications That Utilize Controlling Factors

501.9 Engineering Job Approval Authority

Subpart B – Repair and Rehabilitation

501.20 General

501.21 Scope

501.22 Applicable Standards

501.23 Dams Installed Without NRCS Assistance

501.24 Special Conditions

Subpart C – Variance and Changes

501.30 General

501.31 National Handbook of Conservation Practices

501.32 Channel Stability Criteria

Subpart D – Engineering Work on National Forests

501.40 General

Subpart E – Assistance of Shoreline Erosion Control

501.50 General

501.51 Scope

501.52 Coordination with U.S. Army Corps of Engineers (USACE)

501.53 Requirements for Assistance

Part 503 – Safety

Subpart A – Engineering Activities Affecting Utilities

503.0 General

503.1 Scope

503.2 General Considerations

503.3 Investigations

503.4 Buried Utilities

503.5 Documentation

503.6 State Laws

Subpart B – Public Safety at Structure Sites

503.10 General

503.11 Scope

503.12 Recommended Safety Measures

503.13 Maintenance of Steep Slopes

Subpart C – Safety During Geologic Investigations

503.20 General

503.21 Scope

503.22 Hazard Potential

Subpart D – Dam Safety

503.50 Involvement With Dams

503.51 USDA Involvement

503.52 NRCS Dam Safety Officer

503.53 Interagency Involvement

503.54 Other (Nongovernmental) Involvement

503.55 NRCS-State Relationships

503.56 Responsibility for Dams

503.57 NRCS Assistance

503.58 Key Factors

503.59 Assistance to State Dams Safety Programs

503.60 Department of Homeland Security

503.61 DamWatch

Subpart E – Prohibited Technical Assistance

503.70 General

503.71 Prohibited Activities

Part 504 – Special Investigations, Studies, and Reports

Subpart A – Problems and Deficiencies

504.0 General

504.1 Scope

504.2 Reporting Problems, Deficiencies, and Failures

504.3 Committee Assignments

504.4 Procedures

504.5 Engineering Report

504.6 Report Review and Acceptance

504.7 Release and Distribution of Reports

Subpart B – Emergency Spillway Performance

504.10 General

504.11 Scope

504.12 Reporting Major Flows

504.13 Assignments

504.14 Procedures

504.15 Report

504.16 Review and Approval

Subpart C – Reservoir Sedimentation Surveys

504.20 General

504.21 Procedures

504.22 Reports

Subpart D – Field Trials and Evaluations

504.30 General

504.31 Scope

504.32 Approval Procedures

504.33 Study Plan

504.34 Reports

Part 505 – Non-NRCS Engineering Services

Subpart A – Introduction

505.0 General

Subpart B – Procedures

505.10 Technical Service Providers

505.11 Non-TSP Providers

505.12 Conservation Contractors

505.13 Engineering Services Contracts and Agreements

505.14 Exchange of Technical Services Between Government Agencies

505.15 Standard Designs and Drawings

505.16 Engineering Services Not Provided by NRCS

Subpart C – Exhibits

505.20 Conservation Contractor Sample Letter

Part 506 – Technical Materials

506.0 General

506.1 Definitions

506.2 Organization of Permanent Materials

506.3 Reserved

506.4 Developing NEH Materials

506.5 Distribution of Engineering Technical Materials Within NRCS

506.6 Distribution of Engineering Technical Materials Outside NRCS

Part 510 – Planning

510.0 General

510.1 Scope

510.2 Documentation

510.3 Engineering Data to Support Plans

510.4 Criteria

510.5 Cost Estimates

510.6 Postdesign Life Considerations

Part 511 – Design

Subpart A – Procedures

511.0 General

511.1 Scope

511.2 Design Stages

511.3 Operating Procedures

511.4 Design Analysis

511.5 Design Checking and Review

511.6 External Reviews

511.7 Design Criteria

511.8 Construction Drawings and Specifications

Subpart B – Documentation

511.10 Scope

511.11 Design Folders

Subpart C – Instrumentation

511.20 General

511.21 Scope

511.22 Need for Reliable Instruments

511.23 Use of Instrumentation

511.24 Instrumentation Plans

511.25 Instrumentation Monitoring and Reporting

Part 512 – Construction

Subpart A – General Information

512.0 Introduction

512.1 Scope

512.2 Definitions

512.3 Value Engineering

Subpart B – Preconstruction Activities

512.10 Selection of the Contractor

512.11 Prebid or Proposal Meeting (Site Showing)

512.12 Evaluation of Bidders

512.13 Preconstruction Conference

512.14 Partnering

Subpart C – Evaluation of Construction Materials

512.20 General

512.21 Evaluation Procedures

512.22 Waivers of Material Certifications

512.23 Prequalification of Materials

Subpart D – Quality Assurance Activities

512.30 General

512.31 Definitions

512.32 QA Procedures

512.33 Inspection of Materials

Subpart E – Equipment, Records, and Coordination

512.40 Engineering Equipment

512.41 Records

512.42 Coordination Between Disciplines

Subpart F – As-Builts

512.50 General

512.51 Scope

512.52 Documentation

512.53 Disposition

512.60 General

512.61 Personal Protective Equipment (PPE)

