Guidelines on Preparation and Implementation of Environment Management Plan

IRC SP 108-2015: Introduction - Key Points

• Scope: Provides environmental management guidelines for water resources projects.
• Objective: Minimize environmental impact during project planning, construction, and operation.
• Clause 4.2: Refers to specific tables detailing environmental parameters and monitoring requirements.
• Guidelines Covered:
  • Environmental Impact Objectives
  • Environmental Management Plans
  • Technology Selection Criteria
  • Monitoring Programs
  • Responsibilities and Accountability

Important Tables & Annexes to Refer:

Summary Diagram of Environmental Management Framework

flowchart TD
    A[Project Planning] --> B[Environmental Impact Assessment]
    B --> C[Environmental Management Plan]
    C --> D[Technology Selection]
    D --> E[Implementation & Monitoring]
    E --> F[Mitigation & Reporting]

Note: For detailed formulas or tables, refer to Clause 4.2 and respective annexes in IRC SP 108-2015.

Scope of IRC:SP:108-2015 (Environmental Management in Highway Projects)

Key Points:

• Applies to environmental management during highway construction and operation.
• Covers air, water, noise, and land pollution control.
• Addresses environmental impact assessment and monitoring.
• Includes guidelines for protected areas, debris disposal, quarry management, sediment control, and rehabilitation.
• Emphasizes environmental monitoring with specified parameters and threshold limits.

Important Specifications from the Scope:

Monitoring Methods:

• SO2: Improved West & Gaeke, Ultraviolet fluorescence
• NO2: Modified Jacob and Hochheiser (Na-Arsenite), Chemiluminescence
• PM10 & PM2.5: Gravimetric, TOEM, Beta attenuation
• O3: UV photometric, Chemiluminescence

Additional Notes:

• Special design considerations for sensitive areas (e.g., elephant corridors require ≥6.5 m vertical clearance).
• Environmental Management Action Plans and checklists are integral.
• Guidelines for debris disposal, quarry rehabilitation, sediment control, and construction camp siting are included in annexures.

flowchart TD
    A[Highway Project] --> B[Environmental Impact Assessment]
    B --> C[Environmental Management Plan]
    C --> D[Monitoring: Air, Water, Noise]
    C --> E[

IRC SP 108-2015: General Specifications & Key References

The General section (Clause 3, Page 2) in IRC SP 108-2015 primarily sets the foundation for environmental management in road construction projects. While it lacks explicit formulas, it emphasizes:

• Scope & Objectives: Defines environmental impact considerations.
• Principles: Framework for Environmental Management Plan (EMP).
• Responsibilities: Accountability of personnel involved.

Key Tables & Annexes for General Guidance:

Important Notes:

• No direct structural formulas are given under "General" but environmental and construction best practices are detailed.
• For environmental impact assessment and mitigation, refer to the Appendices and Annexes mentioned.
• Water resources and sediment control are critical, detailed in Annex-5.

Summary Diagram: Environmental Management Framework

flowchart TD
    A[General Specifications] --> B[Environmental Impact Assessment]
    B --> C[Environmental Management Plan (EMP)]
    C --> D[Implementation & Monitoring]
    D --> E[Mitigation Measures]
    E --> F[Site Rehabilitation & Maintenance]

For structural or design formulas, refer to specific IRC codes related to materials or design, as IRC SP 108 focuses on environmental and procedural guidelines.

IRC SP 108 - Object of Environment Impact: Key Specifications

The code outlines environmental impact objects for highway projects, referencing relevant standards:

Summary Diagram of Environmental Impact Objects

graph TD
  A[Environment Impact Objects] --> B[General Environment]
  A --> C[Land]
  C --> C1[Construction]
  C -->

The IRC SP 108 does not provide explicit clauses or formulas for the Principles of Environmental Management Plan (EMP). However, based on standard engineering and environmental management practices, key points include:

Principles of Environmental Management Plan (EMP)

• Identification of Environmental Aspects: Recognize construction impacts (air, water, noise, soil).
• Mitigation Measures: Define actions to minimize adverse effects (dust control, waste management).
• Legal Compliance: Adhere to environmental laws and standards.
• Monitoring & Reporting: Regularly check environmental parameters and document findings.
• Stakeholder Engagement: Involve local communities and authorities.
• Resource Efficiency: Optimize use of materials, water, and energy.

Typical EMP Components (Guidelines)

Implementation Steps

1. Baseline environmental assessment.
2. Define mitigation strategies.
3. Assign responsibilities.
4. Set monitoring protocols.
5. Conduct training and awareness.

flowchart TD
    A[Baseline Assessment] --> B[Mitigation Measures]
    B --> C[Implementation]
    C --> D[Monitoring & Reporting]
    D --> E[Review & Improvement]

For detailed EMP, refer to MoEF guidelines or ISO 14001 standards.

IRC SP 108 - Choice of Technology: Key Points & Specifications

1. Technology Selection Approaches

• Option (a): Project Authority fixes technology; bidders bid accordingly.
• Option (b): Bidders propose technology; least polluting & best environment management scores highest.
• Option (b) promotes competition and innovation.

2. Criteria for Technology Choice (Clause 6.1)

• Objective evaluation of alternative technologies.
• Availability of design standards and procedures.
• Availability of equipment/vendors.

3. Key Technologies & Guidelines

4. Evaluation Criteria for Technologies

• Environmental impact (pollution, resource use).
• Performance & durability.
• Cost-effectiveness.
• Availability & adaptability.
• Compliance with IRC standards.

Summary Diagram: Technology Choice Process

flowchart TD
    A[Feasibility Study / EIA Stage] --> B[Evaluate Alternative Technologies]
    B --> C{Choose Approach}
    C -->|Option (a)| D[Freeze Technology; Bid accordingly]
    C -->|Option (b)| E[Bidders propose tech; Score on environment & performance]
    D & E --> F[Select Best Bid / Technology]
    F --> G[Implement & Monitor]

References:

• IRC:37-2012 (Pavement Design)
• IRC Concrete Code 2012
• IRC Guidelines on Fly Ash, Warm Mix

Criteria for Evaluation of Relative Merits of Alternative Technologies (IRC SP 108)

IRC SP 108 recommends two primary environmental criteria for evaluating alternative road construction technologies:

1. GHG Emission Potential

   • Evaluate the greenhouse gas emissions associated with each technology, assuming all meet functional and performance requirements.

2. Environmental Friendliness

   • Compare the technologies assuming similar GHG emission levels, focusing on other environmental impacts (resource use, pollution, waste).

Key Considerations for Technology Choice (Clause 6.1)

• Objective criteria evaluation (performance, durability, environmental impact)
• Availability of design standards and procedures
• Availability of equipment and vendors

Examples of Environment-Friendly Technologies

Summary Diagram

flowchart TD
    A[Alternative Technologies] --> B[Evaluate GHG Emission Potential]
    A --> C[Evaluate Environmental Friendliness]
    B --> D[Functional Merit Confirmed]
    C --> D
    D --> E[Select Technology Based on Objective Criteria]
    E --> F[Check Design Standards & Vendor Availability]
    F --> G[Final Technology Choice]

In brief: Use GHG emissions and environmental friendliness as key criteria, supported by IRC standards and guidelines for sustainable materials and processes, to select the optimal road construction technology.

Environmental Monitoring Programme (IRC:SP:108-2015)

Key Pollutants & Limits (Ambient Air Concentration)

* Annual mean from minimum 104 measurements (twice weekly, 24-hour samples)

** 24/8 hourly values must be met 98% of the time; max exceedance 2%, not on consecutive days

Noise Quality Standards (dB(A) Leq)

IRC SP 108-2015: Responsibilities and Accountabilities (Clause 4.2)

This clause emphasizes environmental management responsibilities during highway projects. Key points include:

Responsibilities Overview (Table 9, Clause 4.2)

Additional Notes:

• Soil erosion control via pitching, turfing, vegetating slopes and shoulders.
• Orientation sessions for implementing agencies and contractors to ensure environmental compliance.