512.62 Training

Subpart G - Safety

Subpart H - Exhibits

512.70 Exhibit A – OSHA 3071 Job Hazard Analysis

512.71 Exhibit B – NRCS Job Hazard Analysis Form

Part 520 – Soil and Water Resource Development

Subpart A – Erosion and Sediment Control

520.0 General

520.1 Minimizing Erosion and Sediment During Construction

Subpart B – Floodplain Management

520.10 General

520.11 Scope

520.12 Description

520.13 Types of Measures

520.14 Risk to Life and Property

Subpart C – Dams

520.20 General

520.21 Definition and Classes

520.22 Design Criteria

520.23 Classification

520.24 Special Considerations

520.25 Clearing Reservoirs

520.26 External Reviews for Dam Safety

520.27 Emergency Action Plans – High Hazard Potential Dams

520.28 Potential Impact Area – Low Hazard Potential Dams of Inventory Size and All Significant Hazard Potential Dams

Part 521 – Reserved

Part 522 – Snow Survey and Water Supply Forecasting

522.0 Reservoir Operations Guides

522.1 Authority and Request for Assistance

522.2 Responsibility

522.3 NRCS Technical Review

522.4 Reservoir Operations Guide Review

Part 523 – Irrigation

523.0 General

523.1 Scope

Part 524 – Drainage

524.0 General

524.1 Scope

Part 529 – Reserved

Part 530 – Hydrology

Subpart A – Hydrologic Investigations

530.0 General

530.1 Available Hydrometeorological Information

530.2 Hydrometeorological Instrumentation

530.3 Hydrologic Reports

Subpart B – Hydrologic Procedures and Criteria

530.10 General

530.11 Hydrologic Procedures

530.12 Hydrologic Criteria

Part 531 – Geology

531.0 Purpose

531.1 Definitions

531.2 Responsibilities

531.3 Levels of Geologic Investigations

531.4 Requirements for All Geologic Investigations

531.5 Classification and Logging of Soil and Rock

531.6 Requirements for Group A Structures Designed With Vegetated and Earth Auxiliary Spillways

531.7 Geologic Reports

531.8 Geologic Information Provided to Potential Construction Contractors

Part 532 – Reserved

Part 533 – Geotechnical Engineering

Subpart A – General

533.0 General

533.1 Responsibilities

Subpart B – Engineering Classification of Soils

533.10 Scope

533.11 Soil Classification Systems

Subpart C – Operations

533.20 General

533.21 Data Collection

533.22 Testing

533.23 Geotechnical Engineering Analyses

Part 535 – Landscape Architecture

535.0 General

535.1 Scope

535.2 Definitions

535.3 NRCS Technical Assistance for Landscape Architecture

Part 536 – Structural Engineering

536.0 General

536.1 – 536.9 Reserved

536.10 Method

536.11 Function

536.12 Loads

536.13 – 536.19 Reserved

536.20 Design Criteria for Reinforced Concrete Structures

536.21 Design Criteria for Reinforced Concrete Hydraulic and Environmental Structures

536.22 Design Criteria for Reinforced Concrete Slabs – On-Ground

536.23 Existing Designs for Reinforced Concrete Structures

536.24 – 536.29 Reserved

536.30 Design Criteria for Steel Structures

536.31 – 536.39 Reserved

536.40 Design Criteria for Wood Structures

536.41 – 536.49 Reserved

536.50 Design Criteria for Masonry Structures

536.51 – 536.59 Reserved

536.60 Design Criteria for Bridges

536.61 – 536.69 Reserved

536.70 Standard Designs

536.71 Use of Standard Designs

536.72 Standard Design Drawings

536.73 Adaptation of Standard Design Drawings

536.74 Revision of Standard Design Drawings

536.75 Availability of Standard Design Drawings to the Public

536.76 National Standard Detail Drawings

536.77 State Standard Detail Drawings

536.78 Standard Detail Drawings Prepared by Non-NRCS Engineers

Part 537 – Reserved

Part 540 – Field Surveys

540.0 General

540.1 Responsibility

540.2 Format

540.3 LiDAR Data

540.4 Precision and Accuracy

540.5 Staking

540.6 Contractor Surveys

540.7 Checking

Part 541 – Drafting and Drawings

541.0 General

541.1 Media

541.2 Sheet Size

541.3 Title Blocks

541.4 Cover Sheet

541.5 Orientation

541.6 Style and Content

541.7 Standard Title Block for ANSI A (8.5x11) Sheet

541.8 Standard Title Block for ANSI B (11x17) and ANSI D (22x34) Sheets

541.9 Standard ANSI A (8.5x11) Sheets

541.10 Standard ANSI D (22x34) and ANSI B (11x17) Sheets

Part 542 – Specifications

Subpart A – Construction Specifications

542.0 General

542.1 Scope

542.2 Preparation of Standard Specifications

542.3 Reference Specifications

Subpart B – Engineering Services Specifications

542.10 General

542.11 Technical Services

Subpart C – Exhibits

542.20 List of Reference Specifications

Part 543 – Materials

543.0 General

543.1 Scope

543.2 Use of New Materials

543.3 New Material Specification Preparation

Part 544 – Equipment

544.0 General

544.1 Radiation Use Permits

544.2 Transporting Equipment

544.3 Adjustment and Calibration

544.4 Maintenance

544.5 Storage

544.6 State Procedures