Summary Diagram of Responsibilities

flowchart TD
    A[Project Authorities] --> B[Environmental Cell Staff]
    B --> C[Field Implementation Staff]
    C --> D[Contractor]
    D --> E[Labour Camp Management]
    E --> F[Mitigation Measures]
    F --> G[Monitoring & Compliance]
    G --> H[Reporting & Feedback]

Key takeaway: The clause mandates clear roles for environmental protection, ensuring health, access, cultural preservation, and pollution control throughout the project lifecycle.

IRC SP 108 - Clause 4.2: Check List Key Points

Clause 4.2 refers to a table and guidelines for structural checks. While the exact table isn't provided here, typical checklists in IRC SP 108 cover:

Key Checks in Clause 4.2 (General Guidelines)

• Load Calculations: Verify dead, live, impact, and wind loads as per IRC standards.
• Material Specifications: Confirm concrete grade, steel grade, and reinforcement details.
• Section Properties: Check dimensions, moment of inertia, and section modulus.
• Stress Checks: Ensure stresses under service and ultimate loads are within permissible limits.
• Deflection Limits: Verify deflections comply with IRC limits.
• Reinforcement Detailing: Confirm spacing, cover, and anchorage lengths.
• Safety Factors: Use factors as per IRC for load and material strengths.

Typical Table Format (Example)

If you need the exact table or detailed formulas, please refer directly to IRC SP 108 Clause 4.2 or provide the table content for precise assistance.

IRC SP 108: Environment Management Action Plan (EMAP)

The EMAP in IRC SP 108 focuses on minimizing environmental impact during highway projects. Although no direct formulas exist, key elements include:

Principles of EMAP

• Avoidance of sensitive areas (forests, water bodies)
• Mitigation of construction impacts (dust, noise, waste)
• Restoration of disturbed areas post-construction
• Monitoring environmental parameters regularly

Key Components of EMAP

Guidelines for Implementation

• Baseline environmental assessment before project start
• Regular monitoring and reporting
• Stakeholder consultation and training
• Use of eco-friendly materials and technologies

flowchart TD
  A[Baseline Assessment] --> B[Planning EMAP]
  B --> C[Implementation]
  C --> D[Monitoring & Reporting]
  D --> E[Restoration & Closure]

Summary: EMAP is a structured plan emphasizing avoidance, mitigation, restoration, and monitoring to ensure sustainable highway development per IRC SP 108 Appendix-IA.

IRC SP 108: Guidelines for Construction Camps and Worker Facilities

Key Specifications & Guidelines

• Living Accommodation
  Temporary living quarters must meet standards approved by the Supervising Consultant (SC).

• Potable Water Supply

  • Must comply with IS 10500:1991 (Drinking Water Standards).
  • Water storage tanks must be ≥ 15 m away from latrines or pollution sources.
  • Wells near latrines must be disinfected, covered with dust-proof, waterproof trap doors, locked, and inspected monthly.

• Sanitation & Sewage

  • Use dry-earth latrines, cleaned ≥4 times daily (at least twice during working hours).
  • Receptacles tarred inside and outside annually.
  • Sewage systems maintained as per Annexure II guidelines.

• Health & Safety

  • Provide adequate health care facilities.
  • Electrical equipment must comply with relevant IS codes, be fenced and lighted for public safety.
  • Machines regularly inspected and maintained.

• Site Clearance Post-Project

  • Remove temporary structures, burn rubbish, fill and seal pits, leave site clean.

Summary Table: Water & Sanitation Requirements

Process Flow for Camp Setup & Maintenance

flowchart TD
    A[Site Selection] --> B[Approval by SC]
    B --> C[Set up Living Accommodation]
    C --> D[Install Potable Water Supply]
    D --> E[Construct Sanitation Facilities]
    E --> F[Health & Safety Checks]
    F --> G[Regular Inspection & Maintenance]
    G --> H[Post-Project Site Clearance]

References:

• IS 10500:1991 (Drinking Water Standards)
• Annexure II (Sanitation & Sewage Guidelines)
• IRC SP 108:2015 Clauses 7.4, 4.2, Annexures

The IRC SP 108 does not provide explicit clauses or formulas for Identification of Debris Disposal Sites but offers related guidelines in annexures and general recommendations:

Key Points for Debris Disposal Site Identification

• Location Criteria:

  • Away from water bodies to prevent contamination.
  • On stable ground with minimal slope to avoid erosion.
  • Accessible by construction vehicles.

• Environmental Considerations:

  • Avoid ecologically sensitive areas (refer Annex-7: Mitigation of Impacts on Protected Areas).
  • Ensure sediment control measures (see Annex-5).

• Rehabilitation Guidelines:

  • Post-use, dump sites should be contoured and covered with soil.
  • Re-vegetation to prevent erosion and restore ecology.

Sediment Control (Annex-5) Summary:

Recommended Steps for Borrow Areas (Annex-8):

• Site away from water sources.
• Controlled excavation to minimize environmental impact.
• Progressive rehabilitation during and after use.

flowchart TD
    A[Identify Potential Site] --> B{Check Location Criteria}
    B -->|Suitable| C[Assess Environmental Impact]
    B -->|Unsuitable| D[Reject Site]
    C --> E{Implement Sediment Control Measures}
    E --> F[Plan for Rehabilitation]
    F --> G[Approve Site for Use]

For detailed tables and specifications, refer to Annex-5 to Annex-8 of IRC SP 108.

Key Guidelines for Rehabilitation of Dumpsites, Quarries, and Borrow Areas (IRC SP 108)

1. Topsoil Management

• Topsoil depth: Retain and stockpile topsoil up to 0.15 m depth.
• Stockpile area: At least 10% of the acquired land should be reserved for topsoil stockpiling.
• Stockpile slope: Max slope 1:2 (V:H) to minimize erosion.
• Stockpile height: Max height 2 m.
• Protection: Cover stockpiles with gunny bags/tarpaulin; protect edges with silt fencing.
• Usage: Return stockpiled topsoil to disturbed areas, slopes, landscaping, and medians.

2. Borrow Area & Quarry Rehabilitation

• Borrow pits should be shaped for social/community reuse (e.g., water tanks, fish ponds).
• Quarrying must follow regular slope, size, and depth to avoid scarred landscapes.
• Obtain necessary permits from mining authorities.
• Comply with State Pollution Control Board norms.

3. Soil Erosion Control

• Stabilize slopes by turfing and planting bush grass.
• Avoid unnecessary trafficking on topsoil.
• Control erosion on exposed surfaces within ROW (Right of Way).

4. Sediment Control

Refer to Annex-5 for detailed sediment control measures.

Summary Table: Topsoil Stockpiling

flowchart LR
    A[Excavation & Borrow Area] --> B[Topsoil Stripping (0.15 m)]
    B --> C[Stockpiling (Slope 1:2, Height ≤ 2m)]
    C --> D[Protection (Silt Fencing, Covering)]
    D --> E[Rehabilitation (Return topsoil for landscaping, slopes, medians)]
    A --> F[Quarrying with regular slope & size]
    F --> G[Permit & Compliance]
    E --> H[Community Use

IRC SP 108: Guidelines for New Quarry Management

While IRC SP 108 does not provide explicit formulas, it offers critical environmental management specifications:

Key Environmental Parameters & Mitigation (Summary from Table 9, Clause 4.2):

Additional Guidelines:

• Quarry lease terms require restoration to original or better land condition post-operation.
• Construction camps must be sited to prevent odour nuisance.
• Continuous monitoring of air quality is essential.

Conceptual Flow for Quarry Management:

flowchart TD
    A[Site Selection] --> B[Environmental Impact Assessment]
    B --> C[Implement Mitigation Measures]
    C --> D[Operation & Monitoring]
    D --> E[Rehabilitation & Restoration]
    E --> F[Lease Closure]

Note: For detailed environmental limits, refer to CPCB or MoEF air quality standards.